12 lines
4.4 KiB
JavaScript
12 lines
4.4 KiB
JavaScript
var ref=function(a,b){for(var d=null;null==d||a.hasOwnProperty(d);)d="$"+(1048576+Math.floor(15728639*Math.random())).toString(16)+"$";a[d]=b;return d},FormBuilder=function(a){this.form_object=a};FormBuilder.prototype={form_object:this.form_object,defs_object:{},parent_element:null,built_form:null,root_element:null,ref_table:{}};
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FormBuilder.regex={reg_in_key:/^\/\^(.+)\$\/$/,reg_out_val:/\{(\$[1-9])\}/,pri_out_val:/\{([a-z-]+)\}/g,pri_in_key:/^\$([a-z-]+)$/,arr_out_set:/^\{\{([a-z-]+)\}\}$/,arr_out_val:/\{([a-z-]+)\.([a-z-]+)\}/g,arr_in_key:/^\$\$([a-z-]+)$/,ref_pri:/^\$[a-f0-9]{6}\$$/};FormBuilder.spread_attr=["children","next_nodes","prev_nodes","attributes","node_link"];FormBuilder.allowed_attr="node node_type next_nodes prev_nodes attributes children text repeat".split(" ");
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FormBuilder.prototype.add_definition=function(a){for(var b in a)this.defs_object[b]=a[b]};FormBuilder.prototype.build=function(a){a=null==a?{}:a;for(var b in a)a[b]=ref(this.ref_table,a[b]);this.built_form=JSON.parse(JSON.stringify(this.form_object));this.built_form=FormBuilder.formatFormObject(this.built_form,this.defs_object);this.built_form=FormBuilder.replaceStatements(this.built_form,a,this.defs_object,this.ref_table)};
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FormBuilder.prototype.attach=function(a){if(!(a instanceof Element)&&null==this.parent_element)return!1;this.parent_element=a instanceof Element?a:this.parent_element};FormBuilder.formatFormObject=function(a,b){if(a.hasOwnProperty("children"))for(var d in a.children)a.children[d].parent=a,FormBuilder.formatFormObject(a.children[d],b);return a};
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FormBuilder.fetchNodeDefinition=function(a,b){var d,f;r=FormBuilder.regex.reg_in_key;if("undefined"!=typeof b&&b.hasOwnProperty(a))return{def:b[a]};for(d in b)if(r.test(d)&&(f=new RegExp(d.slice(1,-1)),f.test(a))){matches={};for(f=1;f<RegExp.length&&10>f;f++)matches["$"+f]=RegExp["$"+f];return{def:b[d],scope:matches}}return{}};
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FormBuilder.replaceStatements=function(a,b,d,f){a=a instanceof Object?a:{};b=b instanceof Object?JSON.parse(JSON.stringify(b)):{};var c,h,e,g,k,l,n;if(a.hasOwnProperty("scope")&&a.scope instanceof Object)for(c in a.scope)b[c]=a.scope[c];if(a.hasOwnProperty("node")&&"string"==typeof a.node&&(e=FormBuilder.fetchNodeDefinition(a.node,d),e.hasOwnProperty("def")&&(a.node_link=JSON.parse(JSON.stringify(e.def)),e.hasOwnProperty("scope"))))for(c in e.scope)b[c]=e.scope[c];for(c in a)if("string"==typeof a[c])if(a[c]=
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[a[c]],e=FormBuilder.replaceStatementsArray(a[c][0],b),!1!==e)a[c][0]=e;else{h=FormBuilder.regex.reg_out_val;g=-1;for(l=[];null!==(e=h.exec(a[c][0]))&&!(g>=h.lastIndex);)g=h.lastIndex,l.push(e[1]);for(e in l)b.hasOwnProperty(l[e])||(b[l[e]]=""),h=new RegExp("{\\$"+l[e][1]+"}","g"),a[c][0]=a[c][0].replace(h,b[l[e]]);if(!(0<l.length))for(k in a[c]=FormBuilder.replaceStatementsPrimary(a[c],b),h=FormBuilder.regex.arr_out_val,a[c])if(null!=a[c][k]){for(n=[];null!==(e=h.exec(a[c][k]));)n.push(e);g=0;l=
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[];for(e in n)(0<g||0<n[e].index)&&l.push(a[c][k].substr(g,n[e].index)),b.hasOwnProperty(n[e][1])||(b[n[e][1]]=""),l.push(b[n[e][1]]),g=n[e].index+n[e][0].length;g<a[c][k].length&&l.push(a[c][k].substr(g,a[c][k].length));0<n.length&&(a[c]=a[c].slice(0,k).concat(l).concat(a[c].slice(k+1)))}}for(c in a)FormBuilder.regex.pri_in_key.test(c)?b[c.substring(1)]=ref(f,a[c]):FormBuilder.regex.arr_in_key.test(c)&&(b[c.substring(2)]=ref(f,a[c]));b=JSON.parse(JSON.stringify(b));for(c in a)if(-1<FormBuilder.spread_attr.indexOf(c))if(a[c]instanceof
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Array)for(var p in a[c])FormBuilder.replaceStatements(a[c][p],b,d,f);else a[c]instanceof Object&&FormBuilder.replaceStatements(a[c],b,d,f);return a};FormBuilder.replaceStatementsArray=function(a,b){var d=null,d=FormBuilder.regex.arr_out_set.exec(a);if(null===d)return!1;b.hasOwnProperty(d[1])||(b[d[1]]=[]);return b[d[1]]};
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FormBuilder.replaceStatementsPrimary=function(a,b){var d=FormBuilder.regex.pri_out_val,f=null,c=[],h,e,g,k;for(g=0;g<a.length;g++){m=null;c=[];h=0;for(e=[];null!==(f=d.exec(a[g]));)c.push(f);for(f=0;f<c.length;f++)k=c[f][1],(0<h||0<c[f].index)&&e.push(a[g].substr(h,c[f].index-h)),b.hasOwnProperty(k)||(b[k]=""),e.push(b[k]),h=c[f].index+c[f][0].length;h<a[g].length&&e.push(a[g].substr(h,a[g].length));a=a.slice(0,g).concat(e).concat(a.slice(g+1))}return a};
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FormBuilder.buildString=function(a,b){var d,f="";if("string"==typeof b&&FormBuilder.regex.ref_pri.test(b))return a[b];for(d in b)f=FormBuilder.regex.ref_pri.test(b[d])&&a.hasOwnProperty(b[d])?a[b[d]]instanceof Array?f+(""+FormBuilder.buildString(a,a[b[d]])):f+(""+a[b[d]]):f+(""+b[d].toString());return f};
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