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/* --- name: XML2Js description: Provides an easy way to read XML files while converting it's content to an Object. license: MIT-style authors: - Ciul requires: [core/Request, core/Class.Extras] provides: [XML2Object] ... / /******************************** XML to Object Converter *******************************/ var XML2Object = new Class({ Implements: Events, / Events: complete: $empty, / / Global variables / xml: null, text: null, xmlObj: {}, xmlurl: null, root: null, / Initialize / initialize: function(xmlurl) { xmlurl = (xmlurl != undefined && typeof(xmlurl) == 'string')? xmlurl : ''; this.xmlurl = xmlurl; this.getRequest(xmlurl).send(); }, /******************* XML OBJECT methods ******************/ _recursive_traverse: function(node) { var attributes = new Object(); if(this.has_attributes(node)) { Array.each(this.get_attributes(node), function(attribute, index) { attributes[this.get_name(attribute)] = this.get_value(attribute); }, this); } var childNodes = new Array(); if(this.has_childNodes(node)) { Array.each(this.get_childElements(node), function(child, index) { var childNode = this._recursive_traverse(child); childNodes.append([childNode]); }, this); } var obj = { name: this.get_name(node), value: this.get_value(node).split('\n')[0], attributes: attributes, childNodes: childNodes }; return obj; }, get_rootNode: function() { return this.xml.documentElement; }, get_name: function(node) { var name = node.nodeName; return name; }, get_value: function(node) { var value = ''; switch(this.get_type(node)) { case 1: value = !Browser.ie ? node.textContent : node.text ; break; default: value = node.nodeValue; } // Convert string values to their respective type. value = Number.from(value) !== null ? Number.from(value) : value; value = value === "true" ? true : value; value = value === "false" ? false : value; return value; }, get_type: function(node) { var type = node.nodeType; return type; }, has_childNodes: function(node) { return (!!node.childNodes && node.childNodes.length != 0); }, get_children: function(node) { if(this.has_childNodes(node)) { var children = node.childNodes; return children; } else return null; }, get_childElements: function(node) { var chel = this.get_children(node); chel = this.filter_byType(chel, 1); return chel; }, has_attributes: function(node) { return (!!node.attributes && node.attributes.length != 0); }, get_attributes: function(node) { if(this.has_attributes(node)) { var attrs = node.attributes; return attrs; } else return null; }, get_attribute: function(node, attribute) { if(this.has_attributes(node)) { var attrValue = node.getAttribute(attribute); return attrValue; } else return null; }, collection_toArray: function(nodesCollection) { var nodesArray = []; Array.each(nodesCollection, function(node) { if(this.get_type(node) == 1) { nodesArray.append([node]); } }, this); return nodesArray; }, filter_byType: function(nodes, type) { type = (type != undefined && typeOf(type) == 'number')? type : 1; var filteredNodes = this.xml.createElement('filteredNodes'); for(i=0;i<nodes.length;i++) { if(nodes[i].nodeType == type) { var newNode = nodes[i].cloneNode(true); filteredNodes.appendChild(newNode); } } return filteredNodes.childNodes; }, get_fromPath: function(source, path) { var parts = path.split('.'); for (var i = 0, l = parts.length; i < l; i++){ if (source.hasOwnProperty(parts[i])) { source = source[parts[i]]; } else return null; } return source; }, set_toPath: function(source, path, val) { var parts = key.split('.'), source2 = source; // so we can return the object for (var i = 0, l = parts.length; i < l; i++) { // So when the value does not exist (and is an own property) or is not an object if (i < (l - 1) && (!source.hasOwnProperty(parts[i]) \|\| !Type.isObject(source[i]))){ source[parts[i]] = {}; } if (i == l - 1) source[parts[i]] = val; else source = source[parts[i]]; } // Return the modified object return source2; }, // getRequest method getRequest: function(xmlurl) { var requestOptions = { method: 'get', url: xmlurl, noCache: true, onSuccess: function(text, xml) { this.text = text; this.xml = xml; this.root = this.get_rootNode(); this.xmlObj = this._recursive_traverse(this.root); this.complete(); }.bind(this) }; return this.request ? this.request.setOptions(requestOptions) : this.request = new Request(requestOptions); }, /****************** EVENTS ******************/ complete: function() { var obj = { xmlObj: this.xmlObj, text: this.text, xml: this.xml }; this.fireEvent('complete', obj); } }); /******************************* /XML to Object Converter ********************************/

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