diff --git a/autoloader.php b/autoloader.php
index 35c177b..a2327f2 100755
--- a/autoloader.php
+++ b/autoloader.php
@@ -53,17 +53,31 @@
*
*/
function autoloader($className){
- $path = '';
+ /* [1] Basic processing
+ =========================================================*/
+ /* (1) Explode classname by namespaces */
+ $path = explode('\\', $className);
- /* [1] On utilise le namespace pour localiser
- ===============================================*/
- // On remplace les '\' par des '/'
- $path = str_replace('\\', '/', $className) . '.php';
- $path = __BUILD__.'/'.$path;
+ /* (2) Check if at least a filename */
+ if( count($path) < 1 )
+ throw new \Exception('Missing classname for autoloader.');
- // Si le fichier existe
- if( file_exists($path) )
- require_once $path; // on inclue le fichier
+ /* (3) Detect if build class or lib class */
+ $type = $path[0] === 'lib' ? 'lib' : 'build';
+
+
+ /* [2] Manage type and check file
+ =========================================================*/
+ /* (1) Build path according to type */
+ if( $type === 'lib' )
+ $file = __ROOT__.'/'.implode('/', $path).'.php';
+ else
+ $file = __BUILD__.'/'.implode('/', $path).'.php';
+
+
+ /* (2) Check file */
+ if( file_exists($file) )
+ require_once $file;
}
@@ -75,6 +89,7 @@
/* On demarre la session securisee PHP
=========================================================*/
- \manager\sessionManager::session_start();
+ session_start();
+ // \manager\sessionManager::session_start();
?>
diff --git a/lib/Twig/BaseNodeVisitor.php b/lib/Twig/BaseNodeVisitor.php
new file mode 100644
index 0000000..bb83de4
--- /dev/null
+++ b/lib/Twig/BaseNodeVisitor.php
@@ -0,0 +1,42 @@
+
+ */
+abstract class Twig_BaseNodeVisitor implements Twig_NodeVisitorInterface
+{
+ final public function enterNode(Twig_Node $node, Twig_Environment $env)
+ {
+ return $this->doEnterNode($node, $env);
+ }
+
+ final public function leaveNode(Twig_Node $node, Twig_Environment $env)
+ {
+ return $this->doLeaveNode($node, $env);
+ }
+
+ /**
+ * Called before child nodes are visited.
+ *
+ * @return Twig_Node The modified node
+ */
+ abstract protected function doEnterNode(Twig_Node $node, Twig_Environment $env);
+
+ /**
+ * Called after child nodes are visited.
+ *
+ * @return Twig_Node|false The modified node or false if the node must be removed
+ */
+ abstract protected function doLeaveNode(Twig_Node $node, Twig_Environment $env);
+}
diff --git a/lib/Twig/Cache/Filesystem.php b/lib/Twig/Cache/Filesystem.php
new file mode 100644
index 0000000..2e36c97
--- /dev/null
+++ b/lib/Twig/Cache/Filesystem.php
@@ -0,0 +1,86 @@
+
+ */
+class Twig_Cache_Filesystem implements Twig_CacheInterface
+{
+ const FORCE_BYTECODE_INVALIDATION = 1;
+
+ private $directory;
+ private $options;
+
+ /**
+ * @param $directory string The root cache directory
+ * @param $options int A set of options
+ */
+ public function __construct($directory, $options = 0)
+ {
+ $this->directory = rtrim($directory, '\/').'/';
+ $this->options = $options;
+ }
+
+ public function generateKey($name, $className)
+ {
+ $hash = hash('sha256', $className);
+
+ return $this->directory.$hash[0].$hash[1].'/'.$hash.'.php';
+ }
+
+ public function load($key)
+ {
+ if (file_exists($key)) {
+ @include_once $key;
+ }
+ }
+
+ public function write($key, $content)
+ {
+ $dir = dirname($key);
+ if (!is_dir($dir)) {
+ if (false === @mkdir($dir, 0777, true) && !is_dir($dir)) {
+ throw new RuntimeException(sprintf('Unable to create the cache directory (%s).', $dir));
+ }
+ } elseif (!is_writable($dir)) {
+ throw new RuntimeException(sprintf('Unable to write in the cache directory (%s).', $dir));
+ }
+
+ $tmpFile = tempnam($dir, basename($key));
+ if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $key)) {
+ @chmod($key, 0666 & ~umask());
+
+ if (self::FORCE_BYTECODE_INVALIDATION == ($this->options & self::FORCE_BYTECODE_INVALIDATION)) {
+ // Compile cached file into bytecode cache
+ if (function_exists('opcache_invalidate')) {
+ opcache_invalidate($key, true);
+ } elseif (function_exists('apc_compile_file')) {
+ apc_compile_file($key);
+ }
+ }
+
+ return;
+ }
+
+ throw new RuntimeException(sprintf('Failed to write cache file "%s".', $key));
+ }
+
+ public function getTimestamp($key)
+ {
+ if (!file_exists($key)) {
+ return 0;
+ }
+
+ return (int) @filemtime($key);
+ }
+}
diff --git a/lib/Twig/Cache/Null.php b/lib/Twig/Cache/Null.php
new file mode 100644
index 0000000..9e47891
--- /dev/null
+++ b/lib/Twig/Cache/Null.php
@@ -0,0 +1,36 @@
+
+ */
+final class Twig_Cache_Null implements Twig_CacheInterface
+{
+ public function generateKey($name, $className)
+ {
+ return '';
+ }
+
+ public function write($key, $content)
+ {
+ }
+
+ public function load($key)
+ {
+ }
+
+ public function getTimestamp($key)
+ {
+ return 0;
+ }
+}
diff --git a/lib/Twig/CacheInterface.php b/lib/Twig/CacheInterface.php
new file mode 100644
index 0000000..9b17e0f
--- /dev/null
+++ b/lib/Twig/CacheInterface.php
@@ -0,0 +1,56 @@
+
+ */
+interface Twig_CacheInterface
+{
+ /**
+ * Generates a cache key for the given template class name.
+ *
+ * @param string $name The template name
+ * @param string $className The template class name
+ *
+ * @return string
+ */
+ public function generateKey($name, $className);
+
+ /**
+ * Writes the compiled template to cache.
+ *
+ * @param string $key The cache key
+ * @param string $content The template representation as a PHP class
+ */
+ public function write($key, $content);
+
+ /**
+ * Loads a template from the cache.
+ *
+ * @param string $key The cache key
+ */
+ public function load($key);
+
+ /**
+ * Returns the modification timestamp of a key.
+ *
+ * @param string $key The cache key
+ *
+ * @return int
+ */
+ public function getTimestamp($key);
+}
diff --git a/lib/Twig/Compiler.php b/lib/Twig/Compiler.php
new file mode 100644
index 0000000..e42e0f9
--- /dev/null
+++ b/lib/Twig/Compiler.php
@@ -0,0 +1,238 @@
+
+ */
+class Twig_Compiler
+{
+ private $lastLine;
+ private $source;
+ private $indentation;
+ private $env;
+ private $debugInfo = array();
+ private $sourceOffset;
+ private $sourceLine;
+
+ public function __construct(Twig_Environment $env)
+ {
+ $this->env = $env;
+ }
+
+ /**
+ * Returns the environment instance related to this compiler.
+ *
+ * @return Twig_Environment
+ */
+ public function getEnvironment()
+ {
+ return $this->env;
+ }
+
+ /**
+ * Gets the current PHP code after compilation.
+ *
+ * @return string The PHP code
+ */
+ public function getSource()
+ {
+ return $this->source;
+ }
+
+ /**
+ * Compiles a node.
+ *
+ * @param Twig_Node $node The node to compile
+ * @param int $indentation The current indentation
+ *
+ * @return $this
+ */
+ public function compile(Twig_Node $node, $indentation = 0)
+ {
+ $this->lastLine = null;
+ $this->source = '';
+ $this->debugInfo = array();
+ $this->sourceOffset = 0;
+ // source code starts at 1 (as we then increment it when we encounter new lines)
+ $this->sourceLine = 1;
+ $this->indentation = $indentation;
+
+ $node->compile($this);
+
+ return $this;
+ }
+
+ public function subcompile(Twig_Node $node, $raw = true)
+ {
+ if (false === $raw) {
+ $this->source .= str_repeat(' ', $this->indentation * 4);
+ }
+
+ $node->compile($this);
+
+ return $this;
+ }
+
+ /**
+ * Adds a raw string to the compiled code.
+ *
+ * @param string $string The string
+ *
+ * @return $this
+ */
+ public function raw($string)
+ {
+ $this->source .= $string;
+
+ return $this;
+ }
+
+ /**
+ * Writes a string to the compiled code by adding indentation.
+ *
+ * @return $this
+ */
+ public function write(...$strings)
+ {
+ foreach ($strings as $string) {
+ $this->source .= str_repeat(' ', $this->indentation * 4).$string;
+ }
+
+ return $this;
+ }
+
+ /**
+ * Adds a quoted string to the compiled code.
+ *
+ * @param string $value The string
+ *
+ * @return $this
+ */
+ public function string($value)
+ {
+ $this->source .= sprintf('"%s"', addcslashes($value, "\0\t\"\$\\"));
+
+ return $this;
+ }
+
+ /**
+ * Returns a PHP representation of a given value.
+ *
+ * @param mixed $value The value to convert
+ *
+ * @return $this
+ */
+ public function repr($value)
+ {
+ if (is_int($value) || is_float($value)) {
+ if (false !== $locale = setlocale(LC_NUMERIC, 0)) {
+ setlocale(LC_NUMERIC, 'C');
+ }
+
+ $this->raw($value);
+
+ if (false !== $locale) {
+ setlocale(LC_NUMERIC, $locale);
+ }
+ } elseif (null === $value) {
+ $this->raw('null');
+ } elseif (is_bool($value)) {
+ $this->raw($value ? 'true' : 'false');
+ } elseif (is_array($value)) {
+ $this->raw('array(');
+ $first = true;
+ foreach ($value as $key => $v) {
+ if (!$first) {
+ $this->raw(', ');
+ }
+ $first = false;
+ $this->repr($key);
+ $this->raw(' => ');
+ $this->repr($v);
+ }
+ $this->raw(')');
+ } else {
+ $this->string($value);
+ }
+
+ return $this;
+ }
+
+ /**
+ * Adds debugging information.
+ *
+ * @return $this
+ */
+ public function addDebugInfo(Twig_Node $node)
+ {
+ if ($node->getTemplateLine() != $this->lastLine) {
+ $this->write(sprintf("// line %d\n", $node->getTemplateLine()));
+
+ $this->sourceLine += substr_count($this->source, "\n", $this->sourceOffset);
+ $this->sourceOffset = strlen($this->source);
+ $this->debugInfo[$this->sourceLine] = $node->getTemplateLine();
+
+ $this->lastLine = $node->getTemplateLine();
+ }
+
+ return $this;
+ }
+
+ public function getDebugInfo()
+ {
+ ksort($this->debugInfo);
+
+ return $this->debugInfo;
+ }
+
+ /**
+ * Indents the generated code.
+ *
+ * @param int $step The number of indentation to add
+ *
+ * @return $this
+ */
+ public function indent($step = 1)
+ {
+ $this->indentation += $step;
+
+ return $this;
+ }
+
+ /**
+ * Outdents the generated code.
+ *
+ * @param int $step The number of indentation to remove
+ *
+ * @return $this
+ *
+ * @throws LogicException When trying to outdent too much so the indentation would become negative
+ */
+ public function outdent($step = 1)
+ {
+ // can't outdent by more steps than the current indentation level
+ if ($this->indentation < $step) {
+ throw new LogicException('Unable to call outdent() as the indentation would become negative.');
+ }
+
+ $this->indentation -= $step;
+
+ return $this;
+ }
+
+ public function getVarName()
+ {
+ return sprintf('__internal_%s', hash('sha256', uniqid(mt_rand(), true), false));
+ }
+}
diff --git a/lib/Twig/Environment.php b/lib/Twig/Environment.php
new file mode 100644
index 0000000..a021055
--- /dev/null
+++ b/lib/Twig/Environment.php
@@ -0,0 +1,937 @@
+
+ */
+class Twig_Environment
+{
+ const VERSION = '2.0.1-DEV';
+ const VERSION_ID = 20001;
+ const MAJOR_VERSION = 2;
+ const MINOR_VERSION = 0;
+ const RELEASE_VERSION = 1;
+ const EXTRA_VERSION = 'DEV';
+
+ private $charset;
+ private $loader;
+ private $debug;
+ private $autoReload;
+ private $cache;
+ private $lexer;
+ private $parser;
+ private $compiler;
+ private $baseTemplateClass;
+ private $globals = array();
+ private $resolvedGlobals;
+ private $loadedTemplates;
+ private $strictVariables;
+ private $templateClassPrefix = '__TwigTemplate_';
+ private $originalCache;
+ private $extensionSet;
+ private $runtimeLoaders = array();
+ private $runtimes = array();
+ private $optionsHash;
+
+ /**
+ * Constructor.
+ *
+ * Available options:
+ *
+ * * debug: When set to true, it automatically set "auto_reload" to true as
+ * well (default to false).
+ *
+ * * charset: The charset used by the templates (default to UTF-8).
+ *
+ * * base_template_class: The base template class to use for generated
+ * templates (default to Twig_Template).
+ *
+ * * cache: An absolute path where to store the compiled templates,
+ * a Twig_Cache_Interface implementation,
+ * or false to disable compilation cache (default).
+ *
+ * * auto_reload: Whether to reload the template if the original source changed.
+ * If you don't provide the auto_reload option, it will be
+ * determined automatically based on the debug value.
+ *
+ * * strict_variables: Whether to ignore invalid variables in templates
+ * (default to false).
+ *
+ * * autoescape: Whether to enable auto-escaping (default to html):
+ * * false: disable auto-escaping
+ * * html, js: set the autoescaping to one of the supported strategies
+ * * name: set the autoescaping strategy based on the template name extension
+ * * PHP callback: a PHP callback that returns an escaping strategy based on the template "name"
+ *
+ * * optimizations: A flag that indicates which optimizations to apply
+ * (default to -1 which means that all optimizations are enabled;
+ * set it to 0 to disable).
+ *
+ * @param Twig_LoaderInterface $loader
+ * @param array $options An array of options
+ */
+ public function __construct(Twig_LoaderInterface $loader, $options = array())
+ {
+ $this->setLoader($loader);
+
+ $options = array_merge(array(
+ 'debug' => false,
+ 'charset' => 'UTF-8',
+ 'base_template_class' => 'Twig_Template',
+ 'strict_variables' => false,
+ 'autoescape' => 'html',
+ 'cache' => false,
+ 'auto_reload' => null,
+ 'optimizations' => -1,
+ ), $options);
+
+ $this->debug = (bool) $options['debug'];
+ $this->setCharset($options['charset']);
+ $this->baseTemplateClass = $options['base_template_class'];
+ $this->autoReload = null === $options['auto_reload'] ? $this->debug : (bool) $options['auto_reload'];
+ $this->strictVariables = (bool) $options['strict_variables'];
+ $this->setCache($options['cache']);
+ $this->extensionSet = new Twig_ExtensionSet();
+
+ $this->addExtension(new Twig_Extension_Core());
+ $this->addExtension(new Twig_Extension_Escaper($options['autoescape']));
+ $this->addExtension(new Twig_Extension_Optimizer($options['optimizations']));
+ }
+
+ /**
+ * Gets the base template class for compiled templates.
+ *
+ * @return string The base template class name
+ */
+ public function getBaseTemplateClass()
+ {
+ return $this->baseTemplateClass;
+ }
+
+ /**
+ * Sets the base template class for compiled templates.
+ *
+ * @param string $class The base template class name
+ */
+ public function setBaseTemplateClass($class)
+ {
+ $this->baseTemplateClass = $class;
+ $this->updateOptionsHash();
+ }
+
+ /**
+ * Enables debugging mode.
+ */
+ public function enableDebug()
+ {
+ $this->debug = true;
+ $this->updateOptionsHash();
+ }
+
+ /**
+ * Disables debugging mode.
+ */
+ public function disableDebug()
+ {
+ $this->debug = false;
+ $this->updateOptionsHash();
+ }
+
+ /**
+ * Checks if debug mode is enabled.
+ *
+ * @return bool true if debug mode is enabled, false otherwise
+ */
+ public function isDebug()
+ {
+ return $this->debug;
+ }
+
+ /**
+ * Enables the auto_reload option.
+ */
+ public function enableAutoReload()
+ {
+ $this->autoReload = true;
+ }
+
+ /**
+ * Disables the auto_reload option.
+ */
+ public function disableAutoReload()
+ {
+ $this->autoReload = false;
+ }
+
+ /**
+ * Checks if the auto_reload option is enabled.
+ *
+ * @return bool true if auto_reload is enabled, false otherwise
+ */
+ public function isAutoReload()
+ {
+ return $this->autoReload;
+ }
+
+ /**
+ * Enables the strict_variables option.
+ */
+ public function enableStrictVariables()
+ {
+ $this->strictVariables = true;
+ $this->updateOptionsHash();
+ }
+
+ /**
+ * Disables the strict_variables option.
+ */
+ public function disableStrictVariables()
+ {
+ $this->strictVariables = false;
+ $this->updateOptionsHash();
+ }
+
+ /**
+ * Checks if the strict_variables option is enabled.
+ *
+ * @return bool true if strict_variables is enabled, false otherwise
+ */
+ public function isStrictVariables()
+ {
+ return $this->strictVariables;
+ }
+
+ /**
+ * Gets the current cache implementation.
+ *
+ * @param bool $original Whether to return the original cache option or the real cache instance
+ *
+ * @return Twig_CacheInterface|string|false A Twig_CacheInterface implementation,
+ * an absolute path to the compiled templates,
+ * or false to disable cache
+ */
+ public function getCache($original = true)
+ {
+ return $original ? $this->originalCache : $this->cache;
+ }
+
+ /**
+ * Sets the current cache implementation.
+ *
+ * @param Twig_CacheInterface|string|false $cache A Twig_CacheInterface implementation,
+ * an absolute path to the compiled templates,
+ * or false to disable cache
+ */
+ public function setCache($cache)
+ {
+ if (is_string($cache)) {
+ $this->originalCache = $cache;
+ $this->cache = new Twig_Cache_Filesystem($cache);
+ } elseif (false === $cache) {
+ $this->originalCache = $cache;
+ $this->cache = new Twig_Cache_Null();
+ } elseif ($cache instanceof Twig_CacheInterface) {
+ $this->originalCache = $this->cache = $cache;
+ } else {
+ throw new LogicException(sprintf('Cache can only be a string, false, or a Twig_CacheInterface implementation.'));
+ }
+ }
+
+ /**
+ * Gets the template class associated with the given string.
+ *
+ * The generated template class is based on the following parameters:
+ *
+ * * The cache key for the given template;
+ * * The currently enabled extensions;
+ * * Whether the Twig C extension is available or not;
+ * * PHP version;
+ * * Twig version;
+ * * Options with what environment was created.
+ *
+ * @param string $name The name for which to calculate the template class name
+ * @param int|null $index The index if it is an embedded template
+ *
+ * @return string The template class name
+ */
+ public function getTemplateClass($name, $index = null)
+ {
+ $key = $this->getLoader()->getCacheKey($name).$this->optionsHash;
+
+ return $this->templateClassPrefix.hash('sha256', $key).(null === $index ? '' : '_'.$index);
+ }
+
+ /**
+ * Renders a template.
+ *
+ * @param string $name The template name
+ * @param array $context An array of parameters to pass to the template
+ *
+ * @return string The rendered template
+ *
+ * @throws Twig_Error_Loader When the template cannot be found
+ * @throws Twig_Error_Syntax When an error occurred during compilation
+ * @throws Twig_Error_Runtime When an error occurred during rendering
+ */
+ public function render($name, array $context = array())
+ {
+ return $this->loadTemplate($name)->render($context);
+ }
+
+ /**
+ * Displays a template.
+ *
+ * @param string $name The template name
+ * @param array $context An array of parameters to pass to the template
+ *
+ * @throws Twig_Error_Loader When the template cannot be found
+ * @throws Twig_Error_Syntax When an error occurred during compilation
+ * @throws Twig_Error_Runtime When an error occurred during rendering
+ */
+ public function display($name, array $context = array())
+ {
+ $this->loadTemplate($name)->display($context);
+ }
+
+ /**
+ * Loads a template.
+ *
+ * @param string|Twig_TemplateWrapper|Twig_Template $name The template name
+ *
+ * @return Twig_TemplateWrapper
+ */
+ public function load($name)
+ {
+ if ($name instanceof Twig_TemplateWrapper) {
+ return $name;
+ }
+
+ if ($name instanceof Twig_Template) {
+ return new Twig_TemplateWrapper($this, $name);
+ }
+
+ return new Twig_TemplateWrapper($this, $this->loadTemplate($name));
+ }
+
+ /**
+ * Loads a template internal representation.
+ *
+ * This method is for internal use only and should never be called
+ * directly.
+ *
+ * @param string $name The template name
+ * @param int $index The index if it is an embedded template
+ *
+ * @return Twig_Template A template instance representing the given template name
+ *
+ * @throws Twig_Error_Loader When the template cannot be found
+ * @throws Twig_Error_Syntax When an error occurred during compilation
+ *
+ * @internal
+ */
+ public function loadTemplate($name, $index = null)
+ {
+ $cls = $this->getTemplateClass($name, $index);
+
+ if (isset($this->loadedTemplates[$cls])) {
+ return $this->loadedTemplates[$cls];
+ }
+
+ if (!class_exists($cls, false)) {
+ $key = $this->cache->generateKey($name, $cls);
+
+ if (!$this->isAutoReload() || $this->isTemplateFresh($name, $this->cache->getTimestamp($key))) {
+ $this->cache->load($key);
+ }
+
+ if (!class_exists($cls, false)) {
+ $content = $this->compileSource($this->getLoader()->getSourceContext($name));
+ $this->cache->write($key, $content);
+ $this->cache->load($key);
+
+ if (!class_exists($cls, false)) {
+ /* Last line of defense if either $this->bcWriteCacheFile was used,
+ * $this->cache is implemented as a no-op or we have a race condition
+ * where the cache was cleared between the above calls to write to and load from
+ * the cache.
+ */
+ eval('?>'.$content);
+ }
+ }
+ }
+
+ // to be removed in 3.0
+ $this->extensionSet->initRuntime($this);
+
+ return $this->loadedTemplates[$cls] = new $cls($this);
+ }
+
+ /**
+ * Creates a template from source.
+ *
+ * This method should not be used as a generic way to load templates.
+ *
+ * @param string $template The template name
+ *
+ * @return Twig_Template A template instance representing the given template name
+ *
+ * @throws Twig_Error_Loader When the template cannot be found
+ * @throws Twig_Error_Syntax When an error occurred during compilation
+ */
+ public function createTemplate($template)
+ {
+ $name = sprintf('__string_template__%s', hash('sha256', uniqid(mt_rand(), true), false));
+
+ $loader = new Twig_Loader_Chain(array(
+ new Twig_Loader_Array(array($name => $template)),
+ $current = $this->getLoader(),
+ ));
+
+ $this->setLoader($loader);
+ try {
+ $template = $this->loadTemplate($name);
+ } finally {
+ $this->setLoader($current);
+ }
+
+ return $template;
+ }
+
+ /**
+ * Returns true if the template is still fresh.
+ *
+ * Besides checking the loader for freshness information,
+ * this method also checks if the enabled extensions have
+ * not changed.
+ *
+ * @param string $name The template name
+ * @param int $time The last modification time of the cached template
+ *
+ * @return bool true if the template is fresh, false otherwise
+ */
+ public function isTemplateFresh($name, $time)
+ {
+ return $this->extensionSet->getLastModified() <= $time && $this->getLoader()->isFresh($name, $time);
+ }
+
+ /**
+ * Tries to load a template consecutively from an array.
+ *
+ * Similar to loadTemplate() but it also accepts Twig_Template instances and an array
+ * of templates where each is tried to be loaded.
+ *
+ * @param string|Twig_Template|array $names A template or an array of templates to try consecutively
+ *
+ * @return Twig_Template
+ *
+ * @throws Twig_Error_Loader When none of the templates can be found
+ * @throws Twig_Error_Syntax When an error occurred during compilation
+ */
+ public function resolveTemplate($names)
+ {
+ if (!is_array($names)) {
+ $names = array($names);
+ }
+
+ foreach ($names as $name) {
+ if ($name instanceof Twig_Template) {
+ return $name;
+ }
+
+ try {
+ return $this->loadTemplate($name);
+ } catch (Twig_Error_Loader $e) {
+ }
+ }
+
+ if (1 === count($names)) {
+ throw $e;
+ }
+
+ throw new Twig_Error_Loader(sprintf('Unable to find one of the following templates: "%s".', implode('", "', $names)));
+ }
+
+ public function setLexer(Twig_Lexer $lexer)
+ {
+ $this->lexer = $lexer;
+ }
+
+ /**
+ * Tokenizes a source code.
+ *
+ * @return Twig_TokenStream
+ *
+ * @throws Twig_Error_Syntax When the code is syntactically wrong
+ */
+ public function tokenize(Twig_Source $source)
+ {
+ if (null === $this->lexer) {
+ $this->lexer = new Twig_Lexer($this);
+ }
+
+ return $this->lexer->tokenize($source);
+ }
+
+ public function setParser(Twig_Parser $parser)
+ {
+ $this->parser = $parser;
+ }
+
+ /**
+ * Converts a token stream to a node tree.
+ *
+ * @return Twig_Node_Module
+ *
+ * @throws Twig_Error_Syntax When the token stream is syntactically or semantically wrong
+ */
+ public function parse(Twig_TokenStream $stream)
+ {
+ if (null === $this->parser) {
+ $this->parser = new Twig_Parser($this);
+ }
+
+ return $this->parser->parse($stream);
+ }
+
+ public function setCompiler(Twig_Compiler $compiler)
+ {
+ $this->compiler = $compiler;
+ }
+
+ /**
+ * Compiles a node and returns the PHP code.
+ *
+ * @return string The compiled PHP source code
+ */
+ public function compile(Twig_Node $node)
+ {
+ if (null === $this->compiler) {
+ $this->compiler = new Twig_Compiler($this);
+ }
+
+ return $this->compiler->compile($node)->getSource();
+ }
+
+ /**
+ * Compiles a template source code.
+ *
+ * @return string The compiled PHP source code
+ *
+ * @throws Twig_Error_Syntax When there was an error during tokenizing, parsing or compiling
+ */
+ public function compileSource(Twig_Source $source)
+ {
+ try {
+ return $this->compile($this->parse($this->tokenize($source)));
+ } catch (Twig_Error $e) {
+ $e->setSourceContext($source);
+ throw $e;
+ } catch (Exception $e) {
+ throw new Twig_Error_Syntax(sprintf('An exception has been thrown during the compilation of a template ("%s").', $e->getMessage()), -1, $source, $e);
+ }
+ }
+
+ public function setLoader(Twig_LoaderInterface $loader)
+ {
+ $this->loader = $loader;
+ }
+
+ /**
+ * Gets the Loader instance.
+ *
+ * @return Twig_LoaderInterface
+ */
+ public function getLoader()
+ {
+ return $this->loader;
+ }
+
+ /**
+ * Sets the default template charset.
+ *
+ * @param string $charset The default charset
+ */
+ public function setCharset($charset)
+ {
+ if ('UTF8' === $charset = strtoupper($charset)) {
+ // iconv on Windows requires "UTF-8" instead of "UTF8"
+ $charset = 'UTF-8';
+ }
+
+ $this->charset = $charset;
+ }
+
+ /**
+ * Gets the default template charset.
+ *
+ * @return string The default charset
+ */
+ public function getCharset()
+ {
+ return $this->charset;
+ }
+
+ /**
+ * Returns true if the given extension is registered.
+ *
+ * @param string $class The extension class name
+ *
+ * @return bool Whether the extension is registered or not
+ */
+ public function hasExtension($class)
+ {
+ return $this->extensionSet->hasExtension($class);
+ }
+
+ /**
+ * Adds a runtime loader.
+ */
+ public function addRuntimeLoader(Twig_RuntimeLoaderInterface $loader)
+ {
+ $this->runtimeLoaders[] = $loader;
+ }
+
+ /**
+ * Gets an extension by class name.
+ *
+ * @param string $class The extension class name
+ *
+ * @return Twig_ExtensionInterface
+ */
+ public function getExtension($class)
+ {
+ return $this->extensionSet->getExtension($class);
+ }
+
+ /**
+ * Returns the runtime implementation of a Twig element (filter/function/test).
+ *
+ * @param string $class A runtime class name
+ *
+ * @return object The runtime implementation
+ *
+ * @throws Twig_Error_Runtime When the template cannot be found
+ */
+ public function getRuntime($class)
+ {
+ if (isset($this->runtimes[$class])) {
+ return $this->runtimes[$class];
+ }
+
+ foreach ($this->runtimeLoaders as $loader) {
+ if (null !== $runtime = $loader->load($class)) {
+ return $this->runtimes[$class] = $runtime;
+ }
+ }
+
+ throw new Twig_Error_Runtime(sprintf('Unable to load the "%s" runtime.', $class));
+ }
+
+ public function addExtension(Twig_ExtensionInterface $extension)
+ {
+ $this->extensionSet->addExtension($extension);
+ $this->updateOptionsHash();
+ }
+
+ /**
+ * Registers an array of extensions.
+ *
+ * @param array $extensions An array of extensions
+ */
+ public function setExtensions(array $extensions)
+ {
+ $this->extensionSet->setExtensions($extensions);
+ }
+
+ /**
+ * Returns all registered extensions.
+ *
+ * @return Twig_ExtensionInterface[] An array of extensions (keys are for internal usage only and should not be relied on)
+ */
+ public function getExtensions()
+ {
+ return $this->extensionSet->getExtensions();
+ }
+
+ public function addTokenParser(Twig_TokenParserInterface $parser)
+ {
+ $this->extensionSet->addTokenParser($parser);
+ }
+
+ /**
+ * Gets the registered Token Parsers.
+ *
+ * @return Twig_TokenParserInterface[]
+ *
+ * @internal
+ */
+ public function getTokenParsers()
+ {
+ return $this->extensionSet->getTokenParsers();
+ }
+
+ /**
+ * Gets registered tags.
+ *
+ * @return Twig_TokenParserInterface[]
+ *
+ * @internal
+ */
+ public function getTags()
+ {
+ $tags = array();
+ foreach ($this->getTokenParsers() as $parser) {
+ $tags[$parser->getTag()] = $parser;
+ }
+
+ return $tags;
+ }
+
+ public function addNodeVisitor(Twig_NodeVisitorInterface $visitor)
+ {
+ $this->extensionSet->addNodeVisitor($visitor);
+ }
+
+ /**
+ * Gets the registered Node Visitors.
+ *
+ * @return Twig_NodeVisitorInterface[]
+ *
+ * @internal
+ */
+ public function getNodeVisitors()
+ {
+ return $this->extensionSet->getNodeVisitors();
+ }
+
+ public function addFilter(Twig_Filter $filter)
+ {
+ $this->extensionSet->addFilter($filter);
+ }
+
+ /**
+ * Get a filter by name.
+ *
+ * Subclasses may override this method and load filters differently;
+ * so no list of filters is available.
+ *
+ * @param string $name The filter name
+ *
+ * @return Twig_Filter|false A Twig_Filter instance or false if the filter does not exist
+ *
+ * @internal
+ */
+ public function getFilter($name)
+ {
+ return $this->extensionSet->getFilter($name);
+ }
+
+ public function registerUndefinedFilterCallback(callable $callable)
+ {
+ $this->extensionSet->registerUndefinedFilterCallback($callable);
+ }
+
+ /**
+ * Gets the registered Filters.
+ *
+ * Be warned that this method cannot return filters defined with registerUndefinedFilterCallback.
+ *
+ * @return Twig_Filter[]
+ *
+ * @see registerUndefinedFilterCallback
+ *
+ * @internal
+ */
+ public function getFilters()
+ {
+ return $this->extensionSet->getFilters();
+ }
+
+ /**
+ * Registers a Test.
+ *
+ * @param Twig_Test $test A Twig_Test instance
+ */
+ public function addTest(Twig_Test $test)
+ {
+ $this->extensionSet->addTest($test);
+ }
+
+ /**
+ * Gets the registered Tests.
+ *
+ * @return Twig_Test[]
+ *
+ * @internal
+ */
+ public function getTests()
+ {
+ return $this->extensionSet->getTests();
+ }
+
+ /**
+ * Gets a test by name.
+ *
+ * @param string $name The test name
+ *
+ * @return Twig_Test|false A Twig_Test instance or false if the test does not exist
+ *
+ * @internal
+ */
+ public function getTest($name)
+ {
+ return $this->extensionSet->getTest($name);
+ }
+
+ public function addFunction(Twig_Function $function)
+ {
+ $this->extensionSet->addFunction($function);
+ }
+
+ /**
+ * Get a function by name.
+ *
+ * Subclasses may override this method and load functions differently;
+ * so no list of functions is available.
+ *
+ * @param string $name function name
+ *
+ * @return Twig_Function|false A Twig_Function instance or false if the function does not exist
+ *
+ * @internal
+ */
+ public function getFunction($name)
+ {
+ return $this->extensionSet->getFunction($name);
+ }
+
+ public function registerUndefinedFunctionCallback(callable $callable)
+ {
+ $this->extensionSet->registerUndefinedFunctionCallback($callable);
+ }
+
+ /**
+ * Gets registered functions.
+ *
+ * Be warned that this method cannot return functions defined with registerUndefinedFunctionCallback.
+ *
+ * @return Twig_Function[]
+ *
+ * @see registerUndefinedFunctionCallback
+ *
+ * @internal
+ */
+ public function getFunctions()
+ {
+ return $this->extensionSet->getFunctions();
+ }
+
+ /**
+ * Registers a Global.
+ *
+ * New globals can be added before compiling or rendering a template;
+ * but after, you can only update existing globals.
+ *
+ * @param string $name The global name
+ * @param mixed $value The global value
+ */
+ public function addGlobal($name, $value)
+ {
+ if ($this->extensionSet->isInitialized() && !array_key_exists($name, $this->getGlobals())) {
+ throw new LogicException(sprintf('Unable to add global "%s" as the runtime or the extensions have already been initialized.', $name));
+ }
+
+ if (null !== $this->resolvedGlobals) {
+ $this->resolvedGlobals[$name] = $value;
+ } else {
+ $this->globals[$name] = $value;
+ }
+ }
+
+ /**
+ * Gets the registered Globals.
+ *
+ * @return array An array of globals
+ *
+ * @internal
+ */
+ public function getGlobals()
+ {
+ if ($this->extensionSet->isInitialized()) {
+ if (null === $this->resolvedGlobals) {
+ $this->resolvedGlobals = array_merge($this->extensionSet->getGlobals(), $this->globals);
+ }
+
+ return $this->resolvedGlobals;
+ }
+
+ return array_merge($this->extensionSet->getGlobals(), $this->globals);
+ }
+
+ /**
+ * Merges a context with the defined globals.
+ *
+ * @param array $context An array representing the context
+ *
+ * @return array The context merged with the globals
+ */
+ public function mergeGlobals(array $context)
+ {
+ // we don't use array_merge as the context being generally
+ // bigger than globals, this code is faster.
+ foreach ($this->getGlobals() as $key => $value) {
+ if (!array_key_exists($key, $context)) {
+ $context[$key] = $value;
+ }
+ }
+
+ return $context;
+ }
+
+ /**
+ * Gets the registered unary Operators.
+ *
+ * @return array An array of unary operators
+ *
+ * @internal
+ */
+ public function getUnaryOperators()
+ {
+ return $this->extensionSet->getUnaryOperators();
+ }
+
+ /**
+ * Gets the registered binary Operators.
+ *
+ * @return array An array of binary operators
+ *
+ * @internal
+ */
+ public function getBinaryOperators()
+ {
+ return $this->extensionSet->getBinaryOperators();
+ }
+
+ private function updateOptionsHash()
+ {
+ $this->optionsHash = implode(':', array(
+ $this->extensionSet->getSignature(),
+ PHP_MAJOR_VERSION,
+ PHP_MINOR_VERSION,
+ self::VERSION,
+ (int) $this->debug,
+ $this->baseTemplateClass,
+ (int) $this->strictVariables,
+ ));
+ }
+}
diff --git a/lib/Twig/Error.php b/lib/Twig/Error.php
new file mode 100644
index 0000000..2417b56
--- /dev/null
+++ b/lib/Twig/Error.php
@@ -0,0 +1,267 @@
+
+ */
+class Twig_Error extends Exception
+{
+ private $lineno;
+ private $name;
+ private $rawMessage;
+ private $sourcePath;
+ private $sourceCode;
+
+ /**
+ * Constructor.
+ *
+ * Set both the line number and the name to false to
+ * disable automatic guessing of the original template name
+ * and line number.
+ *
+ * Set the line number to -1 to enable its automatic guessing.
+ * Set the name to null to enable its automatic guessing.
+ *
+ * By default, automatic guessing is enabled.
+ *
+ * @param string $message The error message
+ * @param int $lineno The template line where the error occurred
+ * @param Twig_Source|string|null $source The source context where the error occurred
+ * @param Exception $previous The previous exception
+ */
+ public function __construct($message, $lineno = -1, $source = null, Exception $previous = null)
+ {
+ parent::__construct('', 0, $previous);
+
+ if (null === $source) {
+ $name = null;
+ } elseif (!$source instanceof Twig_Source) {
+ // for compat with the Twig C ext., passing the template name as string is accepted
+ $name = $source;
+ } else {
+ $name = $source->getName();
+ $this->sourceCode = $source->getCode();
+ $this->sourcePath = $source->getPath();
+ }
+
+ $this->lineno = $lineno;
+ $this->name = $name;
+
+ if (-1 === $lineno || null === $name || null === $this->sourcePath) {
+ $this->guessTemplateInfo();
+ }
+
+ $this->rawMessage = $message;
+
+ $this->updateRepr();
+ }
+
+ /**
+ * Gets the raw message.
+ *
+ * @return string The raw message
+ */
+ public function getRawMessage()
+ {
+ return $this->rawMessage;
+ }
+
+ /**
+ * Gets the template line where the error occurred.
+ *
+ * @return int The template line
+ */
+ public function getTemplateLine()
+ {
+ return $this->lineno;
+ }
+
+ /**
+ * Sets the template line where the error occurred.
+ *
+ * @param int $lineno The template line
+ */
+ public function setTemplateLine($lineno)
+ {
+ $this->lineno = $lineno;
+
+ $this->updateRepr();
+ }
+
+ /**
+ * Gets the source context of the Twig template where the error occurred.
+ *
+ * @return Twig_Source|null
+ */
+ public function getSourceContext()
+ {
+ return $this->name ? new Twig_Source($this->sourceCode, $this->name, $this->sourcePath) : null;
+ }
+
+ /**
+ * Sets the source context of the Twig template where the error occurred.
+ */
+ public function setSourceContext(Twig_Source $source = null)
+ {
+ if (null === $source) {
+ $this->sourceCode = $this->name = $this->sourcePath = null;
+ } else {
+ $this->sourceCode = $source->getCode();
+ $this->name = $source->getName();
+ $this->sourcePath = $source->getPath();
+ }
+
+ $this->updateRepr();
+ }
+
+ public function guess()
+ {
+ $this->guessTemplateInfo();
+ $this->updateRepr();
+ }
+
+ public function appendMessage($rawMessage)
+ {
+ $this->rawMessage .= $rawMessage;
+ $this->updateRepr();
+ }
+
+ private function updateRepr()
+ {
+ $this->message = $this->rawMessage;
+
+ if ($this->sourcePath && $this->lineno > 0) {
+ $this->file = $this->sourcePath;
+ $this->line = $this->lineno;
+
+ return;
+ }
+
+ $dot = false;
+ if ('.' === substr($this->message, -1)) {
+ $this->message = substr($this->message, 0, -1);
+ $dot = true;
+ }
+
+ $questionMark = false;
+ if ('?' === substr($this->message, -1)) {
+ $this->message = substr($this->message, 0, -1);
+ $questionMark = true;
+ }
+
+ if ($this->name) {
+ if (is_string($this->name) || (is_object($this->name) && method_exists($this->name, '__toString'))) {
+ $name = sprintf('"%s"', $this->name);
+ } else {
+ $name = json_encode($this->name);
+ }
+ $this->message .= sprintf(' in %s', $name);
+ }
+
+ if ($this->lineno && $this->lineno >= 0) {
+ $this->message .= sprintf(' at line %d', $this->lineno);
+ }
+
+ if ($dot) {
+ $this->message .= '.';
+ }
+
+ if ($questionMark) {
+ $this->message .= '?';
+ }
+ }
+
+ private function guessTemplateInfo()
+ {
+ $template = null;
+ $templateClass = null;
+
+ $backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS | DEBUG_BACKTRACE_PROVIDE_OBJECT);
+ foreach ($backtrace as $trace) {
+ if (isset($trace['object']) && $trace['object'] instanceof Twig_Template && 'Twig_Template' !== get_class($trace['object'])) {
+ $currentClass = get_class($trace['object']);
+ $isEmbedContainer = 0 === strpos($templateClass, $currentClass);
+ if (null === $this->name || ($this->name == $trace['object']->getTemplateName() && !$isEmbedContainer)) {
+ $template = $trace['object'];
+ $templateClass = get_class($trace['object']);
+ }
+ }
+ }
+
+ // update template name
+ if (null !== $template && null === $this->name) {
+ $this->name = $template->getTemplateName();
+ }
+
+ // update template path if any
+ if (null !== $template && null === $this->sourcePath) {
+ $src = $template->getSourceContext();
+ $this->sourceCode = $src->getCode();
+ $this->sourcePath = $src->getPath();
+ }
+
+ if (null === $template || $this->lineno > -1) {
+ return;
+ }
+
+ $r = new ReflectionObject($template);
+ $file = $r->getFileName();
+
+ // hhvm has a bug where eval'ed files comes out as the current directory
+ if (is_dir($file)) {
+ $file = '';
+ }
+
+ $exceptions = array($e = $this);
+ while ($e = $e->getPrevious()) {
+ $exceptions[] = $e;
+ }
+
+ while ($e = array_pop($exceptions)) {
+ $traces = $e->getTrace();
+ array_unshift($traces, array('file' => $e->getFile(), 'line' => $e->getLine()));
+
+ while ($trace = array_shift($traces)) {
+ if (!isset($trace['file']) || !isset($trace['line']) || $file != $trace['file']) {
+ continue;
+ }
+
+ foreach ($template->getDebugInfo() as $codeLine => $templateLine) {
+ if ($codeLine <= $trace['line']) {
+ // update template line
+ $this->lineno = $templateLine;
+
+ return;
+ }
+ }
+ }
+ }
+ }
+}
diff --git a/lib/Twig/Error/Loader.php b/lib/Twig/Error/Loader.php
new file mode 100644
index 0000000..dd514e7
--- /dev/null
+++ b/lib/Twig/Error/Loader.php
@@ -0,0 +1,38 @@
+
+ */
+class Twig_Error_Loader extends Twig_Error
+{
+ public function __construct($message, $lineno = -1, $source = null, Exception $previous = null)
+ {
+ if (PHP_VERSION_ID < 50300) {
+ $this->previous = $previous;
+ Exception::__construct('');
+ } else {
+ Exception::__construct('', 0, $previous);
+ }
+ $this->appendMessage($message);
+ $this->setTemplateLine(false);
+ }
+}
diff --git a/lib/Twig/Error/Runtime.php b/lib/Twig/Error/Runtime.php
new file mode 100644
index 0000000..8b6cedd
--- /dev/null
+++ b/lib/Twig/Error/Runtime.php
@@ -0,0 +1,20 @@
+
+ */
+class Twig_Error_Runtime extends Twig_Error
+{
+}
diff --git a/lib/Twig/Error/Syntax.php b/lib/Twig/Error/Syntax.php
new file mode 100644
index 0000000..7ae5112
--- /dev/null
+++ b/lib/Twig/Error/Syntax.php
@@ -0,0 +1,44 @@
+
+ */
+class Twig_Error_Syntax extends Twig_Error
+{
+ /**
+ * Tweaks the error message to include suggestions.
+ *
+ * @param string $name The original name of the item that does not exist
+ * @param array $items An array of possible items
+ */
+ public function addSuggestions($name, array $items)
+ {
+ $alternatives = array();
+ foreach ($items as $item) {
+ $lev = levenshtein($name, $item);
+ if ($lev <= strlen($name) / 3 || false !== strpos($item, $name)) {
+ $alternatives[$item] = $lev;
+ }
+ }
+
+ if (!$alternatives) {
+ return;
+ }
+
+ asort($alternatives);
+
+ $this->appendMessage(sprintf(' Did you mean "%s"?', implode('", "', array_keys($alternatives))));
+ }
+}
diff --git a/lib/Twig/ExistsLoaderInterface.php b/lib/Twig/ExistsLoaderInterface.php
new file mode 100644
index 0000000..d8b89e2
--- /dev/null
+++ b/lib/Twig/ExistsLoaderInterface.php
@@ -0,0 +1,17 @@
+
+ *
+ * @internal
+ */
+class Twig_ExpressionParser
+{
+ const OPERATOR_LEFT = 1;
+ const OPERATOR_RIGHT = 2;
+
+ private $parser;
+ private $env;
+ private $unaryOperators;
+ private $binaryOperators;
+
+ public function __construct(Twig_Parser $parser, Twig_Environment $env)
+ {
+ $this->parser = $parser;
+ $this->env = $env;
+ $this->unaryOperators = $env->getUnaryOperators();
+ $this->binaryOperators = $env->getBinaryOperators();
+ }
+
+ public function parseExpression($precedence = 0)
+ {
+ $expr = $this->getPrimary();
+ $token = $this->parser->getCurrentToken();
+ while ($this->isBinary($token) && $this->binaryOperators[$token->getValue()]['precedence'] >= $precedence) {
+ $op = $this->binaryOperators[$token->getValue()];
+ $this->parser->getStream()->next();
+
+ if ('is not' === $token->getValue()) {
+ $expr = $this->parseNotTestExpression($expr);
+ } elseif ('is' === $token->getValue()) {
+ $expr = $this->parseTestExpression($expr);
+ } elseif (isset($op['callable'])) {
+ $expr = $op['callable']($this->parser, $expr);
+ } else {
+ $expr1 = $this->parseExpression(self::OPERATOR_LEFT === $op['associativity'] ? $op['precedence'] + 1 : $op['precedence']);
+ $class = $op['class'];
+ $expr = new $class($expr, $expr1, $token->getLine());
+ }
+
+ $token = $this->parser->getCurrentToken();
+ }
+
+ if (0 === $precedence) {
+ return $this->parseConditionalExpression($expr);
+ }
+
+ return $expr;
+ }
+
+ private function getPrimary()
+ {
+ $token = $this->parser->getCurrentToken();
+
+ if ($this->isUnary($token)) {
+ $operator = $this->unaryOperators[$token->getValue()];
+ $this->parser->getStream()->next();
+ $expr = $this->parseExpression($operator['precedence']);
+ $class = $operator['class'];
+
+ return $this->parsePostfixExpression(new $class($expr, $token->getLine()));
+ } elseif ($token->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
+ $this->parser->getStream()->next();
+ $expr = $this->parseExpression();
+ $this->parser->getStream()->expect(Twig_Token::PUNCTUATION_TYPE, ')', 'An opened parenthesis is not properly closed');
+
+ return $this->parsePostfixExpression($expr);
+ }
+
+ return $this->parsePrimaryExpression();
+ }
+
+ private function parseConditionalExpression($expr)
+ {
+ while ($this->parser->getStream()->nextIf(Twig_Token::PUNCTUATION_TYPE, '?')) {
+ if (!$this->parser->getStream()->nextIf(Twig_Token::PUNCTUATION_TYPE, ':')) {
+ $expr2 = $this->parseExpression();
+ if ($this->parser->getStream()->nextIf(Twig_Token::PUNCTUATION_TYPE, ':')) {
+ $expr3 = $this->parseExpression();
+ } else {
+ $expr3 = new Twig_Node_Expression_Constant('', $this->parser->getCurrentToken()->getLine());
+ }
+ } else {
+ $expr2 = $expr;
+ $expr3 = $this->parseExpression();
+ }
+
+ $expr = new Twig_Node_Expression_Conditional($expr, $expr2, $expr3, $this->parser->getCurrentToken()->getLine());
+ }
+
+ return $expr;
+ }
+
+ private function isUnary(Twig_Token $token)
+ {
+ return $token->test(Twig_Token::OPERATOR_TYPE) && isset($this->unaryOperators[$token->getValue()]);
+ }
+
+ private function isBinary(Twig_Token $token)
+ {
+ return $token->test(Twig_Token::OPERATOR_TYPE) && isset($this->binaryOperators[$token->getValue()]);
+ }
+
+ public function parsePrimaryExpression()
+ {
+ $token = $this->parser->getCurrentToken();
+ switch ($token->getType()) {
+ case Twig_Token::NAME_TYPE:
+ $this->parser->getStream()->next();
+ switch ($token->getValue()) {
+ case 'true':
+ case 'TRUE':
+ $node = new Twig_Node_Expression_Constant(true, $token->getLine());
+ break;
+
+ case 'false':
+ case 'FALSE':
+ $node = new Twig_Node_Expression_Constant(false, $token->getLine());
+ break;
+
+ case 'none':
+ case 'NONE':
+ case 'null':
+ case 'NULL':
+ $node = new Twig_Node_Expression_Constant(null, $token->getLine());
+ break;
+
+ default:
+ if ('(' === $this->parser->getCurrentToken()->getValue()) {
+ $node = $this->getFunctionNode($token->getValue(), $token->getLine());
+ } else {
+ $node = new Twig_Node_Expression_Name($token->getValue(), $token->getLine());
+ }
+ }
+ break;
+
+ case Twig_Token::NUMBER_TYPE:
+ $this->parser->getStream()->next();
+ $node = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
+ break;
+
+ case Twig_Token::STRING_TYPE:
+ case Twig_Token::INTERPOLATION_START_TYPE:
+ $node = $this->parseStringExpression();
+ break;
+
+ case Twig_Token::OPERATOR_TYPE:
+ if (preg_match(Twig_Lexer::REGEX_NAME, $token->getValue(), $matches) && $matches[0] == $token->getValue()) {
+ // in this context, string operators are variable names
+ $this->parser->getStream()->next();
+ $node = new Twig_Node_Expression_Name($token->getValue(), $token->getLine());
+ break;
+ } elseif (isset($this->unaryOperators[$token->getValue()])) {
+ $class = $this->unaryOperators[$token->getValue()]['class'];
+
+ $ref = new ReflectionClass($class);
+ $negClass = 'Twig_Node_Expression_Unary_Neg';
+ $posClass = 'Twig_Node_Expression_Unary_Pos';
+ if (!(in_array($ref->getName(), array($negClass, $posClass)) || $ref->isSubclassOf($negClass) || $ref->isSubclassOf($posClass))) {
+ throw new Twig_Error_Syntax(sprintf('Unexpected unary operator "%s".', $token->getValue()), $token->getLine(), $this->parser->getStream()->getSourceContext());
+ }
+
+ $this->parser->getStream()->next();
+ $expr = $this->parsePrimaryExpression();
+
+ $node = new $class($expr, $token->getLine());
+ break;
+ }
+
+ default:
+ if ($token->test(Twig_Token::PUNCTUATION_TYPE, '[')) {
+ $node = $this->parseArrayExpression();
+ } elseif ($token->test(Twig_Token::PUNCTUATION_TYPE, '{')) {
+ $node = $this->parseHashExpression();
+ } else {
+ throw new Twig_Error_Syntax(sprintf('Unexpected token "%s" of value "%s".', Twig_Token::typeToEnglish($token->getType()), $token->getValue()), $token->getLine(), $this->parser->getStream()->getSourceContext());
+ }
+ }
+
+ return $this->parsePostfixExpression($node);
+ }
+
+ public function parseStringExpression()
+ {
+ $stream = $this->parser->getStream();
+
+ $nodes = array();
+ // a string cannot be followed by another string in a single expression
+ $nextCanBeString = true;
+ while (true) {
+ if ($nextCanBeString && $token = $stream->nextIf(Twig_Token::STRING_TYPE)) {
+ $nodes[] = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
+ $nextCanBeString = false;
+ } elseif ($stream->nextIf(Twig_Token::INTERPOLATION_START_TYPE)) {
+ $nodes[] = $this->parseExpression();
+ $stream->expect(Twig_Token::INTERPOLATION_END_TYPE);
+ $nextCanBeString = true;
+ } else {
+ break;
+ }
+ }
+
+ $expr = array_shift($nodes);
+ foreach ($nodes as $node) {
+ $expr = new Twig_Node_Expression_Binary_Concat($expr, $node, $node->getTemplateLine());
+ }
+
+ return $expr;
+ }
+
+ public function parseArrayExpression()
+ {
+ $stream = $this->parser->getStream();
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, '[', 'An array element was expected');
+
+ $node = new Twig_Node_Expression_Array(array(), $stream->getCurrent()->getLine());
+ $first = true;
+ while (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ']')) {
+ if (!$first) {
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, ',', 'An array element must be followed by a comma');
+
+ // trailing ,?
+ if ($stream->test(Twig_Token::PUNCTUATION_TYPE, ']')) {
+ break;
+ }
+ }
+ $first = false;
+
+ $node->addElement($this->parseExpression());
+ }
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, ']', 'An opened array is not properly closed');
+
+ return $node;
+ }
+
+ public function parseHashExpression()
+ {
+ $stream = $this->parser->getStream();
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, '{', 'A hash element was expected');
+
+ $node = new Twig_Node_Expression_Array(array(), $stream->getCurrent()->getLine());
+ $first = true;
+ while (!$stream->test(Twig_Token::PUNCTUATION_TYPE, '}')) {
+ if (!$first) {
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, ',', 'A hash value must be followed by a comma');
+
+ // trailing ,?
+ if ($stream->test(Twig_Token::PUNCTUATION_TYPE, '}')) {
+ break;
+ }
+ }
+ $first = false;
+
+ // a hash key can be:
+ //
+ // * a number -- 12
+ // * a string -- 'a'
+ // * a name, which is equivalent to a string -- a
+ // * an expression, which must be enclosed in parentheses -- (1 + 2)
+ if (($token = $stream->nextIf(Twig_Token::STRING_TYPE)) || ($token = $stream->nextIf(Twig_Token::NAME_TYPE)) || $token = $stream->nextIf(Twig_Token::NUMBER_TYPE)) {
+ $key = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
+ } elseif ($stream->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
+ $key = $this->parseExpression();
+ } else {
+ $current = $stream->getCurrent();
+
+ throw new Twig_Error_Syntax(sprintf('A hash key must be a quoted string, a number, a name, or an expression enclosed in parentheses (unexpected token "%s" of value "%s".', Twig_Token::typeToEnglish($current->getType()), $current->getValue()), $current->getLine(), $stream->getSourceContext());
+ }
+
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, ':', 'A hash key must be followed by a colon (:)');
+ $value = $this->parseExpression();
+
+ $node->addElement($value, $key);
+ }
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, '}', 'An opened hash is not properly closed');
+
+ return $node;
+ }
+
+ public function parsePostfixExpression($node)
+ {
+ while (true) {
+ $token = $this->parser->getCurrentToken();
+ if ($token->getType() == Twig_Token::PUNCTUATION_TYPE) {
+ if ('.' == $token->getValue() || '[' == $token->getValue()) {
+ $node = $this->parseSubscriptExpression($node);
+ } elseif ('|' == $token->getValue()) {
+ $node = $this->parseFilterExpression($node);
+ } else {
+ break;
+ }
+ } else {
+ break;
+ }
+ }
+
+ return $node;
+ }
+
+ public function getFunctionNode($name, $line)
+ {
+ switch ($name) {
+ case 'parent':
+ $this->parseArguments();
+ if (!count($this->parser->getBlockStack())) {
+ throw new Twig_Error_Syntax('Calling "parent" outside a block is forbidden.', $line, $this->parser->getStream()->getSourceContext());
+ }
+
+ if (!$this->parser->getParent() && !$this->parser->hasTraits()) {
+ throw new Twig_Error_Syntax('Calling "parent" on a template that does not extend nor "use" another template is forbidden.', $line, $this->parser->getStream()->getSourceContext());
+ }
+
+ return new Twig_Node_Expression_Parent($this->parser->peekBlockStack(), $line);
+ case 'block':
+ $args = $this->parseArguments();
+ if (count($args) < 1) {
+ throw new Twig_Error_Syntax('The "block" function takes one argument (the block name).', $line, $this->parser->getStream()->getSourceContext());
+ }
+
+ return new Twig_Node_Expression_BlockReference($args->getNode(0), count($args) > 1 ? $args->getNode(1) : null, $line);
+ case 'attribute':
+ $args = $this->parseArguments();
+ if (count($args) < 2) {
+ throw new Twig_Error_Syntax('The "attribute" function takes at least two arguments (the variable and the attributes).', $line, $this->parser->getStream()->getSourceContext());
+ }
+
+ return new Twig_Node_Expression_GetAttr($args->getNode(0), $args->getNode(1), count($args) > 2 ? $args->getNode(2) : null, Twig_Template::ANY_CALL, $line);
+ default:
+ if (null !== $alias = $this->parser->getImportedSymbol('function', $name)) {
+ $arguments = new Twig_Node_Expression_Array(array(), $line);
+ foreach ($this->parseArguments() as $n) {
+ $arguments->addElement($n);
+ }
+
+ $node = new Twig_Node_Expression_MethodCall($alias['node'], $alias['name'], $arguments, $line);
+ $node->setAttribute('safe', true);
+
+ return $node;
+ }
+
+ $args = $this->parseArguments(true);
+ $class = $this->getFunctionNodeClass($name, $line);
+
+ return new $class($name, $args, $line);
+ }
+ }
+
+ public function parseSubscriptExpression($node)
+ {
+ $stream = $this->parser->getStream();
+ $token = $stream->next();
+ $lineno = $token->getLine();
+ $arguments = new Twig_Node_Expression_Array(array(), $lineno);
+ $type = Twig_Template::ANY_CALL;
+ if ($token->getValue() == '.') {
+ $token = $stream->next();
+ if (
+ $token->getType() == Twig_Token::NAME_TYPE
+ ||
+ $token->getType() == Twig_Token::NUMBER_TYPE
+ ||
+ ($token->getType() == Twig_Token::OPERATOR_TYPE && preg_match(Twig_Lexer::REGEX_NAME, $token->getValue()))
+ ) {
+ $arg = new Twig_Node_Expression_Constant($token->getValue(), $lineno);
+
+ if ($stream->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
+ $type = Twig_Template::METHOD_CALL;
+ foreach ($this->parseArguments() as $n) {
+ $arguments->addElement($n);
+ }
+ }
+ } else {
+ throw new Twig_Error_Syntax('Expected name or number.', $lineno, $stream->getSourceContext());
+ }
+
+ if ($node instanceof Twig_Node_Expression_Name && null !== $this->parser->getImportedSymbol('template', $node->getAttribute('name'))) {
+ if (!$arg instanceof Twig_Node_Expression_Constant) {
+ throw new Twig_Error_Syntax(sprintf('Dynamic macro names are not supported (called on "%s").', $node->getAttribute('name')), $token->getLine(), $stream->getSourceContext());
+ }
+
+ $name = $arg->getAttribute('value');
+
+ $node = new Twig_Node_Expression_MethodCall($node, 'macro_'.$name, $arguments, $lineno);
+ $node->setAttribute('safe', true);
+
+ return $node;
+ }
+ } else {
+ $type = Twig_Template::ARRAY_CALL;
+
+ // slice?
+ $slice = false;
+ if ($stream->test(Twig_Token::PUNCTUATION_TYPE, ':')) {
+ $slice = true;
+ $arg = new Twig_Node_Expression_Constant(0, $token->getLine());
+ } else {
+ $arg = $this->parseExpression();
+ }
+
+ if ($stream->nextIf(Twig_Token::PUNCTUATION_TYPE, ':')) {
+ $slice = true;
+ }
+
+ if ($slice) {
+ if ($stream->test(Twig_Token::PUNCTUATION_TYPE, ']')) {
+ $length = new Twig_Node_Expression_Constant(null, $token->getLine());
+ } else {
+ $length = $this->parseExpression();
+ }
+
+ $class = $this->getFilterNodeClass('slice', $token->getLine());
+ $arguments = new Twig_Node(array($arg, $length));
+ $filter = new $class($node, new Twig_Node_Expression_Constant('slice', $token->getLine()), $arguments, $token->getLine());
+
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, ']');
+
+ return $filter;
+ }
+
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, ']');
+ }
+
+ return new Twig_Node_Expression_GetAttr($node, $arg, $arguments, $type, $lineno);
+ }
+
+ public function parseFilterExpression($node)
+ {
+ $this->parser->getStream()->next();
+
+ return $this->parseFilterExpressionRaw($node);
+ }
+
+ public function parseFilterExpressionRaw($node, $tag = null)
+ {
+ while (true) {
+ $token = $this->parser->getStream()->expect(Twig_Token::NAME_TYPE);
+
+ $name = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
+ if (!$this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
+ $arguments = new Twig_Node();
+ } else {
+ $arguments = $this->parseArguments(true);
+ }
+
+ $class = $this->getFilterNodeClass($name->getAttribute('value'), $token->getLine());
+
+ $node = new $class($node, $name, $arguments, $token->getLine(), $tag);
+
+ if (!$this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, '|')) {
+ break;
+ }
+
+ $this->parser->getStream()->next();
+ }
+
+ return $node;
+ }
+
+ /**
+ * Parses arguments.
+ *
+ * @param bool $namedArguments Whether to allow named arguments or not
+ * @param bool $definition Whether we are parsing arguments for a function definition
+ *
+ * @return Twig_Node
+ *
+ * @throws Twig_Error_Syntax
+ */
+ public function parseArguments($namedArguments = false, $definition = false)
+ {
+ $args = array();
+ $stream = $this->parser->getStream();
+
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, '(', 'A list of arguments must begin with an opening parenthesis');
+ while (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ')')) {
+ if (!empty($args)) {
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, ',', 'Arguments must be separated by a comma');
+ }
+
+ if ($definition) {
+ $token = $stream->expect(Twig_Token::NAME_TYPE, null, 'An argument must be a name');
+ $value = new Twig_Node_Expression_Name($token->getValue(), $this->parser->getCurrentToken()->getLine());
+ } else {
+ $value = $this->parseExpression();
+ }
+
+ $name = null;
+ if ($namedArguments && $token = $stream->nextIf(Twig_Token::OPERATOR_TYPE, '=')) {
+ if (!$value instanceof Twig_Node_Expression_Name) {
+ throw new Twig_Error_Syntax(sprintf('A parameter name must be a string, "%s" given.', get_class($value)), $token->getLine(), $stream->getSourceContext());
+ }
+ $name = $value->getAttribute('name');
+
+ if ($definition) {
+ $value = $this->parsePrimaryExpression();
+
+ if (!$this->checkConstantExpression($value)) {
+ throw new Twig_Error_Syntax(sprintf('A default value for an argument must be a constant (a boolean, a string, a number, or an array).'), $token->getLine(), $stream->getSourceContext());
+ }
+ } else {
+ $value = $this->parseExpression();
+ }
+ }
+
+ if ($definition) {
+ if (null === $name) {
+ $name = $value->getAttribute('name');
+ $value = new Twig_Node_Expression_Constant(null, $this->parser->getCurrentToken()->getLine());
+ }
+ $args[$name] = $value;
+ } else {
+ if (null === $name) {
+ $args[] = $value;
+ } else {
+ $args[$name] = $value;
+ }
+ }
+ }
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, ')', 'A list of arguments must be closed by a parenthesis');
+
+ return new Twig_Node($args);
+ }
+
+ public function parseAssignmentExpression()
+ {
+ $stream = $this->parser->getStream();
+ $targets = array();
+ while (true) {
+ $token = $stream->expect(Twig_Token::NAME_TYPE, null, 'Only variables can be assigned to');
+ $value = $token->getValue();
+ if (in_array(strtolower($value), array('true', 'false', 'none', 'null'))) {
+ throw new Twig_Error_Syntax(sprintf('You cannot assign a value to "%s".', $value), $token->getLine(), $stream->getSourceContext());
+ }
+ $targets[] = new Twig_Node_Expression_AssignName($value, $token->getLine());
+
+ if (!$stream->nextIf(Twig_Token::PUNCTUATION_TYPE, ',')) {
+ break;
+ }
+ }
+
+ return new Twig_Node($targets);
+ }
+
+ public function parseMultitargetExpression()
+ {
+ $targets = array();
+ while (true) {
+ $targets[] = $this->parseExpression();
+ if (!$this->parser->getStream()->nextIf(Twig_Token::PUNCTUATION_TYPE, ',')) {
+ break;
+ }
+ }
+
+ return new Twig_Node($targets);
+ }
+
+ private function parseNotTestExpression(Twig_Node $node)
+ {
+ return new Twig_Node_Expression_Unary_Not($this->parseTestExpression($node), $this->parser->getCurrentToken()->getLine());
+ }
+
+ private function parseTestExpression(Twig_Node $node)
+ {
+ $stream = $this->parser->getStream();
+ list($name, $test) = $this->getTest($node->getTemplateLine());
+
+ $class = $this->getTestNodeClass($test);
+ $arguments = null;
+ if ($stream->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
+ $arguments = $this->parser->getExpressionParser()->parseArguments(true);
+ }
+
+ return new $class($node, $name, $arguments, $this->parser->getCurrentToken()->getLine());
+ }
+
+ private function getTest($line)
+ {
+ $stream = $this->parser->getStream();
+ $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+
+ if ($test = $this->env->getTest($name)) {
+ return array($name, $test);
+ }
+
+ if ($stream->test(Twig_Token::NAME_TYPE)) {
+ // try 2-words tests
+ $name = $name.' '.$this->parser->getCurrentToken()->getValue();
+
+ if ($test = $this->env->getTest($name)) {
+ $stream->next();
+
+ return array($name, $test);
+ }
+ }
+
+ $e = new Twig_Error_Syntax(sprintf('Unknown "%s" test.', $name), $line, $stream->getSourceContext());
+ $e->addSuggestions($name, array_keys($this->env->getTests()));
+
+ throw $e;
+ }
+
+ private function getTestNodeClass($test)
+ {
+ if ($test->isDeprecated()) {
+ $stream = $this->parser->getStream();
+ $message = sprintf('Twig Test "%s" is deprecated', $test->getName());
+
+ if (!is_bool($test->getDeprecatedVersion())) {
+ $message .= sprintf(' since version %s', $test->getDeprecatedVersion());
+ }
+ if ($test->getAlternative()) {
+ $message .= sprintf('. Use "%s" instead', $test->getAlternative());
+ }
+ $src = $stream->getSourceContext();
+ $message .= sprintf(' in %s at line %d.', $src->getPath() ?: $src->getName(), $stream->getCurrent()->getLine());
+
+ @trigger_error($message, E_USER_DEPRECATED);
+ }
+
+ return $test->getNodeClass();
+ }
+
+ private function getFunctionNodeClass($name, $line)
+ {
+ if (false === $function = $this->env->getFunction($name)) {
+ $e = new Twig_Error_Syntax(sprintf('Unknown "%s" function.', $name), $line, $this->parser->getStream()->getSourceContext());
+ $e->addSuggestions($name, array_keys($this->env->getFunctions()));
+
+ throw $e;
+ }
+
+ if ($function->isDeprecated()) {
+ $message = sprintf('Twig Function "%s" is deprecated', $function->getName());
+ if (!is_bool($function->getDeprecatedVersion())) {
+ $message .= sprintf(' since version %s', $function->getDeprecatedVersion());
+ }
+ if ($function->getAlternative()) {
+ $message .= sprintf('. Use "%s" instead', $function->getAlternative());
+ }
+ $src = $this->parser->getStream()->getSourceContext();
+ $message .= sprintf(' in %s at line %d.', $src->getPath() ?: $src->getName(), $line);
+
+ @trigger_error($message, E_USER_DEPRECATED);
+ }
+
+ return $function->getNodeClass();
+ }
+
+ private function getFilterNodeClass($name, $line)
+ {
+ if (false === $filter = $this->env->getFilter($name)) {
+ $e = new Twig_Error_Syntax(sprintf('Unknown "%s" filter.', $name), $line, $this->parser->getStream()->getSourceContext());
+ $e->addSuggestions($name, array_keys($this->env->getFilters()));
+
+ throw $e;
+ }
+
+ if ($filter->isDeprecated()) {
+ $message = sprintf('Twig Filter "%s" is deprecated', $filter->getName());
+ if (!is_bool($filter->getDeprecatedVersion())) {
+ $message .= sprintf(' since version %s', $filter->getDeprecatedVersion());
+ }
+ if ($filter->getAlternative()) {
+ $message .= sprintf('. Use "%s" instead', $filter->getAlternative());
+ }
+ $src = $this->parser->getStream()->getSourceContext();
+ $message .= sprintf(' in %s at line %d.', $src->getPath() ?: $src->getName(), $line);
+
+ @trigger_error($message, E_USER_DEPRECATED);
+ }
+
+ return $filter->getNodeClass();
+ }
+
+ // checks that the node only contains "constant" elements
+ private function checkConstantExpression(Twig_Node $node)
+ {
+ if (!($node instanceof Twig_Node_Expression_Constant || $node instanceof Twig_Node_Expression_Array
+ || $node instanceof Twig_Node_Expression_Unary_Neg || $node instanceof Twig_Node_Expression_Unary_Pos
+ )) {
+ return false;
+ }
+
+ foreach ($node as $n) {
+ if (!$this->checkConstantExpression($n)) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+}
diff --git a/lib/Twig/Extension.php b/lib/Twig/Extension.php
new file mode 100644
index 0000000..39dc4d4
--- /dev/null
+++ b/lib/Twig/Extension.php
@@ -0,0 +1,42 @@
+escapers[$strategy] = $callable;
+ }
+
+ /**
+ * Gets all defined escapers.
+ *
+ * @return callable[] An array of escapers
+ */
+ public function getEscapers()
+ {
+ return $this->escapers;
+ }
+
+ /**
+ * Sets the default format to be used by the date filter.
+ *
+ * @param string $format The default date format string
+ * @param string $dateIntervalFormat The default date interval format string
+ */
+ public function setDateFormat($format = null, $dateIntervalFormat = null)
+ {
+ if (null !== $format) {
+ $this->dateFormats[0] = $format;
+ }
+
+ if (null !== $dateIntervalFormat) {
+ $this->dateFormats[1] = $dateIntervalFormat;
+ }
+ }
+
+ /**
+ * Gets the default format to be used by the date filter.
+ *
+ * @return array The default date format string and the default date interval format string
+ */
+ public function getDateFormat()
+ {
+ return $this->dateFormats;
+ }
+
+ /**
+ * Sets the default timezone to be used by the date filter.
+ *
+ * @param DateTimeZone|string $timezone The default timezone string or a DateTimeZone object
+ */
+ public function setTimezone($timezone)
+ {
+ $this->timezone = $timezone instanceof DateTimeZone ? $timezone : new DateTimeZone($timezone);
+ }
+
+ /**
+ * Gets the default timezone to be used by the date filter.
+ *
+ * @return DateTimeZone The default timezone currently in use
+ */
+ public function getTimezone()
+ {
+ if (null === $this->timezone) {
+ $this->timezone = new DateTimeZone(date_default_timezone_get());
+ }
+
+ return $this->timezone;
+ }
+
+ /**
+ * Sets the default format to be used by the number_format filter.
+ *
+ * @param int $decimal the number of decimal places to use
+ * @param string $decimalPoint the character(s) to use for the decimal point
+ * @param string $thousandSep the character(s) to use for the thousands separator
+ */
+ public function setNumberFormat($decimal, $decimalPoint, $thousandSep)
+ {
+ $this->numberFormat = array($decimal, $decimalPoint, $thousandSep);
+ }
+
+ /**
+ * Get the default format used by the number_format filter.
+ *
+ * @return array The arguments for number_format()
+ */
+ public function getNumberFormat()
+ {
+ return $this->numberFormat;
+ }
+
+ public function getTokenParsers()
+ {
+ return array(
+ new Twig_TokenParser_For(),
+ new Twig_TokenParser_If(),
+ new Twig_TokenParser_Extends(),
+ new Twig_TokenParser_Include(),
+ new Twig_TokenParser_Block(),
+ new Twig_TokenParser_Use(),
+ new Twig_TokenParser_Filter(),
+ new Twig_TokenParser_Macro(),
+ new Twig_TokenParser_Import(),
+ new Twig_TokenParser_From(),
+ new Twig_TokenParser_Set(),
+ new Twig_TokenParser_Spaceless(),
+ new Twig_TokenParser_Flush(),
+ new Twig_TokenParser_Do(),
+ new Twig_TokenParser_Embed(),
+ new Twig_TokenParser_With(),
+ );
+ }
+
+ public function getFilters()
+ {
+ return array(
+ // formatting filters
+ new Twig_Filter('date', 'twig_date_format_filter', array('needs_environment' => true)),
+ new Twig_Filter('date_modify', 'twig_date_modify_filter', array('needs_environment' => true)),
+ new Twig_Filter('format', 'sprintf'),
+ new Twig_Filter('replace', 'twig_replace_filter'),
+ new Twig_Filter('number_format', 'twig_number_format_filter', array('needs_environment' => true)),
+ new Twig_Filter('abs', 'abs'),
+ new Twig_Filter('round', 'twig_round'),
+
+ // encoding
+ new Twig_Filter('url_encode', 'twig_urlencode_filter'),
+ new Twig_Filter('json_encode', 'json_encode'),
+ new Twig_Filter('convert_encoding', 'twig_convert_encoding'),
+
+ // string filters
+ new Twig_Filter('title', 'twig_title_string_filter', array('needs_environment' => true)),
+ new Twig_Filter('capitalize', 'twig_capitalize_string_filter', array('needs_environment' => true)),
+ new Twig_Filter('upper', 'twig_upper_filter', array('needs_environment' => true)),
+ new Twig_Filter('lower', 'twig_lower_filter', array('needs_environment' => true)),
+ new Twig_Filter('striptags', 'strip_tags'),
+ new Twig_Filter('trim', 'trim'),
+ new Twig_Filter('nl2br', 'nl2br', array('pre_escape' => 'html', 'is_safe' => array('html'))),
+
+ // array helpers
+ new Twig_Filter('join', 'twig_join_filter'),
+ new Twig_Filter('split', 'twig_split_filter', array('needs_environment' => true)),
+ new Twig_Filter('sort', 'twig_sort_filter'),
+ new Twig_Filter('merge', 'twig_array_merge'),
+ new Twig_Filter('batch', 'twig_array_batch'),
+
+ // string/array filters
+ new Twig_Filter('reverse', 'twig_reverse_filter', array('needs_environment' => true)),
+ new Twig_Filter('length', 'twig_length_filter', array('needs_environment' => true)),
+ new Twig_Filter('slice', 'twig_slice', array('needs_environment' => true)),
+ new Twig_Filter('first', 'twig_first', array('needs_environment' => true)),
+ new Twig_Filter('last', 'twig_last', array('needs_environment' => true)),
+
+ // iteration and runtime
+ new Twig_Filter('default', '_twig_default_filter', array('node_class' => 'Twig_Node_Expression_Filter_Default')),
+ new Twig_Filter('keys', 'twig_get_array_keys_filter'),
+
+ // escaping
+ new Twig_Filter('escape', 'twig_escape_filter', array('needs_environment' => true, 'is_safe_callback' => 'twig_escape_filter_is_safe')),
+ new Twig_Filter('e', 'twig_escape_filter', array('needs_environment' => true, 'is_safe_callback' => 'twig_escape_filter_is_safe')),
+ );
+ }
+
+ public function getFunctions()
+ {
+ return array(
+ new Twig_Function('max', 'max'),
+ new Twig_Function('min', 'min'),
+ new Twig_Function('range', 'range'),
+ new Twig_Function('constant', 'twig_constant'),
+ new Twig_Function('cycle', 'twig_cycle'),
+ new Twig_Function('random', 'twig_random', array('needs_environment' => true)),
+ new Twig_Function('date', 'twig_date_converter', array('needs_environment' => true)),
+ new Twig_Function('include', 'twig_include', array('needs_environment' => true, 'needs_context' => true, 'is_safe' => array('all'))),
+ new Twig_Function('source', 'twig_source', array('needs_environment' => true, 'is_safe' => array('all'))),
+ );
+ }
+
+ public function getTests()
+ {
+ return array(
+ new Twig_Test('even', null, array('node_class' => 'Twig_Node_Expression_Test_Even')),
+ new Twig_Test('odd', null, array('node_class' => 'Twig_Node_Expression_Test_Odd')),
+ new Twig_Test('defined', null, array('node_class' => 'Twig_Node_Expression_Test_Defined')),
+ new Twig_Test('same as', null, array('node_class' => 'Twig_Node_Expression_Test_Sameas')),
+ new Twig_Test('none', null, array('node_class' => 'Twig_Node_Expression_Test_Null')),
+ new Twig_Test('null', null, array('node_class' => 'Twig_Node_Expression_Test_Null')),
+ new Twig_Test('divisible by', null, array('node_class' => 'Twig_Node_Expression_Test_Divisibleby')),
+ new Twig_Test('constant', null, array('node_class' => 'Twig_Node_Expression_Test_Constant')),
+ new Twig_Test('empty', 'twig_test_empty'),
+ new Twig_Test('iterable', 'twig_test_iterable'),
+ );
+ }
+
+ public function getOperators()
+ {
+ return array(
+ array(
+ 'not' => array('precedence' => 50, 'class' => 'Twig_Node_Expression_Unary_Not'),
+ '-' => array('precedence' => 500, 'class' => 'Twig_Node_Expression_Unary_Neg'),
+ '+' => array('precedence' => 500, 'class' => 'Twig_Node_Expression_Unary_Pos'),
+ ),
+ array(
+ 'or' => array('precedence' => 10, 'class' => 'Twig_Node_Expression_Binary_Or', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'and' => array('precedence' => 15, 'class' => 'Twig_Node_Expression_Binary_And', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'b-or' => array('precedence' => 16, 'class' => 'Twig_Node_Expression_Binary_BitwiseOr', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'b-xor' => array('precedence' => 17, 'class' => 'Twig_Node_Expression_Binary_BitwiseXor', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'b-and' => array('precedence' => 18, 'class' => 'Twig_Node_Expression_Binary_BitwiseAnd', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '==' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Equal', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '!=' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_NotEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '<' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Less', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '>' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Greater', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '>=' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_GreaterEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '<=' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_LessEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'not in' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_NotIn', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'in' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_In', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'matches' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Matches', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'starts with' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_StartsWith', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'ends with' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_EndsWith', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '..' => array('precedence' => 25, 'class' => 'Twig_Node_Expression_Binary_Range', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '+' => array('precedence' => 30, 'class' => 'Twig_Node_Expression_Binary_Add', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '-' => array('precedence' => 30, 'class' => 'Twig_Node_Expression_Binary_Sub', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '~' => array('precedence' => 40, 'class' => 'Twig_Node_Expression_Binary_Concat', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '*' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_Mul', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '/' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_Div', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '//' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_FloorDiv', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '%' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_Mod', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'is' => array('precedence' => 100, 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'is not' => array('precedence' => 100, 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '**' => array('precedence' => 200, 'class' => 'Twig_Node_Expression_Binary_Power', 'associativity' => Twig_ExpressionParser::OPERATOR_RIGHT),
+ '??' => array('precedence' => 300, 'class' => 'Twig_Node_Expression_NullCoalesce', 'associativity' => Twig_ExpressionParser::OPERATOR_RIGHT),
+ ),
+ );
+ }
+}
+
+/**
+ * Cycles over a value.
+ *
+ * @param ArrayAccess|array $values
+ * @param int $position The cycle position
+ *
+ * @return string The next value in the cycle
+ */
+function twig_cycle($values, $position)
+{
+ if (!is_array($values) && !$values instanceof ArrayAccess) {
+ return $values;
+ }
+
+ return $values[$position % count($values)];
+}
+
+/**
+ * Returns a random value depending on the supplied parameter type:
+ * - a random item from a Traversable or array
+ * - a random character from a string
+ * - a random integer between 0 and the integer parameter.
+ *
+ * @param Twig_Environment $env
+ * @param Traversable|array|int|float|string $values The values to pick a random item from
+ *
+ * @throws Twig_Error_Runtime when $values is an empty array (does not apply to an empty string which is returned as is)
+ *
+ * @return mixed A random value from the given sequence
+ */
+function twig_random(Twig_Environment $env, $values = null)
+{
+ if (null === $values) {
+ return mt_rand();
+ }
+
+ if (is_int($values) || is_float($values)) {
+ return $values < 0 ? mt_rand($values, 0) : mt_rand(0, $values);
+ }
+
+ if ($values instanceof Traversable) {
+ $values = iterator_to_array($values);
+ } elseif (is_string($values)) {
+ if ('' === $values) {
+ return '';
+ }
+
+ $charset = $env->getCharset();
+
+ if ('UTF-8' !== $charset) {
+ $values = iconv($charset, 'UTF-8', $values);
+ }
+
+ // unicode version of str_split()
+ // split at all positions, but not after the start and not before the end
+ $values = preg_split('/(? $value) {
+ $values[$i] = iconv('UTF-8', $charset, $value);
+ }
+ }
+ }
+
+ if (!is_array($values)) {
+ return $values;
+ }
+
+ if (0 === count($values)) {
+ throw new Twig_Error_Runtime('The random function cannot pick from an empty array.');
+ }
+
+ return $values[array_rand($values, 1)];
+}
+
+/**
+ * Converts a date to the given format.
+ *
+ *
+ * {{ post.published_at|date("m/d/Y") }}
+ *
+ *
+ * @param Twig_Environment $env
+ * @param DateTimeInterface|DateInterval|string $date A date
+ * @param string|null $format The target format, null to use the default
+ * @param DateTimeZone|string|null|false $timezone The target timezone, null to use the default, false to leave unchanged
+ *
+ * @return string The formatted date
+ */
+function twig_date_format_filter(Twig_Environment $env, $date, $format = null, $timezone = null)
+{
+ if (null === $format) {
+ $formats = $env->getExtension('Twig_Extension_Core')->getDateFormat();
+ $format = $date instanceof DateInterval ? $formats[1] : $formats[0];
+ }
+
+ if ($date instanceof DateInterval) {
+ return $date->format($format);
+ }
+
+ return twig_date_converter($env, $date, $timezone)->format($format);
+}
+
+/**
+ * Returns a new date object modified.
+ *
+ *
+ * {{ post.published_at|date_modify("-1day")|date("m/d/Y") }}
+ *
+ *
+ * @param Twig_Environment $env
+ * @param DateTimeInterface|string $date A date
+ * @param string $modifier A modifier string
+ *
+ * @return DateTimeInterface A new date object
+ */
+function twig_date_modify_filter(Twig_Environment $env, $date, $modifier)
+{
+ $date = twig_date_converter($env, $date, false);
+
+ return $date->modify($modifier);
+}
+
+/**
+ * Converts an input to a DateTime instance.
+ *
+ *
+ * {% if date(user.created_at) < date('+2days') %}
+ * {# do something #}
+ * {% endif %}
+ *
+ *
+ * @param Twig_Environment $env
+ * @param DateTimeInterface|string|null $date A date or null to use the current time
+ * @param DateTimeZone|string|null|false $timezone The target timezone, null to use the default, false to leave unchanged
+ *
+ * @return DateTime A DateTime instance
+ */
+function twig_date_converter(Twig_Environment $env, $date = null, $timezone = null)
+{
+ // determine the timezone
+ if (false !== $timezone) {
+ if (null === $timezone) {
+ $timezone = $env->getExtension('Twig_Extension_Core')->getTimezone();
+ } elseif (!$timezone instanceof DateTimeZone) {
+ $timezone = new DateTimeZone($timezone);
+ }
+ }
+
+ // immutable dates
+ if ($date instanceof DateTimeImmutable) {
+ return false !== $timezone ? $date->setTimezone($timezone) : $date;
+ }
+
+ if ($date instanceof DateTimeInterface) {
+ $date = clone $date;
+ if (false !== $timezone) {
+ $date->setTimezone($timezone);
+ }
+
+ return $date;
+ }
+
+ if (null === $date || 'now' === $date) {
+ return new DateTime($date, false !== $timezone ? $timezone : $env->getExtension('Twig_Extension_Core')->getTimezone());
+ }
+
+ $asString = (string) $date;
+ if (ctype_digit($asString) || (!empty($asString) && '-' === $asString[0] && ctype_digit(substr($asString, 1)))) {
+ $date = new DateTime('@'.$date);
+ } else {
+ $date = new DateTime($date, $env->getExtension('Twig_Extension_Core')->getTimezone());
+ }
+
+ if (false !== $timezone) {
+ $date->setTimezone($timezone);
+ }
+
+ return $date;
+}
+
+/**
+ * Replaces strings within a string.
+ *
+ * @param string $str String to replace in
+ * @param array|Traversable $from Replace values
+ *
+ * @return string
+ */
+function twig_replace_filter($str, $from)
+{
+ if ($from instanceof Traversable) {
+ $from = iterator_to_array($from);
+ } elseif (!is_array($from)) {
+ throw new Twig_Error_Runtime(sprintf('The "replace" filter expects an array or "Traversable" as replace values, got "%s".', is_object($from) ? get_class($from) : gettype($from)));
+ }
+
+ return strtr($str, $from);
+}
+
+/**
+ * Rounds a number.
+ *
+ * @param int|float $value The value to round
+ * @param int|float $precision The rounding precision
+ * @param string $method The method to use for rounding
+ *
+ * @return int|float The rounded number
+ */
+function twig_round($value, $precision = 0, $method = 'common')
+{
+ if ('common' == $method) {
+ return round($value, $precision);
+ }
+
+ if ('ceil' != $method && 'floor' != $method) {
+ throw new Twig_Error_Runtime('The round filter only supports the "common", "ceil", and "floor" methods.');
+ }
+
+ return $method($value * pow(10, $precision)) / pow(10, $precision);
+}
+
+/**
+ * Number format filter.
+ *
+ * All of the formatting options can be left null, in that case the defaults will
+ * be used. Supplying any of the parameters will override the defaults set in the
+ * environment object.
+ *
+ * @param Twig_Environment $env
+ * @param mixed $number A float/int/string of the number to format
+ * @param int $decimal the number of decimal points to display
+ * @param string $decimalPoint the character(s) to use for the decimal point
+ * @param string $thousandSep the character(s) to use for the thousands separator
+ *
+ * @return string The formatted number
+ */
+function twig_number_format_filter(Twig_Environment $env, $number, $decimal = null, $decimalPoint = null, $thousandSep = null)
+{
+ $defaults = $env->getExtension('Twig_Extension_Core')->getNumberFormat();
+ if (null === $decimal) {
+ $decimal = $defaults[0];
+ }
+
+ if (null === $decimalPoint) {
+ $decimalPoint = $defaults[1];
+ }
+
+ if (null === $thousandSep) {
+ $thousandSep = $defaults[2];
+ }
+
+ return number_format((float) $number, $decimal, $decimalPoint, $thousandSep);
+}
+
+/**
+ * URL encodes (RFC 3986) a string as a path segment or an array as a query string.
+ *
+ * @param string|array $url A URL or an array of query parameters
+ *
+ * @return string The URL encoded value
+ */
+function twig_urlencode_filter($url)
+{
+ if (is_array($url)) {
+ return http_build_query($url, '', '&', PHP_QUERY_RFC3986);
+ }
+
+ return rawurlencode($url);
+}
+
+/**
+ * Merges an array with another one.
+ *
+ *
+ * {% set items = { 'apple': 'fruit', 'orange': 'fruit' } %}
+ *
+ * {% set items = items|merge({ 'peugeot': 'car' }) %}
+ *
+ * {# items now contains { 'apple': 'fruit', 'orange': 'fruit', 'peugeot': 'car' } #}
+ *
+ *
+ * @param array|Traversable $arr1 An array
+ * @param array|Traversable $arr2 An array
+ *
+ * @return array The merged array
+ */
+function twig_array_merge($arr1, $arr2)
+{
+ if ($arr1 instanceof Traversable) {
+ $arr1 = iterator_to_array($arr1);
+ } elseif (!is_array($arr1)) {
+ throw new Twig_Error_Runtime(sprintf('The merge filter only works with arrays or "Traversable", got "%s" as first argument.', gettype($arr1)));
+ }
+
+ if ($arr2 instanceof Traversable) {
+ $arr2 = iterator_to_array($arr2);
+ } elseif (!is_array($arr2)) {
+ throw new Twig_Error_Runtime(sprintf('The merge filter only works with arrays or "Traversable", got "%s" as second argument.', gettype($arr2)));
+ }
+
+ return array_merge($arr1, $arr2);
+}
+
+/**
+ * Slices a variable.
+ *
+ * @param Twig_Environment $env
+ * @param mixed $item A variable
+ * @param int $start Start of the slice
+ * @param int $length Size of the slice
+ * @param bool $preserveKeys Whether to preserve key or not (when the input is an array)
+ *
+ * @return mixed The sliced variable
+ */
+function twig_slice(Twig_Environment $env, $item, $start, $length = null, $preserveKeys = false)
+{
+ if ($item instanceof Traversable) {
+ while ($item instanceof IteratorAggregate) {
+ $item = $item->getIterator();
+ }
+
+ if ($start >= 0 && $length >= 0 && $item instanceof Iterator) {
+ try {
+ return iterator_to_array(new LimitIterator($item, $start, $length === null ? -1 : $length), $preserveKeys);
+ } catch (OutOfBoundsException $exception) {
+ return array();
+ }
+ }
+
+ $item = iterator_to_array($item, $preserveKeys);
+ }
+
+ if (is_array($item)) {
+ return array_slice($item, $start, $length, $preserveKeys);
+ }
+
+ $item = (string) $item;
+
+ return (string) mb_substr($item, $start, null === $length ? mb_strlen($item, $env->getCharset()) - $start : $length, $env->getCharset());
+}
+
+/**
+ * Returns the first element of the item.
+ *
+ * @param Twig_Environment $env
+ * @param mixed $item A variable
+ *
+ * @return mixed The first element of the item
+ */
+function twig_first(Twig_Environment $env, $item)
+{
+ $elements = twig_slice($env, $item, 0, 1, false);
+
+ return is_string($elements) ? $elements : current($elements);
+}
+
+/**
+ * Returns the last element of the item.
+ *
+ * @param Twig_Environment $env
+ * @param mixed $item A variable
+ *
+ * @return mixed The last element of the item
+ */
+function twig_last(Twig_Environment $env, $item)
+{
+ $elements = twig_slice($env, $item, -1, 1, false);
+
+ return is_string($elements) ? $elements : current($elements);
+}
+
+/**
+ * Joins the values to a string.
+ *
+ * The separator between elements is an empty string per default, you can define it with the optional parameter.
+ *
+ *
+ * {{ [1, 2, 3]|join('|') }}
+ * {# returns 1|2|3 #}
+ *
+ * {{ [1, 2, 3]|join }}
+ * {# returns 123 #}
+ *
+ *
+ * @param array $value An array
+ * @param string $glue The separator
+ *
+ * @return string The concatenated string
+ */
+function twig_join_filter($value, $glue = '')
+{
+ if ($value instanceof Traversable) {
+ $value = iterator_to_array($value, false);
+ }
+
+ return implode($glue, (array) $value);
+}
+
+/**
+ * Splits the string into an array.
+ *
+ *
+ * {{ "one,two,three"|split(',') }}
+ * {# returns [one, two, three] #}
+ *
+ * {{ "one,two,three,four,five"|split(',', 3) }}
+ * {# returns [one, two, "three,four,five"] #}
+ *
+ * {{ "123"|split('') }}
+ * {# returns [1, 2, 3] #}
+ *
+ * {{ "aabbcc"|split('', 2) }}
+ * {# returns [aa, bb, cc] #}
+ *
+ *
+ * @param Twig_Environment $env
+ * @param string $value A string
+ * @param string $delimiter The delimiter
+ * @param int $limit The limit
+ *
+ * @return array The split string as an array
+ */
+function twig_split_filter(Twig_Environment $env, $value, $delimiter, $limit = null)
+{
+ if (!empty($delimiter)) {
+ return null === $limit ? explode($delimiter, $value) : explode($delimiter, $value, $limit);
+ }
+
+ if ($limit <= 1) {
+ return preg_split('/(?getCharset());
+ if ($length < $limit) {
+ return array($value);
+ }
+
+ $r = array();
+ for ($i = 0; $i < $length; $i += $limit) {
+ $r[] = mb_substr($value, $i, $limit, $env->getCharset());
+ }
+
+ return $r;
+}
+
+// The '_default' filter is used internally to avoid using the ternary operator
+// which costs a lot for big contexts (before PHP 5.4). So, on average,
+// a function call is cheaper.
+/**
+ * @internal
+ */
+function _twig_default_filter($value, $default = '')
+{
+ if (twig_test_empty($value)) {
+ return $default;
+ }
+
+ return $value;
+}
+
+/**
+ * Returns the keys for the given array.
+ *
+ * It is useful when you want to iterate over the keys of an array:
+ *
+ *
+ * {% for key in array|keys %}
+ * {# ... #}
+ * {% endfor %}
+ *
+ *
+ * @param array $array An array
+ *
+ * @return array The keys
+ */
+function twig_get_array_keys_filter($array)
+{
+ if ($array instanceof Traversable) {
+ while ($array instanceof IteratorAggregate) {
+ $array = $array->getIterator();
+ }
+
+ if ($array instanceof Iterator) {
+ $keys = array();
+ $array->rewind();
+ while ($array->valid()) {
+ $keys[] = $array->key();
+ $array->next();
+ }
+
+ return $keys;
+ }
+
+ $keys = array();
+ foreach ($array as $key => $item) {
+ $keys[] = $key;
+ }
+
+ return $keys;
+ }
+
+ if (!is_array($array)) {
+ return array();
+ }
+
+ return array_keys($array);
+}
+
+/**
+ * Reverses a variable.
+ *
+ * @param Twig_Environment $env
+ * @param array|Traversable|string $item An array, a Traversable instance, or a string
+ * @param bool $preserveKeys Whether to preserve key or not
+ *
+ * @return mixed The reversed input
+ */
+function twig_reverse_filter(Twig_Environment $env, $item, $preserveKeys = false)
+{
+ if ($item instanceof Traversable) {
+ return array_reverse(iterator_to_array($item), $preserveKeys);
+ }
+
+ if (is_array($item)) {
+ return array_reverse($item, $preserveKeys);
+ }
+
+ $string = (string) $item;
+
+ $charset = $env->getCharset();
+
+ if ('UTF-8' !== $charset) {
+ $item = iconv($charset, 'UTF-8', $string);
+ }
+
+ preg_match_all('/./us', $item, $matches);
+
+ $string = implode('', array_reverse($matches[0]));
+
+ if ('UTF-8' !== $charset) {
+ $string = iconv('UTF-8', $charset, $string);
+ }
+
+ return $string;
+}
+
+/**
+ * Sorts an array.
+ *
+ * @param array|Traversable $array
+ *
+ * @return array
+ */
+function twig_sort_filter($array)
+{
+ if ($array instanceof Traversable) {
+ $array = iterator_to_array($array);
+ } elseif (!is_array($array)) {
+ throw new Twig_Error_Runtime(sprintf('The sort filter only works with arrays or "Traversable", got "%s".', gettype($array)));
+ }
+
+ asort($array);
+
+ return $array;
+}
+
+/**
+ * @internal
+ */
+function twig_in_filter($value, $compare)
+{
+ if (is_array($compare)) {
+ return in_array($value, $compare, is_object($value) || is_resource($value));
+ } elseif (is_string($compare) && (is_string($value) || is_int($value) || is_float($value))) {
+ return '' === $value || false !== strpos($compare, (string) $value);
+ } elseif ($compare instanceof Traversable) {
+ if (is_object($value) || is_resource($value)) {
+ foreach ($compare as $item) {
+ if ($item === $value) {
+ return true;
+ }
+ }
+ } else {
+ foreach ($compare as $item) {
+ if ($item == $value) {
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+ return false;
+}
+
+/**
+ * Escapes a string.
+ *
+ * @param Twig_Environment $env
+ * @param mixed $string The value to be escaped
+ * @param string $strategy The escaping strategy
+ * @param string $charset The charset
+ * @param bool $autoescape Whether the function is called by the auto-escaping feature (true) or by the developer (false)
+ *
+ * @return string
+ */
+function twig_escape_filter(Twig_Environment $env, $string, $strategy = 'html', $charset = null, $autoescape = false)
+{
+ if ($autoescape && $string instanceof Twig_Markup) {
+ return $string;
+ }
+
+ if (!is_string($string)) {
+ if (is_object($string) && method_exists($string, '__toString')) {
+ $string = (string) $string;
+ } elseif (in_array($strategy, array('html', 'js', 'css', 'html_attr', 'url'))) {
+ return $string;
+ }
+ }
+
+ if (null === $charset) {
+ $charset = $env->getCharset();
+ }
+
+ switch ($strategy) {
+ case 'html':
+ // see http://php.net/htmlspecialchars
+
+ // Using a static variable to avoid initializing the array
+ // each time the function is called. Moving the declaration on the
+ // top of the function slow downs other escaping strategies.
+ static $htmlspecialcharsCharsets;
+
+ if (null === $htmlspecialcharsCharsets) {
+ if (defined('HHVM_VERSION')) {
+ $htmlspecialcharsCharsets = array('utf-8' => true, 'UTF-8' => true);
+ } else {
+ $htmlspecialcharsCharsets = array(
+ 'ISO-8859-1' => true, 'ISO8859-1' => true,
+ 'ISO-8859-15' => true, 'ISO8859-15' => true,
+ 'utf-8' => true, 'UTF-8' => true,
+ 'CP866' => true, 'IBM866' => true, '866' => true,
+ 'CP1251' => true, 'WINDOWS-1251' => true, 'WIN-1251' => true,
+ '1251' => true,
+ 'CP1252' => true, 'WINDOWS-1252' => true, '1252' => true,
+ 'KOI8-R' => true, 'KOI8-RU' => true, 'KOI8R' => true,
+ 'BIG5' => true, '950' => true,
+ 'GB2312' => true, '936' => true,
+ 'BIG5-HKSCS' => true,
+ 'SHIFT_JIS' => true, 'SJIS' => true, '932' => true,
+ 'EUC-JP' => true, 'EUCJP' => true,
+ 'ISO8859-5' => true, 'ISO-8859-5' => true, 'MACROMAN' => true,
+ );
+ }
+ }
+
+ if (isset($htmlspecialcharsCharsets[$charset])) {
+ return htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, $charset);
+ }
+
+ if (isset($htmlspecialcharsCharsets[strtoupper($charset)])) {
+ // cache the lowercase variant for future iterations
+ $htmlspecialcharsCharsets[$charset] = true;
+
+ return htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, $charset);
+ }
+
+ $string = iconv($charset, 'UTF-8', $string);
+ $string = htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
+
+ return iconv('UTF-8', $charset, $string);
+
+ case 'js':
+ // escape all non-alphanumeric characters
+ // into their \xHH or \uHHHH representations
+ if ('UTF-8' !== $charset) {
+ $string = iconv($charset, 'UTF-8', $string);
+ }
+
+ if (0 == strlen($string) ? false : 1 !== preg_match('/^./su', $string)) {
+ throw new Twig_Error_Runtime('The string to escape is not a valid UTF-8 string.');
+ }
+
+ $string = preg_replace_callback('#[^a-zA-Z0-9,\._]#Su', function ($matches) {
+ $char = $matches[0];
+
+ // \xHH
+ if (!isset($char[1])) {
+ return '\\x'.strtoupper(substr('00'.bin2hex($char), -2));
+ }
+
+ // \uHHHH
+ $char = twig_convert_encoding($char, 'UTF-16BE', 'UTF-8');
+
+ return '\\u'.strtoupper(substr('0000'.bin2hex($char), -4));
+ }, $string);
+
+ if ('UTF-8' !== $charset) {
+ $string = iconv('UTF-8', $charset, $string);
+ }
+
+ return $string;
+
+ case 'css':
+ if ('UTF-8' !== $charset) {
+ $string = iconv($charset, 'UTF-8', $string);
+ }
+
+ if (0 == strlen($string) ? false : 1 !== preg_match('/^./su', $string)) {
+ throw new Twig_Error_Runtime('The string to escape is not a valid UTF-8 string.');
+ }
+
+ $string = preg_replace_callback('#[^a-zA-Z0-9]#Su', function ($matches) {
+ $char = $matches[0];
+
+ // \xHH
+ if (!isset($char[1])) {
+ $hex = ltrim(strtoupper(bin2hex($char)), '0');
+ if (0 === strlen($hex)) {
+ $hex = '0';
+ }
+
+ return '\\'.$hex.' ';
+ }
+
+ // \uHHHH
+ $char = twig_convert_encoding($char, 'UTF-16BE', 'UTF-8');
+
+ return '\\'.ltrim(strtoupper(bin2hex($char)), '0').' ';
+ }, $string);
+
+ if ('UTF-8' !== $charset) {
+ $string = iconv('UTF-8', $charset, $string);
+ }
+
+ return $string;
+
+ case 'html_attr':
+ if ('UTF-8' !== $charset) {
+ $string = iconv($charset, 'UTF-8', $string);
+ }
+
+ if (0 == strlen($string) ? false : 1 !== preg_match('/^./su', $string)) {
+ throw new Twig_Error_Runtime('The string to escape is not a valid UTF-8 string.');
+ }
+
+ $string = preg_replace_callback('#[^a-zA-Z0-9,\.\-_]#Su', function ($matches) {
+ /**
+ * This function is adapted from code coming from Zend Framework.
+ *
+ * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+ /*
+ * While HTML supports far more named entities, the lowest common denominator
+ * has become HTML5's XML Serialisation which is restricted to the those named
+ * entities that XML supports. Using HTML entities would result in this error:
+ * XML Parsing Error: undefined entity
+ */
+ static $entityMap = array(
+ 34 => 'quot', /* quotation mark */
+ 38 => 'amp', /* ampersand */
+ 60 => 'lt', /* less-than sign */
+ 62 => 'gt', /* greater-than sign */
+ );
+
+ $chr = $matches[0];
+ $ord = ord($chr);
+
+ /*
+ * The following replaces characters undefined in HTML with the
+ * hex entity for the Unicode replacement character.
+ */
+ if (($ord <= 0x1f && $chr != "\t" && $chr != "\n" && $chr != "\r") || ($ord >= 0x7f && $ord <= 0x9f)) {
+ return '�';
+ }
+
+ /*
+ * Check if the current character to escape has a name entity we should
+ * replace it with while grabbing the hex value of the character.
+ */
+ if (strlen($chr) == 1) {
+ $hex = strtoupper(substr('00'.bin2hex($chr), -2));
+ } else {
+ $chr = twig_convert_encoding($chr, 'UTF-16BE', 'UTF-8');
+ $hex = strtoupper(substr('0000'.bin2hex($chr), -4));
+ }
+
+ $int = hexdec($hex);
+ if (array_key_exists($int, $entityMap)) {
+ return sprintf('&%s;', $entityMap[$int]);
+ }
+
+ /*
+ * Per OWASP recommendations, we'll use hex entities for any other
+ * characters where a named entity does not exist.
+ */
+ return sprintf('&#x%s;', $hex);
+ }, $string);
+
+ if ('UTF-8' !== $charset) {
+ $string = iconv('UTF-8', $charset, $string);
+ }
+
+ return $string;
+
+ case 'url':
+ return rawurlencode($string);
+
+ default:
+ static $escapers;
+
+ if (null === $escapers) {
+ $escapers = $env->getExtension('Twig_Extension_Core')->getEscapers();
+ }
+
+ if (isset($escapers[$strategy])) {
+ return $escapers[$strategy]($env, $string, $charset);
+ }
+
+ $validStrategies = implode(', ', array_merge(array('html', 'js', 'url', 'css', 'html_attr'), array_keys($escapers)));
+
+ throw new Twig_Error_Runtime(sprintf('Invalid escaping strategy "%s" (valid ones: %s).', $strategy, $validStrategies));
+ }
+}
+
+/**
+ * @internal
+ */
+function twig_escape_filter_is_safe(Twig_Node $filterArgs)
+{
+ foreach ($filterArgs as $arg) {
+ if ($arg instanceof Twig_Node_Expression_Constant) {
+ return array($arg->getAttribute('value'));
+ }
+
+ return array();
+ }
+
+ return array('html');
+}
+
+function twig_convert_encoding($string, $to, $from)
+{
+ return iconv($from, $to, $string);
+}
+
+/**
+ * Returns the length of a variable.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param mixed $thing A variable
+ *
+ * @return int The length of the value
+ */
+function twig_length_filter(Twig_Environment $env, $thing)
+{
+ return is_scalar($thing) ? mb_strlen($thing, $env->getCharset()) : count($thing);
+}
+
+/**
+ * Converts a string to uppercase.
+ *
+ * @param Twig_Environment $env
+ * @param string $string A string
+ *
+ * @return string The uppercased string
+ */
+function twig_upper_filter(Twig_Environment $env, $string)
+{
+ return mb_strtoupper($string, $env->getCharset());
+}
+
+/**
+ * Converts a string to lowercase.
+ *
+ * @param Twig_Environment $env
+ * @param string $string A string
+ *
+ * @return string The lowercased string
+ */
+function twig_lower_filter(Twig_Environment $env, $string)
+{
+ return mb_strtolower($string, $env->getCharset());
+}
+
+/**
+ * Returns a titlecased string.
+ *
+ * @param Twig_Environment $env
+ * @param string $string A string
+ *
+ * @return string The titlecased string
+ */
+function twig_title_string_filter(Twig_Environment $env, $string)
+{
+ return mb_convert_case($string, MB_CASE_TITLE, $env->getCharset());
+}
+
+/**
+ * Returns a capitalized string.
+ *
+ * @param Twig_Environment $env
+ * @param string $string A string
+ *
+ * @return string The capitalized string
+ */
+function twig_capitalize_string_filter(Twig_Environment $env, $string)
+{
+ $charset = $env->getCharset();
+
+ return mb_strtoupper(mb_substr($string, 0, 1, $charset), $charset).mb_strtolower(mb_substr($string, 1, 2147483647, $charset), $charset);
+}
+
+/**
+ * @internal
+ */
+function twig_ensure_traversable($seq)
+{
+ if ($seq instanceof Traversable || is_array($seq)) {
+ return $seq;
+ }
+
+ return array();
+}
+
+/**
+ * Checks if a variable is empty.
+ *
+ *
+ * {# evaluates to true if the foo variable is null, false, or the empty string #}
+ * {% if foo is empty %}
+ * {# ... #}
+ * {% endif %}
+ *
+ *
+ * @param mixed $value A variable
+ *
+ * @return bool true if the value is empty, false otherwise
+ */
+function twig_test_empty($value)
+{
+ if ($value instanceof Countable) {
+ return 0 == count($value);
+ }
+
+ return '' === $value || false === $value || null === $value || array() === $value;
+}
+
+/**
+ * Checks if a variable is traversable.
+ *
+ *
+ * {# evaluates to true if the foo variable is an array or a traversable object #}
+ * {% if foo is traversable %}
+ * {# ... #}
+ * {% endif %}
+ *
+ *
+ * @param mixed $value A variable
+ *
+ * @return bool true if the value is traversable
+ */
+function twig_test_iterable($value)
+{
+ return $value instanceof Traversable || is_array($value);
+}
+
+/**
+ * Renders a template.
+ *
+ * @param Twig_Environment $env
+ * @param array $context
+ * @param string|array $template The template to render or an array of templates to try consecutively
+ * @param array $variables The variables to pass to the template
+ * @param bool $withContext
+ * @param bool $ignoreMissing Whether to ignore missing templates or not
+ * @param bool $sandboxed Whether to sandbox the template or not
+ *
+ * @return string The rendered template
+ */
+function twig_include(Twig_Environment $env, $context, $template, $variables = array(), $withContext = true, $ignoreMissing = false, $sandboxed = false)
+{
+ $alreadySandboxed = false;
+ $sandbox = null;
+ if ($withContext) {
+ $variables = array_merge($context, $variables);
+ }
+
+ if ($isSandboxed = $sandboxed && $env->hasExtension('Twig_Extension_Sandbox')) {
+ $sandbox = $env->getExtension('Twig_Extension_Sandbox');
+ if (!$alreadySandboxed = $sandbox->isSandboxed()) {
+ $sandbox->enableSandbox();
+ }
+ }
+
+ $result = null;
+ try {
+ $result = $env->resolveTemplate($template)->render($variables);
+ } catch (Twig_Error_Loader $e) {
+ if (!$ignoreMissing) {
+ if ($isSandboxed && !$alreadySandboxed) {
+ $sandbox->disableSandbox();
+ }
+
+ throw $e;
+ }
+ } catch (Throwable $e) {
+ if ($isSandboxed && !$alreadySandboxed) {
+ $sandbox->disableSandbox();
+ }
+
+ throw $e;
+ } catch (Exception $e) {
+ if ($isSandboxed && !$alreadySandboxed) {
+ $sandbox->disableSandbox();
+ }
+
+ throw $e;
+ }
+
+ if ($isSandboxed && !$alreadySandboxed) {
+ $sandbox->disableSandbox();
+ }
+
+ return $result;
+}
+
+/**
+ * Returns a template content without rendering it.
+ *
+ * @param Twig_Environment $env
+ * @param string $name The template name
+ * @param bool $ignoreMissing Whether to ignore missing templates or not
+ *
+ * @return string The template source
+ */
+function twig_source(Twig_Environment $env, $name, $ignoreMissing = false)
+{
+ $loader = $env->getLoader();
+ try {
+ return $loader->getSourceContext($name)->getCode();
+ } catch (Twig_Error_Loader $e) {
+ if (!$ignoreMissing) {
+ throw $e;
+ }
+ }
+}
+
+/**
+ * Provides the ability to get constants from instances as well as class/global constants.
+ *
+ * @param string $constant The name of the constant
+ * @param null|object $object The object to get the constant from
+ *
+ * @return string
+ */
+function twig_constant($constant, $object = null)
+{
+ if (null !== $object) {
+ $constant = get_class($object).'::'.$constant;
+ }
+
+ return constant($constant);
+}
+
+/**
+ * Checks if a constant exists.
+ *
+ * @param string $constant The name of the constant
+ * @param null|object $object The object to get the constant from
+ *
+ * @return bool
+ */
+function twig_constant_is_defined($constant, $object = null)
+{
+ if (null !== $object) {
+ $constant = get_class($object).'::'.$constant;
+ }
+
+ return defined($constant);
+}
+
+/**
+ * Batches item.
+ *
+ * @param array $items An array of items
+ * @param int $size The size of the batch
+ * @param mixed $fill A value used to fill missing items
+ *
+ * @return array
+ */
+function twig_array_batch($items, $size, $fill = null)
+{
+ if ($items instanceof Traversable) {
+ $items = iterator_to_array($items, false);
+ }
+
+ $size = ceil($size);
+
+ $result = array_chunk($items, $size, true);
+
+ if (null !== $fill && !empty($result)) {
+ $last = count($result) - 1;
+ if ($fillCount = $size - count($result[$last])) {
+ $result[$last] = array_merge(
+ $result[$last],
+ array_fill(0, $fillCount, $fill)
+ );
+ }
+ }
+
+ return $result;
+}
+
+/**
+ * Returns the attribute value for a given array/object.
+ *
+ * @param mixed $object The object or array from where to get the item
+ * @param mixed $item The item to get from the array or object
+ * @param array $arguments An array of arguments to pass if the item is an object method
+ * @param string $type The type of attribute (@see Twig_Template constants)
+ * @param bool $isDefinedTest Whether this is only a defined check
+ * @param bool $ignoreStrictCheck Whether to ignore the strict attribute check or not
+ *
+ * @return mixed The attribute value, or a Boolean when $isDefinedTest is true, or null when the attribute is not set and $ignoreStrictCheck is true
+ *
+ * @throws Twig_Error_Runtime if the attribute does not exist and Twig is running in strict mode and $isDefinedTest is false
+ *
+ * @internal
+ */
+function twig_get_attribute(Twig_Environment $env, Twig_Source $source, $object, $item, array $arguments = array(), $type = Twig_Template::ANY_CALL, $isDefinedTest = false, $ignoreStrictCheck = false)
+{
+ static $cache = array();
+
+ // array
+ if (Twig_Template::METHOD_CALL !== $type) {
+ $arrayItem = is_bool($item) || is_float($item) ? (int) $item : $item;
+
+ if ((is_array($object) && (isset($object[$arrayItem]) || array_key_exists($arrayItem, $object)))
+ || ($object instanceof ArrayAccess && isset($object[$arrayItem]))
+ ) {
+ if ($isDefinedTest) {
+ return true;
+ }
+
+ return $object[$arrayItem];
+ }
+
+ if (Twig_Template::ARRAY_CALL === $type || !is_object($object)) {
+ if ($isDefinedTest) {
+ return false;
+ }
+
+ if ($ignoreStrictCheck || !$env->isStrictVariables()) {
+ return;
+ }
+
+ if ($object instanceof ArrayAccess) {
+ $message = sprintf('Key "%s" in object with ArrayAccess of class "%s" does not exist.', $arrayItem, get_class($object));
+ } elseif (is_object($object)) {
+ $message = sprintf('Impossible to access a key "%s" on an object of class "%s" that does not implement ArrayAccess interface.', $item, get_class($object));
+ } elseif (is_array($object)) {
+ if (empty($object)) {
+ $message = sprintf('Key "%s" does not exist as the array is empty.', $arrayItem);
+ } else {
+ $message = sprintf('Key "%s" for array with keys "%s" does not exist.', $arrayItem, implode(', ', array_keys($object)));
+ }
+ } elseif (Twig_Template::ARRAY_CALL === $type) {
+ if (null === $object) {
+ $message = sprintf('Impossible to access a key ("%s") on a null variable.', $item);
+ } else {
+ $message = sprintf('Impossible to access a key ("%s") on a %s variable ("%s").', $item, gettype($object), $object);
+ }
+ } elseif (null === $object) {
+ $message = sprintf('Impossible to access an attribute ("%s") on a null variable.', $item);
+ } else {
+ $message = sprintf('Impossible to access an attribute ("%s") on a %s variable ("%s").', $item, gettype($object), $object);
+ }
+
+ throw new Twig_Error_Runtime($message, -1, $source);
+ }
+ }
+
+ if (!is_object($object)) {
+ if ($isDefinedTest) {
+ return false;
+ }
+
+ if ($ignoreStrictCheck || !$env->isStrictVariables()) {
+ return;
+ }
+
+ if (null === $object) {
+ $message = sprintf('Impossible to invoke a method ("%s") on a null variable.', $item);
+ } else {
+ $message = sprintf('Impossible to invoke a method ("%s") on a %s variable ("%s").', $item, gettype($object), $object);
+ }
+
+ throw new Twig_Error_Runtime($message, -1, $source);
+ }
+
+ if ($object instanceof Twig_Template) {
+ throw new Twig_Error_Runtime('Accessing Twig_Template attributes is forbidden.');
+ }
+
+ // object property
+ if (Twig_Template::METHOD_CALL !== $type) {
+ if (isset($object->$item) || array_key_exists((string) $item, $object)) {
+ if ($isDefinedTest) {
+ return true;
+ }
+
+ if ($env->hasExtension('Twig_Extension_Sandbox')) {
+ $env->getExtension('Twig_Extension_Sandbox')->checkPropertyAllowed($object, $item);
+ }
+
+ return $object->$item;
+ }
+ }
+
+ $class = get_class($object);
+
+ // object method
+ // precedence: getXxx() > isXxx() > hasXxx()
+ if (!isset($cache[$class])) {
+ $methods = get_class_methods($object);
+ sort($methods);
+ $lcMethods = array_map('strtolower', $methods);
+ $cache = array();
+ foreach ($methods as $i => $method) {
+ $cache[$method] = $method;
+ $cache[$lcName = $lcMethods[$i]] = $method;
+
+ if ('g' === $lcName[0] && 0 === strpos($lcName, 'get')) {
+ $name = substr($method, 3);
+ $lcName = substr($lcName, 3);
+ } elseif ('i' === $lcName[0] && 0 === strpos($lcName, 'is')) {
+ $name = substr($method, 2);
+ $lcName = substr($lcName, 2);
+ } elseif ('h' === $lcName[0] && 0 === strpos($lcName, 'has')) {
+ $name = substr($method, 3);
+ $lcName = substr($lcName, 3);
+ if (in_array('is'.$lcName, $lcMethods)) {
+ continue;
+ }
+ } else {
+ continue;
+ }
+
+ if (!isset($cache[$name])) {
+ $cache[$name] = $method;
+ $cache[$lcName] = $method;
+ }
+ }
+ $cache[$class] = $cache;
+ }
+
+ $call = false;
+ if (isset($cache[$class][$item])) {
+ $method = $cache[$class][$item];
+ } elseif (isset($cache[$class][$lcItem = strtolower($item)])) {
+ $method = $cache[$class][$lcItem];
+ } elseif (isset($cache[$class]['__call'])) {
+ $method = $item;
+ $call = true;
+ } else {
+ if ($isDefinedTest) {
+ return false;
+ }
+
+ if ($ignoreStrictCheck || !$env->isStrictVariables()) {
+ return;
+ }
+
+ throw new Twig_Error_Runtime(sprintf('Neither the property "%1$s" nor one of the methods "%1$s()", "get%1$s()"/"is%1$s()"/"has%1$s()" or "__call()" exist and have public access in class "%2$s".', $item, $class), -1, $source);
+ }
+
+ if ($isDefinedTest) {
+ return true;
+ }
+
+ if ($env->hasExtension('Twig_Extension_Sandbox')) {
+ $env->getExtension('Twig_Extension_Sandbox')->checkMethodAllowed($object, $method);
+ }
+
+ // Some objects throw exceptions when they have __call, and the method we try
+ // to call is not supported. If ignoreStrictCheck is true, we should return null.
+ try {
+ $ret = $object->$method(...$arguments);
+ } catch (BadMethodCallException $e) {
+ if ($call && ($ignoreStrictCheck || !$env->isStrictVariables())) {
+ return;
+ }
+ throw $e;
+ }
+
+ return $ret;
+}
diff --git a/lib/Twig/Extension/Debug.php b/lib/Twig/Extension/Debug.php
new file mode 100644
index 0000000..3d64ba1
--- /dev/null
+++ b/lib/Twig/Extension/Debug.php
@@ -0,0 +1,54 @@
+ $isDumpOutputHtmlSafe ? array('html') : array(), 'needs_context' => true, 'needs_environment' => true)),
+ );
+ }
+}
+
+function twig_var_dump(Twig_Environment $env, $context, ...$vars)
+{
+ if (!$env->isDebug()) {
+ return;
+ }
+
+ ob_start();
+
+ if (!$vars) {
+ $vars = array();
+ foreach ($context as $key => $value) {
+ if (!$value instanceof Twig_Template) {
+ $vars[$key] = $value;
+ }
+ }
+
+ var_dump($vars);
+ } else {
+ var_dump(...$vars);
+ }
+
+ return ob_get_clean();
+}
diff --git a/lib/Twig/Extension/Escaper.php b/lib/Twig/Extension/Escaper.php
new file mode 100644
index 0000000..faf6178
--- /dev/null
+++ b/lib/Twig/Extension/Escaper.php
@@ -0,0 +1,89 @@
+setDefaultStrategy($defaultStrategy);
+ }
+
+ public function getTokenParsers()
+ {
+ return array(new Twig_TokenParser_AutoEscape());
+ }
+
+ public function getNodeVisitors()
+ {
+ return array(new Twig_NodeVisitor_Escaper());
+ }
+
+ public function getFilters()
+ {
+ return array(
+ new Twig_Filter('raw', 'twig_raw_filter', array('is_safe' => array('all'))),
+ );
+ }
+
+ /**
+ * Sets the default strategy to use when not defined by the user.
+ *
+ * The strategy can be a valid PHP callback that takes the template
+ * name as an argument and returns the strategy to use.
+ *
+ * @param string|false|callable $defaultStrategy An escaping strategy
+ */
+ public function setDefaultStrategy($defaultStrategy)
+ {
+ if ('name' === $defaultStrategy) {
+ $defaultStrategy = array('Twig_FileExtensionEscapingStrategy', 'guess');
+ }
+
+ $this->defaultStrategy = $defaultStrategy;
+ }
+
+ /**
+ * Gets the default strategy to use when not defined by the user.
+ *
+ * @param string $name The template name
+ *
+ * @return string|false The default strategy to use for the template
+ */
+ public function getDefaultStrategy($name)
+ {
+ // disable string callables to avoid calling a function named html or js,
+ // or any other upcoming escaping strategy
+ if (!is_string($this->defaultStrategy) && false !== $this->defaultStrategy) {
+ return call_user_func($this->defaultStrategy, $name);
+ }
+
+ return $this->defaultStrategy;
+ }
+}
+
+/**
+ * Marks a variable as being safe.
+ *
+ * @param string $string A PHP variable
+ *
+ * @return string
+ */
+function twig_raw_filter($string)
+{
+ return $string;
+}
diff --git a/lib/Twig/Extension/GlobalsInterface.php b/lib/Twig/Extension/GlobalsInterface.php
new file mode 100644
index 0000000..a085cec
--- /dev/null
+++ b/lib/Twig/Extension/GlobalsInterface.php
@@ -0,0 +1,28 @@
+
+ */
+interface Twig_Extension_GlobalsInterface
+{
+ /**
+ * Returns a list of global variables to add to the existing list.
+ *
+ * @return array An array of global variables
+ */
+ public function getGlobals();
+}
diff --git a/lib/Twig/Extension/InitRuntimeInterface.php b/lib/Twig/Extension/InitRuntimeInterface.php
new file mode 100644
index 0000000..d883c7d
--- /dev/null
+++ b/lib/Twig/Extension/InitRuntimeInterface.php
@@ -0,0 +1,30 @@
+
+ */
+interface Twig_Extension_InitRuntimeInterface
+{
+ /**
+ * Initializes the runtime environment.
+ *
+ * This is where you can load some file that contains filter functions for instance.
+ *
+ * @param Twig_Environment $environment The current Twig_Environment instance
+ */
+ public function initRuntime(Twig_Environment $environment);
+}
diff --git a/lib/Twig/Extension/Optimizer.php b/lib/Twig/Extension/Optimizer.php
new file mode 100644
index 0000000..7d16e2c
--- /dev/null
+++ b/lib/Twig/Extension/Optimizer.php
@@ -0,0 +1,25 @@
+optimizers = $optimizers;
+ }
+
+ public function getNodeVisitors()
+ {
+ return array(new Twig_NodeVisitor_Optimizer($this->optimizers));
+ }
+}
diff --git a/lib/Twig/Extension/Profiler.php b/lib/Twig/Extension/Profiler.php
new file mode 100644
index 0000000..961af42
--- /dev/null
+++ b/lib/Twig/Extension/Profiler.php
@@ -0,0 +1,41 @@
+actives[] = $profile;
+ }
+
+ public function enter(Twig_Profiler_Profile $profile)
+ {
+ $this->actives[0]->addProfile($profile);
+ array_unshift($this->actives, $profile);
+ }
+
+ public function leave(Twig_Profiler_Profile $profile)
+ {
+ $profile->leave();
+ array_shift($this->actives);
+
+ if (1 === count($this->actives)) {
+ $this->actives[0]->leave();
+ }
+ }
+
+ public function getNodeVisitors()
+ {
+ return array(new Twig_Profiler_NodeVisitor_Profiler(get_class($this)));
+ }
+}
diff --git a/lib/Twig/Extension/Sandbox.php b/lib/Twig/Extension/Sandbox.php
new file mode 100644
index 0000000..cb03dd4
--- /dev/null
+++ b/lib/Twig/Extension/Sandbox.php
@@ -0,0 +1,93 @@
+policy = $policy;
+ $this->sandboxedGlobally = $sandboxed;
+ }
+
+ public function getTokenParsers()
+ {
+ return array(new Twig_TokenParser_Sandbox());
+ }
+
+ public function getNodeVisitors()
+ {
+ return array(new Twig_NodeVisitor_Sandbox());
+ }
+
+ public function enableSandbox()
+ {
+ $this->sandboxed = true;
+ }
+
+ public function disableSandbox()
+ {
+ $this->sandboxed = false;
+ }
+
+ public function isSandboxed()
+ {
+ return $this->sandboxedGlobally || $this->sandboxed;
+ }
+
+ public function isSandboxedGlobally()
+ {
+ return $this->sandboxedGlobally;
+ }
+
+ public function setSecurityPolicy(Twig_Sandbox_SecurityPolicyInterface $policy)
+ {
+ $this->policy = $policy;
+ }
+
+ public function getSecurityPolicy()
+ {
+ return $this->policy;
+ }
+
+ public function checkSecurity($tags, $filters, $functions)
+ {
+ if ($this->isSandboxed()) {
+ $this->policy->checkSecurity($tags, $filters, $functions);
+ }
+ }
+
+ public function checkMethodAllowed($obj, $method)
+ {
+ if ($this->isSandboxed()) {
+ $this->policy->checkMethodAllowed($obj, $method);
+ }
+ }
+
+ public function checkPropertyAllowed($obj, $method)
+ {
+ if ($this->isSandboxed()) {
+ $this->policy->checkPropertyAllowed($obj, $method);
+ }
+ }
+
+ public function ensureToStringAllowed($obj)
+ {
+ if ($this->isSandboxed() && is_object($obj)) {
+ $this->policy->checkMethodAllowed($obj, '__toString');
+ }
+
+ return $obj;
+ }
+}
diff --git a/lib/Twig/Extension/Staging.php b/lib/Twig/Extension/Staging.php
new file mode 100644
index 0000000..aa429ac
--- /dev/null
+++ b/lib/Twig/Extension/Staging.php
@@ -0,0 +1,92 @@
+
+ *
+ * @internal
+ */
+final class Twig_Extension_Staging extends Twig_Extension
+{
+ private $functions = array();
+ private $filters = array();
+ private $visitors = array();
+ private $tokenParsers = array();
+ private $tests = array();
+
+ public function addFunction(Twig_Function $function)
+ {
+ if (isset($this->functions[$function->getName()])) {
+ throw new LogicException(sprintf('Function "%s" is already registered.', $function->getName()));
+ }
+
+ $this->functions[$function->getName()] = $function;
+ }
+
+ public function getFunctions()
+ {
+ return $this->functions;
+ }
+
+ public function addFilter(Twig_Filter $filter)
+ {
+ if (isset($this->filters[$filter->getName()])) {
+ throw new LogicException(sprintf('Filter "%s" is already registered.', $filter->getName()));
+ }
+
+ $this->filters[$filter->getName()] = $filter;
+ }
+
+ public function getFilters()
+ {
+ return $this->filters;
+ }
+
+ public function addNodeVisitor(Twig_NodeVisitorInterface $visitor)
+ {
+ $this->visitors[] = $visitor;
+ }
+
+ public function getNodeVisitors()
+ {
+ return $this->visitors;
+ }
+
+ public function addTokenParser(Twig_TokenParserInterface $parser)
+ {
+ if (isset($this->tokenParsers[$parser->getTag()])) {
+ throw new LogicException(sprintf('Tag "%s" is already registered.', $parser->getTag()));
+ }
+
+ $this->tokenParsers[$parser->getTag()] = $parser;
+ }
+
+ public function getTokenParsers()
+ {
+ return $this->tokenParsers;
+ }
+
+ public function addTest(Twig_Test $test)
+ {
+ if (isset($this->tests[$test->getName()])) {
+ throw new LogicException(sprintf('Test "%s" is already registered.', $test->getTag()));
+ }
+
+ $this->tests[$test->getName()] = $test;
+ }
+
+ public function getTests()
+ {
+ return $this->tests;
+ }
+}
diff --git a/lib/Twig/Extension/StringLoader.php b/lib/Twig/Extension/StringLoader.php
new file mode 100644
index 0000000..580637d
--- /dev/null
+++ b/lib/Twig/Extension/StringLoader.php
@@ -0,0 +1,37 @@
+ true)),
+ );
+ }
+}
+
+/**
+ * Loads a template from a string.
+ *
+ *
+ * {{ include(template_from_string("Hello {{ name }}")) }}
+ *
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param string $template A template as a string or object implementing __toString()
+ *
+ * @return Twig_Template
+ */
+function twig_template_from_string(Twig_Environment $env, $template)
+{
+ return $env->createTemplate((string) $template);
+}
diff --git a/lib/Twig/ExtensionInterface.php b/lib/Twig/ExtensionInterface.php
new file mode 100644
index 0000000..6db4171
--- /dev/null
+++ b/lib/Twig/ExtensionInterface.php
@@ -0,0 +1,60 @@
+
+ */
+interface Twig_ExtensionInterface
+{
+ /**
+ * Returns the token parser instances to add to the existing list.
+ *
+ * @return Twig_TokenParserInterface[]
+ */
+ public function getTokenParsers();
+
+ /**
+ * Returns the node visitor instances to add to the existing list.
+ *
+ * @return Twig_NodeVisitorInterface[]
+ */
+ public function getNodeVisitors();
+
+ /**
+ * Returns a list of filters to add to the existing list.
+ *
+ * @return Twig_Filter[]
+ */
+ public function getFilters();
+
+ /**
+ * Returns a list of tests to add to the existing list.
+ *
+ * @return Twig_Test[]
+ */
+ public function getTests();
+
+ /**
+ * Returns a list of functions to add to the existing list.
+ *
+ * @return Twig_Function[]
+ */
+ public function getFunctions();
+
+ /**
+ * Returns a list of operators to add to the existing list.
+ *
+ * @return array First array of unary operators, second array of binary operators
+ */
+ public function getOperators();
+}
diff --git a/lib/Twig/ExtensionSet.php b/lib/Twig/ExtensionSet.php
new file mode 100644
index 0000000..221edda
--- /dev/null
+++ b/lib/Twig/ExtensionSet.php
@@ -0,0 +1,470 @@
+
+ *
+ * @internal
+ */
+final class Twig_ExtensionSet
+{
+ private $extensions;
+ private $initialized = false;
+ private $runtimeInitialized = false;
+ private $staging;
+ private $parsers;
+ private $visitors;
+ private $filters;
+ private $tests;
+ private $functions;
+ private $unaryOperators;
+ private $binaryOperators;
+ private $globals;
+ private $functionCallbacks = array();
+ private $filterCallbacks = array();
+ private $lastModified = 0;
+
+ public function __construct()
+ {
+ $this->staging = new Twig_Extension_Staging();
+ }
+
+ /**
+ * Initializes the runtime environment.
+ */
+ public function initRuntime(Twig_Environment $env)
+ {
+ if ($this->runtimeInitialized) {
+ return;
+ }
+
+ $this->runtimeInitialized = true;
+
+ foreach ($this->extensions as $extension) {
+ if ($extension instanceof Twig_Extension_InitRuntimeInterface) {
+ $extension->initRuntime($env);
+ }
+ }
+ }
+
+ /**
+ * Returns true if the given extension is registered.
+ *
+ * @param string $class The extension class name
+ *
+ * @return bool Whether the extension is registered or not
+ */
+ public function hasExtension($class)
+ {
+ return isset($this->extensions[ltrim($class, '\\')]);
+ }
+
+ /**
+ * Gets an extension by class name.
+ *
+ * @param string $class The extension class name
+ *
+ * @return Twig_ExtensionInterface A Twig_ExtensionInterface instance
+ */
+ public function getExtension($class)
+ {
+ $class = ltrim($class, '\\');
+
+ if (!isset($this->extensions[$class])) {
+ throw new Twig_Error_Runtime(sprintf('The "%s" extension is not enabled.', $class));
+ }
+
+ return $this->extensions[$class];
+ }
+
+ /**
+ * Registers an array of extensions.
+ *
+ * @param array $extensions An array of extensions
+ */
+ public function setExtensions(array $extensions)
+ {
+ foreach ($extensions as $extension) {
+ $this->addExtension($extension);
+ }
+ }
+
+ /**
+ * Returns all registered extensions.
+ *
+ * @return array An array of extensions
+ */
+ public function getExtensions()
+ {
+ return $this->extensions;
+ }
+
+ public function getSignature()
+ {
+ return json_encode(array_keys($this->extensions));
+ }
+
+ public function isInitialized()
+ {
+ return $this->initialized || $this->runtimeInitialized;
+ }
+
+ public function getLastModified()
+ {
+ if (0 !== $this->lastModified) {
+ return $this->lastModified;
+ }
+
+ foreach ($this->extensions as $extension) {
+ $r = new ReflectionObject($extension);
+ if (file_exists($r->getFileName()) && ($extensionTime = filemtime($r->getFileName())) > $this->lastModified) {
+ $this->lastModified = $extensionTime;
+ }
+ }
+
+ return $this->lastModified;
+ }
+
+ /**
+ * Registers an extension.
+ *
+ * @param Twig_ExtensionInterface $extension A Twig_ExtensionInterface instance
+ */
+ public function addExtension(Twig_ExtensionInterface $extension)
+ {
+ $class = get_class($extension);
+
+ if ($this->initialized) {
+ throw new LogicException(sprintf('Unable to register extension "%s" as extensions have already been initialized.', $class));
+ }
+
+ if (isset($this->extensions[$class])) {
+ throw new LogicException(sprintf('Unable to register extension "%s" as it is already registered.', $class));
+ }
+
+ $this->extensions[$class] = $extension;
+ }
+
+ public function addFunction(Twig_Function $function)
+ {
+ if ($this->initialized) {
+ throw new LogicException(sprintf('Unable to add function "%s" as extensions have already been initialized.', $function->getName()));
+ }
+
+ $this->staging->addFunction($function);
+ }
+
+ public function getFunctions()
+ {
+ if (!$this->initialized) {
+ $this->initExtensions();
+ }
+
+ return $this->functions;
+ }
+
+ /**
+ * Get a function by name.
+ *
+ * @param string $name function name
+ *
+ * @return Twig_Function|false A Twig_Function instance or false if the function does not exist
+ */
+ public function getFunction($name)
+ {
+ if (!$this->initialized) {
+ $this->initExtensions();
+ }
+
+ if (isset($this->functions[$name])) {
+ return $this->functions[$name];
+ }
+
+ foreach ($this->functions as $pattern => $function) {
+ $pattern = str_replace('\\*', '(.*?)', preg_quote($pattern, '#'), $count);
+
+ if ($count && preg_match('#^'.$pattern.'$#', $name, $matches)) {
+ array_shift($matches);
+ $function->setArguments($matches);
+
+ return $function;
+ }
+ }
+
+ foreach ($this->functionCallbacks as $callback) {
+ if (false !== $function = $callback($name)) {
+ return $function;
+ }
+ }
+
+ return false;
+ }
+
+ public function registerUndefinedFunctionCallback(callable $callable)
+ {
+ $this->functionCallbacks[] = $callable;
+ }
+
+ public function addFilter(Twig_Filter $filter)
+ {
+ if ($this->initialized) {
+ throw new LogicException(sprintf('Unable to add filter "%s" as extensions have already been initialized.', $filter->getName()));
+ }
+
+ $this->staging->addFilter($filter);
+ }
+
+ public function getFilters()
+ {
+ if (!$this->initialized) {
+ $this->initExtensions();
+ }
+
+ return $this->filters;
+ }
+
+ /**
+ * Get a filter by name.
+ *
+ * Subclasses may override this method and load filters differently;
+ * so no list of filters is available.
+ *
+ * @param string $name The filter name
+ *
+ * @return Twig_Filter|false A Twig_Filter instance or false if the filter does not exist
+ */
+ public function getFilter($name)
+ {
+ if (!$this->initialized) {
+ $this->initExtensions();
+ }
+
+ if (isset($this->filters[$name])) {
+ return $this->filters[$name];
+ }
+
+ foreach ($this->filters as $pattern => $filter) {
+ $pattern = str_replace('\\*', '(.*?)', preg_quote($pattern, '#'), $count);
+
+ if ($count && preg_match('#^'.$pattern.'$#', $name, $matches)) {
+ array_shift($matches);
+ $filter->setArguments($matches);
+
+ return $filter;
+ }
+ }
+
+ foreach ($this->filterCallbacks as $callback) {
+ if (false !== $filter = $callback($name)) {
+ return $filter;
+ }
+ }
+
+ return false;
+ }
+
+ public function registerUndefinedFilterCallback(callable $callable)
+ {
+ $this->filterCallbacks[] = $callable;
+ }
+
+ public function addNodeVisitor(Twig_NodeVisitorInterface $visitor)
+ {
+ if ($this->initialized) {
+ throw new LogicException('Unable to add a node visitor as extensions have already been initialized.');
+ }
+
+ $this->staging->addNodeVisitor($visitor);
+ }
+
+ public function getNodeVisitors()
+ {
+ if (!$this->initialized) {
+ $this->initExtensions();
+ }
+
+ return $this->visitors;
+ }
+
+ public function addTokenParser(Twig_TokenParserInterface $parser)
+ {
+ if ($this->initialized) {
+ throw new LogicException('Unable to add a token parser as extensions have already been initialized.');
+ }
+
+ $this->staging->addTokenParser($parser);
+ }
+
+ public function getTokenParsers()
+ {
+ if (!$this->initialized) {
+ $this->initExtensions();
+ }
+
+ return $this->parsers;
+ }
+
+ public function getGlobals()
+ {
+ if (null !== $this->globals) {
+ return $this->globals;
+ }
+
+ $globals = array();
+ foreach ($this->extensions as $extension) {
+ if (!$extension instanceof Twig_Extension_GlobalsInterface) {
+ continue;
+ }
+
+ $extGlobals = $extension->getGlobals();
+ if (!is_array($extGlobals)) {
+ throw new UnexpectedValueException(sprintf('"%s::getGlobals()" must return an array of globals.', get_class($extension)));
+ }
+
+ $globals = array_merge($globals, $extGlobals);
+ }
+
+ if ($this->initialized) {
+ $this->globals = $globals;
+ }
+
+ return $globals;
+ }
+
+ public function addTest(Twig_Test $test)
+ {
+ if ($this->initialized) {
+ throw new LogicException(sprintf('Unable to add test "%s" as extensions have already been initialized.', $test->getName()));
+ }
+
+ $this->staging->addTest($test);
+ }
+
+ public function getTests()
+ {
+ if (!$this->initialized) {
+ $this->initExtensions();
+ }
+
+ return $this->tests;
+ }
+
+ /**
+ * Gets a test by name.
+ *
+ * @param string $name The test name
+ *
+ * @return Twig_Test|false A Twig_Test instance or false if the test does not exist
+ */
+ public function getTest($name)
+ {
+ if (!$this->initialized) {
+ $this->initExtensions();
+ }
+
+ if (isset($this->tests[$name])) {
+ return $this->tests[$name];
+ }
+
+ return false;
+ }
+
+ /**
+ * Gets the registered unary Operators.
+ *
+ * @return array An array of unary operators
+ */
+ public function getUnaryOperators()
+ {
+ if (!$this->initialized) {
+ $this->initExtensions();
+ }
+
+ return $this->unaryOperators;
+ }
+
+ /**
+ * Gets the registered binary Operators.
+ *
+ * @return array An array of binary operators
+ */
+ public function getBinaryOperators()
+ {
+ if (!$this->initialized) {
+ $this->initExtensions();
+ }
+
+ return $this->binaryOperators;
+ }
+
+ private function initExtensions()
+ {
+ $this->initialized = true;
+ $this->parsers = array();
+ $this->filters = array();
+ $this->functions = array();
+ $this->tests = array();
+ $this->visitors = array();
+ $this->unaryOperators = array();
+ $this->binaryOperators = array();
+
+ foreach ($this->extensions as $extension) {
+ $this->initExtension($extension);
+ }
+ $this->initExtension($this->staging);
+ }
+
+ private function initExtension(Twig_ExtensionInterface $extension)
+ {
+ // filters
+ foreach ($extension->getFilters() as $filter) {
+ $this->filters[$filter->getName()] = $filter;
+ }
+
+ // functions
+ foreach ($extension->getFunctions() as $function) {
+ $this->functions[$function->getName()] = $function;
+ }
+
+ // tests
+ foreach ($extension->getTests() as $test) {
+ $this->tests[$test->getName()] = $test;
+ }
+
+ // token parsers
+ foreach ($extension->getTokenParsers() as $parser) {
+ if (!$parser instanceof Twig_TokenParserInterface) {
+ throw new LogicException('getTokenParsers() must return an array of Twig_TokenParserInterface.');
+ }
+
+ $this->parsers[] = $parser;
+ }
+
+ // node visitors
+ foreach ($extension->getNodeVisitors() as $visitor) {
+ $this->visitors[] = $visitor;
+ }
+
+ // operators
+ if ($operators = $extension->getOperators()) {
+ if (!is_array($operators)) {
+ throw new InvalidArgumentException(sprintf('"%s::getOperators()" must return an array with operators, got "%s".', get_class($extension), is_object($operators) ? get_class($operators) : gettype($operators).(is_resource($operators) ? '' : '#'.$operators)));
+ }
+
+ if (2 !== count($operators)) {
+ throw new InvalidArgumentException(sprintf('"%s::getOperators()" must return an array of 2 elements, got %d.', get_class($extension), count($operators)));
+ }
+
+ $this->unaryOperators = array_merge($this->unaryOperators, $operators[0]);
+ $this->binaryOperators = array_merge($this->binaryOperators, $operators[1]);
+ }
+ }
+}
diff --git a/lib/Twig/FactoryRuntimeLoader.php b/lib/Twig/FactoryRuntimeLoader.php
new file mode 100644
index 0000000..f428047
--- /dev/null
+++ b/lib/Twig/FactoryRuntimeLoader.php
@@ -0,0 +1,37 @@
+
+ */
+class Twig_FactoryRuntimeLoader implements Twig_RuntimeLoaderInterface
+{
+ private $map;
+
+ /**
+ * @param array $map An array where keys are class names and values factory callables
+ */
+ public function __construct($map = array())
+ {
+ $this->map = $map;
+ }
+
+ public function load($class)
+ {
+ if (isset($this->map[$class])) {
+ $runtimeFactory = $this->map[$class];
+
+ return $runtimeFactory();
+ }
+ }
+}
diff --git a/lib/Twig/FileExtensionEscapingStrategy.php b/lib/Twig/FileExtensionEscapingStrategy.php
new file mode 100644
index 0000000..772139e
--- /dev/null
+++ b/lib/Twig/FileExtensionEscapingStrategy.php
@@ -0,0 +1,58 @@
+
+ */
+class Twig_FileExtensionEscapingStrategy
+{
+ /**
+ * Guesses the best autoescaping strategy based on the file name.
+ *
+ * @param string $name The template name
+ *
+ * @return string|false The escaping strategy name to use or false to disable
+ */
+ public static function guess($name)
+ {
+ if (in_array(substr($name, -1), array('/', '\\'))) {
+ return 'html'; // return html for directories
+ }
+
+ if ('.twig' === substr($name, -5)) {
+ $name = substr($name, 0, -5);
+ }
+
+ $extension = pathinfo($name, PATHINFO_EXTENSION);
+
+ switch ($extension) {
+ case 'js':
+ return 'js';
+
+ case 'css':
+ return 'css';
+
+ case 'txt':
+ return false;
+
+ default:
+ return 'html';
+ }
+ }
+}
diff --git a/lib/Twig/Filter.php b/lib/Twig/Filter.php
new file mode 100644
index 0000000..ffa37c2
--- /dev/null
+++ b/lib/Twig/Filter.php
@@ -0,0 +1,133 @@
+
+ *
+ * @see http://twig.sensiolabs.org/doc/templates.html#filters
+ */
+class Twig_Filter
+{
+ private $name;
+ private $callable;
+ private $options;
+ private $arguments = array();
+
+ /**
+ * Creates a template filter.
+ *
+ * @param string $name Name of this filter
+ * @param callable|null $callable A callable implementing the filter. If null, you need to overwrite the "node_class" option to customize compilation.
+ * @param array $options Options array
+ */
+ public function __construct($name, $callable = null, array $options = array())
+ {
+ $this->name = $name;
+ $this->callable = $callable;
+ $this->options = array_merge(array(
+ 'needs_environment' => false,
+ 'needs_context' => false,
+ 'is_variadic' => false,
+ 'is_safe' => null,
+ 'is_safe_callback' => null,
+ 'pre_escape' => null,
+ 'preserves_safety' => null,
+ 'node_class' => 'Twig_Node_Expression_Filter',
+ 'deprecated' => false,
+ 'alternative' => null,
+ ), $options);
+ }
+
+ public function getName()
+ {
+ return $this->name;
+ }
+
+ /**
+ * Returns the callable to execute for this filter.
+ *
+ * @return callable|null
+ */
+ public function getCallable()
+ {
+ return $this->callable;
+ }
+
+ public function getNodeClass()
+ {
+ return $this->options['node_class'];
+ }
+
+ public function setArguments($arguments)
+ {
+ $this->arguments = $arguments;
+ }
+
+ public function getArguments()
+ {
+ return $this->arguments;
+ }
+
+ public function needsEnvironment()
+ {
+ return $this->options['needs_environment'];
+ }
+
+ public function needsContext()
+ {
+ return $this->options['needs_context'];
+ }
+
+ public function getSafe(Twig_Node $filterArgs)
+ {
+ if (null !== $this->options['is_safe']) {
+ return $this->options['is_safe'];
+ }
+
+ if (null !== $this->options['is_safe_callback']) {
+ return $this->options['is_safe_callback']($filterArgs);
+ }
+ }
+
+ public function getPreservesSafety()
+ {
+ return $this->options['preserves_safety'];
+ }
+
+ public function getPreEscape()
+ {
+ return $this->options['pre_escape'];
+ }
+
+ public function isVariadic()
+ {
+ return $this->options['is_variadic'];
+ }
+
+ public function isDeprecated()
+ {
+ return (bool) $this->options['deprecated'];
+ }
+
+ public function getDeprecatedVersion()
+ {
+ return $this->options['deprecated'];
+ }
+
+ public function getAlternative()
+ {
+ return $this->options['alternative'];
+ }
+}
diff --git a/lib/Twig/Function.php b/lib/Twig/Function.php
new file mode 100644
index 0000000..380c4ce
--- /dev/null
+++ b/lib/Twig/Function.php
@@ -0,0 +1,123 @@
+
+ *
+ * @see http://twig.sensiolabs.org/doc/templates.html#functions
+ */
+class Twig_Function
+{
+ private $name;
+ private $callable;
+ private $options;
+ private $arguments = array();
+
+ /**
+ * Creates a template function.
+ *
+ * @param string $name Name of this function
+ * @param callable|null $callable A callable implementing the function. If null, you need to overwrite the "node_class" option to customize compilation.
+ * @param array $options Options array
+ */
+ public function __construct($name, $callable = null, array $options = array())
+ {
+ $this->name = $name;
+ $this->callable = $callable;
+ $this->options = array_merge(array(
+ 'needs_environment' => false,
+ 'needs_context' => false,
+ 'is_variadic' => false,
+ 'is_safe' => null,
+ 'is_safe_callback' => null,
+ 'node_class' => 'Twig_Node_Expression_Function',
+ 'deprecated' => false,
+ 'alternative' => null,
+ ), $options);
+ }
+
+ public function getName()
+ {
+ return $this->name;
+ }
+
+ /**
+ * Returns the callable to execute for this function.
+ *
+ * @return callable|null
+ */
+ public function getCallable()
+ {
+ return $this->callable;
+ }
+
+ public function getNodeClass()
+ {
+ return $this->options['node_class'];
+ }
+
+ public function setArguments($arguments)
+ {
+ $this->arguments = $arguments;
+ }
+
+ public function getArguments()
+ {
+ return $this->arguments;
+ }
+
+ public function needsEnvironment()
+ {
+ return $this->options['needs_environment'];
+ }
+
+ public function needsContext()
+ {
+ return $this->options['needs_context'];
+ }
+
+ public function getSafe(Twig_Node $functionArgs)
+ {
+ if (null !== $this->options['is_safe']) {
+ return $this->options['is_safe'];
+ }
+
+ if (null !== $this->options['is_safe_callback']) {
+ return $this->options['is_safe_callback']($functionArgs);
+ }
+
+ return array();
+ }
+
+ public function isVariadic()
+ {
+ return $this->options['is_variadic'];
+ }
+
+ public function isDeprecated()
+ {
+ return (bool) $this->options['deprecated'];
+ }
+
+ public function getDeprecatedVersion()
+ {
+ return $this->options['deprecated'];
+ }
+
+ public function getAlternative()
+ {
+ return $this->options['alternative'];
+ }
+}
diff --git a/lib/Twig/Lexer.php b/lib/Twig/Lexer.php
new file mode 100644
index 0000000..c14de09
--- /dev/null
+++ b/lib/Twig/Lexer.php
@@ -0,0 +1,393 @@
+
+ */
+class Twig_Lexer
+{
+ private $tokens;
+ private $code;
+ private $cursor;
+ private $lineno;
+ private $end;
+ private $state;
+ private $states;
+ private $brackets;
+ private $env;
+ private $source;
+ private $options;
+ private $regexes;
+ private $position;
+ private $positions;
+ private $currentVarBlockLine;
+
+ const STATE_DATA = 0;
+ const STATE_BLOCK = 1;
+ const STATE_VAR = 2;
+ const STATE_STRING = 3;
+ const STATE_INTERPOLATION = 4;
+
+ const REGEX_NAME = '/[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/A';
+ const REGEX_NUMBER = '/[0-9]+(?:\.[0-9]+)?/A';
+ const REGEX_STRING = '/"([^#"\\\\]*(?:\\\\.[^#"\\\\]*)*)"|\'([^\'\\\\]*(?:\\\\.[^\'\\\\]*)*)\'/As';
+ const REGEX_DQ_STRING_DELIM = '/"/A';
+ const REGEX_DQ_STRING_PART = '/[^#"\\\\]*(?:(?:\\\\.|#(?!\{))[^#"\\\\]*)*/As';
+ const PUNCTUATION = '()[]{}?:.,|';
+
+ public function __construct(Twig_Environment $env, array $options = array())
+ {
+ $this->env = $env;
+
+ $this->options = array_merge(array(
+ 'tag_comment' => array('{#', '#}'),
+ 'tag_block' => array('{%', '%}'),
+ 'tag_variable' => array('{{', '}}'),
+ 'whitespace_trim' => '-',
+ 'interpolation' => array('#{', '}'),
+ ), $options);
+
+ $this->regexes = array(
+ 'lex_var' => '/\s*'.preg_quote($this->options['whitespace_trim'].$this->options['tag_variable'][1], '/').'\s*|\s*'.preg_quote($this->options['tag_variable'][1], '/').'/A',
+ 'lex_block' => '/\s*(?:'.preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1], '/').'\s*|\s*'.preg_quote($this->options['tag_block'][1], '/').')\n?/A',
+ 'lex_raw_data' => '/('.preg_quote($this->options['tag_block'][0].$this->options['whitespace_trim'], '/').'|'.preg_quote($this->options['tag_block'][0], '/').')\s*(?:endverbatim)\s*(?:'.preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1], '/').'\s*|\s*'.preg_quote($this->options['tag_block'][1], '/').')/s',
+ 'operator' => $this->getOperatorRegex(),
+ 'lex_comment' => '/(?:'.preg_quote($this->options['whitespace_trim'], '/').preg_quote($this->options['tag_comment'][1], '/').'\s*|'.preg_quote($this->options['tag_comment'][1], '/').')\n?/s',
+ 'lex_block_raw' => '/\s*verbatim\s*(?:'.preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1], '/').'\s*|\s*'.preg_quote($this->options['tag_block'][1], '/').')/As',
+ 'lex_block_line' => '/\s*line\s+(\d+)\s*'.preg_quote($this->options['tag_block'][1], '/').'/As',
+ 'lex_tokens_start' => '/('.preg_quote($this->options['tag_variable'][0], '/').'|'.preg_quote($this->options['tag_block'][0], '/').'|'.preg_quote($this->options['tag_comment'][0], '/').')('.preg_quote($this->options['whitespace_trim'], '/').')?/s',
+ 'interpolation_start' => '/'.preg_quote($this->options['interpolation'][0], '/').'\s*/A',
+ 'interpolation_end' => '/\s*'.preg_quote($this->options['interpolation'][1], '/').'/A',
+ );
+ }
+
+ public function tokenize(Twig_Source $source)
+ {
+ $this->source = $source;
+ $this->code = str_replace(array("\r\n", "\r"), "\n", $source->getCode());
+ $this->cursor = 0;
+ $this->lineno = 1;
+ $this->end = strlen($this->code);
+ $this->tokens = array();
+ $this->state = self::STATE_DATA;
+ $this->states = array();
+ $this->brackets = array();
+ $this->position = -1;
+
+ // find all token starts in one go
+ preg_match_all($this->regexes['lex_tokens_start'], $this->code, $matches, PREG_OFFSET_CAPTURE);
+ $this->positions = $matches;
+
+ while ($this->cursor < $this->end) {
+ // dispatch to the lexing functions depending
+ // on the current state
+ switch ($this->state) {
+ case self::STATE_DATA:
+ $this->lexData();
+ break;
+
+ case self::STATE_BLOCK:
+ $this->lexBlock();
+ break;
+
+ case self::STATE_VAR:
+ $this->lexVar();
+ break;
+
+ case self::STATE_STRING:
+ $this->lexString();
+ break;
+
+ case self::STATE_INTERPOLATION:
+ $this->lexInterpolation();
+ break;
+ }
+ }
+
+ $this->pushToken(Twig_Token::EOF_TYPE);
+
+ if (!empty($this->brackets)) {
+ list($expect, $lineno) = array_pop($this->brackets);
+ throw new Twig_Error_Syntax(sprintf('Unclosed "%s".', $expect), $lineno, $this->source);
+ }
+
+ return new Twig_TokenStream($this->tokens, $this->source);
+ }
+
+ private function lexData()
+ {
+ // if no matches are left we return the rest of the template as simple text token
+ if ($this->position == count($this->positions[0]) - 1) {
+ $this->pushToken(Twig_Token::TEXT_TYPE, substr($this->code, $this->cursor));
+ $this->cursor = $this->end;
+
+ return;
+ }
+
+ // Find the first token after the current cursor
+ $position = $this->positions[0][++$this->position];
+ while ($position[1] < $this->cursor) {
+ if ($this->position == count($this->positions[0]) - 1) {
+ return;
+ }
+ $position = $this->positions[0][++$this->position];
+ }
+
+ // push the template text first
+ $text = $textContent = substr($this->code, $this->cursor, $position[1] - $this->cursor);
+ if (isset($this->positions[2][$this->position][0])) {
+ $text = rtrim($text);
+ }
+ $this->pushToken(Twig_Token::TEXT_TYPE, $text);
+ $this->moveCursor($textContent.$position[0]);
+
+ switch ($this->positions[1][$this->position][0]) {
+ case $this->options['tag_comment'][0]:
+ $this->lexComment();
+ break;
+
+ case $this->options['tag_block'][0]:
+ // raw data?
+ if (preg_match($this->regexes['lex_block_raw'], $this->code, $match, null, $this->cursor)) {
+ $this->moveCursor($match[0]);
+ $this->lexRawData();
+ // {% line \d+ %}
+ } elseif (preg_match($this->regexes['lex_block_line'], $this->code, $match, null, $this->cursor)) {
+ $this->moveCursor($match[0]);
+ $this->lineno = (int) $match[1];
+ } else {
+ $this->pushToken(Twig_Token::BLOCK_START_TYPE);
+ $this->pushState(self::STATE_BLOCK);
+ $this->currentVarBlockLine = $this->lineno;
+ }
+ break;
+
+ case $this->options['tag_variable'][0]:
+ $this->pushToken(Twig_Token::VAR_START_TYPE);
+ $this->pushState(self::STATE_VAR);
+ $this->currentVarBlockLine = $this->lineno;
+ break;
+ }
+ }
+
+ private function lexBlock()
+ {
+ if (empty($this->brackets) && preg_match($this->regexes['lex_block'], $this->code, $match, null, $this->cursor)) {
+ $this->pushToken(Twig_Token::BLOCK_END_TYPE);
+ $this->moveCursor($match[0]);
+ $this->popState();
+ } else {
+ $this->lexExpression();
+ }
+ }
+
+ private function lexVar()
+ {
+ if (empty($this->brackets) && preg_match($this->regexes['lex_var'], $this->code, $match, null, $this->cursor)) {
+ $this->pushToken(Twig_Token::VAR_END_TYPE);
+ $this->moveCursor($match[0]);
+ $this->popState();
+ } else {
+ $this->lexExpression();
+ }
+ }
+
+ private function lexExpression()
+ {
+ // whitespace
+ if (preg_match('/\s+/A', $this->code, $match, null, $this->cursor)) {
+ $this->moveCursor($match[0]);
+
+ if ($this->cursor >= $this->end) {
+ throw new Twig_Error_Syntax(sprintf('Unclosed "%s".', $this->state === self::STATE_BLOCK ? 'block' : 'variable'), $this->currentVarBlockLine, $this->source);
+ }
+ }
+
+ // operators
+ if (preg_match($this->regexes['operator'], $this->code, $match, null, $this->cursor)) {
+ $this->pushToken(Twig_Token::OPERATOR_TYPE, preg_replace('/\s+/', ' ', $match[0]));
+ $this->moveCursor($match[0]);
+ }
+ // names
+ elseif (preg_match(self::REGEX_NAME, $this->code, $match, null, $this->cursor)) {
+ $this->pushToken(Twig_Token::NAME_TYPE, $match[0]);
+ $this->moveCursor($match[0]);
+ }
+ // numbers
+ elseif (preg_match(self::REGEX_NUMBER, $this->code, $match, null, $this->cursor)) {
+ $number = (float) $match[0]; // floats
+ if (ctype_digit($match[0]) && $number <= PHP_INT_MAX) {
+ $number = (int) $match[0]; // integers lower than the maximum
+ }
+ $this->pushToken(Twig_Token::NUMBER_TYPE, $number);
+ $this->moveCursor($match[0]);
+ }
+ // punctuation
+ elseif (false !== strpos(self::PUNCTUATION, $this->code[$this->cursor])) {
+ // opening bracket
+ if (false !== strpos('([{', $this->code[$this->cursor])) {
+ $this->brackets[] = array($this->code[$this->cursor], $this->lineno);
+ }
+ // closing bracket
+ elseif (false !== strpos(')]}', $this->code[$this->cursor])) {
+ if (empty($this->brackets)) {
+ throw new Twig_Error_Syntax(sprintf('Unexpected "%s".', $this->code[$this->cursor]), $this->lineno, $this->source);
+ }
+
+ list($expect, $lineno) = array_pop($this->brackets);
+ if ($this->code[$this->cursor] != strtr($expect, '([{', ')]}')) {
+ throw new Twig_Error_Syntax(sprintf('Unclosed "%s".', $expect), $lineno, $this->source);
+ }
+ }
+
+ $this->pushToken(Twig_Token::PUNCTUATION_TYPE, $this->code[$this->cursor]);
+ ++$this->cursor;
+ }
+ // strings
+ elseif (preg_match(self::REGEX_STRING, $this->code, $match, null, $this->cursor)) {
+ $this->pushToken(Twig_Token::STRING_TYPE, stripcslashes(substr($match[0], 1, -1)));
+ $this->moveCursor($match[0]);
+ }
+ // opening double quoted string
+ elseif (preg_match(self::REGEX_DQ_STRING_DELIM, $this->code, $match, null, $this->cursor)) {
+ $this->brackets[] = array('"', $this->lineno);
+ $this->pushState(self::STATE_STRING);
+ $this->moveCursor($match[0]);
+ }
+ // unlexable
+ else {
+ throw new Twig_Error_Syntax(sprintf('Unexpected character "%s".', $this->code[$this->cursor]), $this->lineno, $this->source);
+ }
+ }
+
+ private function lexRawData()
+ {
+ if (!preg_match($this->regexes['lex_raw_data'], $this->code, $match, PREG_OFFSET_CAPTURE, $this->cursor)) {
+ throw new Twig_Error_Syntax('Unexpected end of file: Unclosed "verbatim" block.', $this->lineno, $this->source);
+ }
+
+ $text = substr($this->code, $this->cursor, $match[0][1] - $this->cursor);
+ $this->moveCursor($text.$match[0][0]);
+
+ if (false !== strpos($match[1][0], $this->options['whitespace_trim'])) {
+ $text = rtrim($text);
+ }
+
+ $this->pushToken(Twig_Token::TEXT_TYPE, $text);
+ }
+
+ private function lexComment()
+ {
+ if (!preg_match($this->regexes['lex_comment'], $this->code, $match, PREG_OFFSET_CAPTURE, $this->cursor)) {
+ throw new Twig_Error_Syntax('Unclosed comment.', $this->lineno, $this->source);
+ }
+
+ $this->moveCursor(substr($this->code, $this->cursor, $match[0][1] - $this->cursor).$match[0][0]);
+ }
+
+ private function lexString()
+ {
+ if (preg_match($this->regexes['interpolation_start'], $this->code, $match, null, $this->cursor)) {
+ $this->brackets[] = array($this->options['interpolation'][0], $this->lineno);
+ $this->pushToken(Twig_Token::INTERPOLATION_START_TYPE);
+ $this->moveCursor($match[0]);
+ $this->pushState(self::STATE_INTERPOLATION);
+ } elseif (preg_match(self::REGEX_DQ_STRING_PART, $this->code, $match, null, $this->cursor) && strlen($match[0]) > 0) {
+ $this->pushToken(Twig_Token::STRING_TYPE, stripcslashes($match[0]));
+ $this->moveCursor($match[0]);
+ } elseif (preg_match(self::REGEX_DQ_STRING_DELIM, $this->code, $match, null, $this->cursor)) {
+ list($expect, $lineno) = array_pop($this->brackets);
+ if ($this->code[$this->cursor] != '"') {
+ throw new Twig_Error_Syntax(sprintf('Unclosed "%s".', $expect), $lineno, $this->source);
+ }
+
+ $this->popState();
+ ++$this->cursor;
+ }
+ }
+
+ private function lexInterpolation()
+ {
+ $bracket = end($this->brackets);
+ if ($this->options['interpolation'][0] === $bracket[0] && preg_match($this->regexes['interpolation_end'], $this->code, $match, null, $this->cursor)) {
+ array_pop($this->brackets);
+ $this->pushToken(Twig_Token::INTERPOLATION_END_TYPE);
+ $this->moveCursor($match[0]);
+ $this->popState();
+ } else {
+ $this->lexExpression();
+ }
+ }
+
+ private function pushToken($type, $value = '')
+ {
+ // do not push empty text tokens
+ if (Twig_Token::TEXT_TYPE === $type && '' === $value) {
+ return;
+ }
+
+ $this->tokens[] = new Twig_Token($type, $value, $this->lineno);
+ }
+
+ private function moveCursor($text)
+ {
+ $this->cursor += strlen($text);
+ $this->lineno += substr_count($text, "\n");
+ }
+
+ private function getOperatorRegex()
+ {
+ $operators = array_merge(
+ array('='),
+ array_keys($this->env->getUnaryOperators()),
+ array_keys($this->env->getBinaryOperators())
+ );
+
+ $operators = array_combine($operators, array_map('strlen', $operators));
+ arsort($operators);
+
+ $regex = array();
+ foreach ($operators as $operator => $length) {
+ // an operator that ends with a character must be followed by
+ // a whitespace or a parenthesis
+ if (ctype_alpha($operator[$length - 1])) {
+ $r = preg_quote($operator, '/').'(?=[\s()])';
+ } else {
+ $r = preg_quote($operator, '/');
+ }
+
+ // an operator with a space can be any amount of whitespaces
+ $r = preg_replace('/\s+/', '\s+', $r);
+
+ $regex[] = $r;
+ }
+
+ return '/'.implode('|', $regex).'/A';
+ }
+
+ private function pushState($state)
+ {
+ $this->states[] = $this->state;
+ $this->state = $state;
+ }
+
+ private function popState()
+ {
+ if (0 === count($this->states)) {
+ throw new LogicException('Cannot pop state without a previous state.');
+ }
+
+ $this->state = array_pop($this->states);
+ }
+}
diff --git a/lib/Twig/Loader/Array.php b/lib/Twig/Loader/Array.php
new file mode 100644
index 0000000..3da14e1
--- /dev/null
+++ b/lib/Twig/Loader/Array.php
@@ -0,0 +1,79 @@
+
+ */
+final class Twig_Loader_Array implements Twig_LoaderInterface, Twig_ExistsLoaderInterface, Twig_SourceContextLoaderInterface
+{
+ private $templates = array();
+
+ /**
+ * @param array $templates An array of templates (keys are the names, and values are the source code)
+ */
+ public function __construct(array $templates = array())
+ {
+ $this->templates = $templates;
+ }
+
+ /**
+ * Adds or overrides a template.
+ *
+ * @param string $name The template name
+ * @param string $template The template source
+ */
+ public function setTemplate($name, $template)
+ {
+ $this->templates[$name] = $template;
+ }
+
+ public function getSourceContext($name)
+ {
+ $name = (string) $name;
+ if (!isset($this->templates[$name])) {
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
+ }
+
+ return new Twig_Source($this->templates[$name], $name);
+ }
+
+ public function exists($name)
+ {
+ return isset($this->templates[$name]);
+ }
+
+ public function getCacheKey($name)
+ {
+ if (!isset($this->templates[$name])) {
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
+ }
+
+ return $this->templates[$name];
+ }
+
+ public function isFresh($name, $time)
+ {
+ if (!isset($this->templates[$name])) {
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
+ }
+
+ return true;
+ }
+}
diff --git a/lib/Twig/Loader/Chain.php b/lib/Twig/Loader/Chain.php
new file mode 100644
index 0000000..7cdba2c
--- /dev/null
+++ b/lib/Twig/Loader/Chain.php
@@ -0,0 +1,106 @@
+
+ */
+final class Twig_Loader_Chain implements Twig_LoaderInterface, Twig_ExistsLoaderInterface, Twig_SourceContextLoaderInterface
+{
+ private $hasSourceCache = array();
+ private $loaders = array();
+
+ /**
+ * @param Twig_LoaderInterface[] $loaders
+ */
+ public function __construct(array $loaders = array())
+ {
+ foreach ($loaders as $loader) {
+ $this->addLoader($loader);
+ }
+ }
+
+ public function addLoader(Twig_LoaderInterface $loader)
+ {
+ $this->loaders[] = $loader;
+ $this->hasSourceCache = array();
+ }
+
+ public function getSourceContext($name)
+ {
+ $exceptions = array();
+ foreach ($this->loaders as $loader) {
+ if (!$loader->exists($name)) {
+ continue;
+ }
+
+ try {
+ return $loader->getSourceContext($name);
+ } catch (Twig_Error_Loader $e) {
+ $exceptions[] = $e->getMessage();
+ }
+ }
+
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined%s.', $name, $exceptions ? ' ('.implode(', ', $exceptions).')' : ''));
+ }
+
+ public function exists($name)
+ {
+ if (isset($this->hasSourceCache[$name])) {
+ return $this->hasSourceCache[$name];
+ }
+
+ foreach ($this->loaders as $loader) {
+ if ($loader->exists($name)) {
+ return $this->hasSourceCache[$name] = true;
+ }
+ }
+
+ return $this->hasSourceCache[$name] = false;
+ }
+
+ public function getCacheKey($name)
+ {
+ $exceptions = array();
+ foreach ($this->loaders as $loader) {
+ if (!$loader->exists($name)) {
+ continue;
+ }
+
+ try {
+ return $loader->getCacheKey($name);
+ } catch (Twig_Error_Loader $e) {
+ $exceptions[] = get_class($loader).': '.$e->getMessage();
+ }
+ }
+
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined%s.', $name, $exceptions ? ' ('.implode(', ', $exceptions).')' : ''));
+ }
+
+ public function isFresh($name, $time)
+ {
+ $exceptions = array();
+ foreach ($this->loaders as $loader) {
+ if (!$loader->exists($name)) {
+ continue;
+ }
+
+ try {
+ return $loader->isFresh($name, $time);
+ } catch (Twig_Error_Loader $e) {
+ $exceptions[] = get_class($loader).': '.$e->getMessage();
+ }
+ }
+
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined%s.', $name, $exceptions ? ' ('.implode(', ', $exceptions).')' : ''));
+ }
+}
diff --git a/lib/Twig/Loader/Filesystem.php b/lib/Twig/Loader/Filesystem.php
new file mode 100644
index 0000000..1374c7a
--- /dev/null
+++ b/lib/Twig/Loader/Filesystem.php
@@ -0,0 +1,282 @@
+
+ */
+class Twig_Loader_Filesystem implements Twig_LoaderInterface, Twig_ExistsLoaderInterface, Twig_SourceContextLoaderInterface
+{
+ /** Identifier of the main namespace. */
+ const MAIN_NAMESPACE = '__main__';
+
+ protected $paths = array();
+ protected $cache = array();
+ protected $errorCache = array();
+
+ private $rootPath;
+
+ /**
+ * @param string|array $paths A path or an array of paths where to look for templates
+ * @param string|null $rootPath The root path common to all relative paths (null for getcwd())
+ */
+ public function __construct($paths = array(), $rootPath = null)
+ {
+ $this->rootPath = (null === $rootPath ? getcwd() : $rootPath).DIRECTORY_SEPARATOR;
+ if (false !== $realPath = realpath($rootPath)) {
+ $this->rootPath = $realPath.DIRECTORY_SEPARATOR;
+ }
+
+ if ($paths) {
+ $this->setPaths($paths);
+ }
+ }
+
+ /**
+ * Returns the paths to the templates.
+ *
+ * @param string $namespace A path namespace
+ *
+ * @return array The array of paths where to look for templates
+ */
+ public function getPaths($namespace = self::MAIN_NAMESPACE)
+ {
+ return isset($this->paths[$namespace]) ? $this->paths[$namespace] : array();
+ }
+
+ /**
+ * Returns the path namespaces.
+ *
+ * The main namespace is always defined.
+ *
+ * @return array The array of defined namespaces
+ */
+ public function getNamespaces()
+ {
+ return array_keys($this->paths);
+ }
+
+ /**
+ * Sets the paths where templates are stored.
+ *
+ * @param string|array $paths A path or an array of paths where to look for templates
+ * @param string $namespace A path namespace
+ */
+ public function setPaths($paths, $namespace = self::MAIN_NAMESPACE)
+ {
+ if (!is_array($paths)) {
+ $paths = array($paths);
+ }
+
+ $this->paths[$namespace] = array();
+ foreach ($paths as $path) {
+ $this->addPath($path, $namespace);
+ }
+ }
+
+ /**
+ * Adds a path where templates are stored.
+ *
+ * @param string $path A path where to look for templates
+ * @param string $namespace A path namespace
+ *
+ * @throws Twig_Error_Loader
+ */
+ public function addPath($path, $namespace = self::MAIN_NAMESPACE)
+ {
+ // invalidate the cache
+ $this->cache = $this->errorCache = array();
+
+ $checkPath = $this->isAbsolutePath($path) ? $path : $this->rootPath.$path;
+ if (!is_dir($checkPath)) {
+ throw new Twig_Error_Loader(sprintf('The "%s" directory does not exist ("%s").', $path, $checkPath));
+ }
+
+ $this->paths[$namespace][] = rtrim($path, '/\\');
+ }
+
+ /**
+ * Prepends a path where templates are stored.
+ *
+ * @param string $path A path where to look for templates
+ * @param string $namespace A path namespace
+ *
+ * @throws Twig_Error_Loader
+ */
+ public function prependPath($path, $namespace = self::MAIN_NAMESPACE)
+ {
+ // invalidate the cache
+ $this->cache = $this->errorCache = array();
+
+ $checkPath = $this->isAbsolutePath($path) ? $path : $this->rootPath.$path;
+ if (!is_dir($checkPath)) {
+ throw new Twig_Error_Loader(sprintf('The "%s" directory does not exist ("%s").', $path, $checkPath));
+ }
+
+ $path = rtrim($path, '/\\');
+
+ if (!isset($this->paths[$namespace])) {
+ $this->paths[$namespace][] = $path;
+ } else {
+ array_unshift($this->paths[$namespace], $path);
+ }
+ }
+
+ public function getSourceContext($name)
+ {
+ $path = $this->findTemplate($name);
+
+ return new Twig_Source(file_get_contents($path), $name, $path);
+ }
+
+ public function getCacheKey($name)
+ {
+ $path = $this->findTemplate($name);
+ $len = strlen($this->rootPath);
+ if (0 === strncmp($this->rootPath, $path, $len)) {
+ return substr($path, $len);
+ }
+
+ return $path;
+ }
+
+ public function exists($name)
+ {
+ $name = $this->normalizeName($name);
+
+ if (isset($this->cache[$name])) {
+ return true;
+ }
+
+ return false !== $this->findTemplate($name, false);
+ }
+
+ public function isFresh($name, $time)
+ {
+ return filemtime($this->findTemplate($name)) <= $time;
+ }
+
+ /**
+ * Checks if the template can be found.
+ *
+ * @param string $name The template name
+ * @param bool $throw Whether to throw an exception when an error occurs
+ *
+ * @return string|false The template name or false
+ */
+ protected function findTemplate($name, $throw = true)
+ {
+ $name = $this->normalizeName($name);
+
+ if (isset($this->cache[$name])) {
+ return $this->cache[$name];
+ }
+
+ if (isset($this->errorCache[$name])) {
+ if (!$throw) {
+ return false;
+ }
+
+ throw new Twig_Error_Loader($this->errorCache[$name]);
+ }
+
+ $this->validateName($name);
+
+ list($namespace, $shortname) = $this->parseName($name);
+
+ if (!isset($this->paths[$namespace])) {
+ $this->errorCache[$name] = sprintf('There are no registered paths for namespace "%s".', $namespace);
+
+ if (!$throw) {
+ return false;
+ }
+
+ throw new Twig_Error_Loader($this->errorCache[$name]);
+ }
+
+ foreach ($this->paths[$namespace] as $path) {
+ if (!$this->isAbsolutePath($path)) {
+ $path = $this->rootPath.'/'.$path;
+ }
+
+ if (is_file($path.'/'.$shortname)) {
+ if (false !== $realpath = realpath($path.'/'.$shortname)) {
+ return $this->cache[$name] = $realpath;
+ }
+
+ return $this->cache[$name] = $path.'/'.$shortname;
+ }
+ }
+
+ $this->errorCache[$name] = sprintf('Unable to find template "%s" (looked into: %s).', $name, implode(', ', $this->paths[$namespace]));
+
+ if (!$throw) {
+ return false;
+ }
+
+ throw new Twig_Error_Loader($this->errorCache[$name]);
+ }
+
+ private function normalizeName($name)
+ {
+ return preg_replace('#/{2,}#', '/', str_replace('\\', '/', $name));
+ }
+
+ private function parseName($name, $default = self::MAIN_NAMESPACE)
+ {
+ if (isset($name[0]) && '@' == $name[0]) {
+ if (false === $pos = strpos($name, '/')) {
+ throw new Twig_Error_Loader(sprintf('Malformed namespaced template name "%s" (expecting "@namespace/template_name").', $name));
+ }
+
+ $namespace = substr($name, 1, $pos - 1);
+ $shortname = substr($name, $pos + 1);
+
+ return array($namespace, $shortname);
+ }
+
+ return array($default, $name);
+ }
+
+ private function validateName($name)
+ {
+ if (false !== strpos($name, "\0")) {
+ throw new Twig_Error_Loader('A template name cannot contain NUL bytes.');
+ }
+
+ $name = ltrim($name, '/');
+ $parts = explode('/', $name);
+ $level = 0;
+ foreach ($parts as $part) {
+ if ('..' === $part) {
+ --$level;
+ } elseif ('.' !== $part) {
+ ++$level;
+ }
+
+ if ($level < 0) {
+ throw new Twig_Error_Loader(sprintf('Looks like you try to load a template outside configured directories (%s).', $name));
+ }
+ }
+ }
+
+ private function isAbsolutePath($file)
+ {
+ return strspn($file, '/\\', 0, 1)
+ || (strlen($file) > 3 && ctype_alpha($file[0])
+ && ':' === $file[1]
+ && strspn($file, '/\\', 2, 1)
+ )
+ || null !== parse_url($file, PHP_URL_SCHEME)
+ ;
+ }
+}
diff --git a/lib/Twig/LoaderInterface.php b/lib/Twig/LoaderInterface.php
new file mode 100644
index 0000000..11be062
--- /dev/null
+++ b/lib/Twig/LoaderInterface.php
@@ -0,0 +1,62 @@
+
+ */
+interface Twig_LoaderInterface
+{
+ /**
+ * Returns the source context for a given template logical name.
+ *
+ * @param string $name The template logical name
+ *
+ * @return Twig_Source
+ *
+ * @throws Twig_Error_Loader When $name is not found
+ */
+ public function getSourceContext($name);
+
+ /**
+ * Gets the cache key to use for the cache for a given template name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The cache key
+ *
+ * @throws Twig_Error_Loader When $name is not found
+ */
+ public function getCacheKey($name);
+
+ /**
+ * Returns true if the template is still fresh.
+ *
+ * @param string $name The template name
+ * @param int $time Timestamp of the last modification time of the
+ * cached template
+ *
+ * @return bool true if the template is fresh, false otherwise
+ *
+ * @throws Twig_Error_Loader When $name is not found
+ */
+ public function isFresh($name, $time);
+
+ /**
+ * Check if we have the source code of a template, given its name.
+ *
+ * @param string $name The name of the template to check if we can load
+ *
+ * @return bool If the template source code is handled by this loader or not
+ */
+ public function exists($name);
+}
diff --git a/lib/Twig/Markup.php b/lib/Twig/Markup.php
new file mode 100644
index 0000000..8c8741e
--- /dev/null
+++ b/lib/Twig/Markup.php
@@ -0,0 +1,42 @@
+
+ */
+class Twig_Markup implements Countable, JsonSerializable
+{
+ private $content;
+ private $charset;
+
+ public function __construct($content, $charset)
+ {
+ $this->content = (string) $content;
+ $this->charset = $charset;
+ }
+
+ public function __toString()
+ {
+ return $this->content;
+ }
+
+ public function count()
+ {
+ return mb_strlen($this->content, $this->charset);
+ }
+
+ public function jsonSerialize()
+ {
+ return $this->content;
+ }
+}
diff --git a/lib/Twig/Node.php b/lib/Twig/Node.php
new file mode 100644
index 0000000..71eeb95
--- /dev/null
+++ b/lib/Twig/Node.php
@@ -0,0 +1,182 @@
+
+ */
+class Twig_Node implements Countable, IteratorAggregate
+{
+ protected $nodes;
+ protected $attributes;
+ protected $lineno;
+ protected $tag;
+
+ private $name;
+
+ /**
+ * Constructor.
+ *
+ * The nodes are automatically made available as properties ($this->node).
+ * The attributes are automatically made available as array items ($this['name']).
+ *
+ * @param array $nodes An array of named nodes
+ * @param array $attributes An array of attributes (should not be nodes)
+ * @param int $lineno The line number
+ * @param string $tag The tag name associated with the Node
+ */
+ public function __construct(array $nodes = array(), array $attributes = array(), $lineno = 0, $tag = null)
+ {
+ foreach ($nodes as $name => $node) {
+ if (!$node instanceof self) {
+ throw new InvalidArgumentException(sprintf('Using "%s" for the value of node "%s" of "%s" is not supported. You must pass a Twig_Node instance.', is_object($node) ? get_class($node) : null === $node ? 'null' : gettype($node), $name, get_class($this)));
+ }
+ }
+ $this->nodes = $nodes;
+ $this->attributes = $attributes;
+ $this->lineno = $lineno;
+ $this->tag = $tag;
+ }
+
+ public function __toString()
+ {
+ $attributes = array();
+ foreach ($this->attributes as $name => $value) {
+ $attributes[] = sprintf('%s: %s', $name, str_replace("\n", '', var_export($value, true)));
+ }
+
+ $repr = array(get_class($this).'('.implode(', ', $attributes));
+
+ if (count($this->nodes)) {
+ foreach ($this->nodes as $name => $node) {
+ $len = strlen($name) + 4;
+ $noderepr = array();
+ foreach (explode("\n", (string) $node) as $line) {
+ $noderepr[] = str_repeat(' ', $len).$line;
+ }
+
+ $repr[] = sprintf(' %s: %s', $name, ltrim(implode("\n", $noderepr)));
+ }
+
+ $repr[] = ')';
+ } else {
+ $repr[0] .= ')';
+ }
+
+ return implode("\n", $repr);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ foreach ($this->nodes as $node) {
+ $node->compile($compiler);
+ }
+ }
+
+ public function getTemplateLine()
+ {
+ return $this->lineno;
+ }
+
+ public function getNodeTag()
+ {
+ return $this->tag;
+ }
+
+ /**
+ * @return bool
+ */
+ public function hasAttribute($name)
+ {
+ return array_key_exists($name, $this->attributes);
+ }
+
+ /**
+ * @return mixed
+ */
+ public function getAttribute($name)
+ {
+ if (!array_key_exists($name, $this->attributes)) {
+ throw new LogicException(sprintf('Attribute "%s" does not exist for Node "%s".', $name, get_class($this)));
+ }
+
+ return $this->attributes[$name];
+ }
+
+ /**
+ * @param string $name
+ * @param mixed $value
+ */
+ public function setAttribute($name, $value)
+ {
+ $this->attributes[$name] = $value;
+ }
+
+ public function removeAttribute($name)
+ {
+ unset($this->attributes[$name]);
+ }
+
+ /**
+ * @return bool
+ */
+ public function hasNode($name)
+ {
+ return isset($this->nodes[$name]);
+ }
+
+ /**
+ * @return Twig_Node
+ */
+ public function getNode($name)
+ {
+ if (!isset($this->nodes[$name])) {
+ throw new LogicException(sprintf('Node "%s" does not exist for Node "%s".', $name, get_class($this)));
+ }
+
+ return $this->nodes[$name];
+ }
+
+ public function setNode($name, Twig_Node $node)
+ {
+ $this->nodes[$name] = $node;
+ }
+
+ public function removeNode($name)
+ {
+ unset($this->nodes[$name]);
+ }
+
+ public function count()
+ {
+ return count($this->nodes);
+ }
+
+ public function getIterator()
+ {
+ return new ArrayIterator($this->nodes);
+ }
+
+ public function setTemplateName($name)
+ {
+ $this->name = $name;
+ foreach ($this->nodes as $node) {
+ $node->setTemplateName($name);
+ }
+ }
+
+ public function getTemplateName()
+ {
+ return $this->name;
+ }
+}
diff --git a/lib/Twig/Node/AutoEscape.php b/lib/Twig/Node/AutoEscape.php
new file mode 100644
index 0000000..397d3d8
--- /dev/null
+++ b/lib/Twig/Node/AutoEscape.php
@@ -0,0 +1,34 @@
+
+ */
+class Twig_Node_AutoEscape extends Twig_Node
+{
+ public function __construct($value, Twig_Node $body, $lineno, $tag = 'autoescape')
+ {
+ parent::__construct(array('body' => $body), array('value' => $value), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->subcompile($this->getNode('body'));
+ }
+}
diff --git a/lib/Twig/Node/Block.php b/lib/Twig/Node/Block.php
new file mode 100644
index 0000000..7130a6d
--- /dev/null
+++ b/lib/Twig/Node/Block.php
@@ -0,0 +1,39 @@
+
+ */
+class Twig_Node_Block extends Twig_Node
+{
+ public function __construct($name, Twig_Node $body, $lineno, $tag = null)
+ {
+ parent::__construct(array('body' => $body), array('name' => $name), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write(sprintf("public function block_%s(\$context, array \$blocks = array())\n", $this->getAttribute('name')), "{\n")
+ ->indent()
+ ;
+
+ $compiler
+ ->subcompile($this->getNode('body'))
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+}
diff --git a/lib/Twig/Node/BlockReference.php b/lib/Twig/Node/BlockReference.php
new file mode 100644
index 0000000..9cd1551
--- /dev/null
+++ b/lib/Twig/Node/BlockReference.php
@@ -0,0 +1,32 @@
+
+ */
+class Twig_Node_BlockReference extends Twig_Node implements Twig_NodeOutputInterface
+{
+ public function __construct($name, $lineno, $tag = null)
+ {
+ parent::__construct(array(), array('name' => $name), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write(sprintf("\$this->displayBlock('%s', \$context, \$blocks);\n", $this->getAttribute('name')))
+ ;
+ }
+}
diff --git a/lib/Twig/Node/Body.php b/lib/Twig/Node/Body.php
new file mode 100644
index 0000000..3ffb134
--- /dev/null
+++ b/lib/Twig/Node/Body.php
@@ -0,0 +1,19 @@
+
+ */
+class Twig_Node_Body extends Twig_Node
+{
+}
diff --git a/lib/Twig/Node/CheckSecurity.php b/lib/Twig/Node/CheckSecurity.php
new file mode 100644
index 0000000..275192f
--- /dev/null
+++ b/lib/Twig/Node/CheckSecurity.php
@@ -0,0 +1,78 @@
+
+ */
+class Twig_Node_CheckSecurity extends Twig_Node
+{
+ private $usedFilters;
+ private $usedTags;
+ private $usedFunctions;
+
+ public function __construct(array $usedFilters, array $usedTags, array $usedFunctions)
+ {
+ $this->usedFilters = $usedFilters;
+ $this->usedTags = $usedTags;
+ $this->usedFunctions = $usedFunctions;
+
+ parent::__construct();
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $tags = $filters = $functions = array();
+ foreach (array('tags', 'filters', 'functions') as $type) {
+ foreach ($this->{'used'.ucfirst($type)} as $name => $node) {
+ if ($node instanceof Twig_Node) {
+ ${$type}[$name] = $node->getTemplateLine();
+ } else {
+ ${$type}[$node] = null;
+ }
+ }
+ }
+
+ $compiler
+ ->write('$tags = ')->repr(array_filter($tags))->raw(";\n")
+ ->write('$filters = ')->repr(array_filter($filters))->raw(";\n")
+ ->write('$functions = ')->repr(array_filter($functions))->raw(";\n\n")
+ ->write("try {\n")
+ ->indent()
+ ->write("\$this->env->getExtension('Twig_Extension_Sandbox')->checkSecurity(\n")
+ ->indent()
+ ->write(!$tags ? "array(),\n" : "array('".implode("', '", array_keys($tags))."'),\n")
+ ->write(!$filters ? "array(),\n" : "array('".implode("', '", array_keys($filters))."'),\n")
+ ->write(!$functions ? "array()\n" : "array('".implode("', '", array_keys($functions))."')\n")
+ ->outdent()
+ ->write(");\n")
+ ->outdent()
+ ->write("} catch (Twig_Sandbox_SecurityError \$e) {\n")
+ ->indent()
+ ->write("\$e->setSourceContext(\$this->getSourceContext());\n\n")
+ ->write("if (\$e instanceof Twig_Sandbox_SecurityNotAllowedTagError && isset(\$tags[\$e->getTagName()])) {\n")
+ ->indent()
+ ->write("\$e->setTemplateLine(\$tags[\$e->getTagName()]);\n")
+ ->outdent()
+ ->write("} elseif (\$e instanceof Twig_Sandbox_SecurityNotAllowedFilterError && isset(\$filters[\$e->getFilterName()])) {\n")
+ ->indent()
+ ->write("\$e->setTemplateLine(\$filters[\$e->getFilterName()]);\n")
+ ->outdent()
+ ->write("} elseif (\$e instanceof Twig_Sandbox_SecurityNotAllowedFunctionError && isset(\$functions[\$e->getFunctionName()])) {\n")
+ ->indent()
+ ->write("\$e->setTemplateLine(\$functions[\$e->getFunctionName()]);\n")
+ ->outdent()
+ ->write("}\n\n")
+ ->write("throw \$e;\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+}
diff --git a/lib/Twig/Node/Do.php b/lib/Twig/Node/Do.php
new file mode 100644
index 0000000..14fb84e
--- /dev/null
+++ b/lib/Twig/Node/Do.php
@@ -0,0 +1,33 @@
+
+ */
+class Twig_Node_Do extends Twig_Node
+{
+ public function __construct(Twig_Node_Expression $expr, $lineno, $tag = null)
+ {
+ parent::__construct(array('expr' => $expr), array(), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write('')
+ ->subcompile($this->getNode('expr'))
+ ->raw(";\n")
+ ;
+ }
+}
diff --git a/lib/Twig/Node/Embed.php b/lib/Twig/Node/Embed.php
new file mode 100644
index 0000000..875e807
--- /dev/null
+++ b/lib/Twig/Node/Embed.php
@@ -0,0 +1,42 @@
+
+ */
+class Twig_Node_Embed extends Twig_Node_Include
+{
+ // we don't inject the module to avoid node visitors to traverse it twice (as it will be already visited in the main module)
+ public function __construct($name, $index, Twig_Node_Expression $variables = null, $only = false, $ignoreMissing = false, $lineno, $tag = null)
+ {
+ parent::__construct(new Twig_Node_Expression_Constant('not_used', $lineno), $variables, $only, $ignoreMissing, $lineno, $tag);
+
+ $this->setAttribute('name', $name);
+ $this->setAttribute('index', $index);
+ }
+
+ protected function addGetTemplate(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write('$this->loadTemplate(')
+ ->string($this->getAttribute('name'))
+ ->raw(', ')
+ ->repr($this->getTemplateName())
+ ->raw(', ')
+ ->repr($this->getTemplateLine())
+ ->raw(', ')
+ ->string($this->getAttribute('index'))
+ ->raw(')')
+ ;
+ }
+}
diff --git a/lib/Twig/Node/Expression.php b/lib/Twig/Node/Expression.php
new file mode 100644
index 0000000..a7382e7
--- /dev/null
+++ b/lib/Twig/Node/Expression.php
@@ -0,0 +1,20 @@
+
+ */
+abstract class Twig_Node_Expression extends Twig_Node
+{
+}
diff --git a/lib/Twig/Node/Expression/Array.php b/lib/Twig/Node/Expression/Array.php
new file mode 100644
index 0000000..d33786c
--- /dev/null
+++ b/lib/Twig/Node/Expression/Array.php
@@ -0,0 +1,81 @@
+index = -1;
+ foreach ($this->getKeyValuePairs() as $pair) {
+ if ($pair['key'] instanceof Twig_Node_Expression_Constant && ctype_digit((string) $pair['key']->getAttribute('value')) && $pair['key']->getAttribute('value') > $this->index) {
+ $this->index = $pair['key']->getAttribute('value');
+ }
+ }
+ }
+
+ public function getKeyValuePairs()
+ {
+ $pairs = array();
+
+ foreach (array_chunk($this->nodes, 2) as $pair) {
+ $pairs[] = array(
+ 'key' => $pair[0],
+ 'value' => $pair[1],
+ );
+ }
+
+ return $pairs;
+ }
+
+ public function hasElement(Twig_Node_Expression $key)
+ {
+ foreach ($this->getKeyValuePairs() as $pair) {
+ // we compare the string representation of the keys
+ // to avoid comparing the line numbers which are not relevant here.
+ if ((string) $key === (string) $pair['key']) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ public function addElement(Twig_Node_Expression $value, Twig_Node_Expression $key = null)
+ {
+ if (null === $key) {
+ $key = new Twig_Node_Expression_Constant(++$this->index, $value->getTemplateLine());
+ }
+
+ array_push($this->nodes, $key, $value);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->raw('array(');
+ $first = true;
+ foreach ($this->getKeyValuePairs() as $pair) {
+ if (!$first) {
+ $compiler->raw(', ');
+ }
+ $first = false;
+
+ $compiler
+ ->subcompile($pair['key'])
+ ->raw(' => ')
+ ->subcompile($pair['value'])
+ ;
+ }
+ $compiler->raw(')');
+ }
+}
diff --git a/lib/Twig/Node/Expression/AssignName.php b/lib/Twig/Node/Expression/AssignName.php
new file mode 100644
index 0000000..ce0c5fb
--- /dev/null
+++ b/lib/Twig/Node/Expression/AssignName.php
@@ -0,0 +1,23 @@
+raw('$context[')
+ ->string($this->getAttribute('name'))
+ ->raw(']')
+ ;
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary.php b/lib/Twig/Node/Expression/Binary.php
new file mode 100644
index 0000000..0f1f9e0
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary.php
@@ -0,0 +1,35 @@
+ $left, 'right' => $right), array(), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(')
+ ->subcompile($this->getNode('left'))
+ ->raw(' ')
+ ;
+ $this->operator($compiler);
+ $compiler
+ ->raw(' ')
+ ->subcompile($this->getNode('right'))
+ ->raw(')')
+ ;
+ }
+
+ abstract public function operator(Twig_Compiler $compiler);
+}
diff --git a/lib/Twig/Node/Expression/Binary/Add.php b/lib/Twig/Node/Expression/Binary/Add.php
new file mode 100644
index 0000000..0ef8e11
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/Add.php
@@ -0,0 +1,18 @@
+raw('+');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/And.php b/lib/Twig/Node/Expression/Binary/And.php
new file mode 100644
index 0000000..d5752eb
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/And.php
@@ -0,0 +1,18 @@
+raw('&&');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/BitwiseAnd.php b/lib/Twig/Node/Expression/Binary/BitwiseAnd.php
new file mode 100644
index 0000000..9a46d84
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/BitwiseAnd.php
@@ -0,0 +1,18 @@
+raw('&');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/BitwiseOr.php b/lib/Twig/Node/Expression/Binary/BitwiseOr.php
new file mode 100644
index 0000000..058a20b
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/BitwiseOr.php
@@ -0,0 +1,18 @@
+raw('|');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/BitwiseXor.php b/lib/Twig/Node/Expression/Binary/BitwiseXor.php
new file mode 100644
index 0000000..f4da73d
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/BitwiseXor.php
@@ -0,0 +1,18 @@
+raw('^');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/Concat.php b/lib/Twig/Node/Expression/Binary/Concat.php
new file mode 100644
index 0000000..f9a6462
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/Concat.php
@@ -0,0 +1,18 @@
+raw('.');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/Div.php b/lib/Twig/Node/Expression/Binary/Div.php
new file mode 100644
index 0000000..e0797a6
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/Div.php
@@ -0,0 +1,18 @@
+raw('/');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/EndsWith.php b/lib/Twig/Node/Expression/Binary/EndsWith.php
new file mode 100644
index 0000000..93b3b96
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/EndsWith.php
@@ -0,0 +1,30 @@
+getVarName();
+ $right = $compiler->getVarName();
+ $compiler
+ ->raw(sprintf('(is_string($%s = ', $left))
+ ->subcompile($this->getNode('left'))
+ ->raw(sprintf(') && is_string($%s = ', $right))
+ ->subcompile($this->getNode('right'))
+ ->raw(sprintf(') && (\'\' === $%2$s || $%2$s === substr($%1$s, -strlen($%2$s))))', $left, $right))
+ ;
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/Equal.php b/lib/Twig/Node/Expression/Binary/Equal.php
new file mode 100644
index 0000000..7b1236d
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/Equal.php
@@ -0,0 +1,17 @@
+raw('==');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/FloorDiv.php b/lib/Twig/Node/Expression/Binary/FloorDiv.php
new file mode 100644
index 0000000..6bbba62
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/FloorDiv.php
@@ -0,0 +1,24 @@
+raw('(int) floor(');
+ parent::compile($compiler);
+ $compiler->raw(')');
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('/');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/Greater.php b/lib/Twig/Node/Expression/Binary/Greater.php
new file mode 100644
index 0000000..a110bd9
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/Greater.php
@@ -0,0 +1,17 @@
+raw('>');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/GreaterEqual.php b/lib/Twig/Node/Expression/Binary/GreaterEqual.php
new file mode 100644
index 0000000..3754fed
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/GreaterEqual.php
@@ -0,0 +1,17 @@
+raw('>=');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/In.php b/lib/Twig/Node/Expression/Binary/In.php
new file mode 100644
index 0000000..9565a60
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/In.php
@@ -0,0 +1,28 @@
+raw('twig_in_filter(')
+ ->subcompile($this->getNode('left'))
+ ->raw(', ')
+ ->subcompile($this->getNode('right'))
+ ->raw(')')
+ ;
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('in');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/Less.php b/lib/Twig/Node/Expression/Binary/Less.php
new file mode 100644
index 0000000..45fd300
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/Less.php
@@ -0,0 +1,17 @@
+raw('<');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/LessEqual.php b/lib/Twig/Node/Expression/Binary/LessEqual.php
new file mode 100644
index 0000000..e38e257
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/LessEqual.php
@@ -0,0 +1,17 @@
+raw('<=');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/Matches.php b/lib/Twig/Node/Expression/Binary/Matches.php
new file mode 100644
index 0000000..93bb292
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/Matches.php
@@ -0,0 +1,28 @@
+raw('preg_match(')
+ ->subcompile($this->getNode('right'))
+ ->raw(', ')
+ ->subcompile($this->getNode('left'))
+ ->raw(')')
+ ;
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/Mod.php b/lib/Twig/Node/Expression/Binary/Mod.php
new file mode 100644
index 0000000..9924114
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/Mod.php
@@ -0,0 +1,18 @@
+raw('%');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/Mul.php b/lib/Twig/Node/Expression/Binary/Mul.php
new file mode 100644
index 0000000..c91529c
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/Mul.php
@@ -0,0 +1,18 @@
+raw('*');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/NotEqual.php b/lib/Twig/Node/Expression/Binary/NotEqual.php
new file mode 100644
index 0000000..26867ba
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/NotEqual.php
@@ -0,0 +1,17 @@
+raw('!=');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/NotIn.php b/lib/Twig/Node/Expression/Binary/NotIn.php
new file mode 100644
index 0000000..49ab39e
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/NotIn.php
@@ -0,0 +1,28 @@
+raw('!twig_in_filter(')
+ ->subcompile($this->getNode('left'))
+ ->raw(', ')
+ ->subcompile($this->getNode('right'))
+ ->raw(')')
+ ;
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('not in');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/Or.php b/lib/Twig/Node/Expression/Binary/Or.php
new file mode 100644
index 0000000..adba49c
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/Or.php
@@ -0,0 +1,18 @@
+raw('||');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/Power.php b/lib/Twig/Node/Expression/Binary/Power.php
new file mode 100644
index 0000000..8e217f4
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/Power.php
@@ -0,0 +1,17 @@
+raw('**');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/Range.php b/lib/Twig/Node/Expression/Binary/Range.php
new file mode 100644
index 0000000..692ec9c
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/Range.php
@@ -0,0 +1,28 @@
+raw('range(')
+ ->subcompile($this->getNode('left'))
+ ->raw(', ')
+ ->subcompile($this->getNode('right'))
+ ->raw(')')
+ ;
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('..');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/StartsWith.php b/lib/Twig/Node/Expression/Binary/StartsWith.php
new file mode 100644
index 0000000..d2e30d6
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/StartsWith.php
@@ -0,0 +1,30 @@
+getVarName();
+ $right = $compiler->getVarName();
+ $compiler
+ ->raw(sprintf('(is_string($%s = ', $left))
+ ->subcompile($this->getNode('left'))
+ ->raw(sprintf(') && is_string($%s = ', $right))
+ ->subcompile($this->getNode('right'))
+ ->raw(sprintf(') && (\'\' === $%2$s || 0 === strpos($%1$s, $%2$s)))', $left, $right))
+ ;
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Binary/Sub.php b/lib/Twig/Node/Expression/Binary/Sub.php
new file mode 100644
index 0000000..d446399
--- /dev/null
+++ b/lib/Twig/Node/Expression/Binary/Sub.php
@@ -0,0 +1,18 @@
+raw('-');
+ }
+}
diff --git a/lib/Twig/Node/Expression/BlockReference.php b/lib/Twig/Node/Expression/BlockReference.php
new file mode 100644
index 0000000..8c921b0
--- /dev/null
+++ b/lib/Twig/Node/Expression/BlockReference.php
@@ -0,0 +1,82 @@
+
+ */
+class Twig_Node_Expression_BlockReference extends Twig_Node_Expression
+{
+ public function __construct(Twig_Node $name, Twig_Node $template = null, $lineno, $tag = null)
+ {
+ $nodes = array('name' => $name);
+ if (null !== $template) {
+ $nodes['template'] = $template;
+ }
+
+ parent::__construct($nodes, array('is_defined_test' => false, 'output' => false), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ if ($this->getAttribute('is_defined_test')) {
+ $this->compileTemplateCall($compiler, 'hasBlock');
+ } else {
+ if ($this->getAttribute('output')) {
+ $compiler->addDebugInfo($this);
+
+ $this
+ ->compileTemplateCall($compiler, 'displayBlock')
+ ->raw(";\n");
+ } else {
+ $this->compileTemplateCall($compiler, 'renderBlock');
+ }
+ }
+ }
+
+ private function compileTemplateCall(Twig_Compiler $compiler, $method)
+ {
+ if (!$this->hasNode('template')) {
+ $compiler->write('$this');
+ } else {
+ $compiler
+ ->write('$this->loadTemplate(')
+ ->subcompile($this->getNode('template'))
+ ->raw(', ')
+ ->repr($this->getTemplateName())
+ ->raw(', ')
+ ->repr($this->getTemplateLine())
+ ->raw(')')
+ ;
+ }
+
+ $compiler->raw(sprintf('->%s', $method));
+ $this->compileBlockArguments($compiler);
+
+ return $compiler;
+ }
+
+ private function compileBlockArguments(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(')
+ ->subcompile($this->getNode('name'))
+ ->raw(', $context');
+
+ if (!$this->hasNode('template')) {
+ $compiler->raw(', $blocks');
+ }
+
+ return $compiler->raw(')');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Call.php b/lib/Twig/Node/Expression/Call.php
new file mode 100644
index 0000000..5fd51ab
--- /dev/null
+++ b/lib/Twig/Node/Expression/Call.php
@@ -0,0 +1,284 @@
+getAttribute('callable');
+
+ $closingParenthesis = false;
+ if (is_string($callable) && false === strpos($callable, '::')) {
+ $compiler->raw($callable);
+ } else {
+ list($r, $callable) = $this->reflectCallable($callable);
+ if ($r instanceof ReflectionMethod && is_string($callable[0])) {
+ if ($r->isStatic()) {
+ $compiler->raw(sprintf('%s::%s', $callable[0], $callable[1]));
+ } else {
+ $compiler->raw(sprintf('$this->env->getRuntime(\'%s\')->%s', $callable[0], $callable[1]));
+ }
+ } elseif ($r instanceof ReflectionMethod && $callable[0] instanceof Twig_ExtensionInterface) {
+ $compiler->raw(sprintf('$this->env->getExtension(\'%s\')->%s', get_class($callable[0]), $callable[1]));
+ } else {
+ $closingParenthesis = true;
+ $compiler->raw(sprintf('call_user_func_array($this->env->get%s(\'%s\')->getCallable(), array', ucfirst($this->getAttribute('type')), $this->getAttribute('name')));
+ }
+ }
+
+ $this->compileArguments($compiler);
+
+ if ($closingParenthesis) {
+ $compiler->raw(')');
+ }
+ }
+
+ protected function compileArguments(Twig_Compiler $compiler)
+ {
+ $compiler->raw('(');
+
+ $first = true;
+
+ if ($this->hasAttribute('needs_environment') && $this->getAttribute('needs_environment')) {
+ $compiler->raw('$this->env');
+ $first = false;
+ }
+
+ if ($this->hasAttribute('needs_context') && $this->getAttribute('needs_context')) {
+ if (!$first) {
+ $compiler->raw(', ');
+ }
+ $compiler->raw('$context');
+ $first = false;
+ }
+
+ if ($this->hasAttribute('arguments')) {
+ foreach ($this->getAttribute('arguments') as $argument) {
+ if (!$first) {
+ $compiler->raw(', ');
+ }
+ $compiler->string($argument);
+ $first = false;
+ }
+ }
+
+ if ($this->hasNode('node')) {
+ if (!$first) {
+ $compiler->raw(', ');
+ }
+ $compiler->subcompile($this->getNode('node'));
+ $first = false;
+ }
+
+ if ($this->hasNode('arguments')) {
+ $callable = $this->getAttribute('callable');
+ $arguments = $this->getArguments($callable, $this->getNode('arguments'));
+ foreach ($arguments as $node) {
+ if (!$first) {
+ $compiler->raw(', ');
+ }
+ $compiler->subcompile($node);
+ $first = false;
+ }
+ }
+
+ $compiler->raw(')');
+ }
+
+ protected function getArguments($callable = null, $arguments)
+ {
+ $callType = $this->getAttribute('type');
+ $callName = $this->getAttribute('name');
+
+ $parameters = array();
+ $named = false;
+ foreach ($arguments as $name => $node) {
+ if (!is_int($name)) {
+ $named = true;
+ $name = $this->normalizeName($name);
+ } elseif ($named) {
+ throw new Twig_Error_Syntax(sprintf('Positional arguments cannot be used after named arguments for %s "%s".', $callType, $callName));
+ }
+
+ $parameters[$name] = $node;
+ }
+
+ $isVariadic = $this->hasAttribute('is_variadic') && $this->getAttribute('is_variadic');
+ if (!$named && !$isVariadic) {
+ return $parameters;
+ }
+
+ if (!$callable) {
+ if ($named) {
+ $message = sprintf('Named arguments are not supported for %s "%s".', $callType, $callName);
+ } else {
+ $message = sprintf('Arbitrary positional arguments are not supported for %s "%s".', $callType, $callName);
+ }
+
+ throw new LogicException($message);
+ }
+
+ $callableParameters = $this->getCallableParameters($callable, $isVariadic);
+ $arguments = array();
+ $names = array();
+ $missingArguments = array();
+ $optionalArguments = array();
+ $pos = 0;
+ foreach ($callableParameters as $callableParameter) {
+ $names[] = $name = $this->normalizeName($callableParameter->name);
+
+ if (array_key_exists($name, $parameters)) {
+ if (array_key_exists($pos, $parameters)) {
+ throw new Twig_Error_Syntax(sprintf('Argument "%s" is defined twice for %s "%s".', $name, $callType, $callName));
+ }
+
+ if (count($missingArguments)) {
+ throw new Twig_Error_Syntax(sprintf(
+ 'Argument "%s" could not be assigned for %s "%s(%s)" because it is mapped to an internal PHP function which cannot determine default value for optional argument%s "%s".',
+ $name, $callType, $callName, implode(', ', $names), count($missingArguments) > 1 ? 's' : '', implode('", "', $missingArguments))
+ );
+ }
+
+ $arguments = array_merge($arguments, $optionalArguments);
+ $arguments[] = $parameters[$name];
+ unset($parameters[$name]);
+ $optionalArguments = array();
+ } elseif (array_key_exists($pos, $parameters)) {
+ $arguments = array_merge($arguments, $optionalArguments);
+ $arguments[] = $parameters[$pos];
+ unset($parameters[$pos]);
+ $optionalArguments = array();
+ ++$pos;
+ } elseif ($callableParameter->isDefaultValueAvailable()) {
+ $optionalArguments[] = new Twig_Node_Expression_Constant($callableParameter->getDefaultValue(), -1);
+ } elseif ($callableParameter->isOptional()) {
+ if (empty($parameters)) {
+ break;
+ } else {
+ $missingArguments[] = $name;
+ }
+ } else {
+ throw new Twig_Error_Syntax(sprintf('Value for argument "%s" is required for %s "%s".', $name, $callType, $callName));
+ }
+ }
+
+ if ($isVariadic) {
+ $arbitraryArguments = new Twig_Node_Expression_Array(array(), -1);
+ foreach ($parameters as $key => $value) {
+ if (is_int($key)) {
+ $arbitraryArguments->addElement($value);
+ } else {
+ $arbitraryArguments->addElement($value, new Twig_Node_Expression_Constant($key, -1));
+ }
+ unset($parameters[$key]);
+ }
+
+ if ($arbitraryArguments->count()) {
+ $arguments = array_merge($arguments, $optionalArguments);
+ $arguments[] = $arbitraryArguments;
+ }
+ }
+
+ if (!empty($parameters)) {
+ $unknownParameter = null;
+ foreach ($parameters as $parameter) {
+ if ($parameter instanceof Twig_Node) {
+ $unknownParameter = $parameter;
+ break;
+ }
+ }
+
+ throw new Twig_Error_Syntax(sprintf(
+ 'Unknown argument%s "%s" for %s "%s(%s)".',
+ count($parameters) > 1 ? 's' : '', implode('", "', array_keys($parameters)), $callType, $callName, implode(', ', $names)
+ ), $unknownParameter ? $unknownParameter->getTemplateLine() : -1);
+ }
+
+ return $arguments;
+ }
+
+ protected function normalizeName($name)
+ {
+ return strtolower(preg_replace(array('/([A-Z]+)([A-Z][a-z])/', '/([a-z\d])([A-Z])/'), array('\\1_\\2', '\\1_\\2'), $name));
+ }
+
+ private function getCallableParameters($callable, $isVariadic)
+ {
+ list($r) = $this->reflectCallable($callable);
+ if (null === $r) {
+ return array();
+ }
+
+ $parameters = $r->getParameters();
+ if ($this->hasNode('node')) {
+ array_shift($parameters);
+ }
+ if ($this->hasAttribute('needs_environment') && $this->getAttribute('needs_environment')) {
+ array_shift($parameters);
+ }
+ if ($this->hasAttribute('needs_context') && $this->getAttribute('needs_context')) {
+ array_shift($parameters);
+ }
+ if ($this->hasAttribute('arguments') && null !== $this->getAttribute('arguments')) {
+ foreach ($this->getAttribute('arguments') as $argument) {
+ array_shift($parameters);
+ }
+ }
+ if ($isVariadic) {
+ $argument = end($parameters);
+ if ($argument && $argument->isArray() && $argument->isDefaultValueAvailable() && array() === $argument->getDefaultValue()) {
+ array_pop($parameters);
+ } else {
+ $callableName = $r->name;
+ if ($r instanceof ReflectionMethod) {
+ $callableName = $r->getDeclaringClass()->name.'::'.$callableName;
+ }
+
+ throw new LogicException(sprintf('The last parameter of "%s" for %s "%s" must be an array with default value, eg. "array $arg = array()".', $callableName, $this->getAttribute('type'), $this->getAttribute('name')));
+ }
+ }
+
+ return $parameters;
+ }
+
+ private function reflectCallable($callable)
+ {
+ if (null !== $this->reflector) {
+ return $this->reflector;
+ }
+
+ if (is_array($callable)) {
+ if (!method_exists($callable[0], $callable[1])) {
+ // __call()
+ return array(null, array());
+ }
+ $r = new ReflectionMethod($callable[0], $callable[1]);
+ } elseif (is_object($callable) && !$callable instanceof Closure) {
+ $r = new ReflectionObject($callable);
+ $r = $r->getMethod('__invoke');
+ $callable = array($callable, '__invoke');
+ } elseif (is_string($callable) && false !== $pos = strpos($callable, '::')) {
+ $class = substr($callable, 0, $pos);
+ $method = substr($callable, $pos + 2);
+ if (!method_exists($class, $method)) {
+ // __staticCall()
+ return array(null, array());
+ }
+ $r = new ReflectionMethod($callable);
+ $callable = array($class, $method);
+ } else {
+ $r = new ReflectionFunction($callable);
+ }
+
+ return $this->reflector = array($r, $callable);
+ }
+}
diff --git a/lib/Twig/Node/Expression/Conditional.php b/lib/Twig/Node/Expression/Conditional.php
new file mode 100644
index 0000000..edcb1e2
--- /dev/null
+++ b/lib/Twig/Node/Expression/Conditional.php
@@ -0,0 +1,31 @@
+ $expr1, 'expr2' => $expr2, 'expr3' => $expr3), array(), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('((')
+ ->subcompile($this->getNode('expr1'))
+ ->raw(') ? (')
+ ->subcompile($this->getNode('expr2'))
+ ->raw(') : (')
+ ->subcompile($this->getNode('expr3'))
+ ->raw('))')
+ ;
+ }
+}
diff --git a/lib/Twig/Node/Expression/Constant.php b/lib/Twig/Node/Expression/Constant.php
new file mode 100644
index 0000000..a91dc69
--- /dev/null
+++ b/lib/Twig/Node/Expression/Constant.php
@@ -0,0 +1,23 @@
+ $value), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->repr($this->getAttribute('value'));
+ }
+}
diff --git a/lib/Twig/Node/Expression/Filter.php b/lib/Twig/Node/Expression/Filter.php
new file mode 100644
index 0000000..b1008d8
--- /dev/null
+++ b/lib/Twig/Node/Expression/Filter.php
@@ -0,0 +1,34 @@
+ $node, 'filter' => $filterName, 'arguments' => $arguments), array(), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $name = $this->getNode('filter')->getAttribute('value');
+ $filter = $compiler->getEnvironment()->getFilter($name);
+
+ $this->setAttribute('name', $name);
+ $this->setAttribute('type', 'filter');
+ $this->setAttribute('needs_environment', $filter->needsEnvironment());
+ $this->setAttribute('needs_context', $filter->needsContext());
+ $this->setAttribute('arguments', $filter->getArguments());
+ $this->setAttribute('callable', $filter->getCallable());
+ $this->setAttribute('is_variadic', $filter->isVariadic());
+
+ $this->compileCallable($compiler);
+ }
+}
diff --git a/lib/Twig/Node/Expression/Filter/Default.php b/lib/Twig/Node/Expression/Filter/Default.php
new file mode 100644
index 0000000..64e3485
--- /dev/null
+++ b/lib/Twig/Node/Expression/Filter/Default.php
@@ -0,0 +1,43 @@
+
+ * {{ var.foo|default('foo item on var is not defined') }}
+ *
+ *
+ * @author Fabien Potencier
+ */
+class Twig_Node_Expression_Filter_Default extends Twig_Node_Expression_Filter
+{
+ public function __construct(Twig_Node $node, Twig_Node_Expression_Constant $filterName, Twig_Node $arguments, $lineno, $tag = null)
+ {
+ $default = new Twig_Node_Expression_Filter($node, new Twig_Node_Expression_Constant('default', $node->getTemplateLine()), $arguments, $node->getTemplateLine());
+
+ if ('default' === $filterName->getAttribute('value') && ($node instanceof Twig_Node_Expression_Name || $node instanceof Twig_Node_Expression_GetAttr)) {
+ $test = new Twig_Node_Expression_Test_Defined(clone $node, 'defined', new Twig_Node(), $node->getTemplateLine());
+ $false = count($arguments) ? $arguments->getNode(0) : new Twig_Node_Expression_Constant('', $node->getTemplateLine());
+
+ $node = new Twig_Node_Expression_Conditional($test, $default, $false, $node->getTemplateLine());
+ } else {
+ $node = $default;
+ }
+
+ parent::__construct($node, $filterName, $arguments, $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->subcompile($this->getNode('node'));
+ }
+}
diff --git a/lib/Twig/Node/Expression/Function.php b/lib/Twig/Node/Expression/Function.php
new file mode 100644
index 0000000..e7af582
--- /dev/null
+++ b/lib/Twig/Node/Expression/Function.php
@@ -0,0 +1,37 @@
+ $arguments), array('name' => $name, 'is_defined_test' => false), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $name = $this->getAttribute('name');
+ $function = $compiler->getEnvironment()->getFunction($name);
+
+ $this->setAttribute('name', $name);
+ $this->setAttribute('type', 'function');
+ $this->setAttribute('needs_environment', $function->needsEnvironment());
+ $this->setAttribute('needs_context', $function->needsContext());
+ $this->setAttribute('arguments', $function->getArguments());
+ $callable = $function->getCallable();
+ if ('constant' === $name && $this->getAttribute('is_defined_test')) {
+ $callable = 'twig_constant_is_defined';
+ }
+ $this->setAttribute('callable', $callable);
+ $this->setAttribute('is_variadic', $function->isVariadic());
+
+ $this->compileCallable($compiler);
+ }
+}
diff --git a/lib/Twig/Node/Expression/GetAttr.php b/lib/Twig/Node/Expression/GetAttr.php
new file mode 100644
index 0000000..0cb78f6
--- /dev/null
+++ b/lib/Twig/Node/Expression/GetAttr.php
@@ -0,0 +1,64 @@
+ $node, 'attribute' => $attribute);
+ if (null !== $arguments) {
+ $nodes['arguments'] = $arguments;
+ }
+
+ parent::__construct($nodes, array('type' => $type, 'is_defined_test' => false, 'ignore_strict_check' => false), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->raw('twig_get_attribute($this->env, $this->getSourceContext(), ');
+
+ if ($this->getAttribute('ignore_strict_check')) {
+ $this->getNode('node')->setAttribute('ignore_strict_check', true);
+ }
+
+ $compiler->subcompile($this->getNode('node'));
+
+ $compiler->raw(', ')->subcompile($this->getNode('attribute'));
+
+ // only generate optional arguments when needed (to make generated code more readable)
+ $needFourth = $this->getAttribute('ignore_strict_check');
+ $needThird = $needFourth || $this->getAttribute('is_defined_test');
+ $needSecond = $needThird || Twig_Template::ANY_CALL !== $this->getAttribute('type');
+ $needFirst = $needSecond || $this->hasNode('arguments');
+
+ if ($needFirst) {
+ if ($this->hasNode('arguments')) {
+ $compiler->raw(', ')->subcompile($this->getNode('arguments'));
+ } else {
+ $compiler->raw(', array()');
+ }
+ }
+
+ if ($needSecond) {
+ $compiler->raw(', ')->repr($this->getAttribute('type'));
+ }
+
+ if ($needThird) {
+ $compiler->raw(', ')->repr($this->getAttribute('is_defined_test'));
+ }
+
+ if ($needFourth) {
+ $compiler->raw(', ')->repr($this->getAttribute('ignore_strict_check'));
+ }
+
+ $compiler->raw(')');
+ }
+}
diff --git a/lib/Twig/Node/Expression/MethodCall.php b/lib/Twig/Node/Expression/MethodCall.php
new file mode 100644
index 0000000..620b02b
--- /dev/null
+++ b/lib/Twig/Node/Expression/MethodCall.php
@@ -0,0 +1,41 @@
+ $node, 'arguments' => $arguments), array('method' => $method, 'safe' => false), $lineno);
+
+ if ($node instanceof Twig_Node_Expression_Name) {
+ $node->setAttribute('always_defined', true);
+ }
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->subcompile($this->getNode('node'))
+ ->raw('->')
+ ->raw($this->getAttribute('method'))
+ ->raw('(')
+ ;
+ $first = true;
+ foreach ($this->getNode('arguments')->getKeyValuePairs() as $pair) {
+ if (!$first) {
+ $compiler->raw(', ');
+ }
+ $first = false;
+
+ $compiler->subcompile($pair['value']);
+ }
+ $compiler->raw(')');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Name.php b/lib/Twig/Node/Expression/Name.php
new file mode 100644
index 0000000..694f974
--- /dev/null
+++ b/lib/Twig/Node/Expression/Name.php
@@ -0,0 +1,91 @@
+ '$this->getTemplateName()',
+ '_context' => '$context',
+ '_charset' => '$this->env->getCharset()',
+ );
+
+ public function __construct($name, $lineno)
+ {
+ parent::__construct(array(), array('name' => $name, 'is_defined_test' => false, 'ignore_strict_check' => false, 'always_defined' => false), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $name = $this->getAttribute('name');
+
+ $compiler->addDebugInfo($this);
+
+ if ($this->getAttribute('is_defined_test')) {
+ if ($this->isSpecial()) {
+ $compiler->repr(true);
+ } else {
+ $compiler->raw('array_key_exists(')->repr($name)->raw(', $context)');
+ }
+ } elseif ($this->isSpecial()) {
+ $compiler->raw($this->specialVars[$name]);
+ } elseif ($this->getAttribute('always_defined')) {
+ $compiler
+ ->raw('$context[')
+ ->string($name)
+ ->raw(']')
+ ;
+ } else {
+ if ($this->getAttribute('ignore_strict_check') || !$compiler->getEnvironment()->isStrictVariables()) {
+ if (PHP_VERSION_ID >= 70000) {
+ // use PHP 7 null coalescing operator
+ $compiler
+ ->raw('($context[')
+ ->string($name)
+ ->raw('] ?? null)')
+ ;
+ } else {
+ $compiler
+ ->raw('(isset($context[')
+ ->string($name)
+ ->raw(']) ? $context[')
+ ->string($name)
+ ->raw('] : null)')
+ ;
+ }
+ } else {
+ $compiler
+ ->raw('(isset($context[')
+ ->string($name)
+ ->raw(']) || array_key_exists(')
+ ->string($name)
+ ->raw(', $context) ? $context[')
+ ->string($name)
+ ->raw('] : (function () { throw new Twig_Error_Runtime(\'Variable ')
+ ->string($name)
+ ->raw(' does not exist.\', ')
+ ->repr($this->lineno)
+ ->raw(', $this->getSourceContext()); })()')
+ ->raw(')')
+ ;
+ }
+ }
+ }
+
+ public function isSpecial()
+ {
+ return isset($this->specialVars[$this->getAttribute('name')]);
+ }
+
+ public function isSimple()
+ {
+ return !$this->isSpecial() && !$this->getAttribute('is_defined_test');
+ }
+}
diff --git a/lib/Twig/Node/Expression/NullCoalesce.php b/lib/Twig/Node/Expression/NullCoalesce.php
new file mode 100644
index 0000000..a75a3d3
--- /dev/null
+++ b/lib/Twig/Node/Expression/NullCoalesce.php
@@ -0,0 +1,46 @@
+getTemplateLine()),
+ new Twig_Node_Expression_Unary_Not(new Twig_Node_Expression_Test_Null($left, 'null', new Twig_Node(), $left->getTemplateLine()), $left->getTemplateLine()),
+ $left->getTemplateLine()
+ );
+
+ parent::__construct($test, $left, $right, $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ /*
+ * This optimizes only one case. PHP 7 also supports more complex expressions
+ * that can return null. So, for instance, if log is defined, log("foo") ?? "..." works,
+ * but log($a["foo"]) ?? "..." does not if $a["foo"] is not defined. More advanced
+ * cases might be implemented as an optimizer node visitor, but has not been done
+ * as benefits are probably not worth the added complexity.
+ */
+ if (PHP_VERSION_ID >= 70000 && $this->getNode('expr2') instanceof Twig_Node_Expression_Name) {
+ $this->getNode('expr2')->setAttribute('always_defined', true);
+ $compiler
+ ->raw('((')
+ ->subcompile($this->getNode('expr2'))
+ ->raw(') ?? (')
+ ->subcompile($this->getNode('expr3'))
+ ->raw('))')
+ ;
+ } else {
+ parent::compile($compiler);
+ }
+ }
+}
diff --git a/lib/Twig/Node/Expression/Parent.php b/lib/Twig/Node/Expression/Parent.php
new file mode 100644
index 0000000..694c080
--- /dev/null
+++ b/lib/Twig/Node/Expression/Parent.php
@@ -0,0 +1,42 @@
+
+ */
+class Twig_Node_Expression_Parent extends Twig_Node_Expression
+{
+ public function __construct($name, $lineno, $tag = null)
+ {
+ parent::__construct(array(), array('output' => false, 'name' => $name), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ if ($this->getAttribute('output')) {
+ $compiler
+ ->addDebugInfo($this)
+ ->write('$this->displayParentBlock(')
+ ->string($this->getAttribute('name'))
+ ->raw(", \$context, \$blocks);\n")
+ ;
+ } else {
+ $compiler
+ ->raw('$this->renderParentBlock(')
+ ->string($this->getAttribute('name'))
+ ->raw(', $context, $blocks)')
+ ;
+ }
+ }
+}
diff --git a/lib/Twig/Node/Expression/TempName.php b/lib/Twig/Node/Expression/TempName.php
new file mode 100644
index 0000000..e6b058e
--- /dev/null
+++ b/lib/Twig/Node/Expression/TempName.php
@@ -0,0 +1,26 @@
+ $name), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('$_')
+ ->raw($this->getAttribute('name'))
+ ->raw('_')
+ ;
+ }
+}
diff --git a/lib/Twig/Node/Expression/Test.php b/lib/Twig/Node/Expression/Test.php
new file mode 100644
index 0000000..0b1ef16
--- /dev/null
+++ b/lib/Twig/Node/Expression/Test.php
@@ -0,0 +1,35 @@
+ $node);
+ if (null !== $arguments) {
+ $nodes['arguments'] = $arguments;
+ }
+
+ parent::__construct($nodes, array('name' => $name), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $name = $this->getAttribute('name');
+ $test = $compiler->getEnvironment()->getTest($name);
+
+ $this->setAttribute('name', $name);
+ $this->setAttribute('type', 'test');
+ $this->setAttribute('callable', $test->getCallable());
+ $this->setAttribute('is_variadic', $test->isVariadic());
+
+ $this->compileCallable($compiler);
+ }
+}
diff --git a/lib/Twig/Node/Expression/Test/Constant.php b/lib/Twig/Node/Expression/Test/Constant.php
new file mode 100644
index 0000000..de55f5f
--- /dev/null
+++ b/lib/Twig/Node/Expression/Test/Constant.php
@@ -0,0 +1,46 @@
+
+ * {% if post.status is constant('Post::PUBLISHED') %}
+ * the status attribute is exactly the same as Post::PUBLISHED
+ * {% endif %}
+ *
+ *
+ * @author Fabien Potencier
+ */
+class Twig_Node_Expression_Test_Constant extends Twig_Node_Expression_Test
+{
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(')
+ ->subcompile($this->getNode('node'))
+ ->raw(' === constant(')
+ ;
+
+ if ($this->getNode('arguments')->hasNode(1)) {
+ $compiler
+ ->raw('get_class(')
+ ->subcompile($this->getNode('arguments')->getNode(1))
+ ->raw(')."::".')
+ ;
+ }
+
+ $compiler
+ ->subcompile($this->getNode('arguments')->getNode(0))
+ ->raw('))')
+ ;
+ }
+}
diff --git a/lib/Twig/Node/Expression/Test/Defined.php b/lib/Twig/Node/Expression/Test/Defined.php
new file mode 100644
index 0000000..8d208be
--- /dev/null
+++ b/lib/Twig/Node/Expression/Test/Defined.php
@@ -0,0 +1,59 @@
+
+ * {# defined works with variable names and variable attributes #}
+ * {% if foo is defined %}
+ * {# ... #}
+ * {% endif %}
+ *
+ *
+ * @author Fabien Potencier
+ */
+class Twig_Node_Expression_Test_Defined extends Twig_Node_Expression_Test
+{
+ public function __construct(Twig_Node $node, $name, Twig_Node $arguments = null, $lineno)
+ {
+ if ($node instanceof Twig_Node_Expression_Name) {
+ $node->setAttribute('is_defined_test', true);
+ } elseif ($node instanceof Twig_Node_Expression_GetAttr) {
+ $node->setAttribute('is_defined_test', true);
+ $this->changeIgnoreStrictCheck($node);
+ } elseif ($node instanceof Twig_Node_Expression_BlockReference) {
+ $node->setAttribute('is_defined_test', true);
+ } elseif ($node instanceof Twig_Node_Expression_Function && 'constant' === $node->getAttribute('name')) {
+ $node->setAttribute('is_defined_test', true);
+ } elseif ($node instanceof Twig_Node_Expression_Constant || $node instanceof Twig_Node_Expression_Array) {
+ $node = new Twig_Node_Expression_Constant(true, $node->getTemplateLine());
+ } else {
+ throw new Twig_Error_Syntax('The "defined" test only works with simple variables.', $this->getTemplateLine());
+ }
+
+ parent::__construct($node, $name, $arguments, $lineno);
+ }
+
+ private function changeIgnoreStrictCheck(Twig_Node_Expression_GetAttr $node)
+ {
+ $node->setAttribute('ignore_strict_check', true);
+
+ if ($node->getNode('node') instanceof Twig_Node_Expression_GetAttr) {
+ $this->changeIgnoreStrictCheck($node->getNode('node'));
+ }
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->subcompile($this->getNode('node'));
+ }
+}
diff --git a/lib/Twig/Node/Expression/Test/Divisibleby.php b/lib/Twig/Node/Expression/Test/Divisibleby.php
new file mode 100644
index 0000000..d5bed23
--- /dev/null
+++ b/lib/Twig/Node/Expression/Test/Divisibleby.php
@@ -0,0 +1,33 @@
+
+ * {% if loop.index is divisible by(3) %}
+ *
+ *
+ * @author Fabien Potencier
+ */
+class Twig_Node_Expression_Test_Divisibleby extends Twig_Node_Expression_Test
+{
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(0 == ')
+ ->subcompile($this->getNode('node'))
+ ->raw(' % ')
+ ->subcompile($this->getNode('arguments')->getNode(0))
+ ->raw(')')
+ ;
+ }
+}
diff --git a/lib/Twig/Node/Expression/Test/Even.php b/lib/Twig/Node/Expression/Test/Even.php
new file mode 100644
index 0000000..d7853e8
--- /dev/null
+++ b/lib/Twig/Node/Expression/Test/Even.php
@@ -0,0 +1,32 @@
+
+ * {{ var is even }}
+ *
+ *
+ * @author Fabien Potencier
+ */
+class Twig_Node_Expression_Test_Even extends Twig_Node_Expression_Test
+{
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(')
+ ->subcompile($this->getNode('node'))
+ ->raw(' % 2 == 0')
+ ->raw(')')
+ ;
+ }
+}
diff --git a/lib/Twig/Node/Expression/Test/Null.php b/lib/Twig/Node/Expression/Test/Null.php
new file mode 100644
index 0000000..1c83825
--- /dev/null
+++ b/lib/Twig/Node/Expression/Test/Null.php
@@ -0,0 +1,31 @@
+
+ * {{ var is none }}
+ *
+ *
+ * @author Fabien Potencier
+ */
+class Twig_Node_Expression_Test_Null extends Twig_Node_Expression_Test
+{
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(null === ')
+ ->subcompile($this->getNode('node'))
+ ->raw(')')
+ ;
+ }
+}
diff --git a/lib/Twig/Node/Expression/Test/Odd.php b/lib/Twig/Node/Expression/Test/Odd.php
new file mode 100644
index 0000000..421c19e
--- /dev/null
+++ b/lib/Twig/Node/Expression/Test/Odd.php
@@ -0,0 +1,32 @@
+
+ * {{ var is odd }}
+ *
+ *
+ * @author Fabien Potencier
+ */
+class Twig_Node_Expression_Test_Odd extends Twig_Node_Expression_Test
+{
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(')
+ ->subcompile($this->getNode('node'))
+ ->raw(' % 2 == 1')
+ ->raw(')')
+ ;
+ }
+}
diff --git a/lib/Twig/Node/Expression/Test/Sameas.php b/lib/Twig/Node/Expression/Test/Sameas.php
new file mode 100644
index 0000000..b48905e
--- /dev/null
+++ b/lib/Twig/Node/Expression/Test/Sameas.php
@@ -0,0 +1,29 @@
+
+ */
+class Twig_Node_Expression_Test_Sameas extends Twig_Node_Expression_Test
+{
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(')
+ ->subcompile($this->getNode('node'))
+ ->raw(' === ')
+ ->subcompile($this->getNode('arguments')->getNode(0))
+ ->raw(')')
+ ;
+ }
+}
diff --git a/lib/Twig/Node/Expression/Unary.php b/lib/Twig/Node/Expression/Unary.php
new file mode 100644
index 0000000..ee3af70
--- /dev/null
+++ b/lib/Twig/Node/Expression/Unary.php
@@ -0,0 +1,27 @@
+ $node), array(), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->raw(' ');
+ $this->operator($compiler);
+ $compiler->subcompile($this->getNode('node'));
+ }
+
+ abstract public function operator(Twig_Compiler $compiler);
+}
diff --git a/lib/Twig/Node/Expression/Unary/Neg.php b/lib/Twig/Node/Expression/Unary/Neg.php
new file mode 100644
index 0000000..2a3937e
--- /dev/null
+++ b/lib/Twig/Node/Expression/Unary/Neg.php
@@ -0,0 +1,18 @@
+raw('-');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Unary/Not.php b/lib/Twig/Node/Expression/Unary/Not.php
new file mode 100644
index 0000000..f94073c
--- /dev/null
+++ b/lib/Twig/Node/Expression/Unary/Not.php
@@ -0,0 +1,18 @@
+raw('!');
+ }
+}
diff --git a/lib/Twig/Node/Expression/Unary/Pos.php b/lib/Twig/Node/Expression/Unary/Pos.php
new file mode 100644
index 0000000..04edb52
--- /dev/null
+++ b/lib/Twig/Node/Expression/Unary/Pos.php
@@ -0,0 +1,18 @@
+raw('+');
+ }
+}
diff --git a/lib/Twig/Node/Flush.php b/lib/Twig/Node/Flush.php
new file mode 100644
index 0000000..2af17a4
--- /dev/null
+++ b/lib/Twig/Node/Flush.php
@@ -0,0 +1,31 @@
+
+ */
+class Twig_Node_Flush extends Twig_Node
+{
+ public function __construct($lineno, $tag)
+ {
+ parent::__construct(array(), array(), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write("flush();\n")
+ ;
+ }
+}
diff --git a/lib/Twig/Node/For.php b/lib/Twig/Node/For.php
new file mode 100644
index 0000000..47a20a0
--- /dev/null
+++ b/lib/Twig/Node/For.php
@@ -0,0 +1,111 @@
+
+ */
+class Twig_Node_For extends Twig_Node
+{
+ private $loop;
+
+ public function __construct(Twig_Node_Expression_AssignName $keyTarget, Twig_Node_Expression_AssignName $valueTarget, Twig_Node_Expression $seq, Twig_Node_Expression $ifexpr = null, Twig_Node $body, Twig_Node $else = null, $lineno, $tag = null)
+ {
+ $body = new Twig_Node(array($body, $this->loop = new Twig_Node_ForLoop($lineno, $tag)));
+
+ if (null !== $ifexpr) {
+ $body = new Twig_Node_If(new Twig_Node(array($ifexpr, $body)), null, $lineno, $tag);
+ }
+
+ $nodes = array('key_target' => $keyTarget, 'value_target' => $valueTarget, 'seq' => $seq, 'body' => $body);
+ if (null !== $else) {
+ $nodes['else'] = $else;
+ }
+
+ parent::__construct($nodes, array('with_loop' => true, 'ifexpr' => null !== $ifexpr), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write("\$context['_parent'] = \$context;\n")
+ ->write("\$context['_seq'] = twig_ensure_traversable(")
+ ->subcompile($this->getNode('seq'))
+ ->raw(");\n")
+ ;
+
+ if ($this->hasNode('else')) {
+ $compiler->write("\$context['_iterated'] = false;\n");
+ }
+
+ if ($this->getAttribute('with_loop')) {
+ $compiler
+ ->write("\$context['loop'] = array(\n")
+ ->write(" 'parent' => \$context['_parent'],\n")
+ ->write(" 'index0' => 0,\n")
+ ->write(" 'index' => 1,\n")
+ ->write(" 'first' => true,\n")
+ ->write(");\n")
+ ;
+
+ if (!$this->getAttribute('ifexpr')) {
+ $compiler
+ ->write("if (is_array(\$context['_seq']) || (is_object(\$context['_seq']) && \$context['_seq'] instanceof Countable)) {\n")
+ ->indent()
+ ->write("\$length = count(\$context['_seq']);\n")
+ ->write("\$context['loop']['revindex0'] = \$length - 1;\n")
+ ->write("\$context['loop']['revindex'] = \$length;\n")
+ ->write("\$context['loop']['length'] = \$length;\n")
+ ->write("\$context['loop']['last'] = 1 === \$length;\n")
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+ }
+
+ $this->loop->setAttribute('else', $this->hasNode('else'));
+ $this->loop->setAttribute('with_loop', $this->getAttribute('with_loop'));
+ $this->loop->setAttribute('ifexpr', $this->getAttribute('ifexpr'));
+
+ $compiler
+ ->write("foreach (\$context['_seq'] as ")
+ ->subcompile($this->getNode('key_target'))
+ ->raw(' => ')
+ ->subcompile($this->getNode('value_target'))
+ ->raw(") {\n")
+ ->indent()
+ ->subcompile($this->getNode('body'))
+ ->outdent()
+ ->write("}\n")
+ ;
+
+ if ($this->hasNode('else')) {
+ $compiler
+ ->write("if (!\$context['_iterated']) {\n")
+ ->indent()
+ ->subcompile($this->getNode('else'))
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+
+ $compiler->write("\$_parent = \$context['_parent'];\n");
+
+ // remove some "private" loop variables (needed for nested loops)
+ $compiler->write('unset($context[\'_seq\'], $context[\'_iterated\'], $context[\''.$this->getNode('key_target')->getAttribute('name').'\'], $context[\''.$this->getNode('value_target')->getAttribute('name').'\'], $context[\'_parent\'], $context[\'loop\']);'."\n");
+
+ // keep the values set in the inner context for variables defined in the outer context
+ $compiler->write("\$context = array_intersect_key(\$context, \$_parent) + \$_parent;\n");
+ }
+}
diff --git a/lib/Twig/Node/ForLoop.php b/lib/Twig/Node/ForLoop.php
new file mode 100644
index 0000000..2554d48
--- /dev/null
+++ b/lib/Twig/Node/ForLoop.php
@@ -0,0 +1,50 @@
+
+ */
+class Twig_Node_ForLoop extends Twig_Node
+{
+ public function __construct($lineno, $tag = null)
+ {
+ parent::__construct(array(), array('with_loop' => false, 'ifexpr' => false, 'else' => false), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ if ($this->getAttribute('else')) {
+ $compiler->write("\$context['_iterated'] = true;\n");
+ }
+
+ if ($this->getAttribute('with_loop')) {
+ $compiler
+ ->write("++\$context['loop']['index0'];\n")
+ ->write("++\$context['loop']['index'];\n")
+ ->write("\$context['loop']['first'] = false;\n")
+ ;
+
+ if (!$this->getAttribute('ifexpr')) {
+ $compiler
+ ->write("if (isset(\$context['loop']['length'])) {\n")
+ ->indent()
+ ->write("--\$context['loop']['revindex0'];\n")
+ ->write("--\$context['loop']['revindex'];\n")
+ ->write("\$context['loop']['last'] = 0 === \$context['loop']['revindex0'];\n")
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+ }
+ }
+}
diff --git a/lib/Twig/Node/If.php b/lib/Twig/Node/If.php
new file mode 100644
index 0000000..c4bdbd5
--- /dev/null
+++ b/lib/Twig/Node/If.php
@@ -0,0 +1,66 @@
+
+ */
+class Twig_Node_If extends Twig_Node
+{
+ public function __construct(Twig_Node $tests, Twig_Node $else = null, $lineno, $tag = null)
+ {
+ $nodes = array('tests' => $tests);
+ if (null !== $else) {
+ $nodes['else'] = $else;
+ }
+
+ parent::__construct($nodes, array(), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->addDebugInfo($this);
+ for ($i = 0, $count = count($this->getNode('tests')); $i < $count; $i += 2) {
+ if ($i > 0) {
+ $compiler
+ ->outdent()
+ ->write('} elseif (')
+ ;
+ } else {
+ $compiler
+ ->write('if (')
+ ;
+ }
+
+ $compiler
+ ->subcompile($this->getNode('tests')->getNode($i))
+ ->raw(") {\n")
+ ->indent()
+ ->subcompile($this->getNode('tests')->getNode($i + 1))
+ ;
+ }
+
+ if ($this->hasNode('else')) {
+ $compiler
+ ->outdent()
+ ->write("} else {\n")
+ ->indent()
+ ->subcompile($this->getNode('else'))
+ ;
+ }
+
+ $compiler
+ ->outdent()
+ ->write("}\n");
+ }
+}
diff --git a/lib/Twig/Node/Import.php b/lib/Twig/Node/Import.php
new file mode 100644
index 0000000..507fb66
--- /dev/null
+++ b/lib/Twig/Node/Import.php
@@ -0,0 +1,49 @@
+
+ */
+class Twig_Node_Import extends Twig_Node
+{
+ public function __construct(Twig_Node_Expression $expr, Twig_Node_Expression $var, $lineno, $tag = null)
+ {
+ parent::__construct(array('expr' => $expr, 'var' => $var), array(), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write('')
+ ->subcompile($this->getNode('var'))
+ ->raw(' = ')
+ ;
+
+ if ($this->getNode('expr') instanceof Twig_Node_Expression_Name && '_self' === $this->getNode('expr')->getAttribute('name')) {
+ $compiler->raw('$this');
+ } else {
+ $compiler
+ ->raw('$this->loadTemplate(')
+ ->subcompile($this->getNode('expr'))
+ ->raw(', ')
+ ->repr($this->getTemplateName())
+ ->raw(', ')
+ ->repr($this->getTemplateLine())
+ ->raw(')')
+ ;
+ }
+
+ $compiler->raw(";\n");
+ }
+}
diff --git a/lib/Twig/Node/Include.php b/lib/Twig/Node/Include.php
new file mode 100644
index 0000000..714c991
--- /dev/null
+++ b/lib/Twig/Node/Include.php
@@ -0,0 +1,88 @@
+
+ */
+class Twig_Node_Include extends Twig_Node implements Twig_NodeOutputInterface
+{
+ public function __construct(Twig_Node_Expression $expr, Twig_Node_Expression $variables = null, $only = false, $ignoreMissing = false, $lineno, $tag = null)
+ {
+ $nodes = array('expr' => $expr);
+ if (null !== $variables) {
+ $nodes['variables'] = $variables;
+ }
+
+ parent::__construct($nodes, array('only' => (bool) $only, 'ignore_missing' => (bool) $ignoreMissing), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->addDebugInfo($this);
+
+ if ($this->getAttribute('ignore_missing')) {
+ $compiler
+ ->write("try {\n")
+ ->indent()
+ ;
+ }
+
+ $this->addGetTemplate($compiler);
+
+ $compiler->raw('->display(');
+
+ $this->addTemplateArguments($compiler);
+
+ $compiler->raw(");\n");
+
+ if ($this->getAttribute('ignore_missing')) {
+ $compiler
+ ->outdent()
+ ->write("} catch (Twig_Error_Loader \$e) {\n")
+ ->indent()
+ ->write("// ignore missing template\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+ }
+
+ protected function addGetTemplate(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write('$this->loadTemplate(')
+ ->subcompile($this->getNode('expr'))
+ ->raw(', ')
+ ->repr($this->getTemplateName())
+ ->raw(', ')
+ ->repr($this->getTemplateLine())
+ ->raw(')')
+ ;
+ }
+
+ protected function addTemplateArguments(Twig_Compiler $compiler)
+ {
+ if (!$this->hasNode('variables')) {
+ $compiler->raw(false === $this->getAttribute('only') ? '$context' : 'array()');
+ } elseif (false === $this->getAttribute('only')) {
+ $compiler
+ ->raw('array_merge($context, ')
+ ->subcompile($this->getNode('variables'))
+ ->raw(')')
+ ;
+ } else {
+ $compiler->subcompile($this->getNode('variables'));
+ }
+ }
+}
diff --git a/lib/Twig/Node/Macro.php b/lib/Twig/Node/Macro.php
new file mode 100644
index 0000000..2cb5fc2
--- /dev/null
+++ b/lib/Twig/Node/Macro.php
@@ -0,0 +1,104 @@
+
+ */
+class Twig_Node_Macro extends Twig_Node
+{
+ const VARARGS_NAME = 'varargs';
+
+ public function __construct($name, Twig_Node $body, Twig_Node $arguments, $lineno, $tag = null)
+ {
+ foreach ($arguments as $argumentName => $argument) {
+ if (self::VARARGS_NAME === $argumentName) {
+ throw new Twig_Error_Syntax(sprintf('The argument "%s" in macro "%s" cannot be defined because the variable "%s" is reserved for arbitrary arguments.', self::VARARGS_NAME, $name, self::VARARGS_NAME), $argument->getTemplateLine());
+ }
+ }
+
+ parent::__construct(array('body' => $body, 'arguments' => $arguments), array('name' => $name), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write(sprintf('public function macro_%s(', $this->getAttribute('name')))
+ ;
+
+ $count = count($this->getNode('arguments'));
+ $pos = 0;
+ foreach ($this->getNode('arguments') as $name => $default) {
+ $compiler
+ ->raw('$__'.$name.'__ = ')
+ ->subcompile($default)
+ ;
+
+ if (++$pos < $count) {
+ $compiler->raw(', ');
+ }
+ }
+
+ if ($count) {
+ $compiler->raw(', ');
+ }
+
+ $compiler
+ ->raw('...$__varargs__')
+ ->raw(")\n")
+ ->write("{\n")
+ ->indent()
+ ;
+
+ $compiler
+ ->write("\$context = \$this->env->mergeGlobals(array(\n")
+ ->indent()
+ ;
+
+ foreach ($this->getNode('arguments') as $name => $default) {
+ $compiler
+ ->write('')
+ ->string($name)
+ ->raw(' => $__'.$name.'__')
+ ->raw(",\n")
+ ;
+ }
+
+ $compiler
+ ->write('')
+ ->string(self::VARARGS_NAME)
+ ->raw(' => ')
+ ;
+
+ $compiler
+ ->raw("\$__varargs__,\n")
+ ->outdent()
+ ->write("));\n\n")
+ ->write("\$blocks = array();\n\n")
+ ->write("ob_start();\n")
+ ->write("try {\n")
+ ->indent()
+ ->subcompile($this->getNode('body'))
+ ->raw("\n")
+ ->write("return ('' === \$tmp = ob_get_contents()) ? '' : new Twig_Markup(\$tmp, \$this->env->getCharset());\n")
+ ->outdent()
+ ->write("} finally {\n")
+ ->indent()
+ ->write("ob_end_clean();\n")
+ ->outdent()
+ ->write("}\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+}
diff --git a/lib/Twig/Node/Module.php b/lib/Twig/Node/Module.php
new file mode 100644
index 0000000..7134bc3
--- /dev/null
+++ b/lib/Twig/Node/Module.php
@@ -0,0 +1,444 @@
+
+ */
+class Twig_Node_Module extends Twig_Node
+{
+ private $source;
+
+ public function __construct(Twig_Node $body, Twig_Node_Expression $parent = null, Twig_Node $blocks, Twig_Node $macros, Twig_Node $traits, $embeddedTemplates, Twig_Source $source)
+ {
+ $this->source = $source;
+
+ $nodes = array(
+ 'body' => $body,
+ 'blocks' => $blocks,
+ 'macros' => $macros,
+ 'traits' => $traits,
+ 'display_start' => new Twig_Node(),
+ 'display_end' => new Twig_Node(),
+ 'constructor_start' => new Twig_Node(),
+ 'constructor_end' => new Twig_Node(),
+ 'class_end' => new Twig_Node(),
+ );
+ if (null !== $parent) {
+ $nodes['parent'] = $parent;
+ }
+
+ // embedded templates are set as attributes so that they are only visited once by the visitors
+ parent::__construct($nodes, array(
+ 'index' => null,
+ 'embedded_templates' => $embeddedTemplates,
+ ), 1);
+
+ // populate the template name of all node children
+ $this->setTemplateName($this->source->getName());
+ }
+
+ public function setIndex($index)
+ {
+ $this->setAttribute('index', $index);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $this->compileTemplate($compiler);
+
+ foreach ($this->getAttribute('embedded_templates') as $template) {
+ $compiler->subcompile($template);
+ }
+ }
+
+ protected function compileTemplate(Twig_Compiler $compiler)
+ {
+ if (!$this->getAttribute('index')) {
+ $compiler->write('compileClassHeader($compiler);
+
+ if (
+ count($this->getNode('blocks'))
+ || count($this->getNode('traits'))
+ || !$this->hasNode('parent')
+ || $this->getNode('parent') instanceof Twig_Node_Expression_Constant
+ || count($this->getNode('constructor_start'))
+ || count($this->getNode('constructor_end'))
+ ) {
+ $this->compileConstructor($compiler);
+ }
+
+ $this->compileGetParent($compiler);
+
+ $this->compileDisplay($compiler);
+
+ $compiler->subcompile($this->getNode('blocks'));
+
+ $this->compileMacros($compiler);
+
+ $this->compileGetTemplateName($compiler);
+
+ $this->compileIsTraitable($compiler);
+
+ $this->compileDebugInfo($compiler);
+
+ $this->compileGetSourceContext($compiler);
+
+ $this->compileClassFooter($compiler);
+ }
+
+ protected function compileGetParent(Twig_Compiler $compiler)
+ {
+ if (!$this->hasNode('parent')) {
+ return;
+ }
+ $parent = $this->getNode('parent');
+
+ $compiler
+ ->write("protected function doGetParent(array \$context)\n", "{\n")
+ ->indent()
+ ->addDebugInfo($parent)
+ ->write('return ')
+ ;
+
+ if ($parent instanceof Twig_Node_Expression_Constant) {
+ $compiler->subcompile($parent);
+ } else {
+ $compiler
+ ->raw('$this->loadTemplate(')
+ ->subcompile($parent)
+ ->raw(', ')
+ ->repr($this->source->getName())
+ ->raw(', ')
+ ->repr($parent->getTemplateLine())
+ ->raw(')')
+ ;
+ }
+
+ $compiler
+ ->raw(";\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileClassHeader(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("\n\n")
+ // if the template name contains */, add a blank to avoid a PHP parse error
+ ->write('/* '.str_replace('*/', '* /', $this->source->getName())." */\n")
+ ->write('class '.$compiler->getEnvironment()->getTemplateClass($this->source->getName(), $this->getAttribute('index')))
+ ->raw(sprintf(" extends %s\n", $compiler->getEnvironment()->getBaseTemplateClass()))
+ ->write("{\n")
+ ->indent()
+ ;
+ }
+
+ protected function compileConstructor(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("public function __construct(Twig_Environment \$env)\n", "{\n")
+ ->indent()
+ ->subcompile($this->getNode('constructor_start'))
+ ->write("parent::__construct(\$env);\n\n")
+ ;
+
+ // parent
+ if (!$this->hasNode('parent')) {
+ $compiler->write("\$this->parent = false;\n\n");
+ } elseif (($parent = $this->getNode('parent')) && $parent instanceof Twig_Node_Expression_Constant) {
+ $compiler
+ ->addDebugInfo($parent)
+ ->write('$this->parent = $this->loadTemplate(')
+ ->subcompile($parent)
+ ->raw(', ')
+ ->repr($this->source->getName())
+ ->raw(', ')
+ ->repr($parent->getTemplateLine())
+ ->raw(");\n")
+ ;
+ }
+
+ $countTraits = count($this->getNode('traits'));
+ if ($countTraits) {
+ // traits
+ foreach ($this->getNode('traits') as $i => $trait) {
+ $node = $trait->getNode('template');
+
+ $compiler
+ ->write(sprintf('$_trait_%s = $this->loadTemplate(', $i))
+ ->subcompile($node)
+ ->raw(', ')
+ ->repr($node->getTemplateName())
+ ->raw(', ')
+ ->repr($node->getTemplateLine())
+ ->raw(");\n")
+ ;
+
+ $compiler
+ ->addDebugInfo($trait->getNode('template'))
+ ->write(sprintf("if (!\$_trait_%s->isTraitable()) {\n", $i))
+ ->indent()
+ ->write("throw new Twig_Error_Runtime('Template \"'.")
+ ->subcompile($trait->getNode('template'))
+ ->raw(".'\" cannot be used as a trait.');\n")
+ ->outdent()
+ ->write("}\n")
+ ->write(sprintf("\$_trait_%s_blocks = \$_trait_%s->getBlocks();\n\n", $i, $i))
+ ;
+
+ foreach ($trait->getNode('targets') as $key => $value) {
+ $compiler
+ ->write(sprintf('if (!isset($_trait_%s_blocks[', $i))
+ ->string($key)
+ ->raw("])) {\n")
+ ->indent()
+ ->write("throw new Twig_Error_Runtime(sprintf('Block ")
+ ->string($key)
+ ->raw(' is not defined in trait ')
+ ->subcompile($trait->getNode('template'))
+ ->raw(".'));\n")
+ ->outdent()
+ ->write("}\n\n")
+
+ ->write(sprintf('$_trait_%s_blocks[', $i))
+ ->subcompile($value)
+ ->raw(sprintf('] = $_trait_%s_blocks[', $i))
+ ->string($key)
+ ->raw(sprintf(']; unset($_trait_%s_blocks[', $i))
+ ->string($key)
+ ->raw("]);\n\n")
+ ;
+ }
+ }
+
+ if ($countTraits > 1) {
+ $compiler
+ ->write("\$this->traits = array_merge(\n")
+ ->indent()
+ ;
+
+ for ($i = 0; $i < $countTraits; ++$i) {
+ $compiler
+ ->write(sprintf('$_trait_%s_blocks'.($i == $countTraits - 1 ? '' : ',')."\n", $i))
+ ;
+ }
+
+ $compiler
+ ->outdent()
+ ->write(");\n\n")
+ ;
+ } else {
+ $compiler
+ ->write("\$this->traits = \$_trait_0_blocks;\n\n")
+ ;
+ }
+
+ $compiler
+ ->write("\$this->blocks = array_merge(\n")
+ ->indent()
+ ->write("\$this->traits,\n")
+ ->write("array(\n")
+ ;
+ } else {
+ $compiler
+ ->write("\$this->blocks = array(\n")
+ ;
+ }
+
+ // blocks
+ $compiler
+ ->indent()
+ ;
+
+ foreach ($this->getNode('blocks') as $name => $node) {
+ $compiler
+ ->write(sprintf("'%s' => array(\$this, 'block_%s'),\n", $name, $name))
+ ;
+ }
+
+ if ($countTraits) {
+ $compiler
+ ->outdent()
+ ->write(")\n")
+ ;
+ }
+
+ $compiler
+ ->outdent()
+ ->write(");\n")
+ ->outdent()
+ ->subcompile($this->getNode('constructor_end'))
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileDisplay(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("protected function doDisplay(array \$context, array \$blocks = array())\n", "{\n")
+ ->indent()
+ ->subcompile($this->getNode('display_start'))
+ ->subcompile($this->getNode('body'))
+ ;
+
+ if ($this->hasNode('parent')) {
+ $parent = $this->getNode('parent');
+ $compiler->addDebugInfo($parent);
+ if ($parent instanceof Twig_Node_Expression_Constant) {
+ $compiler->write('$this->parent');
+ } else {
+ $compiler->write('$this->getParent($context)');
+ }
+ $compiler->raw("->display(\$context, array_merge(\$this->blocks, \$blocks));\n");
+ }
+
+ $compiler
+ ->subcompile($this->getNode('display_end'))
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileClassFooter(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->subcompile($this->getNode('class_end'))
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+
+ protected function compileMacros(Twig_Compiler $compiler)
+ {
+ $compiler->subcompile($this->getNode('macros'));
+ }
+
+ protected function compileGetTemplateName(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("public function getTemplateName()\n", "{\n")
+ ->indent()
+ ->write('return ')
+ ->repr($this->source->getName())
+ ->raw(";\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileIsTraitable(Twig_Compiler $compiler)
+ {
+ // A template can be used as a trait if:
+ // * it has no parent
+ // * it has no macros
+ // * it has no body
+ //
+ // Put another way, a template can be used as a trait if it
+ // only contains blocks and use statements.
+ $traitable = !$this->hasNode('parent') && 0 === count($this->getNode('macros'));
+ if ($traitable) {
+ if ($this->getNode('body') instanceof Twig_Node_Body) {
+ $nodes = $this->getNode('body')->getNode(0);
+ } else {
+ $nodes = $this->getNode('body');
+ }
+
+ if (!count($nodes)) {
+ $nodes = new Twig_Node(array($nodes));
+ }
+
+ foreach ($nodes as $node) {
+ if (!count($node)) {
+ continue;
+ }
+
+ if ($node instanceof Twig_Node_Text && ctype_space($node->getAttribute('data'))) {
+ continue;
+ }
+
+ if ($node instanceof Twig_Node_BlockReference) {
+ continue;
+ }
+
+ $traitable = false;
+ break;
+ }
+ }
+
+ if ($traitable) {
+ return;
+ }
+
+ $compiler
+ ->write("public function isTraitable()\n", "{\n")
+ ->indent()
+ ->write(sprintf("return %s;\n", $traitable ? 'true' : 'false'))
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileDebugInfo(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("public function getDebugInfo()\n", "{\n")
+ ->indent()
+ ->write(sprintf("return %s;\n", str_replace("\n", '', var_export(array_reverse($compiler->getDebugInfo(), true), true))))
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileGetSourceContext(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("public function getSourceContext()\n", "{\n")
+ ->indent()
+ ->write('return new Twig_Source(')
+ ->string($compiler->getEnvironment()->isDebug() ? $this->source->getCode() : '')
+ ->raw(', ')
+ ->string($this->source->getName())
+ ->raw(', ')
+ ->string($this->source->getPath())
+ ->raw(");\n")
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+
+ protected function compileLoadTemplate(Twig_Compiler $compiler, $node, $var)
+ {
+ if ($node instanceof Twig_Node_Expression_Constant) {
+ $compiler
+ ->write(sprintf('%s = $this->loadTemplate(', $var))
+ ->subcompile($node)
+ ->raw(', ')
+ ->repr($node->getTemplateName())
+ ->raw(', ')
+ ->repr($node->getTemplateLine())
+ ->raw(");\n")
+ ;
+ } else {
+ throw new LogicException('Trait templates can only be constant nodes.');
+ }
+ }
+}
diff --git a/lib/Twig/Node/Print.php b/lib/Twig/Node/Print.php
new file mode 100644
index 0000000..7b69ee8
--- /dev/null
+++ b/lib/Twig/Node/Print.php
@@ -0,0 +1,34 @@
+
+ */
+class Twig_Node_Print extends Twig_Node implements Twig_NodeOutputInterface
+{
+ public function __construct(Twig_Node_Expression $expr, $lineno, $tag = null)
+ {
+ parent::__construct(array('expr' => $expr), array(), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write('echo ')
+ ->subcompile($this->getNode('expr'))
+ ->raw(";\n")
+ ;
+ }
+}
diff --git a/lib/Twig/Node/Sandbox.php b/lib/Twig/Node/Sandbox.php
new file mode 100644
index 0000000..ee14881
--- /dev/null
+++ b/lib/Twig/Node/Sandbox.php
@@ -0,0 +1,42 @@
+
+ */
+class Twig_Node_Sandbox extends Twig_Node
+{
+ public function __construct(Twig_Node $body, $lineno, $tag = null)
+ {
+ parent::__construct(array('body' => $body), array(), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write("\$sandbox = \$this->env->getExtension('Twig_Extension_Sandbox');\n")
+ ->write("if (!\$alreadySandboxed = \$sandbox->isSandboxed()) {\n")
+ ->indent()
+ ->write("\$sandbox->enableSandbox();\n")
+ ->outdent()
+ ->write("}\n")
+ ->subcompile($this->getNode('body'))
+ ->write("if (!\$alreadySandboxed) {\n")
+ ->indent()
+ ->write("\$sandbox->disableSandbox();\n")
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+}
diff --git a/lib/Twig/Node/SandboxedPrint.php b/lib/Twig/Node/SandboxedPrint.php
new file mode 100644
index 0000000..3032c66
--- /dev/null
+++ b/lib/Twig/Node/SandboxedPrint.php
@@ -0,0 +1,49 @@
+
+ */
+class Twig_Node_SandboxedPrint extends Twig_Node_Print
+{
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write('echo $this->env->getExtension(\'Twig_Extension_Sandbox\')->ensureToStringAllowed(')
+ ->subcompile($this->getNode('expr'))
+ ->raw(");\n")
+ ;
+ }
+
+ /**
+ * Removes node filters.
+ *
+ * This is mostly needed when another visitor adds filters (like the escaper one).
+ *
+ * @return Twig_Node
+ */
+ private function removeNodeFilter(Twig_Node $node)
+ {
+ if ($node instanceof Twig_Node_Expression_Filter) {
+ return $this->removeNodeFilter($node->getNode('node'));
+ }
+
+ return $node;
+ }
+}
diff --git a/lib/Twig/Node/Set.php b/lib/Twig/Node/Set.php
new file mode 100644
index 0000000..32fb357
--- /dev/null
+++ b/lib/Twig/Node/Set.php
@@ -0,0 +1,96 @@
+
+ */
+class Twig_Node_Set extends Twig_Node
+{
+ public function __construct($capture, Twig_Node $names, Twig_Node $values, $lineno, $tag = null)
+ {
+ parent::__construct(array('names' => $names, 'values' => $values), array('capture' => $capture, 'safe' => false), $lineno, $tag);
+
+ /*
+ * Optimizes the node when capture is used for a large block of text.
+ *
+ * {% set foo %}foo{% endset %} is compiled to $context['foo'] = new Twig_Markup("foo");
+ */
+ if ($this->getAttribute('capture')) {
+ $this->setAttribute('safe', true);
+
+ $values = $this->getNode('values');
+ if ($values instanceof Twig_Node_Text) {
+ $this->setNode('values', new Twig_Node_Expression_Constant($values->getAttribute('data'), $values->getTemplateLine()));
+ $this->setAttribute('capture', false);
+ }
+ }
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->addDebugInfo($this);
+
+ if (count($this->getNode('names')) > 1) {
+ $compiler->write('list(');
+ foreach ($this->getNode('names') as $idx => $node) {
+ if ($idx) {
+ $compiler->raw(', ');
+ }
+
+ $compiler->subcompile($node);
+ }
+ $compiler->raw(')');
+ } else {
+ if ($this->getAttribute('capture')) {
+ $compiler
+ ->write("ob_start();\n")
+ ->subcompile($this->getNode('values'))
+ ;
+ }
+
+ $compiler->subcompile($this->getNode('names'), false);
+
+ if ($this->getAttribute('capture')) {
+ $compiler->raw(" = ('' === \$tmp = ob_get_clean()) ? '' : new Twig_Markup(\$tmp, \$this->env->getCharset())");
+ }
+ }
+
+ if (!$this->getAttribute('capture')) {
+ $compiler->raw(' = ');
+
+ if (count($this->getNode('names')) > 1) {
+ $compiler->write('array(');
+ foreach ($this->getNode('values') as $idx => $value) {
+ if ($idx) {
+ $compiler->raw(', ');
+ }
+
+ $compiler->subcompile($value);
+ }
+ $compiler->raw(')');
+ } else {
+ if ($this->getAttribute('safe')) {
+ $compiler
+ ->raw("('' === \$tmp = ")
+ ->subcompile($this->getNode('values'))
+ ->raw(") ? '' : new Twig_Markup(\$tmp, \$this->env->getCharset())")
+ ;
+ } else {
+ $compiler->subcompile($this->getNode('values'));
+ }
+ }
+ }
+
+ $compiler->raw(";\n");
+ }
+}
diff --git a/lib/Twig/Node/Spaceless.php b/lib/Twig/Node/Spaceless.php
new file mode 100644
index 0000000..52a0760
--- /dev/null
+++ b/lib/Twig/Node/Spaceless.php
@@ -0,0 +1,35 @@
+
+ */
+class Twig_Node_Spaceless extends Twig_Node
+{
+ public function __construct(Twig_Node $body, $lineno, $tag = 'spaceless')
+ {
+ parent::__construct(array('body' => $body), array(), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write("ob_start();\n")
+ ->subcompile($this->getNode('body'))
+ ->write("echo trim(preg_replace('/>\s+<', ob_get_clean()));\n")
+ ;
+ }
+}
diff --git a/lib/Twig/Node/Text.php b/lib/Twig/Node/Text.php
new file mode 100644
index 0000000..39879bb
--- /dev/null
+++ b/lib/Twig/Node/Text.php
@@ -0,0 +1,34 @@
+
+ */
+class Twig_Node_Text extends Twig_Node implements Twig_NodeOutputInterface
+{
+ public function __construct($data, $lineno)
+ {
+ parent::__construct(array(), array('data' => $data), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write('echo ')
+ ->string($this->getAttribute('data'))
+ ->raw(";\n")
+ ;
+ }
+}
diff --git a/lib/Twig/Node/With.php b/lib/Twig/Node/With.php
new file mode 100644
index 0000000..4978f37
--- /dev/null
+++ b/lib/Twig/Node/With.php
@@ -0,0 +1,62 @@
+
+ */
+class Twig_Node_With extends Twig_Node
+{
+ public function __construct(Twig_Node $body, Twig_Node $variables = null, $only = false, $lineno, $tag = null)
+ {
+ $nodes = array('body' => $body);
+ if (null !== $variables) {
+ $nodes['variables'] = $variables;
+ }
+
+ parent::__construct($nodes, array('only' => (bool) $only), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->addDebugInfo($this);
+
+ if ($this->hasNode('variables')) {
+ $varsName = $compiler->getVarName();
+ $compiler
+ ->write(sprintf('$%s = ', $varsName))
+ ->subcompile($this->getNode('variables'))
+ ->raw(";\n")
+ ->write(sprintf("if (!is_array(\$%s)) {\n", $varsName))
+ ->indent()
+ ->write("throw new Twig_Error_Runtime('Variables passed to the \"with\" tag must be a hash.');\n")
+ ->outdent()
+ ->write("}\n")
+ ;
+
+ if ($this->getAttribute('only')) {
+ $compiler->write("\$context = array('_parent' => \$context);\n");
+ } else {
+ $compiler->write("\$context['_parent'] = \$context;\n");
+ }
+
+ $compiler->write(sprintf("\$context = array_merge(\$context, \$%s);\n", $varsName));
+ } else {
+ $compiler->write("\$context['_parent'] = \$context;\n");
+ }
+
+ $compiler
+ ->subcompile($this->getNode('body'))
+ ->write("\$context = \$context['_parent'];\n")
+ ;
+ }
+}
diff --git a/lib/Twig/NodeOutputInterface.php b/lib/Twig/NodeOutputInterface.php
new file mode 100644
index 0000000..22172c0
--- /dev/null
+++ b/lib/Twig/NodeOutputInterface.php
@@ -0,0 +1,19 @@
+
+ */
+interface Twig_NodeOutputInterface
+{
+}
diff --git a/lib/Twig/NodeTraverser.php b/lib/Twig/NodeTraverser.php
new file mode 100644
index 0000000..87a11d1
--- /dev/null
+++ b/lib/Twig/NodeTraverser.php
@@ -0,0 +1,76 @@
+
+ */
+final class Twig_NodeTraverser
+{
+ private $env;
+ private $visitors = array();
+
+ /**
+ * @param Twig_Environment $env
+ * @param Twig_NodeVisitorInterface[] $visitors
+ */
+ public function __construct(Twig_Environment $env, array $visitors = array())
+ {
+ $this->env = $env;
+ foreach ($visitors as $visitor) {
+ $this->addVisitor($visitor);
+ }
+ }
+
+ public function addVisitor(Twig_NodeVisitorInterface $visitor)
+ {
+ if (!isset($this->visitors[$visitor->getPriority()])) {
+ $this->visitors[$visitor->getPriority()] = array();
+ }
+
+ $this->visitors[$visitor->getPriority()][] = $visitor;
+ }
+
+ /**
+ * Traverses a node and calls the registered visitors.
+ *
+ * @return Twig_Node
+ */
+ public function traverse(Twig_Node $node)
+ {
+ ksort($this->visitors);
+ foreach ($this->visitors as $visitors) {
+ foreach ($visitors as $visitor) {
+ $node = $this->traverseForVisitor($visitor, $node);
+ }
+ }
+
+ return $node;
+ }
+
+ private function traverseForVisitor(Twig_NodeVisitorInterface $visitor, Twig_Node $node)
+ {
+ $node = $visitor->enterNode($node, $this->env);
+
+ foreach ($node as $k => $n) {
+ if (false !== $n = $this->traverseForVisitor($visitor, $n)) {
+ $node->setNode($k, $n);
+ } else {
+ $node->removeNode($k);
+ }
+ }
+
+ return $visitor->leaveNode($node, $this->env);
+ }
+}
diff --git a/lib/Twig/NodeVisitor/Escaper.php b/lib/Twig/NodeVisitor/Escaper.php
new file mode 100644
index 0000000..39cb1a8
--- /dev/null
+++ b/lib/Twig/NodeVisitor/Escaper.php
@@ -0,0 +1,150 @@
+
+ */
+final class Twig_NodeVisitor_Escaper extends Twig_BaseNodeVisitor
+{
+ private $statusStack = array();
+ private $blocks = array();
+ private $safeAnalysis;
+ private $traverser;
+ private $defaultStrategy = false;
+ private $safeVars = array();
+
+ public function __construct()
+ {
+ $this->safeAnalysis = new Twig_NodeVisitor_SafeAnalysis();
+ }
+
+ protected function doEnterNode(Twig_Node $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_Module) {
+ if ($env->hasExtension('Twig_Extension_Escaper') && $defaultStrategy = $env->getExtension('Twig_Extension_Escaper')->getDefaultStrategy($node->getTemplateName())) {
+ $this->defaultStrategy = $defaultStrategy;
+ }
+ $this->safeVars = array();
+ $this->blocks = array();
+ } elseif ($node instanceof Twig_Node_AutoEscape) {
+ $this->statusStack[] = $node->getAttribute('value');
+ } elseif ($node instanceof Twig_Node_Block) {
+ $this->statusStack[] = isset($this->blocks[$node->getAttribute('name')]) ? $this->blocks[$node->getAttribute('name')] : $this->needEscaping($env);
+ } elseif ($node instanceof Twig_Node_Import) {
+ $this->safeVars[] = $node->getNode('var')->getAttribute('name');
+ }
+
+ return $node;
+ }
+
+ protected function doLeaveNode(Twig_Node $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_Module) {
+ $this->defaultStrategy = false;
+ $this->safeVars = array();
+ $this->blocks = array();
+ } elseif ($node instanceof Twig_Node_Expression_Filter) {
+ return $this->preEscapeFilterNode($node, $env);
+ } elseif ($node instanceof Twig_Node_Print) {
+ return $this->escapePrintNode($node, $env, $this->needEscaping($env));
+ }
+
+ if ($node instanceof Twig_Node_AutoEscape || $node instanceof Twig_Node_Block) {
+ array_pop($this->statusStack);
+ } elseif ($node instanceof Twig_Node_BlockReference) {
+ $this->blocks[$node->getAttribute('name')] = $this->needEscaping($env);
+ }
+
+ return $node;
+ }
+
+ private function escapePrintNode(Twig_Node_Print $node, Twig_Environment $env, $type)
+ {
+ if (false === $type) {
+ return $node;
+ }
+
+ $expression = $node->getNode('expr');
+
+ if ($this->isSafeFor($type, $expression, $env)) {
+ return $node;
+ }
+
+ $class = get_class($node);
+
+ return new $class(
+ $this->getEscaperFilter($type, $expression),
+ $node->getTemplateLine()
+ );
+ }
+
+ private function preEscapeFilterNode(Twig_Node_Expression_Filter $filter, Twig_Environment $env)
+ {
+ $name = $filter->getNode('filter')->getAttribute('value');
+
+ $type = $env->getFilter($name)->getPreEscape();
+ if (null === $type) {
+ return $filter;
+ }
+
+ $node = $filter->getNode('node');
+ if ($this->isSafeFor($type, $node, $env)) {
+ return $filter;
+ }
+
+ $filter->setNode('node', $this->getEscaperFilter($type, $node));
+
+ return $filter;
+ }
+
+ private function isSafeFor($type, Twig_Node $expression, $env)
+ {
+ $safe = $this->safeAnalysis->getSafe($expression);
+
+ if (null === $safe) {
+ if (null === $this->traverser) {
+ $this->traverser = new Twig_NodeTraverser($env, array($this->safeAnalysis));
+ }
+
+ $this->safeAnalysis->setSafeVars($this->safeVars);
+
+ $this->traverser->traverse($expression);
+ $safe = $this->safeAnalysis->getSafe($expression);
+ }
+
+ return in_array($type, $safe) || in_array('all', $safe);
+ }
+
+ private function needEscaping(Twig_Environment $env)
+ {
+ if (count($this->statusStack)) {
+ return $this->statusStack[count($this->statusStack) - 1];
+ }
+
+ return $this->defaultStrategy ? $this->defaultStrategy : false;
+ }
+
+ private function getEscaperFilter($type, Twig_Node $node)
+ {
+ $line = $node->getTemplateLine();
+ $name = new Twig_Node_Expression_Constant('escape', $line);
+ $args = new Twig_Node(array(new Twig_Node_Expression_Constant((string) $type, $line), new Twig_Node_Expression_Constant(null, $line), new Twig_Node_Expression_Constant(true, $line)));
+
+ return new Twig_Node_Expression_Filter($node, $name, $args, $line);
+ }
+
+ public function getPriority()
+ {
+ return 0;
+ }
+}
diff --git a/lib/Twig/NodeVisitor/Optimizer.php b/lib/Twig/NodeVisitor/Optimizer.php
new file mode 100644
index 0000000..397a8e0
--- /dev/null
+++ b/lib/Twig/NodeVisitor/Optimizer.php
@@ -0,0 +1,205 @@
+
+ */
+final class Twig_NodeVisitor_Optimizer extends Twig_BaseNodeVisitor
+{
+ const OPTIMIZE_ALL = -1;
+ const OPTIMIZE_NONE = 0;
+ const OPTIMIZE_FOR = 2;
+ const OPTIMIZE_RAW_FILTER = 4;
+ // obsolete, does not do anything
+ const OPTIMIZE_VAR_ACCESS = 8;
+
+ private $loops = array();
+ private $loopsTargets = array();
+ private $optimizers;
+
+ /**
+ * @param int $optimizers The optimizer mode
+ */
+ public function __construct($optimizers = -1)
+ {
+ if (!is_int($optimizers) || $optimizers > (self::OPTIMIZE_FOR | self::OPTIMIZE_RAW_FILTER | self::OPTIMIZE_VAR_ACCESS)) {
+ throw new InvalidArgumentException(sprintf('Optimizer mode "%s" is not valid.', $optimizers));
+ }
+
+ $this->optimizers = $optimizers;
+ }
+
+ protected function doEnterNode(Twig_Node $node, Twig_Environment $env)
+ {
+ if (self::OPTIMIZE_FOR === (self::OPTIMIZE_FOR & $this->optimizers)) {
+ $this->enterOptimizeFor($node, $env);
+ }
+
+ return $node;
+ }
+
+ protected function doLeaveNode(Twig_Node $node, Twig_Environment $env)
+ {
+ if (self::OPTIMIZE_FOR === (self::OPTIMIZE_FOR & $this->optimizers)) {
+ $this->leaveOptimizeFor($node, $env);
+ }
+
+ if (self::OPTIMIZE_RAW_FILTER === (self::OPTIMIZE_RAW_FILTER & $this->optimizers)) {
+ $node = $this->optimizeRawFilter($node, $env);
+ }
+
+ $node = $this->optimizePrintNode($node, $env);
+
+ return $node;
+ }
+
+ /**
+ * Optimizes print nodes.
+ *
+ * It replaces:
+ *
+ * * "echo $this->render(Parent)Block()" with "$this->display(Parent)Block()"
+ *
+ * @return Twig_Node
+ */
+ private function optimizePrintNode(Twig_Node $node, Twig_Environment $env)
+ {
+ if (!$node instanceof Twig_Node_Print) {
+ return $node;
+ }
+
+ $exprNode = $node->getNode('expr');
+ if (
+ $exprNode instanceof Twig_Node_Expression_BlockReference ||
+ $exprNode instanceof Twig_Node_Expression_Parent
+ ) {
+ $exprNode->setAttribute('output', true);
+
+ return $exprNode;
+ }
+
+ return $node;
+ }
+
+ /**
+ * Removes "raw" filters.
+ *
+ * @return Twig_Node
+ */
+ private function optimizeRawFilter(Twig_Node $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_Expression_Filter && 'raw' == $node->getNode('filter')->getAttribute('value')) {
+ return $node->getNode('node');
+ }
+
+ return $node;
+ }
+
+ /**
+ * Optimizes "for" tag by removing the "loop" variable creation whenever possible.
+ */
+ private function enterOptimizeFor(Twig_Node $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_For) {
+ // disable the loop variable by default
+ $node->setAttribute('with_loop', false);
+ array_unshift($this->loops, $node);
+ array_unshift($this->loopsTargets, $node->getNode('value_target')->getAttribute('name'));
+ array_unshift($this->loopsTargets, $node->getNode('key_target')->getAttribute('name'));
+ } elseif (!$this->loops) {
+ // we are outside a loop
+ return;
+ }
+
+ // when do we need to add the loop variable back?
+
+ // the loop variable is referenced for the current loop
+ elseif ($node instanceof Twig_Node_Expression_Name && 'loop' === $node->getAttribute('name')) {
+ $node->setAttribute('always_defined', true);
+ $this->addLoopToCurrent();
+ }
+
+ // optimize access to loop targets
+ elseif ($node instanceof Twig_Node_Expression_Name && in_array($node->getAttribute('name'), $this->loopsTargets)) {
+ $node->setAttribute('always_defined', true);
+ }
+
+ // block reference
+ elseif ($node instanceof Twig_Node_BlockReference || $node instanceof Twig_Node_Expression_BlockReference) {
+ $this->addLoopToCurrent();
+ }
+
+ // include without the only attribute
+ elseif ($node instanceof Twig_Node_Include && !$node->getAttribute('only')) {
+ $this->addLoopToAll();
+ }
+
+ // include function without the with_context=false parameter
+ elseif ($node instanceof Twig_Node_Expression_Function
+ && 'include' === $node->getAttribute('name')
+ && (!$node->getNode('arguments')->hasNode('with_context')
+ || false !== $node->getNode('arguments')->getNode('with_context')->getAttribute('value')
+ )
+ ) {
+ $this->addLoopToAll();
+ }
+
+ // the loop variable is referenced via an attribute
+ elseif ($node instanceof Twig_Node_Expression_GetAttr
+ && (!$node->getNode('attribute') instanceof Twig_Node_Expression_Constant
+ || 'parent' === $node->getNode('attribute')->getAttribute('value')
+ )
+ && (true === $this->loops[0]->getAttribute('with_loop')
+ || ($node->getNode('node') instanceof Twig_Node_Expression_Name
+ && 'loop' === $node->getNode('node')->getAttribute('name')
+ )
+ )
+ ) {
+ $this->addLoopToAll();
+ }
+ }
+
+ /**
+ * Optimizes "for" tag by removing the "loop" variable creation whenever possible.
+ */
+ private function leaveOptimizeFor(Twig_Node $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_For) {
+ array_shift($this->loops);
+ array_shift($this->loopsTargets);
+ array_shift($this->loopsTargets);
+ }
+ }
+
+ private function addLoopToCurrent()
+ {
+ $this->loops[0]->setAttribute('with_loop', true);
+ }
+
+ private function addLoopToAll()
+ {
+ foreach ($this->loops as $loop) {
+ $loop->setAttribute('with_loop', true);
+ }
+ }
+
+ public function getPriority()
+ {
+ return 255;
+ }
+}
diff --git a/lib/Twig/NodeVisitor/SafeAnalysis.php b/lib/Twig/NodeVisitor/SafeAnalysis.php
new file mode 100644
index 0000000..63a635b
--- /dev/null
+++ b/lib/Twig/NodeVisitor/SafeAnalysis.php
@@ -0,0 +1,144 @@
+safeVars = $safeVars;
+ }
+
+ public function getSafe(Twig_Node $node)
+ {
+ $hash = spl_object_hash($node);
+ if (!isset($this->data[$hash])) {
+ return;
+ }
+
+ foreach ($this->data[$hash] as $bucket) {
+ if ($bucket['key'] !== $node) {
+ continue;
+ }
+
+ if (in_array('html_attr', $bucket['value'])) {
+ $bucket['value'][] = 'html';
+ }
+
+ return $bucket['value'];
+ }
+ }
+
+ private function setSafe(Twig_Node $node, array $safe)
+ {
+ $hash = spl_object_hash($node);
+ if (isset($this->data[$hash])) {
+ foreach ($this->data[$hash] as &$bucket) {
+ if ($bucket['key'] === $node) {
+ $bucket['value'] = $safe;
+
+ return;
+ }
+ }
+ }
+ $this->data[$hash][] = array(
+ 'key' => $node,
+ 'value' => $safe,
+ );
+ }
+
+ protected function doEnterNode(Twig_Node $node, Twig_Environment $env)
+ {
+ return $node;
+ }
+
+ protected function doLeaveNode(Twig_Node $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_Expression_Constant) {
+ // constants are marked safe for all
+ $this->setSafe($node, array('all'));
+ } elseif ($node instanceof Twig_Node_Expression_BlockReference) {
+ // blocks are safe by definition
+ $this->setSafe($node, array('all'));
+ } elseif ($node instanceof Twig_Node_Expression_Parent) {
+ // parent block is safe by definition
+ $this->setSafe($node, array('all'));
+ } elseif ($node instanceof Twig_Node_Expression_Conditional) {
+ // intersect safeness of both operands
+ $safe = $this->intersectSafe($this->getSafe($node->getNode('expr2')), $this->getSafe($node->getNode('expr3')));
+ $this->setSafe($node, $safe);
+ } elseif ($node instanceof Twig_Node_Expression_Filter) {
+ // filter expression is safe when the filter is safe
+ $name = $node->getNode('filter')->getAttribute('value');
+ $args = $node->getNode('arguments');
+ if (false !== $filter = $env->getFilter($name)) {
+ $safe = $filter->getSafe($args);
+ if (null === $safe) {
+ $safe = $this->intersectSafe($this->getSafe($node->getNode('node')), $filter->getPreservesSafety());
+ }
+ $this->setSafe($node, $safe);
+ } else {
+ $this->setSafe($node, array());
+ }
+ } elseif ($node instanceof Twig_Node_Expression_Function) {
+ // function expression is safe when the function is safe
+ $name = $node->getAttribute('name');
+ $args = $node->getNode('arguments');
+ $function = $env->getFunction($name);
+ if (false !== $function) {
+ $this->setSafe($node, $function->getSafe($args));
+ } else {
+ $this->setSafe($node, array());
+ }
+ } elseif ($node instanceof Twig_Node_Expression_MethodCall) {
+ if ($node->getAttribute('safe')) {
+ $this->setSafe($node, array('all'));
+ } else {
+ $this->setSafe($node, array());
+ }
+ } elseif ($node instanceof Twig_Node_Expression_GetAttr && $node->getNode('node') instanceof Twig_Node_Expression_Name) {
+ $name = $node->getNode('node')->getAttribute('name');
+ if (in_array($name, $this->safeVars)) {
+ $this->setSafe($node, array('all'));
+ } else {
+ $this->setSafe($node, array());
+ }
+ } else {
+ $this->setSafe($node, array());
+ }
+
+ return $node;
+ }
+
+ private function intersectSafe(array $a = null, array $b = null)
+ {
+ if (null === $a || null === $b) {
+ return array();
+ }
+
+ if (in_array('all', $a)) {
+ return $b;
+ }
+
+ if (in_array('all', $b)) {
+ return $a;
+ }
+
+ return array_intersect($a, $b);
+ }
+
+ public function getPriority()
+ {
+ return 0;
+ }
+}
diff --git a/lib/Twig/NodeVisitor/Sandbox.php b/lib/Twig/NodeVisitor/Sandbox.php
new file mode 100644
index 0000000..f10af3d
--- /dev/null
+++ b/lib/Twig/NodeVisitor/Sandbox.php
@@ -0,0 +1,73 @@
+
+ */
+final class Twig_NodeVisitor_Sandbox extends Twig_BaseNodeVisitor
+{
+ private $inAModule = false;
+ private $tags;
+ private $filters;
+ private $functions;
+
+ protected function doEnterNode(Twig_Node $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_Module) {
+ $this->inAModule = true;
+ $this->tags = array();
+ $this->filters = array();
+ $this->functions = array();
+
+ return $node;
+ } elseif ($this->inAModule) {
+ // look for tags
+ if ($node->getNodeTag() && !isset($this->tags[$node->getNodeTag()])) {
+ $this->tags[$node->getNodeTag()] = $node;
+ }
+
+ // look for filters
+ if ($node instanceof Twig_Node_Expression_Filter && !isset($this->filters[$node->getNode('filter')->getAttribute('value')])) {
+ $this->filters[$node->getNode('filter')->getAttribute('value')] = $node;
+ }
+
+ // look for functions
+ if ($node instanceof Twig_Node_Expression_Function && !isset($this->functions[$node->getAttribute('name')])) {
+ $this->functions[$node->getAttribute('name')] = $node;
+ }
+
+ // wrap print to check __toString() calls
+ if ($node instanceof Twig_Node_Print) {
+ return new Twig_Node_SandboxedPrint($node->getNode('expr'), $node->getTemplateLine(), $node->getNodeTag());
+ }
+ }
+
+ return $node;
+ }
+
+ protected function doLeaveNode(Twig_Node $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_Module) {
+ $this->inAModule = false;
+
+ $node->setNode('display_start', new Twig_Node(array(new Twig_Node_CheckSecurity($this->filters, $this->tags, $this->functions), $node->getNode('display_start'))));
+ }
+
+ return $node;
+ }
+
+ public function getPriority()
+ {
+ return 0;
+ }
+}
diff --git a/lib/Twig/NodeVisitorInterface.php b/lib/Twig/NodeVisitorInterface.php
new file mode 100644
index 0000000..20e068a
--- /dev/null
+++ b/lib/Twig/NodeVisitorInterface.php
@@ -0,0 +1,41 @@
+
+ */
+interface Twig_NodeVisitorInterface
+{
+ /**
+ * Called before child nodes are visited.
+ *
+ * @return Twig_Node The modified node
+ */
+ public function enterNode(Twig_Node $node, Twig_Environment $env);
+
+ /**
+ * Called after child nodes are visited.
+ *
+ * @return Twig_Node|false The modified node or false if the node must be removed
+ */
+ public function leaveNode(Twig_Node $node, Twig_Environment $env);
+
+ /**
+ * Returns the priority for this visitor.
+ *
+ * Priority should be between -10 and 10 (0 is the default).
+ *
+ * @return int The priority level
+ */
+ public function getPriority();
+}
diff --git a/lib/Twig/Parser.php b/lib/Twig/Parser.php
new file mode 100644
index 0000000..17fdbfb
--- /dev/null
+++ b/lib/Twig/Parser.php
@@ -0,0 +1,346 @@
+
+ */
+class Twig_Parser
+{
+ private $stack = array();
+ private $stream;
+ private $parent;
+ private $handlers;
+ private $visitors;
+ private $expressionParser;
+ private $blocks;
+ private $blockStack;
+ private $macros;
+ private $env;
+ private $importedSymbols;
+ private $traits;
+ private $embeddedTemplates = array();
+
+ public function __construct(Twig_Environment $env)
+ {
+ $this->env = $env;
+ }
+
+ public function getVarName()
+ {
+ return sprintf('__internal_%s', hash('sha256', uniqid(mt_rand(), true), false));
+ }
+
+ public function parse(Twig_TokenStream $stream, $test = null, $dropNeedle = false)
+ {
+ $vars = get_object_vars($this);
+ unset($vars['stack'], $vars['env'], $vars['handlers'], $vars['visitors'], $vars['expressionParser'], $vars['reservedMacroNames']);
+ $this->stack[] = $vars;
+
+ // tag handlers
+ if (null === $this->handlers) {
+ $this->handlers = array();
+ foreach ($this->env->getTokenParsers() as $handler) {
+ $handler->setParser($this);
+
+ $this->handlers[$handler->getTag()] = $handler;
+ }
+ }
+
+ // node visitors
+ if (null === $this->visitors) {
+ $this->visitors = $this->env->getNodeVisitors();
+ }
+
+ if (null === $this->expressionParser) {
+ $this->expressionParser = new Twig_ExpressionParser($this, $this->env);
+ }
+
+ $this->stream = $stream;
+ $this->parent = null;
+ $this->blocks = array();
+ $this->macros = array();
+ $this->traits = array();
+ $this->blockStack = array();
+ $this->importedSymbols = array(array());
+ $this->embeddedTemplates = array();
+
+ try {
+ $body = $this->subparse($test, $dropNeedle);
+
+ if (null !== $this->parent && null === $body = $this->filterBodyNodes($body)) {
+ $body = new Twig_Node();
+ }
+ } catch (Twig_Error_Syntax $e) {
+ if (!$e->getSourceContext()) {
+ $e->setSourceContext($this->stream->getSourceContext());
+ }
+
+ if (!$e->getTemplateLine()) {
+ $e->setTemplateLine($this->stream->getCurrent()->getLine());
+ }
+
+ throw $e;
+ }
+
+ $node = new Twig_Node_Module(new Twig_Node_Body(array($body)), $this->parent, new Twig_Node($this->blocks), new Twig_Node($this->macros), new Twig_Node($this->traits), $this->embeddedTemplates, $stream->getSourceContext());
+
+ $traverser = new Twig_NodeTraverser($this->env, $this->visitors);
+
+ $node = $traverser->traverse($node);
+
+ // restore previous stack so previous parse() call can resume working
+ foreach (array_pop($this->stack) as $key => $val) {
+ $this->$key = $val;
+ }
+
+ return $node;
+ }
+
+ public function subparse($test, $dropNeedle = false)
+ {
+ $lineno = $this->getCurrentToken()->getLine();
+ $rv = array();
+ while (!$this->stream->isEOF()) {
+ switch ($this->getCurrentToken()->getType()) {
+ case Twig_Token::TEXT_TYPE:
+ $token = $this->stream->next();
+ $rv[] = new Twig_Node_Text($token->getValue(), $token->getLine());
+ break;
+
+ case Twig_Token::VAR_START_TYPE:
+ $token = $this->stream->next();
+ $expr = $this->expressionParser->parseExpression();
+ $this->stream->expect(Twig_Token::VAR_END_TYPE);
+ $rv[] = new Twig_Node_Print($expr, $token->getLine());
+ break;
+
+ case Twig_Token::BLOCK_START_TYPE:
+ $this->stream->next();
+ $token = $this->getCurrentToken();
+
+ if ($token->getType() !== Twig_Token::NAME_TYPE) {
+ throw new Twig_Error_Syntax('A block must start with a tag name.', $token->getLine(), $this->stream->getSourceContext());
+ }
+
+ if (null !== $test && $test($token)) {
+ if ($dropNeedle) {
+ $this->stream->next();
+ }
+
+ if (1 === count($rv)) {
+ return $rv[0];
+ }
+
+ return new Twig_Node($rv, array(), $lineno);
+ }
+
+ if (!isset($this->handlers[$token->getValue()])) {
+ if (null !== $test) {
+ $e = new Twig_Error_Syntax(sprintf('Unexpected "%s" tag', $token->getValue()), $token->getLine(), $this->stream->getSourceContext());
+
+ if (is_array($test) && isset($test[0]) && $test[0] instanceof Twig_TokenParserInterface) {
+ $e->appendMessage(sprintf(' (expecting closing tag for the "%s" tag defined near line %s).', $test[0]->getTag(), $lineno));
+ }
+ } else {
+ $e = new Twig_Error_Syntax(sprintf('Unknown "%s" tag.', $token->getValue()), $token->getLine(), $this->stream->getSourceContext());
+ $e->addSuggestions($token->getValue(), array_keys($this->env->getTags()));
+ }
+
+ throw $e;
+ }
+
+ $this->stream->next();
+
+ $subparser = $this->handlers[$token->getValue()];
+ $node = $subparser->parse($token);
+ if (null !== $node) {
+ $rv[] = $node;
+ }
+ break;
+
+ default:
+ throw new Twig_Error_Syntax('Lexer or parser ended up in unsupported state.', $this->getCurrentToken()->getLine(), $this->stream->getSourceContext());
+ }
+ }
+
+ if (1 === count($rv)) {
+ return $rv[0];
+ }
+
+ return new Twig_Node($rv, array(), $lineno);
+ }
+
+ public function getBlockStack()
+ {
+ return $this->blockStack;
+ }
+
+ public function peekBlockStack()
+ {
+ return $this->blockStack[count($this->blockStack) - 1];
+ }
+
+ public function popBlockStack()
+ {
+ array_pop($this->blockStack);
+ }
+
+ public function pushBlockStack($name)
+ {
+ $this->blockStack[] = $name;
+ }
+
+ public function hasBlock($name)
+ {
+ return isset($this->blocks[$name]);
+ }
+
+ public function getBlock($name)
+ {
+ return $this->blocks[$name];
+ }
+
+ public function setBlock($name, Twig_Node_Block $value)
+ {
+ $this->blocks[$name] = new Twig_Node_Body(array($value), array(), $value->getTemplateLine());
+ }
+
+ public function hasMacro($name)
+ {
+ return isset($this->macros[$name]);
+ }
+
+ public function setMacro($name, Twig_Node_Macro $node)
+ {
+ $this->macros[$name] = $node;
+ }
+
+ public function isReservedMacroName($name)
+ {
+ return false;
+ }
+
+ public function addTrait($trait)
+ {
+ $this->traits[] = $trait;
+ }
+
+ public function hasTraits()
+ {
+ return count($this->traits) > 0;
+ }
+
+ public function embedTemplate(Twig_Node_Module $template)
+ {
+ $template->setIndex(mt_rand());
+
+ $this->embeddedTemplates[] = $template;
+ }
+
+ public function addImportedSymbol($type, $alias, $name = null, Twig_Node_Expression $node = null)
+ {
+ $this->importedSymbols[0][$type][$alias] = array('name' => $name, 'node' => $node);
+ }
+
+ public function getImportedSymbol($type, $alias)
+ {
+ foreach ($this->importedSymbols as $functions) {
+ if (isset($functions[$type][$alias])) {
+ return $functions[$type][$alias];
+ }
+ }
+ }
+
+ public function isMainScope()
+ {
+ return 1 === count($this->importedSymbols);
+ }
+
+ public function pushLocalScope()
+ {
+ array_unshift($this->importedSymbols, array());
+ }
+
+ public function popLocalScope()
+ {
+ array_shift($this->importedSymbols);
+ }
+
+ /**
+ * @return Twig_ExpressionParser
+ */
+ public function getExpressionParser()
+ {
+ return $this->expressionParser;
+ }
+
+ public function getParent()
+ {
+ return $this->parent;
+ }
+
+ public function setParent($parent)
+ {
+ $this->parent = $parent;
+ }
+
+ /**
+ * @return Twig_TokenStream
+ */
+ public function getStream()
+ {
+ return $this->stream;
+ }
+
+ /**
+ * @return Twig_Token
+ */
+ public function getCurrentToken()
+ {
+ return $this->stream->getCurrent();
+ }
+
+ private function filterBodyNodes(Twig_Node $node)
+ {
+ // check that the body does not contain non-empty output nodes
+ if (
+ ($node instanceof Twig_Node_Text && !ctype_space($node->getAttribute('data')))
+ ||
+ (!$node instanceof Twig_Node_Text && !$node instanceof Twig_Node_BlockReference && $node instanceof Twig_NodeOutputInterface)
+ ) {
+ if (false !== strpos((string) $node, chr(0xEF).chr(0xBB).chr(0xBF))) {
+ throw new Twig_Error_Syntax('A template that extends another one cannot start with a byte order mark (BOM); it must be removed.', $node->getTemplateLine(), $this->stream->getSourceContext());
+ }
+
+ throw new Twig_Error_Syntax('A template that extends another one cannot include contents outside Twig blocks. Did you forget to put the contents inside a {% block %} tag?', $node->getTemplateLine(), $this->stream->getSourceContext());
+ }
+
+ // bypass "set" nodes as they "capture" the output
+ if ($node instanceof Twig_Node_Set) {
+ return $node;
+ }
+
+ if ($node instanceof Twig_NodeOutputInterface) {
+ return;
+ }
+
+ foreach ($node as $k => $n) {
+ if (null !== $n && null === $this->filterBodyNodes($n)) {
+ $node->removeNode($k);
+ }
+ }
+
+ return $node;
+ }
+}
diff --git a/lib/Twig/Profiler/Dumper/Blackfire.php b/lib/Twig/Profiler/Dumper/Blackfire.php
new file mode 100644
index 0000000..15359b6
--- /dev/null
+++ b/lib/Twig/Profiler/Dumper/Blackfire.php
@@ -0,0 +1,68 @@
+
+ */
+final class Twig_Profiler_Dumper_Blackfire
+{
+ public function dump(Twig_Profiler_Profile $profile)
+ {
+ $data = array();
+ $this->dumpProfile('main()', $profile, $data);
+ $this->dumpChildren('main()', $profile, $data);
+
+ $start = microtime(true);
+ $str = << $values) {
+ $str .= "{$name}//{$values['ct']} {$values['wt']} {$values['mu']} {$values['pmu']}\n";
+ }
+
+ return $str;
+ }
+
+ private function dumpChildren($parent, Twig_Profiler_Profile $profile, &$data)
+ {
+ foreach ($profile as $p) {
+ if ($p->isTemplate()) {
+ $name = $p->getTemplate();
+ } else {
+ $name = sprintf('%s::%s(%s)', $p->getTemplate(), $p->getType(), $p->getName());
+ }
+ $this->dumpProfile(sprintf('%s==>%s', $parent, $name), $p, $data);
+ $this->dumpChildren($name, $p, $data);
+ }
+ }
+
+ private function dumpProfile($edge, Twig_Profiler_Profile $profile, &$data)
+ {
+ if (isset($data[$edge])) {
+ $data[$edge]['ct'] += 1;
+ $data[$edge]['wt'] += floor($profile->getDuration() * 1000000);
+ $data[$edge]['mu'] += $profile->getMemoryUsage();
+ $data[$edge]['pmu'] += $profile->getPeakMemoryUsage();
+ } else {
+ $data[$edge] = array(
+ 'ct' => 1,
+ 'wt' => floor($profile->getDuration() * 1000000),
+ 'mu' => $profile->getMemoryUsage(),
+ 'pmu' => $profile->getPeakMemoryUsage(),
+ );
+ }
+ }
+}
diff --git a/lib/Twig/Profiler/Dumper/Html.php b/lib/Twig/Profiler/Dumper/Html.php
new file mode 100644
index 0000000..5a58822
--- /dev/null
+++ b/lib/Twig/Profiler/Dumper/Html.php
@@ -0,0 +1,43 @@
+
+ */
+final class Twig_Profiler_Dumper_Html extends Twig_Profiler_Dumper_Text
+{
+ private static $colors = array(
+ 'block' => '#dfd',
+ 'macro' => '#ddf',
+ 'template' => '#ffd',
+ 'big' => '#d44',
+ );
+
+ public function dump(Twig_Profiler_Profile $profile)
+ {
+ return ''.parent::dump($profile).'
';
+ }
+
+ protected function formatTemplate(Twig_Profiler_Profile $profile, $prefix)
+ {
+ return sprintf('%sâ”” %s', $prefix, self::$colors['template'], $profile->getTemplate());
+ }
+
+ protected function formatNonTemplate(Twig_Profiler_Profile $profile, $prefix)
+ {
+ return sprintf('%sâ”” %s::%s(%s)', $prefix, $profile->getTemplate(), $profile->getType(), isset(self::$colors[$profile->getType()]) ? self::$colors[$profile->getType()] : 'auto', $profile->getName());
+ }
+
+ protected function formatTime(Twig_Profiler_Profile $profile, $percent)
+ {
+ return sprintf('%.2fms/%.0f%%', $percent > 20 ? self::$colors['big'] : 'auto', $profile->getDuration() * 1000, $percent);
+ }
+}
diff --git a/lib/Twig/Profiler/Dumper/Text.php b/lib/Twig/Profiler/Dumper/Text.php
new file mode 100644
index 0000000..d8c0f9f
--- /dev/null
+++ b/lib/Twig/Profiler/Dumper/Text.php
@@ -0,0 +1,70 @@
+
+ *
+ * @final
+ */
+class Twig_Profiler_Dumper_Text
+{
+ private $root;
+
+ public function dump(Twig_Profiler_Profile $profile)
+ {
+ return $this->dumpProfile($profile);
+ }
+
+ protected function formatTemplate(Twig_Profiler_Profile $profile, $prefix)
+ {
+ return sprintf('%sâ”” %s', $prefix, $profile->getTemplate());
+ }
+
+ protected function formatNonTemplate(Twig_Profiler_Profile $profile, $prefix)
+ {
+ return sprintf('%sâ”” %s::%s(%s)', $prefix, $profile->getTemplate(), $profile->getType(), $profile->getName());
+ }
+
+ protected function formatTime(Twig_Profiler_Profile $profile, $percent)
+ {
+ return sprintf('%.2fms/%.0f%%', $profile->getDuration() * 1000, $percent);
+ }
+
+ private function dumpProfile(Twig_Profiler_Profile $profile, $prefix = '', $sibling = false)
+ {
+ if ($profile->isRoot()) {
+ $this->root = $profile->getDuration();
+ $start = $profile->getName();
+ } else {
+ if ($profile->isTemplate()) {
+ $start = $this->formatTemplate($profile, $prefix);
+ } else {
+ $start = $this->formatNonTemplate($profile, $prefix);
+ }
+ $prefix .= $sibling ? '│ ' : ' ';
+ }
+
+ $percent = $this->root ? $profile->getDuration() / $this->root * 100 : 0;
+
+ if ($profile->getDuration() * 1000 < 1) {
+ $str = $start."\n";
+ } else {
+ $str = sprintf("%s %s\n", $start, $this->formatTime($profile, $percent));
+ }
+
+ $nCount = count($profile->getProfiles());
+ foreach ($profile as $i => $p) {
+ $str .= $this->dumpProfile($p, $prefix, $i + 1 !== $nCount);
+ }
+
+ return $str;
+ }
+}
diff --git a/lib/Twig/Profiler/Node/EnterProfile.php b/lib/Twig/Profiler/Node/EnterProfile.php
new file mode 100644
index 0000000..3272f81
--- /dev/null
+++ b/lib/Twig/Profiler/Node/EnterProfile.php
@@ -0,0 +1,37 @@
+
+ */
+class Twig_Profiler_Node_EnterProfile extends Twig_Node
+{
+ public function __construct($extensionName, $type, $name, $varName)
+ {
+ parent::__construct(array(), array('extension_name' => $extensionName, 'name' => $name, 'type' => $type, 'var_name' => $varName));
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write(sprintf('$%s = $this->env->getExtension(', $this->getAttribute('var_name')))
+ ->repr($this->getAttribute('extension_name'))
+ ->raw(");\n")
+ ->write(sprintf('$%s->enter($%s = new Twig_Profiler_Profile($this->getTemplateName(), ', $this->getAttribute('var_name'), $this->getAttribute('var_name').'_prof'))
+ ->repr($this->getAttribute('type'))
+ ->raw(', ')
+ ->repr($this->getAttribute('name'))
+ ->raw("));\n\n")
+ ;
+ }
+}
diff --git a/lib/Twig/Profiler/Node/LeaveProfile.php b/lib/Twig/Profiler/Node/LeaveProfile.php
new file mode 100644
index 0000000..c0e145e
--- /dev/null
+++ b/lib/Twig/Profiler/Node/LeaveProfile.php
@@ -0,0 +1,31 @@
+
+ */
+class Twig_Profiler_Node_LeaveProfile extends Twig_Node
+{
+ public function __construct($varName)
+ {
+ parent::__construct(array(), array('var_name' => $varName));
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("\n")
+ ->write(sprintf("\$%s->leave(\$%s);\n\n", $this->getAttribute('var_name'), $this->getAttribute('var_name').'_prof'))
+ ;
+ }
+}
diff --git a/lib/Twig/Profiler/NodeVisitor/Profiler.php b/lib/Twig/Profiler/NodeVisitor/Profiler.php
new file mode 100644
index 0000000..90f6455
--- /dev/null
+++ b/lib/Twig/Profiler/NodeVisitor/Profiler.php
@@ -0,0 +1,63 @@
+
+ */
+final class Twig_Profiler_NodeVisitor_Profiler extends Twig_BaseNodeVisitor
+{
+ private $extensionName;
+
+ public function __construct($extensionName)
+ {
+ $this->extensionName = $extensionName;
+ }
+
+ protected function doEnterNode(Twig_Node $node, Twig_Environment $env)
+ {
+ return $node;
+ }
+
+ protected function doLeaveNode(Twig_Node $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_Module) {
+ $varName = $this->getVarName();
+ $node->setNode('display_start', new Twig_Node(array(new Twig_Profiler_Node_EnterProfile($this->extensionName, Twig_Profiler_Profile::TEMPLATE, $node->getTemplateName(), $varName), $node->getNode('display_start'))));
+ $node->setNode('display_end', new Twig_Node(array(new Twig_Profiler_Node_LeaveProfile($varName), $node->getNode('display_end'))));
+ } elseif ($node instanceof Twig_Node_Block) {
+ $varName = $this->getVarName();
+ $node->setNode('body', new Twig_Node_Body(array(
+ new Twig_Profiler_Node_EnterProfile($this->extensionName, Twig_Profiler_Profile::BLOCK, $node->getAttribute('name'), $varName),
+ $node->getNode('body'),
+ new Twig_Profiler_Node_LeaveProfile($varName),
+ )));
+ } elseif ($node instanceof Twig_Node_Macro) {
+ $varName = $this->getVarName();
+ $node->setNode('body', new Twig_Node_Body(array(
+ new Twig_Profiler_Node_EnterProfile($this->extensionName, Twig_Profiler_Profile::MACRO, $node->getAttribute('name'), $varName),
+ $node->getNode('body'),
+ new Twig_Profiler_Node_LeaveProfile($varName),
+ )));
+ }
+
+ return $node;
+ }
+
+ private function getVarName()
+ {
+ return sprintf('__internal_%s', hash('sha256', uniqid(mt_rand(), true), false));
+ }
+
+ public function getPriority()
+ {
+ return 0;
+ }
+}
diff --git a/lib/Twig/Profiler/Profile.php b/lib/Twig/Profiler/Profile.php
new file mode 100644
index 0000000..93bdbb6
--- /dev/null
+++ b/lib/Twig/Profiler/Profile.php
@@ -0,0 +1,162 @@
+
+ *
+ * @final
+ */
+class Twig_Profiler_Profile implements IteratorAggregate, Serializable
+{
+ const ROOT = 'ROOT';
+ const BLOCK = 'block';
+ const TEMPLATE = 'template';
+ const MACRO = 'macro';
+
+ private $template;
+ private $name;
+ private $type;
+ private $starts = array();
+ private $ends = array();
+ private $profiles = array();
+
+ public function __construct($template = 'main', $type = self::ROOT, $name = 'main')
+ {
+ $this->template = $template;
+ $this->type = $type;
+ $this->name = 0 === strpos($name, '__internal_') ? 'INTERNAL' : $name;
+ $this->enter();
+ }
+
+ public function getTemplate()
+ {
+ return $this->template;
+ }
+
+ public function getType()
+ {
+ return $this->type;
+ }
+
+ public function getName()
+ {
+ return $this->name;
+ }
+
+ public function isRoot()
+ {
+ return self::ROOT === $this->type;
+ }
+
+ public function isTemplate()
+ {
+ return self::TEMPLATE === $this->type;
+ }
+
+ public function isBlock()
+ {
+ return self::BLOCK === $this->type;
+ }
+
+ public function isMacro()
+ {
+ return self::MACRO === $this->type;
+ }
+
+ public function getProfiles()
+ {
+ return $this->profiles;
+ }
+
+ public function addProfile(Twig_Profiler_Profile $profile)
+ {
+ $this->profiles[] = $profile;
+ }
+
+ /**
+ * Returns the duration in microseconds.
+ *
+ * @return int
+ */
+ public function getDuration()
+ {
+ if ($this->isRoot() && $this->profiles) {
+ // for the root node with children, duration is the sum of all child durations
+ $duration = 0;
+ foreach ($this->profiles as $profile) {
+ $duration += $profile->getDuration();
+ }
+
+ return $duration;
+ }
+
+ return isset($this->ends['wt']) && isset($this->starts['wt']) ? $this->ends['wt'] - $this->starts['wt'] : 0;
+ }
+
+ /**
+ * Returns the memory usage in bytes.
+ *
+ * @return int
+ */
+ public function getMemoryUsage()
+ {
+ return isset($this->ends['mu']) && isset($this->starts['mu']) ? $this->ends['mu'] - $this->starts['mu'] : 0;
+ }
+
+ /**
+ * Returns the peak memory usage in bytes.
+ *
+ * @return int
+ */
+ public function getPeakMemoryUsage()
+ {
+ return isset($this->ends['pmu']) && isset($this->starts['pmu']) ? $this->ends['pmu'] - $this->starts['pmu'] : 0;
+ }
+
+ /**
+ * Starts the profiling.
+ */
+ public function enter()
+ {
+ $this->starts = array(
+ 'wt' => microtime(true),
+ 'mu' => memory_get_usage(),
+ 'pmu' => memory_get_peak_usage(),
+ );
+ }
+
+ /**
+ * Stops the profiling.
+ */
+ public function leave()
+ {
+ $this->ends = array(
+ 'wt' => microtime(true),
+ 'mu' => memory_get_usage(),
+ 'pmu' => memory_get_peak_usage(),
+ );
+ }
+
+ public function getIterator()
+ {
+ return new ArrayIterator($this->profiles);
+ }
+
+ public function serialize()
+ {
+ return serialize(array($this->template, $this->name, $this->type, $this->starts, $this->ends, $this->profiles));
+ }
+
+ public function unserialize($data)
+ {
+ list($this->template, $this->name, $this->type, $this->starts, $this->ends, $this->profiles) = unserialize($data);
+ }
+}
diff --git a/lib/Twig/RuntimeLoaderInterface.php b/lib/Twig/RuntimeLoaderInterface.php
new file mode 100644
index 0000000..c41f44a
--- /dev/null
+++ b/lib/Twig/RuntimeLoaderInterface.php
@@ -0,0 +1,27 @@
+
+ */
+interface Twig_RuntimeLoaderInterface
+{
+ /**
+ * Creates the runtime implementation of a Twig element (filter/function/test).
+ *
+ * @param string $class A runtime class
+ *
+ * @return object|null The runtime instance or null if the loader does not know how to create the runtime for this class
+ */
+ public function load($class);
+}
diff --git a/lib/Twig/Sandbox/SecurityError.php b/lib/Twig/Sandbox/SecurityError.php
new file mode 100644
index 0000000..015bfae
--- /dev/null
+++ b/lib/Twig/Sandbox/SecurityError.php
@@ -0,0 +1,19 @@
+
+ */
+class Twig_Sandbox_SecurityError extends Twig_Error
+{
+}
diff --git a/lib/Twig/Sandbox/SecurityNotAllowedFilterError.php b/lib/Twig/Sandbox/SecurityNotAllowedFilterError.php
new file mode 100644
index 0000000..99faba9
--- /dev/null
+++ b/lib/Twig/Sandbox/SecurityNotAllowedFilterError.php
@@ -0,0 +1,31 @@
+
+ */
+class Twig_Sandbox_SecurityNotAllowedFilterError extends Twig_Sandbox_SecurityError
+{
+ private $filterName;
+
+ public function __construct($message, $functionName, $lineno = -1, $filename = null, Exception $previous = null)
+ {
+ parent::__construct($message, $lineno, $filename, $previous);
+ $this->filterName = $functionName;
+ }
+
+ public function getFilterName()
+ {
+ return $this->filterName;
+ }
+}
diff --git a/lib/Twig/Sandbox/SecurityNotAllowedFunctionError.php b/lib/Twig/Sandbox/SecurityNotAllowedFunctionError.php
new file mode 100644
index 0000000..05cf488
--- /dev/null
+++ b/lib/Twig/Sandbox/SecurityNotAllowedFunctionError.php
@@ -0,0 +1,31 @@
+
+ */
+class Twig_Sandbox_SecurityNotAllowedFunctionError extends Twig_Sandbox_SecurityError
+{
+ private $functionName;
+
+ public function __construct($message, $functionName, $lineno = -1, $filename = null, Exception $previous = null)
+ {
+ parent::__construct($message, $lineno, $filename, $previous);
+ $this->functionName = $functionName;
+ }
+
+ public function getFunctionName()
+ {
+ return $this->functionName;
+ }
+}
diff --git a/lib/Twig/Sandbox/SecurityNotAllowedMethodError.php b/lib/Twig/Sandbox/SecurityNotAllowedMethodError.php
new file mode 100644
index 0000000..5b352d9
--- /dev/null
+++ b/lib/Twig/Sandbox/SecurityNotAllowedMethodError.php
@@ -0,0 +1,38 @@
+
+ */
+class Twig_Sandbox_SecurityNotAllowedMethodError extends Twig_Sandbox_SecurityError
+{
+ private $className;
+ private $methodName;
+
+ public function __construct($message, $className, $methodName, $lineno = -1, $filename = null, Exception $previous = null)
+ {
+ parent::__construct($message, $lineno, $filename, $previous);
+ $this->className = $className;
+ $this->methodName = $methodName;
+ }
+
+ public function getClassName()
+ {
+ return $this->className;
+ }
+
+ public function getMethodName()
+ {
+ return $this->methodName;
+ }
+}
diff --git a/lib/Twig/Sandbox/SecurityNotAllowedPropertyError.php b/lib/Twig/Sandbox/SecurityNotAllowedPropertyError.php
new file mode 100644
index 0000000..8b4cbc3
--- /dev/null
+++ b/lib/Twig/Sandbox/SecurityNotAllowedPropertyError.php
@@ -0,0 +1,38 @@
+
+ */
+class Twig_Sandbox_SecurityNotAllowedPropertyError extends Twig_Sandbox_SecurityError
+{
+ private $className;
+ private $propertyName;
+
+ public function __construct($message, $className, $propertyName, $lineno = -1, $filename = null, Exception $previous = null)
+ {
+ parent::__construct($message, $lineno, $filename, $previous);
+ $this->className = $className;
+ $this->propertyName = $propertyName;
+ }
+
+ public function getClassName()
+ {
+ return $this->className;
+ }
+
+ public function getPropertyName()
+ {
+ return $this->propertyName;
+ }
+}
diff --git a/lib/Twig/Sandbox/SecurityNotAllowedTagError.php b/lib/Twig/Sandbox/SecurityNotAllowedTagError.php
new file mode 100644
index 0000000..b3bb5e8
--- /dev/null
+++ b/lib/Twig/Sandbox/SecurityNotAllowedTagError.php
@@ -0,0 +1,31 @@
+
+ */
+class Twig_Sandbox_SecurityNotAllowedTagError extends Twig_Sandbox_SecurityError
+{
+ private $tagName;
+
+ public function __construct($message, $tagName, $lineno = -1, $filename = null, Exception $previous = null)
+ {
+ parent::__construct($message, $lineno, $filename, $previous);
+ $this->tagName = $tagName;
+ }
+
+ public function getTagName()
+ {
+ return $this->tagName;
+ }
+}
diff --git a/lib/Twig/Sandbox/SecurityPolicy.php b/lib/Twig/Sandbox/SecurityPolicy.php
new file mode 100644
index 0000000..6a79207
--- /dev/null
+++ b/lib/Twig/Sandbox/SecurityPolicy.php
@@ -0,0 +1,121 @@
+
+ */
+final class Twig_Sandbox_SecurityPolicy implements Twig_Sandbox_SecurityPolicyInterface
+{
+ private $allowedTags;
+ private $allowedFilters;
+ private $allowedMethods;
+ private $allowedProperties;
+ private $allowedFunctions;
+
+ public function __construct(array $allowedTags = array(), array $allowedFilters = array(), array $allowedMethods = array(), array $allowedProperties = array(), array $allowedFunctions = array())
+ {
+ $this->allowedTags = $allowedTags;
+ $this->allowedFilters = $allowedFilters;
+ $this->setAllowedMethods($allowedMethods);
+ $this->allowedProperties = $allowedProperties;
+ $this->allowedFunctions = $allowedFunctions;
+ }
+
+ public function setAllowedTags(array $tags)
+ {
+ $this->allowedTags = $tags;
+ }
+
+ public function setAllowedFilters(array $filters)
+ {
+ $this->allowedFilters = $filters;
+ }
+
+ public function setAllowedMethods(array $methods)
+ {
+ $this->allowedMethods = array();
+ foreach ($methods as $class => $m) {
+ $this->allowedMethods[$class] = array_map('strtolower', is_array($m) ? $m : array($m));
+ }
+ }
+
+ public function setAllowedProperties(array $properties)
+ {
+ $this->allowedProperties = $properties;
+ }
+
+ public function setAllowedFunctions(array $functions)
+ {
+ $this->allowedFunctions = $functions;
+ }
+
+ public function checkSecurity($tags, $filters, $functions)
+ {
+ foreach ($tags as $tag) {
+ if (!in_array($tag, $this->allowedTags)) {
+ throw new Twig_Sandbox_SecurityNotAllowedTagError(sprintf('Tag "%s" is not allowed.', $tag), $tag);
+ }
+ }
+
+ foreach ($filters as $filter) {
+ if (!in_array($filter, $this->allowedFilters)) {
+ throw new Twig_Sandbox_SecurityNotAllowedFilterError(sprintf('Filter "%s" is not allowed.', $filter), $filter);
+ }
+ }
+
+ foreach ($functions as $function) {
+ if (!in_array($function, $this->allowedFunctions)) {
+ throw new Twig_Sandbox_SecurityNotAllowedFunctionError(sprintf('Function "%s" is not allowed.', $function), $function);
+ }
+ }
+ }
+
+ public function checkMethodAllowed($obj, $method)
+ {
+ if ($obj instanceof Twig_Template || $obj instanceof Twig_Markup) {
+ return true;
+ }
+
+ $allowed = false;
+ $method = strtolower($method);
+ foreach ($this->allowedMethods as $class => $methods) {
+ if ($obj instanceof $class) {
+ $allowed = in_array($method, $methods);
+
+ break;
+ }
+ }
+
+ if (!$allowed) {
+ $class = get_class($obj);
+ throw new Twig_Sandbox_SecurityNotAllowedMethodError(sprintf('Calling "%s" method on a "%s" object is not allowed.', $method, $class), $class, $method);
+ }
+ }
+
+ public function checkPropertyAllowed($obj, $property)
+ {
+ $allowed = false;
+ foreach ($this->allowedProperties as $class => $properties) {
+ if ($obj instanceof $class) {
+ $allowed = in_array($property, is_array($properties) ? $properties : array($properties));
+
+ break;
+ }
+ }
+
+ if (!$allowed) {
+ $class = get_class($obj);
+ throw new Twig_Sandbox_SecurityNotAllowedPropertyError(sprintf('Calling "%s" property on a "%s" object is not allowed.', $property, $class), $class, $property);
+ }
+ }
+}
diff --git a/lib/Twig/Sandbox/SecurityPolicyInterface.php b/lib/Twig/Sandbox/SecurityPolicyInterface.php
new file mode 100644
index 0000000..6ab48e3
--- /dev/null
+++ b/lib/Twig/Sandbox/SecurityPolicyInterface.php
@@ -0,0 +1,24 @@
+
+ */
+interface Twig_Sandbox_SecurityPolicyInterface
+{
+ public function checkSecurity($tags, $filters, $functions);
+
+ public function checkMethodAllowed($obj, $method);
+
+ public function checkPropertyAllowed($obj, $method);
+}
diff --git a/lib/Twig/SimpleFilter.php b/lib/Twig/SimpleFilter.php
new file mode 100644
index 0000000..5b5d46e
--- /dev/null
+++ b/lib/Twig/SimpleFilter.php
@@ -0,0 +1,17 @@
+
+ */
+final class Twig_Source
+{
+ private $code;
+ private $name;
+ private $path;
+
+ /**
+ * @param string $code The template source code
+ * @param string $name The template logical name
+ * @param string $path The filesystem path of the template if any
+ */
+ public function __construct($code, $name, $path = '')
+ {
+ $this->code = $code;
+ $this->name = $name;
+ $this->path = $path;
+ }
+
+ public function getCode()
+ {
+ return $this->code;
+ }
+
+ public function getName()
+ {
+ return $this->name;
+ }
+
+ public function getPath()
+ {
+ return $this->path;
+ }
+}
diff --git a/lib/Twig/SourceContextLoaderInterface.php b/lib/Twig/SourceContextLoaderInterface.php
new file mode 100644
index 0000000..62524da
--- /dev/null
+++ b/lib/Twig/SourceContextLoaderInterface.php
@@ -0,0 +1,17 @@
+load()
+ * instead, which returns an instance of Twig_TemplateWrapper.
+ *
+ * @author Fabien Potencier
+ *
+ * @internal
+ */
+abstract class Twig_Template
+{
+ const ANY_CALL = 'any';
+ const ARRAY_CALL = 'array';
+ const METHOD_CALL = 'method';
+
+ /**
+ * @internal
+ */
+ protected static $cache = array();
+
+ protected $parent;
+ protected $parents = array();
+ protected $env;
+ protected $blocks = array();
+ protected $traits = array();
+
+ public function __construct(Twig_Environment $env)
+ {
+ $this->env = $env;
+ }
+
+ /**
+ * @internal this method will be removed in 2.0 and is only used internally to provide an upgrade path from 1.x to 2.0
+ */
+ public function __toString()
+ {
+ return $this->getTemplateName();
+ }
+
+ /**
+ * Returns the template name.
+ *
+ * @return string The template name
+ */
+ abstract public function getTemplateName();
+
+ /**
+ * Returns debug information about the template.
+ *
+ * @return array Debug information
+ *
+ * @internal
+ */
+ abstract public function getDebugInfo();
+
+ /**
+ * Returns information about the original template source code.
+ *
+ * @return Twig_Source
+ */
+ public function getSourceContext()
+ {
+ return new Twig_Source('', $this->getTemplateName());
+ }
+
+ /**
+ * Returns the parent template.
+ *
+ * This method is for internal use only and should never be called
+ * directly.
+ *
+ * @param array $context
+ *
+ * @return Twig_Template|false The parent template or false if there is no parent
+ *
+ * @internal
+ */
+ public function getParent(array $context)
+ {
+ if (null !== $this->parent) {
+ return $this->parent;
+ }
+
+ try {
+ $parent = $this->doGetParent($context);
+
+ if (false === $parent) {
+ return false;
+ }
+
+ if ($parent instanceof self) {
+ return $this->parents[$parent->getTemplateName()] = $parent;
+ }
+
+ if (!isset($this->parents[$parent])) {
+ $this->parents[$parent] = $this->loadTemplate($parent);
+ }
+ } catch (Twig_Error_Loader $e) {
+ $e->setSourceContext(null);
+ $e->guess();
+
+ throw $e;
+ }
+
+ return $this->parents[$parent];
+ }
+
+ protected function doGetParent(array $context)
+ {
+ return false;
+ }
+
+ public function isTraitable()
+ {
+ return true;
+ }
+
+ /**
+ * Displays a parent block.
+ *
+ * This method is for internal use only and should never be called
+ * directly.
+ *
+ * @param string $name The block name to display from the parent
+ * @param array $context The context
+ * @param array $blocks The current set of blocks
+ *
+ * @internal
+ */
+ public function displayParentBlock($name, array $context, array $blocks = array())
+ {
+ if (isset($this->traits[$name])) {
+ $this->traits[$name][0]->displayBlock($name, $context, $blocks, false);
+ } elseif (false !== $parent = $this->getParent($context)) {
+ $parent->displayBlock($name, $context, $blocks, false);
+ } else {
+ throw new Twig_Error_Runtime(sprintf('The template has no parent and no traits defining the "%s" block.', $name), -1, $this->getSourceContext());
+ }
+ }
+
+ /**
+ * Displays a block.
+ *
+ * This method is for internal use only and should never be called
+ * directly.
+ *
+ * @param string $name The block name to display
+ * @param array $context The context
+ * @param array $blocks The current set of blocks
+ * @param bool $useBlocks Whether to use the current set of blocks
+ *
+ * @internal
+ */
+ public function displayBlock($name, array $context, array $blocks = array(), $useBlocks = true)
+ {
+ if ($useBlocks && isset($blocks[$name])) {
+ $template = $blocks[$name][0];
+ $block = $blocks[$name][1];
+ } elseif (isset($this->blocks[$name])) {
+ $template = $this->blocks[$name][0];
+ $block = $this->blocks[$name][1];
+ } else {
+ $template = null;
+ $block = null;
+ }
+
+ // avoid RCEs when sandbox is enabled
+ if (null !== $template && !$template instanceof self) {
+ throw new LogicException('A block must be a method on a Twig_Template instance.');
+ }
+
+ if (null !== $template) {
+ try {
+ $template->$block($context, $blocks);
+ } catch (Twig_Error $e) {
+ if (!$e->getSourceContext()) {
+ $e->setSourceContext($template->getSourceContext());
+ }
+
+ // this is mostly useful for Twig_Error_Loader exceptions
+ // see Twig_Error_Loader
+ if (false === $e->getTemplateLine()) {
+ $e->setTemplateLine(-1);
+ $e->guess();
+ }
+
+ throw $e;
+ } catch (Exception $e) {
+ throw new Twig_Error_Runtime(sprintf('An exception has been thrown during the rendering of a template ("%s").', $e->getMessage()), -1, $template->getSourceContext(), $e);
+ }
+ } elseif (false !== $parent = $this->getParent($context)) {
+ $parent->displayBlock($name, $context, array_merge($this->blocks, $blocks), false);
+ } else {
+ throw new Twig_Error_Runtime(sprintf('Block "%s" on template "%s" does not exist.', $name, $this->getTemplateName()), -1, $this->getTemplateName());
+ }
+ }
+
+ /**
+ * Renders a parent block.
+ *
+ * This method is for internal use only and should never be called
+ * directly.
+ *
+ * @param string $name The block name to render from the parent
+ * @param array $context The context
+ * @param array $blocks The current set of blocks
+ *
+ * @return string The rendered block
+ *
+ * @internal
+ */
+ public function renderParentBlock($name, array $context, array $blocks = array())
+ {
+ ob_start();
+ $this->displayParentBlock($name, $context, $blocks);
+
+ return ob_get_clean();
+ }
+
+ /**
+ * Renders a block.
+ *
+ * This method is for internal use only and should never be called
+ * directly.
+ *
+ * @param string $name The block name to render
+ * @param array $context The context
+ * @param array $blocks The current set of blocks
+ * @param bool $useBlocks Whether to use the current set of blocks
+ *
+ * @return string The rendered block
+ *
+ * @internal
+ */
+ public function renderBlock($name, array $context, array $blocks = array(), $useBlocks = true)
+ {
+ ob_start();
+ $this->displayBlock($name, $context, $blocks, $useBlocks);
+
+ return ob_get_clean();
+ }
+
+ /**
+ * Returns whether a block exists or not in the current context of the template.
+ *
+ * This method checks blocks defined in the current template
+ * or defined in "used" traits or defined in parent templates.
+ *
+ * @param string $name The block name
+ * @param array $context The context
+ * @param array $blocks The current set of blocks
+ *
+ * @return bool true if the block exists, false otherwise
+ *
+ * @internal
+ */
+ public function hasBlock($name, array $context, array $blocks = array())
+ {
+ if (isset($blocks[$name])) {
+ return $blocks[$name][0] instanceof self;
+ }
+
+ if (isset($this->blocks[$name])) {
+ return true;
+ }
+
+ if (false !== $parent = $this->getParent($context)) {
+ return $parent->hasBlock($name, $context);
+ }
+
+ return false;
+ }
+
+ /**
+ * Returns all block names in the current context of the template.
+ *
+ * This method checks blocks defined in the current template
+ * or defined in "used" traits or defined in parent templates.
+ *
+ * @param array $context The context
+ * @param array $blocks The current set of blocks
+ *
+ * @return array An array of block names
+ *
+ * @internal
+ */
+ public function getBlockNames(array $context, array $blocks = array())
+ {
+ $names = array_merge(array_keys($blocks), array_keys($this->blocks));
+
+ if (false !== $parent = $this->getParent($context)) {
+ $names = array_merge($names, $parent->getBlockNames($context));
+ }
+
+ return array_unique($names);
+ }
+
+ protected function loadTemplate($template, $templateName = null, $line = null, $index = null)
+ {
+ try {
+ if (is_array($template)) {
+ return $this->env->resolveTemplate($template);
+ }
+
+ if ($template instanceof self) {
+ return $template;
+ }
+
+ if ($template instanceof Twig_TemplateWrapper) {
+ return $template;
+ }
+
+ return $this->env->loadTemplate($template, $index);
+ } catch (Twig_Error $e) {
+ if (!$e->getSourceContext()) {
+ $e->setSourceContext($templateName ? new Twig_Source('', $templateName) : $this->getSourceContext());
+ }
+
+ if ($e->getTemplateLine()) {
+ throw $e;
+ }
+
+ if (!$line) {
+ $e->guess();
+ } else {
+ $e->setTemplateLine($line);
+ }
+
+ throw $e;
+ }
+ }
+
+ /**
+ * Returns all blocks.
+ *
+ * This method is for internal use only and should never be called
+ * directly.
+ *
+ * @return array An array of blocks
+ *
+ * @internal
+ */
+ public function getBlocks()
+ {
+ return $this->blocks;
+ }
+
+ public function display(array $context, array $blocks = array())
+ {
+ $this->displayWithErrorHandling($this->env->mergeGlobals($context), array_merge($this->blocks, $blocks));
+ }
+
+ public function render(array $context)
+ {
+ $level = ob_get_level();
+ ob_start();
+ try {
+ $this->display($context);
+ } catch (Exception $e) {
+ while (ob_get_level() > $level) {
+ ob_end_clean();
+ }
+
+ throw $e;
+ } catch (Throwable $e) {
+ while (ob_get_level() > $level) {
+ ob_end_clean();
+ }
+
+ throw $e;
+ }
+
+ return ob_get_clean();
+ }
+
+ protected function displayWithErrorHandling(array $context, array $blocks = array())
+ {
+ try {
+ $this->doDisplay($context, $blocks);
+ } catch (Twig_Error $e) {
+ if (!$e->getSourceContext()) {
+ $e->setSourceContext($this->getSourceContext());
+ }
+
+ // this is mostly useful for Twig_Error_Loader exceptions
+ // see Twig_Error_Loader
+ if (false === $e->getTemplateLine()) {
+ $e->setTemplateLine(-1);
+ $e->guess();
+ }
+
+ throw $e;
+ } catch (Exception $e) {
+ throw new Twig_Error_Runtime(sprintf('An exception has been thrown during the rendering of a template ("%s").', $e->getMessage()), -1, $this->getSourceContext(), $e);
+ }
+ }
+
+ /**
+ * Auto-generated method to display the template with the given context.
+ *
+ * @param array $context An array of parameters to pass to the template
+ * @param array $blocks An array of blocks to pass to the template
+ */
+ abstract protected function doDisplay(array $context, array $blocks = array());
+}
diff --git a/lib/Twig/TemplateWrapper.php b/lib/Twig/TemplateWrapper.php
new file mode 100644
index 0000000..b72b92c
--- /dev/null
+++ b/lib/Twig/TemplateWrapper.php
@@ -0,0 +1,131 @@
+
+ */
+final class Twig_TemplateWrapper
+{
+ private $env;
+ private $template;
+
+ /**
+ * This method is for internal use only and should never be called
+ * directly (use Twig_Environment::load() instead).
+ *
+ * @internal
+ */
+ public function __construct(Twig_Environment $env, Twig_Template $template)
+ {
+ $this->env = $env;
+ $this->template = $template;
+ }
+
+ /**
+ * Renders the template.
+ *
+ * @param array $context An array of parameters to pass to the template
+ *
+ * @return string The rendered template
+ */
+ public function render($context = array())
+ {
+ return $this->template->render($context);
+ }
+
+ /**
+ * Displays the template.
+ *
+ * @param array $context An array of parameters to pass to the template
+ */
+ public function display($context = array())
+ {
+ $this->template->display($context);
+ }
+
+ /**
+ * Checks if a block is defined.
+ *
+ * @param string $name The block name
+ * @param array $context An array of parameters to pass to the template
+ *
+ * @return bool
+ */
+ public function hasBlock($name, $context = array())
+ {
+ return $this->template->hasBlock($name, $context);
+ }
+
+ /**
+ * Returns defined block names in the template.
+ *
+ * @param array $context An array of parameters to pass to the template
+ *
+ * @return string[] An array of defined template block names
+ */
+ public function getBlockNames($context = array())
+ {
+ return $this->template->getBlockNames($context);
+ }
+
+ /**
+ * Renders a template block.
+ *
+ * @param string $name The block name to render
+ * @param array $context An array of parameters to pass to the template
+ *
+ * @return string The rendered block
+ */
+ public function renderBlock($name, $context = array())
+ {
+ $context = $this->env->mergeGlobals($context);
+ $level = ob_get_level();
+ ob_start();
+ try {
+ $this->template->displayBlock($name, $context);
+ } catch (Exception $e) {
+ while (ob_get_level() > $level) {
+ ob_end_clean();
+ }
+
+ throw $e;
+ } catch (Throwable $e) {
+ while (ob_get_level() > $level) {
+ ob_end_clean();
+ }
+
+ throw $e;
+ }
+
+ return ob_get_clean();
+ }
+
+ /**
+ * Displays a template block.
+ *
+ * @param string $name The block name to render
+ * @param array $context An array of parameters to pass to the template
+ */
+ public function displayBlock($name, $context = array())
+ {
+ $this->template->displayBlock($name, $this->env->mergeGlobals($context));
+ }
+
+ /**
+ * @return Twig_Source
+ */
+ public function getSourceContext()
+ {
+ return $this->template->getSourceContext();
+ }
+}
diff --git a/lib/Twig/Test.php b/lib/Twig/Test.php
new file mode 100644
index 0000000..109ad1a
--- /dev/null
+++ b/lib/Twig/Test.php
@@ -0,0 +1,85 @@
+
+ *
+ * @see http://twig.sensiolabs.org/doc/templates.html#test-operator
+ */
+class Twig_Test
+{
+ private $name;
+ private $callable;
+ private $options;
+
+ /**
+ * Creates a template test.
+ *
+ * @param string $name Name of this test
+ * @param callable|null $callable A callable implementing the test. If null, you need to overwrite the "node_class" option to customize compilation.
+ * @param array $options Options array
+ */
+ public function __construct($name, $callable = null, array $options = array())
+ {
+ $this->name = $name;
+ $this->callable = $callable;
+ $this->options = array_merge(array(
+ 'is_variadic' => false,
+ 'node_class' => 'Twig_Node_Expression_Test',
+ 'deprecated' => false,
+ 'alternative' => null,
+ ), $options);
+ }
+
+ public function getName()
+ {
+ return $this->name;
+ }
+
+ /**
+ * Returns the callable to execute for this test.
+ *
+ * @return callable|null
+ */
+ public function getCallable()
+ {
+ return $this->callable;
+ }
+
+ public function getNodeClass()
+ {
+ return $this->options['node_class'];
+ }
+
+ public function isVariadic()
+ {
+ return $this->options['is_variadic'];
+ }
+
+ public function isDeprecated()
+ {
+ return (bool) $this->options['deprecated'];
+ }
+
+ public function getDeprecatedVersion()
+ {
+ return $this->options['deprecated'];
+ }
+
+ public function getAlternative()
+ {
+ return $this->options['alternative'];
+ }
+}
diff --git a/lib/Twig/Test/IntegrationTestCase.php b/lib/Twig/Test/IntegrationTestCase.php
new file mode 100644
index 0000000..36a178e
--- /dev/null
+++ b/lib/Twig/Test/IntegrationTestCase.php
@@ -0,0 +1,219 @@
+
+ * @author Karma Dordrak
+ */
+abstract class Twig_Test_IntegrationTestCase extends PHPUnit_Framework_TestCase
+{
+ /**
+ * @return string
+ */
+ abstract protected function getFixturesDir();
+
+ /**
+ * @return Twig_ExtensionInterface[]
+ */
+ protected function getExtensions()
+ {
+ return array();
+ }
+
+ /**
+ * @return Twig_Filter[]
+ */
+ protected function getTwigFilters()
+ {
+ return array();
+ }
+
+ /**
+ * @return Twig_Function[]
+ */
+ protected function getTwigFunctions()
+ {
+ return array();
+ }
+
+ /**
+ * @return Twig_Test[]
+ */
+ protected function getTwigTests()
+ {
+ return array();
+ }
+
+ /**
+ * @dataProvider getTests
+ */
+ public function testIntegration($file, $message, $condition, $templates, $exception, $outputs)
+ {
+ $this->doIntegrationTest($file, $message, $condition, $templates, $exception, $outputs);
+ }
+
+ /**
+ * @dataProvider getLegacyTests
+ * @group legacy
+ */
+ public function testLegacyIntegration($file, $message, $condition, $templates, $exception, $outputs)
+ {
+ $this->doIntegrationTest($file, $message, $condition, $templates, $exception, $outputs);
+ }
+
+ public function getTests($name, $legacyTests = false)
+ {
+ $fixturesDir = realpath($this->getFixturesDir());
+ $tests = array();
+
+ foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($fixturesDir), RecursiveIteratorIterator::LEAVES_ONLY) as $file) {
+ if (!preg_match('/\.test$/', $file)) {
+ continue;
+ }
+
+ if ($legacyTests xor false !== strpos($file->getRealpath(), '.legacy.test')) {
+ continue;
+ }
+
+ $test = file_get_contents($file->getRealpath());
+
+ if (preg_match('/--TEST--\s*(.*?)\s*(?:--CONDITION--\s*(.*))?\s*((?:--TEMPLATE(?:\(.*?\))?--(?:.*?))+)\s*(?:--DATA--\s*(.*))?\s*--EXCEPTION--\s*(.*)/sx', $test, $match)) {
+ $message = $match[1];
+ $condition = $match[2];
+ $templates = self::parseTemplates($match[3]);
+ $exception = $match[5];
+ $outputs = array(array(null, $match[4], null, ''));
+ } elseif (preg_match('/--TEST--\s*(.*?)\s*(?:--CONDITION--\s*(.*))?\s*((?:--TEMPLATE(?:\(.*?\))?--(?:.*?))+)--DATA--.*?--EXPECT--.*/s', $test, $match)) {
+ $message = $match[1];
+ $condition = $match[2];
+ $templates = self::parseTemplates($match[3]);
+ $exception = false;
+ preg_match_all('/--DATA--(.*?)(?:--CONFIG--(.*?))?--EXPECT--(.*?)(?=\-\-DATA\-\-|$)/s', $test, $outputs, PREG_SET_ORDER);
+ } else {
+ throw new InvalidArgumentException(sprintf('Test "%s" is not valid.', str_replace($fixturesDir.'/', '', $file)));
+ }
+
+ $tests[] = array(str_replace($fixturesDir.'/', '', $file), $message, $condition, $templates, $exception, $outputs);
+ }
+
+ if ($legacyTests && empty($tests)) {
+ // add a dummy test to avoid a PHPUnit message
+ return array(array('not', '-', '', array(), '', array()));
+ }
+
+ return $tests;
+ }
+
+ public function getLegacyTests()
+ {
+ return $this->getTests('testLegacyIntegration', true);
+ }
+
+ protected function doIntegrationTest($file, $message, $condition, $templates, $exception, $outputs)
+ {
+ if ($condition) {
+ eval('$ret = '.$condition.';');
+ if (!$ret) {
+ $this->markTestSkipped($condition);
+ }
+ }
+
+ $loader = new Twig_Loader_Array($templates);
+
+ foreach ($outputs as $i => $match) {
+ $config = array_merge(array(
+ 'cache' => false,
+ 'strict_variables' => true,
+ ), $match[2] ? eval($match[2].';') : array());
+ $twig = new Twig_Environment($loader, $config);
+ $twig->addGlobal('global', 'global');
+ foreach ($this->getExtensions() as $extension) {
+ $twig->addExtension($extension);
+ }
+
+ foreach ($this->getTwigFilters() as $filter) {
+ $twig->addFilter($filter);
+ }
+
+ foreach ($this->getTwigTests() as $test) {
+ $twig->addTest($test);
+ }
+
+ foreach ($this->getTwigFunctions() as $function) {
+ $twig->addFunction($function);
+ }
+
+ // avoid using the same PHP class name for different cases
+ $p = new ReflectionProperty($twig, 'templateClassPrefix');
+ $p->setAccessible(true);
+ $p->setValue($twig, '__TwigTemplate_'.hash('sha256', uniqid(mt_rand(), true), false).'_');
+
+ try {
+ $template = $twig->loadTemplate('index.twig');
+ } catch (Exception $e) {
+ if (false !== $exception) {
+ $message = $e->getMessage();
+ $this->assertSame(trim($exception), trim(sprintf('%s: %s', get_class($e), $message)));
+ $last = substr($message, strlen($message) - 1);
+ $this->assertTrue('.' === $last || '?' === $last, $message, 'Exception message must end with a dot or a question mark.');
+
+ return;
+ }
+
+ throw new Twig_Error(sprintf('%s: %s', get_class($e), $e->getMessage()), -1, $file, $e);
+ }
+
+ try {
+ $output = trim($template->render(eval($match[1].';')), "\n ");
+ } catch (Exception $e) {
+ if (false !== $exception) {
+ $this->assertSame(trim($exception), trim(sprintf('%s: %s', get_class($e), $e->getMessage())));
+
+ return;
+ }
+
+ $e = new Twig_Error(sprintf('%s: %s', get_class($e), $e->getMessage()), -1, $file, $e);
+
+ $output = trim(sprintf('%s: %s', get_class($e), $e->getMessage()));
+ }
+
+ if (false !== $exception) {
+ list($class) = explode(':', $exception);
+ $this->assertThat(null, new PHPUnit_Framework_Constraint_Exception($class));
+ }
+
+ $expected = trim($match[3], "\n ");
+
+ if ($expected !== $output) {
+ printf("Compiled templates that failed on case %d:\n", $i + 1);
+
+ foreach (array_keys($templates) as $name) {
+ echo "Template: $name\n";
+ echo $twig->compile($twig->parse($twig->tokenize($twig->getLoader()->getSourceContext($name))));
+ }
+ }
+ $this->assertEquals($expected, $output, $message.' (in '.$file.')');
+ }
+ }
+
+ protected static function parseTemplates($test)
+ {
+ $templates = array();
+ preg_match_all('/--TEMPLATE(?:\((.*?)\))?--(.*?)(?=\-\-TEMPLATE|$)/s', $test, $matches, PREG_SET_ORDER);
+ foreach ($matches as $match) {
+ $templates[($match[1] ? $match[1] : 'index.twig')] = $match[2];
+ }
+
+ return $templates;
+ }
+}
diff --git a/lib/Twig/Test/NodeTestCase.php b/lib/Twig/Test/NodeTestCase.php
new file mode 100644
index 0000000..53334f1
--- /dev/null
+++ b/lib/Twig/Test/NodeTestCase.php
@@ -0,0 +1,60 @@
+assertNodeCompilation($source, $node, $environment, $isPattern);
+ }
+
+ public function assertNodeCompilation($source, Twig_Node $node, Twig_Environment $environment = null, $isPattern = false)
+ {
+ $compiler = $this->getCompiler($environment);
+ $compiler->compile($node);
+
+ if ($isPattern) {
+ $this->assertStringMatchesFormat($source, trim($compiler->getSource()));
+ } else {
+ $this->assertEquals($source, trim($compiler->getSource()));
+ }
+ }
+
+ protected function getCompiler(Twig_Environment $environment = null)
+ {
+ return new Twig_Compiler(null === $environment ? $this->getEnvironment() : $environment);
+ }
+
+ protected function getEnvironment()
+ {
+ return new Twig_Environment(new Twig_Loader_Array(array()));
+ }
+
+ protected function getVariableGetter($name, $line = false)
+ {
+ $line = $line > 0 ? "// line {$line}\n" : '';
+
+ if (PHP_VERSION_ID >= 70000) {
+ return sprintf('%s($context["%s"] ?? null)', $line, $name, $name);
+ }
+
+ return sprintf('%s(isset($context["%s"]) ? $context["%s"] : null)', $line, $name, $name);
+ }
+
+ protected function getAttributeGetter()
+ {
+ return 'twig_get_attribute($this->env, $this->getSourceContext(), ';
+ }
+}
diff --git a/lib/Twig/Token.php b/lib/Twig/Token.php
new file mode 100644
index 0000000..15e4098
--- /dev/null
+++ b/lib/Twig/Token.php
@@ -0,0 +1,203 @@
+
+ */
+final class Twig_Token
+{
+ private $value;
+ private $type;
+ private $lineno;
+
+ const EOF_TYPE = -1;
+ const TEXT_TYPE = 0;
+ const BLOCK_START_TYPE = 1;
+ const VAR_START_TYPE = 2;
+ const BLOCK_END_TYPE = 3;
+ const VAR_END_TYPE = 4;
+ const NAME_TYPE = 5;
+ const NUMBER_TYPE = 6;
+ const STRING_TYPE = 7;
+ const OPERATOR_TYPE = 8;
+ const PUNCTUATION_TYPE = 9;
+ const INTERPOLATION_START_TYPE = 10;
+ const INTERPOLATION_END_TYPE = 11;
+
+ /**
+ * @param int $type The type of the token
+ * @param string $value The token value
+ * @param int $lineno The line position in the source
+ */
+ public function __construct($type, $value, $lineno)
+ {
+ $this->type = $type;
+ $this->value = $value;
+ $this->lineno = $lineno;
+ }
+
+ public function __toString()
+ {
+ return sprintf('%s(%s)', self::typeToString($this->type, true), $this->value);
+ }
+
+ /**
+ * Tests the current token for a type and/or a value.
+ *
+ * Parameters may be:
+ * * just type
+ * * type and value (or array of possible values)
+ * * just value (or array of possible values) (NAME_TYPE is used as type)
+ *
+ * @param array|int $type The type to test
+ * @param array|string|null $values The token value
+ *
+ * @return bool
+ */
+ public function test($type, $values = null)
+ {
+ if (null === $values && !is_int($type)) {
+ $values = $type;
+ $type = self::NAME_TYPE;
+ }
+
+ return ($this->type === $type) && (
+ null === $values ||
+ (is_array($values) && in_array($this->value, $values)) ||
+ $this->value == $values
+ );
+ }
+
+ /**
+ * @return int
+ */
+ public function getLine()
+ {
+ return $this->lineno;
+ }
+
+ /**
+ * @return int
+ */
+ public function getType()
+ {
+ return $this->type;
+ }
+
+ /**
+ * @return string
+ */
+ public function getValue()
+ {
+ return $this->value;
+ }
+
+ /**
+ * Returns the constant representation (internal) of a given type.
+ *
+ * @param int $type The type as an integer
+ * @param bool $short Whether to return a short representation or not
+ *
+ * @return string The string representation
+ */
+ public static function typeToString($type, $short = false)
+ {
+ switch ($type) {
+ case self::EOF_TYPE:
+ $name = 'EOF_TYPE';
+ break;
+ case self::TEXT_TYPE:
+ $name = 'TEXT_TYPE';
+ break;
+ case self::BLOCK_START_TYPE:
+ $name = 'BLOCK_START_TYPE';
+ break;
+ case self::VAR_START_TYPE:
+ $name = 'VAR_START_TYPE';
+ break;
+ case self::BLOCK_END_TYPE:
+ $name = 'BLOCK_END_TYPE';
+ break;
+ case self::VAR_END_TYPE:
+ $name = 'VAR_END_TYPE';
+ break;
+ case self::NAME_TYPE:
+ $name = 'NAME_TYPE';
+ break;
+ case self::NUMBER_TYPE:
+ $name = 'NUMBER_TYPE';
+ break;
+ case self::STRING_TYPE:
+ $name = 'STRING_TYPE';
+ break;
+ case self::OPERATOR_TYPE:
+ $name = 'OPERATOR_TYPE';
+ break;
+ case self::PUNCTUATION_TYPE:
+ $name = 'PUNCTUATION_TYPE';
+ break;
+ case self::INTERPOLATION_START_TYPE:
+ $name = 'INTERPOLATION_START_TYPE';
+ break;
+ case self::INTERPOLATION_END_TYPE:
+ $name = 'INTERPOLATION_END_TYPE';
+ break;
+ default:
+ throw new LogicException(sprintf('Token of type "%s" does not exist.', $type));
+ }
+
+ return $short ? $name : 'Twig_Token::'.$name;
+ }
+
+ /**
+ * Returns the English representation of a given type.
+ *
+ * @param int $type The type as an integer
+ *
+ * @return string The string representation
+ */
+ public static function typeToEnglish($type)
+ {
+ switch ($type) {
+ case self::EOF_TYPE:
+ return 'end of template';
+ case self::TEXT_TYPE:
+ return 'text';
+ case self::BLOCK_START_TYPE:
+ return 'begin of statement block';
+ case self::VAR_START_TYPE:
+ return 'begin of print statement';
+ case self::BLOCK_END_TYPE:
+ return 'end of statement block';
+ case self::VAR_END_TYPE:
+ return 'end of print statement';
+ case self::NAME_TYPE:
+ return 'name';
+ case self::NUMBER_TYPE:
+ return 'number';
+ case self::STRING_TYPE:
+ return 'string';
+ case self::OPERATOR_TYPE:
+ return 'operator';
+ case self::PUNCTUATION_TYPE:
+ return 'punctuation';
+ case self::INTERPOLATION_START_TYPE:
+ return 'begin of string interpolation';
+ case self::INTERPOLATION_END_TYPE:
+ return 'end of string interpolation';
+ default:
+ throw new LogicException(sprintf('Token of type "%s" does not exist.', $type));
+ }
+ }
+}
diff --git a/lib/Twig/TokenParser.php b/lib/Twig/TokenParser.php
new file mode 100644
index 0000000..56d074b
--- /dev/null
+++ b/lib/Twig/TokenParser.php
@@ -0,0 +1,31 @@
+
+ */
+abstract class Twig_TokenParser implements Twig_TokenParserInterface
+{
+ /**
+ * @var Twig_Parser
+ */
+ protected $parser;
+
+ /**
+ * Sets the parser associated with this token parser.
+ */
+ public function setParser(Twig_Parser $parser)
+ {
+ $this->parser = $parser;
+ }
+}
diff --git a/lib/Twig/TokenParser/AutoEscape.php b/lib/Twig/TokenParser/AutoEscape.php
new file mode 100644
index 0000000..c69d73c
--- /dev/null
+++ b/lib/Twig/TokenParser/AutoEscape.php
@@ -0,0 +1,48 @@
+getLine();
+ $stream = $this->parser->getStream();
+
+ if ($stream->test(Twig_Token::BLOCK_END_TYPE)) {
+ $value = 'html';
+ } else {
+ $expr = $this->parser->getExpressionParser()->parseExpression();
+ if (!$expr instanceof Twig_Node_Expression_Constant) {
+ throw new Twig_Error_Syntax('An escaping strategy must be a string or false.', $stream->getCurrent()->getLine(), $stream->getSourceContext());
+ }
+ $value = $expr->getAttribute('value');
+ }
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_AutoEscape($value, $body, $lineno, $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endautoescape');
+ }
+
+ public function getTag()
+ {
+ return 'autoescape';
+ }
+}
diff --git a/lib/Twig/TokenParser/Block.php b/lib/Twig/TokenParser/Block.php
new file mode 100644
index 0000000..1ae9a9c
--- /dev/null
+++ b/lib/Twig/TokenParser/Block.php
@@ -0,0 +1,69 @@
+
+ * {% block head %}
+ *
+ * {% block title %}{% endblock %} - My Webpage
+ * {% endblock %}
+ *
+ */
+final class Twig_TokenParser_Block extends Twig_TokenParser
+{
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+ $stream = $this->parser->getStream();
+ $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+ if ($this->parser->hasBlock($name)) {
+ throw new Twig_Error_Syntax(sprintf("The block '%s' has already been defined line %d.", $name, $this->parser->getBlock($name)->getTemplateLine()), $stream->getCurrent()->getLine(), $stream->getSourceContext());
+ }
+ $this->parser->setBlock($name, $block = new Twig_Node_Block($name, new Twig_Node(array()), $lineno));
+ $this->parser->pushLocalScope();
+ $this->parser->pushBlockStack($name);
+
+ if ($stream->nextIf(Twig_Token::BLOCK_END_TYPE)) {
+ $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ if ($token = $stream->nextIf(Twig_Token::NAME_TYPE)) {
+ $value = $token->getValue();
+
+ if ($value != $name) {
+ throw new Twig_Error_Syntax(sprintf('Expected endblock for block "%s" (but "%s" given).', $name, $value), $stream->getCurrent()->getLine(), $stream->getSourceContext());
+ }
+ }
+ } else {
+ $body = new Twig_Node(array(
+ new Twig_Node_Print($this->parser->getExpressionParser()->parseExpression(), $lineno),
+ ));
+ }
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $block->setNode('body', $body);
+ $this->parser->popBlockStack();
+ $this->parser->popLocalScope();
+
+ return new Twig_Node_BlockReference($name, $lineno, $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endblock');
+ }
+
+ public function getTag()
+ {
+ return 'block';
+ }
+}
diff --git a/lib/Twig/TokenParser/Do.php b/lib/Twig/TokenParser/Do.php
new file mode 100644
index 0000000..987e77e
--- /dev/null
+++ b/lib/Twig/TokenParser/Do.php
@@ -0,0 +1,30 @@
+parser->getExpressionParser()->parseExpression();
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_Do($expr, $token->getLine(), $this->getTag());
+ }
+
+ public function getTag()
+ {
+ return 'do';
+ }
+}
diff --git a/lib/Twig/TokenParser/Embed.php b/lib/Twig/TokenParser/Embed.php
new file mode 100644
index 0000000..44b3506
--- /dev/null
+++ b/lib/Twig/TokenParser/Embed.php
@@ -0,0 +1,63 @@
+parser->getStream();
+
+ $parent = $this->parser->getExpressionParser()->parseExpression();
+
+ list($variables, $only, $ignoreMissing) = $this->parseArguments();
+
+ $parentToken = $fakeParentToken = new Twig_Token(Twig_Token::STRING_TYPE, '__parent__', $token->getLine());
+ if ($parent instanceof Twig_Node_Expression_Constant) {
+ $parentToken = new Twig_Token(Twig_Token::STRING_TYPE, $parent->getAttribute('value'), $token->getLine());
+ } elseif ($parent instanceof Twig_Node_Expression_Name) {
+ $parentToken = new Twig_Token(Twig_Token::NAME_TYPE, $parent->getAttribute('name'), $token->getLine());
+ }
+
+ // inject a fake parent to make the parent() function work
+ $stream->injectTokens(array(
+ new Twig_Token(Twig_Token::BLOCK_START_TYPE, '', $token->getLine()),
+ new Twig_Token(Twig_Token::NAME_TYPE, 'extends', $token->getLine()),
+ $parentToken,
+ new Twig_Token(Twig_Token::BLOCK_END_TYPE, '', $token->getLine()),
+ ));
+
+ $module = $this->parser->parse($stream, array($this, 'decideBlockEnd'), true);
+
+ // override the parent with the correct one
+ if ($fakeParentToken === $parentToken) {
+ $module->setNode('parent', $parent);
+ }
+
+ $this->parser->embedTemplate($module);
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_Embed($module->getTemplateName(), $module->getAttribute('index'), $variables, $only, $ignoreMissing, $token->getLine(), $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endembed');
+ }
+
+ public function getTag()
+ {
+ return 'embed';
+ }
+}
diff --git a/lib/Twig/TokenParser/Extends.php b/lib/Twig/TokenParser/Extends.php
new file mode 100644
index 0000000..ef5ae38
--- /dev/null
+++ b/lib/Twig/TokenParser/Extends.php
@@ -0,0 +1,42 @@
+
+ * {% extends "base.html" %}
+ *
+ */
+final class Twig_TokenParser_Extends extends Twig_TokenParser
+{
+ public function parse(Twig_Token $token)
+ {
+ $stream = $this->parser->getStream();
+
+ if (!$this->parser->isMainScope()) {
+ throw new Twig_Error_Syntax('Cannot extend from a block.', $token->getLine(), $stream->getSourceContext());
+ }
+
+ if (null !== $this->parser->getParent()) {
+ throw new Twig_Error_Syntax('Multiple extends tags are forbidden.', $token->getLine(), $stream->getSourceContext());
+ }
+ $this->parser->setParent($this->parser->getExpressionParser()->parseExpression());
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+ }
+
+ public function getTag()
+ {
+ return 'extends';
+ }
+}
diff --git a/lib/Twig/TokenParser/Filter.php b/lib/Twig/TokenParser/Filter.php
new file mode 100644
index 0000000..f9ab7ef
--- /dev/null
+++ b/lib/Twig/TokenParser/Filter.php
@@ -0,0 +1,49 @@
+
+ * {% filter upper %}
+ * This text becomes uppercase
+ * {% endfilter %}
+ *
+ */
+final class Twig_TokenParser_Filter extends Twig_TokenParser
+{
+ public function parse(Twig_Token $token)
+ {
+ $name = $this->parser->getVarName();
+ $ref = new Twig_Node_Expression_BlockReference(new Twig_Node_Expression_Constant($name, $token->getLine()), null, $token->getLine(), $this->getTag());
+
+ $filter = $this->parser->getExpressionParser()->parseFilterExpressionRaw($ref, $this->getTag());
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $block = new Twig_Node_Block($name, $body, $token->getLine());
+ $this->parser->setBlock($name, $block);
+
+ return new Twig_Node_Print($filter, $token->getLine(), $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endfilter');
+ }
+
+ public function getTag()
+ {
+ return 'filter';
+ }
+}
diff --git a/lib/Twig/TokenParser/Flush.php b/lib/Twig/TokenParser/Flush.php
new file mode 100644
index 0000000..bdebe59
--- /dev/null
+++ b/lib/Twig/TokenParser/Flush.php
@@ -0,0 +1,30 @@
+parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_Flush($token->getLine(), $this->getTag());
+ }
+
+ public function getTag()
+ {
+ return 'flush';
+ }
+}
diff --git a/lib/Twig/TokenParser/For.php b/lib/Twig/TokenParser/For.php
new file mode 100644
index 0000000..bf1f88c
--- /dev/null
+++ b/lib/Twig/TokenParser/For.php
@@ -0,0 +1,123 @@
+
+ *
+ * {% for user in users %}
+ * - {{ user.username|e }}
+ * {% endfor %}
+ *
+ *
+ */
+final class Twig_TokenParser_For extends Twig_TokenParser
+{
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+ $stream = $this->parser->getStream();
+ $targets = $this->parser->getExpressionParser()->parseAssignmentExpression();
+ $stream->expect(Twig_Token::OPERATOR_TYPE, 'in');
+ $seq = $this->parser->getExpressionParser()->parseExpression();
+
+ $ifexpr = null;
+ if ($stream->nextIf(Twig_Token::NAME_TYPE, 'if')) {
+ $ifexpr = $this->parser->getExpressionParser()->parseExpression();
+ }
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideForFork'));
+ if ($stream->next()->getValue() == 'else') {
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+ $else = $this->parser->subparse(array($this, 'decideForEnd'), true);
+ } else {
+ $else = null;
+ }
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ if (count($targets) > 1) {
+ $keyTarget = $targets->getNode(0);
+ $keyTarget = new Twig_Node_Expression_AssignName($keyTarget->getAttribute('name'), $keyTarget->getTemplateLine());
+ $valueTarget = $targets->getNode(1);
+ $valueTarget = new Twig_Node_Expression_AssignName($valueTarget->getAttribute('name'), $valueTarget->getTemplateLine());
+ } else {
+ $keyTarget = new Twig_Node_Expression_AssignName('_key', $lineno);
+ $valueTarget = $targets->getNode(0);
+ $valueTarget = new Twig_Node_Expression_AssignName($valueTarget->getAttribute('name'), $valueTarget->getTemplateLine());
+ }
+
+ if ($ifexpr) {
+ $this->checkLoopUsageCondition($stream, $ifexpr);
+ $this->checkLoopUsageBody($stream, $body);
+ }
+
+ return new Twig_Node_For($keyTarget, $valueTarget, $seq, $ifexpr, $body, $else, $lineno, $this->getTag());
+ }
+
+ public function decideForFork(Twig_Token $token)
+ {
+ return $token->test(array('else', 'endfor'));
+ }
+
+ public function decideForEnd(Twig_Token $token)
+ {
+ return $token->test('endfor');
+ }
+
+ // the loop variable cannot be used in the condition
+ private function checkLoopUsageCondition(Twig_TokenStream $stream, Twig_Node $node)
+ {
+ if ($node instanceof Twig_Node_Expression_GetAttr && $node->getNode('node') instanceof Twig_Node_Expression_Name && 'loop' == $node->getNode('node')->getAttribute('name')) {
+ throw new Twig_Error_Syntax('The "loop" variable cannot be used in a looping condition.', $node->getTemplateLine(), $stream->getSourceContext());
+ }
+
+ foreach ($node as $n) {
+ if (!$n) {
+ continue;
+ }
+
+ $this->checkLoopUsageCondition($stream, $n);
+ }
+ }
+
+ // check usage of non-defined loop-items
+ // it does not catch all problems (for instance when a for is included into another or when the variable is used in an include)
+ private function checkLoopUsageBody(Twig_TokenStream $stream, Twig_Node $node)
+ {
+ if ($node instanceof Twig_Node_Expression_GetAttr && $node->getNode('node') instanceof Twig_Node_Expression_Name && 'loop' == $node->getNode('node')->getAttribute('name')) {
+ $attribute = $node->getNode('attribute');
+ if ($attribute instanceof Twig_Node_Expression_Constant && in_array($attribute->getAttribute('value'), array('length', 'revindex0', 'revindex', 'last'))) {
+ throw new Twig_Error_Syntax(sprintf('The "loop.%s" variable is not defined when looping with a condition.', $attribute->getAttribute('value')), $node->getTemplateLine(), $stream->getSourceContext());
+ }
+ }
+
+ // should check for parent.loop.XXX usage
+ if ($node instanceof Twig_Node_For) {
+ return;
+ }
+
+ foreach ($node as $n) {
+ if (!$n) {
+ continue;
+ }
+
+ $this->checkLoopUsageBody($stream, $n);
+ }
+ }
+
+ public function getTag()
+ {
+ return 'for';
+ }
+}
diff --git a/lib/Twig/TokenParser/From.php b/lib/Twig/TokenParser/From.php
new file mode 100644
index 0000000..1c68dda
--- /dev/null
+++ b/lib/Twig/TokenParser/From.php
@@ -0,0 +1,58 @@
+
+ * {% from 'forms.html' import forms %}
+ *
+ */
+final class Twig_TokenParser_From extends Twig_TokenParser
+{
+ public function parse(Twig_Token $token)
+ {
+ $macro = $this->parser->getExpressionParser()->parseExpression();
+ $stream = $this->parser->getStream();
+ $stream->expect('import');
+
+ $targets = array();
+ do {
+ $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+
+ $alias = $name;
+ if ($stream->nextIf('as')) {
+ $alias = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+ }
+
+ $targets[$name] = $alias;
+
+ if (!$stream->nextIf(Twig_Token::PUNCTUATION_TYPE, ',')) {
+ break;
+ }
+ } while (true);
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $node = new Twig_Node_Import($macro, new Twig_Node_Expression_AssignName($this->parser->getVarName(), $token->getLine()), $token->getLine(), $this->getTag());
+
+ foreach ($targets as $name => $alias) {
+ $this->parser->addImportedSymbol('function', $alias, 'macro_'.$name, $node->getNode('var'));
+ }
+
+ return $node;
+ }
+
+ public function getTag()
+ {
+ return 'from';
+ }
+}
diff --git a/lib/Twig/TokenParser/If.php b/lib/Twig/TokenParser/If.php
new file mode 100644
index 0000000..4925876
--- /dev/null
+++ b/lib/Twig/TokenParser/If.php
@@ -0,0 +1,82 @@
+
+ * {% if users %}
+ *
+ * {% for user in users %}
+ * - {{ user.username|e }}
+ * {% endfor %}
+ *
+ * {% endif %}
+ *
+ */
+final class Twig_TokenParser_If extends Twig_TokenParser
+{
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+ $expr = $this->parser->getExpressionParser()->parseExpression();
+ $stream = $this->parser->getStream();
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideIfFork'));
+ $tests = array($expr, $body);
+ $else = null;
+
+ $end = false;
+ while (!$end) {
+ switch ($stream->next()->getValue()) {
+ case 'else':
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+ $else = $this->parser->subparse(array($this, 'decideIfEnd'));
+ break;
+
+ case 'elseif':
+ $expr = $this->parser->getExpressionParser()->parseExpression();
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideIfFork'));
+ $tests[] = $expr;
+ $tests[] = $body;
+ break;
+
+ case 'endif':
+ $end = true;
+ break;
+
+ default:
+ throw new Twig_Error_Syntax(sprintf('Unexpected end of template. Twig was looking for the following tags "else", "elseif", or "endif" to close the "if" block started at line %d).', $lineno), $stream->getCurrent()->getLine(), $stream->getSourceContext());
+ }
+ }
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_If(new Twig_Node($tests), $else, $lineno, $this->getTag());
+ }
+
+ public function decideIfFork(Twig_Token $token)
+ {
+ return $token->test(array('elseif', 'else', 'endif'));
+ }
+
+ public function decideIfEnd(Twig_Token $token)
+ {
+ return $token->test(array('endif'));
+ }
+
+ public function getTag()
+ {
+ return 'if';
+ }
+}
diff --git a/lib/Twig/TokenParser/Import.php b/lib/Twig/TokenParser/Import.php
new file mode 100644
index 0000000..8bc3706
--- /dev/null
+++ b/lib/Twig/TokenParser/Import.php
@@ -0,0 +1,37 @@
+
+ * {% import 'forms.html' as forms %}
+ *
+ */
+final class Twig_TokenParser_Import extends Twig_TokenParser
+{
+ public function parse(Twig_Token $token)
+ {
+ $macro = $this->parser->getExpressionParser()->parseExpression();
+ $this->parser->getStream()->expect('as');
+ $var = new Twig_Node_Expression_AssignName($this->parser->getStream()->expect(Twig_Token::NAME_TYPE)->getValue(), $token->getLine());
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $this->parser->addImportedSymbol('template', $var->getAttribute('name'));
+
+ return new Twig_Node_Import($macro, $var, $token->getLine(), $this->getTag());
+ }
+
+ public function getTag()
+ {
+ return 'import';
+ }
+}
diff --git a/lib/Twig/TokenParser/Include.php b/lib/Twig/TokenParser/Include.php
new file mode 100644
index 0000000..7947082
--- /dev/null
+++ b/lib/Twig/TokenParser/Include.php
@@ -0,0 +1,65 @@
+
+ * {% include 'header.html' %}
+ * Body
+ * {% include 'footer.html' %}
+ *
+ *
+ * @final
+ */
+class Twig_TokenParser_Include extends Twig_TokenParser
+{
+ public function parse(Twig_Token $token)
+ {
+ $expr = $this->parser->getExpressionParser()->parseExpression();
+
+ list($variables, $only, $ignoreMissing) = $this->parseArguments();
+
+ return new Twig_Node_Include($expr, $variables, $only, $ignoreMissing, $token->getLine(), $this->getTag());
+ }
+
+ protected function parseArguments()
+ {
+ $stream = $this->parser->getStream();
+
+ $ignoreMissing = false;
+ if ($stream->nextIf(Twig_Token::NAME_TYPE, 'ignore')) {
+ $stream->expect(Twig_Token::NAME_TYPE, 'missing');
+
+ $ignoreMissing = true;
+ }
+
+ $variables = null;
+ if ($stream->nextIf(Twig_Token::NAME_TYPE, 'with')) {
+ $variables = $this->parser->getExpressionParser()->parseExpression();
+ }
+
+ $only = false;
+ if ($stream->nextIf(Twig_Token::NAME_TYPE, 'only')) {
+ $only = true;
+ }
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return array($variables, $only, $ignoreMissing);
+ }
+
+ public function getTag()
+ {
+ return 'include';
+ }
+}
diff --git a/lib/Twig/TokenParser/Macro.php b/lib/Twig/TokenParser/Macro.php
new file mode 100644
index 0000000..83a8eca
--- /dev/null
+++ b/lib/Twig/TokenParser/Macro.php
@@ -0,0 +1,56 @@
+
+ * {% macro input(name, value, type, size) %}
+ *
+ * {% endmacro %}
+ *
+ */
+final class Twig_TokenParser_Macro extends Twig_TokenParser
+{
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+ $stream = $this->parser->getStream();
+ $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+
+ $arguments = $this->parser->getExpressionParser()->parseArguments(true, true);
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+ $this->parser->pushLocalScope();
+ $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ if ($token = $stream->nextIf(Twig_Token::NAME_TYPE)) {
+ $value = $token->getValue();
+
+ if ($value != $name) {
+ throw new Twig_Error_Syntax(sprintf('Expected endmacro for macro "%s" (but "%s" given).', $name, $value), $stream->getCurrent()->getLine(), $stream->getSourceContext());
+ }
+ }
+ $this->parser->popLocalScope();
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $this->parser->setMacro($name, new Twig_Node_Macro($name, new Twig_Node_Body(array($body)), $arguments, $lineno, $this->getTag()));
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endmacro');
+ }
+
+ public function getTag()
+ {
+ return 'macro';
+ }
+}
diff --git a/lib/Twig/TokenParser/Sandbox.php b/lib/Twig/TokenParser/Sandbox.php
new file mode 100644
index 0000000..3b7cf29
--- /dev/null
+++ b/lib/Twig/TokenParser/Sandbox.php
@@ -0,0 +1,57 @@
+
+ * {% sandbox %}
+ * {% include 'user.html' %}
+ * {% endsandbox %}
+ *
+ *
+ * @see http://www.twig-project.org/doc/api.html#sandbox-extension for details
+ */
+final class Twig_TokenParser_Sandbox extends Twig_TokenParser
+{
+ public function parse(Twig_Token $token)
+ {
+ $stream = $this->parser->getStream();
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ // in a sandbox tag, only include tags are allowed
+ if (!$body instanceof Twig_Node_Include) {
+ foreach ($body as $node) {
+ if ($node instanceof Twig_Node_Text && ctype_space($node->getAttribute('data'))) {
+ continue;
+ }
+
+ if (!$node instanceof Twig_Node_Include) {
+ throw new Twig_Error_Syntax('Only "include" tags are allowed within a "sandbox" section.', $node->getTemplateLine(), $stream->getSourceContext());
+ }
+ }
+ }
+
+ return new Twig_Node_Sandbox($body, $token->getLine(), $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endsandbox');
+ }
+
+ public function getTag()
+ {
+ return 'sandbox';
+ }
+}
diff --git a/lib/Twig/TokenParser/Set.php b/lib/Twig/TokenParser/Set.php
new file mode 100644
index 0000000..14a4765
--- /dev/null
+++ b/lib/Twig/TokenParser/Set.php
@@ -0,0 +1,71 @@
+
+ * {% set foo = 'foo' %}
+ *
+ * {% set foo = [1, 2] %}
+ *
+ * {% set foo = {'foo': 'bar'} %}
+ *
+ * {% set foo = 'foo' ~ 'bar' %}
+ *
+ * {% set foo, bar = 'foo', 'bar' %}
+ *
+ * {% set foo %}Some content{% endset %}
+ *
+ */
+final class Twig_TokenParser_Set extends Twig_TokenParser
+{
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+ $stream = $this->parser->getStream();
+ $names = $this->parser->getExpressionParser()->parseAssignmentExpression();
+
+ $capture = false;
+ if ($stream->nextIf(Twig_Token::OPERATOR_TYPE, '=')) {
+ $values = $this->parser->getExpressionParser()->parseMultitargetExpression();
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ if (count($names) !== count($values)) {
+ throw new Twig_Error_Syntax('When using set, you must have the same number of variables and assignments.', $stream->getCurrent()->getLine(), $stream->getSourceContext());
+ }
+ } else {
+ $capture = true;
+
+ if (count($names) > 1) {
+ throw new Twig_Error_Syntax('When using set with a block, you cannot have a multi-target.', $stream->getCurrent()->getLine(), $stream->getSourceContext());
+ }
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $values = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+ }
+
+ return new Twig_Node_Set($capture, $names, $values, $lineno, $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endset');
+ }
+
+ public function getTag()
+ {
+ return 'set';
+ }
+}
diff --git a/lib/Twig/TokenParser/Spaceless.php b/lib/Twig/TokenParser/Spaceless.php
new file mode 100644
index 0000000..368727c
--- /dev/null
+++ b/lib/Twig/TokenParser/Spaceless.php
@@ -0,0 +1,47 @@
+
+ * {% spaceless %}
+ *
+ * foo
+ *
+ * {% endspaceless %}
+ *
+ * {# output will be foo
#}
+ *
+ */
+final class Twig_TokenParser_Spaceless extends Twig_TokenParser
+{
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideSpacelessEnd'), true);
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_Spaceless($body, $lineno, $this->getTag());
+ }
+
+ public function decideSpacelessEnd(Twig_Token $token)
+ {
+ return $token->test('endspaceless');
+ }
+
+ public function getTag()
+ {
+ return 'spaceless';
+ }
+}
diff --git a/lib/Twig/TokenParser/Use.php b/lib/Twig/TokenParser/Use.php
new file mode 100644
index 0000000..0b56894
--- /dev/null
+++ b/lib/Twig/TokenParser/Use.php
@@ -0,0 +1,64 @@
+
+ * {% extends "base.html" %}
+ *
+ * {% use "blocks.html" %}
+ *
+ * {% block title %}{% endblock %}
+ * {% block content %}{% endblock %}
+ *
+ *
+ * @see http://www.twig-project.org/doc/templates.html#horizontal-reuse for details.
+ */
+final class Twig_TokenParser_Use extends Twig_TokenParser
+{
+ public function parse(Twig_Token $token)
+ {
+ $template = $this->parser->getExpressionParser()->parseExpression();
+ $stream = $this->parser->getStream();
+
+ if (!$template instanceof Twig_Node_Expression_Constant) {
+ throw new Twig_Error_Syntax('The template references in a "use" statement must be a string.', $stream->getCurrent()->getLine(), $stream->getSourceContext());
+ }
+
+ $targets = array();
+ if ($stream->nextIf('with')) {
+ do {
+ $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+
+ $alias = $name;
+ if ($stream->nextIf('as')) {
+ $alias = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+ }
+
+ $targets[$name] = new Twig_Node_Expression_Constant($alias, -1);
+
+ if (!$stream->nextIf(Twig_Token::PUNCTUATION_TYPE, ',')) {
+ break;
+ }
+ } while (true);
+ }
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $this->parser->addTrait(new Twig_Node(array('template' => $template, 'targets' => new Twig_Node($targets))));
+ }
+
+ public function getTag()
+ {
+ return 'use';
+ }
+}
diff --git a/lib/Twig/TokenParser/With.php b/lib/Twig/TokenParser/With.php
new file mode 100644
index 0000000..673f216
--- /dev/null
+++ b/lib/Twig/TokenParser/With.php
@@ -0,0 +1,48 @@
+
+ */
+final class Twig_TokenParser_With extends Twig_TokenParser
+{
+ public function parse(Twig_Token $token)
+ {
+ $stream = $this->parser->getStream();
+
+ $variables = null;
+ $only = false;
+ if (!$stream->test(Twig_Token::BLOCK_END_TYPE)) {
+ $variables = $this->parser->getExpressionParser()->parseExpression();
+ $only = $stream->nextIf(Twig_Token::NAME_TYPE, 'only');
+ }
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $body = $this->parser->subparse(array($this, 'decideWithEnd'), true);
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_With($body, $variables, $only, $token->getLine(), $this->getTag());
+ }
+
+ public function decideWithEnd(Twig_Token $token)
+ {
+ return $token->test('endwith');
+ }
+
+ public function getTag()
+ {
+ return 'with';
+ }
+}
diff --git a/lib/Twig/TokenParserInterface.php b/lib/Twig/TokenParserInterface.php
new file mode 100644
index 0000000..015fbe7
--- /dev/null
+++ b/lib/Twig/TokenParserInterface.php
@@ -0,0 +1,39 @@
+
+ */
+interface Twig_TokenParserInterface
+{
+ /**
+ * Sets the parser associated with this token parser.
+ */
+ public function setParser(Twig_Parser $parser);
+
+ /**
+ * Parses a token and returns a node.
+ *
+ * @return Twig_Node A Twig_Node instance
+ *
+ * @throws Twig_Error_Syntax
+ */
+ public function parse(Twig_Token $token);
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag();
+}
diff --git a/lib/Twig/TokenStream.php b/lib/Twig/TokenStream.php
new file mode 100644
index 0000000..802f9e3
--- /dev/null
+++ b/lib/Twig/TokenStream.php
@@ -0,0 +1,148 @@
+
+ */
+final class Twig_TokenStream
+{
+ private $tokens;
+ private $current = 0;
+ private $source;
+
+ /**
+ * @param array $tokens An array of tokens
+ * @param Twig_Source $source
+ */
+ public function __construct(array $tokens, Twig_Source $source = null)
+ {
+ $this->tokens = $tokens;
+ $this->source = $source ?: new Twig_Source('', '');
+ }
+
+ public function __toString()
+ {
+ return implode("\n", $this->tokens);
+ }
+
+ public function injectTokens(array $tokens)
+ {
+ $this->tokens = array_merge(array_slice($this->tokens, 0, $this->current), $tokens, array_slice($this->tokens, $this->current));
+ }
+
+ /**
+ * Sets the pointer to the next token and returns the old one.
+ *
+ * @return Twig_Token
+ */
+ public function next()
+ {
+ if (!isset($this->tokens[++$this->current])) {
+ throw new Twig_Error_Syntax('Unexpected end of template.', $this->tokens[$this->current - 1]->getLine(), $this->source);
+ }
+
+ return $this->tokens[$this->current - 1];
+ }
+
+ /**
+ * Tests a token, sets the pointer to the next one and returns it or throws a syntax error.
+ *
+ * @return Twig_Token|null The next token if the condition is true, null otherwise
+ */
+ public function nextIf($primary, $secondary = null)
+ {
+ if ($this->tokens[$this->current]->test($primary, $secondary)) {
+ return $this->next();
+ }
+ }
+
+ /**
+ * Tests a token and returns it or throws a syntax error.
+ *
+ * @return Twig_Token
+ */
+ public function expect($type, $value = null, $message = null)
+ {
+ $token = $this->tokens[$this->current];
+ if (!$token->test($type, $value)) {
+ $line = $token->getLine();
+ throw new Twig_Error_Syntax(sprintf('%sUnexpected token "%s" of value "%s" ("%s" expected%s).',
+ $message ? $message.'. ' : '',
+ Twig_Token::typeToEnglish($token->getType()), $token->getValue(),
+ Twig_Token::typeToEnglish($type), $value ? sprintf(' with value "%s"', $value) : ''),
+ $line,
+ $this->source
+ );
+ }
+ $this->next();
+
+ return $token;
+ }
+
+ /**
+ * Looks at the next token.
+ *
+ * @param int $number
+ *
+ * @return Twig_Token
+ */
+ public function look($number = 1)
+ {
+ if (!isset($this->tokens[$this->current + $number])) {
+ throw new Twig_Error_Syntax('Unexpected end of template.', $this->tokens[$this->current + $number - 1]->getLine(), $this->source);
+ }
+
+ return $this->tokens[$this->current + $number];
+ }
+
+ /**
+ * Tests the current token.
+ *
+ * @return bool
+ */
+ public function test($primary, $secondary = null)
+ {
+ return $this->tokens[$this->current]->test($primary, $secondary);
+ }
+
+ /**
+ * Checks if end of stream was reached.
+ *
+ * @return bool
+ */
+ public function isEOF()
+ {
+ return $this->tokens[$this->current]->getType() === Twig_Token::EOF_TYPE;
+ }
+
+ /**
+ * @return Twig_Token
+ */
+ public function getCurrent()
+ {
+ return $this->tokens[$this->current];
+ }
+
+ /**
+ * Gets the source associated with this stream.
+ *
+ * @return Twig_Source
+ *
+ * @internal
+ */
+ public function getSourceContext()
+ {
+ return $this->source;
+ }
+}
diff --git a/lib/Twig/Util/DeprecationCollector.php b/lib/Twig/Util/DeprecationCollector.php
new file mode 100644
index 0000000..7dfc53d
--- /dev/null
+++ b/lib/Twig/Util/DeprecationCollector.php
@@ -0,0 +1,71 @@
+
+ */
+final class Twig_Util_DeprecationCollector
+{
+ private $twig;
+
+ public function __construct(Twig_Environment $twig)
+ {
+ $this->twig = $twig;
+ }
+
+ /**
+ * Returns deprecations for templates contained in a directory.
+ *
+ * @param string $dir A directory where templates are stored
+ * @param string $ext Limit the loaded templates by extension
+ *
+ * @return array An array of deprecations
+ */
+ public function collectDir($dir, $ext = '.twig')
+ {
+ $iterator = new RegexIterator(
+ new RecursiveIteratorIterator(
+ new RecursiveDirectoryIterator($dir), RecursiveIteratorIterator::LEAVES_ONLY
+ ), '{'.preg_quote($ext).'$}'
+ );
+
+ return $this->collect(new Twig_Util_TemplateDirIterator($iterator));
+ }
+
+ /**
+ * Returns deprecations for passed templates.
+ *
+ * @param Iterator $iterator An iterator of templates (where keys are template names and values the contents of the template)
+ *
+ * @return array An array of deprecations
+ */
+ public function collect(Iterator $iterator)
+ {
+ $deprecations = array();
+ set_error_handler(function ($type, $msg) use (&$deprecations) {
+ if (E_USER_DEPRECATED === $type) {
+ $deprecations[] = $msg;
+ }
+ });
+
+ foreach ($iterator as $name => $contents) {
+ try {
+ $this->twig->parse($this->twig->tokenize($contents));
+ } catch (Twig_Error_Syntax $e) {
+ // ignore templates containing syntax errors
+ }
+ }
+
+ restore_error_handler();
+
+ return $deprecations;
+ }
+}
diff --git a/lib/Twig/Util/TemplateDirIterator.php b/lib/Twig/Util/TemplateDirIterator.php
new file mode 100644
index 0000000..3fb8932
--- /dev/null
+++ b/lib/Twig/Util/TemplateDirIterator.php
@@ -0,0 +1,26 @@
+
+ */
+class Twig_Util_TemplateDirIterator extends IteratorIterator
+{
+ public function current()
+ {
+ return file_get_contents(parent::current());
+ }
+
+ public function key()
+ {
+ return (string) parent::key();
+ }
+}
diff --git a/public_html/index.php b/public_html/index.php
index 905623c..7ca8574 100755
--- a/public_html/index.php
+++ b/public_html/index.php
@@ -2,6 +2,7 @@
require_once '../autoloader.php';
+ debug();
use \router\core\Router;
use \api\core\ModuleRequest;