252 lines
8.0 KiB
JavaScript
252 lines
8.0 KiB
JavaScript
|
function DOMParser(options){
|
||
|
|
this.options = options ||{locator:{}};
|
||
|
|
}
|
||
|
|
|
||
|
|
DOMParser.prototype.parseFromString = function(source,mimeType){
|
||
|
|
var options = this.options;
|
||
|
|
var sax = new XMLReader();
|
||
|
|
var domBuilder = options.domBuilder || new DOMHandler();//contentHandler and LexicalHandler
|
||
|
|
var errorHandler = options.errorHandler;
|
||
|
|
var locator = options.locator;
|
||
|
|
var defaultNSMap = options.xmlns||{};
|
||
|
|
var isHTML = /\/x?html?$/.test(mimeType);//mimeType.toLowerCase().indexOf('html') > -1;
|
||
|
|
var entityMap = isHTML?htmlEntity.entityMap:{'lt':'<','gt':'>','amp':'&','quot':'"','apos':"'"};
|
||
|
|
if(locator){
|
||
|
|
domBuilder.setDocumentLocator(locator)
|
||
|
|
}
|
||
|
|
|
||
|
|
sax.errorHandler = buildErrorHandler(errorHandler,domBuilder,locator);
|
||
|
|
sax.domBuilder = options.domBuilder || domBuilder;
|
||
|
|
if(isHTML){
|
||
|
|
defaultNSMap['']= 'http://www.w3.org/1999/xhtml';
|
||
|
|
}
|
||
|
|
defaultNSMap.xml = defaultNSMap.xml || 'http://www.w3.org/XML/1998/namespace';
|
||
|
|
if(source){
|
||
|
|
sax.parse(source,defaultNSMap,entityMap);
|
||
|
|
}else{
|
||
|
|
sax.errorHandler.error("invalid doc source");
|
||
|
|
}
|
||
|
|
return domBuilder.doc;
|
||
|
|
}
|
||
|
|
function buildErrorHandler(errorImpl,domBuilder,locator){
|
||
|
|
if(!errorImpl){
|
||
|
|
if(domBuilder instanceof DOMHandler){
|
||
|
|
return domBuilder;
|
||
|
|
}
|
||
|
|
errorImpl = domBuilder ;
|
||
|
|
}
|
||
|
|
var errorHandler = {}
|
||
|
|
var isCallback = errorImpl instanceof Function;
|
||
|
|
locator = locator||{}
|
||
|
|
function build(key){
|
||
|
|
var fn = errorImpl[key];
|
||
|
|
if(!fn && isCallback){
|
||
|
|
fn = errorImpl.length == 2?function(msg){errorImpl(key,msg)}:errorImpl;
|
||
|
|
}
|
||
|
|
errorHandler[key] = fn && function(msg){
|
||
|
|
fn('[xmldom '+key+']\t'+msg+_locator(locator));
|
||
|
|
}||function(){};
|
||
|
|
}
|
||
|
|
build('warning');
|
||
|
|
build('error');
|
||
|
|
build('fatalError');
|
||
|
|
return errorHandler;
|
||
|
|
}
|
||
|
|
|
||
|
|
//console.log('#\n\n\n\n\n\n\n####')
|
||
|
|
/**
|
||
|
|
* +ContentHandler+ErrorHandler
|
||
|
|
* +LexicalHandler+EntityResolver2
|
||
|
|
* -DeclHandler-DTDHandler
|
||
|
|
*
|
||
|
|
* DefaultHandler:EntityResolver, DTDHandler, ContentHandler, ErrorHandler
|
||
|
|
* DefaultHandler2:DefaultHandler,LexicalHandler, DeclHandler, EntityResolver2
|
||
|
|
* @link http://www.saxproject.org/apidoc/org/xml/sax/helpers/DefaultHandler.html
|
||
|
|
*/
|
||
|
|
function DOMHandler() {
|
||
|
|
this.cdata = false;
|
||
|
|
}
|
||
|
|
function position(locator,node){
|
||
|
|
node.lineNumber = locator.lineNumber;
|
||
|
|
node.columnNumber = locator.columnNumber;
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* @see org.xml.sax.ContentHandler#startDocument
|
||
|
|
* @link http://www.saxproject.org/apidoc/org/xml/sax/ContentHandler.html
|
||
|
|
*/
|
||
|
|
DOMHandler.prototype = {
|
||
|
|
startDocument : function() {
|
||
|
|
this.doc = new DOMImplementation().createDocument(null, null, null);
|
||
|
|
if (this.locator) {
|
||
|
|
this.doc.documentURI = this.locator.systemId;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
startElement:function(namespaceURI, localName, qName, attrs) {
|
||
|
|
var doc = this.doc;
|
||
|
|
var el = doc.createElementNS(namespaceURI, qName||localName);
|
||
|
|
var len = attrs.length;
|
||
|
|
appendElement(this, el);
|
||
|
|
this.currentElement = el;
|
||
|
|
|
||
|
|
this.locator && position(this.locator,el)
|
||
|
|
for (var i = 0 ; i < len; i++) {
|
||
|
|
var namespaceURI = attrs.getURI(i);
|
||
|
|
var value = attrs.getValue(i);
|
||
|
|
var qName = attrs.getQName(i);
|
||
|
|
var attr = doc.createAttributeNS(namespaceURI, qName);
|
||
|
|
this.locator &&position(attrs.getLocator(i),attr);
|
||
|
|
attr.value = attr.nodeValue = value;
|
||
|
|
el.setAttributeNode(attr)
|
||
|
|
}
|
||
|
|
},
|
||
|
|
endElement:function(namespaceURI, localName, qName) {
|
||
|
|
var current = this.currentElement
|
||
|
|
var tagName = current.tagName;
|
||
|
|
this.currentElement = current.parentNode;
|
||
|
|
},
|
||
|
|
startPrefixMapping:function(prefix, uri) {
|
||
|
|
},
|
||
|
|
endPrefixMapping:function(prefix) {
|
||
|
|
},
|
||
|
|
processingInstruction:function(target, data) {
|
||
|
|
var ins = this.doc.createProcessingInstruction(target, data);
|
||
|
|
this.locator && position(this.locator,ins)
|
||
|
|
appendElement(this, ins);
|
||
|
|
},
|
||
|
|
ignorableWhitespace:function(ch, start, length) {
|
||
|
|
},
|
||
|
|
characters:function(chars, start, length) {
|
||
|
|
chars = _toString.apply(this,arguments)
|
||
|
|
//console.log(chars)
|
||
|
|
if(chars){
|
||
|
|
if (this.cdata) {
|
||
|
|
var charNode = this.doc.createCDATASection(chars);
|
||
|
|
} else {
|
||
|
|
var charNode = this.doc.createTextNode(chars);
|
||
|
|
}
|
||
|
|
if(this.currentElement){
|
||
|
|
this.currentElement.appendChild(charNode);
|
||
|
|
}else if(/^\s*$/.test(chars)){
|
||
|
|
this.doc.appendChild(charNode);
|
||
|
|
//process xml
|
||
|
|
}
|
||
|
|
this.locator && position(this.locator,charNode)
|
||
|
|
}
|
||
|
|
},
|
||
|
|
skippedEntity:function(name) {
|
||
|
|
},
|
||
|
|
endDocument:function() {
|
||
|
|
this.doc.normalize();
|
||
|
|
},
|
||
|
|
setDocumentLocator:function (locator) {
|
||
|
|
if(this.locator = locator){// && !('lineNumber' in locator)){
|
||
|
|
locator.lineNumber = 0;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
//LexicalHandler
|
||
|
|
comment:function(chars, start, length) {
|
||
|
|
chars = _toString.apply(this,arguments)
|
||
|
|
var comm = this.doc.createComment(chars);
|
||
|
|
this.locator && position(this.locator,comm)
|
||
|
|
appendElement(this, comm);
|
||
|
|
},
|
||
|
|
|
||
|
|
startCDATA:function() {
|
||
|
|
//used in characters() methods
|
||
|
|
this.cdata = true;
|
||
|
|
},
|
||
|
|
endCDATA:function() {
|
||
|
|
this.cdata = false;
|
||
|
|
},
|
||
|
|
|
||
|
|
startDTD:function(name, publicId, systemId) {
|
||
|
|
var impl = this.doc.implementation;
|
||
|
|
if (impl && impl.createDocumentType) {
|
||
|
|
var dt = impl.createDocumentType(name, publicId, systemId);
|
||
|
|
this.locator && position(this.locator,dt)
|
||
|
|
appendElement(this, dt);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* @see org.xml.sax.ErrorHandler
|
||
|
|
* @link http://www.saxproject.org/apidoc/org/xml/sax/ErrorHandler.html
|
||
|
|
*/
|
||
|
|
warning:function(error) {
|
||
|
|
console.warn('[xmldom warning]\t'+error,_locator(this.locator));
|
||
|
|
},
|
||
|
|
error:function(error) {
|
||
|
|
console.error('[xmldom error]\t'+error,_locator(this.locator));
|
||
|
|
},
|
||
|
|
fatalError:function(error) {
|
||
|
|
console.error('[xmldom fatalError]\t'+error,_locator(this.locator));
|
||
|
|
throw error;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function _locator(l){
|
||
|
|
if(l){
|
||
|
|
return '\n@'+(l.systemId ||'')+'#[line:'+l.lineNumber+',col:'+l.columnNumber+']'
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function _toString(chars,start,length){
|
||
|
|
if(typeof chars == 'string'){
|
||
|
|
return chars.substr(start,length)
|
||
|
|
}else{//java sax connect width xmldom on rhino(what about: "? && !(chars instanceof String)")
|
||
|
|
if(chars.length >= start+length || start){
|
||
|
|
return new java.lang.String(chars,start,length)+'';
|
||
|
|
}
|
||
|
|
return chars;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* @link http://www.saxproject.org/apidoc/org/xml/sax/ext/LexicalHandler.html
|
||
|
|
* used method of org.xml.sax.ext.LexicalHandler:
|
||
|
|
* #comment(chars, start, length)
|
||
|
|
* #startCDATA()
|
||
|
|
* #endCDATA()
|
||
|
|
* #startDTD(name, publicId, systemId)
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* IGNORED method of org.xml.sax.ext.LexicalHandler:
|
||
|
|
* #endDTD()
|
||
|
|
* #startEntity(name)
|
||
|
|
* #endEntity(name)
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* @link http://www.saxproject.org/apidoc/org/xml/sax/ext/DeclHandler.html
|
||
|
|
* IGNORED method of org.xml.sax.ext.DeclHandler
|
||
|
|
* #attributeDecl(eName, aName, type, mode, value)
|
||
|
|
* #elementDecl(name, model)
|
||
|
|
* #externalEntityDecl(name, publicId, systemId)
|
||
|
|
* #internalEntityDecl(name, value)
|
||
|
|
* @link http://www.saxproject.org/apidoc/org/xml/sax/ext/EntityResolver2.html
|
||
|
|
* IGNORED method of org.xml.sax.EntityResolver2
|
||
|
|
* #resolveEntity(String name,String publicId,String baseURI,String systemId)
|
||
|
|
* #resolveEntity(publicId, systemId)
|
||
|
|
* #getExternalSubset(name, baseURI)
|
||
|
|
* @link http://www.saxproject.org/apidoc/org/xml/sax/DTDHandler.html
|
||
|
|
* IGNORED method of org.xml.sax.DTDHandler
|
||
|
|
* #notationDecl(name, publicId, systemId) {};
|
||
|
|
* #unparsedEntityDecl(name, publicId, systemId, notationName) {};
|
||
|
|
*/
|
||
|
|
"endDTD,startEntity,endEntity,attributeDecl,elementDecl,externalEntityDecl,internalEntityDecl,resolveEntity,getExternalSubset,notationDecl,unparsedEntityDecl".replace(/\w+/g,function(key){
|
||
|
|
DOMHandler.prototype[key] = function(){return null}
|
||
|
|
})
|
||
|
|
|
||
|
|
/* Private static helpers treated below as private instance methods, so don't need to add these to the public API; we might use a Relator to also get rid of non-standard public properties */
|
||
|
|
function appendElement (hander,node) {
|
||
|
|
if (!hander.currentElement) {
|
||
|
|
hander.doc.appendChild(node);
|
||
|
|
} else {
|
||
|
|
hander.currentElement.appendChild(node);
|
||
|
|
}
|
||
|
|
}//appendChild and setAttributeNS are preformance key
|
||
|
|
|
||
|
|
//if(typeof require == 'function'){
|
||
|
|
var htmlEntity = require('./entities');
|
||
|
|
var XMLReader = require('./sax').XMLReader;
|
||
|
|
var DOMImplementation = exports.DOMImplementation = require('./dom').DOMImplementation;
|
||
|
|
exports.XMLSerializer = require('./dom').XMLSerializer ;
|
||
|
|
exports.DOMParser = DOMParser;
|
||
|
|
//}
|