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public/javascripts/ace/worker-xml.js  view on Meta::CPAN

	var linePattern = /.+(?:\r\n?|\n)|.*$/g
	var locator = domBuilder.locator;
	
	var parseStack = [{currentNSMap:defaultNSMapCopy}]
	var closeMap = {};
	var start = 0;
	while(true){
		var i = source.indexOf('<',start);
		if(i<0){
			if(!source.substr(start).match(/^\s*$/)){
				var doc = domBuilder.document;
    			var text = doc.createTextNode(source.substr(start));
    			doc.appendChild(text);
    			domBuilder.currentElement = text;
			}
			return;
		}
		if(i>start){
			appendText(i);
		}
		switch(source.charAt(i+1)){
		case '/':
			var end = source.indexOf('>',i+3);
			var tagName = source.substring(i+2,end);
			var config;
			if (parseStack.length > 1) {
				config = parseStack.pop();
			} else {
				errorHandler.fatalError("end tag name not found for: "+tagName);
				break;
			}
			var localNSMap = config.localNSMap;
			
	        if(config.tagName != tagName){
	            errorHandler.fatalError("end tag name: " + tagName + " does not match the current start tagName: "+config.tagName );
	        }
			domBuilder.endElement(config.uri,config.localName,tagName);
			if(localNSMap){
				for(var prefix in localNSMap){
					domBuilder.endPrefixMapping(prefix) ;
				}
			}
			end++;
			break;
		case '?':// <?...?>
			locator&&position(i);
			end = parseInstruction(source,i,domBuilder);
			break;
		case '!':// <!doctype,<![CDATA,<!--
			locator&&position(i);
			end = parseDCC(source,i,domBuilder,errorHandler);
			break;
		default:
			try{
				locator&&position(i);
				
				var el = new ElementAttributes();
				var end = parseElementStartPart(source,i,el,entityReplacer,errorHandler);
				var len = el.length;
				if(len && locator){
					var backup = copyLocator(locator,{});
					for(var i = 0;i<len;i++){
						var a = el[i];
						position(a.offset);
						a.offset = copyLocator(locator,{});
					}
					copyLocator(backup,locator);
				}
				if(!el.closed && fixSelfClosed(source,end,el.tagName,closeMap)){
					el.closed = true;
					if(!entityMap.nbsp){
						errorHandler.warning('unclosed xml attribute');
					}
				}
				appendElement(el,domBuilder,parseStack);
				
				
				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);
				end = -1;
			}

		}
		if(end<0){
			appendText(i+1);
		}else{
			start = end;
		}
	}
}
function copyLocator(f,t){
	t.lineNumber = f.lineNumber;
	t.columnNumber = f.columnNumber;
	return t;
	
}
function parseElementStartPart(source,start,el,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_S){
				s = S_EQ;
			}else{
				throw new Error('attribute equal must after attrName');
			}
			break;
		case '\'':
		case '"':
			if(s === S_EQ){//equal
				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);