Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Xml / System / Xml / Serialization / CodeExporter.cs / 1305376 / CodeExporter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- namespace System.Xml.Serialization { using System; using System.Collections; using System.IO; using System.ComponentModel; using System.Xml.Schema; using System.CodeDom; using System.CodeDom.Compiler; using System.Reflection; using System.Globalization; using System.Diagnostics; using System.Security.Permissions; ////// /// /// [PermissionSet(SecurityAction.InheritanceDemand, Name="FullTrust")] public abstract class CodeExporter { Hashtable exportedMappings; Hashtable exportedClasses; // TypeMapping -> CodeTypeDeclaration CodeNamespace codeNamespace; CodeCompileUnit codeCompileUnit; bool rootExported; TypeScope scope; CodeAttributeDeclarationCollection includeMetadata = new CodeAttributeDeclarationCollection(); CodeGenerationOptions options; CodeDomProvider codeProvider; CodeAttributeDeclaration generatedCodeAttribute; internal CodeExporter(CodeNamespace codeNamespace, CodeCompileUnit codeCompileUnit, CodeDomProvider codeProvider, CodeGenerationOptions options, Hashtable exportedMappings) { if (codeNamespace != null) CodeGenerator.ValidateIdentifiers(codeNamespace); this.codeNamespace = codeNamespace; if (codeCompileUnit != null) { if (!codeCompileUnit.ReferencedAssemblies.Contains("System.dll")) codeCompileUnit.ReferencedAssemblies.Add("System.dll"); if (!codeCompileUnit.ReferencedAssemblies.Contains("System.Xml.dll")) codeCompileUnit.ReferencedAssemblies.Add("System.Xml.dll"); } this.codeCompileUnit = codeCompileUnit; this.options = options; this.exportedMappings = exportedMappings; this.codeProvider = codeProvider; } internal CodeCompileUnit CodeCompileUnit { get { return codeCompileUnit; } } internal CodeNamespace CodeNamespace { get { if (codeNamespace == null) codeNamespace = new CodeNamespace(); return codeNamespace; } } internal CodeDomProvider CodeProvider { get { if (codeProvider == null) codeProvider = new Microsoft.CSharp.CSharpCodeProvider(); return codeProvider; } } internal Hashtable ExportedClasses { get { if (exportedClasses == null) exportedClasses = new Hashtable(); return exportedClasses; } } internal Hashtable ExportedMappings { get { if (exportedMappings == null) exportedMappings = new Hashtable(); return exportedMappings; } } internal bool GenerateProperties { get { return (options & CodeGenerationOptions.GenerateProperties) != 0; } } internal CodeAttributeDeclaration GeneratedCodeAttribute { get { if (generatedCodeAttribute == null) { CodeAttributeDeclaration decl = new CodeAttributeDeclaration(typeof(GeneratedCodeAttribute).FullName); Assembly a = Assembly.GetEntryAssembly(); if (a == null) { a = Assembly.GetExecutingAssembly(); if (a == null) { a = typeof(CodeExporter).Assembly; } } AssemblyName assemblyName = a.GetName(); decl.Arguments.Add(new CodeAttributeArgument(new CodePrimitiveExpression(assemblyName.Name))); string version = GetProductVersion(a); decl.Arguments.Add(new CodeAttributeArgument(new CodePrimitiveExpression(version == null ? assemblyName.Version.ToString() : version))); generatedCodeAttribute = decl; } return generatedCodeAttribute; } } internal static CodeAttributeDeclaration FindAttributeDeclaration(Type type, CodeAttributeDeclarationCollection metadata) { foreach (CodeAttributeDeclaration attribute in metadata) { if (attribute.Name == type.FullName || attribute.Name == type.Name) { return attribute; } } return null; } private static string GetProductVersion(Assembly assembly) { object[] attributes = assembly.GetCustomAttributes(true); for ( int i = 0; i[To be supplied.] ////// /// public CodeAttributeDeclarationCollection IncludeMetadata { get { return includeMetadata; } } internal TypeScope Scope { get { return scope; } } internal void CheckScope(TypeScope scope) { if (this.scope == null) { this.scope = scope; } else if (this.scope != scope) { throw new InvalidOperationException(Res.GetString(Res.XmlMappingsScopeMismatch)); } } internal abstract void ExportDerivedStructs(StructMapping mapping); internal abstract void EnsureTypesExported(Accessor[] accessors, string ns); internal static void AddWarningComment(CodeCommentStatementCollection comments, string text) { comments.Add(new CodeCommentStatement(Res.GetString(Res.XmlCodegenWarningDetails, text), false)); } internal void ExportRoot(StructMapping mapping, Type includeType) { if (!rootExported) { rootExported = true; ExportDerivedStructs(mapping); for (StructMapping derived = mapping.DerivedMappings; derived != null; derived = derived.NextDerivedMapping) { if (!derived.ReferencedByElement && derived.IncludeInSchema && !derived.IsAnonymousType) { CodeAttributeDeclaration include = new CodeAttributeDeclaration(includeType.FullName); include.Arguments.Add(new CodeAttributeArgument(new CodeTypeOfExpression(derived.TypeDesc.FullName))); includeMetadata.Add(include); } } Hashtable typesIncluded = new Hashtable(); foreach (TypeMapping m in Scope.TypeMappings) { if (m is ArrayMapping) { ArrayMapping arrayMapping = (ArrayMapping) m; if (ShouldInclude(arrayMapping) && !typesIncluded.Contains(arrayMapping.TypeDesc.FullName)) { CodeAttributeDeclaration include = new CodeAttributeDeclaration(includeType.FullName); include.Arguments.Add(new CodeAttributeArgument(new CodeTypeOfExpression(arrayMapping.TypeDesc.FullName))); includeMetadata.Add(include); typesIncluded.Add(arrayMapping.TypeDesc.FullName, string.Empty); EnsureTypesExported(arrayMapping.Elements, arrayMapping.Namespace); } } } } } private static bool ShouldInclude(ArrayMapping arrayMapping) { if (arrayMapping.ReferencedByElement) return false; if (arrayMapping.Next != null) return false; if (arrayMapping.Elements.Length == 1) { TypeKind kind = arrayMapping.Elements[0].Mapping.TypeDesc.Kind; if (kind == TypeKind.Node) return false; } for (int i = 0; i < arrayMapping.Elements.Length; i++) { if (arrayMapping.Elements[i].Name != arrayMapping.Elements[i].Mapping.DefaultElementName) { // in the case we need custom attributes to serialize an array instance, we cannot include arrau mapping without explicit reference. return false; } } return true; } internal CodeTypeDeclaration ExportEnum(EnumMapping mapping, Type type) { CodeTypeDeclaration codeClass = new CodeTypeDeclaration(mapping.TypeDesc.Name); codeClass.Comments.Add(new CodeCommentStatement(Res.GetString(Res.XmlRemarks), true)); codeClass.IsEnum = true; if (mapping.IsFlags && mapping.Constants.Length > 31) { codeClass.BaseTypes.Add(new CodeTypeReference(typeof(long))); } codeClass.TypeAttributes |= TypeAttributes.Public; CodeNamespace.Types.Add(codeClass); for (int i = 0; i < mapping.Constants.Length; i++) { ExportConstant(codeClass, mapping.Constants[i], type, mapping.IsFlags, 1L << i); } if (mapping.IsFlags) { // Add [FlagsAttribute] CodeAttributeDeclaration flags = new CodeAttributeDeclaration(typeof(FlagsAttribute).FullName); codeClass.CustomAttributes.Add(flags); } CodeGenerator.ValidateIdentifiers(codeClass); return codeClass; } internal void AddTypeMetadata(CodeAttributeDeclarationCollection metadata, Type type, string defaultName, string name, string ns, bool includeInSchema) { CodeAttributeDeclaration attribute = new CodeAttributeDeclaration(type.FullName); if (name == null || name.Length == 0) { attribute.Arguments.Add(new CodeAttributeArgument("AnonymousType", new CodePrimitiveExpression(true))); } else { if (defaultName != name) { attribute.Arguments.Add(new CodeAttributeArgument("TypeName", new CodePrimitiveExpression(name))); } } if (ns != null && ns.Length != 0) { attribute.Arguments.Add(new CodeAttributeArgument("Namespace", new CodePrimitiveExpression(ns))); } if (!includeInSchema) { attribute.Arguments.Add(new CodeAttributeArgument("IncludeInSchema", new CodePrimitiveExpression(false))); } if (attribute.Arguments.Count > 0) { metadata.Add(attribute); } } internal static void AddIncludeMetadata(CodeAttributeDeclarationCollection metadata, StructMapping mapping, Type type) { if (mapping.IsAnonymousType) return; for (StructMapping derived = mapping.DerivedMappings; derived != null; derived = derived.NextDerivedMapping) { CodeAttributeDeclaration attribute = new CodeAttributeDeclaration(type.FullName); attribute.Arguments.Add(new CodeAttributeArgument(new CodeTypeOfExpression(derived.TypeDesc.FullName))); metadata.Add(attribute); AddIncludeMetadata(metadata, derived, type); } } internal static void ExportConstant(CodeTypeDeclaration codeClass, ConstantMapping constant, Type type, bool init, long enumValue) { CodeMemberField field = new CodeMemberField(typeof(int).FullName, constant.Name); field.Comments.Add(new CodeCommentStatement(Res.GetString(Res.XmlRemarks), true)); if (init) field.InitExpression = new CodePrimitiveExpression(enumValue); codeClass.Members.Add(field); if (constant.XmlName != constant.Name) { CodeAttributeDeclaration attribute = new CodeAttributeDeclaration(type.FullName); attribute.Arguments.Add(new CodeAttributeArgument(new CodePrimitiveExpression(constant.XmlName))); field.CustomAttributes.Add(attribute); } } internal static object PromoteType(Type type, object value) { if (type == typeof(sbyte)) { return ((IConvertible)value).ToInt16(null); } else if (type == typeof(UInt16)) { return ((IConvertible)value).ToInt32(null); } else if (type == typeof(UInt32)) { return ((IConvertible)value).ToInt64(null); } else if (type == typeof(UInt64)) { return ((IConvertible)value).ToDecimal(null); } else { return value; } } internal CodeMemberProperty CreatePropertyDeclaration(CodeMemberField field, string name, string typeName) { CodeMemberProperty prop = new CodeMemberProperty(); prop.Type = new CodeTypeReference(typeName); prop.Name = name; prop.Attributes = (prop.Attributes & ~MemberAttributes.AccessMask) | MemberAttributes.Public; //add get CodeMethodReturnStatement ret = new CodeMethodReturnStatement(); ret.Expression = new CodeFieldReferenceExpression(new CodeThisReferenceExpression(), field.Name); prop.GetStatements.Add(ret); CodeAssignStatement propertySet = new CodeAssignStatement(); CodeExpression left = new CodeFieldReferenceExpression(new CodeThisReferenceExpression(), field.Name); CodeExpression right = new CodePropertySetValueReferenceExpression(); propertySet.Left = left; propertySet.Right = right; if (EnableDataBinding) { prop.SetStatements.Add(propertySet); prop.SetStatements.Add(new CodeMethodInvokeExpression(new CodeThisReferenceExpression(), RaisePropertyChangedEventMethod.Name, new CodePrimitiveExpression(name))); } else prop.SetStatements.Add(propertySet); return prop; } internal static string MakeFieldName(string name) { return CodeIdentifier.MakeCamel(name) + "Field"; } internal void AddPropertyChangedNotifier(CodeTypeDeclaration codeClass) { if (EnableDataBinding && codeClass != null) { if (codeClass.BaseTypes.Count == 0) { codeClass.BaseTypes.Add(typeof(object)); } codeClass.BaseTypes.Add(new CodeTypeReference(typeof(System.ComponentModel.INotifyPropertyChanged))); codeClass.Members.Add(PropertyChangedEvent); codeClass.Members.Add(RaisePropertyChangedEventMethod); } } bool EnableDataBinding { get { return (options & CodeGenerationOptions.EnableDataBinding) != 0; } } internal static CodeMemberMethod RaisePropertyChangedEventMethod { get { CodeMemberMethod raisePropertyChangedEventMethod = new CodeMemberMethod(); raisePropertyChangedEventMethod.Name = "RaisePropertyChanged"; raisePropertyChangedEventMethod.Attributes = MemberAttributes.Family | MemberAttributes.Final; CodeArgumentReferenceExpression propertyName = new CodeArgumentReferenceExpression("propertyName"); raisePropertyChangedEventMethod.Parameters.Add(new CodeParameterDeclarationExpression(typeof(string), propertyName.ParameterName)); CodeVariableReferenceExpression propertyChanged = new CodeVariableReferenceExpression("propertyChanged"); raisePropertyChangedEventMethod.Statements.Add(new CodeVariableDeclarationStatement(typeof(PropertyChangedEventHandler), propertyChanged.VariableName, new CodeEventReferenceExpression(new CodeThisReferenceExpression(), PropertyChangedEvent.Name))); CodeConditionStatement ifStatement = new CodeConditionStatement(new CodeBinaryOperatorExpression(propertyChanged, CodeBinaryOperatorType.IdentityInequality, new CodePrimitiveExpression(null))); raisePropertyChangedEventMethod.Statements.Add(ifStatement); ifStatement.TrueStatements.Add(new CodeDelegateInvokeExpression(propertyChanged, new CodeThisReferenceExpression(), new CodeObjectCreateExpression(typeof(PropertyChangedEventArgs), propertyName))); return raisePropertyChangedEventMethod; } } internal static CodeMemberEvent PropertyChangedEvent { get { CodeMemberEvent propertyChangedEvent = new CodeMemberEvent(); propertyChangedEvent.Attributes = MemberAttributes.Public; propertyChangedEvent.Name = "PropertyChanged"; propertyChangedEvent.Type = new CodeTypeReference(typeof(PropertyChangedEventHandler)); propertyChangedEvent.ImplementationTypes.Add(typeof(System.ComponentModel.INotifyPropertyChanged)); return propertyChangedEvent; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.[To be supplied.] ///
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