1 line
12 KiB
JavaScript
1 line
12 KiB
JavaScript
9 years ago
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(function($){$.fn.htmlClean=function(options){return this.each(function(){if(this.value){this.value=$.htmlClean(this.value,options)}else{this.innerHTML=$.htmlClean(this.innerHTML,options)}})};$.htmlClean=function(html,options){options=$.extend({},$.htmlClean.defaults,options);options.allowEmpty=tagAllowEmpty.concat(options.allowEmpty);var tagsRE=/(<(\/)?(\w+:)?([\w]+)([^>]*)>)|<!--(.*?--)>/gi;var attrsRE=/([\w\-]+)\s*=\s*(".*?"|'.*?'|[^\s>\/]*)/gi;var tagMatch;var root=new Element();var stack=[root];var container=root;if(options.bodyOnly){if(tagMatch=/<body[^>]*>((\n|.)*)<\/body>/i.exec(html)){html=tagMatch[1]}}html=html.concat("<xxx>");var lastIndex;while(tagMatch=tagsRE.exec(html)){var tag=tagMatch[6]?new Tag("--",null,tagMatch[6],options):new Tag(tagMatch[4],tagMatch[2],tagMatch[5],options);var text=html.substring(lastIndex,tagMatch.index);if(text.length>0){var child=container.children[container.children.length-1];if(container.children.length>0&&isText(child=container.children[container.children.length-1])){container.children[container.children.length-1]=child.concat(text)}else{container.children.push(text)}}lastIndex=tagsRE.lastIndex;if(tag.isClosing){if(popToTagName(stack,[tag.name])){stack.pop();container=stack[stack.length-1]}}else{var element=new Element(tag);var attrMatch;while(attrMatch=attrsRE.exec(tag.rawAttributes)){if(attrMatch[1].toLowerCase()=="style"&&options.replaceStyles){var renderParent=!tag.isInline;for(var i=0;i<options.replaceStyles.length;i++){if(options.replaceStyles[i][0].test(attrMatch[2])){if(!renderParent){tag.render=false;renderParent=true}container.children.push(element);stack.push(element);container=element;tag=new Tag(options.replaceStyles[i][1],"","",options);element=new Element(tag)}}}if(tag.allowedAttributes!=null&&(tag.allowedAttributes.length==0||$.inArray(attrMatch[1],tag.allowedAttributes)>-1)){element.attributes.push(new Attribute(attrMatch[1],attrMatch[2]))}}$.each(tag.requiredAttributes,function(){var name=this.toString();if(!element.hasAttribute(name)){element.attributes.push(new Attribute(name,""))}});for(var repIndex=0;repIndex<options.replace.length;repIndex++){for(var tagIndex=0;tagIndex<options.replace[repIndex][0].length;tagIndex++){var byName=typeof(options.replace[repIndex][0][tagIndex])=="string";if((byName&&options.replace[repIndex][0][tagIndex]==tag.name)||(!byName&&options.replace[repIndex][0][tagIndex].test(tagMatch))){tag.rename(options.replace[repIndex][1]);repIndex=options.replace.length;break}}}var add=true;if(!container.isRoot){if(container.tag.isInline&&!tag.isInline){if(add=popToContainer(stack)){container=stack[stack.length-1]}}else{if(container.tag.disallowNest&&tag.disallowNest&&!tag.requiredParent){add=false}else{if(tag.requiredParent){if(add=popToTagName(stack,tag.requiredParent)){container=stack[stack.length-1]}}}}}if(add){container.children.push(element);if(tag.toProtect){var tagMatch2;while(tagMatch2=tagsRE.exec(html)){var tag2=new Tag(tagMatch2[4],tagMatch2[1],tagMatch2[5],options);if(tag2.isClosing&&tag2.name==tag.name){element.children.push(RegExp.leftContext.substring(lastIndex));lastIndex=tagsRE.lastIndex;break}}}else{if(!tag.isSelfClosing&&!tag.isNonClosing){stack.push(element);container=element}}}}}return $.htmlClean.trim(render(root,options).join(""))};$.htmlClean.defaults={bodyOnly:true,allowedTags:[],removeTags:["basefont","center","dir","font","frame","frameset","iframe","isindex","menu","noframes","s","strike","u"],allowedAttributes:[],removeAttrs:[],allowedClasses:[],format:false,formatIndent:0,replace:[[["b","big"],"strong"],[["i"],"em"]],replaceStyles:[[/font-weight:\s*bold/i,"strong"],[/font-style:\s*italic/i,"em"],[/vertical-align:\s*super/i,"sup"],[/vertical-align:\s*sub/i,"sub"]],allowComments:false,allowEmpty:[]};function applyFormat(element,options,output,indent){if(element.tag.format&&output.length>0){output.push("\n");for(var i=0;i<indent;i++){output.push("\t")}}}function render(element,options){var output=[],empty=element.attributes.length==0,indent=0;if(element.tag.isComment){if(options.allowComments){output.push("<!--");ou
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