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581 lines
20 KiB
581 lines
20 KiB
/*! |
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* HTML Parser By John Resig (ejohn.org) |
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* Modified by Juriy "kangax" Zaytsev |
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* Original code by Erik Arvidsson, Mozilla Public License |
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* http://erik.eae.net/simplehtmlparser/simplehtmlparser.js |
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*/ |
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|
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/* |
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* // Use like so: |
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* HTMLParser(htmlString, { |
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* start: function(tag, attrs, unary) {}, |
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* end: function(tag) {}, |
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* chars: function(text) {}, |
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* comment: function(text) {} |
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* }); |
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* |
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* // or to get an XML string: |
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* HTMLtoXML(htmlString); |
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* |
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* // or to get an XML DOM Document |
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* HTMLtoDOM(htmlString); |
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* |
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* // or to inject into an existing document/DOM node |
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* HTMLtoDOM(htmlString, document); |
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* HTMLtoDOM(htmlString, document.body); |
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* |
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*/ |
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|
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/* global ActiveXObject, DOMDocument */ |
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|
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'use strict'; |
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|
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var createMapFromString = require('./utils').createMapFromString; |
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var replaceAsync = require('./utils').replaceAsync; |
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|
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function makeMap(values) { |
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return createMapFromString(values, true); |
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} |
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|
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// Regular Expressions for parsing tags and attributes |
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var singleAttrIdentifier = /([^\s"'<>/=]+)/, |
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singleAttrAssigns = [/=/], |
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singleAttrValues = [ |
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// attr value double quotes |
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/"([^"]*)"+/.source, |
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// attr value, single quotes |
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/'([^']*)'+/.source, |
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// attr value, no quotes |
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/([^ \t\n\f\r"'`=<>]+)/.source |
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], |
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// https://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName |
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qnameCapture = (function() { |
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// based on https://www.npmjs.com/package/ncname |
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var combiningChar = '\\u0300-\\u0345\\u0360\\u0361\\u0483-\\u0486\\u0591-\\u05A1\\u05A3-\\u05B9\\u05BB-\\u05BD\\u05BF\\u05C1\\u05C2\\u05C4\\u064B-\\u0652\\u0670\\u06D6-\\u06E4\\u06E7\\u06E8\\u06EA-\\u06ED\\u0901-\\u0903\\u093C\\u093E-\\u094D\\u0951-\\u0954\\u0962\\u0963\\u0981-\\u0983\\u09BC\\u09BE-\\u09C4\\u09C7\\u09C8\\u09CB-\\u09CD\\u09D7\\u09E2\\u09E3\\u0A02\\u0A3C\\u0A3E-\\u0A42\\u0A47\\u0A48\\u0A4B-\\u0A4D\\u0A70\\u0A71\\u0A81-\\u0A83\\u0ABC\\u0ABE-\\u0AC5\\u0AC7-\\u0AC9\\u0ACB-\\u0ACD\\u0B01-\\u0B03\\u0B3C\\u0B3E-\\u0B43\\u0B47\\u0B48\\u0B4B-\\u0B4D\\u0B56\\u0B57\\u0B82\\u0B83\\u0BBE-\\u0BC2\\u0BC6-\\u0BC8\\u0BCA-\\u0BCD\\u0BD7\\u0C01-\\u0C03\\u0C3E-\\u0C44\\u0C46-\\u0C48\\u0C4A-\\u0C4D\\u0C55\\u0C56\\u0C82\\u0C83\\u0CBE-\\u0CC4\\u0CC6-\\u0CC8\\u0CCA-\\u0CCD\\u0CD5\\u0CD6\\u0D02\\u0D03\\u0D3E-\\u0D43\\u0D46-\\u0D48\\u0D4A-\\u0D4D\\u0D57\\u0E31\\u0E34-\\u0E3A\\u0E47-\\u0E4E\\u0EB1\\u0EB4-\\u0EB9\\u0EBB\\u0EBC\\u0EC8-\\u0ECD\\u0F18\\u0F19\\u0F35\\u0F37\\u0F39\\u0F3E\\u0F3F\\u0F71-\\u0F84\\u0F86-\\u0F8B\\u0F90-\\u0F95\\u0F97\\u0F99-\\u0FAD\\u0FB1-\\u0FB7\\u0FB9\\u20D0-\\u20DC\\u20E1\\u302A-\\u302F\\u3099\\u309A'; |
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var digit = '0-9\\u0660-\\u0669\\u06F0-\\u06F9\\u0966-\\u096F\\u09E6-\\u09EF\\u0A66-\\u0A6F\\u0AE6-\\u0AEF\\u0B66-\\u0B6F\\u0BE7-\\u0BEF\\u0C66-\\u0C6F\\u0CE6-\\u0CEF\\u0D66-\\u0D6F\\u0E50-\\u0E59\\u0ED0-\\u0ED9\\u0F20-\\u0F29'; |
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var extender = '\\xB7\\u02D0\\u02D1\\u0387\\u0640\\u0E46\\u0EC6\\u3005\\u3031-\\u3035\\u309D\\u309E\\u30FC-\\u30FE'; |
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var letter = 'A-Za-z\\xC0-\\xD6\\xD8-\\xF6\\xF8-\\u0131\\u0134-\\u013E\\u0141-\\u0148\\u014A-\\u017E\\u0180-\\u01C3\\u01CD-\\u01F0\\u01F4\\u01F5\\u01FA-\\u0217\\u0250-\\u02A8\\u02BB-\\u02C1\\u0386\\u0388-\\u038A\\u038C\\u038E-\\u03A1\\u03A3-\\u03CE\\u03D0-\\u03D6\\u03DA\\u03DC\\u03DE\\u03E0\\u03E2-\\u03F3\\u0401-\\u040C\\u040E-\\u044F\\u0451-\\u045C\\u045E-\\u0481\\u0490-\\u04C4\\u04C7\\u04C8\\u04CB\\u04CC\\u04D0-\\u04EB\\u04EE-\\u04F5\\u04F8\\u04F9\\u0531-\\u0556\\u0559\\u0561-\\u0586\\u05D0-\\u05EA\\u05F0-\\u05F2\\u0621-\\u063A\\u0641-\\u064A\\u0671-\\u06B7\\u06BA-\\u06BE\\u06C0-\\u06CE\\u06D0-\\u06D3\\u06D5\\u06E5\\u06E6\\u0905-\\u0939\\u093D\\u0958-\\u0961\\u0985-\\u098C\\u098F\\u0990\\u0993-\\u09A8\\u09AA-\\u09B0\\u09B2\\u09B6-\\u09B9\\u09DC\\u09DD\\u09DF-\\u09E1\\u09F0\\u09F1\\u0A05-\\u0A0A\\u0A0F\\u0A10\\u0A13-\\u0A28\\u0A2A-\\u0A30\\u0A32\\u0A33\\u0A35\\u0A36\\u0A38\\u0A39\\u0A59-\\u0A5C\\u0A5E\\u0A72-\\u0A74\\u0A85-\\u0A8B\\u0A8D\\u0A8F-\\u0A91\\u0A93-\\u0AA8\\u0AAA-\\u0AB0\\u0AB2\\u0AB3\\u0AB5-\\u0AB9\\u0ABD\\u0AE0\\u0B05-\\u0B0C\\u0B0F\\u0B10\\u0B13-\\u0B28\\u0B2A-\\u0B30\\u0B32\\u0B33\\u0B36-\\u0B39\\u0B3D\\u0B5C\\u0B5D\\u0B5F-\\u0B61\\u0B85-\\u0B8A\\u0B8E-\\u0B90\\u0B92-\\u0B95\\u0B99\\u0B9A\\u0B9C\\u0B9E\\u0B9F\\u0BA3\\u0BA4\\u0BA8-\\u0BAA\\u0BAE-\\u0BB5\\u0BB7-\\u0BB9\\u0C05-\\u0C0C\\u0C0E-\\u0C10\\u0C12-\\u0C28\\u0C2A-\\u0C33\\u0C35-\\u0C39\\u0C60\\u0C61\\u0C85-\\u0C8C\\u0C8E-\\u0C90\\u0C92-\\u0CA8\\u0CAA-\\u0CB3\\u0CB5-\\u0CB9\\u0CDE\\u0CE0\\u0CE1\\u0D05-\\u0D0C\\u0D0E-\\u0D10\\u0D12-\\u0D28\\u0D2A-\\u0D39\\u0D60\\u0D61\\u0E01-\\u0E2E\\u0E30\\u0E32\\u0E33\\u0E40-\\u0E45\\u0E81\\u0E82\\u0E84\\u0E87\\u0E88\\u0E8A\\u0E8D\\u0E94-\\u0E97\\u0E99-\\u0E9F\\u0EA1-\\u0EA3\\u0EA5\\u0EA7\\u0EAA\\u0EAB\\u0EAD\\u0EAE\\u0EB0\\u0EB2\\u0EB3\\u0EBD\\u0EC0-\\u0EC4\\u0F40-\\u0F47\\u0F49-\\u0F69\\u10A0-\\u10C5\\u10D0-\\u10F6\\u1100\\u1102\\u1103\\u1105-\\u1107\\u1109\\u110B\\u110C\\u110E-\\u1112\\u113C\\u113E\\u1140\\u114C\\u114E\\u1150\\u1154\\u1155\\u1159\\u115F-\\u1161\\u1163\\u1165\\u1167\\u1169\\u116D\\u116E\\u1172\\u1173\\u1175\\u119E\\u11A8\\u11AB\\u11AE\\u11AF\\u11B7\\u11B8\\u11BA\\u11BC-\\u11C2\\u11EB\\u11F0\\u11F9\\u1E00-\\u1E9B\\u1EA0-\\u1EF9\\u1F00-\\u1F15\\u1F18-\\u1F1D\\u1F20-\\u1F45\\u1F48-\\u1F4D\\u1F50-\\u1F57\\u1F59\\u1F5B\\u1F5D\\u1F5F-\\u1F7D\\u1F80-\\u1FB4\\u1FB6-\\u1FBC\\u1FBE\\u1FC2-\\u1FC4\\u1FC6-\\u1FCC\\u1FD0-\\u1FD3\\u1FD6-\\u1FDB\\u1FE0-\\u1FEC\\u1FF2-\\u1FF4\\u1FF6-\\u1FFC\\u2126\\u212A\\u212B\\u212E\\u2180-\\u2182\\u3007\\u3021-\\u3029\\u3041-\\u3094\\u30A1-\\u30FA\\u3105-\\u312C\\u4E00-\\u9FA5\\uAC00-\\uD7A3'; |
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var ncname = '[' + letter + '_][' + letter + digit + '\\.\\-_' + combiningChar + extender + ']*'; |
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return '((?:' + ncname + '\\:)?' + ncname + ')'; |
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})(), |
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startTagOpen = new RegExp('^<' + qnameCapture), |
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startTagClose = /^\s*(\/?)>/, |
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endTag = new RegExp('^<\\/' + qnameCapture + '[^>]*>'), |
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doctype = /^<!DOCTYPE\s?[^>]+>/i; |
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var IS_REGEX_CAPTURING_BROKEN = false; |
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'x'.replace(/x(.)?/g, function(m, g) { |
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IS_REGEX_CAPTURING_BROKEN = g === ''; |
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}); |
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|
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// Empty Elements |
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var empty = makeMap('area,base,basefont,br,col,embed,frame,hr,img,input,isindex,keygen,link,meta,param,source,track,wbr'); |
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|
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// Inline Elements |
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var inline = makeMap('a,abbr,acronym,applet,b,basefont,bdo,big,br,button,cite,code,del,dfn,em,font,i,iframe,img,input,ins,kbd,label,map,noscript,object,q,s,samp,script,select,small,span,strike,strong,sub,sup,svg,textarea,tt,u,var'); |
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// Elements that you can, intentionally, leave open |
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// (and which close themselves) |
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var closeSelf = makeMap('colgroup,dd,dt,li,option,p,td,tfoot,th,thead,tr,source'); |
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|
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// Attributes that have their values filled in disabled='disabled' |
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var fillAttrs = makeMap('checked,compact,declare,defer,disabled,ismap,multiple,nohref,noresize,noshade,nowrap,readonly,selected'); |
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// Special Elements (can contain anything) |
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var special = makeMap('script,style'); |
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|
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// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3 |
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// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content |
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var nonPhrasing = makeMap('address,article,aside,base,blockquote,body,caption,col,colgroup,dd,details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,ol,optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,title,tr,track,ul'); |
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var reCache = {}; |
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function attrForHandler(handler) { |
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var pattern = singleAttrIdentifier.source + |
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'(?:\\s*(' + joinSingleAttrAssigns(handler) + ')' + |
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'[ \\t\\n\\f\\r]*(?:' + singleAttrValues.join('|') + '))?'; |
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if (handler.customAttrSurround) { |
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var attrClauses = []; |
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for (var i = handler.customAttrSurround.length - 1; i >= 0; i--) { |
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attrClauses[i] = '(?:' + |
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'(' + handler.customAttrSurround[i][0].source + ')\\s*' + |
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pattern + |
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'\\s*(' + handler.customAttrSurround[i][1].source + ')' + |
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')'; |
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} |
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attrClauses.push('(?:' + pattern + ')'); |
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pattern = '(?:' + attrClauses.join('|') + ')'; |
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} |
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return new RegExp('^\\s*' + pattern); |
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} |
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function joinSingleAttrAssigns(handler) { |
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return singleAttrAssigns.concat( |
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handler.customAttrAssign || [] |
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).map(function(assign) { |
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return '(?:' + assign.source + ')'; |
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}).join('|'); |
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} |
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class HTMLParser { |
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constructor(html, handler) { |
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this.html = html; |
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this.handler = handler; |
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} |
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async parse() { |
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let html = this.html; |
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const handler = this.handler; |
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|
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var stack = [], lastTag; |
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var attribute = attrForHandler(handler); |
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var last, prevTag, nextTag; |
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while (html) { |
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last = html; |
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// Make sure we're not in a script or style element |
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if (!lastTag || !special(lastTag)) { |
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var textEnd = html.indexOf('<'); |
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if (textEnd === 0) { |
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// Comment: |
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if (/^<!--/.test(html)) { |
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var commentEnd = html.indexOf('-->'); |
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|
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if (commentEnd >= 0) { |
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if (handler.comment) { |
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await handler.comment(html.substring(4, commentEnd)); |
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} |
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html = html.substring(commentEnd + 3); |
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prevTag = ''; |
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continue; |
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} |
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} |
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|
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// https://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment |
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if (/^<!\[/.test(html)) { |
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var conditionalEnd = html.indexOf(']>'); |
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|
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if (conditionalEnd >= 0) { |
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if (handler.comment) { |
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await handler.comment(html.substring(2, conditionalEnd + 1), true /* non-standard */); |
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} |
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html = html.substring(conditionalEnd + 2); |
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prevTag = ''; |
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continue; |
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} |
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} |
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|
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// Doctype: |
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var doctypeMatch = html.match(doctype); |
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if (doctypeMatch) { |
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if (handler.doctype) { |
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handler.doctype(doctypeMatch[0]); |
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} |
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html = html.substring(doctypeMatch[0].length); |
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prevTag = ''; |
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continue; |
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} |
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|
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// End tag: |
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var endTagMatch = html.match(endTag); |
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if (endTagMatch) { |
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html = html.substring(endTagMatch[0].length); |
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await replaceAsync(endTagMatch[0], endTag, parseEndTag); |
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prevTag = '/' + endTagMatch[1].toLowerCase(); |
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continue; |
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} |
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|
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// Start tag: |
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var startTagMatch = parseStartTag(html); |
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if (startTagMatch) { |
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html = startTagMatch.rest; |
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await handleStartTag(startTagMatch); |
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prevTag = startTagMatch.tagName.toLowerCase(); |
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continue; |
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} |
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|
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// Treat `<` as text |
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if (handler.continueOnParseError) { |
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textEnd = html.indexOf('<', 1); |
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} |
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} |
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var text; |
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if (textEnd >= 0) { |
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text = html.substring(0, textEnd); |
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html = html.substring(textEnd); |
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} |
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else { |
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text = html; |
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html = ''; |
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} |
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|
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// next tag |
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var nextTagMatch = parseStartTag(html); |
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if (nextTagMatch) { |
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nextTag = nextTagMatch.tagName; |
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} |
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else { |
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nextTagMatch = html.match(endTag); |
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if (nextTagMatch) { |
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nextTag = '/' + nextTagMatch[1]; |
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} |
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else { |
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nextTag = ''; |
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} |
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} |
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|
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if (handler.chars) { |
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await handler.chars(text, prevTag, nextTag); |
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} |
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prevTag = ''; |
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} |
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else { |
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var stackedTag = lastTag.toLowerCase(); |
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var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)</' + stackedTag + '[^>]*>', 'i')); |
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|
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html = await replaceAsync(html, reStackedTag, async(_, text) => { |
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if (stackedTag !== 'script' && stackedTag !== 'style' && stackedTag !== 'noscript') { |
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text = text |
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.replace(/<!--([\s\S]*?)-->/g, '$1') |
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.replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1'); |
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} |
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if (handler.chars) { |
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await handler.chars(text); |
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} |
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return ''; |
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}); |
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|
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await parseEndTag('</' + stackedTag + '>', stackedTag); |
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} |
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|
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if (html === last) { |
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throw new Error('Parse Error: ' + html); |
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} |
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} |
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|
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if (!handler.partialMarkup) { |
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// Clean up any remaining tags |
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await parseEndTag(); |
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} |
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|
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function parseStartTag(input) { |
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var start = input.match(startTagOpen); |
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if (start) { |
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var match = { |
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tagName: start[1], |
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attrs: [] |
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}; |
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input = input.slice(start[0].length); |
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var end, attr; |
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while (!(end = input.match(startTagClose)) && (attr = input.match(attribute))) { |
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input = input.slice(attr[0].length); |
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match.attrs.push(attr); |
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} |
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if (end) { |
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match.unarySlash = end[1]; |
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match.rest = input.slice(end[0].length); |
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return match; |
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} |
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} |
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} |
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|
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async function closeIfFound(tagName) { |
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if (findTag(tagName) >= 0) { |
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await parseEndTag('', tagName); |
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return true; |
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} |
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} |
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|
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async function handleStartTag(match) { |
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var tagName = match.tagName; |
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var unarySlash = match.unarySlash; |
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|
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if (handler.html5) { |
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if (lastTag === 'p' && nonPhrasing(tagName)) { |
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await parseEndTag('', lastTag); |
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} |
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else if (tagName === 'tbody') { |
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await closeIfFound('thead'); |
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} |
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else if (tagName === 'tfoot') { |
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if (!await closeIfFound('tbody')) { |
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await closeIfFound('thead'); |
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} |
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} |
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if (tagName === 'col' && findTag('colgroup') < 0) { |
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lastTag = 'colgroup'; |
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stack.push({ tag: lastTag, attrs: [] }); |
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if (handler.start) { |
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await handler.start(lastTag, [], false, ''); |
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} |
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} |
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} |
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|
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if (!handler.html5 && !inline(tagName)) { |
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while (lastTag && inline(lastTag)) { |
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await parseEndTag('', lastTag); |
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} |
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} |
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|
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if (closeSelf(tagName) && lastTag === tagName) { |
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await parseEndTag('', tagName); |
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} |
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|
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var unary = empty(tagName) || tagName === 'html' && lastTag === 'head' || !!unarySlash; |
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|
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var attrs = match.attrs.map(function(args) { |
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var name, value, customOpen, customClose, customAssign, quote; |
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var ncp = 7; // number of captured parts, scalar |
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|
|
// hackish work around FF bug https://bugzilla.mozilla.org/show_bug.cgi?id=369778 |
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if (IS_REGEX_CAPTURING_BROKEN && args[0].indexOf('""') === -1) { |
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if (args[3] === '') { delete args[3]; } |
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if (args[4] === '') { delete args[4]; } |
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if (args[5] === '') { delete args[5]; } |
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} |
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|
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function populate(index) { |
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customAssign = args[index]; |
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value = args[index + 1]; |
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if (typeof value !== 'undefined') { |
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return '"'; |
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} |
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value = args[index + 2]; |
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if (typeof value !== 'undefined') { |
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return '\''; |
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} |
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value = args[index + 3]; |
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if (typeof value === 'undefined' && fillAttrs(name)) { |
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value = name; |
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} |
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return ''; |
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} |
|
|
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var j = 1; |
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if (handler.customAttrSurround) { |
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for (var i = 0, l = handler.customAttrSurround.length; i < l; i++, j += ncp) { |
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name = args[j + 1]; |
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if (name) { |
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quote = populate(j + 2); |
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customOpen = args[j]; |
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customClose = args[j + 6]; |
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break; |
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} |
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} |
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} |
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|
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if (!name && (name = args[j])) { |
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quote = populate(j + 1); |
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} |
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|
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return { |
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name: name, |
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value: value, |
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customAssign: customAssign || '=', |
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customOpen: customOpen || '', |
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customClose: customClose || '', |
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quote: quote || '' |
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}; |
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}); |
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|
|
if (!unary) { |
|
stack.push({ tag: tagName, attrs: attrs }); |
|
lastTag = tagName; |
|
unarySlash = ''; |
|
} |
|
|
|
if (handler.start) { |
|
await handler.start(tagName, attrs, unary, unarySlash); |
|
} |
|
} |
|
|
|
function findTag(tagName) { |
|
var pos; |
|
var needle = tagName.toLowerCase(); |
|
for (pos = stack.length - 1; pos >= 0; pos--) { |
|
if (stack[pos].tag.toLowerCase() === needle) { |
|
break; |
|
} |
|
} |
|
return pos; |
|
} |
|
|
|
async function parseEndTag(tag, tagName) { |
|
var pos; |
|
|
|
// Find the closest opened tag of the same type |
|
if (tagName) { |
|
pos = findTag(tagName); |
|
} |
|
// If no tag name is provided, clean shop |
|
else { |
|
pos = 0; |
|
} |
|
|
|
if (pos >= 0) { |
|
// Close all the open elements, up the stack |
|
for (var i = stack.length - 1; i >= pos; i--) { |
|
if (handler.end) { |
|
handler.end(stack[i].tag, stack[i].attrs, i > pos || !tag); |
|
} |
|
} |
|
|
|
// Remove the open elements from the stack |
|
stack.length = pos; |
|
lastTag = pos && stack[pos - 1].tag; |
|
} |
|
else if (tagName.toLowerCase() === 'br') { |
|
if (handler.start) { |
|
await handler.start(tagName, [], true, ''); |
|
} |
|
} |
|
else if (tagName.toLowerCase() === 'p') { |
|
if (handler.start) { |
|
await handler.start(tagName, [], false, '', true); |
|
} |
|
if (handler.end) { |
|
handler.end(tagName, []); |
|
} |
|
} |
|
} |
|
} |
|
} |
|
|
|
exports.HTMLParser = HTMLParser; |
|
exports.HTMLtoXML = function(html) { |
|
var results = ''; |
|
|
|
new HTMLParser(html, { |
|
start: function(tag, attrs, unary) { |
|
results += '<' + tag; |
|
|
|
for (var i = 0, len = attrs.length; i < len; i++) { |
|
results += ' ' + attrs[i].name + '="' + (attrs[i].value || '').replace(/"/g, '"') + '"'; |
|
} |
|
|
|
results += (unary ? '/' : '') + '>'; |
|
}, |
|
end: function(tag) { |
|
results += '</' + tag + '>'; |
|
}, |
|
chars: function(text) { |
|
results += text; |
|
}, |
|
comment: function(text) { |
|
results += '<!--' + text + '-->'; |
|
}, |
|
ignore: function(text) { |
|
results += text; |
|
} |
|
}); |
|
|
|
return results; |
|
}; |
|
|
|
exports.HTMLtoDOM = function(html, doc) { |
|
// There can be only one of these elements |
|
var one = { |
|
html: true, |
|
head: true, |
|
body: true, |
|
title: true |
|
}; |
|
|
|
// Enforce a structure for the document |
|
var structure = { |
|
link: 'head', |
|
base: 'head' |
|
}; |
|
|
|
if (doc) { |
|
doc = doc.ownerDocument || doc.getOwnerDocument && doc.getOwnerDocument() || doc; |
|
} |
|
else if (typeof DOMDocument !== 'undefined') { |
|
doc = new DOMDocument(); |
|
} |
|
else if (typeof document !== 'undefined' && document.implementation && document.implementation.createDocument) { |
|
doc = document.implementation.createDocument('', '', null); |
|
} |
|
else if (typeof ActiveX !== 'undefined') { |
|
doc = new ActiveXObject('Msxml.DOMDocument'); |
|
} |
|
|
|
var elems = [], |
|
documentElement = doc.documentElement || |
|
doc.getDocumentElement && doc.getDocumentElement(); |
|
|
|
// If we're dealing with an empty document then we |
|
// need to pre-populate it with the HTML document structure |
|
if (!documentElement && doc.createElement) { |
|
(function() { |
|
var html = doc.createElement('html'); |
|
var head = doc.createElement('head'); |
|
head.appendChild(doc.createElement('title')); |
|
html.appendChild(head); |
|
html.appendChild(doc.createElement('body')); |
|
doc.appendChild(html); |
|
})(); |
|
} |
|
|
|
// Find all the unique elements |
|
if (doc.getElementsByTagName) { |
|
for (var i in one) { |
|
one[i] = doc.getElementsByTagName(i)[0]; |
|
} |
|
} |
|
|
|
// If we're working with a document, inject contents into |
|
// the body element |
|
var curParentNode = one.body; |
|
|
|
new HTMLParser(html, { |
|
start: function(tagName, attrs, unary) { |
|
// If it's a pre-built element, then we can ignore |
|
// its construction |
|
if (one[tagName]) { |
|
curParentNode = one[tagName]; |
|
return; |
|
} |
|
|
|
var elem = doc.createElement(tagName); |
|
|
|
for (var attr in attrs) { |
|
elem.setAttribute(attrs[attr].name, attrs[attr].value); |
|
} |
|
|
|
if (structure[tagName] && typeof one[structure[tagName]] !== 'boolean') { |
|
one[structure[tagName]].appendChild(elem); |
|
} |
|
else if (curParentNode && curParentNode.appendChild) { |
|
curParentNode.appendChild(elem); |
|
} |
|
|
|
if (!unary) { |
|
elems.push(elem); |
|
curParentNode = elem; |
|
} |
|
}, |
|
end: function(/* tag */) { |
|
elems.length -= 1; |
|
|
|
// Init the new parentNode |
|
curParentNode = elems[elems.length - 1]; |
|
}, |
|
chars: function(text) { |
|
curParentNode.appendChild(doc.createTextNode(text)); |
|
}, |
|
comment: function(/* text */) { |
|
// create comment node |
|
}, |
|
ignore: function(/* text */) { |
|
// What to do here? |
|
} |
|
}); |
|
|
|
return doc; |
|
}; |
|
|
|
exports.endTag = endTag;
|
|
|