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mirror of https://github.com/Jermolene/TiddlyWiki5 synced 2024-11-01 07:36:18 +00:00
TiddlyWiki5/plugins/tiddlywiki/xmldom/files/dom-parser.js
2017-02-07 18:20:30 +00:00

251 lines
8.2 KiB
JavaScript
Executable File

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?require('./entities').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 XMLReader = require('./sax').XMLReader;
var DOMImplementation = exports.DOMImplementation = require('./dom').DOMImplementation;
exports.XMLSerializer = require('./dom').XMLSerializer ;
exports.DOMParser = DOMParser;
//}