PrimitiveDataContract.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / Serialization / System / Runtime / Serialization / PrimitiveDataContract.cs / 2 / PrimitiveDataContract.cs

                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------
namespace System.Runtime.Serialization
{ 
    using System;
    using System.Collections; 
    using System.Collections.Generic; 
    using System.Globalization;
    using System.Reflection; 
    using System.Xml;
    using System.Security;

    internal abstract class PrimitiveDataContract : DataContract 
    {
        ///  
        /// Critical - holds instance of CriticalHelper which keeps state that is cached statically for serialization. 
        ///            Static fields are marked SecurityCritical or readonly to prevent
        ///            data from being modified or leaked to other components in appdomain. 
        /// 
        [SecurityCritical]
        PrimitiveDataContractCriticalHelper helper;
 
        /// 
        /// Critical - initializes SecurityCritical field 'helper' 
        /// Safe - doesn't leak anything 
        /// 
        [SecurityCritical, SecurityTreatAsSafe] 
        protected PrimitiveDataContract(Type type, XmlDictionaryString name, XmlDictionaryString ns) : base(new PrimitiveDataContractCriticalHelper(type, name, ns))
        {
            helper = base.Helper as PrimitiveDataContractCriticalHelper;
        } 

        static internal PrimitiveDataContract GetPrimitiveDataContract(Type type) 
        { 
            return DataContract.GetBuiltInDataContract(type) as PrimitiveDataContract;
        } 

        static internal PrimitiveDataContract GetPrimitiveDataContract(string name, string ns)
        {
            return DataContract.GetBuiltInDataContract(name, ns) as PrimitiveDataContract; 
        }
 
        internal abstract string WriteMethodName { get; } 
        internal abstract string ReadMethodName { get; }
 
        internal override XmlDictionaryString TopLevelElementNamespace
        {
            get { return DictionaryGlobals.SerializationNamespace; }
            set { } 
        }
 
        internal override bool CanContainReferences 
        {
            get { return false; } 
        }

        internal override bool IsPrimitive
        { 
            get { return true; }
        } 
 
        internal override bool IsBuiltInDataContract
        { 
            get
            {
                return true;
            } 
        }
 
        internal MethodInfo XmlFormatWriterMethod 
        {
            ///  
            /// Critical - fetches the critical XmlFormatWriterMethod property
            /// Safe - XmlFormatWriterMethod only needs to be protected for write; initialized in getter if null
            /// 
            [SecurityCritical, SecurityTreatAsSafe] 
            get
            { 
                if (helper.XmlFormatWriterMethod == null) 
                {
                    if (UnderlyingType.IsValueType) 
                        helper.XmlFormatWriterMethod = typeof(XmlWriterDelegator).GetMethod(WriteMethodName, Globals.ScanAllMembers, null, new Type[] { UnderlyingType, typeof(XmlDictionaryString), typeof(XmlDictionaryString) }, null);
                    else
                        helper.XmlFormatWriterMethod = typeof(XmlObjectSerializerWriteContext).GetMethod(WriteMethodName, Globals.ScanAllMembers, null, new Type[] { typeof(XmlWriterDelegator), UnderlyingType, typeof(XmlDictionaryString), typeof(XmlDictionaryString) }, null);
                } 
                return helper.XmlFormatWriterMethod;
            } 
        } 

        internal MethodInfo XmlFormatContentWriterMethod 
        {
            /// 
            /// Critical - fetches the critical XmlFormatContentWriterMethod property
            /// Safe - XmlFormatContentWriterMethod only needs to be protected for write; initialized in getter if null 
            /// 
            [SecurityCritical, SecurityTreatAsSafe] 
            get 
            {
                if (helper.XmlFormatContentWriterMethod == null) 
                {
                    if (UnderlyingType.IsValueType)
                        helper.XmlFormatContentWriterMethod = typeof(XmlWriterDelegator).GetMethod(WriteMethodName, Globals.ScanAllMembers, null, new Type[] { UnderlyingType }, null);
                    else 
                        helper.XmlFormatContentWriterMethod = typeof(XmlObjectSerializerWriteContext).GetMethod(WriteMethodName, Globals.ScanAllMembers, null, new Type[] { typeof(XmlWriterDelegator), UnderlyingType }, null);
                } 
                return helper.XmlFormatContentWriterMethod; 
            }
        } 

        internal MethodInfo XmlFormatReaderMethod
        {
            ///  
            /// Critical - fetches the critical XmlFormatReaderMethod property
            /// Safe - XmlFormatReaderMethod only needs to be protected for write; initialized in getter if null 
            ///  
            [SecurityCritical, SecurityTreatAsSafe]
            get 
            {
                if (helper.XmlFormatReaderMethod == null)
                {
                    helper.XmlFormatReaderMethod = typeof(XmlReaderDelegator).GetMethod(ReadMethodName, Globals.ScanAllMembers); 
                }
                return helper.XmlFormatReaderMethod; 
            } 
        }
 
        public override void WriteXmlValue(XmlWriterDelegator xmlWriter, object obj, XmlObjectSerializerWriteContext context)
        {
            xmlWriter.WriteAnyType(obj);
        } 

        protected object HandleReadValue(object obj, XmlObjectSerializerReadContext context) 
        { 
            context.AddNewObject(obj);
            return obj; 
        }

        protected bool TryReadNullAtTopLevel(XmlReaderDelegator reader)
        { 
            Attributes attributes = new Attributes();
            attributes.Read(reader); 
            if (attributes.Ref != Globals.NewObjectId) 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.CannotDeserializeRefAtTopLevel, attributes.Ref)));
            if (attributes.XsiNil) 
            {
                reader.Skip();
                return true;
            } 
            return false;
        } 
 
        /// 
        /// Critical - holds all state used for for (de)serializing primitives. 
        ///            since the data is cached statically, we lock down access to it.
        /// 
        [SecurityCritical(SecurityCriticalScope.Everything)]
        class PrimitiveDataContractCriticalHelper : DataContract.DataContractCriticalHelper 
        {
            MethodInfo xmlFormatWriterMethod; 
            MethodInfo xmlFormatContentWriterMethod; 
            MethodInfo xmlFormatReaderMethod;
 
            internal PrimitiveDataContractCriticalHelper(Type type, XmlDictionaryString name, XmlDictionaryString ns) : base(type)
            {
                SetDataContractName(name, ns);
            } 

            internal MethodInfo XmlFormatWriterMethod 
            { 
                get { return xmlFormatWriterMethod; }
                set { xmlFormatWriterMethod = value; } 
            }

            internal MethodInfo XmlFormatContentWriterMethod
            { 
                get { return xmlFormatContentWriterMethod; }
                set { xmlFormatContentWriterMethod = value; } 
            } 

            internal MethodInfo XmlFormatReaderMethod 
            {
                get { return xmlFormatReaderMethod; }
                set { xmlFormatReaderMethod = value; }
            } 
        }
 
    } 

    internal class CharDataContract : PrimitiveDataContract 
    {
        internal CharDataContract() : this(DictionaryGlobals.CharLocalName, DictionaryGlobals.SerializationNamespace)
        {
        } 

        internal CharDataContract(XmlDictionaryString name, XmlDictionaryString ns) : base(typeof(char), name, ns) 
        { 
        }
 
        internal override string WriteMethodName { get { return "WriteChar"; } }
        internal override string ReadMethodName { get { return "ReadElementContentAsChar"; } }

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context) 
        {
            writer.WriteChar((char)obj); 
        } 

        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context) 
        {
            return (context == null) ? reader.ReadElementContentAsChar()
                : HandleReadValue(reader.ReadElementContentAsChar(), context);
        } 
    }
 
    internal class AsmxCharDataContract : CharDataContract 
    {
        internal AsmxCharDataContract() : base(DictionaryGlobals.CharLocalName, DictionaryGlobals.AsmxTypesNamespace) { } 
    }

    internal class BooleanDataContract : PrimitiveDataContract
    { 
        internal BooleanDataContract() : base(typeof(bool), DictionaryGlobals.BooleanLocalName, DictionaryGlobals.SchemaNamespace)
        { 
        } 

        internal override string WriteMethodName { get { return "WriteBoolean"; } } 
        internal override string ReadMethodName { get { return "ReadElementContentAsBoolean"; } }

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context)
        { 
            writer.WriteBoolean((bool)obj);
        } 
 
        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context)
        { 
            return (context == null) ? reader.ReadElementContentAsBoolean()
                : HandleReadValue(reader.ReadElementContentAsBoolean(), context);
        }
    } 

    internal class SignedByteDataContract : PrimitiveDataContract 
    { 
        internal SignedByteDataContract() : base(typeof(sbyte), DictionaryGlobals.SignedByteLocalName, DictionaryGlobals.SchemaNamespace)
        { 
        }

        internal override string WriteMethodName { get { return "WriteSignedByte"; } }
        internal override string ReadMethodName { get { return "ReadElementContentAsSignedByte"; } } 

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context) 
        { 
            writer.WriteSignedByte((sbyte)obj);
        } 

        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context)
        {
            return (context == null) ? reader.ReadElementContentAsSignedByte() 
                : HandleReadValue(reader.ReadElementContentAsSignedByte(), context);
        } 
    } 

    internal class UnsignedByteDataContract : PrimitiveDataContract 
    {
        internal UnsignedByteDataContract() : base(typeof(byte), DictionaryGlobals.UnsignedByteLocalName, DictionaryGlobals.SchemaNamespace)
        {
        } 

        internal override string WriteMethodName { get { return "WriteUnsignedByte"; } } 
        internal override string ReadMethodName { get { return "ReadElementContentAsUnsignedByte"; } } 

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context) 
        {
            writer.WriteUnsignedByte((byte)obj);
        }
 
        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context)
        { 
            return (context == null) ? reader.ReadElementContentAsUnsignedByte() 
                : HandleReadValue(reader.ReadElementContentAsUnsignedByte(), context);
        } 
    }

    internal class ShortDataContract : PrimitiveDataContract
    { 
        internal ShortDataContract() : base(typeof(short), DictionaryGlobals.ShortLocalName, DictionaryGlobals.SchemaNamespace)
        { 
        } 

        internal override string WriteMethodName { get { return "WriteShort"; } } 
        internal override string ReadMethodName { get { return "ReadElementContentAsShort"; } }

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context)
        { 
            writer.WriteShort((short)obj);
        } 
 
        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context)
        { 
            return (context == null) ? reader.ReadElementContentAsShort()
                : HandleReadValue(reader.ReadElementContentAsShort(), context);
        }
    } 

    internal class UnsignedShortDataContract : PrimitiveDataContract 
    { 
        internal UnsignedShortDataContract() : base(typeof(ushort), DictionaryGlobals.UnsignedShortLocalName, DictionaryGlobals.SchemaNamespace)
        { 
        }

        internal override string WriteMethodName { get { return "WriteUnsignedShort"; } }
        internal override string ReadMethodName { get { return "ReadElementContentAsUnsignedShort"; } } 

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context) 
        { 
            writer.WriteUnsignedShort((ushort)obj);
        } 

        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context)
        {
            return (context == null) ? reader.ReadElementContentAsUnsignedShort() 
                : HandleReadValue(reader.ReadElementContentAsUnsignedShort(), context);
        } 
    } 

    internal class IntDataContract : PrimitiveDataContract 
    {
        internal IntDataContract() : base(typeof(int), DictionaryGlobals.IntLocalName, DictionaryGlobals.SchemaNamespace)
        {
        } 

        internal override string WriteMethodName { get { return "WriteInt"; } } 
        internal override string ReadMethodName { get { return "ReadElementContentAsInt"; } } 

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context) 
        {
            writer.WriteInt((int)obj);
        }
 
        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context)
        { 
            return (context == null) ? reader.ReadElementContentAsInt() 
                : HandleReadValue(reader.ReadElementContentAsInt(), context);
        } 
    }

    internal class UnsignedIntDataContract : PrimitiveDataContract
    { 
        internal UnsignedIntDataContract() : base(typeof(uint), DictionaryGlobals.UnsignedIntLocalName, DictionaryGlobals.SchemaNamespace)
        { 
        } 

        internal override string WriteMethodName { get { return "WriteUnsignedInt"; } } 
        internal override string ReadMethodName { get { return "ReadElementContentAsUnsignedInt"; } }

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context)
        { 
            writer.WriteUnsignedInt((uint)obj);
        } 
 
        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context)
        { 
            return (context == null) ? reader.ReadElementContentAsUnsignedInt()
                : HandleReadValue(reader.ReadElementContentAsUnsignedInt(), context);
        }
    } 

    internal class LongDataContract : PrimitiveDataContract 
    { 
        internal LongDataContract() : this(DictionaryGlobals.LongLocalName, DictionaryGlobals.SchemaNamespace)
        { 
        }

        internal LongDataContract(XmlDictionaryString name, XmlDictionaryString ns) : base(typeof(long), name, ns)
        { 
        }
 
        internal override string WriteMethodName { get { return "WriteLong"; } } 
        internal override string ReadMethodName { get { return "ReadElementContentAsLong"; } }
 
        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context)
        {
            writer.WriteLong((long)obj);
        } 

        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context) 
        { 
            return (context == null) ? reader.ReadElementContentAsLong()
                : HandleReadValue(reader.ReadElementContentAsLong(), context); 
        }
    }
    internal class IntegerDataContract : LongDataContract
    { 
        internal IntegerDataContract() : base(DictionaryGlobals.integerLocalName, DictionaryGlobals.SchemaNamespace) { }
    } 
    internal class PositiveIntegerDataContract : LongDataContract 
    {
        internal PositiveIntegerDataContract() : base(DictionaryGlobals.positiveIntegerLocalName, DictionaryGlobals.SchemaNamespace) { } 
    }
    internal class NegativeIntegerDataContract : LongDataContract
    {
        internal NegativeIntegerDataContract() : base(DictionaryGlobals.negativeIntegerLocalName, DictionaryGlobals.SchemaNamespace) { } 
    }
    internal class NonPositiveIntegerDataContract : LongDataContract 
    { 
        internal NonPositiveIntegerDataContract() : base(DictionaryGlobals.nonPositiveIntegerLocalName, DictionaryGlobals.SchemaNamespace) { }
    } 
    internal class NonNegativeIntegerDataContract : LongDataContract
    {
        internal NonNegativeIntegerDataContract() : base(DictionaryGlobals.nonNegativeIntegerLocalName, DictionaryGlobals.SchemaNamespace) { }
    } 

    internal class UnsignedLongDataContract : PrimitiveDataContract 
    { 
        internal UnsignedLongDataContract() : base(typeof(ulong), DictionaryGlobals.UnsignedLongLocalName, DictionaryGlobals.SchemaNamespace)
        { 
        }

        internal override string WriteMethodName { get { return "WriteUnsignedLong"; } }
        internal override string ReadMethodName { get { return "ReadElementContentAsUnsignedLong"; } } 

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context) 
        { 
            writer.WriteUnsignedLong((ulong)obj);
        } 

        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context)
        {
            return (context == null) ? reader.ReadElementContentAsUnsignedLong() 
                : HandleReadValue(reader.ReadElementContentAsUnsignedLong(), context);
        } 
    } 

    internal class FloatDataContract : PrimitiveDataContract 
    {
        internal FloatDataContract() : base(typeof(float), DictionaryGlobals.FloatLocalName, DictionaryGlobals.SchemaNamespace)
        {
        } 

        internal override string WriteMethodName { get { return "WriteFloat"; } } 
        internal override string ReadMethodName { get { return "ReadElementContentAsFloat"; } } 

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context) 
        {
            writer.WriteFloat((float)obj);
        }
 
        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context)
        { 
            return (context == null) ? reader.ReadElementContentAsFloat() 
                : HandleReadValue(reader.ReadElementContentAsFloat(), context);
        } 
    }

    internal class DoubleDataContract : PrimitiveDataContract
    { 
        internal DoubleDataContract() : base(typeof(double), DictionaryGlobals.DoubleLocalName, DictionaryGlobals.SchemaNamespace)
        { 
        } 

        internal override string WriteMethodName { get { return "WriteDouble"; } } 
        internal override string ReadMethodName { get { return "ReadElementContentAsDouble"; } }

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context)
        { 
            writer.WriteDouble((double)obj);
        } 
 
        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context)
        { 
            return (context == null) ? reader.ReadElementContentAsDouble()
                : HandleReadValue(reader.ReadElementContentAsDouble(), context);
        }
    } 

    internal class DecimalDataContract : PrimitiveDataContract 
    { 
        internal DecimalDataContract() : base(typeof(decimal), DictionaryGlobals.DecimalLocalName, DictionaryGlobals.SchemaNamespace)
        { 
        }

        internal override string WriteMethodName { get { return "WriteDecimal"; } }
        internal override string ReadMethodName { get { return "ReadElementContentAsDecimal"; } } 

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context) 
        { 
            writer.WriteDecimal((decimal)obj);
        } 

        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context)
        {
            return (context == null) ? reader.ReadElementContentAsDecimal() 
                : HandleReadValue(reader.ReadElementContentAsDecimal(), context);
        } 
    } 

    internal class DateTimeDataContract : PrimitiveDataContract 
    {
        internal DateTimeDataContract() : base(typeof(DateTime), DictionaryGlobals.DateTimeLocalName, DictionaryGlobals.SchemaNamespace)
        {
        } 

        internal override string WriteMethodName { get { return "WriteDateTime"; } } 
        internal override string ReadMethodName { get { return "ReadElementContentAsDateTime"; } } 

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context) 
        {
            writer.WriteDateTime((DateTime)obj);
        }
 
        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context)
        { 
            return (context == null) ? reader.ReadElementContentAsDateTime() 
                : HandleReadValue(reader.ReadElementContentAsDateTime(), context);
        } 
    }

    internal class StringDataContract : PrimitiveDataContract
    { 
        internal StringDataContract() : this(DictionaryGlobals.StringLocalName, DictionaryGlobals.SchemaNamespace)
        { 
        } 

        internal StringDataContract(XmlDictionaryString name, XmlDictionaryString ns) : base(typeof(string), name, ns) 
        {
        }

        internal override string WriteMethodName { get { return "WriteString"; } } 
        internal override string ReadMethodName { get { return "ReadElementContentAsString"; } }
 
        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context) 
        {
            writer.WriteString((string)obj); 
        }

        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context)
        { 
            if (context == null)
            { 
                return TryReadNullAtTopLevel(reader) ? null : reader.ReadElementContentAsString(); 
            }
            else 
            {
                return HandleReadValue(reader.ReadElementContentAsString(), context);
            }
        } 
    }
    internal class TimeDataContract : StringDataContract 
    { 
        internal TimeDataContract() : base(DictionaryGlobals.timeLocalName, DictionaryGlobals.SchemaNamespace) { }
    } 
    internal class DateDataContract : StringDataContract
    {
        internal DateDataContract() : base(DictionaryGlobals.dateLocalName, DictionaryGlobals.SchemaNamespace) { }
    } 
    internal class HexBinaryDataContract : StringDataContract
    { 
        internal HexBinaryDataContract() : base(DictionaryGlobals.hexBinaryLocalName, DictionaryGlobals.SchemaNamespace) { } 
    }
    internal class GYearMonthDataContract : StringDataContract 
    {
        internal GYearMonthDataContract() : base(DictionaryGlobals.gYearMonthLocalName, DictionaryGlobals.SchemaNamespace) { }
    }
    internal class GYearDataContract : StringDataContract 
    {
        internal GYearDataContract() : base(DictionaryGlobals.gYearLocalName, DictionaryGlobals.SchemaNamespace) { } 
    } 
    internal class GMonthDayDataContract : StringDataContract
    { 
        internal GMonthDayDataContract() : base(DictionaryGlobals.gMonthDayLocalName, DictionaryGlobals.SchemaNamespace) { }
    }
    internal class GDayDataContract : StringDataContract
    { 
        internal GDayDataContract() : base(DictionaryGlobals.gDayLocalName, DictionaryGlobals.SchemaNamespace) { }
    } 
    internal class GMonthDataContract : StringDataContract 
    {
        internal GMonthDataContract() : base(DictionaryGlobals.gMonthLocalName, DictionaryGlobals.SchemaNamespace) { } 
    }
    internal class NormalizedStringDataContract : StringDataContract
    {
        internal NormalizedStringDataContract() : base(DictionaryGlobals.normalizedStringLocalName, DictionaryGlobals.SchemaNamespace) { } 
    }
    internal class TokenDataContract : StringDataContract 
    { 
        internal TokenDataContract() : base(DictionaryGlobals.tokenLocalName, DictionaryGlobals.SchemaNamespace) { }
    } 
    internal class LanguageDataContract : StringDataContract
    {
        internal LanguageDataContract() : base(DictionaryGlobals.languageLocalName, DictionaryGlobals.SchemaNamespace) { }
    } 
    internal class NameDataContract : StringDataContract
    { 
        internal NameDataContract() : base(DictionaryGlobals.NameLocalName, DictionaryGlobals.SchemaNamespace) { } 
    }
    internal class NCNameDataContract : StringDataContract 
    {
        internal NCNameDataContract() : base(DictionaryGlobals.NCNameLocalName, DictionaryGlobals.SchemaNamespace) { }
    }
    internal class IDDataContract : StringDataContract 
    {
        internal IDDataContract() : base(DictionaryGlobals.XSDIDLocalName, DictionaryGlobals.SchemaNamespace) { } 
    } 
    internal class IDREFDataContract : StringDataContract
    { 
        internal IDREFDataContract() : base(DictionaryGlobals.IDREFLocalName, DictionaryGlobals.SchemaNamespace) { }
    }
    internal class IDREFSDataContract : StringDataContract
    { 
        internal IDREFSDataContract() : base(DictionaryGlobals.IDREFSLocalName, DictionaryGlobals.SchemaNamespace) { }
    } 
    internal class ENTITYDataContract : StringDataContract 
    {
        internal ENTITYDataContract() : base(DictionaryGlobals.ENTITYLocalName, DictionaryGlobals.SchemaNamespace) { } 
    }
    internal class ENTITIESDataContract : StringDataContract
    {
        internal ENTITIESDataContract() : base(DictionaryGlobals.ENTITIESLocalName, DictionaryGlobals.SchemaNamespace) { } 
    }
    internal class NMTOKENDataContract : StringDataContract 
    { 
        internal NMTOKENDataContract() : base(DictionaryGlobals.NMTOKENLocalName, DictionaryGlobals.SchemaNamespace) { }
    } 
    internal class NMTOKENSDataContract : StringDataContract
    {
        internal NMTOKENSDataContract() : base(DictionaryGlobals.NMTOKENSLocalName, DictionaryGlobals.SchemaNamespace) { }
    } 

    internal class ByteArrayDataContract : PrimitiveDataContract 
    { 
        internal ByteArrayDataContract() : base(typeof(byte[]), DictionaryGlobals.ByteArrayLocalName, DictionaryGlobals.SchemaNamespace)
        { 
        }

        internal override string WriteMethodName { get { return "WriteBase64"; } }
        internal override string ReadMethodName { get { return "ReadElementContentAsBase64"; } } 

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context) 
        { 
            writer.WriteBase64((byte[])obj);
        } 

        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context)
        {
            if (context == null) 
            {
                return TryReadNullAtTopLevel(reader) ? null : reader.ReadElementContentAsBase64(); 
            } 
            else
            { 
                return HandleReadValue(reader.ReadElementContentAsBase64(), context);
            }
        }
    } 

    internal class ObjectDataContract : PrimitiveDataContract 
    { 
        internal ObjectDataContract() : base(typeof(object), DictionaryGlobals.ObjectLocalName, DictionaryGlobals.SchemaNamespace)
        { 
        }

        internal override string WriteMethodName { get { return "WriteAnyType"; } }
        internal override string ReadMethodName { get { return "ReadElementContentAsAnyType"; } } 

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context) 
        { 
            // write nothing
        } 

        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context)
        {
            object obj; 
            if (reader.IsEmptyElement)
            { 
                reader.Skip(); 
                obj = new object();
            } 
            else
            {
                string localName = reader.LocalName;
                string ns = reader.NamespaceURI; 
                reader.Read();
                try 
                { 
                    reader.ReadEndElement();
                    obj = new object(); 
                }
                catch (XmlException xes)
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.XmlForObjectCannotHaveContent, localName, ns), xes)); 
                }
            } 
            return (context == null) ? obj : HandleReadValue(obj, context); 
        }
 
        internal override bool CanContainReferences
        {
            get { return true; }
        } 

        internal override bool IsPrimitive 
        { 
            get { return false; }
        } 

    }

    internal class TimeSpanDataContract : PrimitiveDataContract 
    {
        internal TimeSpanDataContract() : this(DictionaryGlobals.TimeSpanLocalName, DictionaryGlobals.SerializationNamespace) 
        { 
        }
 
        internal TimeSpanDataContract(XmlDictionaryString name, XmlDictionaryString ns) : base(typeof(TimeSpan), name, ns)
        {
        }
 
        internal override string WriteMethodName { get { return "WriteTimeSpan"; } }
        internal override string ReadMethodName { get { return "ReadElementContentAsTimeSpan"; } } 
 
        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context)
        { 
            writer.WriteTimeSpan((TimeSpan)obj);
        }

        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context) 
        {
            return (context == null) ? reader.ReadElementContentAsTimeSpan() 
                : HandleReadValue(reader.ReadElementContentAsTimeSpan(), context); 
        }
    } 

    internal class XsDurationDataContract : TimeSpanDataContract
    {
        internal XsDurationDataContract() : base(DictionaryGlobals.TimeSpanLocalName, DictionaryGlobals.SchemaNamespace) { } 
    }
 
    internal class GuidDataContract : PrimitiveDataContract 
    {
        internal GuidDataContract() : this(DictionaryGlobals.GuidLocalName, DictionaryGlobals.SerializationNamespace) 
        {
        }

        internal GuidDataContract(XmlDictionaryString name, XmlDictionaryString ns) : base(typeof(Guid), name, ns) 
        {
        } 
 
        internal override string WriteMethodName { get { return "WriteGuid"; } }
        internal override string ReadMethodName { get { return "ReadElementContentAsGuid"; } } 

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context)
        {
            writer.WriteGuid((Guid)obj); 
        }
 
        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context) 
        {
            return (context == null) ? reader.ReadElementContentAsGuid() 
                : HandleReadValue(reader.ReadElementContentAsGuid(), context);
        }
    }
 
    internal class AsmxGuidDataContract : GuidDataContract
    { 
        internal AsmxGuidDataContract() : base(DictionaryGlobals.GuidLocalName, DictionaryGlobals.AsmxTypesNamespace) { } 
    }
 
    internal class UriDataContract : PrimitiveDataContract
    {
        internal UriDataContract() : base(typeof(Uri), DictionaryGlobals.UriLocalName, DictionaryGlobals.SchemaNamespace)
        { 
        }
 
        internal override string WriteMethodName { get { return "WriteUri"; } } 
        internal override string ReadMethodName { get { return "ReadElementContentAsUri"; } }
 
        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context)
        {
            writer.WriteUri((Uri)obj);
        } 

        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context) 
        { 
            if (context == null)
            { 
                return TryReadNullAtTopLevel(reader) ? null : reader.ReadElementContentAsUri();
            }
            else
            { 
                return HandleReadValue(reader.ReadElementContentAsUri(), context);
            } 
        } 
    }
 
    internal class QNameDataContract : PrimitiveDataContract
    {
        internal QNameDataContract() : base(typeof(XmlQualifiedName), DictionaryGlobals.QNameLocalName, DictionaryGlobals.SchemaNamespace)
        { 
        }
 
        internal override string WriteMethodName { get { return "WriteQName"; } } 
        internal override string ReadMethodName { get { return "ReadElementContentAsQName"; } }
 
        internal override bool IsPrimitive
        {
            get { return false; }
        } 

        public override void WriteXmlValue(XmlWriterDelegator writer, object obj, XmlObjectSerializerWriteContext context) 
        { 
            writer.WriteQName((XmlQualifiedName)obj);
        } 

        public override object ReadXmlValue(XmlReaderDelegator reader, XmlObjectSerializerReadContext context)
        {
            if (context == null) 
            {
                return TryReadNullAtTopLevel(reader) ? null : reader.ReadElementContentAsQName(); 
            } 
            else
            { 
                return HandleReadValue(reader.ReadElementContentAsQName(), context);
            }
        }
 
        internal override void WriteRootElement(XmlWriterDelegator writer, XmlDictionaryString name, XmlDictionaryString ns)
        { 
            if (object.ReferenceEquals(ns, DictionaryGlobals.SerializationNamespace)) 
                writer.WriteStartElement(Globals.SerPrefix, name, ns);
            else if (ns != null && ns.Value != null && ns.Value.Length > 0) 
                writer.WriteStartElement(Globals.ElementPrefix, name, ns);
            else
                writer.WriteStartElement(name, ns);
        } 
    }
 
} 

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

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