修改api地址和优化暂停输出的逻辑，
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208
node_modules/xmljs/XmlParser.js
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vendored
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208
node_modules/xmljs/XmlParser.js
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vendored
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module.exports = (function() {
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"use strict";
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var $o = require("./core.js");
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var sax = require("sax");
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var parser = $o.Object.extend({
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saxParser: null,
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currentNode: null,
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attributes: null, // storage for attributes for the next node
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nodeStack: null, // stack of nodes
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// oPar.strict: Whenever or not to use a strict parser
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// oPar.noTrim : Do not trimtext and comment nodes
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// oPar.noNormalizeWhitespaces: Do not normalize whitespaces in text
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// oPar.lowercaseTagnames: Turn the tagsNames to lowercase
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// oPar.noTracing: Disable position tracing of sax
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// oPar.strictEntities: Allow only predefined entities
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create: function(oPar) {
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this.nodeStack = [];
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this.saxParser = sax.parser(!!oPar.strict, {
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trim: !oPar.noTrim,
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normalize: !oPar.noNormalizeWhitespaces,
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lowercase: !!oPar.lowercaseTagnames,
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xmlns: !oPar.noNamespaces,
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position: !oPar.noTracing,
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strictEntities: !!oPar.strictEntities
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});
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this.errors = [];
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this.attributes = [];
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this.continueOnError = !!oPar.continueOnError;
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this._createEvents();
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},
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_createEvents: function() {
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var self = this;
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this.saxParser.onopentag = function(n) {
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var node = new XmlNode(n);
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self.attributes.forEach(function(attr) {
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node.addAttribute(attr);
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});
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self.currentNode.addNode(node);
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self.attributes.length = 0;
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self.pushStack(node);
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};
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this.saxParser.onclosetag = function() {
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self.popStack();
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};
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this.saxParser.onattribute = function(attr) {
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if (attr.prefix === "xmlns") return; // ignore namespace attributes
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self.attributes.push(attr);
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};
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this.saxParser.ontext = function(txt) {
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self.currentNode.setText(txt);
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};
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this.saxParser.onerror = function(err) {
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self.errors.push(err);
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if (self.continueOnError) self.saxParser.resume();
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};
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},
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parseString: function(str, cb) {
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this.nodeStack.length = 0;
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this.errors.length = 0;
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this.root = new Node();
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this.currentNode = this.root;
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try {
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this.saxParser.write(str.toString());
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this.saxParser.close();
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} catch (e) {
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this.errors.push(e);
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}
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var err = this.errors.length === 0 ? null : this.errors;
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cb(err, this.root);
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return this.errors.length === 0;
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},
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pushStack: function(node) {
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this.nodeStack.push(this.currentNode);
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this.currentNode = node;
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return node;
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},
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popStack: function() {
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this.currentNode = this.nodeStack.pop();
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return this.currentNode;
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}
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});
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parser.isXmlNode = function(n) {
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return n instanceof XmlNode;
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};
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var Attribute = $o.Object.extend({
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name: null,
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text: null,
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create: function(name, value) {
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this.name = name;
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this.text = value;
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}
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});
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var XmlAttribute = Attribute.extend({
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ns: null,
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create: function(xml) {
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_super(XmlAttribute).create.call(this, xml.local, xml.value);
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this.ns = xml.namespace;
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}
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});
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// generic node
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var Node = $o.Object.extend({
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children: null, // dictionary of children nodes
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children_lower: null,
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attributes: null, // dictionary of attributes
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attributes_lower: null, // dictionary of attributes
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create: function() {
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this.children = {};
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this.children_lower = {};
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this.attributes = {};
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this.attributes_lower = {};
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},
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getAttribute: function(attr, ignoreCase) {
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return ignoreCase
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? this.attributes_lower[attr.toLowerCase()]
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: this.attributes[attr];
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},
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addAttribute: function(xmlAttr) {
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var attr = new XmlAttribute(xmlAttr);
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this.attributes[attr.name] = attr;
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this.attributes_lower[attr.name.toLowerCase()] = attr;
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},
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addNode: function(n) {
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if (!this.children[n.localName]) this.children[n.localName] = [];
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if (!this.children_lower[n.localName.toLowerCase()])
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this.children_lower[n.localName.toLowerCase()] = [];
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this.children[n.localName].push(n);
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this.children_lower[n.localName.toLowerCase()].push(n);
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return n;
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},
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path: function(arr, ignoreCase) {
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var nodes = [];
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function next(parNode, left) {
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if (left.length === 0) {
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nodes.push(parNode);
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return;
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}
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var name = left[0];
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var arr = parNode.children[name] || [];
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arr.forEach(function(n) {
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next(n, left.slice(1));
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});
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}
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function next_caseinvar(parNode, left) {
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if (left.length === 0) {
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nodes.push(parNode);
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return;
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}
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var name = left[0];
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var arr = parNode.children_lower[name.toLowerCase()] || [];
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arr.forEach(function(n) {
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next_caseinvar(n, left.slice(1));
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});
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}
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if (ignoreCase) next_caseinvar(this, arr);
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else next(this, arr);
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return nodes;
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},
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visit: function(fn) {
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fn(this);
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for (var k in this.children) this.children[k].visit(fn);
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}
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});
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var XmlNode = Node.extend({
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name: "",
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ns: "",
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prefix: "",
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localName: "",
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text: "",
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_n: null,
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create: function(n) {
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_super(XmlNode).create.call(this);
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this._n = n;
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this.name = n.name;
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this.prefix = n.prefix;
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this.localName = n.local;
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this.ns = n.ns[this.prefix];
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},
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setText: function(txt) {
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this.text = txt;
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}
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});
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return parser;
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})();
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