1 line
10 KiB
JavaScript
1 line
10 KiB
JavaScript
(function(){var inlineTags=new RegExp(["^(<\\/?(a|abbr|acronym|applet|area|b|basefont|","bdo|big|button|cite|code|del|dfn|em|figcaption|","font|i|iframe|img|input|ins|kbd|label|map|","mark|meter|object|param|progress|q|ruby|rp|rt|s|","samp|script|select|small|span|strike|strong|","sub|sup|textarea|time|tt|u|var|wbr)[^>]*>|","<(br)\\s?\\/?>)$"].join(""),"i");if(!Array.indexOf){Array.prototype.indexOf=function(obj){for(var i=0;i<this.length;i++){if(this[i]==obj){return i}}return-1}}function trim(str){return str.replace(/^\s+|\s+$/g,"")}function rtrim(str){return str.replace(/\s+$/g,"")}function outdent(text){return text.replace(new RegExp("^(\\t|[ ]{1,4})","gm"),"")}function contains(str,substr){return str.indexOf(substr)!=-1}function sanitizeHtml(html,whitelist){return html.replace(/<[^>]*>?/gi,function(tag){return tag.match(whitelist)?tag:""})}function union(x,y){var obj={};for(var i=0;i<x.length;i++)obj[x[i]]=x[i];for(i=0;i<y.length;i++)obj[y[i]]=y[i];var res=[];for(var k in obj){if(obj.hasOwnProperty(k))res.push(obj[k])}return res}function addAnchors(text){if(text.charAt(0)!="")text=""+text;if(text.charAt(text.length-1)!="")text=text+"";return text}function removeAnchors(text){if(text.charAt(0)=="")text=text.substr(1);if(text.charAt(text.length-1)=="")text=text.substr(0,text.length-1);return text}function convertSpans(text,extra){return sanitizeHtml(convertAll(text,extra),inlineTags)}function convertAll(text,extra){var result=extra.blockGamutHookCallback(text);result=unescapeSpecialChars(result);result=result.replace(/~D/g,"$$").replace(/~T/g,"~");result=extra.previousPostConversion(result);return result}function processEscapes(text){return text.replace(/\\\|/g,"|").replace(/\\:/g,":")}function unescapeSpecialChars(text){text=text.replace(/~E(\d+)E/g,function(wholeMatch,m1){var charCodeToReplace=parseInt(m1);return String.fromCharCode(charCodeToReplace)});return text}Markdown.Extra=function(){this.converter=null;this.hashBlocks=[];this.attributeBlocks=false;this.googleCodePrettify=false;this.highlightJs=false;this.tableClass="";this.tabWidth=4};Markdown.Extra.init=function(converter,options){var extra=new Markdown.Extra;var postNormalizationTransformations=[];var preBlockGamutTransformations=[];var postConversionTransformations=["unHashExtraBlocks"];options=options||{};options.extensions=options.extensions||["all"];if(contains(options.extensions,"all")){options.extensions=["tables","fenced_code_gfm","def_list","attr_list"]}if(contains(options.extensions,"attr_list")){postNormalizationTransformations.push("hashFcbAttributeBlocks");preBlockGamutTransformations.push("hashHeaderAttributeBlocks");postConversionTransformations.push("applyAttributeBlocks");extra.attributeBlocks=true}if(contains(options.extensions,"tables")){preBlockGamutTransformations.push("tables")}if(contains(options.extensions,"fenced_code_gfm")){postNormalizationTransformations.push("fencedCodeBlocks")}if(contains(options.extensions,"def_list")){preBlockGamutTransformations.push("definitionLists")}converter.hooks.chain("postNormalization",function(text){return extra.doTransform(postNormalizationTransformations,text)+"\n"});converter.hooks.chain("preBlockGamut",function(text,blockGamutHookCallback){extra.blockGamutHookCallback=blockGamutHookCallback;text=processEscapes(text);return extra.doTransform(preBlockGamutTransformations,text)+"\n"});extra.previousPostConversion=converter.hooks.postConversion;converter.hooks.chain("postConversion",function(text){text=extra.doTransform(postConversionTransformations,text);this.hashBlocks=[];return text});if("highlighter"in options){extra.googleCodePrettify=options.highlighter==="prettify";extra.highlightJs=options.highlighter==="highlight"}if("table_class"in options){extra.tableClass=options.table_class}extra.converter=converter;return extra};Markdown.Extra.prototype.doTransform=function(transformations,text){for(var i=0;i<transformations.length;i++)text=this[transformations[i]](text);return text};Markdown.Extra.prototype.hashExtraBlock=function(block){return"\n<p>~X"+(this.hashBlocks.push(block)-1)+"X</p>\n"};Markdown.Extra.prototype.unHashExtraBlocks=function(text){var self=this;function recursiveUnHash(){var hasHash=false;text=text.replace(/<p>~X(\d+)X<\/p>/g,function(wholeMatch,m1){hasHash=true;var key=parseInt(m1,10);return self.hashBlocks[key]});if(hasHash===true){recursiveUnHash()}}recursiveUnHash();return text};Markdown.Extra.prototype.hashHeaderAttributeBlocks=function(text){var attrBlock="\\{\\s*[.|#][^}]+\\}";var hdrAttributesA=new RegExp("^(#{1,6}.*#{0,6})\\s+("+attrBlock+")[ \\t]*(\\n|0x03)","gm");var hdrAttributesB=new RegExp("^(.*)\\s+("+attrBlock+")[ \\t]*\\n"+"(?=[\\-|=]+\\s*(\\n|0x03))","gm");var self=this;function attributeCallback(wholeMatch,pre,attr){return"<p>~XX"+(self.hashBlocks.push(attr)-1)+"XX</p>\n"+pre+"\n"}text=text.replace(hdrAttributesA,attributeCallback);text=text.replace(hdrAttributesB,attributeCallback);return text};Markdown.Extra.prototype.hashFcbAttributeBlocks=function(text){var attrBlock="\\{\\s*[.|#][^}]+\\}";var fcbAttributes=new RegExp("^(```[^{]*)\\s+("+attrBlock+")[ \\t]*\\n"+"(?=([\\s\\S]*?)\\n```\\s*(\\n|0x03))","gm");var self=this;function attributeCallback(wholeMatch,pre,attr){return"<p>~XX"+(self.hashBlocks.push(attr)-1)+"XX</p>\n"+pre+"\n"}return text.replace(fcbAttributes,attributeCallback)};Markdown.Extra.prototype.applyAttributeBlocks=function(text){var self=this;var blockRe=new RegExp("<p>~XX(\\d+)XX</p>[\\s]*"+'(?:<(h[1-6]|pre)(?: +class="(\\S+)")?(>[\\s\\S]*?</\\2>))',"gm");text=text.replace(blockRe,function(wholeMatch,k,tag,cls,rest){if(!tag)return"";var key=parseInt(k,10);var attributes=self.hashBlocks[key];var id=attributes.match(/#[^\s{}]+/g)||[];var idStr=id[0]?' id="'+id[0].substr(1,id[0].length-1)+'"':"";var classes=attributes.match(/\.[^\s{}]+/g)||[];for(var i=0;i<classes.length;i++)classes[i]=classes[i].substr(1,classes[i].length-1);var classStr="";if(cls)classes=union(classes,[cls]);if(classes.length>0)classStr=' class="'+classes.join(" ")+'"';return"<"+tag+idStr+classStr+rest});return text};Markdown.Extra.prototype.tables=function(text){var self=this;var leadingPipe=new RegExp(["^","[ ]{0,3}","[|]","(.+)\\n","[ ]{0,3}","[|]([ ]*[-:]+[-| :]*)\\n","(","(?:[ ]*[|].*\\n?)*",")","(?:\\n|$)"].join(""),"gm");var noLeadingPipe=new RegExp(["^","[ ]{0,3}","(\\S.*[|].*)\\n","[ ]{0,3}","([-:]+[ ]*[|][-| :]*)\\n","(","(?:.*[|].*\\n?)*",")","(?:\\n|$)"].join(""),"gm");text=text.replace(leadingPipe,doTable);text=text.replace(noLeadingPipe,doTable);function doTable(match,header,separator,body,offset,string){header=header.replace(/^ *[|]/m,"");separator=separator.replace(/^ *[|]/m,"");body=body.replace(/^ *[|]/gm,"");header=header.replace(/[|] *$/m,"");separator=separator.replace(/[|] *$/m,"");body=body.replace(/[|] *$/gm,"");alignspecs=separator.split(/ *[|] */);align=[];for(var i=0;i<alignspecs.length;i++){var spec=alignspecs[i];if(spec.match(/^ *-+: *$/m))align[i]=' style="text-align:right;"';else if(spec.match(/^ *:-+: *$/m))align[i]=' style="text-align:center;"';else if(spec.match(/^ *:-+ *$/m))align[i]=' style="text-align:left;"';else align[i]=""}var headers=header.split(/ *[|] */);var colCount=headers.length;var cls=self.tableClass?' class="'+self.tableClass+'"':"";var html=["<table",cls,">\n","<thead>\n","<tr>\n"].join("");for(i=0;i<colCount;i++){var headerHtml=convertSpans(trim(headers[i]),self);html+=[" <th",align[i],">",headerHtml,"</th>\n"].join("")}html+="</tr>\n</thead>\n";var rows=body.split("\n");for(i=0;i<rows.length;i++){if(rows[i].match(/^\s*$/))continue;var rowCells=rows[i].split(/ *[|] */);var lenDiff=colCount-rowCells.length;for(var j=0;j<lenDiff;j++)rowCells.push("");html+="<tr>\n";for(j=0;j<colCount;j++){var colHtml=convertSpans(trim(rowCells[j]),self);html+=[" <td",align[j],">",colHtml,"</td>\n"].join("")}html+="</tr>\n"}html+="</table>\n";return self.hashExtraBlock(html)}return text};Markdown.Extra.prototype.fencedCodeBlocks=function(text){function encodeCode(code){code=code.replace(/&/g,"&");code=code.replace(/</g,"<");code=code.replace(/>/g,">");code=code.replace(/~D/g,"$$");code=code.replace(/~T/g,"~");return code}var self=this;text=text.replace(/(?:^|\n)```(.*)\n([\s\S]*?)\n```/g,function(match,m1,m2){var language=m1,codeblock=m2;var preclass=self.googleCodePrettify?' class="prettyprint"':"";var codeclass="";if(language){if(self.googleCodePrettify||self.highlightJs){codeclass=' class="language-'+language+'"'}else{codeclass=' class="'+language+'"'}}var html=["<pre",preclass,"><code",codeclass,">",encodeCode(codeblock),"</code></pre>"].join("");return self.hashExtraBlock(html)});return text};Markdown.Extra.prototype.definitionLists=function(text){var wholeList=new RegExp(["(\\x02\\n?|\\n\\n)","(?:","(","(","[ ]{0,3}","((?:[ \\t]*\\S.*\\n)+)","\\n?","[ ]{0,3}:[ 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i=0;i<terms.length;i++){var term=terms[i];term=convertSpans(trim(term),self);text+="\n<dt>"+term+"</dt>"}return text+"\n"});listStr=listStr.replace(dd,function(match,leadingLine,markerSpace,def){if(leadingLine||def.match(/\n{2,}/)){def=Array(markerSpace.length+1).join(" ")+def;def=outdent(def)+"\n\n";def="\n"+convertAll(def,self)+"\n"}else{def=rtrim(def);def=convertSpans(outdent(def),self)}return"\n<dd>"+def+"</dd>\n"});return removeAnchors(listStr)}})(); |