XmlSerializationGeneratedCode.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / fx / src / Xml / System / Xml / Serialization / XmlSerializationGeneratedCode.cs / 2 / XmlSerializationGeneratedCode.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
namespace System.Xml.Serialization { 
    using System;
    using System.IO; 
    using System.Collections;
    using System.ComponentModel;
    using System.Threading;
    using System.Reflection; 
    using System.Security;
    using System.Globalization; 
 
    /// 
    /// 
    public abstract class XmlSerializationGeneratedCode {
        TempAssembly tempAssembly;
        int threadCode;
        ResolveEventHandler assemblyResolver; 

        internal void Init(TempAssembly tempAssembly) { 
            this.tempAssembly = tempAssembly; 
            // only hook the assembly resolver if we have something to help us do the resolution
            if (tempAssembly != null && tempAssembly.Need----embyResolve) { 
                // we save the threadcode to make sure we don't handle any resolve events for any other threads
                threadCode = Thread.CurrentThread.GetHashCode();
                assemblyResolver = new ResolveEventHandler(OnAssemblyResolve);
                AppDomain.CurrentDomain.AssemblyResolve += assemblyResolver; 
            }
        } 
 
        // this method must be called at the end of serialization
        internal void Dispose() { 
            if (assemblyResolver != null)
                AppDomain.CurrentDomain.AssemblyResolve -= assemblyResolver;
            assemblyResolver = null;
        } 

        internal Assembly OnAssemblyResolve(object sender, ResolveEventArgs args) { 
            if (tempAssembly != null && Thread.CurrentThread.GetHashCode() == threadCode) 
                return tempAssembly.GetReferencedAssembly(args.Name);
            return null; 
        }
    }

    internal class XmlSerializationCodeGen { 
        IndentedWriter writer;
        int nextMethodNumber = 0; 
        Hashtable methodNames = new Hashtable(); 
        ReflectionAwareCodeGen raCodeGen;
        TypeScope[] scopes; 
        TypeDesc stringTypeDesc = null;
        TypeDesc qnameTypeDesc = null;
        string access;
        string className; 
        TypeMapping[] referencedMethods;
        int references = 0; 
        Hashtable generatedMethods = new Hashtable(); 

        internal XmlSerializationCodeGen(IndentedWriter writer, TypeScope[] scopes, string access, string className) { 
            this.writer = writer;
            this.scopes = scopes;
            if (scopes.Length > 0) {
                stringTypeDesc = scopes[0].GetTypeDesc(typeof(string)); 
                qnameTypeDesc = scopes[0].GetTypeDesc(typeof(XmlQualifiedName));
            } 
            this.raCodeGen = new ReflectionAwareCodeGen(writer); 
            this.className = className;
            this.access = access; 
        }

        internal IndentedWriter Writer { get { return writer; } }
        internal int NextMethodNumber { get { return nextMethodNumber; } set { nextMethodNumber = value; } } 
        internal ReflectionAwareCodeGen RaCodeGen { get { return raCodeGen; } }
        internal TypeDesc StringTypeDesc { get { return stringTypeDesc; } } 
        internal TypeDesc QnameTypeDesc { get { return qnameTypeDesc; } } 
        internal string ClassName { get { return className; } }
        internal string Access { get { return access; } } 
        internal TypeScope[] Scopes { get { return scopes; } }
        internal Hashtable MethodNames { get { return methodNames; } }
        internal Hashtable GeneratedMethods { get { return generatedMethods; } }
 
        internal virtual void GenerateMethod(TypeMapping mapping){}
 
        internal void GenerateReferencedMethods() { 
            while(references > 0) {
                TypeMapping mapping = referencedMethods[--references]; 
                GenerateMethod(mapping);
            }
        }
 
        internal string ReferenceMapping(TypeMapping mapping) {
            if (!mapping.IsSoap) { 
                if (generatedMethods[mapping] == null) { 
                    referencedMethods = EnsureArrayIndex(referencedMethods, references);
                    referencedMethods[references++] = mapping; 
                }
            }
            return (string)methodNames[mapping];
        } 

        TypeMapping[] EnsureArrayIndex(TypeMapping[] a, int index) { 
            if (a == null) return new TypeMapping[32]; 
            if (index < a.Length) return a;
            TypeMapping[] b = new TypeMapping[a.Length + 32]; 
            Array.Copy(a, b, index);
            return b;
        }
 
        internal void WriteQuotedCSharpString(string value) {
            raCodeGen.WriteQuotedCSharpString(value); 
        } 

        internal void GenerateHashtableGetBegin(string privateName, string publicName) { 
            writer.Write(typeof(Hashtable).FullName);
            writer.Write(" ");
            writer.Write(privateName);
            writer.WriteLine(" = null;"); 
            writer.Write("public override ");
            writer.Write(typeof(Hashtable).FullName); 
 
            writer.Write(" ");
            writer.Write(publicName); 
            writer.WriteLine(" {");
            writer.Indent++;

            writer.WriteLine("get {"); 
            writer.Indent++;
 
            writer.Write("if ("); 
            writer.Write(privateName);
            writer.WriteLine(" == null) {"); 
            writer.Indent++;

            writer.Write(typeof(Hashtable).FullName);
            writer.Write(" _tmp = new "); 
            writer.Write(typeof(Hashtable).FullName);
            writer.WriteLine("();"); 
 
        }
 
        internal void GenerateHashtableGetEnd(string privateName) {
            writer.Write("if (");
            writer.Write(privateName);
            writer.Write(" == null) "); 
            writer.Write(privateName);
            writer.WriteLine(" = _tmp;"); 
            writer.Indent--; 
            writer.WriteLine("}");
 
            writer.Write("return ");
            writer.Write(privateName);
            writer.WriteLine(";");
            writer.Indent--; 
            writer.WriteLine("}");
 
            writer.Indent--; 
            writer.WriteLine("}");
        } 
        internal void GeneratePublicMethods(string privateName, string publicName, string[] methods, XmlMapping[] xmlMappings) {
            GenerateHashtableGetBegin(privateName, publicName);
            if (methods != null && methods.Length != 0 && xmlMappings != null && xmlMappings.Length == methods.Length) {
                for (int i = 0; i < methods.Length; i++) { 
                    if (methods[i] == null)
                        continue; 
                    writer.Write("_tmp["); 
                    WriteQuotedCSharpString(xmlMappings[i].Key);
                    writer.Write("] = "); 
                    WriteQuotedCSharpString(methods[i]);
                    writer.WriteLine(";");
                }
            } 
            GenerateHashtableGetEnd(privateName);
        } 
 
        internal void GenerateSupportedTypes(Type[] types) {
            writer.Write("public override "); 
            writer.Write(typeof(bool).FullName);
            writer.Write(" CanSerialize(");
            writer.Write(typeof(Type).FullName);
            writer.WriteLine(" type) {"); 
            writer.Indent++;
            Hashtable uniqueTypes = new Hashtable(); 
            for (int i = 0; i < types.Length; i++) { 
                Type type = types[i];
 
                if (type == null)
                    continue;
                if (!type.IsPublic && !type.IsNestedPublic)
                    continue; 
                if (uniqueTypes[type] != null)
                    continue; 
                if (DynamicAssemblies.IsTypeDynamic(type)) 
                    continue;
                if (type.IsGenericType || type.ContainsGenericParameters && DynamicAssemblies.IsTypeDynamic(type.GetGenericArguments())) 
                    continue;
                uniqueTypes[type] = type;
                writer.Write("if (type == typeof(");
                writer.Write(CodeIdentifier.GetCSharpName(type)); 
                writer.WriteLine(")) return true;");
            } 
            writer.WriteLine("return false;"); 
            writer.Indent--;
            writer.WriteLine("}"); 
        }

        internal string GenerateBaseSerializer(string baseSerializer, string readerClass, string writerClass, CodeIdentifiers classes) {
            baseSerializer = CodeIdentifier.MakeValid(baseSerializer); 
            baseSerializer = classes.AddUnique(baseSerializer, baseSerializer);
 
            writer.WriteLine(); 
            writer.Write("public abstract class ");
            writer.Write(CodeIdentifier.GetCSharpName(baseSerializer)); 
            writer.Write(" : ");
            writer.Write(typeof(XmlSerializer).FullName);
            writer.WriteLine(" {");
            writer.Indent++; 

            writer.Write("protected override "); 
            writer.Write(typeof(XmlSerializationReader).FullName); 
            writer.WriteLine(" CreateReader() {");
            writer.Indent++; 
            writer.Write("return new ");
            writer.Write(readerClass);
            writer.WriteLine("();");
            writer.Indent--; 
            writer.WriteLine("}");
 
            writer.Write("protected override "); 
            writer.Write(typeof(XmlSerializationWriter).FullName);
            writer.WriteLine(" CreateWriter() {"); 
            writer.Indent++;
            writer.Write("return new ");
            writer.Write(writerClass);
            writer.WriteLine("();"); 
            writer.Indent--;
            writer.WriteLine("}"); 
 
            writer.Indent--;
            writer.WriteLine("}"); 

            return baseSerializer;
        }
 
        internal string GenerateTypedSerializer(string readMethod, string writeMethod, XmlMapping mapping, CodeIdentifiers classes, string baseSerializer, string readerClass, string writerClass) {
            string serializerName = CodeIdentifier.MakeValid(Accessor.UnescapeName(mapping.Accessor.Mapping.TypeDesc.Name)); 
            serializerName = classes.AddUnique(serializerName + "Serializer", mapping); 

            writer.WriteLine(); 
            writer.Write("public sealed class ");
            writer.Write(CodeIdentifier.GetCSharpName(serializerName));
            writer.Write(" : ");
            writer.Write(baseSerializer); 
            writer.WriteLine(" {");
            writer.Indent++; 
 
            writer.WriteLine();
            writer.Write("public override "); 
            writer.Write(typeof(bool).FullName);
            writer.Write(" CanDeserialize(");
            writer.Write(typeof(XmlReader).FullName);
            writer.WriteLine(" xmlReader) {"); 
            writer.Indent++;
 
            if (mapping.Accessor.Any) { 
                writer.WriteLine("return true;");
            } 
            else {
                writer.Write("return xmlReader.IsStartElement(");
                WriteQuotedCSharpString(mapping.Accessor.Name);
                writer.Write(", "); 
                WriteQuotedCSharpString(mapping.Accessor.Namespace);
                writer.WriteLine(");"); 
            } 
            writer.Indent--;
            writer.WriteLine("}"); 

            if (writeMethod != null) {
                writer.WriteLine();
                writer.Write("protected override void Serialize(object objectToSerialize, "); 
                writer.Write(typeof(XmlSerializationWriter).FullName);
                writer.WriteLine(" writer) {"); 
                writer.Indent++; 
                writer.Write("((");
                writer.Write(writerClass); 
                writer.Write(")writer).");
                writer.Write(writeMethod);
                writer.Write("(");
                if (mapping is XmlMembersMapping) { 
                    writer.Write("(object[])");
                } 
                writer.WriteLine("objectToSerialize);"); 
                writer.Indent--;
                writer.WriteLine("}"); 
            }
            if (readMethod != null) {
                writer.WriteLine();
                writer.Write("protected override object Deserialize("); 
                writer.Write(typeof(XmlSerializationReader).FullName);
                writer.WriteLine(" reader) {"); 
                writer.Indent++; 
                writer.Write("return ((");
                writer.Write(readerClass); 
                writer.Write(")reader).");
                writer.Write(readMethod);
                writer.WriteLine("();");
                writer.Indent--; 
                writer.WriteLine("}");
            } 
            writer.Indent--; 
            writer.WriteLine("}");
 
            return serializerName;
        }

        void GenerateTypedSerializers(Hashtable serializers) { 
            string privateName = "typedSerializers";
            GenerateHashtableGetBegin(privateName, "TypedSerializers"); 
 
            foreach (string key in serializers.Keys) {
                writer.Write("_tmp.Add("); 
                WriteQuotedCSharpString(key);
                writer.Write(", new ");
                writer.Write((string)serializers[key]);
                writer.WriteLine("());"); 
            }
            GenerateHashtableGetEnd("typedSerializers"); 
        } 

        //GenerateGetSerializer(serializers, xmlMappings); 
        void GenerateGetSerializer(Hashtable serializers, XmlMapping[] xmlMappings) {
            writer.Write("public override ");
            writer.Write(typeof(XmlSerializer).FullName);
            writer.Write(" GetSerializer("); 
            writer.Write(typeof(Type).FullName);
            writer.WriteLine(" type) {"); 
            writer.Indent++; 

            for (int i = 0; i < xmlMappings.Length; i++) { 
                if (xmlMappings[i] is XmlTypeMapping) {
                    Type type = xmlMappings[i].Accessor.Mapping.TypeDesc.Type;
                    if (type == null)
                        continue; 
                    if (!type.IsPublic && !type.IsNestedPublic)
                        continue; 
                    if (DynamicAssemblies.IsTypeDynamic(type)) 
                        continue;
                    if (type.IsGenericType || type.ContainsGenericParameters && DynamicAssemblies.IsTypeDynamic(type.GetGenericArguments())) 
                        continue;
                    writer.Write("if (type == typeof(");
                    writer.Write(CodeIdentifier.GetCSharpName(type));
                    writer.Write(")) return new "); 
                    writer.Write((string)serializers[xmlMappings[i].Key]);
                    writer.WriteLine("();"); 
                } 
            }
            writer.WriteLine("return null;"); 
            writer.Indent--;
            writer.WriteLine("}");
        }
 
        internal void GenerateSerializerContract(string className, XmlMapping[] xmlMappings, Type[] types, string readerType, string[] readMethods, string writerType, string[] writerMethods, Hashtable serializers) {
            writer.WriteLine(); 
            writer.Write("public class XmlSerializerContract : global::"); 
            writer.Write(typeof(XmlSerializerImplementation).FullName);
            writer.WriteLine(" {"); 
            writer.Indent++;

            writer.Write("public override global::");
            writer.Write(typeof(XmlSerializationReader).FullName); 
            writer.Write(" Reader { get { return new ");
            writer.Write(readerType); 
            writer.WriteLine("(); } }"); 

            writer.Write("public override global::"); 
            writer.Write(typeof(XmlSerializationWriter).FullName);
            writer.Write(" Writer { get { return new ");
            writer.Write(writerType);
            writer.WriteLine("(); } }"); 

            GeneratePublicMethods("readMethods", "ReadMethods", readMethods, xmlMappings); 
            GeneratePublicMethods("writeMethods", "WriteMethods", writerMethods, xmlMappings); 
            GenerateTypedSerializers(serializers);
            GenerateSupportedTypes(types); 
            GenerateGetSerializer(serializers, xmlMappings);

            writer.Indent--;
            writer.WriteLine("}"); 

        } 
 
        internal static bool IsWildcard(SpecialMapping mapping) {
            if (mapping is SerializableMapping) 
                return ((SerializableMapping)mapping).IsAny;
            return mapping.TypeDesc.CanBeElementValue;
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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