93 lines
3.5 KiB
C#
93 lines
3.5 KiB
C#
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namespace System.Workflow.ComponentModel.Serialization
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{
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using System;
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using System.CodeDom;
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using System.ComponentModel;
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using System.ComponentModel.Design;
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using System.ComponentModel.Design.Serialization;
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using System.Collections;
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using System.Resources;
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using System.Workflow.ComponentModel.Design;
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using System.Collections.Generic;
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using Microsoft.CSharp;
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using System.Workflow.ComponentModel;
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using System.Workflow.ComponentModel.Compiler;
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using System.CodeDom.Compiler;
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using System.IO;
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using System.Reflection;
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using System.Diagnostics;
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#region Class PrimitiveCodeDomSerializer
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// work around : PD7's PrimitiveCodeDomSerializer does not handle well strings bigger than 200 characters,
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// we push our own version to fix it.
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internal class PrimitiveCodeDomSerializer : CodeDomSerializer
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{
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private static readonly string JSharpFileExtension = ".jsl";
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private static PrimitiveCodeDomSerializer defaultSerializer;
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internal static PrimitiveCodeDomSerializer Default
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{
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get
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{
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if (defaultSerializer == null)
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{
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defaultSerializer = new PrimitiveCodeDomSerializer();
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}
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return defaultSerializer;
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}
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}
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public override object Serialize(IDesignerSerializationManager manager, object value)
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{
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CodeExpression expression = new CodePrimitiveExpression(value);
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if (value == null
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|| value is bool
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|| value is char
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|| value is int
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|| value is float
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|| value is double)
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{
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// work aroundf for J#, since they don't support auto-boxing of value types yet.
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CodeDomProvider codeProvider = manager.GetService(typeof(CodeDomProvider)) as CodeDomProvider;
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if (codeProvider != null && String.Equals(codeProvider.FileExtension, JSharpFileExtension))
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{
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// See if we are boxing - if so, insert a cast.
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ExpressionContext cxt = manager.Context[typeof(ExpressionContext)] as ExpressionContext;
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//Debug.Assert(cxt != null, "No expression context on stack - J# boxing cast will not be inserted");
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if (cxt != null)
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{
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if (cxt.ExpressionType == typeof(object))
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{
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expression = new CodeCastExpression(value.GetType(), expression);
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expression.UserData.Add("CastIsBoxing", true);
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}
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}
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}
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return expression;
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}
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String stringValue = value as string;
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if (stringValue != null)
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{
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// WinWS: The commented code breaks us when we have long strings
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//if (stringValue.Length > 200)
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//{
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// return SerializeToResourceExpression(manager, stringValue);
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//}
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//else
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return expression;
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}
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// generate a cast for non-int types because we won't parse them properly otherwise because we won't know to convert
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// them to the narrow form.
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//
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return new CodeCastExpression(new CodeTypeReference(value.GetType()), expression);
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}
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}
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#endregion
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}
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