Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Framework / System / Windows / Markup / XAMLParseException.cs / 2 / XAMLParseException.cs
//---------------------------------------------------------------------------- // // File: XamlParseException.cs // // Description: // Parser exceptions // // // History: // 6/06/01: rogerg Created // 5/28/03: [....] Ported to wcp // // Copyright (C) 2003 by Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using System; using System.Xml; using System.IO; using System.Collections; using System.Diagnostics; using System.Reflection; using System.Text; using System.Globalization; using System.ComponentModel; using System.Security; using System.Runtime.Serialization; using System.Security.Permissions; using MS.Utility; using MS.Internal; #if PBTCOMPILER namespace MS.Internal.Markup #else using System.Windows; using System.Windows.Threading; namespace System.Windows.Markup #endif { ///Exception class for parser specific exceptions [Serializable] #if PBTCOMPILER internal class XamlParseException : SystemException #else public class XamlParseException : SystemException #endif { #region Public #region Constructors ////// Constructor /// public XamlParseException() : base () { } ////// Constructor /// /// /// Exception message /// public XamlParseException(string message) : base (message) { } ////// Constructor /// ///Exception message ///exception occured public XamlParseException(string message, Exception innerException) : base(message, innerException) { } ////// Constructor /// /// /// Exception message /// /// /// lineNumber the exception occured at /// /// /// LinePosition the Exception occured at. /// ///public XamlParseException(string message,int lineNumber, int linePosition) : this (message) { _lineNumber = lineNumber; _linePosition = linePosition; } /// /// Constructor /// /// /// Exception message /// /// /// lineNumber the exception occured at /// /// /// LinePosition the Exception occured at. /// /// /// original Exception that was thrown. /// public XamlParseException(string message,int lineNumber, int linePosition,Exception innerException) : this(message, innerException) { _lineNumber = lineNumber; _linePosition = linePosition; } #endregion Constructors #region Properties ////// LineNumber that the exception occured on. /// public int LineNumber { get { return _lineNumber; } } ////// LinePosition that the exception occured on. /// public int LinePosition { get { return _linePosition; } } ////// If this is set, it indicates that the Xaml exception occurred /// in the context of a dictionary item, and this was the Xaml Key /// value of that item. /// public object KeyContext { #if PBTCOMPILER set { _keyContext= value; } #else get { return _keyContext; } internal set { _keyContext= value; } #endif } ////// If this is set, it indicates that the Xaml exception occurred /// in the context of an object with a Xaml Uid set, and this was the /// value of that Uid. /// public string UidContext { #if PBTCOMPILER set { _uidContext = value; } #else get { return _uidContext; } internal set { _uidContext = value; } #endif } ////// If this is set, it indicates that the Xaml exception occurred /// in the context of an object with a Xaml Name set, and this was the /// value of that name. /// public string NameContext { #if PBTCOMPILER set { _nameContext = value; } #else get { return _nameContext; } internal set { _nameContext = value; } #endif } ////// The BaseUri in effect at the point of the exception. /// public Uri BaseUri { #if PBTCOMPILER set { _baseUri = value; } #else get { return _baseUri; } internal set { _baseUri = value; } #endif } #endregion Properties #endregion Public #region Private #region Serialization ////// Internal constructor used for serialization when marshalling an /// exception of this type across and AppDomain or machine boundary. /// /// /// Contains all the information needed to serialize or deserialize /// the object. /// /// /// Describes the source and destination of a given serialized stream, /// as well as a means for serialization to retain that context and an /// additional caller-defined context. /// //CASRemoval:[SecurityPermissionAttribute(SecurityAction.Demand,SerializationFormatter=true)] protected XamlParseException( SerializationInfo info, StreamingContext context ) : base(info, context) { _lineNumber = info.GetInt32("Line"); _linePosition = info.GetInt32("Position"); } ////// Populates a SerializationInfo with the data needed to serialize the target object. /// /// /// The SerializationInfo to populate with data. /// /// /// The destination for this serialization. /// /// ////// Critical: calls Exception.GetObjectData which LinkDemands /// TreatAsSafe: We make the corresponding demand here, to ensure that it becomes a full /// demand. /// [SecurityCritical, SecurityTreatAsSafe] #if ! PBTCOMPILER [SecurityPermissionAttribute(SecurityAction.Demand, Flags = SecurityPermissionFlag.SerializationFormatter)] #else [SecurityPermissionAttribute(SecurityAction.Demand,SerializationFormatter=true)] #endif public override void GetObjectData(SerializationInfo info, StreamingContext context) { base.GetObjectData(info, context); info.AddValue("Line", (Int32)_lineNumber); info.AddValue("Position", (Int32)_linePosition); } #endregion Serialization #region internal helper methods #if ! PBTCOMPILER // // Return the relative file path for current markup stream or file. // If the stream comes from assembly resource with .baml extension, this method // still reports .xaml. // The purpose of this method is to help developer to debug a failed baml stream. // internal static string GetMarkupFilePath(Uri resourceUri) { string bamlFilePath = string.Empty; string xamlFilePath = string.Empty; if (resourceUri != null) { if (resourceUri.IsAbsoluteUri) { bamlFilePath = resourceUri.GetComponents(UriComponents.Path, UriFormat.Unescaped); } else { bamlFilePath = resourceUri.OriginalString; } // Replace the .baml with .xaml file extension. xamlFilePath = bamlFilePath.Replace(BamlExt, XamlExt); // Confirm the result has a .xaml file extension. if (-1 == xamlFilePath.LastIndexOf(XamlExt, StringComparison.Ordinal)) xamlFilePath = string.Empty; } return xamlFilePath; } // // Get context information at the point of the exception, such as // names and Uids. // internal static void GetObjectContext( BamlRecordReader bamlRecordReader, XamlObjectIds currentXamlObjectIds, XamlObjectIds contextXamlObjectIds, out Type objectType) { object parentObject = null; GetObjectContext( bamlRecordReader, currentXamlObjectIds, contextXamlObjectIds, out objectType, out parentObject ); } internal static void GetObjectContext( BamlRecordReader bamlRecordReader, out object parentObject ) { XamlObjectIds currentXamlObjectIds = new XamlObjectIds(); Type objectType; GetObjectContext( bamlRecordReader, currentXamlObjectIds, null, out objectType, out parentObject ); } internal static void GetObjectContext( BamlRecordReader bamlRecordReader, XamlObjectIds currentXamlObjectIds, XamlObjectIds contextXamlObjectIds, out Type objectType, out object parentObject) { ParserStack contextStack; ReaderContextStackData readerContextStackData; parentObject = null; objectType = null; // We get context from the reader, so there's nothing to do if we don't // have one. if (bamlRecordReader == null) { return; } contextStack = bamlRecordReader.ContextStack; if( contextStack.Count == 0 ) { return; } // Walk the reader's context stack and look for context information // (x:Name, x:Key, and x:Uid). bool currentObjectElementFound = (currentXamlObjectIds == null); // (See below for usage and comment) bool parentObjectElementFound = false; for( int i = contextStack.Count-1; i >= 0; i-- ) { readerContextStackData = contextStack[i] as ReaderContextStackData; // First, see if we can fill in the currentXamlObjectIds. // // The context stack data has entries for both objects and properties // E.g. if we're trying to parse "Foo" under
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