scriptresource(2).axd

用C#实现的一个P2P音视频会议系统

// Name:        MicrosoftAjax.debug.js
// Assembly:    System.Web.Extensions
// Version:     3.5.0.0
// FileVersion: 3.5.21022.8
//!-----------------------------------------------------------------------
//! Copyright (C) Microsoft Corporation. All rights reserved.
//!-----------------------------------------------------------------------
//! MicrosoftAjax.js
//! Microsoft AJAX Framework.

// JavaScript Extensions and Type System

 
Function.__typeName = 'Function';
Function.__class = true;

Function.createCallback = function Function$createCallback(method, context) {
    /// <summary locid="M:J#Function.createCallback" />
    /// <param name="method" type="Function"></param>
    /// <param name="context" mayBeNull="true"></param>
    /// <returns type="Function"></returns>
    var e = Function._validateParams(arguments, [
        {name: "method", type: Function},
        {name: "context", mayBeNull: true}
    ]);
    if (e) throw e;

    // The method still makes sense for null context, but not if the context is omitted altogether
    // (omitted context makes the callback equivalent to the method itself, with one more level of indirection).

    return function() {
        var l = arguments.length;
        if (l > 0) {
            // arguments is not a real array, need to build a real one from it so we can add
            var args = [];
            for (var i = 0; i < l; i++) {
                args[i] = arguments[i];
            }
            args[l] = context;
            return method.apply(this, args);
        }
        return method.call(this, context);
    }
}

Function.createDelegate = function Function$createDelegate(instance, method) {
    /// <summary locid="M:J#Function.createDelegate" />
    /// <param name="instance" mayBeNull="true"></param>
    /// <param name="method" type="Function"></param>
    /// <returns type="Function"></returns>
    var e = Function._validateParams(arguments, [
        {name: "instance", mayBeNull: true},
        {name: "method", type: Function}
    ]);
    if (e) throw e;

    // The method still makes some sense with a null instance, in the same way that createCallback still
    // makes sense with a null context.

    return function() {
        return method.apply(instance, arguments);
    }
}

Function.emptyFunction = Function.emptyMethod = function Function$emptyMethod() {
    /// <summary locid="M:J#Function.emptyMethod" />
    if (arguments.length !== 0) throw Error.parameterCount();
}

Function._validateParams = function Function$_validateParams(params, expectedParams) {
    // *DO NOT* triple-slash comment those. The double-slashes here are on purpose.
    // We don't need to document private functions and those will induce infinite loops
    // if the preprocessor generates validation code for these.
    // <summary>
    //     Validates the parameters to a method.
    // </summary>
    // <example>
    //     function foo(anyParam, stringParam, anyArrayParam, stringArrayParam,
    //                  interfaceParam, optionalStringParam) {
    //         #if DEBUG
    //         var e = Function._validateParams(arguments, [
    //             { name: "anyParam" },
    //             { name: "mayBeNullParam", mayBeNull: true },
    //             { name: "stringParam", type: String },
    //             { name: "floatParam", type: Number },
    //             { name: "intParam", type: Number, integer: true },
    //             { name: "domParam", domElement: true },
    //             { name: "anyArrayParam", type: Array },
    //             { name: "mayBeNullArrayParam", type: Array, elementMayBeNull: true },
    //             { name: "stringArrayParam", type: Array, elementType: String },
    //             { name: "intArrayParam", type: Array, elementType: Number, elementInteger: true },
    //             { name: "domElementArrayParam", type: Array, elementDomElement: true },
    //             { name: "interfaceParam", type: Sys.IFoo }
    //             { name: "optionalStringParam", type: String, optional: true }
    //             { name: "stringParamArray", type: String, parameterArray: true }
    //             { name: "mayBeNullParamArray", parameterArray: true, mayBeNull: true }
    //         ]);
    //         if (e) throw e;
    //         #endif
    //     }
    // </example>
    // <param name="params" type="Array">Array of parameter values passed to the method.</param>
    // <param name="expectedParams" type="Array" optional="true">Array of JSON objects describing the expected parameters.</param>

    var e;

    e = Function._validateParameterCount(params, expectedParams);
    if (e) {
        e.popStackFrame();
        return e;
    }

    for (var i=0; i < params.length; i++) {
        // If there are more params than expectedParams, then the last expectedParam
        // must be a paramArray.  Use the last expectedParam to validate the remaining
        // params.
        var expectedParam = expectedParams[Math.min(i, expectedParams.length - 1)];

        var paramName = expectedParam.name;
        if (expectedParam.parameterArray) {
            // Append index of parameter in parameterArray
            paramName += "[" + (i - expectedParams.length + 1) + "]";
        }

        e = Function._validateParameter(params[i], expectedParam, paramName);
        if (e) {
            e.popStackFrame();
            return e;
        }
    }


    return null;
}

Function._validateParameterCount = function Function$_validateParameterCount(params, expectedParams) {
    var maxParams = expectedParams.length;
    var minParams = 0;
    for (var i=0; i < expectedParams.length; i++) {
        if (expectedParams[i].parameterArray) {
            maxParams = Number.MAX_VALUE;
        }
        else if (!expectedParams[i].optional) {
            minParams++;
        }
    }

    if (params.length < minParams || params.length > maxParams) {
        var e = Error.parameterCount();
        e.popStackFrame();
        return e;
    }

    return null;
}

Function._validateParameter = function Function$_validateParameter(param, expectedParam, paramName) {
    var e;

    var expectedType = expectedParam.type;
    var expectedInteger = !!expectedParam.integer;
    var expectedDomElement = !!expectedParam.domElement;
    var mayBeNull = !!expectedParam.mayBeNull;

    e = Function._validateParameterType(param, expectedType, expectedInteger, expectedDomElement, mayBeNull, paramName);
    if (e) {
        e.popStackFrame();
        return e;
    }

    // If parameter is an array, and not undefined or null, validate the type of its elements
    var expectedElementType = expectedParam.elementType;
    var elementMayBeNull = !!expectedParam.elementMayBeNull;
    if (expectedType === Array && typeof(param) !== "undefined" && param !== null &&
        (expectedElementType || !elementMayBeNull)) {
        var expectedElementInteger = !!expectedParam.elementInteger;
        var expectedElementDomElement = !!expectedParam.elementDomElement;
        for (var i=0; i < param.length; i++) {
            var elem = param[i];
            e = Function._validateParameterType(elem, expectedElementType,
                expectedElementInteger, expectedElementDomElement, elementMayBeNull,
                paramName + "[" + i + "]");
            if (e) {
                e.popStackFrame();
                return e;
            }
        }
    }

    return null;
}

Function._validateParameterType = function Function$_validateParameterType(param, expectedType, expectedInteger, expectedDomElement, mayBeNull, paramName) {
    var e;

    if (typeof(param) === "undefined") {
        if (mayBeNull) {
            return null;
        }
        else {
            e = Error.argumentUndefined(paramName);
            e.popStackFrame();
            return e;
        }
    }

    if (param === null) {
        if (mayBeNull) {
            return null;
        }
        else {
            e = Error.argumentNull(paramName);
            e.popStackFrame();
            return e;
        }
    }

    if (expectedType && expectedType.__enum) {
        if (typeof(param) !== 'number') {
            e = Error.argumentType(paramName, Object.getType(param), expectedType);
            e.popStackFrame();
            return e;
        }
        if ((param % 1) === 0) {
            var values = expectedType.prototype;
            if (!expectedType.__flags || (param === 0)) {
                for (var i in values) {
                    if (values[i] === param) return null;
                }
            }
            else {
                var v = param;
                for (var i in values) {
                    var vali = values[i];
                    if (vali === 0) continue;
                    if ((vali & param) === vali) {
                        v -= vali;
                    }
                    if (v === 0) return null;
                }
            }
        }
        e = Error.argumentOutOfRange(paramName, param, String.format(Sys.Res.enumInvalidValue, param, expectedType.getName()));
        e.popStackFrame();
        return e;
    }

    // Using nodeType to check this is a DOM element for lack of a better test on IE and Safari.
    // This is not entirely foolproof ({nodeType: 1} would seem to be of type Sys.UI.DomElement)
    // but we need something that works cross-browser.
    // Opera and Firefox both have an HTMLElement type of which DOM elements are instances but
    // we're not using it here for consistency.
    // Text nodes are not considered elements.
    if (expectedDomElement) {
        var val;
        if (typeof(param.nodeType) !== 'number') {
            // Windows and documents are considered elements even though they are not strictly speaking.
            // No node type may still be window or document.
            // Try to get the document for the element, revert to param if not found:
            var doc = param.ownerDocument || param.document || param;
            if (doc != param) {
                // The parameter is not the document, but it may be window.
                // Try to get the window for the document:
                var w = doc.defaultView || doc.parentWindow;
                // On Safari 2, defaultView is not the same object as window but they have the same document.
                val = (w != param) && !(w.document && param.document && (w.document === param.document));
            }
            else {
                // doc is equal to param, but we still need to check that it's really a document.
                // Using the body property for lack of a better cross-browser test.
                val = (typeof(doc.body) === 'undefined');
            }
        }
        else {
            // Text nodes have a node type but are not considered DOM elements here.
            val = (param.nodeType === 3);
        }
        if (val) {
            e = Error.argument(paramName, Sys.Res.argumentDomElement);
            e.popStackFrame();
            return e;
        }
    }

    // If there is no expected type, any type is allowed.
    if (expectedType && !expectedType.isInstanceOfType(param)) {
        e = Error.argumentType(paramName, Object.getType(param), expectedType);
        e.popStackFrame();
        return e;
    }

    if (expectedType === Number && expectedInteger) {
        // Modulo operator is 5x faster than Math.round().
        // Modulo returns Number.NaN for Number.NaN, Number.POSITIVE_INFINITY, and Number.NEGATIVE_INFINITY.
        if ((param % 1) !== 0) {
            e = Error.argumentOutOfRange(paramName, param, Sys.Res.argumentInteger);
            e.popStackFrame();
            return e;
        }
    }

    return null;
}
 
Error.__typeName = 'Error';
Error.__class = true;

Error.create = function Error$create(message, errorInfo) {
    /// <summary locid="M:J#Error.create" />
    /// <param name="message" type="String" optional="true" mayBeNull="true"></param>
    /// <param name="errorInfo" optional="true" mayBeNull="true"></param>
    /// <returns type="Error"></returns>
    var e = Function._validateParams(arguments, [
        {name: "message", type: String, mayBeNull: true, optional: true},
        {name: "errorInfo", mayBeNull: true, optional: true}
    ]);
    if (e) throw e;

    // If message string can be converted to a number, IE sets e.message to the number, not the string.
    // Workaround this issue by explicitly setting e.message to the string.
    var e = new Error(message);
    e.message = message;

    if (errorInfo) {
        for (var v in errorInfo) {
            e[v] = errorInfo[v];
        }
    }

    e.popStackFrame();
    return e;
}

// The ArgumentException ctor in .NET has the message *before* paramName.  This
// is inconsistent with all the other Argument*Exception ctors in .NET.
// We feel the paramName is more important than the message, and we want all our
// argument errors to be consistent, so our Error.argument() takes the paramName
// before the message.  This is inconsistent with .NET, but overall we feel
// it is the better design.