Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / CompMod / System / ComponentModel / Design / Serialization / PrimitiveCodeDomSerializer.cs / 1 / PrimitiveCodeDomSerializer.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.ComponentModel.Design.Serialization { using System; using System.CodeDom; using System.CodeDom.Compiler; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design; using System.Diagnostics; using System.Reflection; ////// /// Code model serializer for primitive types. /// internal class PrimitiveCodeDomSerializer : CodeDomSerializer { private static readonly string JSharpFileExtension = ".jsl"; private static PrimitiveCodeDomSerializer defaultSerializer; ////// /// Retrieves a default static instance of this serializer. /// internal new static PrimitiveCodeDomSerializer Default { get { if (defaultSerializer == null) { defaultSerializer = new PrimitiveCodeDomSerializer(); } return defaultSerializer; } } ////// /// Serializes the given object into a CodeDom object. /// public override object Serialize(IDesignerSerializationManager manager, object value) { using (TraceScope("PrimitiveCodeDomSerializer::Serialize")) { Trace("Value: {0}", (value == null ? "(null)" : value.ToString())); } CodeExpression expression = new CodePrimitiveExpression(value); if (value != null) { if (value is bool || value is char || value is int || value is float || value is double) { // Hack for J#, since they don't support auto-boxing of value types yet. CodeDomProvider codeProvider = manager.GetService(typeof(CodeDomProvider)) as CodeDomProvider; if (codeProvider != null && String.Equals(codeProvider.FileExtension, JSharpFileExtension)) { // See if we are boxing - if so, insert a cast. ExpressionContext cxt = manager.Context[typeof(ExpressionContext)] as ExpressionContext; Debug.Assert(cxt != null, "No expression context on stack - J# boxing cast will not be inserted"); if (cxt != null) { if (cxt.ExpressionType == typeof(object)) { expression = new CodeCastExpression(value.GetType(), expression); expression.UserData.Add("CastIsBoxing", true); } } } } else if (value is string) { string stringValue = value as string; if (stringValue != null && stringValue.Length > 200) { expression = SerializeToResourceExpression(manager, stringValue); } } else { // Generate a cast for all other types because we won't parse them properly otherwise // because we won't know to convert them to the narrow form. expression = new CodeCastExpression(new CodeTypeReference(value.GetType()), expression); } } return expression; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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