mirror of
https://github.com/Ylianst/MeshCentral.git
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195 lines
11 KiB
JavaScript
195 lines
11 KiB
JavaScript
/*
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Copyright 2020 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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@description Intel AMT XML parsing module
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@author Ylian Saint-Hilaire
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@version v0.3.0
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*/
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/*jslint node: true */
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/*jshint node: true */
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/*jshint strict:false */
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/*jshint -W097 */
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/*jshint esversion: 6 */
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"use strict";
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// Parse XML and return JSON
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module.exports.ParseWsman = function (xml) {
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try {
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if (!xml.childNodes) xml = _turnToXml(xml);
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var r = { Header: {} }, header = xml.getElementsByTagName("Header")[0], t;
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if (!header) header = xml.getElementsByTagName("a:Header")[0];
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if (!header) return null;
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for (var i = 0; i < header.childNodes.length; i++) {
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var child = header.childNodes[i];
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r.Header[child.localName] = child.textContent;
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}
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var body = xml.getElementsByTagName("Body")[0];
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if (!body) body = xml.getElementsByTagName("a:Body")[0];
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if (!body) return null;
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if (body.childNodes.length > 0) {
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t = body.childNodes[0].localName;
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var x = t.indexOf('_OUTPUT');
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if ((x != -1) && (x == (t.length - 7))) { t = t.substring(0, t.length - 7); }
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r.Header['Method'] = t;
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r.Body = _ParseWsmanRec(body.childNodes[0]);
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}
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return r;
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} catch (e) {
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console.log("Unable to parse XML: " + xml);
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return null;
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}
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}
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// Private method
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function _ParseWsmanRec(node) {
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var data, r = {};
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for (var i = 0; i < node.childNodes.length; i++) {
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var child = node.childNodes[i];
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if ((child.childElementCount == null) || (child.childElementCount == 0)) { data = child.textContent; } else { data = _ParseWsmanRec(child); }
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if (data == 'true') data = true; // Convert 'true' into true
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if (data == 'false') data = false; // Convert 'false' into false
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if ((parseInt(data) + '') === data) data = parseInt(data); // Convert integers
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var childObj = data;
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if ((child.attributes != null) && (child.attributes.length > 0)) {
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childObj = { 'Value': data };
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for (var j = 0; j < child.attributes.length; j++) {
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childObj['@' + child.attributes[j].name] = child.attributes[j].value;
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}
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}
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if (r[child.localName] instanceof Array) { r[child.localName].push(childObj); }
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else if (r[child.localName] == null) { r[child.localName] = childObj; }
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else { r[child.localName] = [r[child.localName], childObj]; }
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}
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return r;
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}
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function _PutObjToBodyXml(resuri, putObj) {
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if (!resuri || putObj == null) return '';
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var objname = obj.GetNameFromUrl(resuri);
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var result = '<r:' + objname + ' xmlns:r="' + resuri + '">';
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for (var prop in putObj) {
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if (!putObj.hasOwnProperty(prop) || prop.indexOf('__') === 0 || prop.indexOf('@') === 0) continue;
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if (putObj[prop] == null || typeof putObj[prop] === 'function') continue;
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if (typeof putObj[prop] === 'object' && putObj[prop]['ReferenceParameters']) {
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result += '<r:' + prop + '><a:Address>' + putObj[prop].Address + '</a:Address><a:ReferenceParameters><w:ResourceURI>' + putObj[prop]['ReferenceParameters']["ResourceURI"] + '</w:ResourceURI><w:SelectorSet>';
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var selectorArray = putObj[prop]['ReferenceParameters']['SelectorSet']['Selector'];
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if (Array.isArray(selectorArray)) {
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for (var i = 0; i < selectorArray.length; i++) {
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result += '<w:Selector' + _ObjectToXmlAttributes(selectorArray[i]) + '>' + selectorArray[i]['Value'] + '</w:Selector>';
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}
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}
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else {
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result += '<w:Selector' + _ObjectToXmlAttributes(selectorArray) + '>' + selectorArray['Value'] + '</w:Selector>';
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}
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result += '</w:SelectorSet></a:ReferenceParameters></r:' + prop + '>';
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}
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else {
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if (Array.isArray(putObj[prop])) {
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for (var i = 0; i < putObj[prop].length; i++) {
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result += '<r:' + prop + '>' + putObj[prop][i].toString() + '</r:' + prop + '>';
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}
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} else {
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result += '<r:' + prop + '>' + putObj[prop].toString() + '</r:' + prop + '>';
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}
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}
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}
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result += '</r:' + objname + '>';
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return result;
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}
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// This is a drop-in replacement to _turnToXml() that works without xml parser dependency.
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try { Object.defineProperty(Array.prototype, "peek", { value: function () { return (this.length > 0 ? this[this.length - 1] : null); } }); } catch (ex) { }
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function _treeBuilder() {
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this.tree = [];
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this.push = function (element) { this.tree.push(element); };
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this.pop = function () { var element = this.tree.pop(); if (this.tree.length > 0) { var x = this.tree.peek(); x.childNodes.push(element); x.childElementCount = x.childNodes.length; } return (element); };
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this.peek = function () { return (this.tree.peek()); }
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this.addNamespace = function (prefix, namespace) { this.tree.peek().nsTable[prefix] = namespace; if (this.tree.peek().attributes.length > 0) { for (var i = 0; i < this.tree.peek().attributes; ++i) { var a = this.tree.peek().attributes[i]; if (prefix == '*' && a.name == a.localName) { a.namespace = namespace; } else if (prefix != '*' && a.name != a.localName) { var pfx = a.name.split(':')[0]; if (pfx == prefix) { a.namespace = namespace; } } } } }
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this.getNamespace = function (prefix) { for (var i = this.tree.length - 1; i >= 0; --i) { if (this.tree[i].nsTable[prefix] != null) { return (this.tree[i].nsTable[prefix]); } } return null; }
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}
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function _turnToXml(text) { if (text == null) return null; return ({ childNodes: [_turnToXmlRec(text)], getElementsByTagName: _getElementsByTagName, getChildElementsByTagName: _getChildElementsByTagName, getElementsByTagNameNS: _getElementsByTagNameNS }); }
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function _getElementsByTagNameNS(ns, name) { var ret = []; _xmlTraverseAllRec(this.childNodes, function (node) { if (node.localName == name && (node.namespace == ns || ns == '*')) { ret.push(node); } }); return ret; }
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function _getElementsByTagName(name) { var ret = []; _xmlTraverseAllRec(this.childNodes, function (node) { if (node.localName == name) { ret.push(node); } }); return ret; }
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function _getChildElementsByTagName(name) { var ret = []; if (this.childNodes != null) { for (var node in this.childNodes) { if (this.childNodes[node].localName == name) { ret.push(this.childNodes[node]); } } } return (ret); }
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function _getChildElementsByTagNameNS(ns, name) { var ret = []; if (this.childNodes != null) { for (var node in this.childNodes) { if (this.childNodes[node].localName == name && (ns == '*' || this.childNodes[node].namespace == ns)) { ret.push(this.childNodes[node]); } } } return (ret); }
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function _xmlTraverseAllRec(nodes, func) { for (var i in nodes) { func(nodes[i]); if (nodes[i].childNodes) { _xmlTraverseAllRec(nodes[i].childNodes, func); } } }
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function _turnToXmlRec(text) {
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var elementStack = new _treeBuilder(), lastElement = null, x1 = text.split('<'), ret = [], element = null, currentElementName = null;
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for (var i in x1) {
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var x2 = x1[i].split('>'), x3 = x2[0].split(' '), elementName = x3[0];
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if ((elementName.length > 0) && (elementName[0] != '?')) {
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if (elementName[0] != '/') {
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var attributes = [], localName, localname2 = elementName.split(' ')[0].split(':'), localName = (localname2.length > 1) ? localname2[1] : localname2[0];
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Object.defineProperty(attributes, "get",
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{
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value: function () {
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if (arguments.length == 1) {
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for (var a in this) { if (this[a].name == arguments[0]) { return (this[a]); } }
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}
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else if (arguments.length == 2) {
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for (var a in this) { if (this[a].name == arguments[1] && (arguments[0] == '*' || this[a].namespace == arguments[0])) { return (this[a]); } }
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}
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else {
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throw ('attributes.get(): Invalid number of parameters');
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}
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}
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});
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elementStack.push({ name: elementName, localName: localName, getChildElementsByTagName: _getChildElementsByTagName, getElementsByTagNameNS: _getElementsByTagNameNS, getChildElementsByTagNameNS: _getChildElementsByTagNameNS, attributes: attributes, childNodes: [], nsTable: {} });
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// Parse Attributes
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if (x3.length > 0) {
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var skip = false;
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for (var j in x3) {
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if (x3[j] == '/') {
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// This is an empty Element
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elementStack.peek().namespace = elementStack.peek().name == elementStack.peek().localName ? elementStack.getNamespace('*') : elementStack.getNamespace(elementStack.peek().name.substring(0, elementStack.peek().name.indexOf(':')));
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elementStack.peek().textContent = '';
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lastElement = elementStack.pop();
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skip = true;
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break;
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}
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var k = x3[j].indexOf('=');
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if (k > 0) {
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var attrName = x3[j].substring(0, k);
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var attrValue = x3[j].substring(k + 2, x3[j].length - 1);
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var attrNS = elementStack.getNamespace('*');
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if (attrName == 'xmlns') {
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elementStack.addNamespace('*', attrValue);
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attrNS = attrValue;
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} else if (attrName.startsWith('xmlns:')) {
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elementStack.addNamespace(attrName.substring(6), attrValue);
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} else {
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var ax = attrName.split(':');
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if (ax.length == 2) { attrName = ax[1]; attrNS = elementStack.getNamespace(ax[0]); }
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}
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var x = { name: attrName, value: attrValue }
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if (attrNS != null) x.namespace = attrNS;
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elementStack.peek().attributes.push(x);
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}
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}
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if (skip) { continue; }
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}
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elementStack.peek().namespace = elementStack.peek().name == elementStack.peek().localName ? elementStack.getNamespace('*') : elementStack.getNamespace(elementStack.peek().name.substring(0, elementStack.peek().name.indexOf(':')));
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if (x2[1]) { elementStack.peek().textContent = x2[1]; }
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} else { lastElement = elementStack.pop(); }
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}
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}
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return lastElement;
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} |