6 lines
15 KiB
JavaScript
6 lines
15 KiB
JavaScript
/**
|
||
* marked - a markdown parser
|
||
* Copyright (c) 2011-2014, Christopher Jeffrey. (MIT Licensed)
|
||
* https://github.com/chjj/marked
|
||
*/
|
||
(function(){function e(e){this.tokens=[],this.tokens.links={},this.options=e||a.defaults,this.rules=p.normal,this.options.gfm&&(this.rules=this.options.tables?p.tables:p.gfm)}function t(e,t){if(this.options=t||a.defaults,this.links=e,this.rules=u.normal,this.renderer=this.options.renderer||new n,this.renderer.options=this.options,!this.links)throw new Error("Tokens array requires a `links` property.");this.options.gfm?this.rules=this.options.breaks?u.breaks:u.gfm:this.options.pedantic&&(this.rules=u.pedantic)}function n(e){this.options=e||{}}function r(e){this.tokens=[],this.token=null,this.options=e||a.defaults,this.options.renderer=this.options.renderer||new n,this.renderer=this.options.renderer,this.renderer.options=this.options}function s(e,t){return e.replace(t?/&/g:/&(?!#?\w+;)/g,"&").replace(/</g,"<").replace(/>/g,">").replace(/"/g,""").replace(/'/g,"'")}function i(e){return e.replace(/&([#\w]+);/g,function(e,t){return t=t.toLowerCase(),"colon"===t?":":"#"===t.charAt(0)?String.fromCharCode("x"===t.charAt(1)?parseInt(t.substring(2),16):+t.substring(1)):""})}function l(e,t){return e=e.source,t=t||"",function n(r,s){return r?(s=s.source||s,s=s.replace(/(^|[^\[])\^/g,"$1"),e=e.replace(r,s),n):new RegExp(e,t)}}function o(){}function h(e){for(var t,n,r=1;r<arguments.length;r++){t=arguments[r];for(n in t)Object.prototype.hasOwnProperty.call(t,n)&&(e[n]=t[n])}return e}function a(t,n,i){if(i||"function"==typeof n){i||(i=n,n=null),n=h({},a.defaults,n||{});var l,o,p=n.highlight,u=0;try{l=e.lex(t,n)}catch(c){return i(c)}o=l.length;var g=function(e){if(e)return n.highlight=p,i(e);var t;try{t=r.parse(l,n)}catch(s){e=s}return n.highlight=p,e?i(e):i(null,t)};if(!p||p.length<3)return g();if(delete n.highlight,!o)return g();for(;u<l.length;u++)!function(e){return"code"!==e.type?--o||g():p(e.text,e.lang,function(t,n){return t?g(t):null==n||n===e.text?--o||g():(e.text=n,e.escaped=!0,void(--o||g()))})}(l[u])}else try{return n&&(n=h({},a.defaults,n)),r.parse(e.lex(t,n),n)}catch(c){if(c.message+="\nPlease report this to https://github.com/chjj/marked.",(n||a.defaults).silent)return"<p>An error occured:</p><pre>"+s(c.message+"",!0)+"</pre>";throw c}}var p={newline:/^\n+/,code:/^( {4}[^\n]+\n*)+/,fences:o,hr:/^( *[-*_]){3,} *(?:\n+|$)/,heading:/^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/,nptable:o,lheading:/^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/,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+|$)/,table:o,paragraph:/^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/,text:/^[^\n]+/};p.bullet=/(?:[*+-]|\d+\.)/,p.item=/^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/,p.item=l(p.item,"gm")(/bull/g,p.bullet)(),p.list=l(p.list)(/bull/g,p.bullet)("hr","\\n+(?=\\1?(?:[-*_] *){3,}(?:\\n+|$))")("def","\\n+(?="+p.def.source+")")(),p.blockquote=l(p.blockquote)("def",p.def)(),p._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",p.html=l(p.html)("comment",/<!--[\s\S]*?-->/)("closed",/<(tag)[\s\S]+?<\/\1>/)("closing",/<tag(?:"[^"]*"|'[^']*'|[^'">])*?>/)(/tag/g,p._tag)(),p.paragraph=l(p.paragraph)("hr",p.hr)("heading",p.heading)("lheading",p.lheading)("blockquote",p.blockquote)("tag","<"+p._tag)("def",p.def)(),p.normal=h({},p),p.gfm=h({},p.normal,{fences:/^ *(`{3,}|~{3,}) *(\S+)? *\n([\s\S]+?)\s*\1 *(?:\n+|$)/,paragraph:/^/}),p.gfm.paragraph=l(p.paragraph)("(?!","(?!"+p.gfm.fences.source.replace("\\1","\\2")+"|"+p.list.source.replace("\\1","\\3")+"|")(),p.tables=h({},p.gfm,{nptable:/^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/,table:/^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/}),e.rules=p,e.lex=function(t,n){var r=new e(n);return r.lex(t)},e.prototype.lex=function(e){return e=e.replace(/\r\n|\r/g,"\n").replace(/\t/g," ").replace(/\u00a0/g," ").replace(/\u2424/g,"\n"),this.token(e,!0)},e.prototype.token=function(e,t,n){for(var r,s,i,l,o,h,a,u,c,e=e.replace(/^ +$/gm,"");e;)if((i=this.rules.newline.exec(e))&&(e=e.substring(i[0].length),i[0].length>1&&this.tokens.push({type:"space"})),i=this.rules.code.exec(e))e=e.substring(i[0].length),i=i[0].replace(/^ {4}/gm,""),this.tokens.push({type:"code",text:this.options.pedantic?i:i.replace(/\n+$/,"")});else if(i=this.rules.fences.exec(e))e=e.substring(i[0].length),this.tokens.push({type:"code",lang:i[2],text:i[3]});else if(i=this.rules.heading.exec(e))e=e.substring(i[0].length),this.tokens.push({type:"heading",depth:i[1].length,text:i[2]});else if(t&&(i=this.rules.nptable.exec(e))){for(e=e.substring(i[0].length),h={type:"table",header:i[1].replace(/^ *| *\| *$/g,"").split(/ *\| */),align:i[2].replace(/^ *|\| *$/g,"").split(/ *\| */),cells:i[3].replace(/\n$/,"").split("\n")},u=0;u<h.align.length;u++)h.align[u]=/^ *-+: *$/.test(h.align[u])?"right":/^ *:-+: *$/.test(h.align[u])?"center":/^ *:-+ *$/.test(h.align[u])?"left":null;for(u=0;u<h.cells.length;u++)h.cells[u]=h.cells[u].split(/ *\| */);this.tokens.push(h)}else if(i=this.rules.lheading.exec(e))e=e.substring(i[0].length),this.tokens.push({type:"heading",depth:"="===i[2]?1:2,text:i[1]});else if(i=this.rules.hr.exec(e))e=e.substring(i[0].length),this.tokens.push({type:"hr"});else if(i=this.rules.blockquote.exec(e))e=e.substring(i[0].length),this.tokens.push({type:"blockquote_start"}),i=i[0].replace(/^ *> ?/gm,""),this.token(i,t,!0),this.tokens.push({type:"blockquote_end"});else if(i=this.rules.list.exec(e)){for(e=e.substring(i[0].length),l=i[2],this.tokens.push({type:"list_start",ordered:l.length>1}),i=i[0].match(this.rules.item),r=!1,c=i.length,u=0;c>u;u++)h=i[u],a=h.length,h=h.replace(/^ *([*+-]|\d+\.) +/,""),~h.indexOf("\n ")&&(a-=h.length,h=this.options.pedantic?h.replace(/^ {1,4}/gm,""):h.replace(new RegExp("^ {1,"+a+"}","gm"),"")),this.options.smartLists&&u!==c-1&&(o=p.bullet.exec(i[u+1])[0],l===o||l.length>1&&o.length>1||(e=i.slice(u+1).join("\n")+e,u=c-1)),s=r||/\n\n(?!\s*$)/.test(h),u!==c-1&&(r="\n"===h.charAt(h.length-1),s||(s=r)),this.tokens.push({type:s?"loose_item_start":"list_item_start"}),this.token(h,!1,n),this.tokens.push({type:"list_item_end"});this.tokens.push({type:"list_end"})}else if(i=this.rules.html.exec(e))e=e.substring(i[0].length),this.tokens.push({type:this.options.sanitize?"paragraph":"html",pre:"pre"===i[1]||"script"===i[1]||"style"===i[1],text:i[0]});else if(!n&&t&&(i=this.rules.def.exec(e)))e=e.substring(i[0].length),this.tokens.links[i[1].toLowerCase()]={href:i[2],title:i[3]};else if(t&&(i=this.rules.table.exec(e))){for(e=e.substring(i[0].length),h={type:"table",header:i[1].replace(/^ *| *\| *$/g,"").split(/ *\| */),align:i[2].replace(/^ *|\| *$/g,"").split(/ *\| */),cells:i[3].replace(/(?: *\| *)?\n$/,"").split("\n")},u=0;u<h.align.length;u++)h.align[u]=/^ *-+: *$/.test(h.align[u])?"right":/^ *:-+: *$/.test(h.align[u])?"center":/^ *:-+ *$/.test(h.align[u])?"left":null;for(u=0;u<h.cells.length;u++)h.cells[u]=h.cells[u].replace(/^ *\| *| *\| *$/g,"").split(/ *\| */);this.tokens.push(h)}else if(t&&(i=this.rules.paragraph.exec(e)))e=e.substring(i[0].length),this.tokens.push({type:"paragraph",text:"\n"===i[1].charAt(i[1].length-1)?i[1].slice(0,-1):i[1]});else if(i=this.rules.text.exec(e))e=e.substring(i[0].length),this.tokens.push({type:"text",text:i[0]});else if(e)throw new Error("Infinite loop on byte: "+e.charCodeAt(0));return this.tokens};var u={escape:/^\\([\\`*{}\[\]()#+\-.!_>])/,autolink:/^<([^ >]+(@|:\/)[^ >]+)>/,url:o,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:o,text:/^[\s\S]+?(?=[\\<!\[_*`]| {2,}\n|$)/};u._inside=/(?:\[[^\]]*\]|[^\[\]]|\](?=[^\[]*\]))*/,u._href=/\s*<?([\s\S]*?)>?(?:\s+['"]([\s\S]*?)['"])?\s*/,u.link=l(u.link)("inside",u._inside)("href",u._href)(),u.reflink=l(u.reflink)("inside",u._inside)(),u.normal=h({},u),u.pedantic=h({},u.normal,{strong:/^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,em:/^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/}),u.gfm=h({},u.normal,{escape:l(u.escape)("])","~|])")(),url:/^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/,del:/^~~(?=\S)([\s\S]*?\S)~~/,text:l(u.text)("]|","~]|")("|","|https?://|")()}),u.breaks=h({},u.gfm,{br:l(u.br)("{2,}","*")(),text:l(u.gfm.text)("{2,}","*")()}),t.rules=u,t.output=function(e,n,r){var s=new t(n,r);return s.output(e)},t.prototype.output=function(e){for(var t,n,r,i,l="";e;)if(i=this.rules.escape.exec(e))e=e.substring(i[0].length),l+=i[1];else if(i=this.rules.autolink.exec(e))e=e.substring(i[0].length),"@"===i[2]?(n=this.mangle(":"===i[1].charAt(6)?i[1].substring(7):i[1]),r=this.mangle("mailto:")+n):(n=s(i[1]),r=n),l+=this.renderer.link(r,null,n);else if(this.inLink||!(i=this.rules.url.exec(e))){if(i=this.rules.tag.exec(e))!this.inLink&&/^<a /i.test(i[0])?this.inLink=!0:this.inLink&&/^<\/a>/i.test(i[0])&&(this.inLink=!1),e=e.substring(i[0].length),l+=this.options.sanitize?s(i[0]):i[0];else if(i=this.rules.link.exec(e))e=e.substring(i[0].length),this.inLink=!0,l+=this.outputLink(i,{href:i[2],title:i[3]}),this.inLink=!1;else if((i=this.rules.reflink.exec(e))||(i=this.rules.nolink.exec(e))){if(e=e.substring(i[0].length),t=(i[2]||i[1]).replace(/\s+/g," "),t=this.links[t.toLowerCase()],!t||!t.href){l+=i[0].charAt(0),e=i[0].substring(1)+e;continue}this.inLink=!0,l+=this.outputLink(i,t),this.inLink=!1}else if(i=this.rules.strong.exec(e))e=e.substring(i[0].length),l+=this.renderer.strong(this.output(i[2]||i[1]));else if(i=this.rules.em.exec(e))e=e.substring(i[0].length),l+=this.renderer.em(this.output(i[2]||i[1]));else if(i=this.rules.code.exec(e))e=e.substring(i[0].length),l+=this.renderer.codespan(s(i[2],!0));else if(i=this.rules.br.exec(e))e=e.substring(i[0].length),l+=this.renderer.br();else if(i=this.rules.del.exec(e))e=e.substring(i[0].length),l+=this.renderer.del(this.output(i[1]));else if(i=this.rules.text.exec(e))e=e.substring(i[0].length),l+=s(this.smartypants(i[0]));else if(e)throw new Error("Infinite loop on byte: "+e.charCodeAt(0))}else e=e.substring(i[0].length),n=s(i[1]),r=n,l+=this.renderer.link(r,null,n);return l},t.prototype.outputLink=function(e,t){var n=s(t.href),r=t.title?s(t.title):null;return"!"!==e[0].charAt(0)?this.renderer.link(n,r,this.output(e[1])):this.renderer.image(n,r,s(e[1]))},t.prototype.smartypants=function(e){return this.options.smartypants?e.replace(/--/g,"—").replace(/(^|[-\u2014/(\[{"\s])'/g,"$1‘").replace(/'/g,"’").replace(/(^|[-\u2014/(\[{\u2018\s])"/g,"$1“").replace(/"/g,"”").replace(/\.{3}/g,"…"):e},t.prototype.mangle=function(e){for(var t,n="",r=e.length,s=0;r>s;s++)t=e.charCodeAt(s),Math.random()>.5&&(t="x"+t.toString(16)),n+="&#"+t+";";return n},n.prototype.code=function(e,t,n){if(this.options.highlight){var r=this.options.highlight(e,t);null!=r&&r!==e&&(n=!0,e=r)}return t?'<pre><code class="'+this.options.langPrefix+s(t,!0)+'">'+(n?e:s(e,!0))+"\n</code></pre>\n":"<pre><code>"+(n?e:s(e,!0))+"\n</code></pre>"},n.prototype.blockquote=function(e){return"<blockquote>\n"+e+"</blockquote>\n"},n.prototype.html=function(e){return e},n.prototype.heading=function(e,t,n){return"<h"+t+' id="'+this.options.headerPrefix+n.toLowerCase().replace(/[^\w]+/g,"-")+'">'+e+"</h"+t+">\n"},n.prototype.hr=function(){return this.options.xhtml?"<hr/>\n":"<hr>\n"},n.prototype.list=function(e,t){var n=t?"ol":"ul";return"<"+n+">\n"+e+"</"+n+">\n"},n.prototype.listitem=function(e){return"<li>"+e+"</li>\n"},n.prototype.paragraph=function(e){return"<p>"+e+"</p>\n"},n.prototype.table=function(e,t){return"<table>\n<thead>\n"+e+"</thead>\n<tbody>\n"+t+"</tbody>\n</table>\n"},n.prototype.tablerow=function(e){return"<tr>\n"+e+"</tr>\n"},n.prototype.tablecell=function(e,t){var n=t.header?"th":"td",r=t.align?"<"+n+' style="text-align:'+t.align+'">':"<"+n+">";return r+e+"</"+n+">\n"},n.prototype.strong=function(e){return"<strong>"+e+"</strong>"},n.prototype.em=function(e){return"<em>"+e+"</em>"},n.prototype.codespan=function(e){return"<code>"+e+"</code>"},n.prototype.br=function(){return this.options.xhtml?"<br/>":"<br>"},n.prototype.del=function(e){return"<del>"+e+"</del>"},n.prototype.link=function(e,t,n){if(this.options.sanitize){try{var r=decodeURIComponent(i(e)).replace(/[^\w:]/g,"").toLowerCase()}catch(s){return""}if(0===r.indexOf("javascript:")||0===r.indexOf("vbscript:"))return""}var l='<a href="'+e+'"';return t&&(l+=' title="'+t+'"'),l+=">"+n+"</a>"},n.prototype.image=function(e,t,n){var r='<img src="'+e+'" alt="'+n+'"';return t&&(r+=' title="'+t+'"'),r+=this.options.xhtml?"/>":">"},r.parse=function(e,t,n){var s=new r(t,n);return s.parse(e)},r.prototype.parse=function(e){this.inline=new t(e.links,this.options,this.renderer),this.tokens=e.reverse();for(var n="";this.next();)n+=this.tok();return n},r.prototype.next=function(){return this.token=this.tokens.pop()},r.prototype.peek=function(){return this.tokens[this.tokens.length-1]||0},r.prototype.parseText=function(){for(var e=this.token.text;"text"===this.peek().type;)e+="\n"+this.next().text;return this.inline.output(e)},r.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 e,t,n,r,s,i="",l="";for(n="",e=0;e<this.token.header.length;e++)r={header:!0,align:this.token.align[e]},n+=this.renderer.tablecell(this.inline.output(this.token.header[e]),{header:!0,align:this.token.align[e]});for(i+=this.renderer.tablerow(n),e=0;e<this.token.cells.length;e++){for(t=this.token.cells[e],n="",s=0;s<t.length;s++)n+=this.renderer.tablecell(this.inline.output(t[s]),{header:!1,align:this.token.align[s]});l+=this.renderer.tablerow(n)}return this.renderer.table(i,l);case"blockquote_start":for(var l="";"blockquote_end"!==this.next().type;)l+=this.tok();return this.renderer.blockquote(l);case"list_start":for(var l="",o=this.token.ordered;"list_end"!==this.next().type;)l+=this.tok();return this.renderer.list(l,o);case"list_item_start":for(var l="";"list_item_end"!==this.next().type;)l+="text"===this.token.type?this.parseText():this.tok();return this.renderer.listitem(l);case"loose_item_start":for(var l="";"list_item_end"!==this.next().type;)l+=this.tok();return this.renderer.listitem(l);case"html":var h=this.token.pre||this.options.pedantic?this.token.text:this.inline.output(this.token.text);return this.renderer.html(h);case"paragraph":return this.renderer.paragraph(this.inline.output(this.token.text));case"text":return this.renderer.paragraph(this.parseText())}},o.exec=o,a.options=a.setOptions=function(e){return h(a.defaults,e),a},a.defaults={gfm:!0,tables:!0,breaks:!1,pedantic:!1,sanitize:!1,smartLists:!1,silent:!1,highlight:null,langPrefix:"lang-",smartypants:!1,headerPrefix:"",renderer:new n,xhtml:!1},a.Parser=r,a.parser=r.parse,a.Renderer=n,a.Lexer=e,a.lexer=e.lex,a.InlineLexer=t,a.inlineLexer=t.output,a.parse=a,"undefined"!=typeof module&&"object"==typeof exports?module.exports=a:"function"==typeof define&&define.amd?define(function(){return a}):this.marked=a}).call(function(){return this||("undefined"!=typeof window?window:global)}()); |