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From kobl...@apache.org
Subject [3/6] [OLINGO-324] start JSON reader, add demo, is working version
Date Thu, 12 Jun 2014 12:41:34 GMT
http://git-wip-us.apache.org/repos/asf/olingo-odata4-js/blob/54486148/datajs/demo/scripts/datajs-1.1.2.js
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diff --git a/datajs/demo/scripts/datajs-1.1.2.js b/datajs/demo/scripts/datajs-1.1.2.js
new file mode 100644
index 0000000..7282713
--- /dev/null
+++ b/datajs/demo/scripts/datajs-1.1.2.js
@@ -0,0 +1,10577 @@
+// Copyright (c) Microsoft Open Technologies, Inc.  All rights reserved.
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
+// files (the "Software"), to deal  in the Software without restriction, including without limitation the rights  to use, copy,
+// modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+// WARRANTIES OF MERCHANTABILITY,  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// datajs.js
+
+(function (window, undefined) {
+
+    var datajs = window.datajs || {};
+    var odata = window.OData || {};
+
+    // AMD support
+    if (typeof define === 'function' && define.amd) {
+        define('datajs', datajs);
+        define('OData', odata);
+    } else {
+        window.datajs = datajs;
+        window.OData = odata;
+    }
+
+    datajs.version = {
+        major: 1,
+        minor: 1,
+        build: 1
+    };
+
+
+    var activeXObject = function (progId) {
+        /// <summary>Creates a new ActiveXObject from the given progId.</summary>
+        /// <param name="progId" type="String" mayBeNull="false" optional="false">
+        ///    ProgId string of the desired ActiveXObject.
+        /// </param>
+        /// <remarks>
+        ///    This function throws whatever exception might occur during the creation
+        ///    of the ActiveXObject.
+        /// </remarks>
+        /// <returns type="Object">
+        ///     The ActiveXObject instance. Null if ActiveX is not supported by the
+        ///     browser.
+        /// </returns>
+        if (window.ActiveXObject) {
+            return new window.ActiveXObject(progId);
+        }
+        return null;
+    };
+
+    var assigned = function (value) {
+        /// <summary>Checks whether the specified value is different from null and undefined.</summary>
+        /// <param name="value" mayBeNull="true" optional="true">Value to check.</param>
+        /// <returns type="Boolean">true if the value is assigned; false otherwise.</returns>
+        return value !== null && value !== undefined;
+    };
+
+    var contains = function (arr, item) {
+        /// <summary>Checks whether the specified item is in the array.</summary>
+        /// <param name="arr" type="Array" optional="false" mayBeNull="false">Array to check in.</param>
+        /// <param name="item">Item to look for.</param>
+        /// <returns type="Boolean">true if the item is contained, false otherwise.</returns>
+
+        var i, len;
+        for (i = 0, len = arr.length; i < len; i++) {
+            if (arr[i] === item) {
+                return true;
+            }
+        }
+
+        return false;
+    };
+
+    var defined = function (a, b) {
+        /// <summary>Given two values, picks the first one that is not undefined.</summary>
+        /// <param name="a">First value.</param>
+        /// <param name="b">Second value.</param>
+        /// <returns>a if it's a defined value; else b.</returns>
+        return (a !== undefined) ? a : b;
+    };
+
+    var delay = function (callback) {
+        /// <summary>Delays the invocation of the specified function until execution unwinds.</summary>
+        /// <param name="callback" type="Function">Callback function.</param>
+        if (arguments.length === 1) {
+            window.setTimeout(callback, 0);
+            return;
+        }
+
+        var args = Array.prototype.slice.call(arguments, 1);
+        window.setTimeout(function () {
+            callback.apply(this, args);
+        }, 0);
+    };
+
+
+    var extend = function (target, values) {
+        /// <summary>Extends the target with the specified values.</summary>
+        /// <param name="target" type="Object">Object to add properties to.</param>
+        /// <param name="values" type="Object">Object with properties to add into target.</param>
+        /// <returns type="Object">The target object.</returns>
+
+        for (var name in values) {
+            target[name] = values[name];
+        }
+
+        return target;
+    };
+
+    var find = function (arr, callback) {
+        /// <summary>Returns the first item in the array that makes the callback function true.</summary>
+        /// <param name="arr" type="Array" optional="false" mayBeNull="true">Array to check in.</param>
+        /// <param name="callback" type="Function">Callback function to invoke once per item in the array.</param>
+        /// <returns>The first item that makes the callback return true; null otherwise or if the array is null.</returns>
+
+        if (arr) {
+            var i, len;
+            for (i = 0, len = arr.length; i < len; i++) {
+                if (callback(arr[i])) {
+                    return arr[i];
+                }
+            }
+        }
+        return null;
+    };
+
+    var isArray = function (value) {
+        /// <summary>Checks whether the specified value is an array object.</summary>
+        /// <param name="value">Value to check.</param>
+        /// <returns type="Boolean">true if the value is an array object; false otherwise.</returns>
+
+        return Object.prototype.toString.call(value) === "[object Array]";
+    };
+
+    var isDate = function (value) {
+        /// <summary>Checks whether the specified value is a Date object.</summary>
+        /// <param name="value">Value to check.</param>
+        /// <returns type="Boolean">true if the value is a Date object; false otherwise.</returns>
+
+        return Object.prototype.toString.call(value) === "[object Date]";
+    };
+
+    var isObject = function (value) {
+        /// <summary>Tests whether a value is an object.</summary>
+        /// <param name="value">Value to test.</param>
+        /// <remarks>
+        ///     Per javascript rules, null and array values are objects and will cause this function to return true.
+        /// </remarks>
+        /// <returns type="Boolean">True is the value is an object; false otherwise.</returns>
+
+        return typeof value === "object";
+    };
+
+    var parseInt10 = function (value) {
+        /// <summary>Parses a value in base 10.</summary>
+        /// <param name="value" type="String">String value to parse.</param>
+        /// <returns type="Number">The parsed value, NaN if not a valid value.</returns>
+
+        return parseInt(value, 10);
+    };
+
+    var renameProperty = function (obj, oldName, newName) {
+        /// <summary>Renames a property in an object.</summary>
+        /// <param name="obj" type="Object">Object in which the property will be renamed.</param>
+        /// <param name="oldName" type="String">Name of the property that will be renamed.</param>
+        /// <param name="newName" type="String">New name of the property.</param>
+        /// <remarks>
+        ///    This function will not do anything if the object doesn't own a property with the specified old name.
+        /// </remarks>
+
+        if (obj.hasOwnProperty(oldName)) {
+            obj[newName] = obj[oldName];
+            delete obj[oldName];
+        }
+    };
+
+    var throwErrorCallback = function (error) {
+        /// <summary>Default error handler.</summary>
+        /// <param name="error" type="Object">Error to handle.</param>
+        throw error;
+    };
+
+    var trimString = function (str) {
+        /// <summary>Removes leading and trailing whitespaces from a string.</summary>
+        /// <param name="str" type="String" optional="false" mayBeNull="false">String to trim</param>
+        /// <returns type="String">The string with no leading or trailing whitespace.</returns>
+
+        if (str.trim) {
+            return str.trim();
+        }
+
+        return str.replace(/^\s+|\s+$/g, '');
+    };
+
+    var undefinedDefault = function (value, defaultValue) {
+        /// <summary>Returns a default value in place of undefined.</summary>
+        /// <param name="value" mayBeNull="true" optional="true">Value to check.</param>
+        /// <param name="defaultValue">Value to return if value is undefined.</param>
+        /// <returns>value if it's defined; defaultValue otherwise.</returns>
+        /// <remarks>
+        /// This should only be used for cases where falsy values are valid;
+        /// otherwise the pattern should be 'x = (value) ? value : defaultValue;'.
+        /// </remarks>
+        return (value !== undefined) ? value : defaultValue;
+    };
+
+    // Regular expression that splits a uri into its components:
+    // 0 - is the matched string.
+    // 1 - is the scheme.
+    // 2 - is the authority.
+    // 3 - is the path.
+    // 4 - is the query.
+    // 5 - is the fragment.
+    var uriRegEx = /^([^:\/?#]+:)?(\/\/[^\/?#]*)?([^?#:]+)?(\?[^#]*)?(#.*)?/;
+    var uriPartNames = ["scheme", "authority", "path", "query", "fragment"];
+
+    var getURIInfo = function (uri) {
+        /// <summary>Gets information about the components of the specified URI.</summary>
+        /// <param name="uri" type="String">URI to get information from.</param>
+        /// <returns type="Object">
+        /// An object with an isAbsolute flag and part names (scheme, authority, etc.) if available.
+        /// </returns>
+
+        var result = { isAbsolute: false };
+
+        if (uri) {
+            var matches = uriRegEx.exec(uri);
+            if (matches) {
+                var i, len;
+                for (i = 0, len = uriPartNames.length; i < len; i++) {
+                    if (matches[i + 1]) {
+                        result[uriPartNames[i]] = matches[i + 1];
+                    }
+                }
+            }
+            if (result.scheme) {
+                result.isAbsolute = true;
+            }
+        }
+
+        return result;
+    };
+
+    var getURIFromInfo = function (uriInfo) {
+        /// <summary>Builds a URI string from its components.</summary>
+        /// <param name="uriInfo" type="Object"> An object with uri parts (scheme, authority, etc.).</param>
+        /// <returns type="String">URI string.</returns>
+
+        return "".concat(
+            uriInfo.scheme || "",
+            uriInfo.authority || "",
+            uriInfo.path || "",
+            uriInfo.query || "",
+            uriInfo.fragment || "");
+    };
+
+    // Regular expression that splits a uri authority into its subcomponents:
+    // 0 - is the matched string.
+    // 1 - is the userinfo subcomponent.
+    // 2 - is the host subcomponent.
+    // 3 - is the port component.
+    var uriAuthorityRegEx = /^\/{0,2}(?:([^@]*)@)?([^:]+)(?::{1}(\d+))?/;
+
+    // Regular expression that matches percentage enconded octects (i.e %20 or %3A);
+    var pctEncodingRegEx = /%[0-9A-F]{2}/ig;
+
+    var normalizeURICase = function (uri) {
+        /// <summary>Normalizes the casing of a URI.</summary>
+        /// <param name="uri" type="String">URI to normalize, absolute or relative.</param>
+        /// <returns type="String">The URI normalized to lower case.</returns>
+
+        var uriInfo = getURIInfo(uri);
+        var scheme = uriInfo.scheme;
+        var authority = uriInfo.authority;
+
+        if (scheme) {
+            uriInfo.scheme = scheme.toLowerCase();
+            if (authority) {
+                var matches = uriAuthorityRegEx.exec(authority);
+                if (matches) {
+                    uriInfo.authority = "//" +
+                    (matches[1] ? matches[1] + "@" : "") +
+                    (matches[2].toLowerCase()) +
+                    (matches[3] ? ":" + matches[3] : "");
+                }
+            }
+        }
+
+        uri = getURIFromInfo(uriInfo);
+
+        return uri.replace(pctEncodingRegEx, function (str) {
+            return str.toLowerCase();
+        });
+    };
+
+    var normalizeURI = function (uri, base) {
+        /// <summary>Normalizes a possibly relative URI with a base URI.</summary>
+        /// <param name="uri" type="String">URI to normalize, absolute or relative.</param>
+        /// <param name="base" type="String" mayBeNull="true">Base URI to compose with.</param>
+        /// <returns type="String">The composed URI if relative; the original one if absolute.</returns>
+
+        if (!base) {
+            return uri;
+        }
+
+        var uriInfo = getURIInfo(uri);
+        if (uriInfo.isAbsolute) {
+            return uri;
+        }
+
+        var baseInfo = getURIInfo(base);
+        var normInfo = {};
+        var path;
+
+        if (uriInfo.authority) {
+            normInfo.authority = uriInfo.authority;
+            path = uriInfo.path;
+            normInfo.query = uriInfo.query;
+        } else {
+            if (!uriInfo.path) {
+                path = baseInfo.path;
+                normInfo.query = uriInfo.query || baseInfo.query;
+            } else {
+                if (uriInfo.path.charAt(0) === '/') {
+                    path = uriInfo.path;
+                } else {
+                    path = mergeUriPathWithBase(uriInfo.path, baseInfo.path);
+                }
+                normInfo.query = uriInfo.query;
+            }
+            normInfo.authority = baseInfo.authority;
+        }
+
+        normInfo.path = removeDotsFromPath(path);
+
+        normInfo.scheme = baseInfo.scheme;
+        normInfo.fragment = uriInfo.fragment;
+
+        return getURIFromInfo(normInfo);
+    };
+
+    var mergeUriPathWithBase = function (uriPath, basePath) {
+        /// <summary>Merges the path of a relative URI and a base URI.</summary>
+        /// <param name="uriPath" type="String>Relative URI path.</param>
+        /// <param name="basePath" type="String">Base URI path.</param>
+        /// <returns type="String">A string with the merged path.</returns>
+
+        var path = "/";
+        var end;
+
+        if (basePath) {
+            end = basePath.lastIndexOf("/");
+            path = basePath.substring(0, end);
+
+            if (path.charAt(path.length - 1) !== "/") {
+                path = path + "/";
+            }
+        }
+
+        return path + uriPath;
+    };
+
+    var removeDotsFromPath = function (path) {
+        /// <summary>Removes the special folders . and .. from a URI's path.</summary>
+        /// <param name="path" type="string">URI path component.</param>
+        /// <returns type="String">Path without any . and .. folders.</returns>
+
+        var result = "";
+        var segment = "";
+        var end;
+
+        while (path) {
+            if (path.indexOf("..") === 0 || path.indexOf(".") === 0) {
+                path = path.replace(/^\.\.?\/?/g, "");
+            } else if (path.indexOf("/..") === 0) {
+                path = path.replace(/^\/\..\/?/g, "/");
+                end = result.lastIndexOf("/");
+                if (end === -1) {
+                    result = "";
+                } else {
+                    result = result.substring(0, end);
+                }
+            } else if (path.indexOf("/.") === 0) {
+                path = path.replace(/^\/\.\/?/g, "/");
+            } else {
+                segment = path;
+                end = path.indexOf("/", 1);
+                if (end !== -1) {
+                    segment = path.substring(0, end);
+                }
+                result = result + segment;
+                path = path.replace(segment, "");
+            }
+        }
+        return result;
+    };
+
+    var convertByteArrayToHexString = function (str) {
+        var arr = [];
+        if (window.atob === undefined) {
+            arr = decodeBase64(str);
+        } else {
+            var binaryStr = window.atob(str);
+            for (var i = 0; i < binaryStr.length; i++) {
+                arr.push(binaryStr.charCodeAt(i));
+            }
+        }
+        var hexValue = "";
+        var hexValues = "0123456789ABCDEF";
+        for (var j = 0; j < arr.length; j++) {
+            var t = arr[j];
+            hexValue += hexValues[t >> 4];
+            hexValue += hexValues[t & 0x0F];
+        }
+        return hexValue;
+    };
+
+    var decodeBase64 = function (str) {
+        var binaryString = "";
+        for (var i = 0; i < str.length; i++) {
+            var base65IndexValue = getBase64IndexValue(str[i]);
+            var binaryValue = "";
+            if (base65IndexValue !== null) {
+                binaryValue = base65IndexValue.toString(2);
+                binaryString += addBase64Padding(binaryValue);
+            }
+        }
+        var byteArray = [];
+        var numberOfBytes = parseInt(binaryString.length / 8, 10);
+        for (i = 0; i < numberOfBytes; i++) {
+            var intValue = parseInt(binaryString.substring(i * 8, (i + 1) * 8), 2);
+            byteArray.push(intValue);
+        }
+        return byteArray;
+    };
+
+    var getBase64IndexValue = function (character) {
+        var asciiCode = character.charCodeAt(0);
+        var asciiOfA = 65;
+        var differenceBetweenZanda = 6;
+        if (asciiCode >= 65 && asciiCode <= 90) {           // between "A" and "Z" inclusive
+            return asciiCode - asciiOfA;
+        } else if (asciiCode >= 97 && asciiCode <= 122) {   // between 'a' and 'z' inclusive
+            return asciiCode - asciiOfA - differenceBetweenZanda;
+        } else if (asciiCode >= 48 && asciiCode <= 57) {    // between '0' and '9' inclusive
+            return asciiCode + 4;
+        } else if (character == "+") {
+            return 62;
+        } else if (character == "/") {
+            return 63;
+        } else {
+            return null;
+        }
+    };
+
+    var addBase64Padding = function (binaryString) {
+        while (binaryString.length < 6) {
+            binaryString = "0" + binaryString;
+        }
+        return binaryString;
+    };
+
+
+    // URI prefixes to generate smaller code.
+    var http = "http://";
+    var w3org = http + "www.w3.org/";               // http://www.w3.org/
+
+    var xhtmlNS = w3org + "1999/xhtml";             // http://www.w3.org/1999/xhtml
+    var xmlnsNS = w3org + "2000/xmlns/";            // http://www.w3.org/2000/xmlns/
+    var xmlNS = w3org + "XML/1998/namespace";       // http://www.w3.org/XML/1998/namespace
+
+    var mozillaParserErroNS = http + "www.mozilla.org/newlayout/xml/parsererror.xml";
+
+    var hasLeadingOrTrailingWhitespace = function (text) {
+        /// <summary>Checks whether the specified string has leading or trailing spaces.</summary>
+        /// <param name="text" type="String">String to check.</param>
+        /// <returns type="Boolean">true if text has any leading or trailing whitespace; false otherwise.</returns>
+
+        var re = /(^\s)|(\s$)/;
+        return re.test(text);
+    };
+
+    var isWhitespace = function (text) {
+        /// <summary>Determines whether the specified text is empty or whitespace.</summary>
+        /// <param name="text" type="String">Value to inspect.</param>
+        /// <returns type="Boolean">true if the text value is empty or all whitespace; false otherwise.</returns>
+
+        var ws = /^\s*$/;
+        return text === null || ws.test(text);
+    };
+
+    var isWhitespacePreserveContext = function (domElement) {
+        /// <summary>Determines whether the specified element has xml:space='preserve' applied.</summary>
+        /// <param name="domElement">Element to inspect.</param>
+        /// <returns type="Boolean">Whether xml:space='preserve' is in effect.</returns>
+
+        while (domElement !== null && domElement.nodeType === 1) {
+            var val = xmlAttributeValue(domElement, "space", xmlNS);
+            if (val === "preserve") {
+                return true;
+            } else if (val === "default") {
+                break;
+            } else {
+                domElement = domElement.parentNode;
+            }
+        }
+
+        return false;
+    };
+
+    var isXmlNSDeclaration = function (domAttribute) {
+        /// <summary>Determines whether the attribute is a XML namespace declaration.</summary>
+        /// <param name="domAttribute">Element to inspect.</param>
+        /// <returns type="Boolean">
+        ///    True if the attribute is a namespace declaration (its name is 'xmlns' or starts with 'xmlns:'; false otherwise.
+        /// </returns>
+
+        var nodeName = domAttribute.nodeName;
+        return nodeName == "xmlns" || nodeName.indexOf("xmlns:") === 0;
+    };
+
+    var safeSetProperty = function (obj, name, value) {
+        /// <summary>Safely set as property in an object by invoking obj.setProperty.</summary>
+        /// <param name="obj">Object that exposes a setProperty method.</param>
+        /// <param name="name" type="String" mayBeNull="false">Property name.</param>
+        /// <param name="value">Property value.</param>
+
+        try {
+            obj.setProperty(name, value);
+        } catch (_) { }
+    };
+
+    var msXmlDom3 = function () {
+        /// <summary>Creates an configures new MSXML 3.0 ActiveX object.</summary>
+        /// <remakrs>
+        ///    This function throws any exception that occurs during the creation
+        ///    of the MSXML 3.0 ActiveX object.
+        /// <returns type="Object">New MSXML 3.0 ActiveX object.</returns>
+
+        var msxml3 = activeXObject("Msxml2.DOMDocument.3.0");
+        if (msxml3) {
+            safeSetProperty(msxml3, "ProhibitDTD", true);
+            safeSetProperty(msxml3, "MaxElementDepth", 256);
+            safeSetProperty(msxml3, "AllowDocumentFunction", false);
+            safeSetProperty(msxml3, "AllowXsltScript", false);
+        }
+        return msxml3;
+    };
+
+    var msXmlDom = function () {
+        /// <summary>Creates an configures new MSXML 6.0 or MSXML 3.0 ActiveX object.</summary>
+        /// <remakrs>
+        ///    This function will try to create a new MSXML 6.0 ActiveX object. If it fails then
+        ///    it will fallback to create a new MSXML 3.0 ActiveX object. Any exception that
+        ///    happens during the creation of the MSXML 6.0 will be handled by the function while
+        ///    the ones that happend during the creation of the MSXML 3.0 will be thrown.
+        /// <returns type="Object">New MSXML 3.0 ActiveX object.</returns>
+
+        try {
+            var msxml = activeXObject("Msxml2.DOMDocument.6.0");
+            if (msxml) {
+                msxml.async = true;
+            }
+            return msxml;
+        } catch (_) {
+            return msXmlDom3();
+        }
+    };
+
+    var msXmlParse = function (text) {
+        /// <summary>Parses an XML string using the MSXML DOM.</summary>
+        /// <remakrs>
+        ///    This function throws any exception that occurs during the creation
+        ///    of the MSXML ActiveX object.  It also will throw an exception
+        ///    in case of a parsing error.
+        /// <returns type="Object">New MSXML DOMDocument node representing the parsed XML string.</returns>
+
+        var dom = msXmlDom();
+        if (!dom) {
+            return null;
+        }
+
+        dom.loadXML(text);
+        var parseError = dom.parseError;
+        if (parseError.errorCode !== 0) {
+            xmlThrowParserError(parseError.reason, parseError.srcText, text);
+        }
+        return dom;
+    };
+
+    var xmlThrowParserError = function (exceptionOrReason, srcText, errorXmlText) {
+        /// <summary>Throws a new exception containing XML parsing error information.</summary>
+        /// <param name="exceptionOrReason">
+        ///    String indicatin the reason of the parsing failure or
+        ///    Object detailing the parsing error.
+        /// </param>
+        /// <param name="srcText" type="String">
+        ///    String indicating the part of the XML string that caused the parsing error.
+        /// </param>
+        /// <param name="errorXmlText" type="String">XML string for wich the parsing failed.</param>
+
+        if (typeof exceptionOrReason === "string") {
+            exceptionOrReason = { message: exceptionOrReason };
+        }
+        throw extend(exceptionOrReason, { srcText: srcText || "", errorXmlText: errorXmlText || "" });
+    };
+
+    var xmlParse = function (text) {
+        /// <summary>Returns an XML DOM document from the specified text.</summary>
+        /// <param name="text" type="String">Document text.</param>
+        /// <returns>XML DOM document.</returns>
+        /// <remarks>This function will throw an exception in case of a parse error.</remarks>
+
+        var domParser = window.DOMParser && new window.DOMParser();
+        var dom;
+
+        if (!domParser) {
+            dom = msXmlParse(text);
+            if (!dom) {
+                xmlThrowParserError("XML DOM parser not supported");
+            }
+            return dom;
+        }
+
+        try {
+            dom = domParser.parseFromString(text, "text/xml");
+        } catch (e) {
+            xmlThrowParserError(e, "", text);
+        }
+
+        var element = dom.documentElement;
+        var nsURI = element.namespaceURI;
+        var localName = xmlLocalName(element);
+
+        // Firefox reports errors by returing the DOM for an xml document describing the problem.
+        if (localName === "parsererror" && nsURI === mozillaParserErroNS) {
+            var srcTextElement = xmlFirstChildElement(element, mozillaParserErroNS, "sourcetext");
+            var srcText = srcTextElement ? xmlNodeValue(srcTextElement) : "";
+            xmlThrowParserError(xmlInnerText(element) || "", srcText, text);
+        }
+
+        // Chrome (and maybe other webkit based browsers) report errors by injecting a header with an error message.
+        // The error may be localized, so instead we simply check for a header as the
+        // top element or descendant child of the document.
+        if (localName === "h3" && nsURI === xhtmlNS || xmlFirstDescendantElement(element, xhtmlNS, "h3")) {
+            var reason = "";
+            var siblings = [];
+            var cursor = element.firstChild;
+            while (cursor) {
+                if (cursor.nodeType === 1) {
+                    reason += xmlInnerText(cursor) || "";
+                }
+                siblings.push(cursor.nextSibling);
+                cursor = cursor.firstChild || siblings.shift();
+            }
+            reason += xmlInnerText(element) || "";
+            xmlThrowParserError(reason, "", text);
+        }
+
+        return dom;
+    };
+
+    var xmlQualifiedName = function (prefix, name) {
+        /// <summary>Builds a XML qualified name string in the form of "prefix:name".</summary>
+        /// <param name="prefix" type="String" maybeNull="true">Prefix string.</param>
+        /// <param name="name" type="String">Name string to qualify with the prefix.</param>
+        /// <returns type="String">Qualified name.</returns>
+
+        return prefix ? prefix + ":" + name : name;
+    };
+
+    var xmlAppendText = function (domNode, textNode) {
+        /// <summary>Appends a text node into the specified DOM element node.</summary>
+        /// <param name="domNode">DOM node for the element.</param>
+        /// <param name="text" type="String" mayBeNull="false">Text to append as a child of element.</param>
+        if (hasLeadingOrTrailingWhitespace(textNode.data)) {
+            var attr = xmlAttributeNode(domNode, xmlNS, "space");
+            if (!attr) {
+                attr = xmlNewAttribute(domNode.ownerDocument, xmlNS, xmlQualifiedName("xml", "space"));
+                xmlAppendChild(domNode, attr);
+            }
+            attr.value = "preserve";
+        }
+        domNode.appendChild(textNode);
+        return domNode;
+    };
+
+    var xmlAttributes = function (element, onAttributeCallback) {
+        /// <summary>Iterates through the XML element's attributes and invokes the callback function for each one.</summary>
+        /// <param name="element">Wrapped element to iterate over.</param>
+        /// <param name="onAttributeCallback" type="Function">Callback function to invoke with wrapped attribute nodes.</param>
+
+        var attributes = element.attributes;
+        var i, len;
+        for (i = 0, len = attributes.length; i < len; i++) {
+            onAttributeCallback(attributes.item(i));
+        }
+    };
+
+    var xmlAttributeValue = function (domNode, localName, nsURI) {
+        /// <summary>Returns the value of a DOM element's attribute.</summary>
+        /// <param name="domNode">DOM node for the owning element.</param>
+        /// <param name="localName" type="String">Local name of the attribute.</param>
+        /// <param name="nsURI" type="String">Namespace URI of the attribute.</param>
+        /// <returns type="String" maybeNull="true">The attribute value, null if not found.</returns>
+
+        var attribute = xmlAttributeNode(domNode, localName, nsURI);
+        return attribute ? xmlNodeValue(attribute) : null;
+    };
+
+    var xmlAttributeNode = function (domNode, localName, nsURI) {
+        /// <summary>Gets an attribute node from a DOM element.</summary>
+        /// <param name="domNode">DOM node for the owning element.</param>
+        /// <param name="localName" type="String">Local name of the attribute.</param>
+        /// <param name="nsURI" type="String">Namespace URI of the attribute.</param>
+        /// <returns>The attribute node, null if not found.</returns>
+
+        var attributes = domNode.attributes;
+        if (attributes.getNamedItemNS) {
+            return attributes.getNamedItemNS(nsURI || null, localName);
+        }
+
+        return attributes.getQualifiedItem(localName, nsURI) || null;
+    };
+
+    var xmlBaseURI = function (domNode, baseURI) {
+        /// <summary>Gets the value of the xml:base attribute on the specified element.</summary>
+        /// <param name="domNode">Element to get xml:base attribute value from.</param>
+        /// <param name="baseURI" mayBeNull="true" optional="true">Base URI used to normalize the value of the xml:base attribute.</param>
+        /// <returns type="String">Value of the xml:base attribute if found; the baseURI or null otherwise.</returns>
+
+        var base = xmlAttributeNode(domNode, "base", xmlNS);
+        return (base ? normalizeURI(base.value, baseURI) : baseURI) || null;
+    };
+
+
+    var xmlChildElements = function (domNode, onElementCallback) {
+        /// <summary>Iterates through the XML element's child DOM elements and invokes the callback function for each one.</summary>
+        /// <param name="element">DOM Node containing the DOM elements to iterate over.</param>
+        /// <param name="onElementCallback" type="Function">Callback function to invoke for each child DOM element.</param>
+
+        xmlTraverse(domNode, /*recursive*/false, function (child) {
+            if (child.nodeType === 1) {
+                onElementCallback(child);
+            }
+            // continue traversing.
+            return true;
+        });
+    };
+
+    var xmlFindElementByPath = function (root, namespaceURI, path) {
+        /// <summary>Gets the descendant element under root that corresponds to the specified path and namespace URI.</summary>
+        /// <param name="root">DOM element node from which to get the descendant element.</param>
+        /// <param name="namespaceURI" type="String">The namespace URI of the element to match.</param>
+        /// <param name="path" type="String">Path to the desired descendant element.</param>
+        /// <returns>The element specified by path and namespace URI.</returns>
+        /// <remarks>
+        ///     All the elements in the path are matched against namespaceURI.
+        ///     The function will stop searching on the first element that doesn't match the namespace and the path.
+        /// </remarks>
+
+        var parts = path.split("/");
+        var i, len;
+        for (i = 0, len = parts.length; i < len; i++) {
+            root = root && xmlFirstChildElement(root, namespaceURI, parts[i]);
+        }
+        return root || null;
+    };
+
+    var xmlFindNodeByPath = function (root, namespaceURI, path) {
+        /// <summary>Gets the DOM element or DOM attribute node under root that corresponds to the specified path and namespace URI.</summary>
+        /// <param name="root">DOM element node from which to get the descendant node.</param>
+        /// <param name="namespaceURI" type="String">The namespace URI of the node to match.</param>
+        /// <param name="path" type="String">Path to the desired descendant node.</param>
+        /// <returns>The node specified by path and namespace URI.</returns>
+        /// <remarks>
+        ///     This function will traverse the path and match each node associated to a path segement against the namespace URI.
+        ///     The traversal stops when the whole path has been exahusted or a node that doesn't belogong the specified namespace is encountered.
+        ///
+        ///     The last segment of the path may be decorated with a starting @ character to indicate that the desired node is a DOM attribute.
+        /// </remarks>
+
+        var lastSegmentStart = path.lastIndexOf("/");
+        var nodePath = path.substring(lastSegmentStart + 1);
+        var parentPath = path.substring(0, lastSegmentStart);
+
+        var node = parentPath ? xmlFindElementByPath(root, namespaceURI, parentPath) : root;
+        if (node) {
+            if (nodePath.charAt(0) === "@") {
+                return xmlAttributeNode(node, nodePath.substring(1), namespaceURI);
+            }
+            return xmlFirstChildElement(node, namespaceURI, nodePath);
+        }
+        return null;
+    };
+
+    var xmlFirstChildElement = function (domNode, namespaceURI, localName) {
+        /// <summary>Returns the first child DOM element under the specified DOM node that matches the specified namespace URI and local name.</summary>
+        /// <param name="domNode">DOM node from which the child DOM element is going to be retrieved.</param>
+        /// <param name="namespaceURI" type="String" optional="true">The namespace URI of the element to match.</param>
+        /// <param name="localName" type="String" optional="true">Name of the element to match.</param>
+        /// <returns>The node's first child DOM element that matches the specified namespace URI and local name; null otherwise.</returns>
+
+        return xmlFirstElementMaybeRecursive(domNode, namespaceURI, localName, /*recursive*/false);
+    };
+
+    var xmlFirstDescendantElement = function (domNode, namespaceURI, localName) {
+        /// <summary>Returns the first descendant DOM element under the specified DOM node that matches the specified namespace URI and local name.</summary>
+        /// <param name="domNode">DOM node from which the descendant DOM element is going to be retrieved.</param>
+        /// <param name="namespaceURI" type="String" optional="true">The namespace URI of the element to match.</param>
+        /// <param name="localName" type="String" optional="true">Name of the element to match.</param>
+        /// <returns>The node's first descendant DOM element that matches the specified namespace URI and local name; null otherwise.</returns>
+
+        if (domNode.getElementsByTagNameNS) {
+            var result = domNode.getElementsByTagNameNS(namespaceURI, localName);
+            return result.length > 0 ? result[0] : null;
+        }
+        return xmlFirstElementMaybeRecursive(domNode, namespaceURI, localName, /*recursive*/true);
+    };
+
+    var xmlFirstElementMaybeRecursive = function (domNode, namespaceURI, localName, recursive) {
+        /// <summary>Returns the first descendant DOM element under the specified DOM node that matches the specified namespace URI and local name.</summary>
+        /// <param name="domNode">DOM node from which the descendant DOM element is going to be retrieved.</param>
+        /// <param name="namespaceURI" type="String" optional="true">The namespace URI of the element to match.</param>
+        /// <param name="localName" type="String" optional="true">Name of the element to match.</param>
+        /// <param name="recursive" type="Boolean">
+        ///     True if the search should include all the descendants of the DOM node.
+        ///     False if the search should be scoped only to the direct children of the DOM node.
+        /// </param>
+        /// <returns>The node's first descendant DOM element that matches the specified namespace URI and local name; null otherwise.</returns>
+
+        var firstElement = null;
+        xmlTraverse(domNode, recursive, function (child) {
+            if (child.nodeType === 1) {
+                var isExpectedNamespace = !namespaceURI || xmlNamespaceURI(child) === namespaceURI;
+                var isExpectedNodeName = !localName || xmlLocalName(child) === localName;
+
+                if (isExpectedNamespace && isExpectedNodeName) {
+                    firstElement = child;
+                }
+            }
+            return firstElement === null;
+        });
+        return firstElement;
+    };
+
+    var xmlInnerText = function (xmlElement) {
+        /// <summary>Gets the concatenated value of all immediate child text and CDATA nodes for the specified element.</summary>
+        /// <param name="domElement">Element to get values for.</param>
+        /// <returns type="String">Text for all direct children.</returns>
+
+        var result = null;
+        var root = (xmlElement.nodeType === 9 && xmlElement.documentElement) ? xmlElement.documentElement : xmlElement;
+        var whitespaceAlreadyRemoved = root.ownerDocument.preserveWhiteSpace === false;
+        var whitespacePreserveContext;
+
+        xmlTraverse(root, false, function (child) {
+            if (child.nodeType === 3 || child.nodeType === 4) {
+                // isElementContentWhitespace indicates that this is 'ignorable whitespace',
+                // but it's not defined by all browsers, and does not honor xml:space='preserve'
+                // in some implementations.
+                //
+                // If we can't tell either way, we walk up the tree to figure out whether
+                // xml:space is set to preserve; otherwise we discard pure-whitespace.
+                //
+                // For example <a>  <b>1</b></a>. The space between <a> and <b> is usually 'ignorable'.
+                var text = xmlNodeValue(child);
+                var shouldInclude = whitespaceAlreadyRemoved || !isWhitespace(text);
+                if (!shouldInclude) {
+                    // Walk up the tree to figure out whether we are in xml:space='preserve' context
+                    // for the cursor (needs to happen only once).
+                    if (whitespacePreserveContext === undefined) {
+                        whitespacePreserveContext = isWhitespacePreserveContext(root);
+                    }
+
+                    shouldInclude = whitespacePreserveContext;
+                }
+
+                if (shouldInclude) {
+                    if (!result) {
+                        result = text;
+                    } else {
+                        result += text;
+                    }
+                }
+            }
+            // Continue traversing?
+            return true;
+        });
+        return result;
+    };
+
+    var xmlLocalName = function (domNode) {
+        /// <summary>Returns the localName of a XML node.</summary>
+        /// <param name="domNode">DOM node to get the value from.</param>
+        /// <returns type="String">localName of domNode.</returns>
+
+        return domNode.localName || domNode.baseName;
+    };
+
+    var xmlNamespaceURI = function (domNode) {
+        /// <summary>Returns the namespace URI of a XML node.</summary>
+        /// <param name="node">DOM node to get the value from.</param>
+        /// <returns type="String">Namespace URI of domNode.</returns>
+
+        return domNode.namespaceURI || null;
+    };
+
+    var xmlNodeValue = function (domNode) {
+        /// <summary>Returns the value or the inner text of a XML node.</summary>
+        /// <param name="node">DOM node to get the value from.</param>
+        /// <returns>Value of the domNode or the inner text if domNode represents a DOM element node.</returns>
+        
+        if (domNode.nodeType === 1) {
+            return xmlInnerText(domNode);
+        }
+        return domNode.nodeValue;
+    };
+
+    var xmlTraverse = function (domNode, recursive, onChildCallback) {
+        /// <summary>Walks through the descendants of the domNode and invokes a callback for each node.</summary>
+        /// <param name="domNode">DOM node whose descendants are going to be traversed.</param>
+        /// <param name="recursive" type="Boolean">
+        ///    True if the traversal should include all the descenants of the DOM node.
+        ///    False if the traversal should be scoped only to the direct children of the DOM node.
+        /// </param>
+        /// <returns type="String">Namespace URI of node.</returns>
+
+        var subtrees = [];
+        var child = domNode.firstChild;
+        var proceed = true;
+        while (child && proceed) {
+            proceed = onChildCallback(child);
+            if (proceed) {
+                if (recursive && child.firstChild) {
+                    subtrees.push(child.firstChild);
+                }
+                child = child.nextSibling || subtrees.shift();
+            }
+        }
+    };
+
+    var xmlSiblingElement = function (domNode, namespaceURI, localName) {
+        /// <summary>Returns the next sibling DOM element of the specified DOM node.</summary>
+        /// <param name="domNode">DOM node from which the next sibling is going to be retrieved.</param>
+        /// <param name="namespaceURI" type="String" optional="true">The namespace URI of the element to match.</param>
+        /// <param name="localName" type="String" optional="true">Name of the element to match.</param>
+        /// <returns>The node's next sibling DOM element, null if there is none.</returns>
+
+        var sibling = domNode.nextSibling;
+        while (sibling) {
+            if (sibling.nodeType === 1) {
+                var isExpectedNamespace = !namespaceURI || xmlNamespaceURI(sibling) === namespaceURI;
+                var isExpectedNodeName = !localName || xmlLocalName(sibling) === localName;
+
+                if (isExpectedNamespace && isExpectedNodeName) {
+                    return sibling;
+                }
+            }
+            sibling = sibling.nextSibling;
+        }
+        return null;
+    };
+
+    var xmlDom = function () {
+        /// <summary>Creates a new empty DOM document node.</summary>
+        /// <returns>New DOM document node.</returns>
+        /// <remarks>
+        ///    This function will first try to create a native DOM document using
+        ///    the browsers createDocument function.  If the browser doesn't
+        ///    support this but supports ActiveXObject, then an attempt to create
+        ///    an MSXML 6.0 DOM will be made. If this attempt fails too, then an attempt
+        ///    for creating an MXSML 3.0 DOM will be made.  If this last attemp fails or
+        ///    the browser doesn't support ActiveXObject then an exception will be thrown.
+        /// </remarks>
+
+        var implementation = window.document.implementation;
+        return (implementation && implementation.createDocument) ?
+           implementation.createDocument(null, null, null) :
+           msXmlDom();
+    };
+
+    var xmlAppendChildren = function (parent, children) {
+        /// <summary>Appends a collection of child nodes or string values to a parent DOM node.</summary>
+        /// <param name="parent">DOM node to which the children will be appended.</param>
+        /// <param name="children" type="Array">Array containing DOM nodes or string values that will be appended to the parent.</param>
+        /// <returns>The parent with the appended children or string values.</returns>
+        /// <remarks>
+        ///    If a value in the children collection is a string, then a new DOM text node is going to be created
+        ///    for it and then appended to the parent.
+        /// </remarks>
+
+        if (!isArray(children)) {
+            return xmlAppendChild(parent, children);
+        }
+
+        var i, len;
+        for (i = 0, len = children.length; i < len; i++) {
+            children[i] && xmlAppendChild(parent, children[i]);
+        }
+        return parent;
+    };
+
+    var xmlAppendChild = function (parent, child) {
+        /// <summary>Appends a child node or a string value to a parent DOM node.</summary>
+        /// <param name="parent">DOM node to which the child will be appended.</param>
+        /// <param name="child">Child DOM node or string value to append to the parent.</param>
+        /// <returns>The parent with the appended child or string value.</returns>
+        /// <remarks>
+        ///    If child is a string value, then a new DOM text node is going to be created
+        ///    for it and then appended to the parent.
+        /// </remarks>
+
+        if (child) {
+            if (typeof child === "string") {
+                return xmlAppendText(parent, xmlNewText(parent.ownerDocument, child));
+            }
+            if (child.nodeType === 2) {
+                parent.setAttributeNodeNS ? parent.setAttributeNodeNS(child) : parent.setAttributeNode(child);
+            } else {
+                parent.appendChild(child);
+            }
+        }
+        return parent;
+    };
+
+    var xmlNewAttribute = function (dom, namespaceURI, qualifiedName, value) {
+        /// <summary>Creates a new DOM attribute node.</summary>
+        /// <param name="dom">DOM document used to create the attribute.</param>
+        /// <param name="prefix" type="String">Namespace prefix.</param>
+        /// <param name="namespaceURI" type="String">Namespace URI.</param>
+        /// <returns>DOM attribute node for the namespace declaration.</returns>
+
+        var attribute =
+            dom.createAttributeNS && dom.createAttributeNS(namespaceURI, qualifiedName) ||
+            dom.createNode(2, qualifiedName, namespaceURI || undefined);
+
+        attribute.value = value || "";
+        return attribute;
+    };
+
+    var xmlNewElement = function (dom, nampespaceURI, qualifiedName, children) {
+        /// <summary>Creates a new DOM element node.</summary>
+        /// <param name="dom">DOM document used to create the DOM element.</param>
+        /// <param name="namespaceURI" type="String">Namespace URI of the new DOM element.</param>
+        /// <param name="qualifiedName" type="String">Qualified name in the form of "prefix:name" of the new DOM element.</param>
+        /// <param name="children" type="Array" optional="true">
+        ///     Collection of child DOM nodes or string values that are going to be appended to the new DOM element.
+        /// </param>
+        /// <returns>New DOM element.</returns>
+        /// <remarks>
+        ///    If a value in the children collection is a string, then a new DOM text node is going to be created
+        ///    for it and then appended to the new DOM element.
+        /// </remarks>
+
+        var element =
+            dom.createElementNS && dom.createElementNS(nampespaceURI, qualifiedName) ||
+            dom.createNode(1, qualifiedName, nampespaceURI || undefined);
+
+        return xmlAppendChildren(element, children || []);
+    };
+
+    var xmlNewNSDeclaration = function (dom, namespaceURI, prefix) {
+        /// <summary>Creates a namespace declaration attribute.</summary>
+        /// <param name="dom">DOM document used to create the attribute.</param>
+        /// <param name="namespaceURI" type="String">Namespace URI.</param>
+        /// <param name="prefix" type="String">Namespace prefix.</param>
+        /// <returns>DOM attribute node for the namespace declaration.</returns>
+
+        return xmlNewAttribute(dom, xmlnsNS, xmlQualifiedName("xmlns", prefix), namespaceURI);
+    };
+
+    var xmlNewFragment = function (dom, text) {
+        /// <summary>Creates a new DOM document fragment node for the specified xml text.</summary>
+        /// <param name="dom">DOM document from which the fragment node is going to be created.</param>
+        /// <param name="text" type="String" mayBeNull="false">XML text to be represented by the XmlFragment.</param>
+        /// <returns>New DOM document fragment object.</returns>
+
+        var value = "<c>" + text + "</c>";
+        var tempDom = xmlParse(value);
+        var tempRoot = tempDom.documentElement;
+        var imported = ("importNode" in dom) ? dom.importNode(tempRoot, true) : tempRoot;
+        var fragment = dom.createDocumentFragment();
+
+        var importedChild = imported.firstChild;
+        while (importedChild) {
+            fragment.appendChild(importedChild);
+            importedChild = importedChild.nextSibling;
+        }
+        return fragment;
+    };
+
+    var xmlNewText = function (dom, text) {
+        /// <summary>Creates new DOM text node.</summary>
+        /// <param name="dom">DOM document used to create the text node.</param>
+        /// <param name="text" type="String">Text value for the DOM text node.</param>
+        /// <returns>DOM text node.</returns>
+
+        return dom.createTextNode(text);
+    };
+
+    var xmlNewNodeByPath = function (dom, root, namespaceURI, prefix, path) {
+        /// <summary>Creates a new DOM element or DOM attribute node as specified by path and appends it to the DOM tree pointed by root.</summary>
+        /// <param name="dom">DOM document used to create the new node.</param>
+        /// <param name="root">DOM element node used as root of the subtree on which the new nodes are going to be created.</param>
+        /// <param name="namespaceURI" type="String">Namespace URI of the new DOM element or attribute.</param>
+        /// <param name="namespacePrefix" type="String">Prefix used to qualify the name of the new DOM element or attribute.</param>
+        /// <param name="Path" type="String">Path string describing the location of the new DOM element or attribute from the root element.</param>
+        /// <returns>DOM element or attribute node for the last segment of the path.</returns>
+        /// <remarks>
+        ///     This function will traverse the path and will create a new DOM element with the specified namespace URI and prefix
+        ///     for each segment that doesn't have a matching element under root.
+        ///
+        ///     The last segment of the path may be decorated with a starting @ character. In this case a new DOM attribute node
+        ///     will be created.
+        /// </remarks>
+
+        var name = "";
+        var parts = path.split("/");
+        var xmlFindNode = xmlFirstChildElement;
+        var xmlNewNode = xmlNewElement;
+        var xmlNode = root;
+
+        var i, len;
+        for (i = 0, len = parts.length; i < len; i++) {
+            name = parts[i];
+            if (name.charAt(0) === "@") {
+                name = name.substring(1);
+                xmlFindNode = xmlAttributeNode;
+                xmlNewNode = xmlNewAttribute;
+            }
+
+            var childNode = xmlFindNode(xmlNode, namespaceURI, name);
+            if (!childNode) {
+                childNode = xmlNewNode(dom, namespaceURI, xmlQualifiedName(prefix, name));
+                xmlAppendChild(xmlNode, childNode);
+            }
+            xmlNode = childNode;
+        }
+        return xmlNode;
+    };
+
+    var xmlSerialize = function (domNode) {
+        /// <summary>
+        /// Returns the text representation of the document to which the specified node belongs.
+        /// </summary>
+        /// <param name="root">Wrapped element in the document to serialize.</param>
+        /// <returns type="String">Serialized document.</returns>
+
+        var xmlSerializer = window.XMLSerializer;
+        if (xmlSerializer) {
+            var serializer = new xmlSerializer();
+            return serializer.serializeToString(domNode);
+        }
+
+        if (domNode.xml) {
+            return domNode.xml;
+        }
+
+        throw { message: "XML serialization unsupported" };
+    };
+
+    var xmlSerializeDescendants = function (domNode) {
+        /// <summary>Returns the XML representation of the all the descendants of the node.</summary>
+        /// <param name="domNode" optional="false" mayBeNull="false">Node to serialize.</param>
+        /// <returns type="String">The XML representation of all the descendants of the node.</returns>
+
+        var children = domNode.childNodes;
+        var i, len = children.length;
+        if (len === 0) {
+            return "";
+        }
+
+        // Some implementations of the XMLSerializer don't deal very well with fragments that
+        // don't have a DOMElement as their first child. The work around is to wrap all the
+        // nodes in a dummy root node named "c", serialize it and then just extract the text between
+        // the <c> and the </c> substrings.
+
+        var dom = domNode.ownerDocument;
+        var fragment = dom.createDocumentFragment();
+        var fragmentRoot = dom.createElement("c");
+
+        fragment.appendChild(fragmentRoot);
+        // Move the children to the fragment tree.
+        for (i = 0; i < len; i++) {
+            fragmentRoot.appendChild(children[i]);
+        }
+
+        var xml = xmlSerialize(fragment);
+        xml = xml.substr(3, xml.length - 7);
+
+        // Move the children back to the original dom tree.
+        for (i = 0; i < len; i++) {
+            domNode.appendChild(fragmentRoot.childNodes[i]);
+        }
+
+        return xml;
+    };
+
+    var xmlSerializeNode = function (domNode) {
+        /// <summary>Returns the XML representation of the node and all its descendants.</summary>
+        /// <param name="domNode" optional="false" mayBeNull="false">Node to serialize.</param>
+        /// <returns type="String">The XML representation of the node and all its descendants.</returns>
+
+        var xml = domNode.xml;
+        if (xml !== undefined) {
+            return xml;
+        }
+
+        if (window.XMLSerializer) {
+            var serializer = new window.XMLSerializer();
+            return serializer.serializeToString(domNode);
+        }
+
+        throw { message: "XML serialization unsupported" };
+    };
+
+
+
+
+    var forwardCall = function (thisValue, name, returnValue) {
+        /// <summary>Creates a new function to forward a call.</summary>
+        /// <param name="thisValue" type="Object">Value to use as the 'this' object.</param>
+        /// <param name="name" type="String">Name of function to forward to.</param>
+        /// <param name="returnValue" type="Object">Return value for the forward call (helps keep identity when chaining calls).</param>
+        /// <returns type="Function">A new function that will forward a call.</returns>
+
+        return function () {
+            thisValue[name].apply(thisValue, arguments);
+            return returnValue;
+        };
+    };
+
+    var DjsDeferred = function () {
+        /// <summary>Initializes a new DjsDeferred object.</summary>
+        /// <remarks>
+        /// Compability Note A - Ordering of callbacks through chained 'then' invocations
+        ///
+        /// The Wiki entry at http://wiki.commonjs.org/wiki/Promises/A
+        /// implies that .then() returns a distinct object.
+        ////
+        /// For compatibility with http://api.jquery.com/category/deferred-object/
+        /// we return this same object. This affects ordering, as
+        /// the jQuery version will fire callbacks in registration
+        /// order regardless of whether they occur on the result
+        /// or the original object.
+        ///
+        /// Compability Note B - Fulfillment value
+        ///
+        /// The Wiki entry at http://wiki.commonjs.org/wiki/Promises/A
+        /// implies that the result of a success callback is the
+        /// fulfillment value of the object and is received by
+        /// other success callbacks that are chained.
+        ///
+        /// For compatibility with http://api.jquery.com/category/deferred-object/
+        /// we disregard this value instead.
+        /// </remarks>
+
+        this._arguments = undefined;
+        this._done = undefined;
+        this._fail = undefined;
+        this._resolved = false;
+        this._rejected = false;
+    };
+
+    DjsDeferred.prototype = {
+        then: function (fulfilledHandler, errorHandler /*, progressHandler */) {
+            /// <summary>Adds success and error callbacks for this deferred object.</summary>
+            /// <param name="fulfilledHandler" type="Function" mayBeNull="true" optional="true">Success callback.</param>
+            /// <param name="errorHandler" type="Function" mayBeNull="true" optional="true">Error callback.</param>
+            /// <remarks>See Compatibility Note A.</remarks>
+
+            if (fulfilledHandler) {
+                if (!this._done) {
+                    this._done = [fulfilledHandler];
+                } else {
+                    this._done.push(fulfilledHandler);
+                }
+            }
+
+            if (errorHandler) {
+                if (!this._fail) {
+                    this._fail = [errorHandler];
+                } else {
+                    this._fail.push(errorHandler);
+                }
+            }
+
+            //// See Compatibility Note A in the DjsDeferred constructor.
+            //// if (!this._next) {
+            ////    this._next = createDeferred();
+            //// }
+            //// return this._next.promise();
+
+            if (this._resolved) {
+                this.resolve.apply(this, this._arguments);
+            } else if (this._rejected) {
+                this.reject.apply(this, this._arguments);
+            }
+
+            return this;
+        },
+
+        resolve: function (/* args */) {
+            /// <summary>Invokes success callbacks for this deferred object.</summary>
+            /// <remarks>All arguments are forwarded to success callbacks.</remarks>
+
+
+            if (this._done) {
+                var i, len;
+                for (i = 0, len = this._done.length; i < len; i++) {
+                    //// See Compability Note B - Fulfillment value.
+                    //// var nextValue =
+                    this._done[i].apply(null, arguments);
+                }
+
+                //// See Compatibility Note A in the DjsDeferred constructor.
+                //// this._next.resolve(nextValue);
+                //// delete this._next;
+
+                this._done = undefined;
+                this._resolved = false;
+                this._arguments = undefined;
+            } else {
+                this._resolved = true;
+                this._arguments = arguments;
+            }
+        },
+
+        reject: function (/* args */) {
+            /// <summary>Invokes error callbacks for this deferred object.</summary>
+            /// <remarks>All arguments are forwarded to error callbacks.</remarks>
+            if (this._fail) {
+                var i, len;
+                for (i = 0, len = this._fail.length; i < len; i++) {
+                    this._fail[i].apply(null, arguments);
+                }
+
+                this._fail = undefined;
+                this._rejected = false;
+                this._arguments = undefined;
+            } else {
+                this._rejected = true;
+                this._arguments = arguments;
+            }
+        },
+
+        promise: function () {
+            /// <summary>Returns a version of this object that has only the read-only methods available.</summary>
+            /// <returns>An object with only the promise object.</returns>
+
+            var result = {};
+            result.then = forwardCall(this, "then", result);
+            return result;
+        }
+    };
+
+    var createDeferred = function () {
+        /// <summary>Creates a deferred object.</summary>
+        /// <returns type="DjsDeferred">
+        /// A new deferred object. If jQuery is installed, then a jQuery
+        /// Deferred object is returned, which provides a superset of features.
+        /// </returns>
+
+        if (window.jQuery && window.jQuery.Deferred) {
+            return new window.jQuery.Deferred();
+        } else {
+            return new DjsDeferred();
+        }
+    };
+
+
+
+
+    var dataItemTypeName = function (value, metadata) {
+        /// <summary>Gets the type name of a data item value that belongs to a feed, an entry, a complex type property, or a collection property.</summary>
+        /// <param name="value">Value of the data item from which the type name is going to be retrieved.</param>
+        /// <param name="metadata" type="object" optional="true">Object containing metadata about the data tiem.</param>
+        /// <remarks>
+        ///    This function will first try to get the type name from the data item's value itself if it is an object with a __metadata property; otherwise
+        ///    it will try to recover it from the metadata.  If both attempts fail, it will return null.
+        /// </remarks>
+        /// <returns type="String">Data item type name; null if the type name cannot be found within the value or the metadata</returns>
+
+        var valueTypeName = ((value && value.__metadata) || {}).type;
+        return valueTypeName || (metadata ? metadata.type : null);
+    };
+
+    var EDM = "Edm.";
+    var EDM_BINARY = EDM + "Binary";
+    var EDM_BOOLEAN = EDM + "Boolean";
+    var EDM_BYTE = EDM + "Byte";
+    var EDM_DATETIME = EDM + "DateTime";
+    var EDM_DATETIMEOFFSET = EDM + "DateTimeOffset";
+    var EDM_DECIMAL = EDM + "Decimal";
+    var EDM_DOUBLE = EDM + "Double";
+    var EDM_GUID = EDM + "Guid";
+    var EDM_INT16 = EDM + "Int16";
+    var EDM_INT32 = EDM + "Int32";
+    var EDM_INT64 = EDM + "Int64";
+    var EDM_SBYTE = EDM + "SByte";
+    var EDM_SINGLE = EDM + "Single";
+    var EDM_STRING = EDM + "String";
+    var EDM_TIME = EDM + "Time";
+
+    var EDM_GEOGRAPHY = EDM + "Geography";
+    var EDM_GEOGRAPHY_POINT = EDM_GEOGRAPHY + "Point";
+    var EDM_GEOGRAPHY_LINESTRING = EDM_GEOGRAPHY + "LineString";
+    var EDM_GEOGRAPHY_POLYGON = EDM_GEOGRAPHY + "Polygon";
+    var EDM_GEOGRAPHY_COLLECTION = EDM_GEOGRAPHY + "Collection";
+    var EDM_GEOGRAPHY_MULTIPOLYGON = EDM_GEOGRAPHY + "MultiPolygon";
+    var EDM_GEOGRAPHY_MULTILINESTRING = EDM_GEOGRAPHY + "MultiLineString";
+    var EDM_GEOGRAPHY_MULTIPOINT = EDM_GEOGRAPHY + "MultiPoint";
+
+    var EDM_GEOMETRY = EDM + "Geometry";
+    var EDM_GEOMETRY_POINT = EDM_GEOMETRY + "Point";
+    var EDM_GEOMETRY_LINESTRING = EDM_GEOMETRY + "LineString";
+    var EDM_GEOMETRY_POLYGON = EDM_GEOMETRY + "Polygon";
+    var EDM_GEOMETRY_COLLECTION = EDM_GEOMETRY + "Collection";
+    var EDM_GEOMETRY_MULTIPOLYGON = EDM_GEOMETRY + "MultiPolygon";
+    var EDM_GEOMETRY_MULTILINESTRING = EDM_GEOMETRY + "MultiLineString";
+    var EDM_GEOMETRY_MULTIPOINT = EDM_GEOMETRY + "MultiPoint";
+
+    var GEOJSON_POINT = "Point";
+    var GEOJSON_LINESTRING = "LineString";
+    var GEOJSON_POLYGON = "Polygon";
+    var GEOJSON_MULTIPOINT = "MultiPoint";
+    var GEOJSON_MULTILINESTRING = "MultiLineString";
+    var GEOJSON_MULTIPOLYGON = "MultiPolygon";
+    var GEOJSON_GEOMETRYCOLLECTION = "GeometryCollection";
+
+    var primitiveEdmTypes = [
+        EDM_STRING,
+        EDM_INT32,
+        EDM_INT64,
+        EDM_BOOLEAN,
+        EDM_DOUBLE,
+        EDM_SINGLE,
+        EDM_DATETIME,
+        EDM_DATETIMEOFFSET,
+        EDM_TIME,
+        EDM_DECIMAL,
+        EDM_GUID,
+        EDM_BYTE,
+        EDM_INT16,
+        EDM_SBYTE,
+        EDM_BINARY
+    ];
+
+    var geometryEdmTypes = [
+        EDM_GEOMETRY,
+        EDM_GEOMETRY_POINT,
+        EDM_GEOMETRY_LINESTRING,
+        EDM_GEOMETRY_POLYGON,
+        EDM_GEOMETRY_COLLECTION,
+        EDM_GEOMETRY_MULTIPOLYGON,
+        EDM_GEOMETRY_MULTILINESTRING,
+        EDM_GEOMETRY_MULTIPOINT
+    ];
+
+    var geographyEdmTypes = [
+        EDM_GEOGRAPHY,
+        EDM_GEOGRAPHY_POINT,
+        EDM_GEOGRAPHY_LINESTRING,
+        EDM_GEOGRAPHY_POLYGON,
+        EDM_GEOGRAPHY_COLLECTION,
+        EDM_GEOGRAPHY_MULTIPOLYGON,
+        EDM_GEOGRAPHY_MULTILINESTRING,
+        EDM_GEOGRAPHY_MULTIPOINT
+    ];
+
+    var forEachSchema = function (metadata, callback) {
+        /// <summary>Invokes a function once per schema in metadata.</summary>
+        /// <param name="metadata">Metadata store; one of edmx, schema, or an array of any of them.</param>
+        /// <param name="callback" type="Function">Callback function to invoke once per schema.</param>
+        /// <returns>
+        /// The first truthy value to be returned from the callback; null or the last falsy value otherwise.
+        /// </returns>
+
+        if (!metadata) {
+            return null;
+        }
+
+        if (isArray(metadata)) {
+            var i, len, result;
+            for (i = 0, len = metadata.length; i < len; i++) {
+                result = forEachSchema(metadata[i], callback);
+                if (result) {
+                    return result;
+                }
+            }
+
+            return null;
+        } else {
+            if (metadata.dataServices) {
+                return forEachSchema(metadata.dataServices.schema, callback);
+            }
+
+            return callback(metadata);
+        }
+    };
+
+    var formatMilliseconds = function (ms, ns) {
+        /// <summary>Formats a millisecond and a nanosecond value into a single string.</summary>
+        /// <param name="ms" type="Number" mayBeNull="false">Number of milliseconds to format.</param>
+        /// <param name="ns" type="Number" mayBeNull="false">Number of nanoseconds to format.</param>
+        /// <returns type="String">Formatted text.</returns>
+        /// <remarks>If the value is already as string it's returned as-is.</remarks>
+
+        // Avoid generating milliseconds if not necessary.
+        if (ms === 0) {
+            ms = "";
+        } else {
+            ms = "." + formatNumberWidth(ms.toString(), 3);
+        }
+        if (ns > 0) {
+            if (ms === "") {
+                ms = ".000";
+            }
+            ms += formatNumberWidth(ns.toString(), 4);
+        }
+        return ms;
+    };
+
+    var formatDateTimeOffset = function (value) {
+        /// <summary>Formats a DateTime or DateTimeOffset value a string.</summary>
+        /// <param name="value" type="Date" mayBeNull="false">Value to format.</param>
+        /// <returns type="String">Formatted text.</returns>
+        /// <remarks>If the value is already as string it's returned as-is.</remarks>
+
+        if (typeof value === "string") {
+            return value;
+        }
+
+        var hasOffset = isDateTimeOffset(value);
+        var offset = getCanonicalTimezone(value.__offset);
+        if (hasOffset && offset !== "Z") {
+            // We're about to change the value, so make a copy.
+            value = new Date(value.valueOf());
+
+            var timezone = parseTimezone(offset);
+            var hours = value.getUTCHours() + (timezone.d * timezone.h);
+            var minutes = value.getUTCMinutes() + (timezone.d * timezone.m);
+
+            value.setUTCHours(hours, minutes);
+        } else if (!hasOffset) {
+            // Don't suffix a 'Z' for Edm.DateTime values.
+            offset = "";
+        }
+
+        var year = value.getUTCFullYear();
+        var month = value.getUTCMonth() + 1;
+        var sign = "";
+        if (year <= 0) {
+            year = -(year - 1);
+            sign = "-";
+        }
+
+        var ms = formatMilliseconds(value.getUTCMilliseconds(), value.__ns);
+
+        return sign +
+            formatNumberWidth(year, 4) + "-" +
+            formatNumberWidth(month, 2) + "-" +
+            formatNumberWidth(value.getUTCDate(), 2) + "T" +
+            formatNumberWidth(value.getUTCHours(), 2) + ":" +
+            formatNumberWidth(value.getUTCMinutes(), 2) + ":" +
+            formatNumberWidth(value.getUTCSeconds(), 2) +
+            ms + offset;
+    };
+
+    var formatDuration = function (value) {
+        /// <summary>Converts a duration to a string in xsd:duration format.</summary>
+        /// <param name="value" type="Object">Object with ms and __edmType properties.</param>
+        /// <returns type="String">String representation of the time object in xsd:duration format.</returns>
+
+        var ms = value.ms;
+
+        var sign = "";
+        if (ms < 0) {
+            sign = "-";
+            ms = -ms;
+        }
+
+        var days = Math.floor(ms / 86400000);
+        ms -= 86400000 * days;
+        var hours = Math.floor(ms / 3600000);
+        ms -= 3600000 * hours;
+        var minutes = Math.floor(ms / 60000);
+        ms -= 60000 * minutes;
+        var seconds = Math.floor(ms / 1000);
+        ms -= seconds * 1000;
+
+        return sign + "P" +
+               formatNumberWidth(days, 2) + "DT" +
+               formatNumberWidth(hours, 2) + "H" +
+               formatNumberWidth(minutes, 2) + "M" +
+               formatNumberWidth(seconds, 2) +
+               formatMilliseconds(ms, value.ns) + "S";
+    };
+
+    var formatNumberWidth = function (value, width, append) {
+        /// <summary>Formats the specified value to the given width.</summary>
+        /// <param name="value" type="Number">Number to format (non-negative).</param>
+        /// <param name="width" type="Number">Minimum width for number.</param>
+        /// <param name="append" type="Boolean">Flag indicating if the value is padded at the beginning (false) or at the end (true).</param>
+        /// <returns type="String">Text representation.</returns>
+        var result = value.toString(10);
+        while (result.length < width) {
+            if (append) {
+                result += "0";
+            } else {
+                result = "0" + result;
+            }
+        }
+
+        return result;
+    };
+
+    var getCanonicalTimezone = function (timezone) {
+        /// <summary>Gets the canonical timezone representation.</summary>
+        /// <param name="timezone" type="String">Timezone representation.</param>
+        /// <returns type="String">An 'Z' string if the timezone is absent or 0; the timezone otherwise.</returns>
+
+        return (!timezone || timezone === "Z" || timezone === "+00:00" || timezone === "-00:00") ? "Z" : timezone;
+    };
+
+    var getCollectionType = function (typeName) {
+        /// <summary>Gets the type of a collection type name.</summary>
+        /// <param name="typeName" type="String">Type name of the collection.</param>
+        /// <returns type="String">Type of the collection; null if the type name is not a collection type.</returns>
+
+        if (typeof typeName === "string") {
+            var end = typeName.indexOf(")", 10);
+            if (typeName.indexOf("Collection(") === 0 && end > 0) {
+                return typeName.substring(11, end);
+            }
+        }
+        return null;
+    };
+
+    var invokeRequest = function (request, success, error, handler, httpClient, context) {
+        /// <summary>Sends a request containing OData payload to a server.</summary>
+        /// <param name="request">Object that represents the request to be sent..</param>
+        /// <param name="success">Callback for a successful read operation.</param>
+        /// <param name="error">Callback for handling errors.</param>
+        /// <param name="handler">Handler for data serialization.</param>
+        /// <param name="httpClient">HTTP client layer.</param>
+        /// <param name="context">Context used for processing the request</param>
+
+        return httpClient.request(request, function (response) {
+            try {
+                if (response.headers) {
+                    normalizeHeaders(response.headers);
+                }
+
+                if (response.data === undefined && response.statusCode !== 204) {
+                    handler.read(response, context);
+                }
+            } catch (err) {
+                if (err.request === undefined) {
+                    err.request = request;
+                }
+                if (err.response === undefined) {
+                    err.response = response;
+                }
+                error(err);
+                return;
+            }
+
+            success(response.data, response);
+        }, error);
+    };
+
+    var isBatch = function (value) {
+        /// <summary>Tests whether a value is a batch object in the library's internal representation.</summary>
+        /// <param name="value">Value to test.</param>
+        /// <returns type="Boolean">True is the value is a batch object; false otherwise.</returns>
+
+        return isComplex(value) && isArray(value.__batchRequests);
+    };
+
+    // Regular expression used for testing and parsing for a collection type.
+    var collectionTypeRE = /Collection\((.*)\)/;
+
+    var isCollection = function (value, typeName) {
+        /// <summary>Tests whether a value is a collection value in the library's internal representation.</summary>
+        /// <param name="value">Value to test.</param>
+        /// <param name="typeName" type="Sting">Type name of the value. This is used to disambiguate from a collection property value.</param>
+        /// <returns type="Boolean">True is the value is a feed value; false otherwise.</returns>
+
+        var colData = value && value.results || value;
+        return !!colData &&
+            (isCollectionType(typeName)) ||
+            (!typeName && isArray(colData) && !isComplex(colData[0]));
+    };
+
+    var isCollectionType = function (typeName) {
+        /// <summary>Checks whether the specified type name is a collection type.</summary>
+        /// <param name="typeName" type="String">Name of type to check.</param>
+        /// <returns type="Boolean">True if the type is the name of a collection type; false otherwise.</returns>
+        return collectionTypeRE.test(typeName);
+    };
+
+    var isComplex = function (value) {
+        /// <summary>Tests whether a value is a complex type value in the library's internal representation.</summary>
+        /// <param name="value">Value to test.</param>
+        /// <returns type="Boolean">True is the value is a complex type value; false otherwise.</returns>
+
+        return !!value &&
+            isObject(value) &&
+            !isArray(value) &&
+            !isDate(value);
+    };
+
+    var isDateTimeOffset = function (value) {
+        /// <summary>Checks whether a Date object is DateTimeOffset value</summary>
+        /// <param name="value" type="Date" mayBeNull="false">Value to check.</param>
+        /// <returns type="Boolean">true if the value is a DateTimeOffset, false otherwise.</returns>
+        return (value.__edmType === "Edm.DateTimeOffset" || (!value.__edmType && value.__offset));
+    };
+
+    var isDeferred = function (value) {
+        /// <summary>Tests whether a value is a deferred navigation property in the library's internal representation.</summary>
+        /// <param name="value">Value to test.</param>
+        /// <returns type="Boolean">True is the value is a deferred navigation property; false otherwise.</returns>
+
+        if (!value && !isComplex(value)) {
+            return false;
+        }
+        var metadata = value.__metadata || {};
+        var deferred = value.__deferred || {};
+        return !metadata.type && !!deferred.uri;
+    };
+
+    var isEntry = function (value) {
+        /// <summary>Tests whether a value is an entry object in the library's internal representation.</summary>
+        /// <param name="value">Value to test.</param>
+        /// <returns type="Boolean">True is the value is an entry object; false otherwise.</returns>
+
+        return isComplex(value) && value.__metadata && "uri" in value.__metadata;
+    };
+
+    var isFeed = function (value, typeName) {
+        /// <summary>Tests whether a value is a feed value in the library's internal representation.</summary>
+        /// <param name="value">Value to test.</param>
+        /// <param name="typeName" type="Sting">Type name of the value. This is used to disambiguate from a collection property value.</param>
+        /// <returns type="Boolean">True is the value is a feed value; false otherwise.</returns>
+
+        var feedData = value && value.results || value;
+        return isArray(feedData) && (
+            (!isCollectionType(typeName)) &&
+            (isComplex(feedData[0]))
+        );
+    };
+
+    var isGeographyEdmType = function (typeName) {
+        /// <summary>Checks whether the specified type name is a geography EDM type.</summary>
+        /// <param name="typeName" type="String">Name of type to check.</param>
+        /// <returns type="Boolean">True if the type is a geography EDM type; false otherwise.</returns>
+
+        return contains(geographyEdmTypes, typeName);
+    };
+
+    var isGeometryEdmType = function (typeName) {
+        /// <summary>Checks whether the specified type name is a geometry EDM type.</summary>
+        /// <param name="typeName" type="String">Name of type to check.</param>
+        /// <returns type="Boolean">True if the type is a geometry EDM type; false otherwise.</returns>
+
+        return contains(geometryEdmTypes, typeName);
+    };
+
+    var isNamedStream = function (value) {
+        /// <summary>Tests whether a value is a named stream value in the library's internal representation.</summary>
+        /// <param name="value">Value to test.</param>
+        /// <returns type="Boolean">True is the value is a named stream; false otherwise.</returns>
+
+        if (!value && !isComplex(value)) {
+            return false;
+        }
+        var metadata = value.__metadata;
+        var mediaResource = value.__mediaresource;
+        return !metadata && !!mediaResource && !!mediaResource.media_src;
+    };
+
+    var isPrimitive = function (value) {
+        /// <summary>Tests whether a value is a primitive type value in the library's internal representation.</summary>
+        /// <param name="value">Value to test.</param>
+        /// <remarks>
+        ///    Date objects are considered primitive types by the library.
+        /// </remarks>
+        /// <returns type="Boolean">True is the value is a primitive type value.</returns>
+
+        return isDate(value) ||
+            typeof value === "string" ||
+            typeof value === "number" ||
+            typeof value === "boolean";
+    };
+
+    var isPrimitiveEdmType = function (typeName) {
+        /// <summary>Checks whether the specified type name is a primitive EDM type.</summary>
+        /// <param name="typeName" type="String">Name of type to check.</param>
+        /// <returns type="Boolean">True if the type is a primitive EDM type; false otherwise.</returns>
+
+        return contains(primitiveEdmTypes, typeName);
+    };
+
+    var navigationPropertyKind = function (value, propertyModel) {
+        /// <summary>Gets the kind of a navigation property value.</summary>
+        /// <param name="value">Value of the navigation property.</param>
+        /// <param name="propertyModel" type="Object" optional="true">
+        ///     Object that describes the navigation property in an OData conceptual schema.
+        /// </param>
+        /// <remarks>
+        ///     The returned string is as follows
+        /// </remarks>
+        /// <returns type="String">String value describing the kind of the navigation property; null if the kind cannot be determined.</returns>
+
+        if (isDeferred(value)) {
+            return "deferred";
+        }
+        if (isEntry(value)) {
+            return "entry";
+        }
+        if (isFeed(value)) {
+            return "feed";
+        }
+        if (propertyModel && propertyModel.relationship) {
+            if (value === null || value === undefined || !isFeed(value)) {
+                return "entry";
+            }
+            return "feed";
+        }
+        return null;
+    };
+
+    var lookupProperty = function (properties, name) {
+        /// <summary>Looks up a property by name.</summary>
+        /// <param name="properties" type="Array" mayBeNull="true">Array of property objects as per EDM metadata.</param>
+        /// <param name="name" type="String">Name to look for.</param>
+        /// <returns type="Object">The property object; null if not found.</returns>
+
+        return find(properties, function (property) {
+            return property.name === name;
+        });
+    };
+
+    var lookupInMetadata = function (name, metadata, kind) {
+        /// <summary>Looks up a type object by name.</summary>
+        /// <param name="name" type="String">Name, possibly null or empty.</param>
+        /// <param name="metadata">Metadata store; one of edmx, schema, or an array of any of them.</param>
+        /// <param name="kind" type="String">Kind of object to look for as per EDM metadata.</param>
+        /// <returns>An type description if the name is found; null otherwise.</returns>
+
+        return (name) ? forEachSchema(metadata, function (schema) {
+            return lookupInSchema(name, schema, kind);
+        }) : null;
+    };
+
+    var lookupEntitySet = function (entitySets, name) {
+        /// <summary>Looks up a entity set by name.</summary>
+        /// <param name="properties" type="Array" mayBeNull="true">Array of entity set objects as per EDM metadata.</param>
+        /// <param name="name" type="String">Name to look for.</param>
+        /// <returns type="Object">The entity set object; null if not found.</returns>
+
+        return find(entitySets, function (entitySet) {
+            return entitySet.name === name;
+        });
+    };
+
+    var lookupComplexType = function (name, metadata) {
+        /// <summary>Looks up a complex type object by name.</summary>
+        /// <param name="name" type="String">Name, possibly null or empty.</param>
+        /// <param name="metadata">Metadata store; one of edmx, schema, or an array of any of them.</param>
+        /// <returns>A complex type description if the name is found; null otherwise.</returns>
+
+        return lookupInMetadata(name, metadata, "complexType");
+    };
+
+    var lookupEntityType = function (name, metadata) {
+        /// <summary>Looks up an entity type object by name.</summary>
+        /// <param name="name" type="String">Name, possibly null or empty.</param>
+        /// <param name="metadata">Metadata store; one of edmx, schema, or an array of any of them.</param>
+        /// <returns>An entity type description if the name is found; null otherwise.</returns>
+
+        return lookupInMetadata(name, metadata, "entityType");
+    };
+
+    var lookupDefaultEntityContainer = function (metadata) {
+        /// <summary>Looks up an</summary>
+        /// <param name="name" type="String">Name, possibly null or empty.</param>
+        /// <param name="metadata">Metadata store; one of edmx, schema, or an array of any of them.</param>
+        /// <returns>An entity container description if the name is found; null otherwise.</returns>
+
+        return forEachSchema(metadata, function (schema) {
+            return find(schema.entityContainer, function (container) {
+                return parseBool(container.isDefaultEntityContainer);
+            });
+        });
+    };
+
+    var lookupEntityContainer = function (name, metadata) {
+        /// <summary>Looks up an entity container object by name.</summary>
+        /// <param name="name" type="String">Name, possibly null or empty.</param>
+        /// <param name="metadata">Metadata store; one of edmx, schema, or an array of any of them.</param>
+        /// <returns>An entity container description if the name is found; null otherwise.</returns>
+
+        return lookupInMetadata(name, metadata, "entityContainer");
+    };
+
+    var lookupFunctionImport = function (functionImports, name) {
+        /// <summary>Looks up a function import by name.</summary>
+        /// <param name="properties" type="Array" mayBeNull="true">Array of function import objects as per EDM metadata.</param>
+        /// <param name="name" type="String">Name to look for.</param>
+        /// <returns type="Object">The entity set object; null if not found.</returns>
+
+        return find(functionImports, function (functionImport) {
+            return functionImport.name === name;
+        });
+    };
+
+    var lookupNavigationPropertyType = function (navigationProperty, metadata) {
+        /// <summary>Looks up the target entity type for a navigation property.</summary>
+        /// <param name="navigationProperty" type="Object"></param>
+        /// <param name="metadata" type="Object"></param>
+        /// <returns type="String">The entity type name for the specified property, null if not found.</returns>
+
+        var result = null;
+        if (navigationProperty) {
+            var rel = navigationProperty.relationship;
+            var association = forEachSchema(metadata, function (schema) {
+                // The name should be the namespace qualified name in 'ns'.'type' format.
+                var nameOnly = removeNamespace(schema["namespace"], rel);
+                var associations = schema.association;
+                if (nameOnly && associations) {
+                    var i, len;
+                    for (i = 0, len = associations.length; i < len; i++) {
+                        if (associations[i].name === nameOnly) {
+                            return associations[i];
+                        }
+                    }
+                }
+                return null;
+            });
+
+            if (association) {
+                var end = association.end[0];
+                if (end.role !== navigationProperty.toRole) {
+                    end = association.end[1];
+                    // For metadata to be valid, end.role === navigationProperty.toRole now.
+                }
+                result = end.type;
+            }
+        }
+        return result;
+    };
+
+    var lookupNavigationPropertyEntitySet = function (navigationProperty, sourceEntitySetName, metadata) {
+        /// <summary>Looks up the target entityset name for a navigation property.</summary>
+        /// <param name="navigationProperty" type="Object"></param>
+        /// <param name="metadata" type="Object"></param>
+        /// <returns type="String">The entityset name for the specified property, null if not found.</returns>
+
+        if (navigationProperty) {
+            var rel = navigationProperty.relationship;
+            var associationSet = forEachSchema(metadata, function (schema) {
+                var containers = schema.entityContainer;
+                for (var i = 0; i < containers.length; i++) {
+                    var associationSets = containers[i].associationSet;
+                    if (associationSets) {
+                        for (var j = 0; j < associationSets.length; j++) {
+                            if (associationSets[j].association == rel) {
+                                return associationSets[j];
+                            }
+                        }
+                    }
+                }
+                return null;
+            });
+            if (associationSet && associationSet.end[0] && associationSet.end[1]) {
+                return (associationSet.end[0].entitySet == sourceEntitySetName) ? associationSet.end[1].entitySet : associationSet.end[0].entitySet;
+            }
+        }
+        return null;
+    };
+
+    var getEntitySetInfo = function (entitySetName, metadata) {
+        /// <summary>Gets the entitySet info, container name and functionImports for an entitySet</summary>
+        /// <param name="navigationProperty" type="Object"></param>
+        /// <param name="metadata" type="Object"></param>
+        /// <returns type="Object">The info about the entitySet.</returns>
+
+        var info = forEachSchema(metadata, function (schema) {
+            var containers = schem

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