9 lines
3.1 KiB
JavaScript
9 lines
3.1 KiB
JavaScript
var FormBuilder=function(a,c){this.parent_element=a;this.form_object=c};FormBuilder.prototype={form_object:this.form_object,defs_object:{},parent_element:this.parent_element,built_form:null};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-]+)\}\}$/,arr_out_val:/\{([a-z-]+)\.([a-z-]+)\}/g,arr_in_key:/^\$\$([a-z-]+)$/};
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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(" ");FormBuilder.prototype.add_definition=function(a){for(var c in a)this.defs_object[c]=a[c]};FormBuilder.prototype.build=function(a){a=null==a?{}:a;this.built_form=FormBuilder.formatFormObject(this.form_object,this.defs_object);this.built_form=FormBuilder.replaceStatements(this.form_object,a)};
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FormBuilder.formatFormObject=function(a,c){if(a.hasOwnProperty("node")&&"string"==typeof a.node){var b=FormBuilder.fetchNodeDefinition(a.node,c);null!==b&&(a.node_link=b.def,b.hasOwnProperty("scope")&&(a.scope=b.scope))}if(a.hasOwnProperty("children"))for(var e in a.children)a.children[e].parent=a,FormBuilder.formatFormObject(a.children[e],c);return a};
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FormBuilder.fetchNodeDefinition=function(a,c){var b,e;r=FormBuilder.regex.reg_in_key;if(null!=c&&c.hasOwnProperty(a))return{def:c.node,scope:null};for(b in c)if(r.test(b)&&(e=new RegExp(b.slice(1,-1)),e.test(a))){matches={};for(e=1;e<RegExp.length&&10>e;e++)matches["$"+e]=RegExp["$"+e];return{def:c[b],scope:matches}}return null};
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FormBuilder.replaceStatements=function(a,c){a=a instanceof Object?a:{};c=c instanceof Object?JSON.parse(JSON.stringify(c)):{};var b,e,f,g={};a.received=c;if(a.hasOwnProperty("scope")&&a.scope instanceof Object)for(b in a.scope)g[b]=a.scope[b];for(b in a)if("string"==typeof a[b]){e=FormBuilder.regex.arr_out_set;var d=[];(f=e.exec(a[b]))&&d.push(f[1]);for(f in d)c.hasOwnProperty(d[f])||(c[d[f]]=[]),a[b]=c[d[f]];if(!(0<d.length)){e=FormBuilder.regex.pri_out_val;for(d=[];null!==(f=e.exec(a[b]));)d.push(f[1]);
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for(f in d)c.hasOwnProperty(d[f])||(c[d[f]]=""),e=new RegExp("{"+d[f]+"}","g"),a[b]=a[b].replace(e,c[d[f]]);if(!(0<d.length)){e=FormBuilder.regex.reg_out_val;lasti=-1;for(d=[];null!==(f=e.exec(a[b]))&&!(lasti>=e.lastIndex);)lasti=e.lastIndex,d.push(f[1]);for(f in d)c.hasOwnProperty(d[f])||(c[d[f]]=""),e=new RegExp("{\\$"+d[f][1]+"}","g"),a[b]=a[b].replace(e,c[d[f]]);if(!(0<d.length)){e=FormBuilder.regex.arr_out_val;for(d=[];null!==(f=e.exec(a[b]));)d.push(f[1]);for(f in d)c.hasOwnProperty(d[f])||
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(c[d[f]]=""),e=new RegExp("/{"+d[f]+"}/","g"),a[b].replace(e,c[d[f]])}}}}for(b in a)FormBuilder.regex.pri_in_key.test(b)?g[b.substring(1)]=a[b]:FormBuilder.regex.arr_in_key.test(b)&&(g[b.substring(2)]=a[b]);for(b in a)if(-1<FormBuilder.spread_attr.indexOf(b))if(console.log("spreads to",b),Object.assign(g,c),a[b]instanceof Array)for(var h in a[b])console.log(a,b+"["+h+"]",c),FormBuilder.replaceStatements(a[b][h],g);else a[b]instanceof Object&&(console.warn(a,b,c),FormBuilder.replaceStatements(a[b],
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g));return a};
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