From 366159a76a181ce9a0d83f5dc48205686cfaf9cc Mon Sep 17 00:00:00 2001
From: jinjinyun <jinyun.jin@gmail.com>
Date: Tue, 9 May 2017 13:07:32 +0800
Subject: [PATCH] remove __proto__ acceccor

---
 sax.js | 1249 ++++++++++++++++++++++++++++----------------------------
 1 file changed, 616 insertions(+), 633 deletions(-)

diff --git a/sax.js b/sax.js
index dc17cc2..f8b494e 100644
--- a/sax.js
+++ b/sax.js
@@ -1,633 +1,616 @@
-//[4]   	NameStartChar	   ::=   	":" | [A-Z] | "_" | [a-z] | [#xC0-#xD6] | [#xD8-#xF6] | [#xF8-#x2FF] | [#x370-#x37D] | [#x37F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF]
-//[4a]   	NameChar	   ::=   	NameStartChar | "-" | "." | [0-9] | #xB7 | [#x0300-#x036F] | [#x203F-#x2040]
-//[5]   	Name	   ::=   	NameStartChar (NameChar)*
-var nameStartChar = /[A-Z_a-z\xC0-\xD6\xD8-\xF6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]///\u10000-\uEFFFF
-var nameChar = new RegExp("[\\-\\.0-9"+nameStartChar.source.slice(1,-1)+"\\u00B7\\u0300-\\u036F\\u203F-\\u2040]");
-var tagNamePattern = new RegExp('^'+nameStartChar.source+nameChar.source+'*(?:\:'+nameStartChar.source+nameChar.source+'*)?$');
-//var tagNamePattern = /^[a-zA-Z_][\w\-\.]*(?:\:[a-zA-Z_][\w\-\.]*)?$/
-//var handlers = 'resolveEntity,getExternalSubset,characters,endDocument,endElement,endPrefixMapping,ignorableWhitespace,processingInstruction,setDocumentLocator,skippedEntity,startDocument,startElement,startPrefixMapping,notationDecl,unparsedEntityDecl,error,fatalError,warning,attributeDecl,elementDecl,externalEntityDecl,internalEntityDecl,comment,endCDATA,endDTD,endEntity,startCDATA,startDTD,startEntity'.split(',')
-
-//S_TAG,	S_ATTR,	S_EQ,	S_ATTR_NOQUOT_VALUE
-//S_ATTR_SPACE,	S_ATTR_END,	S_TAG_SPACE, S_TAG_CLOSE
-var S_TAG = 0;//tag name offerring
-var S_ATTR = 1;//attr name offerring 
-var S_ATTR_SPACE=2;//attr name end and space offer
-var S_EQ = 3;//=space?
-var S_ATTR_NOQUOT_VALUE = 4;//attr value(no quot value only)
-var S_ATTR_END = 5;//attr value end and no space(quot end)
-var S_TAG_SPACE = 6;//(attr value end || tag end ) && (space offer)
-var S_TAG_CLOSE = 7;//closed el<el />
-
-function XMLReader(){
-	
-}
-
-XMLReader.prototype = {
-	parse:function(source,defaultNSMap,entityMap){
-		var domBuilder = this.domBuilder;
-		domBuilder.startDocument();
-		_copy(defaultNSMap ,defaultNSMap = {})
-		parse(source,defaultNSMap,entityMap,
-				domBuilder,this.errorHandler);
-		domBuilder.endDocument();
-	}
-}
-function parse(source,defaultNSMapCopy,entityMap,domBuilder,errorHandler){
-	function fixedFromCharCode(code) {
-		// String.prototype.fromCharCode does not supports
-		// > 2 bytes unicode chars directly
-		if (code > 0xffff) {
-			code -= 0x10000;
-			var surrogate1 = 0xd800 + (code >> 10)
-				, surrogate2 = 0xdc00 + (code & 0x3ff);
-
-			return String.fromCharCode(surrogate1, surrogate2);
-		} else {
-			return String.fromCharCode(code);
-		}
-	}
-	function entityReplacer(a){
-		var k = a.slice(1,-1);
-		if(k in entityMap){
-			return entityMap[k]; 
-		}else if(k.charAt(0) === '#'){
-			return fixedFromCharCode(parseInt(k.substr(1).replace('x','0x')))
-		}else{
-			errorHandler.error('entity not found:'+a);
-			return a;
-		}
-	}
-	function appendText(end){//has some bugs
-		if(end>start){
-			var xt = source.substring(start,end).replace(/&#?\w+;/g,entityReplacer);
-			locator&&position(start);
-			domBuilder.characters(xt,0,end-start);
-			start = end
-		}
-	}
-	function position(p,m){
-		while(p>=lineEnd && (m = linePattern.exec(source))){
-			lineStart = m.index;
-			lineEnd = lineStart + m[0].length;
-			locator.lineNumber++;
-			//console.log('line++:',locator,startPos,endPos)
-		}
-		locator.columnNumber = p-lineStart+1;
-	}
-	var lineStart = 0;
-	var lineEnd = 0;
-	var linePattern = /.*(?:\r\n?|\n)|.*$/g
-	var locator = domBuilder.locator;
-	
-	var parseStack = [{currentNSMap:defaultNSMapCopy}]
-	var closeMap = {};
-	var start = 0;
-	while(true){
-		try{
-			var tagStart = source.indexOf('<',start);
-			if(tagStart<0){
-				if(!source.substr(start).match(/^\s*$/)){
-					var doc = domBuilder.doc;
-	    			var text = doc.createTextNode(source.substr(start));
-	    			doc.appendChild(text);
-	    			domBuilder.currentElement = text;
-				}
-				return;
-			}
-			if(tagStart>start){
-				appendText(tagStart);
-			}
-			switch(source.charAt(tagStart+1)){
-			case '/':
-				var end = source.indexOf('>',tagStart+3);
-				var tagName = source.substring(tagStart+2,end);
-				var config = parseStack.pop();
-				if(end<0){
-					
-	        		tagName = source.substring(tagStart+2).replace(/[\s<].*/,'');
-	        		//console.error('#@@@@@@'+tagName)
-	        		errorHandler.error("end tag name: "+tagName+' is not complete:'+config.tagName);
-	        		end = tagStart+1+tagName.length;
-	        	}else if(tagName.match(/\s</)){
-	        		tagName = tagName.replace(/[\s<].*/,'');
-	        		errorHandler.error("end tag name: "+tagName+' maybe not complete');
-	        		end = tagStart+1+tagName.length;
-				}
-				//console.error(parseStack.length,parseStack)
-				//console.error(config);
-				var localNSMap = config.localNSMap;
-				var endMatch = config.tagName == tagName;
-				var endIgnoreCaseMach = endMatch || config.tagName&&config.tagName.toLowerCase() == tagName.toLowerCase()
-		        if(endIgnoreCaseMach){
-		        	domBuilder.endElement(config.uri,config.localName,tagName);
-					if(localNSMap){
-						for(var prefix in localNSMap){
-							domBuilder.endPrefixMapping(prefix) ;
-						}
-					}
-					if(!endMatch){
-		            	errorHandler.fatalError("end tag name: "+tagName+' is not match the current start tagName:'+config.tagName );
-					}
-		        }else{
-		        	parseStack.push(config)
-		        }
-				
-				end++;
-				break;
-				// end elment
-			case '?':// <?...?>
-				locator&&position(tagStart);
-				end = parseInstruction(source,tagStart,domBuilder);
-				break;
-			case '!':// <!doctype,<![CDATA,<!--
-				locator&&position(tagStart);
-				end = parseDCC(source,tagStart,domBuilder,errorHandler);
-				break;
-			default:
-				locator&&position(tagStart);
-				var el = new ElementAttributes();
-				var currentNSMap = parseStack[parseStack.length-1].currentNSMap;
-				//elStartEnd
-				var end = parseElementStartPart(source,tagStart,el,currentNSMap,entityReplacer,errorHandler);
-				var len = el.length;
-				
-				
-				if(!el.closed && fixSelfClosed(source,end,el.tagName,closeMap)){
-					el.closed = true;
-					if(!entityMap.nbsp){
-						errorHandler.warning('unclosed xml attribute');
-					}
-				}
-				if(locator && len){
-					var locator2 = copyLocator(locator,{});
-					//try{//attribute position fixed
-					for(var i = 0;i<len;i++){
-						var a = el[i];
-						position(a.offset);
-						a.locator = copyLocator(locator,{});
-					}
-					//}catch(e){console.error('@@@@@'+e)}
-					domBuilder.locator = locator2
-					if(appendElement(el,domBuilder,currentNSMap)){
-						parseStack.push(el)
-					}
-					domBuilder.locator = locator;
-				}else{
-					if(appendElement(el,domBuilder,currentNSMap)){
-						parseStack.push(el)
-					}
-				}
-				
-				
-				
-				if(el.uri === 'http://www.w3.org/1999/xhtml' && !el.closed){
-					end = parseHtmlSpecialContent(source,end,el.tagName,entityReplacer,domBuilder)
-				}else{
-					end++;
-				}
-			}
-		}catch(e){
-			errorHandler.error('element parse error: '+e)
-			//errorHandler.error('element parse error: '+e);
-			end = -1;
-			//throw e;
-		}
-		if(end>start){
-			start = end;
-		}else{
-			//TODO: 这里有可能sax回退，有位置错误风险
-			appendText(Math.max(tagStart,start)+1);
-		}
-	}
-}
-function copyLocator(f,t){
-	t.lineNumber = f.lineNumber;
-	t.columnNumber = f.columnNumber;
-	return t;
-}
-
-/**
- * @see #appendElement(source,elStartEnd,el,selfClosed,entityReplacer,domBuilder,parseStack);
- * @return end of the elementStartPart(end of elementEndPart for selfClosed el)
- */
-function parseElementStartPart(source,start,el,currentNSMap,entityReplacer,errorHandler){
-	var attrName;
-	var value;
-	var p = ++start;
-	var s = S_TAG;//status
-	while(true){
-		var c = source.charAt(p);
-		switch(c){
-		case '=':
-			if(s === S_ATTR){//attrName
-				attrName = source.slice(start,p);
-				s = S_EQ;
-			}else if(s === S_ATTR_SPACE){
-				s = S_EQ;
-			}else{
-				//fatalError: equal must after attrName or space after attrName
-				throw new Error('attribute equal must after attrName');
-			}
-			break;
-		case '\'':
-		case '"':
-			if(s === S_EQ || s === S_ATTR //|| s == S_ATTR_SPACE
-				){//equal
-				if(s === S_ATTR){
-					errorHandler.warning('attribute value must after "="')
-					attrName = source.slice(start,p)
-				}
-				start = p+1;
-				p = source.indexOf(c,start)
-				if(p>0){
-					value = source.slice(start,p).replace(/&#?\w+;/g,entityReplacer);
-					el.add(attrName,value,start-1);
-					s = S_ATTR_END;
-				}else{
-					//fatalError: no end quot match
-					throw new Error('attribute value no end \''+c+'\' match');
-				}
-			}else if(s == S_ATTR_NOQUOT_VALUE){
-				value = source.slice(start,p).replace(/&#?\w+;/g,entityReplacer);
-				//console.log(attrName,value,start,p)
-				el.add(attrName,value,start);
-				//console.dir(el)
-				errorHandler.warning('attribute "'+attrName+'" missed start quot('+c+')!!');
-				start = p+1;
-				s = S_ATTR_END
-			}else{
-				//fatalError: no equal before
-				throw new Error('attribute value must after "="');
-			}
-			break;
-		case '/':
-			switch(s){
-			case S_TAG:
-				el.setTagName(source.slice(start,p));
-			case S_ATTR_END:
-			case S_TAG_SPACE:
-			case S_TAG_CLOSE:
-				s =S_TAG_CLOSE;
-				el.closed = true;
-			case S_ATTR_NOQUOT_VALUE:
-			case S_ATTR:
-			case S_ATTR_SPACE:
-				break;
-			//case S_EQ:
-			default:
-				throw new Error("attribute invalid close char('/')")
-			}
-			break;
-		case ''://end document
-			//throw new Error('unexpected end of input')
-			errorHandler.error('unexpected end of input');
-			if(s == S_TAG){
-				el.setTagName(source.slice(start,p));
-			}
-			return p;
-		case '>':
-			switch(s){
-			case S_TAG:
-				el.setTagName(source.slice(start,p));
-			case S_ATTR_END:
-			case S_TAG_SPACE:
-			case S_TAG_CLOSE:
-				break;//normal
-			case S_ATTR_NOQUOT_VALUE://Compatible state
-			case S_ATTR:
-				value = source.slice(start,p);
-				if(value.slice(-1) === '/'){
-					el.closed  = true;
-					value = value.slice(0,-1)
-				}
-			case S_ATTR_SPACE:
-				if(s === S_ATTR_SPACE){
-					value = attrName;
-				}
-				if(s == S_ATTR_NOQUOT_VALUE){
-					errorHandler.warning('attribute "'+value+'" missed quot(")!!');
-					el.add(attrName,value.replace(/&#?\w+;/g,entityReplacer),start)
-				}else{
-					if(currentNSMap[''] !== 'http://www.w3.org/1999/xhtml' || !value.match(/^(?:disabled|checked|selected)$/i)){
-						errorHandler.warning('attribute "'+value+'" missed value!! "'+value+'" instead!!')
-					}
-					el.add(value,value,start)
-				}
-				break;
-			case S_EQ:
-				throw new Error('attribute value missed!!');
-			}
-//			console.log(tagName,tagNamePattern,tagNamePattern.test(tagName))
-			return p;
-		/*xml space '\x20' | #x9 | #xD | #xA; */
-		case '\u0080':
-			c = ' ';
-		default:
-			if(c<= ' '){//space
-				switch(s){
-				case S_TAG:
-					el.setTagName(source.slice(start,p));//tagName
-					s = S_TAG_SPACE;
-					break;
-				case S_ATTR:
-					attrName = source.slice(start,p)
-					s = S_ATTR_SPACE;
-					break;
-				case S_ATTR_NOQUOT_VALUE:
-					var value = source.slice(start,p).replace(/&#?\w+;/g,entityReplacer);
-					errorHandler.warning('attribute "'+value+'" missed quot(")!!');
-					el.add(attrName,value,start)
-				case S_ATTR_END:
-					s = S_TAG_SPACE;
-					break;
-				//case S_TAG_SPACE:
-				//case S_EQ:
-				//case S_ATTR_SPACE:
-				//	void();break;
-				//case S_TAG_CLOSE:
-					//ignore warning
-				}
-			}else{//not space
-//S_TAG,	S_ATTR,	S_EQ,	S_ATTR_NOQUOT_VALUE
-//S_ATTR_SPACE,	S_ATTR_END,	S_TAG_SPACE, S_TAG_CLOSE
-				switch(s){
-				//case S_TAG:void();break;
-				//case S_ATTR:void();break;
-				//case S_ATTR_NOQUOT_VALUE:void();break;
-				case S_ATTR_SPACE:
-					var tagName =  el.tagName;
-					if(currentNSMap[''] !== 'http://www.w3.org/1999/xhtml' || !attrName.match(/^(?:disabled|checked|selected)$/i)){
-						errorHandler.warning('attribute "'+attrName+'" missed value!! "'+attrName+'" instead2!!')
-					}
-					el.add(attrName,attrName,start);
-					start = p;
-					s = S_ATTR;
-					break;
-				case S_ATTR_END:
-					errorHandler.warning('attribute space is required"'+attrName+'"!!')
-				case S_TAG_SPACE:
-					s = S_ATTR;
-					start = p;
-					break;
-				case S_EQ:
-					s = S_ATTR_NOQUOT_VALUE;
-					start = p;
-					break;
-				case S_TAG_CLOSE:
-					throw new Error("elements closed character '/' and '>' must be connected to");
-				}
-			}
-		}//end outer switch
-		//console.log('p++',p)
-		p++;
-	}
-}
-/**
- * @return true if has new namespace define
- */
-function appendElement(el,domBuilder,currentNSMap){
-	var tagName = el.tagName;
-	var localNSMap = null;
-	//var currentNSMap = parseStack[parseStack.length-1].currentNSMap;
-	var i = el.length;
-	while(i--){
-		var a = el[i];
-		var qName = a.qName;
-		var value = a.value;
-		var nsp = qName.indexOf(':');
-		if(nsp>0){
-			var prefix = a.prefix = qName.slice(0,nsp);
-			var localName = qName.slice(nsp+1);
-			var nsPrefix = prefix === 'xmlns' && localName
-		}else{
-			localName = qName;
-			prefix = null
-			nsPrefix = qName === 'xmlns' && ''
-		}
-		//can not set prefix,because prefix !== ''
-		a.localName = localName ;
-		//prefix == null for no ns prefix attribute 
-		if(nsPrefix !== false){//hack!!
-			if(localNSMap == null){
-				localNSMap = {}
-				//console.log(currentNSMap,0)
-				_copy(currentNSMap,currentNSMap={})
-				//console.log(currentNSMap,1)
-			}
-			currentNSMap[nsPrefix] = localNSMap[nsPrefix] = value;
-			a.uri = 'http://www.w3.org/2000/xmlns/'
-			domBuilder.startPrefixMapping(nsPrefix, value) 
-		}
-	}
-	var i = el.length;
-	while(i--){
-		a = el[i];
-		var prefix = a.prefix;
-		if(prefix){//no prefix attribute has no namespace
-			if(prefix === 'xml'){
-				a.uri = 'http://www.w3.org/XML/1998/namespace';
-			}if(prefix !== 'xmlns'){
-				a.uri = currentNSMap[prefix || '']
-				
-				//{console.log('###'+a.qName,domBuilder.locator.systemId+'',currentNSMap,a.uri)}
-			}
-		}
-	}
-	var nsp = tagName.indexOf(':');
-	if(nsp>0){
-		prefix = el.prefix = tagName.slice(0,nsp);
-		localName = el.localName = tagName.slice(nsp+1);
-	}else{
-		prefix = null;//important!!
-		localName = el.localName = tagName;
-	}
-	//no prefix element has default namespace
-	var ns = el.uri = currentNSMap[prefix || ''];
-	domBuilder.startElement(ns,localName,tagName,el);
-	//endPrefixMapping and startPrefixMapping have not any help for dom builder
-	//localNSMap = null
-	if(el.closed){
-		domBuilder.endElement(ns,localName,tagName);
-		if(localNSMap){
-			for(prefix in localNSMap){
-				domBuilder.endPrefixMapping(prefix) 
-			}
-		}
-	}else{
-		el.currentNSMap = currentNSMap;
-		el.localNSMap = localNSMap;
-		//parseStack.push(el);
-		return true;
-	}
-}
-function parseHtmlSpecialContent(source,elStartEnd,tagName,entityReplacer,domBuilder){
-	if(/^(?:script|textarea)$/i.test(tagName)){
-		var elEndStart =  source.indexOf('</'+tagName+'>',elStartEnd);
-		var text = source.substring(elStartEnd+1,elEndStart);
-		if(/[&<]/.test(text)){
-			if(/^script$/i.test(tagName)){
-				//if(!/\]\]>/.test(text)){
-					//lexHandler.startCDATA();
-					domBuilder.characters(text,0,text.length);
-					//lexHandler.endCDATA();
-					return elEndStart;
-				//}
-			}//}else{//text area
-				text = text.replace(/&#?\w+;/g,entityReplacer);
-				domBuilder.characters(text,0,text.length);
-				return elEndStart;
-			//}
-			
-		}
-	}
-	return elStartEnd+1;
-}
-function fixSelfClosed(source,elStartEnd,tagName,closeMap){
-	//if(tagName in closeMap){
-	var pos = closeMap[tagName];
-	if(pos == null){
-		//console.log(tagName)
-		pos =  source.lastIndexOf('</'+tagName+'>')
-		if(pos<elStartEnd){//忘记闭合
-			pos = source.lastIndexOf('</'+tagName)
-		}
-		closeMap[tagName] =pos
-	}
-	return pos<elStartEnd;
-	//} 
-}
-function _copy(source,target){
-	for(var n in source){target[n] = source[n]}
-}
-function parseDCC(source,start,domBuilder,errorHandler){//sure start with '<!'
-	var next= source.charAt(start+2)
-	switch(next){
-	case '-':
-		if(source.charAt(start + 3) === '-'){
-			var end = source.indexOf('-->',start+4);
-			//append comment source.substring(4,end)//<!--
-			if(end>start){
-				domBuilder.comment(source,start+4,end-start-4);
-				return end+3;
-			}else{
-				errorHandler.error("Unclosed comment");
-				return -1;
-			}
-		}else{
-			//error
-			return -1;
-		}
-	default:
-		if(source.substr(start+3,6) == 'CDATA['){
-			var end = source.indexOf(']]>',start+9);
-			domBuilder.startCDATA();
-			domBuilder.characters(source,start+9,end-start-9);
-			domBuilder.endCDATA() 
-			return end+3;
-		}
-		//<!DOCTYPE
-		//startDTD(java.lang.String name, java.lang.String publicId, java.lang.String systemId) 
-		var matchs = split(source,start);
-		var len = matchs.length;
-		if(len>1 && /!doctype/i.test(matchs[0][0])){
-			var name = matchs[1][0];
-			var pubid = len>3 && /^public$/i.test(matchs[2][0]) && matchs[3][0]
-			var sysid = len>4 && matchs[4][0];
-			var lastMatch = matchs[len-1]
-			domBuilder.startDTD(name,pubid && pubid.replace(/^(['"])(.*?)\1$/,'$2'),
-					sysid && sysid.replace(/^(['"])(.*?)\1$/,'$2'));
-			domBuilder.endDTD();
-			
-			return lastMatch.index+lastMatch[0].length
-		}
-	}
-	return -1;
-}
-
-
-
-function parseInstruction(source,start,domBuilder){
-	var end = source.indexOf('?>',start);
-	if(end){
-		var match = source.substring(start,end).match(/^<\?(\S*)\s*([\s\S]*?)\s*$/);
-		if(match){
-			var len = match[0].length;
-			domBuilder.processingInstruction(match[1], match[2]) ;
-			return end+2;
-		}else{//error
-			return -1;
-		}
-	}
-	return -1;
-}
-
-/**
- * @param source
- */
-function ElementAttributes(source){
-	
-}
-ElementAttributes.prototype = {
-	setTagName:function(tagName){
-		if(!tagNamePattern.test(tagName)){
-			throw new Error('invalid tagName:'+tagName)
-		}
-		this.tagName = tagName
-	},
-	add:function(qName,value,offset){
-		if(!tagNamePattern.test(qName)){
-			throw new Error('invalid attribute:'+qName)
-		}
-		this[this.length++] = {qName:qName,value:value,offset:offset}
-	},
-	length:0,
-	getLocalName:function(i){return this[i].localName},
-	getLocator:function(i){return this[i].locator},
-	getQName:function(i){return this[i].qName},
-	getURI:function(i){return this[i].uri},
-	getValue:function(i){return this[i].value}
-//	,getIndex:function(uri, localName)){
-//		if(localName){
-//			
-//		}else{
-//			var qName = uri
-//		}
-//	},
-//	getValue:function(){return this.getValue(this.getIndex.apply(this,arguments))},
-//	getType:function(uri,localName){}
-//	getType:function(i){},
-}
-
-
-
-
-function _set_proto_(thiz,parent){
-	thiz.__proto__ = parent;
-	return thiz;
-}
-if(!(_set_proto_({},_set_proto_.prototype) instanceof _set_proto_)){
-	_set_proto_ = function(thiz,parent){
-		function p(){};
-		p.prototype = parent;
-		p = new p();
-		for(parent in thiz){
-			p[parent] = thiz[parent];
-		}
-		return p;
-	}
-}
-
-function split(source,start){
-	var match;
-	var buf = [];
-	var reg = /'[^']+'|"[^"]+"|[^\s<>\/=]+=?|(\/?\s*>|<)/g;
-	reg.lastIndex = start;
-	reg.exec(source);//skip <
-	while(match = reg.exec(source)){
-		buf.push(match);
-		if(match[1])return buf;
-	}
-}
-
-exports.XMLReader = XMLReader;
-
+//[4]   	NameStartChar	   ::=   	":" | [A-Z] | "_" | [a-z] | [#xC0-#xD6] | [#xD8-#xF6] | [#xF8-#x2FF] | [#x370-#x37D] | [#x37F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF]
+//[4a]   	NameChar	   ::=   	NameStartChar | "-" | "." | [0-9] | #xB7 | [#x0300-#x036F] | [#x203F-#x2040]
+//[5]   	Name	   ::=   	NameStartChar (NameChar)*
+var nameStartChar = /[A-Z_a-z\xC0-\xD6\xD8-\xF6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]///\u10000-\uEFFFF
+var nameChar = new RegExp("[\\-\\.0-9"+nameStartChar.source.slice(1,-1)+"\\u00B7\\u0300-\\u036F\\u203F-\\u2040]");
+var tagNamePattern = new RegExp('^'+nameStartChar.source+nameChar.source+'*(?:\:'+nameStartChar.source+nameChar.source+'*)?$');
+//var tagNamePattern = /^[a-zA-Z_][\w\-\.]*(?:\:[a-zA-Z_][\w\-\.]*)?$/
+//var handlers = 'resolveEntity,getExternalSubset,characters,endDocument,endElement,endPrefixMapping,ignorableWhitespace,processingInstruction,setDocumentLocator,skippedEntity,startDocument,startElement,startPrefixMapping,notationDecl,unparsedEntityDecl,error,fatalError,warning,attributeDecl,elementDecl,externalEntityDecl,internalEntityDecl,comment,endCDATA,endDTD,endEntity,startCDATA,startDTD,startEntity'.split(',')
+
+//S_TAG,	S_ATTR,	S_EQ,	S_ATTR_NOQUOT_VALUE
+//S_ATTR_SPACE,	S_ATTR_END,	S_TAG_SPACE, S_TAG_CLOSE
+var S_TAG = 0;//tag name offerring
+var S_ATTR = 1;//attr name offerring 
+var S_ATTR_SPACE=2;//attr name end and space offer
+var S_EQ = 3;//=space?
+var S_ATTR_NOQUOT_VALUE = 4;//attr value(no quot value only)
+var S_ATTR_END = 5;//attr value end and no space(quot end)
+var S_TAG_SPACE = 6;//(attr value end || tag end ) && (space offer)
+var S_TAG_CLOSE = 7;//closed el<el />
+
+function XMLReader(){
+	
+}
+
+XMLReader.prototype = {
+	parse:function(source,defaultNSMap,entityMap){
+		var domBuilder = this.domBuilder;
+		domBuilder.startDocument();
+		_copy(defaultNSMap ,defaultNSMap = {})
+		parse(source,defaultNSMap,entityMap,
+				domBuilder,this.errorHandler);
+		domBuilder.endDocument();
+	}
+}
+function parse(source,defaultNSMapCopy,entityMap,domBuilder,errorHandler){
+	function fixedFromCharCode(code) {
+		// String.prototype.fromCharCode does not supports
+		// > 2 bytes unicode chars directly
+		if (code > 0xffff) {
+			code -= 0x10000;
+			var surrogate1 = 0xd800 + (code >> 10)
+				, surrogate2 = 0xdc00 + (code & 0x3ff);
+
+			return String.fromCharCode(surrogate1, surrogate2);
+		} else {
+			return String.fromCharCode(code);
+		}
+	}
+	function entityReplacer(a){
+		var k = a.slice(1,-1);
+		if(k in entityMap){
+			return entityMap[k]; 
+		}else if(k.charAt(0) === '#'){
+			return fixedFromCharCode(parseInt(k.substr(1).replace('x','0x')))
+		}else{
+			errorHandler.error('entity not found:'+a);
+			return a;
+		}
+	}
+	function appendText(end){//has some bugs
+		if(end>start){
+			var xt = source.substring(start,end).replace(/&#?\w+;/g,entityReplacer);
+			locator&&position(start);
+			domBuilder.characters(xt,0,end-start);
+			start = end
+		}
+	}
+	function position(p,m){
+		while(p>=lineEnd && (m = linePattern.exec(source))){
+			lineStart = m.index;
+			lineEnd = lineStart + m[0].length;
+			locator.lineNumber++;
+			//console.log('line++:',locator,startPos,endPos)
+		}
+		locator.columnNumber = p-lineStart+1;
+	}
+	var lineStart = 0;
+	var lineEnd = 0;
+	var linePattern = /.*(?:\r\n?|\n)|.*$/g
+	var locator = domBuilder.locator;
+	
+	var parseStack = [{currentNSMap:defaultNSMapCopy}]
+	var closeMap = {};
+	var start = 0;
+	while(true){
+		try{
+			var tagStart = source.indexOf('<',start);
+			if(tagStart<0){
+				if(!source.substr(start).match(/^\s*$/)){
+					var doc = domBuilder.doc;
+	    			var text = doc.createTextNode(source.substr(start));
+	    			doc.appendChild(text);
+	    			domBuilder.currentElement = text;
+				}
+				return;
+			}
+			if(tagStart>start){
+				appendText(tagStart);
+			}
+			switch(source.charAt(tagStart+1)){
+			case '/':
+				var end = source.indexOf('>',tagStart+3);
+				var tagName = source.substring(tagStart+2,end);
+				var config = parseStack.pop();
+				if(end<0){
+					
+	        		tagName = source.substring(tagStart+2).replace(/[\s<].*/,'');
+	        		//console.error('#@@@@@@'+tagName)
+	        		errorHandler.error("end tag name: "+tagName+' is not complete:'+config.tagName);
+	        		end = tagStart+1+tagName.length;
+	        	}else if(tagName.match(/\s</)){
+	        		tagName = tagName.replace(/[\s<].*/,'');
+	        		errorHandler.error("end tag name: "+tagName+' maybe not complete');
+	        		end = tagStart+1+tagName.length;
+				}
+				//console.error(parseStack.length,parseStack)
+				//console.error(config);
+				var localNSMap = config.localNSMap;
+				var endMatch = config.tagName == tagName;
+				var endIgnoreCaseMach = endMatch || config.tagName&&config.tagName.toLowerCase() == tagName.toLowerCase()
+		        if(endIgnoreCaseMach){
+		        	domBuilder.endElement(config.uri,config.localName,tagName);
+					if(localNSMap){
+						for(var prefix in localNSMap){
+							domBuilder.endPrefixMapping(prefix) ;
+						}
+					}
+					if(!endMatch){
+		            	errorHandler.fatalError("end tag name: "+tagName+' is not match the current start tagName:'+config.tagName );
+					}
+		        }else{
+		        	parseStack.push(config)
+		        }
+				
+				end++;
+				break;
+				// end elment
+			case '?':// <?...?>
+				locator&&position(tagStart);
+				end = parseInstruction(source,tagStart,domBuilder);
+				break;
+			case '!':// <!doctype,<![CDATA,<!--
+				locator&&position(tagStart);
+				end = parseDCC(source,tagStart,domBuilder,errorHandler);
+				break;
+			default:
+				locator&&position(tagStart);
+				var el = new ElementAttributes();
+				var currentNSMap = parseStack[parseStack.length-1].currentNSMap;
+				//elStartEnd
+				var end = parseElementStartPart(source,tagStart,el,currentNSMap,entityReplacer,errorHandler);
+				var len = el.length;
+				
+				
+				if(!el.closed && fixSelfClosed(source,end,el.tagName,closeMap)){
+					el.closed = true;
+					if(!entityMap.nbsp){
+						errorHandler.warning('unclosed xml attribute');
+					}
+				}
+				if(locator && len){
+					var locator2 = copyLocator(locator,{});
+					//try{//attribute position fixed
+					for(var i = 0;i<len;i++){
+						var a = el[i];
+						position(a.offset);
+						a.locator = copyLocator(locator,{});
+					}
+					//}catch(e){console.error('@@@@@'+e)}
+					domBuilder.locator = locator2
+					if(appendElement(el,domBuilder,currentNSMap)){
+						parseStack.push(el)
+					}
+					domBuilder.locator = locator;
+				}else{
+					if(appendElement(el,domBuilder,currentNSMap)){
+						parseStack.push(el)
+					}
+				}
+				
+				
+				
+				if(el.uri === 'http://www.w3.org/1999/xhtml' && !el.closed){
+					end = parseHtmlSpecialContent(source,end,el.tagName,entityReplacer,domBuilder)
+				}else{
+					end++;
+				}
+			}
+		}catch(e){
+			errorHandler.error('element parse error: '+e)
+			//errorHandler.error('element parse error: '+e);
+			end = -1;
+			//throw e;
+		}
+		if(end>start){
+			start = end;
+		}else{
+			//TODO: 这里有可能sax回退，有位置错误风险
+			appendText(Math.max(tagStart,start)+1);
+		}
+	}
+}
+function copyLocator(f,t){
+	t.lineNumber = f.lineNumber;
+	t.columnNumber = f.columnNumber;
+	return t;
+}
+
+/**
+ * @see #appendElement(source,elStartEnd,el,selfClosed,entityReplacer,domBuilder,parseStack);
+ * @return end of the elementStartPart(end of elementEndPart for selfClosed el)
+ */
+function parseElementStartPart(source,start,el,currentNSMap,entityReplacer,errorHandler){
+	var attrName;
+	var value;
+	var p = ++start;
+	var s = S_TAG;//status
+	while(true){
+		var c = source.charAt(p);
+		switch(c){
+		case '=':
+			if(s === S_ATTR){//attrName
+				attrName = source.slice(start,p);
+				s = S_EQ;
+			}else if(s === S_ATTR_SPACE){
+				s = S_EQ;
+			}else{
+				//fatalError: equal must after attrName or space after attrName
+				throw new Error('attribute equal must after attrName');
+			}
+			break;
+		case '\'':
+		case '"':
+			if(s === S_EQ || s === S_ATTR //|| s == S_ATTR_SPACE
+				){//equal
+				if(s === S_ATTR){
+					errorHandler.warning('attribute value must after "="')
+					attrName = source.slice(start,p)
+				}
+				start = p+1;
+				p = source.indexOf(c,start)
+				if(p>0){
+					value = source.slice(start,p).replace(/&#?\w+;/g,entityReplacer);
+					el.add(attrName,value,start-1);
+					s = S_ATTR_END;
+				}else{
+					//fatalError: no end quot match
+					throw new Error('attribute value no end \''+c+'\' match');
+				}
+			}else if(s == S_ATTR_NOQUOT_VALUE){
+				value = source.slice(start,p).replace(/&#?\w+;/g,entityReplacer);
+				//console.log(attrName,value,start,p)
+				el.add(attrName,value,start);
+				//console.dir(el)
+				errorHandler.warning('attribute "'+attrName+'" missed start quot('+c+')!!');
+				start = p+1;
+				s = S_ATTR_END
+			}else{
+				//fatalError: no equal before
+				throw new Error('attribute value must after "="');
+			}
+			break;
+		case '/':
+			switch(s){
+			case S_TAG:
+				el.setTagName(source.slice(start,p));
+			case S_ATTR_END:
+			case S_TAG_SPACE:
+			case S_TAG_CLOSE:
+				s =S_TAG_CLOSE;
+				el.closed = true;
+			case S_ATTR_NOQUOT_VALUE:
+			case S_ATTR:
+			case S_ATTR_SPACE:
+				break;
+			//case S_EQ:
+			default:
+				throw new Error("attribute invalid close char('/')")
+			}
+			break;
+		case ''://end document
+			//throw new Error('unexpected end of input')
+			errorHandler.error('unexpected end of input');
+			if(s == S_TAG){
+				el.setTagName(source.slice(start,p));
+			}
+			return p;
+		case '>':
+			switch(s){
+			case S_TAG:
+				el.setTagName(source.slice(start,p));
+			case S_ATTR_END:
+			case S_TAG_SPACE:
+			case S_TAG_CLOSE:
+				break;//normal
+			case S_ATTR_NOQUOT_VALUE://Compatible state
+			case S_ATTR:
+				value = source.slice(start,p);
+				if(value.slice(-1) === '/'){
+					el.closed  = true;
+					value = value.slice(0,-1)
+				}
+			case S_ATTR_SPACE:
+				if(s === S_ATTR_SPACE){
+					value = attrName;
+				}
+				if(s == S_ATTR_NOQUOT_VALUE){
+					errorHandler.warning('attribute "'+value+'" missed quot(")!!');
+					el.add(attrName,value.replace(/&#?\w+;/g,entityReplacer),start)
+				}else{
+					if(currentNSMap[''] !== 'http://www.w3.org/1999/xhtml' || !value.match(/^(?:disabled|checked|selected)$/i)){
+						errorHandler.warning('attribute "'+value+'" missed value!! "'+value+'" instead!!')
+					}
+					el.add(value,value,start)
+				}
+				break;
+			case S_EQ:
+				throw new Error('attribute value missed!!');
+			}
+//			console.log(tagName,tagNamePattern,tagNamePattern.test(tagName))
+			return p;
+		/*xml space '\x20' | #x9 | #xD | #xA; */
+		case '\u0080':
+			c = ' ';
+		default:
+			if(c<= ' '){//space
+				switch(s){
+				case S_TAG:
+					el.setTagName(source.slice(start,p));//tagName
+					s = S_TAG_SPACE;
+					break;
+				case S_ATTR:
+					attrName = source.slice(start,p)
+					s = S_ATTR_SPACE;
+					break;
+				case S_ATTR_NOQUOT_VALUE:
+					var value = source.slice(start,p).replace(/&#?\w+;/g,entityReplacer);
+					errorHandler.warning('attribute "'+value+'" missed quot(")!!');
+					el.add(attrName,value,start)
+				case S_ATTR_END:
+					s = S_TAG_SPACE;
+					break;
+				//case S_TAG_SPACE:
+				//case S_EQ:
+				//case S_ATTR_SPACE:
+				//	void();break;
+				//case S_TAG_CLOSE:
+					//ignore warning
+				}
+			}else{//not space
+//S_TAG,	S_ATTR,	S_EQ,	S_ATTR_NOQUOT_VALUE
+//S_ATTR_SPACE,	S_ATTR_END,	S_TAG_SPACE, S_TAG_CLOSE
+				switch(s){
+				//case S_TAG:void();break;
+				//case S_ATTR:void();break;
+				//case S_ATTR_NOQUOT_VALUE:void();break;
+				case S_ATTR_SPACE:
+					var tagName =  el.tagName;
+					if(currentNSMap[''] !== 'http://www.w3.org/1999/xhtml' || !attrName.match(/^(?:disabled|checked|selected)$/i)){
+						errorHandler.warning('attribute "'+attrName+'" missed value!! "'+attrName+'" instead2!!')
+					}
+					el.add(attrName,attrName,start);
+					start = p;
+					s = S_ATTR;
+					break;
+				case S_ATTR_END:
+					errorHandler.warning('attribute space is required"'+attrName+'"!!')
+				case S_TAG_SPACE:
+					s = S_ATTR;
+					start = p;
+					break;
+				case S_EQ:
+					s = S_ATTR_NOQUOT_VALUE;
+					start = p;
+					break;
+				case S_TAG_CLOSE:
+					throw new Error("elements closed character '/' and '>' must be connected to");
+				}
+			}
+		}//end outer switch
+		//console.log('p++',p)
+		p++;
+	}
+}
+/**
+ * @return true if has new namespace define
+ */
+function appendElement(el,domBuilder,currentNSMap){
+	var tagName = el.tagName;
+	var localNSMap = null;
+	//var currentNSMap = parseStack[parseStack.length-1].currentNSMap;
+	var i = el.length;
+	while(i--){
+		var a = el[i];
+		var qName = a.qName;
+		var value = a.value;
+		var nsp = qName.indexOf(':');
+		if(nsp>0){
+			var prefix = a.prefix = qName.slice(0,nsp);
+			var localName = qName.slice(nsp+1);
+			var nsPrefix = prefix === 'xmlns' && localName
+		}else{
+			localName = qName;
+			prefix = null
+			nsPrefix = qName === 'xmlns' && ''
+		}
+		//can not set prefix,because prefix !== ''
+		a.localName = localName ;
+		//prefix == null for no ns prefix attribute 
+		if(nsPrefix !== false){//hack!!
+			if(localNSMap == null){
+				localNSMap = {}
+				//console.log(currentNSMap,0)
+				_copy(currentNSMap,currentNSMap={})
+				//console.log(currentNSMap,1)
+			}
+			currentNSMap[nsPrefix] = localNSMap[nsPrefix] = value;
+			a.uri = 'http://www.w3.org/2000/xmlns/'
+			domBuilder.startPrefixMapping(nsPrefix, value) 
+		}
+	}
+	var i = el.length;
+	while(i--){
+		a = el[i];
+		var prefix = a.prefix;
+		if(prefix){//no prefix attribute has no namespace
+			if(prefix === 'xml'){
+				a.uri = 'http://www.w3.org/XML/1998/namespace';
+			}if(prefix !== 'xmlns'){
+				a.uri = currentNSMap[prefix || '']
+				
+				//{console.log('###'+a.qName,domBuilder.locator.systemId+'',currentNSMap,a.uri)}
+			}
+		}
+	}
+	var nsp = tagName.indexOf(':');
+	if(nsp>0){
+		prefix = el.prefix = tagName.slice(0,nsp);
+		localName = el.localName = tagName.slice(nsp+1);
+	}else{
+		prefix = null;//important!!
+		localName = el.localName = tagName;
+	}
+	//no prefix element has default namespace
+	var ns = el.uri = currentNSMap[prefix || ''];
+	domBuilder.startElement(ns,localName,tagName,el);
+	//endPrefixMapping and startPrefixMapping have not any help for dom builder
+	//localNSMap = null
+	if(el.closed){
+		domBuilder.endElement(ns,localName,tagName);
+		if(localNSMap){
+			for(prefix in localNSMap){
+				domBuilder.endPrefixMapping(prefix) 
+			}
+		}
+	}else{
+		el.currentNSMap = currentNSMap;
+		el.localNSMap = localNSMap;
+		//parseStack.push(el);
+		return true;
+	}
+}
+function parseHtmlSpecialContent(source,elStartEnd,tagName,entityReplacer,domBuilder){
+	if(/^(?:script|textarea)$/i.test(tagName)){
+		var elEndStart =  source.indexOf('</'+tagName+'>',elStartEnd);
+		var text = source.substring(elStartEnd+1,elEndStart);
+		if(/[&<]/.test(text)){
+			if(/^script$/i.test(tagName)){
+				//if(!/\]\]>/.test(text)){
+					//lexHandler.startCDATA();
+					domBuilder.characters(text,0,text.length);
+					//lexHandler.endCDATA();
+					return elEndStart;
+				//}
+			}//}else{//text area
+				text = text.replace(/&#?\w+;/g,entityReplacer);
+				domBuilder.characters(text,0,text.length);
+				return elEndStart;
+			//}
+			
+		}
+	}
+	return elStartEnd+1;
+}
+function fixSelfClosed(source,elStartEnd,tagName,closeMap){
+	//if(tagName in closeMap){
+	var pos = closeMap[tagName];
+	if(pos == null){
+		//console.log(tagName)
+		pos =  source.lastIndexOf('</'+tagName+'>')
+		if(pos<elStartEnd){//忘记闭合
+			pos = source.lastIndexOf('</'+tagName)
+		}
+		closeMap[tagName] =pos
+	}
+	return pos<elStartEnd;
+	//} 
+}
+function _copy(source,target){
+	for(var n in source){target[n] = source[n]}
+}
+function parseDCC(source,start,domBuilder,errorHandler){//sure start with '<!'
+	var next= source.charAt(start+2)
+	switch(next){
+	case '-':
+		if(source.charAt(start + 3) === '-'){
+			var end = source.indexOf('-->',start+4);
+			//append comment source.substring(4,end)//<!--
+			if(end>start){
+				domBuilder.comment(source,start+4,end-start-4);
+				return end+3;
+			}else{
+				errorHandler.error("Unclosed comment");
+				return -1;
+			}
+		}else{
+			//error
+			return -1;
+		}
+	default:
+		if(source.substr(start+3,6) == 'CDATA['){
+			var end = source.indexOf(']]>',start+9);
+			domBuilder.startCDATA();
+			domBuilder.characters(source,start+9,end-start-9);
+			domBuilder.endCDATA() 
+			return end+3;
+		}
+		//<!DOCTYPE
+		//startDTD(java.lang.String name, java.lang.String publicId, java.lang.String systemId) 
+		var matchs = split(source,start);
+		var len = matchs.length;
+		if(len>1 && /!doctype/i.test(matchs[0][0])){
+			var name = matchs[1][0];
+			var pubid = len>3 && /^public$/i.test(matchs[2][0]) && matchs[3][0]
+			var sysid = len>4 && matchs[4][0];
+			var lastMatch = matchs[len-1]
+			domBuilder.startDTD(name,pubid && pubid.replace(/^(['"])(.*?)\1$/,'$2'),
+					sysid && sysid.replace(/^(['"])(.*?)\1$/,'$2'));
+			domBuilder.endDTD();
+			
+			return lastMatch.index+lastMatch[0].length
+		}
+	}
+	return -1;
+}
+
+
+
+function parseInstruction(source,start,domBuilder){
+	var end = source.indexOf('?>',start);
+	if(end){
+		var match = source.substring(start,end).match(/^<\?(\S*)\s*([\s\S]*?)\s*$/);
+		if(match){
+			var len = match[0].length;
+			domBuilder.processingInstruction(match[1], match[2]) ;
+			return end+2;
+		}else{//error
+			return -1;
+		}
+	}
+	return -1;
+}
+
+/**
+ * @param source
+ */
+function ElementAttributes(source){
+	
+}
+ElementAttributes.prototype = {
+	setTagName:function(tagName){
+		if(!tagNamePattern.test(tagName)){
+			throw new Error('invalid tagName:'+tagName)
+		}
+		this.tagName = tagName
+	},
+	add:function(qName,value,offset){
+		if(!tagNamePattern.test(qName)){
+			throw new Error('invalid attribute:'+qName)
+		}
+		this[this.length++] = {qName:qName,value:value,offset:offset}
+	},
+	length:0,
+	getLocalName:function(i){return this[i].localName},
+	getLocator:function(i){return this[i].locator},
+	getQName:function(i){return this[i].qName},
+	getURI:function(i){return this[i].uri},
+	getValue:function(i){return this[i].value}
+//	,getIndex:function(uri, localName)){
+//		if(localName){
+//			
+//		}else{
+//			var qName = uri
+//		}
+//	},
+//	getValue:function(){return this.getValue(this.getIndex.apply(this,arguments))},
+//	getType:function(uri,localName){}
+//	getType:function(i){},
+}
+
+
+
+function split(source,start){
+	var match;
+	var buf = [];
+	var reg = /'[^']+'|"[^"]+"|[^\s<>\/=]+=?|(\/?\s*>|<)/g;
+	reg.lastIndex = start;
+	reg.exec(source);//skip <
+	while(match = reg.exec(source)){
+		buf.push(match);
+		if(match[1])return buf;
+	}
+}
+
+exports.XMLReader = XMLReader;
+