Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / xsp / System / Web / Compilation / ObjectFactoryCodeDomTreeGenerator.cs / 1 / ObjectFactoryCodeDomTreeGenerator.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- // This code is used to optimize the instantiation of generated types. namespace System.Web.Compilation { using System; using System.Collections; using System.Reflection; using System.Security.Permissions; using System.Globalization; using System.CodeDom; using System.CodeDom.Compiler; using System.Web.Util; using Util = System.Web.UI.Util; internal delegate object InstantiateObject(); internal class ObjectFactoryCodeDomTreeGenerator { private CodeCompileUnit _codeCompileUnit; private CodeTypeDeclaration _factoryClass; private const string factoryClassNameBase = "FastObjectFactory_"; private const string factoryFullClassNameBase = BaseCodeDomTreeGenerator.internalAspNamespace + "." + factoryClassNameBase; internal ObjectFactoryCodeDomTreeGenerator(string outputAssemblyName) { _codeCompileUnit = new CodeCompileUnit(); CodeNamespace sourceDataNamespace = new CodeNamespace( BaseCodeDomTreeGenerator.internalAspNamespace); _codeCompileUnit.Namespaces.Add(sourceDataNamespace); // Make the class name vary based on the assembly (VSWhidbey 363214) string factoryClassName = factoryClassNameBase + Util.MakeValidTypeNameFromString(outputAssemblyName).ToLower(CultureInfo.InvariantCulture); // Create a single class, in which a method will be added for each // type that needs to be fast created in this assembly _factoryClass = new CodeTypeDeclaration(factoryClassName); // Make the class internal (VSWhidbey 363214) _factoryClass.TypeAttributes &= ~TypeAttributes.Public; // We generate a dummy line pragma, just so it will end with a '#line hidden' // and prevent the following generated code from ever being treated as user // code. We need to use this hack because CodeDOM doesn't allow simply generating // a '#line hidden'. (VSWhidbey 199384) CodeSnippetTypeMember dummySnippet = new CodeSnippetTypeMember(String.Empty); #if !PLATFORM_UNIX /// Unix file system // CORIOLISTODO: Unix file system dummySnippet.LinePragma = new CodeLinePragma(@"c:\\dummy.txt", 1); #else // !PLATFORM_UNIX dummySnippet.LinePragma = new CodeLinePragma(@"/dummy.txt", 1); #endif // !PLATFORM_UNIX _factoryClass.Members.Add(dummySnippet); // Add a private default ctor to make the class non-instantiatable (VSWhidbey 340829) CodeConstructor ctor = new CodeConstructor(); ctor.Attributes |= MemberAttributes.Private; _factoryClass.Members.Add(ctor); sourceDataNamespace.Types.Add(_factoryClass); } internal void AddFactoryMethod(string typeToCreate) { // Generate a simple factory method for this type. e.g. // static object Create_Acme_Foo() { // return new ASP.foo_aspx(); // } CodeMemberMethod method = new CodeMemberMethod(); method.Name = GetCreateMethodNameForType(typeToCreate); method.ReturnType = new CodeTypeReference(typeof(object)); method.Attributes = MemberAttributes.Static; CodeMethodReturnStatement cmrs = new CodeMethodReturnStatement( new CodeObjectCreateExpression(typeToCreate)); method.Statements.Add(cmrs); _factoryClass.Members.Add(method); } private static string GetCreateMethodNameForType(string typeToCreate) { return "Create_" + Util.MakeValidTypeNameFromString(typeToCreate); } internal CodeCompileUnit CodeCompileUnit { get { return _codeCompileUnit; } } // Get the factory delegate for this type // Could be called with user code on the stack, so need to assert here // e.g. This can happen during a Server.Transfer, or a LoadControl. [ReflectionPermission(SecurityAction.Assert, Flags = ReflectionPermissionFlag.MemberAccess)] internal static InstantiateObject GetFastObjectCreationDelegate(Type t) { // Look for the factory class in the same assembly Assembly a = t.Assembly; string shortAssemblyName = Util.GetAssemblyShortName(t.Assembly); shortAssemblyName = shortAssemblyName.ToLower(CultureInfo.InvariantCulture); Type factoryType = a.GetType(factoryFullClassNameBase + Util.MakeValidTypeNameFromString(shortAssemblyName)); if (factoryType == null) return null; string methodName = GetCreateMethodNameForType(t.FullName); try { return (InstantiateObject) Delegate.CreateDelegate( typeof(InstantiateObject), factoryType, methodName); } catch { return null; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- // This code is used to optimize the instantiation of generated types. namespace System.Web.Compilation { using System; using System.Collections; using System.Reflection; using System.Security.Permissions; using System.Globalization; using System.CodeDom; using System.CodeDom.Compiler; using System.Web.Util; using Util = System.Web.UI.Util; internal delegate object InstantiateObject(); internal class ObjectFactoryCodeDomTreeGenerator { private CodeCompileUnit _codeCompileUnit; private CodeTypeDeclaration _factoryClass; private const string factoryClassNameBase = "FastObjectFactory_"; private const string factoryFullClassNameBase = BaseCodeDomTreeGenerator.internalAspNamespace + "." + factoryClassNameBase; internal ObjectFactoryCodeDomTreeGenerator(string outputAssemblyName) { _codeCompileUnit = new CodeCompileUnit(); CodeNamespace sourceDataNamespace = new CodeNamespace( BaseCodeDomTreeGenerator.internalAspNamespace); _codeCompileUnit.Namespaces.Add(sourceDataNamespace); // Make the class name vary based on the assembly (VSWhidbey 363214) string factoryClassName = factoryClassNameBase + Util.MakeValidTypeNameFromString(outputAssemblyName).ToLower(CultureInfo.InvariantCulture); // Create a single class, in which a method will be added for each // type that needs to be fast created in this assembly _factoryClass = new CodeTypeDeclaration(factoryClassName); // Make the class internal (VSWhidbey 363214) _factoryClass.TypeAttributes &= ~TypeAttributes.Public; // We generate a dummy line pragma, just so it will end with a '#line hidden' // and prevent the following generated code from ever being treated as user // code. We need to use this hack because CodeDOM doesn't allow simply generating // a '#line hidden'. (VSWhidbey 199384) CodeSnippetTypeMember dummySnippet = new CodeSnippetTypeMember(String.Empty); #if !PLATFORM_UNIX /// Unix file system // CORIOLISTODO: Unix file system dummySnippet.LinePragma = new CodeLinePragma(@"c:\\dummy.txt", 1); #else // !PLATFORM_UNIX dummySnippet.LinePragma = new CodeLinePragma(@"/dummy.txt", 1); #endif // !PLATFORM_UNIX _factoryClass.Members.Add(dummySnippet); // Add a private default ctor to make the class non-instantiatable (VSWhidbey 340829) CodeConstructor ctor = new CodeConstructor(); ctor.Attributes |= MemberAttributes.Private; _factoryClass.Members.Add(ctor); sourceDataNamespace.Types.Add(_factoryClass); } internal void AddFactoryMethod(string typeToCreate) { // Generate a simple factory method for this type. e.g. // static object Create_Acme_Foo() { // return new ASP.foo_aspx(); // } CodeMemberMethod method = new CodeMemberMethod(); method.Name = GetCreateMethodNameForType(typeToCreate); method.ReturnType = new CodeTypeReference(typeof(object)); method.Attributes = MemberAttributes.Static; CodeMethodReturnStatement cmrs = new CodeMethodReturnStatement( new CodeObjectCreateExpression(typeToCreate)); method.Statements.Add(cmrs); _factoryClass.Members.Add(method); } private static string GetCreateMethodNameForType(string typeToCreate) { return "Create_" + Util.MakeValidTypeNameFromString(typeToCreate); } internal CodeCompileUnit CodeCompileUnit { get { return _codeCompileUnit; } } // Get the factory delegate for this type // Could be called with user code on the stack, so need to assert here // e.g. This can happen during a Server.Transfer, or a LoadControl. [ReflectionPermission(SecurityAction.Assert, Flags = ReflectionPermissionFlag.MemberAccess)] internal static InstantiateObject GetFastObjectCreationDelegate(Type t) { // Look for the factory class in the same assembly Assembly a = t.Assembly; string shortAssemblyName = Util.GetAssemblyShortName(t.Assembly); shortAssemblyName = shortAssemblyName.ToLower(CultureInfo.InvariantCulture); Type factoryType = a.GetType(factoryFullClassNameBase + Util.MakeValidTypeNameFromString(shortAssemblyName)); if (factoryType == null) return null; string methodName = GetCreateMethodNameForType(t.FullName); try { return (InstantiateObject) Delegate.CreateDelegate( typeof(InstantiateObject), factoryType, methodName); } catch { return null; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- GeometryHitTestResult.cs
- MetadataPropertyAttribute.cs
- SerializationTrace.cs
- WebControl.cs
- BinHexDecoder.cs
- InstanceBehavior.cs
- MessagingActivityHelper.cs
- SimpleBitVector32.cs
- Lease.cs
- ControlBuilder.cs
- BufferedOutputStream.cs
- RemotingServices.cs
- AtomMaterializer.cs
- ReachSerializerAsync.cs
- DataGridCell.cs
- XmlUtilWriter.cs
- DataContractSerializerServiceBehavior.cs
- BulletedList.cs
- StreamingContext.cs
- codemethodreferenceexpression.cs
- TabletCollection.cs
- SourceLineInfo.cs
- TraceUtils.cs
- SettingsBase.cs
- ServiceConfigurationTraceRecord.cs
- XsdValidatingReader.cs
- ResolveCompletedEventArgs.cs
- ImageFormat.cs
- DependencyPropertyAttribute.cs
- RoutedEventConverter.cs
- DataReceivedEventArgs.cs
- VariableBinder.cs
- PartitionedStreamMerger.cs
- ListView.cs
- JournalEntryStack.cs
- Comparer.cs
- SoapSchemaImporter.cs
- ImageSourceValueSerializer.cs
- Frame.cs
- SQLGuidStorage.cs
- GeneralTransform3DTo2DTo3D.cs
- Splitter.cs
- TextElementCollectionHelper.cs
- MarkupCompilePass1.cs
- XsdDataContractExporter.cs
- ListParagraph.cs
- StructuralObject.cs
- Binding.cs
- ExceptionUtil.cs
- Cursor.cs
- RelatedImageListAttribute.cs
- exports.cs
- HttpDebugHandler.cs
- AlgoModule.cs
- DesignerSelectionListAdapter.cs
- localization.cs
- ConfigurationStrings.cs
- StringResourceManager.cs
- LogicalExpr.cs
- FormViewAutoFormat.cs
- ForwardPositionQuery.cs
- ProcessHostServerConfig.cs
- ValidateNames.cs
- LinqDataSourceDisposeEventArgs.cs
- RelationshipConverter.cs
- SqlUdtInfo.cs
- ColumnWidthChangingEvent.cs
- EmissiveMaterial.cs
- SchemaNames.cs
- EntityViewContainer.cs
- Transform.cs
- Image.cs
- AsyncCompletedEventArgs.cs
- ListBase.cs
- ToolStripItemGlyph.cs
- SolidColorBrush.cs
- StringArrayEditor.cs
- SR.cs
- ConfigurationProperty.cs
- Int16Animation.cs
- StringSorter.cs
- StringBuilder.cs
- WebServiceTypeData.cs
- DragDrop.cs
- MasterPageBuildProvider.cs
- StructuredType.cs
- RangeValuePattern.cs
- ObjectFullSpanRewriter.cs
- GrowingArray.cs
- BoolLiteral.cs
- securitymgrsite.cs
- HttpInputStream.cs
- DoubleLinkListEnumerator.cs
- DbXmlEnabledProviderManifest.cs
- COSERVERINFO.cs
- ByteAnimation.cs
- DataGridItemEventArgs.cs
- Compilation.cs
- CodeGroup.cs
- DataTableCollection.cs