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Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1289 lines
48 KiB
1289 lines
48 KiB
/**
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* marked v0.3.3 - a markdown parser
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* Copyright (c) 2011-2014, Christopher Jeffrey. (MIT Licensed)
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* https://github.com/chjj/marked
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备注,这个改动没启用,只是做个记录:
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br不转成br
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加了个 if (cap[0] != '</br>' && cap[0] != '<br>') { out+=this.options.sanitize?escape(cap[0]):cap[0]; }
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out+=this.renderer.em(this.output(cap[2]||cap[1])) -->
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out+=this.renderer.em(this.output(cap[2]||cap[1]), cap.input)
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*/
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// (function(){var block={newline:/^\n+/,code:/^( {4}[^\n]+\n*)+/,fences:noop,hr:/^( *[-*_]){3,} *(?:\n+|$)/,heading:/^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/,nptable:noop,lheading:/^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/,blockquote:/^( *>[^\n]+(\n(?!def)[^\n]+)*\n*)+/,list:/^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,html:/^ *(?:comment *(?:\n|\s*$)|closed *(?:\n{2,}|\s*$)|closing *(?:\n{2,}|\s*$))/,def:/^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/,table:noop,paragraph:/^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/,text:/^[^\n]+/};block.bullet=/(?:[*+-]|\d+\.)/;block.item=/^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/;block.item=replace(block.item,"gm")(/bull/g,block.bullet)();block.list=replace(block.list)(/bull/g,block.bullet)("hr","\\n+(?=\\1?(?:[-*_] *){3,}(?:\\n+|$))")("def","\\n+(?="+block.def.source+")")();block.blockquote=replace(block.blockquote)("def",block.def)();block._tag="(?!(?:"+"a|em|strong|small|s|cite|q|dfn|abbr|data|time|code"+"|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo"+"|span|br|wbr|ins|del|img)\\b)\\w+(?!:/|[^\\w\\s@]*@)\\b";block.html=replace(block.html)("comment",/<!--[\s\S]*?-->/)("closed",/<(tag)[\s\S]+?<\/\1>/)("closing",/<tag(?:"[^"]*"|'[^']*'|[^'">])*?>/)(/tag/g,block._tag)();block.paragraph=replace(block.paragraph)("hr",block.hr)("heading",block.heading)("lheading",block.lheading)("blockquote",block.blockquote)("tag","<"+block._tag)("def",block.def)();block.normal=merge({},block);block.gfm=merge({},block.normal,{fences:/^ *(`{3,}|~{3,}) *(\S+)? *\n([\s\S]+?)\s*\1 *(?:\n+|$)/,paragraph:/^/});block.gfm.paragraph=replace(block.paragraph)("(?!","(?!"+block.gfm.fences.source.replace("\\1","\\2")+"|"+block.list.source.replace("\\1","\\3")+"|")();block.tables=merge({},block.gfm,{nptable:/^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/,table:/^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/});function Lexer(options){this.tokens=[];this.tokens.links={};this.options=options||marked.defaults;this.rules=block.normal;if(this.options.gfm){if(this.options.tables){this.rules=block.tables}else{this.rules=block.gfm}}}Lexer.rules=block;Lexer.lex=function(src,options){var lexer=new Lexer(options);return lexer.lex(src)};Lexer.prototype.lex=function(src){src=src.replace(/\r\n|\r/g,"\n").replace(/\t/g," ").replace(/\u00a0/g," ").replace(/\u2424/g,"\n");return this.token(src,true)};Lexer.prototype.token=function(src,top,bq){var src=src.replace(/^ +$/gm,""),next,loose,cap,bull,b,item,space,i,l;while(src){if(cap=this.rules.newline.exec(src)){src=src.substring(cap[0].length);if(cap[0].length>1){this.tokens.push({type:"space"})}}if(cap=this.rules.code.exec(src)){src=src.substring(cap[0].length);cap=cap[0].replace(/^ {4}/gm,"");this.tokens.push({type:"code",text:!this.options.pedantic?cap.replace(/\n+$/,""):cap});continue}if(cap=this.rules.fences.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"code",lang:cap[2],text:cap[3]});continue}if(cap=this.rules.heading.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"heading",depth:cap[1].length,text:cap[2]});continue}if(top&&(cap=this.rules.nptable.exec(src))){src=src.substring(cap[0].length);item={type:"table",header:cap[1].replace(/^ *| *\| *$/g,"").split(/ *\| */),align:cap[2].replace(/^ *|\| *$/g,"").split(/ *\| */),cells:cap[3].replace(/\n$/,"").split("\n")};for(i=0;i<item.align.length;i++){if(/^ *-+: *$/.test(item.align[i])){item.align[i]="right"}else{if(/^ *:-+: *$/.test(item.align[i])){item.align[i]="center"}else{if(/^ *:-+ *$/.test(item.align[i])){item.align[i]="left"}else{item.align[i]=null}}}}for(i=0;i<item.cells.length;i++){item.cells[i]=item.cells[i].split(/ *\| */)}this.tokens.push(item);continue}if(cap=this.rules.lheading.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"heading",depth:cap[2]==="="?1:2,text:cap[1]});continue}if(cap=this.rules.hr.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"hr"});continue}if(cap=this.rules.blockquote.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"blockquote_start"});cap=cap[0].replace(/^ *> ?/gm,"");this.token(cap,top,true);this.tokens.push({type:"blockquote_end"});continue}if(cap=this.rules.list.exec(src)){src=src.substring(cap[0].length);bull=cap[2];this.tokens.push({type:"list_start",ordered:bull.length>1});cap=cap[0].match(this.rules.item);next=false;l=cap.length;i=0;for(;i<l;i++){item=cap[i];space=item.length;item=item.replace(/^ *([*+-]|\d+\.) +/,"");if(~item.indexOf("\n ")){space-=item.length;item=!this.options.pedantic?item.replace(new RegExp("^ {1,"+space+"}","gm"),""):item.replace(/^ {1,4}/gm,"")}if(this.options.smartLists&&i!==l-1){b=block.bullet.exec(cap[i+1])[0];if(bull!==b&&!(bull.length>1&&b.length>1)){src=cap.slice(i+1).join("\n")+src;i=l-1}}loose=next||/\n\n(?!\s*$)/.test(item);if(i!==l-1){next=item.charAt(item.length-1)==="\n";if(!loose){loose=next}}this.tokens.push({type:loose?"loose_item_start":"list_item_start"});this.token(item,false,bq);
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// this.tokens.push({type:"list_item_end"})}this.tokens.push({type:"list_end"});continue}if(cap=this.rules.html.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:this.options.sanitize?"paragraph":"html",pre:cap[1]==="pre"||cap[1]==="script"||cap[1]==="style",text:cap[0]});continue}if((!bq&&top)&&(cap=this.rules.def.exec(src))){src=src.substring(cap[0].length);this.tokens.links[cap[1].toLowerCase()]={href:cap[2],title:cap[3]};continue}if(top&&(cap=this.rules.table.exec(src))){src=src.substring(cap[0].length);item={type:"table",header:cap[1].replace(/^ *| *\| *$/g,"").split(/ *\| */),align:cap[2].replace(/^ *|\| *$/g,"").split(/ *\| */),cells:cap[3].replace(/(?: *\| *)?\n$/,"").split("\n")};for(i=0;i<item.align.length;i++){if(/^ *-+: *$/.test(item.align[i])){item.align[i]="right"}else{if(/^ *:-+: *$/.test(item.align[i])){item.align[i]="center"}else{if(/^ *:-+ *$/.test(item.align[i])){item.align[i]="left"}else{item.align[i]=null}}}}for(i=0;i<item.cells.length;i++){item.cells[i]=item.cells[i].replace(/^ *\| *| *\| *$/g,"").split(/ *\| */)}this.tokens.push(item);continue}if(top&&(cap=this.rules.paragraph.exec(src))){src=src.substring(cap[0].length);this.tokens.push({type:"paragraph",text:cap[1].charAt(cap[1].length-1)==="\n"?cap[1].slice(0,-1):cap[1]});continue}if(cap=this.rules.text.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"text",text:cap[0]});continue}if(src){throw new Error("Infinite loop on byte: "+src.charCodeAt(0))}}return this.tokens};var inline={escape:/^\\([\\`*{}\[\]()#+\-.!_>])/,autolink:/^<([^ >]+(@|:\/)[^ >]+)>/,url:noop,tag:/^<!--[\s\S]*?-->|^<\/?\w+(?:"[^"]*"|'[^']*'|[^'">])*?>/,link:/^!?\[(inside)\]\(href\)/,reflink:/^!?\[(inside)\]\s*\[([^\]]*)\]/,nolink:/^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/,strong:/^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/,em:/^\b_((?:__|[\s\S])+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/,code:/^(`+)\s*([\s\S]*?[^`])\s*\1(?!`)/,br:/^ {2,}\n(?!\s*$)/,del:noop,text:/^[\s\S]+?(?=[\\<!\[_*`]| {2,}\n|$)/};inline._inside=/(?:\[[^\]]*\]|[^\[\]]|\](?=[^\[]*\]))*/;inline._href=/\s*<?([\s\S]*?)>?(?:\s+['"]([\s\S]*?)['"])?\s*/;inline.link=replace(inline.link)("inside",inline._inside)("href",inline._href)();inline.reflink=replace(inline.reflink)("inside",inline._inside)();inline.normal=merge({},inline);inline.pedantic=merge({},inline.normal,{strong:/^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,em:/^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/});inline.gfm=merge({},inline.normal,{escape:replace(inline.escape)("])","~|])")(),url:/^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/,del:/^~~(?=\S)([\s\S]*?\S)~~/,text:replace(inline.text)("]|","~]|")("|","|https?://|")()});inline.breaks=merge({},inline.gfm,{br:replace(inline.br)("{2,}","*")(),text:replace(inline.gfm.text)("{2,}","*")()});function InlineLexer(links,options){this.options=options||marked.defaults;this.links=links;this.rules=inline.normal;this.renderer=this.options.renderer||new Renderer;this.renderer.options=this.options;if(!this.links){throw new Error("Tokens array requires a `links` property.")}if(this.options.gfm){if(this.options.breaks){this.rules=inline.breaks}else{this.rules=inline.gfm}}else{if(this.options.pedantic){this.rules=inline.pedantic}}}InlineLexer.rules=inline;InlineLexer.output=function(src,links,options){var inline=new InlineLexer(links,options);return inline.output(src)};InlineLexer.prototype.output=function(src){var out="",link,text,href,cap;while(src){if(cap=this.rules.escape.exec(src)){src=src.substring(cap[0].length);out+=cap[1];continue}if(cap=this.rules.autolink.exec(src)){src=src.substring(cap[0].length);if(cap[2]==="@"){text=cap[1].charAt(6)===":"?this.mangle(cap[1].substring(7)):this.mangle(cap[1]);href=this.mangle("mailto:")+text}else{text=escape(cap[1]);href=text}out+=this.renderer.link(href,null,text);continue}if(!this.inLink&&(cap=this.rules.url.exec(src))){src=src.substring(cap[0].length);text=escape(cap[1]);href=text;out+=this.renderer.link(href,null,text);continue}if(cap=this.rules.tag.exec(src)){if(!this.inLink&&/^<a /i.test(cap[0])){this.inLink=true}else{if(this.inLink&&/^<\/a>/i.test(cap[0])){this.inLink=false}}src=src.substring(cap[0].length);out+=this.options.sanitize?escape(cap[0]):cap[0];continue}if(cap=this.rules.link.exec(src)){src=src.substring(cap[0].length);this.inLink=true;out+=this.outputLink(cap,{href:cap[2],title:cap[3]});this.inLink=false;continue}if((cap=this.rules.reflink.exec(src))||(cap=this.rules.nolink.exec(src))){src=src.substring(cap[0].length);link=(cap[2]||cap[1]).replace(/\s+/g," ");link=this.links[link.toLowerCase()];if(!link||!link.href){out+=cap[0].charAt(0);src=cap[0].substring(1)+src;continue}this.inLink=true;out+=this.outputLink(cap,link);this.inLink=false;continue}if(cap=this.rules.strong.exec(src)){src=src.substring(cap[0].length);out+=this.renderer.strong(this.output(cap[2]||cap[1]));continue}if(cap=this.rules.em.exec(src)){src=src.substring(cap[0].length);out+=this.renderer.em(this.output(cap[2]||cap[1]), cap.input);continue
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// }if(cap=this.rules.code.exec(src)){src=src.substring(cap[0].length);out+=this.renderer.codespan(escape(cap[2],true));continue}if(cap=this.rules.br.exec(src)){src=src.substring(cap[0].length);out+=this.renderer.br();continue}if(cap=this.rules.del.exec(src)){src=src.substring(cap[0].length);out+=this.renderer.del(this.output(cap[1]));continue}if(cap=this.rules.text.exec(src)){src=src.substring(cap[0].length);out+=escape(this.smartypants(cap[0]));continue}if(src){throw new Error("Infinite loop on byte: "+src.charCodeAt(0))}}return out};InlineLexer.prototype.outputLink=function(cap,link){var href=escape(link.href),title=link.title?escape(link.title):null;return cap[0].charAt(0)!=="!"?this.renderer.link(href,title,this.output(cap[1])):this.renderer.image(href,title,escape(cap[1]))};InlineLexer.prototype.smartypants=function(text){if(!this.options.smartypants){return text}return text.replace(/--/g,"\u2014").replace(/(^|[-\u2014/(\[{"\s])'/g,"$1\u2018").replace(/'/g,"\u2019").replace(/(^|[-\u2014/(\[{\u2018\s])"/g,"$1\u201c").replace(/"/g,"\u201d").replace(/\.{3}/g,"\u2026")};InlineLexer.prototype.mangle=function(text){var out="",l=text.length,i=0,ch;for(;i<l;i++){ch=text.charCodeAt(i);if(Math.random()>0.5){ch="x"+ch.toString(16)}out+="&#"+ch+";"}return out};function Renderer(options){this.options=options||{}}Renderer.prototype.code=function(code,lang,escaped){if(this.options.highlight){var out=this.options.highlight(code,lang);if(out!=null&&out!==code){escaped=true;code=out}}if(!lang){return"<pre><code>"+(escaped?code:escape(code,true))+"\n</code></pre>"}return'<pre><code class="'+this.options.langPrefix+escape(lang,true)+'">'+(escaped?code:escape(code,true))+"\n</code></pre>\n"};Renderer.prototype.blockquote=function(quote){return"<blockquote>\n"+quote+"</blockquote>\n"};Renderer.prototype.html=function(html){return html};Renderer.prototype.heading=function(text,level,raw){return"<h"+level+' id="'+this.options.headerPrefix+raw.toLowerCase().replace(/[^\w]+/g,"-")+'">'+text+"</h"+level+">\n"};Renderer.prototype.hr=function(){return this.options.xhtml?"<hr/>\n":"<hr>\n"};Renderer.prototype.list=function(body,ordered){var type=ordered?"ol":"ul";return"<"+type+">\n"+body+"</"+type+">\n"};Renderer.prototype.listitem=function(text){return"<li>"+text+"</li>\n"};Renderer.prototype.paragraph=function(text){return"<p>"+text+"</p>\n"};Renderer.prototype.table=function(header,body){return"<table>\n"+"<thead>\n"+header+"</thead>\n"+"<tbody>\n"+body+"</tbody>\n"+"</table>\n"};Renderer.prototype.tablerow=function(content){return"<tr>\n"+content+"</tr>\n"};Renderer.prototype.tablecell=function(content,flags){var type=flags.header?"th":"td";var tag=flags.align?"<"+type+' style="text-align:'+flags.align+'">':"<"+type+">";return tag+content+"</"+type+">\n"};Renderer.prototype.strong=function(text){return"<strong>"+text+"</strong>"};Renderer.prototype.em=function(text){return"<em>"+text+"</em>"};Renderer.prototype.codespan=function(text){return"<code>"+text+"</code>"};Renderer.prototype.br=function(){return this.options.xhtml?"<br/>":"<br>"};Renderer.prototype.del=function(text){return"<del>"+text+"</del>"};Renderer.prototype.link=function(href,title,text){if(this.options.sanitize){try{var prot=decodeURIComponent(unescape(href)).replace(/[^\w:]/g,"").toLowerCase()}catch(e){return""}if(prot.indexOf("javascript:")===0||prot.indexOf("vbscript:")===0){return""}}var out='<a href="'+href+'"';if(title){out+=' title="'+title+'"'}out+=">"+text+"</a>";return out};Renderer.prototype.image=function(href,title,text){var out='<img src="'+href+'" alt="'+text+'"';if(title){out+=' title="'+title+'"'}out+=this.options.xhtml?"/>":">";return out};function Parser(options){this.tokens=[];this.token=null;this.options=options||marked.defaults;this.options.renderer=this.options.renderer||new Renderer;this.renderer=this.options.renderer;this.renderer.options=this.options}Parser.parse=function(src,options,renderer){var parser=new Parser(options,renderer);return parser.parse(src)};Parser.prototype.parse=function(src){this.inline=new InlineLexer(src.links,this.options,this.renderer);this.tokens=src.reverse();var out="";while(this.next()){out+=this.tok()}return out};Parser.prototype.next=function(){return this.token=this.tokens.pop()};Parser.prototype.peek=function(){return this.tokens[this.tokens.length-1]||0};Parser.prototype.parseText=function(){var body=this.token.text;while(this.peek().type==="text"){body+="\n"+this.next().text}return this.inline.output(body)};Parser.prototype.tok=function(){switch(this.token.type){case"space":return"";case"hr":return this.renderer.hr();case"heading":return this.renderer.heading(this.inline.output(this.token.text),this.token.depth,this.token.text);case"code":return this.renderer.code(this.token.text,this.token.lang,this.token.escaped);case"table":var header="",body="",i,row,cell,flags,j;cell="";for(i=0;i<this.token.header.length;i++){flags={header:true,align:this.token.align[i]};cell+=this.renderer.tablecell(this.inline.output(this.token.header[i]),{header:true,align:this.token.align[i]})
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// }header+=this.renderer.tablerow(cell);for(i=0;i<this.token.cells.length;i++){row=this.token.cells[i];cell="";for(j=0;j<row.length;j++){cell+=this.renderer.tablecell(this.inline.output(row[j]),{header:false,align:this.token.align[j]})}body+=this.renderer.tablerow(cell)}return this.renderer.table(header,body);case"blockquote_start":var body="";while(this.next().type!=="blockquote_end"){body+=this.tok()}return this.renderer.blockquote(body);case"list_start":var body="",ordered=this.token.ordered;while(this.next().type!=="list_end"){body+=this.tok()}return this.renderer.list(body,ordered);case"list_item_start":var body="";while(this.next().type!=="list_item_end"){body+=this.token.type==="text"?this.parseText():this.tok()}return this.renderer.listitem(body);case"loose_item_start":var body="";while(this.next().type!=="list_item_end"){body+=this.tok()}return this.renderer.listitem(body);case"html":var html=!this.token.pre&&!this.options.pedantic?this.inline.output(this.token.text):this.token.text;return this.renderer.html(html);case"paragraph":return this.renderer.paragraph(this.inline.output(this.token.text));case"text":return this.renderer.paragraph(this.parseText())}};function escape(html,encode){return html.replace(!encode?/&(?!#?\w+;)/g:/&/g,"&").replace(/</g,"<").replace(/>/g,">").replace(/"/g,""").replace(/'/g,"'")}function unescape(html){return html.replace(/&([#\w]+);/g,function(_,n){n=n.toLowerCase();if(n==="colon"){return":"}if(n.charAt(0)==="#"){return n.charAt(1)==="x"?String.fromCharCode(parseInt(n.substring(2),16)):String.fromCharCode(+n.substring(1))}return""})}function replace(regex,opt){regex=regex.source;opt=opt||"";return function self(name,val){if(!name){return new RegExp(regex,opt)}val=val.source||val;val=val.replace(/(^|[^\[])\^/g,"$1");regex=regex.replace(name,val);return self}}function noop(){}noop.exec=noop;function merge(obj){var i=1,target,key;for(;i<arguments.length;i++){target=arguments[i];for(key in target){if(Object.prototype.hasOwnProperty.call(target,key)){obj[key]=target[key]}}}return obj}function marked(src,opt,callback){if(callback||typeof opt==="function"){if(!callback){callback=opt;opt=null}opt=merge({},marked.defaults,opt||{});var highlight=opt.highlight,tokens,pending,i=0;try{tokens=Lexer.lex(src,opt)}catch(e){return callback(e)}pending=tokens.length;var done=function(err){if(err){opt.highlight=highlight;return callback(err)}var out;try{out=Parser.parse(tokens,opt)}catch(e){err=e}opt.highlight=highlight;return err?callback(err):callback(null,out)};if(!highlight||highlight.length<3){return done()}delete opt.highlight;if(!pending){return done()}for(;i<tokens.length;i++){(function(token){if(token.type!=="code"){return --pending||done()}return highlight(token.text,token.lang,function(err,code){if(err){return done(err)}if(code==null||code===token.text){return --pending||done()}token.text=code;token.escaped=true;--pending||done()})})(tokens[i])}return}try{if(opt){opt=merge({},marked.defaults,opt)}return Parser.parse(Lexer.lex(src,opt),opt)}catch(e){e.message+="\nPlease report this to https://github.com/chjj/marked.";if((opt||marked.defaults).silent){return"<p>An error occured:</p><pre>"+escape(e.message+"",true)+"</pre>"}throw e}}marked.options=marked.setOptions=function(opt){merge(marked.defaults,opt);return marked};marked.defaults={gfm:true,tables:true,breaks:false,pedantic:false,sanitize:false,smartLists:false,silent:false,highlight:null,langPrefix:"lang-",smartypants:false,headerPrefix:"",renderer:new Renderer,xhtml:false};marked.Parser=Parser;marked.parser=Parser.parse;marked.Renderer=Renderer;marked.Lexer=Lexer;marked.lexer=Lexer.lex;marked.InlineLexer=InlineLexer;marked.inlineLexer=InlineLexer.output;marked.parse=marked;if(typeof module!=="undefined"&&typeof exports==="object"){module.exports=marked}else{if(typeof define==="function"&&define.amd){define(function(){return marked})}else{this.marked=marked}}}).call(function(){return this||(typeof window!=="undefined"?window:global)}());
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/**
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* marked - a markdown parser
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* Copyright (c) 2011-2014, Christopher Jeffrey. (MIT Licensed)
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* https://github.com/chjj/marked
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*/
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;(function() {
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/**
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* Block-Level Grammar
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*/
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var block = {
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newline: /^\n+/,
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code: /^( {4}[^\n]+\n*)+/,
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fences: noop,
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hr: /^( *[-*_]){3,} *(?:\n+|$)/,
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heading: /^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/,
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nptable: noop,
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lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/,
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blockquote: /^( *>[^\n]+(\n(?!def)[^\n]+)*\n*)+/,
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list: /^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
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html: /^ *(?:comment *(?:\n|\s*$)|closed *(?:\n{2,}|\s*$)|closing *(?:\n{2,}|\s*$))/,
|
|
def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/,
|
|
table: noop,
|
|
paragraph: /^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/,
|
|
text: /^[^\n]+/
|
|
};
|
|
|
|
block.bullet = /(?:[*+-]|\d+\.)/;
|
|
block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/;
|
|
block.item = replace(block.item, 'gm')
|
|
(/bull/g, block.bullet)
|
|
();
|
|
|
|
block.list = replace(block.list)
|
|
(/bull/g, block.bullet)
|
|
('hr', '\\n+(?=\\1?(?:[-*_] *){3,}(?:\\n+|$))')
|
|
('def', '\\n+(?=' + block.def.source + ')')
|
|
();
|
|
|
|
block.blockquote = replace(block.blockquote)
|
|
('def', block.def)
|
|
();
|
|
|
|
block._tag = '(?!(?:'
|
|
+ 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code'
|
|
+ '|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo'
|
|
+ '|span|br|wbr|ins|del|img)\\b)\\w+(?!:/|[^\\w\\s@]*@)\\b';
|
|
|
|
block.html = replace(block.html)
|
|
('comment', /<!--[\s\S]*?-->/)
|
|
('closed', /<(tag)[\s\S]+?<\/\1>/)
|
|
('closing', /<tag(?:"[^"]*"|'[^']*'|[^'">])*?>/)
|
|
(/tag/g, block._tag)
|
|
();
|
|
|
|
block.paragraph = replace(block.paragraph)
|
|
('hr', block.hr)
|
|
('heading', block.heading)
|
|
('lheading', block.lheading)
|
|
('blockquote', block.blockquote)
|
|
('tag', '<' + block._tag)
|
|
('def', block.def)
|
|
();
|
|
|
|
/**
|
|
* Normal Block Grammar
|
|
*/
|
|
|
|
block.normal = merge({}, block);
|
|
|
|
/**
|
|
* GFM Block Grammar
|
|
*/
|
|
|
|
block.gfm = merge({}, block.normal, {
|
|
fences: /^ *(`{3,}|~{3,}) *(\S+)? *\n([\s\S]+?)\s*\1 *(?:\n+|$)/,
|
|
paragraph: /^/
|
|
});
|
|
|
|
block.gfm.paragraph = replace(block.paragraph)
|
|
('(?!', '(?!'
|
|
+ block.gfm.fences.source.replace('\\1', '\\2') + '|'
|
|
+ block.list.source.replace('\\1', '\\3') + '|')
|
|
();
|
|
|
|
/**
|
|
* GFM + Tables Block Grammar
|
|
*/
|
|
|
|
block.tables = merge({}, block.gfm, {
|
|
nptable: /^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/,
|
|
table: /^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/
|
|
});
|
|
|
|
/**
|
|
* Block Lexer
|
|
*/
|
|
|
|
function Lexer(options) {
|
|
this.tokens = [];
|
|
this.tokens.links = {};
|
|
this.options = options || marked.defaults;
|
|
this.rules = block.normal;
|
|
|
|
if (this.options.gfm) {
|
|
if (this.options.tables) {
|
|
this.rules = block.tables;
|
|
} else {
|
|
this.rules = block.gfm;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Expose Block Rules
|
|
*/
|
|
|
|
Lexer.rules = block;
|
|
|
|
/**
|
|
* Static Lex Method
|
|
*/
|
|
|
|
Lexer.lex = function(src, options) {
|
|
var lexer = new Lexer(options);
|
|
return lexer.lex(src);
|
|
};
|
|
|
|
/**
|
|
* Preprocessing
|
|
*/
|
|
|
|
Lexer.prototype.lex = function(src) {
|
|
src = src
|
|
.replace(/\r\n|\r/g, '\n')
|
|
.replace(/\t/g, ' ')
|
|
.replace(/\u00a0/g, ' ')
|
|
.replace(/\u2424/g, '\n');
|
|
|
|
return this.token(src, true);
|
|
};
|
|
|
|
/**
|
|
* Lexing
|
|
*/
|
|
|
|
Lexer.prototype.token = function(src, top, bq) {
|
|
var src = src.replace(/^ +$/gm, '')
|
|
, next
|
|
, loose
|
|
, cap
|
|
, bull
|
|
, b
|
|
, item
|
|
, space
|
|
, i
|
|
, l;
|
|
|
|
while (src) {
|
|
// newline
|
|
if (cap = this.rules.newline.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
if (cap[0].length > 1) {
|
|
this.tokens.push({
|
|
type: 'space'
|
|
});
|
|
}
|
|
}
|
|
|
|
// code
|
|
if (cap = this.rules.code.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
cap = cap[0].replace(/^ {4}/gm, '');
|
|
this.tokens.push({
|
|
type: 'code',
|
|
text: !this.options.pedantic
|
|
? cap.replace(/\n+$/, '')
|
|
: cap
|
|
});
|
|
continue;
|
|
}
|
|
|
|
// fences (gfm)
|
|
if (cap = this.rules.fences.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
this.tokens.push({
|
|
type: 'code',
|
|
lang: cap[2],
|
|
text: cap[3]
|
|
});
|
|
continue;
|
|
}
|
|
|
|
// heading
|
|
if (cap = this.rules.heading.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
this.tokens.push({
|
|
type: 'heading',
|
|
depth: cap[1].length,
|
|
text: cap[2]
|
|
});
|
|
continue;
|
|
}
|
|
|
|
// table no leading pipe (gfm)
|
|
if (top && (cap = this.rules.nptable.exec(src))) {
|
|
src = src.substring(cap[0].length);
|
|
|
|
item = {
|
|
type: 'table',
|
|
header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
|
|
align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
|
|
cells: cap[3].replace(/\n$/, '').split('\n')
|
|
};
|
|
|
|
for (i = 0; i < item.align.length; i++) {
|
|
if (/^ *-+: *$/.test(item.align[i])) {
|
|
item.align[i] = 'right';
|
|
} else if (/^ *:-+: *$/.test(item.align[i])) {
|
|
item.align[i] = 'center';
|
|
} else if (/^ *:-+ *$/.test(item.align[i])) {
|
|
item.align[i] = 'left';
|
|
} else {
|
|
item.align[i] = null;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < item.cells.length; i++) {
|
|
item.cells[i] = item.cells[i].split(/ *\| */);
|
|
}
|
|
|
|
this.tokens.push(item);
|
|
|
|
continue;
|
|
}
|
|
|
|
// lheading
|
|
if (cap = this.rules.lheading.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
this.tokens.push({
|
|
type: 'heading',
|
|
depth: cap[2] === '=' ? 1 : 2,
|
|
text: cap[1]
|
|
});
|
|
continue;
|
|
}
|
|
|
|
// hr
|
|
if (cap = this.rules.hr.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
this.tokens.push({
|
|
type: 'hr'
|
|
});
|
|
continue;
|
|
}
|
|
|
|
// blockquote
|
|
if (cap = this.rules.blockquote.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
|
|
this.tokens.push({
|
|
type: 'blockquote_start'
|
|
});
|
|
|
|
cap = cap[0].replace(/^ *> ?/gm, '');
|
|
|
|
// Pass `top` to keep the current
|
|
// "toplevel" state. This is exactly
|
|
// how markdown.pl works.
|
|
this.token(cap, top, true);
|
|
|
|
this.tokens.push({
|
|
type: 'blockquote_end'
|
|
});
|
|
|
|
continue;
|
|
}
|
|
|
|
// list
|
|
if (cap = this.rules.list.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
bull = cap[2];
|
|
|
|
this.tokens.push({
|
|
type: 'list_start',
|
|
ordered: bull.length > 1
|
|
});
|
|
|
|
// Get each top-level item.
|
|
cap = cap[0].match(this.rules.item);
|
|
|
|
next = false;
|
|
l = cap.length;
|
|
i = 0;
|
|
|
|
for (; i < l; i++) {
|
|
item = cap[i];
|
|
|
|
// Remove the list item's bullet
|
|
// so it is seen as the next token.
|
|
space = item.length;
|
|
item = item.replace(/^ *([*+-]|\d+\.) +/, '');
|
|
|
|
// Outdent whatever the
|
|
// list item contains. Hacky.
|
|
if (~item.indexOf('\n ')) {
|
|
space -= item.length;
|
|
item = !this.options.pedantic
|
|
? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '')
|
|
: item.replace(/^ {1,4}/gm, '');
|
|
}
|
|
|
|
// Determine whether the next list item belongs here.
|
|
// Backpedal if it does not belong in this list.
|
|
if (this.options.smartLists && i !== l - 1) {
|
|
b = block.bullet.exec(cap[i + 1])[0];
|
|
if (bull !== b && !(bull.length > 1 && b.length > 1)) {
|
|
src = cap.slice(i + 1).join('\n') + src;
|
|
i = l - 1;
|
|
}
|
|
}
|
|
|
|
// Determine whether item is loose or not.
|
|
// Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/
|
|
// for discount behavior.
|
|
loose = next || /\n\n(?!\s*$)/.test(item);
|
|
if (i !== l - 1) {
|
|
next = item.charAt(item.length - 1) === '\n';
|
|
if (!loose) loose = next;
|
|
}
|
|
|
|
this.tokens.push({
|
|
type: loose
|
|
? 'loose_item_start'
|
|
: 'list_item_start'
|
|
});
|
|
|
|
// Recurse.
|
|
this.token(item, false, bq);
|
|
|
|
this.tokens.push({
|
|
type: 'list_item_end'
|
|
});
|
|
}
|
|
|
|
this.tokens.push({
|
|
type: 'list_end'
|
|
});
|
|
|
|
continue;
|
|
}
|
|
|
|
// html
|
|
if (cap = this.rules.html.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
this.tokens.push({
|
|
type: this.options.sanitize
|
|
? 'paragraph'
|
|
: 'html',
|
|
pre: cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style',
|
|
text: cap[0]
|
|
});
|
|
continue;
|
|
}
|
|
|
|
// def
|
|
if ((!bq && top) && (cap = this.rules.def.exec(src))) {
|
|
src = src.substring(cap[0].length);
|
|
this.tokens.links[cap[1].toLowerCase()] = {
|
|
href: cap[2],
|
|
title: cap[3]
|
|
};
|
|
continue;
|
|
}
|
|
|
|
// table (gfm)
|
|
if (top && (cap = this.rules.table.exec(src))) {
|
|
src = src.substring(cap[0].length);
|
|
|
|
item = {
|
|
type: 'table',
|
|
header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
|
|
align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
|
|
cells: cap[3].replace(/(?: *\| *)?\n$/, '').split('\n')
|
|
};
|
|
|
|
for (i = 0; i < item.align.length; i++) {
|
|
if (/^ *-+: *$/.test(item.align[i])) {
|
|
item.align[i] = 'right';
|
|
} else if (/^ *:-+: *$/.test(item.align[i])) {
|
|
item.align[i] = 'center';
|
|
} else if (/^ *:-+ *$/.test(item.align[i])) {
|
|
item.align[i] = 'left';
|
|
} else {
|
|
item.align[i] = null;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < item.cells.length; i++) {
|
|
item.cells[i] = item.cells[i]
|
|
.replace(/^ *\| *| *\| *$/g, '')
|
|
.split(/ *\| */);
|
|
}
|
|
|
|
this.tokens.push(item);
|
|
|
|
continue;
|
|
}
|
|
|
|
// top-level paragraph
|
|
if (top && (cap = this.rules.paragraph.exec(src))) {
|
|
src = src.substring(cap[0].length);
|
|
this.tokens.push({
|
|
type: 'paragraph',
|
|
text: cap[1].charAt(cap[1].length - 1) === '\n'
|
|
? cap[1].slice(0, -1)
|
|
: cap[1]
|
|
});
|
|
continue;
|
|
}
|
|
|
|
// text
|
|
if (cap = this.rules.text.exec(src)) {
|
|
// Top-level should never reach here.
|
|
src = src.substring(cap[0].length);
|
|
this.tokens.push({
|
|
type: 'text',
|
|
text: cap[0]
|
|
});
|
|
continue;
|
|
}
|
|
|
|
if (src) {
|
|
throw new
|
|
Error('Infinite loop on byte: ' + src.charCodeAt(0));
|
|
}
|
|
}
|
|
|
|
return this.tokens;
|
|
};
|
|
|
|
/**
|
|
* Inline-Level Grammar
|
|
*/
|
|
|
|
var inline = {
|
|
escape: /^\\([\\`*{}\[\]()#+\-.!_>])/,
|
|
autolink: /^<([^ >]+(@|:\/)[^ >]+)>/,
|
|
url: noop,
|
|
tag: /^<!--[\s\S]*?-->|^<\/?\w+(?:"[^"]*"|'[^']*'|[^'">])*?>/,
|
|
link: /^!?\[(inside)\]\(href\)/,
|
|
reflink: /^!?\[(inside)\]\s*\[([^\]]*)\]/,
|
|
nolink: /^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/,
|
|
strong: /^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/,
|
|
em: /^\b_((?:__|[\s\S])+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/,
|
|
code: /^(`+)\s*([\s\S]*?[^`])\s*\1(?!`)/,
|
|
br: /^ {2,}\n(?!\s*$)/,
|
|
del: noop,
|
|
text: /^[\s\S]+?(?=[\\<!\[_*`]| {2,}\n|$)/
|
|
};
|
|
|
|
inline._inside = /(?:\[[^\]]*\]|[^\[\]]|\](?=[^\[]*\]))*/;
|
|
inline._href = /\s*<?([\s\S]*?)>?(?:\s+['"]([\s\S]*?)['"])?\s*/;
|
|
|
|
inline.link = replace(inline.link)
|
|
('inside', inline._inside)
|
|
('href', inline._href)
|
|
();
|
|
|
|
inline.reflink = replace(inline.reflink)
|
|
('inside', inline._inside)
|
|
();
|
|
|
|
/**
|
|
* Normal Inline Grammar
|
|
*/
|
|
|
|
inline.normal = merge({}, inline);
|
|
|
|
/**
|
|
* Pedantic Inline Grammar
|
|
*/
|
|
|
|
inline.pedantic = merge({}, inline.normal, {
|
|
strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
|
|
em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/
|
|
});
|
|
|
|
/**
|
|
* GFM Inline Grammar
|
|
*/
|
|
|
|
inline.gfm = merge({}, inline.normal, {
|
|
escape: replace(inline.escape)('])', '~|])')(),
|
|
url: /^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/,
|
|
del: /^~~(?=\S)([\s\S]*?\S)~~/,
|
|
text: replace(inline.text)
|
|
(']|', '~]|')
|
|
('|', '|https?://|')
|
|
()
|
|
});
|
|
|
|
/**
|
|
* GFM + Line Breaks Inline Grammar
|
|
*/
|
|
|
|
inline.breaks = merge({}, inline.gfm, {
|
|
br: replace(inline.br)('{2,}', '*')(),
|
|
text: replace(inline.gfm.text)('{2,}', '*')()
|
|
});
|
|
|
|
/**
|
|
* Inline Lexer & Compiler
|
|
*/
|
|
|
|
function InlineLexer(links, options) {
|
|
this.options = options || marked.defaults;
|
|
this.links = links;
|
|
this.rules = inline.normal;
|
|
this.renderer = this.options.renderer || new Renderer;
|
|
this.renderer.options = this.options;
|
|
|
|
if (!this.links) {
|
|
throw new
|
|
Error('Tokens array requires a `links` property.');
|
|
}
|
|
|
|
if (this.options.gfm) {
|
|
if (this.options.breaks) {
|
|
this.rules = inline.breaks;
|
|
} else {
|
|
this.rules = inline.gfm;
|
|
}
|
|
} else if (this.options.pedantic) {
|
|
this.rules = inline.pedantic;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Expose Inline Rules
|
|
*/
|
|
|
|
InlineLexer.rules = inline;
|
|
|
|
/**
|
|
* Static Lexing/Compiling Method
|
|
*/
|
|
|
|
InlineLexer.output = function(src, links, options) {
|
|
var inline = new InlineLexer(links, options);
|
|
return inline.output(src);
|
|
};
|
|
|
|
/**
|
|
* Lexing/Compiling
|
|
*/
|
|
|
|
InlineLexer.prototype.output = function(src) {
|
|
var out = ''
|
|
, link
|
|
, text
|
|
, href
|
|
, cap;
|
|
|
|
while (src) {
|
|
// escape
|
|
if (cap = this.rules.escape.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
out += cap[1];
|
|
continue;
|
|
}
|
|
|
|
// autolink
|
|
if (cap = this.rules.autolink.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
if (cap[2] === '@') {
|
|
text = cap[1].charAt(6) === ':'
|
|
? this.mangle(cap[1].substring(7))
|
|
: this.mangle(cap[1]);
|
|
href = this.mangle('mailto:') + text;
|
|
} else {
|
|
text = escape(cap[1]);
|
|
href = text;
|
|
}
|
|
out += this.renderer.link(href, null, text);
|
|
continue;
|
|
}
|
|
|
|
// url (gfm)
|
|
if (!this.inLink && (cap = this.rules.url.exec(src))) {
|
|
src = src.substring(cap[0].length);
|
|
text = escape(cap[1]);
|
|
href = text;
|
|
out += this.renderer.link(href, null, text);
|
|
continue;
|
|
}
|
|
|
|
// tag
|
|
if (cap = this.rules.tag.exec(src)) {
|
|
if (!this.inLink && /^<a /i.test(cap[0])) {
|
|
this.inLink = true;
|
|
} else if (this.inLink && /^<\/a>/i.test(cap[0])) {
|
|
this.inLink = false;
|
|
}
|
|
src = src.substring(cap[0].length);
|
|
out += this.options.sanitize
|
|
? escape(cap[0])
|
|
: cap[0];
|
|
continue;
|
|
}
|
|
|
|
// link
|
|
if (cap = this.rules.link.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
this.inLink = true;
|
|
out += this.outputLink(cap, {
|
|
href: cap[2],
|
|
title: cap[3]
|
|
});
|
|
this.inLink = false;
|
|
continue;
|
|
}
|
|
|
|
// reflink, nolink
|
|
if ((cap = this.rules.reflink.exec(src))
|
|
|| (cap = this.rules.nolink.exec(src))) {
|
|
src = src.substring(cap[0].length);
|
|
link = (cap[2] || cap[1]).replace(/\s+/g, ' ');
|
|
link = this.links[link.toLowerCase()];
|
|
if (!link || !link.href) {
|
|
out += cap[0].charAt(0);
|
|
src = cap[0].substring(1) + src;
|
|
continue;
|
|
}
|
|
this.inLink = true;
|
|
out += this.outputLink(cap, link);
|
|
this.inLink = false;
|
|
continue;
|
|
}
|
|
|
|
// strong
|
|
if (cap = this.rules.strong.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
out += this.renderer.strong(this.output(cap[2] || cap[1]));
|
|
continue;
|
|
}
|
|
|
|
// em
|
|
if (cap = this.rules.em.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
out += this.renderer.em(this.output(cap[2] || cap[1]), cap.input);
|
|
continue;
|
|
}
|
|
|
|
// code
|
|
if (cap = this.rules.code.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
out += this.renderer.codespan(escape(cap[2], true));
|
|
continue;
|
|
}
|
|
|
|
// br
|
|
if (cap = this.rules.br.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
out += this.renderer.br();
|
|
continue;
|
|
}
|
|
|
|
// del (gfm)
|
|
if (cap = this.rules.del.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
out += this.renderer.del(this.output(cap[1]));
|
|
continue;
|
|
}
|
|
|
|
// text
|
|
if (cap = this.rules.text.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
out += escape(this.smartypants(cap[0]));
|
|
continue;
|
|
}
|
|
|
|
if (src) {
|
|
throw new
|
|
Error('Infinite loop on byte: ' + src.charCodeAt(0));
|
|
}
|
|
}
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Compile Link
|
|
*/
|
|
|
|
InlineLexer.prototype.outputLink = function(cap, link) {
|
|
var href = escape(link.href)
|
|
, title = link.title ? escape(link.title) : null;
|
|
|
|
return cap[0].charAt(0) !== '!'
|
|
? this.renderer.link(href, title, this.output(cap[1]))
|
|
: this.renderer.image(href, title, escape(cap[1]));
|
|
};
|
|
|
|
/**
|
|
* Smartypants Transformations
|
|
*/
|
|
|
|
InlineLexer.prototype.smartypants = function(text) {
|
|
if (!this.options.smartypants) return text;
|
|
return text
|
|
// em-dashes
|
|
.replace(/--/g, '\u2014')
|
|
// opening singles
|
|
.replace(/(^|[-\u2014/(\[{"\s])'/g, '$1\u2018')
|
|
// closing singles & apostrophes
|
|
.replace(/'/g, '\u2019')
|
|
// opening doubles
|
|
.replace(/(^|[-\u2014/(\[{\u2018\s])"/g, '$1\u201c')
|
|
// closing doubles
|
|
.replace(/"/g, '\u201d')
|
|
// ellipses
|
|
.replace(/\.{3}/g, '\u2026');
|
|
};
|
|
|
|
/**
|
|
* Mangle Links
|
|
*/
|
|
|
|
InlineLexer.prototype.mangle = function(text) {
|
|
var out = ''
|
|
, l = text.length
|
|
, i = 0
|
|
, ch;
|
|
|
|
for (; i < l; i++) {
|
|
ch = text.charCodeAt(i);
|
|
if (Math.random() > 0.5) {
|
|
ch = 'x' + ch.toString(16);
|
|
}
|
|
out += '&#' + ch + ';';
|
|
}
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Renderer
|
|
*/
|
|
|
|
function Renderer(options) {
|
|
this.options = options || {};
|
|
}
|
|
|
|
Renderer.prototype.code = function(code, lang, escaped) {
|
|
if (this.options.highlight) {
|
|
var out = this.options.highlight(code, lang);
|
|
if (out != null && out !== code) {
|
|
escaped = true;
|
|
code = out;
|
|
}
|
|
}
|
|
|
|
if (!lang) {
|
|
return '<pre><code>'
|
|
+ (escaped ? code : escape(code, true))
|
|
+ '\n</code></pre>';
|
|
}
|
|
|
|
return '<pre><code class="'
|
|
+ this.options.langPrefix
|
|
+ escape(lang, true)
|
|
+ '">'
|
|
+ (escaped ? code : escape(code, true))
|
|
+ '\n</code></pre>\n';
|
|
};
|
|
|
|
Renderer.prototype.blockquote = function(quote) {
|
|
return '<blockquote>\n' + quote + '</blockquote>\n';
|
|
};
|
|
|
|
Renderer.prototype.html = function(html) {
|
|
return html;
|
|
};
|
|
|
|
Renderer.prototype.heading = function(text, level, raw) {
|
|
return '<h'
|
|
+ level
|
|
+ ' id="'
|
|
+ this.options.headerPrefix
|
|
+ raw.toLowerCase().replace(/[^\w]+/g, '-')
|
|
+ '">'
|
|
+ text
|
|
+ '</h'
|
|
+ level
|
|
+ '>\n';
|
|
};
|
|
|
|
Renderer.prototype.hr = function() {
|
|
return this.options.xhtml ? '<hr/>\n' : '<hr>\n';
|
|
};
|
|
|
|
Renderer.prototype.list = function(body, ordered) {
|
|
var type = ordered ? 'ol' : 'ul';
|
|
return '<' + type + '>\n' + body + '</' + type + '>\n';
|
|
};
|
|
|
|
Renderer.prototype.listitem = function(text) {
|
|
return '<li>' + text + '</li>\n';
|
|
};
|
|
|
|
Renderer.prototype.paragraph = function(text) {
|
|
return '<p>' + text + '</p>\n';
|
|
};
|
|
|
|
Renderer.prototype.table = function(header, body) {
|
|
return '<table>\n'
|
|
+ '<thead>\n'
|
|
+ header
|
|
+ '</thead>\n'
|
|
+ '<tbody>\n'
|
|
+ body
|
|
+ '</tbody>\n'
|
|
+ '</table>\n';
|
|
};
|
|
|
|
Renderer.prototype.tablerow = function(content) {
|
|
return '<tr>\n' + content + '</tr>\n';
|
|
};
|
|
|
|
Renderer.prototype.tablecell = function(content, flags) {
|
|
var type = flags.header ? 'th' : 'td';
|
|
var tag = flags.align
|
|
? '<' + type + ' style="text-align:' + flags.align + '">'
|
|
: '<' + type + '>';
|
|
return tag + content + '</' + type + '>\n';
|
|
};
|
|
|
|
// span level renderer
|
|
Renderer.prototype.strong = function(text) {
|
|
return '<strong>' + text + '</strong>';
|
|
};
|
|
|
|
Renderer.prototype.em = function(text) {
|
|
return '<em>' + text + '</em>';
|
|
};
|
|
|
|
Renderer.prototype.codespan = function(text) {
|
|
return '<code>' + text + '</code>';
|
|
};
|
|
|
|
Renderer.prototype.br = function() {
|
|
return this.options.xhtml ? '<br/>' : '<br>';
|
|
};
|
|
|
|
Renderer.prototype.del = function(text) {
|
|
return '<del>' + text + '</del>';
|
|
};
|
|
|
|
Renderer.prototype.link = function(href, title, text) {
|
|
if (this.options.sanitize) {
|
|
try {
|
|
var prot = decodeURIComponent(unescape(href))
|
|
.replace(/[^\w:]/g, '')
|
|
.toLowerCase();
|
|
} catch (e) {
|
|
return '';
|
|
}
|
|
if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0) {
|
|
return '';
|
|
}
|
|
}
|
|
var out = '<a href="' + href + '"';
|
|
if (title) {
|
|
out += ' title="' + title + '"';
|
|
}
|
|
out += '>' + text + '</a>';
|
|
return out;
|
|
};
|
|
|
|
Renderer.prototype.image = function(href, title, text) {
|
|
var out = '<img src="' + href + '" alt="' + text + '"';
|
|
if (title) {
|
|
out += ' title="' + title + '"';
|
|
}
|
|
out += this.options.xhtml ? '/>' : '>';
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Parsing & Compiling
|
|
*/
|
|
|
|
function Parser(options) {
|
|
this.tokens = [];
|
|
this.token = null;
|
|
this.options = options || marked.defaults;
|
|
this.options.renderer = this.options.renderer || new Renderer;
|
|
this.renderer = this.options.renderer;
|
|
this.renderer.options = this.options;
|
|
}
|
|
|
|
/**
|
|
* Static Parse Method
|
|
*/
|
|
|
|
Parser.parse = function(src, options, renderer) {
|
|
var parser = new Parser(options, renderer);
|
|
return parser.parse(src);
|
|
};
|
|
|
|
/**
|
|
* Parse Loop
|
|
*/
|
|
|
|
Parser.prototype.parse = function(src) {
|
|
this.inline = new InlineLexer(src.links, this.options, this.renderer);
|
|
this.tokens = src.reverse();
|
|
|
|
var out = '';
|
|
while (this.next()) {
|
|
out += this.tok();
|
|
}
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Next Token
|
|
*/
|
|
|
|
Parser.prototype.next = function() {
|
|
return this.token = this.tokens.pop();
|
|
};
|
|
|
|
/**
|
|
* Preview Next Token
|
|
*/
|
|
|
|
Parser.prototype.peek = function() {
|
|
return this.tokens[this.tokens.length - 1] || 0;
|
|
};
|
|
|
|
/**
|
|
* Parse Text Tokens
|
|
*/
|
|
|
|
Parser.prototype.parseText = function() {
|
|
var body = this.token.text;
|
|
|
|
while (this.peek().type === 'text') {
|
|
body += '\n' + this.next().text;
|
|
}
|
|
|
|
return this.inline.output(body);
|
|
};
|
|
|
|
/**
|
|
* Parse Current Token
|
|
*/
|
|
|
|
Parser.prototype.tok = function() {
|
|
switch (this.token.type) {
|
|
case 'space': {
|
|
return '';
|
|
}
|
|
case 'hr': {
|
|
return this.renderer.hr();
|
|
}
|
|
case 'heading': {
|
|
return this.renderer.heading(
|
|
this.inline.output(this.token.text),
|
|
this.token.depth,
|
|
this.token.text);
|
|
}
|
|
case 'code': {
|
|
return this.renderer.code(this.token.text,
|
|
this.token.lang,
|
|
this.token.escaped);
|
|
}
|
|
case 'table': {
|
|
var header = ''
|
|
, body = ''
|
|
, i
|
|
, row
|
|
, cell
|
|
, flags
|
|
, j;
|
|
|
|
// header
|
|
cell = '';
|
|
for (i = 0; i < this.token.header.length; i++) {
|
|
flags = { header: true, align: this.token.align[i] };
|
|
cell += this.renderer.tablecell(
|
|
this.inline.output(this.token.header[i]),
|
|
{ header: true, align: this.token.align[i] }
|
|
);
|
|
}
|
|
header += this.renderer.tablerow(cell);
|
|
|
|
for (i = 0; i < this.token.cells.length; i++) {
|
|
row = this.token.cells[i];
|
|
|
|
cell = '';
|
|
for (j = 0; j < row.length; j++) {
|
|
cell += this.renderer.tablecell(
|
|
this.inline.output(row[j]),
|
|
{ header: false, align: this.token.align[j] }
|
|
);
|
|
}
|
|
|
|
body += this.renderer.tablerow(cell);
|
|
}
|
|
return this.renderer.table(header, body);
|
|
}
|
|
case 'blockquote_start': {
|
|
var body = '';
|
|
|
|
while (this.next().type !== 'blockquote_end') {
|
|
body += this.tok();
|
|
}
|
|
|
|
return this.renderer.blockquote(body);
|
|
}
|
|
case 'list_start': {
|
|
var body = ''
|
|
, ordered = this.token.ordered;
|
|
|
|
while (this.next().type !== 'list_end') {
|
|
body += this.tok();
|
|
}
|
|
|
|
return this.renderer.list(body, ordered);
|
|
}
|
|
case 'list_item_start': {
|
|
var body = '';
|
|
|
|
while (this.next().type !== 'list_item_end') {
|
|
body += this.token.type === 'text'
|
|
? this.parseText()
|
|
: this.tok();
|
|
}
|
|
|
|
return this.renderer.listitem(body);
|
|
}
|
|
case 'loose_item_start': {
|
|
var body = '';
|
|
|
|
while (this.next().type !== 'list_item_end') {
|
|
body += this.tok();
|
|
}
|
|
|
|
return this.renderer.listitem(body);
|
|
}
|
|
case 'html': {
|
|
var html = !this.token.pre && !this.options.pedantic
|
|
? this.inline.output(this.token.text)
|
|
: this.token.text;
|
|
return this.renderer.html(html);
|
|
}
|
|
case 'paragraph': {
|
|
return this.renderer.paragraph(this.inline.output(this.token.text));
|
|
}
|
|
case 'text': {
|
|
return this.renderer.paragraph(this.parseText());
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Helpers
|
|
*/
|
|
|
|
function escape(html, encode) {
|
|
return html
|
|
.replace(!encode ? /&(?!#?\w+;)/g : /&/g, '&')
|
|
.replace(/</g, '<')
|
|
.replace(/>/g, '>')
|
|
.replace(/"/g, '"')
|
|
.replace(/'/g, ''');
|
|
}
|
|
|
|
function unescape(html) {
|
|
return html.replace(/&([#\w]+);/g, function(_, n) {
|
|
n = n.toLowerCase();
|
|
if (n === 'colon') return ':';
|
|
if (n.charAt(0) === '#') {
|
|
return n.charAt(1) === 'x'
|
|
? String.fromCharCode(parseInt(n.substring(2), 16))
|
|
: String.fromCharCode(+n.substring(1));
|
|
}
|
|
return '';
|
|
});
|
|
}
|
|
|
|
function replace(regex, opt) {
|
|
regex = regex.source;
|
|
opt = opt || '';
|
|
return function self(name, val) {
|
|
if (!name) return new RegExp(regex, opt);
|
|
val = val.source || val;
|
|
val = val.replace(/(^|[^\[])\^/g, '$1');
|
|
regex = regex.replace(name, val);
|
|
return self;
|
|
};
|
|
}
|
|
|
|
function noop() {}
|
|
noop.exec = noop;
|
|
|
|
function merge(obj) {
|
|
var i = 1
|
|
, target
|
|
, key;
|
|
|
|
for (; i < arguments.length; i++) {
|
|
target = arguments[i];
|
|
for (key in target) {
|
|
if (Object.prototype.hasOwnProperty.call(target, key)) {
|
|
obj[key] = target[key];
|
|
}
|
|
}
|
|
}
|
|
|
|
return obj;
|
|
}
|
|
|
|
|
|
/**
|
|
* Marked
|
|
*/
|
|
|
|
function marked(src, opt, callback) {
|
|
if (callback || typeof opt === 'function') {
|
|
if (!callback) {
|
|
callback = opt;
|
|
opt = null;
|
|
}
|
|
|
|
opt = merge({}, marked.defaults, opt || {});
|
|
|
|
var highlight = opt.highlight
|
|
, tokens
|
|
, pending
|
|
, i = 0;
|
|
|
|
try {
|
|
tokens = Lexer.lex(src, opt)
|
|
} catch (e) {
|
|
return callback(e);
|
|
}
|
|
|
|
pending = tokens.length;
|
|
|
|
var done = function(err) {
|
|
if (err) {
|
|
opt.highlight = highlight;
|
|
return callback(err);
|
|
}
|
|
|
|
var out;
|
|
|
|
try {
|
|
out = Parser.parse(tokens, opt);
|
|
} catch (e) {
|
|
err = e;
|
|
}
|
|
|
|
opt.highlight = highlight;
|
|
|
|
return err
|
|
? callback(err)
|
|
: callback(null, out);
|
|
};
|
|
|
|
if (!highlight || highlight.length < 3) {
|
|
return done();
|
|
}
|
|
|
|
delete opt.highlight;
|
|
|
|
if (!pending) return done();
|
|
|
|
for (; i < tokens.length; i++) {
|
|
(function(token) {
|
|
if (token.type !== 'code') {
|
|
return --pending || done();
|
|
}
|
|
return highlight(token.text, token.lang, function(err, code) {
|
|
if (err) return done(err);
|
|
if (code == null || code === token.text) {
|
|
return --pending || done();
|
|
}
|
|
token.text = code;
|
|
token.escaped = true;
|
|
--pending || done();
|
|
});
|
|
})(tokens[i]);
|
|
}
|
|
|
|
return;
|
|
}
|
|
try {
|
|
if (opt) opt = merge({}, marked.defaults, opt);
|
|
return Parser.parse(Lexer.lex(src, opt), opt);
|
|
} catch (e) {
|
|
e.message += '\nPlease report this to https://github.com/chjj/marked.';
|
|
if ((opt || marked.defaults).silent) {
|
|
return '<p>An error occured:</p><pre>'
|
|
+ escape(e.message + '', true)
|
|
+ '</pre>';
|
|
}
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Options
|
|
*/
|
|
|
|
marked.options =
|
|
marked.setOptions = function(opt) {
|
|
merge(marked.defaults, opt);
|
|
return marked;
|
|
};
|
|
|
|
marked.defaults = {
|
|
gfm: true,
|
|
tables: true,
|
|
breaks: false,
|
|
pedantic: false,
|
|
sanitize: false,
|
|
smartLists: false,
|
|
silent: false,
|
|
highlight: null,
|
|
langPrefix: 'lang-',
|
|
smartypants: false,
|
|
headerPrefix: '',
|
|
renderer: new Renderer,
|
|
xhtml: false
|
|
};
|
|
|
|
/**
|
|
* Expose
|
|
*/
|
|
|
|
marked.Parser = Parser;
|
|
marked.parser = Parser.parse;
|
|
|
|
marked.Renderer = Renderer;
|
|
|
|
marked.Lexer = Lexer;
|
|
marked.lexer = Lexer.lex;
|
|
|
|
marked.InlineLexer = InlineLexer;
|
|
marked.inlineLexer = InlineLexer.output;
|
|
|
|
marked.parse = marked;
|
|
|
|
if (typeof module !== 'undefined' && typeof exports === 'object') {
|
|
module.exports = marked;
|
|
} else if (typeof define === 'function' && define.amd) {
|
|
define(function() { return marked; });
|
|
} else {
|
|
this.marked = marked;
|
|
}
|
|
|
|
}).call(function() {
|
|
return this || (typeof window !== 'undefined' ? window : global);
|
|
}()); |