// Markdown.Converter.js var Markdown;if(typeof exports==="object"&&typeof require==="function"){Markdown=exports}else{Markdown={}}(function(){function identity(x){return x}function returnFalse(x){return false}function HookCollection(){}HookCollection.prototype={chain:function(hookname,func){var original=this[hookname];if(!original){throw new Error("unknown hook "+hookname)}if(original===identity){this[hookname]=func}else{this[hookname]=function(text){var args=Array.prototype.slice.call(arguments,0);args[0]=original.apply(null,args);return func.apply(null,args)}}},set:function(hookname,func){if(!this[hookname]){throw new Error("unknown hook "+hookname)}this[hookname]=func},addNoop:function(hookname){this[hookname]=identity},addFalse:function(hookname){this[hookname]=returnFalse}};Markdown.HookCollection=HookCollection;function SaveHash(){}SaveHash.prototype={set:function(key,value){this["s_"+key]=value},get:function(key){return this["s_"+key]}};Markdown.Converter=function(){var options={};this.setOptions=function(optionsParam){options=optionsParam};var pluginHooks=this.hooks=new HookCollection();pluginHooks.addNoop("plainLinkText");pluginHooks.addNoop("preConversion");pluginHooks.addNoop("postNormalization");pluginHooks.addNoop("preBlockGamut");pluginHooks.addNoop("postBlockGamut");pluginHooks.addNoop("preSpanGamut");pluginHooks.addNoop("postSpanGamut");pluginHooks.addNoop("postConversion");var g_urls;var g_titles;var g_html_blocks;var g_list_level;this.makeHtml=function(text){if(g_urls){throw new Error("Recursive call to converter.makeHtml")}g_urls=new SaveHash();g_titles=new SaveHash();g_html_blocks=[];g_list_level=0;text=pluginHooks.preConversion(text);text=text.replace(/~/g,"~T");text=text.replace(/\$/g,"~D");text=text.replace(/\r\n/g,"\n");text=text.replace(/\r/g,"\n");text="\n\n"+text+"\n\n";text=_Detab(text);text=text.replace(/^[ \t]+$/mg,"");text=pluginHooks.postNormalization(text);text=_HashHTMLBlocks(text);text=_StripLinkDefinitions(text);text=_RunBlockGamut(text);text=_UnescapeSpecialChars(text);text=text.replace(/~D/g,"$$");text=text.replace(/~T/g,"~");text=pluginHooks.postConversion(text);g_html_blocks=g_titles=g_urls=null;return text};function _StripLinkDefinitions(text){text=text.replace(/^[ ]{0,3}\[(.+)\]:[ \t]*\n?[ \t]*?(?=\s|$)[ \t]*\n?[ \t]*((\n*)["(](.+?)[")][ \t]*)?(?:\n+)/gm,function(wholeMatch,m1,m2,m3,m4,m5){m1=m1.toLowerCase();g_urls.set(m1,_EncodeAmpsAndAngles(m2));if(m4){return m3}else{if(m5){g_titles.set(m1,m5.replace(/"/g,"""))}}return""});return text}function _HashHTMLBlocks(text){var block_tags_a="p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|ins|del";var block_tags_b="p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math";text=text.replace(/^(<(p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|ins|del)\b[^\r]*?\n<\/\2>[ \t]*(?=\n+))/gm,hashElement);text=text.replace(/^(<(p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math)\b[^\r]*?<\/\2>[ \t]*(?=\n+)\n)/gm,hashElement);text=text.replace(/\n[ ]{0,3}((<(hr)\b([^<>])*?\/?>)[ \t]*(?=\n{2,}))/g,hashElement);text=text.replace(/\n\n[ ]{0,3}(-]|-[^>])(?:[^-]|-[^-])*)--)>[ \t]*(?=\n{2,}))/g,hashElement);text=text.replace(/(?:\n\n)([ ]{0,3}(?:<([?%])[^\r]*?\2>)[ \t]*(?=\n{2,}))/g,hashElement);return text}function hashElement(wholeMatch,m1){var blockText=m1;blockText=blockText.replace(/^\n+/,"");blockText=blockText.replace(/\n+$/g,"");blockText="\n\n~K"+(g_html_blocks.push(blockText)-1)+"K\n\n";return blockText}var blockGamutHookCallback=function(t){return _RunBlockGamut(t)};function _RunBlockGamut(text,doNotUnhash){text=pluginHooks.preBlockGamut(text,blockGamutHookCallback);text=_DoHeaders(text);var replacement="
\n";text=text.replace(/^[ ]{0,2}([ ]?\*[ ]?){3,}[ \t]*$/gm,replacement);text=text.replace(/^[ ]{0,2}([ ]?-[ ]?){3,}[ \t]*$/gm,replacement);text=text.replace(/^[ ]{0,2}([ ]?_[ ]?){3,}[ \t]*$/gm,replacement);text=_DoLists(text);text=_DoCodeBlocks(text);text=_DoBlockQuotes(text);text=pluginHooks.postBlockGamut(text,blockGamutHookCallback);text=_HashHTMLBlocks(text);text=_FormParagraphs(text,doNotUnhash);return text}function _RunSpanGamut(text){text=pluginHooks.preSpanGamut(text);text=_DoCodeSpans(text);text=_EscapeSpecialCharsWithinTagAttributes(text);text=_EncodeBackslashEscapes(text);text=_DoImages(text);text=_DoAnchors(text);text=_DoAutoLinks(text);text=text.replace(/~P/g,"://");text=_EncodeAmpsAndAngles(text);text=options._DoItalicsAndBold?options._DoItalicsAndBold(text):_DoItalicsAndBold(text);text=text.replace(/ +\n/g,"
\n");text=pluginHooks.postSpanGamut(text);return text}function _EscapeSpecialCharsWithinTagAttributes(text){var regex=/(<[a-z\/!$]("[^"]*"|'[^']*'|[^'">])*>|-]|-[^>])(?:[^-]|-[^-])*)--)>)/gi;text=text.replace(regex,function(wholeMatch){var tag=wholeMatch.replace(/(.)<\/?code>(?=.)/g,"$1`");tag=escapeCharacters(tag,wholeMatch.charAt(1)=="!"?"\\`*_/":"\\`*_"); return tag});return text}function _DoAnchors(text){text=text.replace(/(\[((?:\[[^\]]*\]|[^\[\]])*)\][ ]?(?:\n[ ]*)?\[(.*?)\])()()()()/g,writeAnchorTag);text=text.replace(/(\[((?:\[[^\]]*\]|[^\[\]])*)\]\([ \t]*()?[ \t]*((['"])(.*?)\6[ \t]*)?\))/g,writeAnchorTag);text=text.replace(/(\[([^\[\]]+)\])()()()()()/g,writeAnchorTag);return text}function writeAnchorTag(wholeMatch,m1,m2,m3,m4,m5,m6,m7){if(m7==undefined){m7=""}var whole_match=m1;var link_text=m2.replace(/:\/\//g,"~P");var link_id=m3.toLowerCase();var url=m4;var title=m7;if(url==""){if(link_id==""){link_id=link_text.toLowerCase().replace(/ ?\n/g," ")}url="#"+link_id;if(g_urls.get(link_id)!=undefined){url=g_urls.get(link_id);if(g_titles.get(link_id)!=undefined){title=g_titles.get(link_id)}}else{if(whole_match.search(/\(\s*\)$/m)>-1){url=""}else{return whole_match}}}url=encodeProblemUrlChars(url);url=escapeCharacters(url,"*_");var result='";return result}function _DoImages(text){text=text.replace(/(!\[(.*?)\][ ]?(?:\n[ ]*)?\[(.*?)\])()()()()/g,writeImageTag);text=text.replace(/(!\[(.*?)\]\s?\([ \t]*()?[ \t]*((['"])(.*?)\6[ \t]*)?\))/g,writeImageTag);return text}function attributeEncode(text){return text.replace(/>/g,">").replace(/"+_RunSpanGamut(m1)+"\n\n"});text=text.replace(/^(.+)[ \t]*\n-+[ \t]*\n+/gm,function(matchFound,m1){return"

"+_RunSpanGamut(m1)+"

\n\n"});text=text.replace(/^(\#{1,6})[ \t]*(.+?)[ \t]*\#*\n+/gm,function(wholeMatch,m1,m2){var h_level=m1.length;return""+_RunSpanGamut(m2)+"\n\n"});return text}function _DoLists(text,isInsideParagraphlessListItem){text+="~0";var whole_list=/^(([ ]{0,3}([*+-]|\d+[.])[ \t]+)[^\r]+?(~0|\n{2,}(?=\S)(?![ \t]*(?:[*+-]|\d+[.])[ \t]+)))/gm;if(g_list_level){text=text.replace(whole_list,function(wholeMatch,m1,m2){var list=m1;var list_type=(m2.search(/[*+-]/g)>-1)?"ul":"ol";var result=_ProcessListItems(list,list_type,isInsideParagraphlessListItem);result=result.replace(/\s+$/,"");result="<"+list_type+">"+result+"\n";return result})}else{whole_list=/(\n\n|^\n?)(([ ]{0,3}([*+-]|\d+[.])[ \t]+)[^\r]+?(~0|\n{2,}(?=\S)(?![ \t]*(?:[*+-]|\d+[.])[ \t]+)))/g;text=text.replace(whole_list,function(wholeMatch,m1,m2,m3){var runup=m1;var list=m2;var list_type=(m3.search(/[*+-]/g)>-1)?"ul":"ol";var result=_ProcessListItems(list,list_type);result=runup+"<"+list_type+">\n"+result+"\n";return result})}text=text.replace(/~0/,"");return text}var _listItemMarkers={ol:"\\d+[.]",ul:"[*+-]"};function _ProcessListItems(list_str,list_type,isInsideParagraphlessListItem){g_list_level++;list_str=list_str.replace(/\n{2,}$/,"\n");list_str+="~0";var marker=_listItemMarkers[list_type];var re=new RegExp("(^[ \\t]*)("+marker+")[ \\t]+([^\\r]+?(\\n+))(?=(~0|\\1("+marker+")[ \\t]+))","gm");var last_item_had_a_double_newline=false;list_str=list_str.replace(re,function(wholeMatch,m1,m2,m3){var item=m3;var leading_space=m1;var ends_with_double_newline=/\n\n$/.test(item);var contains_double_newline=ends_with_double_newline||item.search(/\n{2,}/)>-1;if(contains_double_newline||last_item_had_a_double_newline){item=_RunBlockGamut(_Outdent(item),true)}else{item=_DoLists(_Outdent(item),true);item=item.replace(/\n$/,"");if(!isInsideParagraphlessListItem){item=_RunSpanGamut(item)}}last_item_had_a_double_newline=ends_with_double_newline;return"
  • "+item+"
  • \n"});list_str=list_str.replace(/~0/g,"");g_list_level--;return list_str}function _DoCodeBlocks(text){text+="~0";text=text.replace(/(?:\n\n|^\n?)((?:(?:[ ]{4}|\t).*\n+)+)(\n*[ ]{0,3}[^ \t\n]|(?=~0))/g,function(wholeMatch,m1,m2){var codeblock=m1;var nextChar=m2;codeblock=_EncodeCode(_Outdent(codeblock));codeblock=_Detab(codeblock);codeblock=codeblock.replace(/^\n+/g,"");codeblock=codeblock.replace(/\n+$/g,"");codeblock="
    "+codeblock+"\n
    ";return"\n\n"+codeblock+"\n\n"+nextChar});text=text.replace(/~0/,"");return text}function hashBlock(text){text=text.replace(/(^\n+|\n+$)/g,"");return"\n\n~K"+(g_html_blocks.push(text)-1)+"K\n\n" }function _DoCodeSpans(text){text=text.replace(/(^|[^\\])(`+)([^\r]*?[^`])\2(?!`)/gm,function(wholeMatch,m1,m2,m3,m4){var c=m3;c=c.replace(/^([ \t]*)/g,"");c=c.replace(/[ \t]*$/g,"");c=_EncodeCode(c);c=c.replace(/:\/\//g,"~P");return m1+""+c+""});return text}function _EncodeCode(text){text=text.replace(/&/g,"&");text=text.replace(//g,">");text=escapeCharacters(text,"*_{}[]\\",false);return text}function _DoItalicsAndBold(text){text=text.replace(/([\W_]|^)(\*\*|__)(?=\S)([^\r]*?\S[\*_]*)\2([\W_]|$)/g,"$1$3$4");text=text.replace(/([\W_]|^)(\*|_)(?=\S)([^\r\*_]*?\S)\2([\W_]|$)/g,"$1$3$4");return text}function _DoBlockQuotes(text){text=text.replace(/((^[ \t]*>[ \t]?.+\n(.+\n)*\n*)+)/gm,function(wholeMatch,m1){var bq=m1;bq=bq.replace(/^[ \t]*>[ \t]?/gm,"~0");bq=bq.replace(/~0/g,"");bq=bq.replace(/^[ \t]+$/gm,"");bq=_RunBlockGamut(bq);bq=bq.replace(/(^|\n)/g,"$1 ");bq=bq.replace(/(\s*
    [^\r]+?<\/pre>)/gm,function(wholeMatch,m1){var pre=m1;pre=pre.replace(/^  /mg,"~0");pre=pre.replace(/~0/g,"");return pre});return hashBlock("
    \n"+bq+"\n
    ")});return text}function _FormParagraphs(text,doNotUnhash){text=text.replace(/^\n+/g,"");text=text.replace(/\n+$/g,"");var grafs=text.split(/\n{2,}/g);var grafsOut=[];var markerRe=/~K(\d+)K/;var end=grafs.length;for(var i=0;i");str+="

    ";grafsOut.push(str)}}}if(!doNotUnhash){end=grafsOut.length;for(var i=0;i#+-.!])/g,escapeCharacters_callback);return text}var charInsideUrl="[-A-Z0-9+&@#/%?=~_|[\\]()!:,.;]",charEndingUrl="[-A-Z0-9+&@#/%=~_|[\\])]",autoLinkRegex=new RegExp('(="|<)?\\b(https?|ftp)(://'+charInsideUrl+"*"+charEndingUrl+")(?=$|\\W)","gi"),endCharRegex=new RegExp(charEndingUrl,"i");function handleTrailingParens(wholeMatch,lookbehind,protocol,link){if(lookbehind){return wholeMatch}if(link.charAt(link.length-1)!==")"){return"<"+protocol+link+">"}var parens=link.match(/[()]/g);var level=0;for(var i=0;i"+tail}function _DoAutoLinks(text){text=text.replace(autoLinkRegex,handleTrailingParens);var replacer=function(wholematch,m1){return'
    '+pluginHooks.plainLinkText(m1)+""};text=text.replace(/<((https?|ftp):[^'">\s]+)>/gi,replacer);return text}function _UnescapeSpecialChars(text){text=text.replace(/~E(\d+)E/g,function(wholeMatch,m1){var charCodeToReplace=parseInt(m1);return String.fromCharCode(charCodeToReplace)});return text}function _Outdent(text){text=text.replace(/^(\t|[ ]{1,4})/gm,"~0");text=text.replace(/~0/g,"");return text}function _Detab(text){if(!/\t/.test(text)){return text}var spaces=[" "," "," "," "],skew=0,v;return text.replace(/[\n\t]/g,function(match,offset){if(match==="\n"){skew=offset+1;return match}v=(offset-skew)%4;skew=offset+1;return spaces[v]})}var _problemUrlChars=/(?:["'*()[\]:]|~D)/g;function encodeProblemUrlChars(url){if(!url){return""}var len=url.length;return url.replace(_problemUrlChars,function(match,offset){if(match=="~D"){return"%24"}if(match==":"){return":"}return"%"+match.charCodeAt(0).toString(16)})}function escapeCharacters(text,charsToEscape,afterBackslash){var regexString="(["+charsToEscape.replace(/([\[\]\\])/g,"\\$1")+"])";if(afterBackslash){regexString="\\\\"+regexString}var regex=new RegExp(regexString,"g");text=text.replace(regex,escapeCharacters_callback);return text}function escapeCharacters_callback(wholeMatch,m1){var charCodeToEscape=m1.charCodeAt(0);return"~E"+charCodeToEscape+"E"}}})(); // Markdown.Extra.js (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]*>?/gi,function(tag){return tag.match(whitelist)?tag:""})}function union(x,y){var obj={};for(var i=0;i~X"+(this.hashBlocks.push(block)-1)+"X

    \n"};Markdown.Extra.prototype.hashExtraInline=function(block){return"~X"+(this.hashBlocks.push(block)-1)+"X"};Markdown.Extra.prototype.unHashExtraBlocks=function(text){var self=this;function recursiveUnHash(){var hasHash=false;text=text.replace(/(?:

    )?~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.wrapHeaders=function(text){function wrap(text){return"\n"+text+"\n"}text=text.replace(/^.+[ \t]*\n=+[ \t]*\n+/gm,wrap);text=text.replace(/^.+[ \t]*\n-+[ \t]*\n+/gm,wrap);text=text.replace(/^\#{1,6}[ \t]*.+?[ \t]*\#*\n+/gm,wrap);return text};var attrBlock="\\{[ \\t]*((?:[#.][-_:a-zA-Z0-9]+[ \\t]*)+)\\}";var hdrAttributesA=new RegExp("^(#{1,6}.*#{0,6})[ \\t]+"+attrBlock+"[ \\t]*(?:\\n|0x03)","gm");var hdrAttributesB=new RegExp("^(.*)[ \\t]+"+attrBlock+"[ \\t]*\\n"+"(?=[\\-|=]+\\s*(?:\\n|0x03))","gm");var fcbAttributes=new RegExp("^(```[^`\\n]*)[ \\t]+"+attrBlock+"[ \\t]*\\n"+"(?=([\\s\\S]*?)\\n```[ \\t]*(\\n|0x03))","gm");Markdown.Extra.prototype.hashHeaderAttributeBlocks=function(text){var self=this;function attributeCallback(wholeMatch,pre,attr){return"

    ~XX"+(self.hashBlocks.push(attr)-1)+"XX

    \n"+pre+"\n"}text=text.replace(hdrAttributesA,attributeCallback);text=text.replace(hdrAttributesB,attributeCallback);return text};Markdown.Extra.prototype.hashFcbAttributeBlocks=function(text){var self=this;function attributeCallback(wholeMatch,pre,attr){return"

    ~XX"+(self.hashBlocks.push(attr)-1)+"XX

    \n"+pre+"\n"}return text.replace(fcbAttributes,attributeCallback)};Markdown.Extra.prototype.applyAttributeBlocks=function(text){var self=this;var blockRe=new RegExp("

    ~XX(\\d+)XX

    [\\s]*"+'(?:<(h[1-6]|pre)(?: +class="(\\S+)")?(>[\\s\\S]*?))',"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;i0){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\n","\n","\n"].join("");for(i=0;i",headerHtml,"\n"].join("")}html+="\n\n";var rows=body.split("\n");for(i=0;i\n";for(j=0;j",colHtml,"\n"].join("")}html+="\n"}html+="\n";return self.hashExtraBlock(html)}return text};Markdown.Extra.prototype.stripFootnoteDefinitions=function(text){var self=this;text=text.replace(/\n[ ]{0,3}\[\^(.+?)\]\:[ \t]*\n?([\s\S]*?)\n{1,2}((?=\n[ ]{0,3}\S)|$)/g,function(wholeMatch,m1,m2){m1=slugify(m1);m2+="\n";m2=m2.replace(/^[ ]{0,3}/g,"");self.footnotes[m1]=m2;return"\n"});return text};Markdown.Extra.prototype.doFootnotes=function(text){var self=this;if(self.isConvertingFootnote===true){return text}var footnoteCounter=0;text=text.replace(/\[\^(.+?)\]/g,function(wholeMatch,m1){var id=slugify(m1);var footnote=self.footnotes[id]; if(footnote===undefined){return wholeMatch}footnoteCounter++;self.usedFootnotes.push(id);var html=''+footnoteCounter+"";return self.hashExtraInline(html)});return text};Markdown.Extra.prototype.printFootnotes=function(text){var self=this;if(self.usedFootnotes.length===0){return text}text+='\n\n
    \n
    \n
      \n\n';for(var i=0;i'+formattedfootnote+' \n\n'}text+="
    \n
    ";return text};Markdown.Extra.prototype.fencedCodeBlocks=function(text){function encodeCode(code){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]*)\n([\s\S]*?)\n```[ \t]*(?=\n)/g,function(match,m1,m2){var language=trim(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=["",encodeCode(codeblock),"
    "].join("");return self.hashExtraBlock(html)});return text};Markdown.Extra.prototype.educatePants=function(text){var self=this;var result="";var blockOffset=0;text.replace(/(?:)|(<)([a-zA-Z1-6]+)([^\n]*?>)([\s\S]*?)(<\/\2>)/g,function(wholeMatch,m1,m2,m3,m4,m5,offset){var token=text.substring(blockOffset,offset);result+=self.applyPants(token);self.smartyPantsLastChar=result.substring(result.length-1);blockOffset=offset+wholeMatch.length;if(!m1){result+=wholeMatch;return}if(!/code|kbd|pre|script|noscript|iframe|math|ins|del|pre/i.test(m2)){m4=self.educatePants(m4)}else{self.smartyPantsLastChar=m4.substring(m4.length-1)}result+=m1+m2+m3+m4+m5});var lastToken=text.substring(blockOffset);result+=self.applyPants(lastToken);self.smartyPantsLastChar=result.substring(result.length-1);return result};function revertPants(wholeMatch,m1){var blockText=m1;blockText=blockText.replace(/&\#8220;/g,'"');blockText=blockText.replace(/&\#8221;/g,'"');blockText=blockText.replace(/&\#8216;/g,"'");blockText=blockText.replace(/&\#8217;/g,"'");blockText=blockText.replace(/&\#8212;/g,"---");blockText=blockText.replace(/&\#8211;/g,"--");blockText=blockText.replace(/&\#8230;/g,"...");return blockText}Markdown.Extra.prototype.applyPants=function(text){text=text.replace(/---/g,"—").replace(/--/g,"–");text=text.replace(/\.\.\./g,"…").replace(/\.\s\.\s\./g,"…");text=text.replace(/``/g,"“").replace(/''/g,"”");if(/^'$/.test(text)){if(/\S/.test(this.smartyPantsLastChar)){return"’"}return"‘"}if(/^"$/.test(text)){if(/\S/.test(this.smartyPantsLastChar)){return"”"}return"“"}text=text.replace(/^'(?=[!"#\$\%'()*+,\-.\/:;<=>?\@\[\\]\^_`{|}~]\B)/,"’");text=text.replace(/^"(?=[!"#\$\%'()*+,\-.\/:;<=>?\@\[\\]\^_`{|}~]\B)/,"”");text=text.replace(/"'(?=\w)/g,"“‘");text=text.replace(/'"(?=\w)/g,"‘“");text=text.replace(/'(?=\d{2}s)/g,"’");text=text.replace(/(\s| |--|&[mn]dash;|&\#8211;|&\#8212;|&\#x201[34];)'(?=\w)/g,"$1‘");text=text.replace(/([^\s\[\{\(\-])'/g,"$1’");text=text.replace(/'(?=\s|s\b)/g,"’");text=text.replace(/'/g,"‘");text=text.replace(/(\s| |--|&[mn]dash;|&\#8211;|&\#8212;|&\#x201[34];)"(?=\w)/g,"$1“");text=text.replace(/([^\s\[\{\(\-])"/g,"$1”");text=text.replace(/"(?=\s)/g,"”");text=text.replace(/"/ig,"“");return text};Markdown.Extra.prototype.runSmartyPants=function(text){this.smartyPantsLastChar="";text=this.educatePants(text);text=text.replace(/(<([a-zA-Z1-6]+)\b([^\n>]*?)(\/)?>)/g,revertPants);return text};Markdown.Extra.prototype.definitionLists=function(text){var wholeList=new RegExp(["(\\x02\\n?|\\n\\n)","(?:","(","(","[ ]{0,3}","((?:[ \\t]*\\S.*\\n)+)","\\n?","[ ]{0,3}:[ ]+",")","([\\s\\S]+?)","(","(?=\\0x03)","|","(?=","\\n{2,}","(?=\\S)","(?!","[ ]{0,3}","(?:\\S.*\\n)+?","\\n?","[ ]{0,3}:[ ]+",")","(?!","[ ]{0,3}:[ ]+",")",")",")",")",")"].join(""),"gm");var self=this;text=addAnchors(text);text=text.replace(wholeList,function(match,pre,list){var result=trim(self.processDefListItems(list));result="
    \n"+result+"\n
    ";return pre+self.hashExtraBlock(result)+"\n\n"});return removeAnchors(text)};Markdown.Extra.prototype.processDefListItems=function(listStr){var self=this;var dt=new RegExp(["(\\x02\\n?|\\n\\n+)","(","[ ]{0,3}","(?![:][ ]|[ ])","(?:\\S.*\\n)+?",")","(?=\\n?[ ]{0,3}:[ ])"].join(""),"gm");var dd=new RegExp(["\\n(\\n+)?","(","[ ]{0,3}","[:][ ]+",")","([\\s\\S]+?)","(?=\\n*","(?:","\\n[ ]{0,3}[:][ ]|","
    |\\x03",")",")"].join(""),"gm"); listStr=addAnchors(listStr);listStr=listStr.replace(/\n{2,}(?=\\x03)/,"\n");listStr=listStr.replace(dt,function(match,pre,termsStr){var terms=trim(termsStr).split("\n");var text="";for(var i=0;i"+term+"
    "}return text+"\n"});listStr=listStr.replace(dd,function(match,leadingLine,markerSpace,def){if(leadingLine||def.match(/\n{2,}/)){def=Array(markerSpace.length+1).join(" ")+def;def=outdent(def)+"\n\n";def="\n"+convertAll(def,self)+"\n"}else{def=rtrim(def);def=convertSpans(outdent(def),self)}return"\n
    "+def+"
    \n"});return removeAnchors(listStr)};Markdown.Extra.prototype.strikethrough=function(text){return text.replace(/([\W_]|^)~T~T(?=\S)([^\r]*?\S[\*_]*)~T~T([\W_]|$)/g,"$1$2$3")};Markdown.Extra.prototype.newlines=function(text){return text.replace(/(<(?:br|\/li)>)?\n/g,function(wholeMatch,previousTag){return previousTag?wholeMatch:"
    \n"})}})(); (function() { // Create the converter and the editor var converter = new Markdown.Converter(); var options = { _DoItalicsAndBold: function(text) { // Restore original markdown implementation text = text.replace(/(\*\*|__)(?=\S)(.+?[*_]*)(?=\S)\1/g, "$2"); text = text.replace(/(\*|_)(?=\S)(.+?)(?=\S)\1/g, "$2"); return text; } }; converter.setOptions(options); function loadJs(src, callback) { var _doc = document.getElementsByTagName('head')[0]; var script = document.createElement('script'); script.setAttribute('type', 'text/javascript'); script.setAttribute('src', src); _doc.appendChild(script); script.onload = script.onreadystatechange = function() { if(!this.readyState || this.readyState=='loaded' || this.readyState=='complete'){ callback && callback(); } script.onload = script.onreadystatechange = null; } } function _each(list, callback) { if(list && list.length > 0) { for(var i = 0; i < list.length; i++) { callback(list[i]); } } } function _has(obj, key) { return hasOwnProperty.call(obj, key); }; // markdown extra function initMarkdownExtra() { // Create the converter and the editor // var converter = new Markdown.Converter(); var options = { _DoItalicsAndBold: function(text) { // Restore original markdown implementation text = text.replace(/(\*\*|__)(?=\S)(.+?[*_]*)(?=\S)\1/g, "$2"); text = text.replace(/(\*|_)(?=\S)(.+?)(?=\S)\1/g, "$2"); return text; } }; converter.setOptions(options); //================ // markdown exstra var markdownExtra = {}; markdownExtra.config = { extensions: [ "fenced_code_gfm", "tables", "def_list", "attr_list", "footnotes", "smartypants", "strikethrough", "newlines" ], intraword: true, comments: true, highlighter: "highlight" }; var extraOptions = { extensions: markdownExtra.config.extensions, highlighter: "prettify" }; if(markdownExtra.config.intraword === true) { var converterOptions = { _DoItalicsAndBold: function(text) { text = text.replace(/([^\w*]|^)(\*\*|__)(?=\S)(.+?[*_]*)(?=\S)\2(?=[^\w*]|$)/g, "$1$3"); text = text.replace(/([^\w*]|^)(\*|_)(?=\S)(.+?)(?=\S)\2(?=[^\w*]|$)/g, "$1$3"); // Redo bold to handle _**word**_ text = text.replace(/([^\w*]|^)(\*\*|__)(?=\S)(.+?[*_]*)(?=\S)\2(?=[^\w*]|$)/g, "$1$3"); return text; } }; converter.setOptions(converterOptions); } if(markdownExtra.config.comments === true) { converter.hooks.chain("postConversion", function(text) { return text.replace(//g, function(wholeMatch) { return wholeMatch.replace(/^$/, ' $1 '); }); }); } // email & todolist converter.hooks.chain("postConversion", function(text) { // email text = text.replace(/<(mailto\:)?([^\s>]+@[^\s>]+\.\S+?)>/g, function(match, mailto, email) { return '' + email + ''; }); // todolist text = text.replace(/
  • (

    )?\[([ xX]?)\] /g, function(matched, p, b) { p || (p = ''); return !(b == 'x' || b == 'X') ? '

  • ' + p + ' ' : '
  • ' + p + ' ' }); return text; }); Markdown.Extra.init(converter, extraOptions); } //============== // toc start function initToc() { var toc = {}; toc.config = { marker: "\\[(TOC|toc)\\]", maxDepth: 6, button: true, }; // TOC element description function TocElement(tagName, anchor, text) { this.tagName = tagName; this.anchor = anchor; this.text = text; this.children = []; } TocElement.prototype.childrenToString = function() { if(this.children.length === 0) { return ""; } var result = "\n"; return result; }; TocElement.prototype.toString = function() { var result = "
  • "; if(this.anchor && this.text) { result += '' + this.text + ''; } result += this.childrenToString() + "
  • \n"; return result; }; // Transform flat list of TocElement into a tree function groupTags(array, level) { level = level || 1; var tagName = "H" + level; var result = []; var currentElement; function pushCurrentElement() { if(currentElement !== undefined) { if(currentElement.children.length > 0) { currentElement.children = groupTags(currentElement.children, level + 1); } result.push(currentElement); } } _each(array, function(element) { if(element.tagName != tagName) { if(level !== toc.config.maxDepth) { if(currentElement === undefined) { currentElement = new TocElement(); } currentElement.children.push(element); } } else { pushCurrentElement(); currentElement = element; } }); pushCurrentElement(); return result; } var utils = {}; var nonWordChars = new RegExp('[^\\p{L}\\p{N}-]', 'g'); utils.slugify = function(text) { return text.toLowerCase().replace(/\s/g, '-') // Replace spaces with - .replace(nonWordChars, '') // Remove all non-word chars .replace(/\-\-+/g, '-') // Replace multiple - with single - .replace(/^-+/, '') // Trim - from start of text .replace(/-+$/, ''); // Trim - from end of text }; // Build the TOC var previewContentsElt; function buildToc(previewContentsElt) { var anchorList = {}; function createAnchor(element) { var id = element.id || utils.slugify(element.textContent) || 'title'; var anchor = id; var index = 0; while (_has(anchorList, anchor)) { anchor = id + "-" + (++index); } anchorList[anchor] = true; // Update the id of the element element.id = anchor; return anchor; } var elementList = []; _each(previewContentsElt.querySelectorAll('h1, h2, h3, h4, h5, h6'), function(elt) { elementList.push(new TocElement(elt.tagName, createAnchor(elt), elt.textContent)); }); elementList = groupTags(elementList); return '
    \n\n
    \n'; } toc.convert = function(previewContentsElt) { var tocExp = new RegExp("^\\s*" + toc.config.marker + "\\s*$"); var tocEltList = document.querySelectorAll('.table-of-contents, .toc'); var htmlToc = buildToc(previewContentsElt); // Replace toc paragraphs _each(previewContentsElt.getElementsByTagName('p'), function(elt) { if(tocExp.test(elt.innerHTML)) { elt.innerHTML = htmlToc; } }); // Add toc in the TOC button _each(tocEltList, function(elt) { elt.innerHTML = htmlToc; }); } return toc; } //=========== // mathjax // function initMathJax() { // // 配置 // MathJax.Hub.Config({ // skipStartupTypeset: true, // "HTML-CSS": { // preferredFont: "TeX", // availableFonts: [ // "STIX", // "TeX" // ], // linebreaks: { // automatic: true // }, // EqnChunk: 10, // imageFont: null // }, // tex2jax: { inlineMath: [["$","$"],["\\\\(","\\\\)"]], displayMath: [["$$","$$"],["\\[","\\]"]], processEscapes: true }, // TeX: { // noUndefined: { // attributes: { // mathcolor: "red", // mathbackground: "#FFEEEE", // mathsize: "90%" // } // }, // Safe: { // allow: { // URLs: "safe", // classes: "safe", // cssIDs: "safe", // styles: "safe", // fontsize: "all" // } // } // }, // messageStyle: "none" // }); // var mathJax = {}; // mathJax.config = { // tex : "{}", // tex2jax: '{ inlineMath: [["$","$"],["\\\\\\\\(","\\\\\\\\)"]], displayMath: [["$$","$$"],["\\\\[","\\\\]"]], processEscapes: true }' // }; // mathJax.init = function(p) { // converter.hooks.chain("preConversion", removeMath); // converter.hooks.chain("postConversion", replaceMath); // }; // // From math.stackexchange.com... // // // // The math is in blocks i through j, so // // collect it into one block and clear the others. // // Replace &, <, and > by named entities. // // For IE, put
    at the ends of comments since IE removes \n. // // Clear the current math positions and store the index of the // // math, then push the math string onto the storage array. // // // function processMath(i, j, unescape) { // var block = blocks.slice(i, j + 1).join("") // .replace(/&/g, "&") // .replace(//g, ">"); // for(HUB.Browser.isMSIE && (block = block.replace(/(%[^\n]*)\n/g, "$1
    \n")); j > i;) // blocks[j] = "", j--; // blocks[i] = "@@" + math.length + "@@"; // unescape && (block = unescape(block)); // math.push(block); // start = end = last = null; // } // function removeMath(text) { // if(!text) { // return; // } // start = end = last = null; // math = []; // var unescape; // if(/`/.test(text)) { // text = text.replace(/~/g, "~T").replace(/(^|[^\\])(`+)([^\n]*?[^`\n])\2(?!`)/gm, function(text) { // return text.replace(/\$/g, "~D") // }); // unescape = function(text) { // return text.replace(/~([TD])/g, // function(match, n) { // return {T: "~", D: "$"}[n] // }) // }; // } else { // unescape = function(text) { // return text // }; // } // // // // The pattern for math delimiters and special symbols // // needed for searching for math in the page. // // // var splitDelimiter = /(\$\$?|\\(?:begin|end)\{[a-z]*\*?\}|\\[\\{}$]|[{}]|(?:\n\s*)+|@@\d+@@)/i; // var split; // if(3 === "aba".split(/(b)/).length) { // split = function(text, delimiter) { // return text.split(delimiter) // }; // } else { // split = function(text, delimiter) { // var b = [], c; // if(!delimiter.global) { // c = delimiter.toString(); // var d = ""; // c = c.replace(/^\/(.*)\/([im]*)$/, function(a, c, b) { // d = b; // return c // }); // delimiter = RegExp(c, d + "g") // } // for(var e = delimiter.lastIndex = 0; c = delimiter.exec(text);) { // b.push(text.substring(e, c.index)); // b.push.apply(b, c.slice(1)); // e = c.index + c[0].length; // } // b.push(text.substring(e)); // return b // }; // } // blocks = split(text.replace(/\r\n?/g, "\n"), splitDelimiter); // for(var i = 1, m = blocks.length; i < m; i += 2) { // var block = blocks[i]; // if("@" === block.charAt(0)) { // // // // Things that look like our math markers will get // // stored and then retrieved along with the math. // // // blocks[i] = "@@" + math.length + "@@"; // math.push(block) // } else if(start) { // // Ignore inline maths that are actually multiline (fixes #136) // if(end == inline && block.charAt(0) == '\n') { // if(last) { // i = last; // processMath(start, i, unescape); // } // start = end = last = null; // braces = 0; // } // // // // If we are in math, look for the end delimiter, // // but don't go past double line breaks, and // // and balance braces within the math. // // // else if(block === end) { // if(braces) { // last = i // } else { // processMath(start, i, unescape) // } // } else { // if(block.match(/\n.*\n/)) { // if(last) { // i = last; // processMath(start, i, unescape); // } // start = end = last = null; // braces = 0; // } else { // if("{" === block) { // braces++ // } else { // "}" === block && braces && braces-- // } // } // } // } else { // if(block === inline || "$$" === block) { // start = i; // end = block; // braces = 0; // } else { // if("begin" === block.substr(1, 5)) { // start = i; // end = "\\end" + block.substr(6); // braces = 0; // } // } // } // } // last && processMath(start, last, unescape); // return unescape(blocks.join("")); // } // // // // Put back the math strings that were saved, // // and clear the math array (no need to keep it around). // // // function replaceMath(text) { // text = text.replace(/@@(\d+)@@/g, function(match, n) { // return math[n] // }); // math = null; // return text // } // // // // This is run to restart MathJax after it has finished // // the previous run (that may have been canceled) // // // function startMJ(toElem, callback) { // var preview = toElem; // pending = false; // HUB.cancelTypeset = false; // HUB.Queue([ // "Typeset", // HUB, // preview // ]); // // 执行完后, 再执行 // HUB.Queue(function() { // callback && callback(); // }); // } // var ready = false, pending = false, preview = null, inline = "$", blocks, start, end, last, braces, math, HUB = MathJax.Hub; // // // // Runs after initial typeset // // // HUB.Queue(function() { // ready = true; // HUB.processUpdateTime = 50; // HUB.Config({"HTML-CSS": {EqnChunk: 10, EqnChunkFactor: 1}, SVG: {EqnChunk: 10, EqnChunkFactor: 1}}) // }); // mathJax.init(); // return { // convert: startMJ // } // } // function initUml() { // //=========== // // uml // var umlDiagrams = {}; // umlDiagrams.config = { // flowchartOptions: [ // '{', // ' "line-width": 2,', // ' "font-family": "sans-serif",', // ' "font-weight": "normal"', // '}' // ].join('\n') // }; // var _loadUmlJs = false; // // callback 执行完后执行 // umlDiagrams.convert = function(target, callback) { // var previewContentsElt = target; // var sequenceElems = previewContentsElt.querySelectorAll('.prettyprint > .language-sequence'); // var flowElems = previewContentsElt.querySelectorAll('.prettyprint > .language-flow'); // function convert() { // _each(sequenceElems, function(elt) { // try { // var diagram = Diagram.parse(elt.textContent); // var preElt = elt.parentNode; // var containerElt = crel('div', { // class: 'sequence-diagram' // }); // preElt.parentNode.replaceChild(containerElt, preElt); // diagram.drawSVG(containerElt, { // theme: 'simple' // }); // } // catch(e) { // console.trace(e); // } // }); // _each(flowElems, function(elt) { // try { // var chart = flowchart.parse(elt.textContent); // var preElt = elt.parentNode; // var containerElt = crel('div', { // class: 'flow-chart' // }); // preElt.parentNode.replaceChild(containerElt, preElt); // chart.drawSVG(containerElt, JSON.parse(umlDiagrams.config.flowchartOptions)); // } // catch(e) { // console.error(e); // } // }); // callback && callback(); // } // if(sequenceElems.length > 0 || flowElems.length > 0) { // if(!_loadUmlJs) { // loadJs('./libs/uml.js', function() { // _loadUmlJs = true; // convert(); // }); // } else { // convert(); // } // } else { // callback && callback(); // } // }; // return umlDiagrams; // } // extra是实时的, 同步进行 initMarkdownExtra(); var m; window.markdownToHtml = function(mdText, toElem, callback) { var _umlEnd = false; var _mathJaxEnd = false; // 如果是jQuery对象 if(toElem && !toElem['querySelectorAll'] && toElem['get']) { toElem = toElem.get(0); } if(!toElem || typeof toElem == 'function') { callback = toElem; toElem = document.createElement('div'); } function _go(mdText, toElem) { var htmlParsed = converter.makeHtml(mdText); toElem.innerHTML = htmlParsed; // 同步执行 var toc = initToc(); toc.convert(toElem); // 异步执行 // var umlDiagrams = initUml(); // umlDiagrams.convert(toElem, function() { // _umlEnd = true; // if(_mathJaxEnd) { // callback && callback(toElem.innerHTML); // } // }); } // 表示有mathjax? // 加载mathJax // if(mdText.indexOf('$') !== -1) { // loadJs("./libs/MathJax/MathJax.js?config=TeX-AMS_HTML", function() { // if(!m) { // var m = initMathJax(); // } // // 放到后面, 不然removeMathJax()不运行, bug // _go(mdText, toElem); // m.convert(toElem, function() { // _mathJaxEnd = true; // if(_umlEnd) { // callback && callback(toElem.innerHTML); // } // }); // }); // } else { // _mathJaxEnd = true; // _go(mdText, toElem); // } _go(mdText, toElem); } })();