Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / fx / src / xsp / System / Web / StringResourceManager.cs / 2 / StringResourceManager.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web { using System; using System.Collections; using System.Text; using System.IO; using System.Runtime.InteropServices; using System.Globalization; using System.Security; using System.Security.Permissions; using Debug=System.Web.Util.Debug; internal class StringResourceManager { internal const int RESOURCE_TYPE = 0xEBB; internal const int RESOURCE_ID = 101; private StringResourceManager() { } internal unsafe static string ResourceToString(IntPtr pv, int offset, int size) { return new String((sbyte *)pv, offset, size, Encoding.UTF8); } internal static SafeStringResource ReadSafeStringResource(Type t) { // At designtime CodeGenDir is null. if (HttpRuntime.CodegenDirInternal != null) { // Module.FullyQualifiedName was changed to (InternalSecurityPermissions.PathDiscovery(HttpRuntime.CodegenDirInternal)).Assert(); } string dllPath = t.Module.FullyQualifiedName; IntPtr hModule = UnsafeNativeMethods.GetModuleHandle(dllPath); if (hModule == IntPtr.Zero) { // GetModuleHandle could fail if the assembly was renamed to .delete. So we fall back to // calling Marshal.GetHINSTANCE, which is more reliable. Ideally, we should always do this // directly, but to limit the risk, we only do it as a fall back ( hModule = Marshal.GetHINSTANCE(t.Module); if (hModule == IntPtr.Zero) { throw new HttpException(SR.GetString(SR.Resource_problem, "GetModuleHandle", HttpException.HResultFromLastError(Marshal.GetLastWin32Error()).ToString(CultureInfo.InvariantCulture))); } } IntPtr hrsrc = UnsafeNativeMethods.FindResource(hModule, (IntPtr)RESOURCE_ID, (IntPtr)RESOURCE_TYPE); if (hrsrc == IntPtr.Zero) { throw new HttpException(SR.GetString(SR.Resource_problem, "FindResource", HttpException.HResultFromLastError(Marshal.GetLastWin32Error()).ToString(CultureInfo.InvariantCulture))); } int resSize = UnsafeNativeMethods.SizeofResource(hModule, hrsrc); IntPtr hglob = UnsafeNativeMethods.LoadResource(hModule, hrsrc); if (hglob == IntPtr.Zero) { throw new HttpException(SR.GetString(SR.Resource_problem, "LoadResource", HttpException.HResultFromLastError(Marshal.GetLastWin32Error()).ToString(CultureInfo.InvariantCulture))); } IntPtr pv = UnsafeNativeMethods.LockResource(hglob); if (pv == IntPtr.Zero) { throw new HttpException(SR.GetString(SR.Resource_problem, "LockResource", HttpException.HResultFromLastError(Marshal.GetLastWin32Error()).ToString(CultureInfo.InvariantCulture))); } // Make sure the end of the resource lies within the module. this can be an issue // if the resource has been hacked with an invalid length (ASURT 145040) if (!UnsafeNativeMethods.IsValidResource(hModule, pv, resSize)) { throw new InvalidOperationException(); } return new SafeStringResource(pv, resSize); } } internal class StringResourceBuilder { private ArrayList _literalStrings = null; private int _offset = 0; internal StringResourceBuilder() { } internal void AddString(string s, out int offset, out int size, out bool fAsciiOnly) { if (_literalStrings == null) _literalStrings = new ArrayList(); _literalStrings.Add(s); // Compute the UTF8 length of the string size = Encoding.UTF8.GetByteCount(s); // Check if the string contains only 7-bit ascii characters fAsciiOnly = (size == s.Length); offset = _offset; // Update the offset in the literal string memory block _offset += size; } internal bool HasStrings { get { return _literalStrings != null; } } internal void CreateResourceFile(string resFileName) { using (Stream strm = new FileStream(resFileName, FileMode.Create)) { Encoding encoding = Encoding.UTF8; BinaryWriter writer = new BinaryWriter(strm, encoding); writer.Write(0x00000000); writer.Write(0x00000020); writer.Write(0x0000FFFF); writer.Write(0x0000FFFF); writer.Write(0x00000000); writer.Write(0x00000000); writer.Write(0x00000000); writer.Write(0x00000000); // Resource size writer.Write(_offset); // Resource header size writer.Write(0x00000020); // Type writer.Write(StringResourceManager.RESOURCE_TYPE << 16 | 0xFFFF); // Resource ID writer.Write(StringResourceManager.RESOURCE_ID << 16 | 0xFFFF); writer.Write(0x00000000); writer.Write(0x00000000); writer.Write(0x00000000); writer.Write(0x00000000); #if DEBUG long startPos = strm.Position; #endif foreach (string s in _literalStrings) { byte[] data = encoding.GetBytes(s); writer.Write(data); } // Make sure the stream has the size we expect #if DEBUG Debug.Assert(strm.Position-startPos == _offset, "strm.Position-startPos == _offset"); #endif } } } // Used to wrap an IntPtr in a way that it can safely be handed out to // untrusted code (ASURT 73586) internal class SafeStringResource { private IntPtr _stringResourcePointer; private int _resourceSize; internal SafeStringResource(IntPtr stringResourcePointer, int resourceSize) { _stringResourcePointer = stringResourcePointer; _resourceSize = resourceSize; } internal IntPtr StringResourcePointer { get { return _stringResourcePointer; } } internal int ResourceSize { get { return _resourceSize; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- UserPreferenceChangedEventArgs.cs
- DataControlFieldCell.cs
- ConstraintStruct.cs
- SoapAttributes.cs
- WebControl.cs
- ObjectListShowCommandsEventArgs.cs
- InvalidPrinterException.cs
- FormsAuthenticationTicket.cs
- DeferredBinaryDeserializerExtension.cs
- PackageProperties.cs
- Authorization.cs
- CapiNative.cs
- MatcherBuilder.cs
- DragDrop.cs
- ListQueryResults.cs
- DataColumn.cs
- SimpleWebHandlerParser.cs
- XmlCharType.cs
- RequestCacheManager.cs
- SHA256Managed.cs
- UnsettableComboBox.cs
- MenuRenderer.cs
- _NetworkingPerfCounters.cs
- UriParserTemplates.cs
- DrawingGroup.cs
- Evidence.cs
- TreeNodeBinding.cs
- NaturalLanguageHyphenator.cs
- ValueConversionAttribute.cs
- DescendentsWalker.cs
- FixedSOMPageElement.cs
- ConstNode.cs
- HeaderUtility.cs
- KnownTypesProvider.cs
- AuthorizationRule.cs
- DataGridCaption.cs
- DesignerGeometryHelper.cs
- ECDiffieHellmanPublicKey.cs
- Triplet.cs
- Peer.cs
- StateDesignerConnector.cs
- DataGridViewControlCollection.cs
- FrameDimension.cs
- Update.cs
- XmlKeywords.cs
- TreeNode.cs
- ArithmeticException.cs
- PolicyVersionConverter.cs
- FamilyMapCollection.cs
- KnownBoxes.cs
- SqlHelper.cs
- DataGridViewCellStyleEditor.cs
- Style.cs
- DataRecord.cs
- DispatcherTimer.cs
- WebPartManagerDesigner.cs
- LogLogRecordHeader.cs
- XmlSortKey.cs
- TextPattern.cs
- ErasingStroke.cs
- MouseButton.cs
- ObjectIDGenerator.cs
- SafeFileMappingHandle.cs
- ZipIOCentralDirectoryFileHeader.cs
- ProcessHost.cs
- HtmlShim.cs
- Separator.cs
- Transform.cs
- CodeFieldReferenceExpression.cs
- ResourceContainer.cs
- AdornerHitTestResult.cs
- TypedReference.cs
- WmlLabelAdapter.cs
- PackWebRequest.cs
- SocketAddress.cs
- DirectoryObjectSecurity.cs
- SqlInternalConnectionSmi.cs
- SqlBulkCopy.cs
- SemanticResolver.cs
- ProcessHost.cs
- SimpleFileLog.cs
- ToolStripItemImageRenderEventArgs.cs
- Stack.cs
- HttpRuntimeSection.cs
- DbConnectionFactory.cs
- SQLString.cs
- TlsSspiNegotiation.cs
- AllowedAudienceUriElement.cs
- FlowDocumentPage.cs
- SqlDataReaderSmi.cs
- JournalEntry.cs
- IArgumentProvider.cs
- StreamInfo.cs
- SingleConverter.cs
- GlyphElement.cs
- EventRoute.cs
- Helper.cs
- WindowsGraphicsCacheManager.cs
- ClickablePoint.cs
- ClientScriptItem.cs