110 lines
2.8 KiB
PHP
Executable File
110 lines
2.8 KiB
PHP
Executable File
<?php
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namespace service;
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class Tesseract{
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/* [1] Attributes
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=========================================================*/
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private $fname = null;
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/* (1) Constructs and initialise a readed file
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*
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* @fname<String> Path of the image
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*
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* @return instance<Tesseract> New Tesseract
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*
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---------------------------------------------------------*/
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public function __construct($fname=null){
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/* [1] Check argument
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=========================================================*/ {
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/* (1) Check type */
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if( !is_string($fname) )
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throw new \Exception("Tesseract.__construct(<String>) expected but Tesseract.__construct(<".gettype($fname).">) received");
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/* (2) Check file validity */
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if( !file_exists($fname) )
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throw new \Exception("Tesseract.__construct(<PATH>) but <PATH> is not valid");
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}
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/* [2] Store as attribute
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=========================================================*/
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$this->fname = $fname;
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}
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/* (2) Read the image file
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*
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* @return read<String> The read content
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*
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---------------------------------------------------------*/
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public function read(){
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/* [1] Record the text from the image
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=========================================================*/ {
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/* (1) Process tesseract */
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$read = shell_exec("tesseract ".$this->fname." stdout -l fra --user-words ".__ROOT__."/config/edt.user-words -c language_model_penalty_non_freq_dict_word=0.3 -c language_model_penalty_non_dict_word=.25 -c tessedit_char_whitelist=abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 2>/dev/null");
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/* (2) If empty */
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if( is_null($read) || !preg_match('@\n@m', $read) )
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throw new \Exception("Nothing read");
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/* (3) Split by lines */
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$by_line = explode("\n", $read);
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$lines = [];
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/* (4) Remove empty lines */
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for( $i = 0 ; $i < count($by_line) ; $i++ ){
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if( !empty( trim($by_line[$i]) ))
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$lines[] = $by_line[$i];
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}
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/* (5) Manage if empty */
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if( count($lines) < 3 )
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throw new \Exception("Nothing read");
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}
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/* [2] Extract data
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=========================================================*/ {
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/* (1) Get first non-empty line (title) */
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$title = $lines[0];
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/* (2) Get last non-empty line */
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for( $i = 2 ; $i < count($lines) ; $i++ ){
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// Amphi ... //
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if( preg_match('@^a[nm](?:[bp][hln])?[ir] ?(.+)$@i', $lines[$i], $m) ) // 'amphi A', 'amphi 600 droit'
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return [ $title, "Amphi ${m[1]}" ];
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// S... OR 5... //
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if( preg_match('@^[S|5] ?(\d+)@i', $lines[$i], $m) ) // 'S10', 'S22'
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return [ $title, "S. ${m[1]}" ];
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// If not 'Cours', 'CTD', 'TD', 'TP' //
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if( preg_match('@^(co[hu][trn][s5]|t[dp|c[mn]|ct[dp])@i', $lines[$i]) )
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continue;
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}
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}
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return [ $title, $lines[2] ];
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}
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} |