support parsing of xml strings

Author: sergeyt

Gruntfile.coffee

@@ -28,8 +28,8 @@ module.exports = (grunt) ->
 					require: true
 			dev:
 				options:
-					ignores: ['*.min.js', 'js/*.min.js']
-				src: ['*.js', 'js/*.js']
+					ignores: ['*.min.js', 'src/*.min.js']
+				src: ['*.js', 'src/*.js']
 
 	grunt.loadNpmTasks 'grunt-contrib-jshint'
 	grunt.loadNpmTasks 'grunt-npm'

js/xml2json.js

@@ -13,7 +13,8 @@ module.exports = function(config) {
 
 		// list of files / patterns to load in the browser
 		files: [
-			'js/*.js',
+			'lib/jquery/jquery.js',
+			'src/*.js',
 			'test/*.coffee'
 		],
 

karma.conf.js

@@ -0,0 +1,96 @@
+/**
+ * jQuery plugin to convert a given $.ajax response xml object to json.
+ *
+ * @example var json = $.xml2json(response);
+ */
+(function() {
+
+	// default options based on https://github.com/Leonidas-from-XIV/node-xml2js
+	var defaultOptions = {
+		attrkey: '$',
+		charkey: '_'
+	};
+
+	function parseXML(data) {
+		var xml, tmp;
+		if (!data || typeof data !== "string") {
+			return null;
+		}
+		try {
+			if (window.DOMParser) { // Standard
+				tmp = new DOMParser();
+				xml = tmp.parseFromString(data, "text/xml");
+			} else { // IE
+				xml = new ActiveXObject("Microsoft.XMLDOM");
+				xml.async = "false";
+				xml.loadXML(data);
+			}
+		} catch (e) {
+			xml = undefined;
+		}
+		if (!xml || !xml.documentElement || xml.getElementsByTagName("parsererror").length) {
+			throw new Error("Invalid XML: " + data);
+		}
+		return xml;
+	}
+
+	/**w
+	 * Converts an xml response object from a $.ajax() call to a JSON object.
+	 *
+	 * @param xml
+	 */
+	function xml2json(xml, options) {
+		options = options || defaultOptions;
+
+		if (typeof xml === 'string') {
+			xml = parseXML(xml);
+		}
+
+		var result = {};
+
+		for (var i in xml.childNodes) {
+			var node = xml.childNodes[i];
+			if (node.nodeType === 1) {
+				var child = node.hasChildNodes() ? xml2json(node, options) : node.nodevalue;
+				child = child === null ? {} : child;
+
+				if (result.hasOwnProperty(node.nodeName)) {
+					// For repeating elements, cast/promote the node to array
+					if (!(result[node.nodeName] instanceof Array)) {
+						var tmp = result[node.nodeName];
+						result[node.nodeName] = [];
+						result[node.nodeName].push(tmp);
+					}
+					result[node.nodeName].push(child);
+				} else {
+					result[node.nodeName] = child;
+				}
+
+				// Add attributes if any
+				if (node.attributes.length > 0) {
+					result[node.nodeName][options.attrkey] = {};
+					child[options.attrkey] = {};
+					for (var j in node.attributes) {
+						var attribute = node.attributes.item(j);
+						child[options.attrkey][attribute.nodeName] = attribute.value;
+					}
+				}
+
+				// Add element value
+				if (node.childElementCount === 0 && node.textContent !== null && node.textContent !== "") {
+					child[options.charkey] = node.textContent.trim();
+				}
+			}
+		}
+
+		return result;
+	}
+
+	if (typeof jQuery !== 'undefined') {
+		jQuery.extend({xml2json: xml2json});
+	} else if (typeof module !== 'undefined') {
+		module.exports = xml2json;
+	} else if (typeof window !== 'undefined') {
+		window.xml2json = xml2json;
+	}
+})();