BinaryFormatterWriter.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / clr / src / BCL / System / Runtime / Serialization / Formatters / Binary / BinaryFormatterWriter.cs / 1 / BinaryFormatterWriter.cs

                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
 ** 
 ** Class: BinaryWriter 
 **
 ** 
 ** Purpose: Writes primitive values to a stream
 **
 **
 ===========================================================*/ 

namespace System.Runtime.Serialization.Formatters.Binary { 
 
    using System;
    using System.Collections; 
    using System.IO;
    using System.Reflection;
    using System.Text;
    using System.Globalization; 
    using System.Runtime.Serialization.Formatters;
    using System.Configuration.Assemblies; 
    using System.Threading; 
    using System.Runtime.Remoting;
    using System.Runtime.Serialization; 

    internal sealed class __BinaryWriter
    {
        internal Stream sout; 
        internal FormatterTypeStyle formatterTypeStyle;
        internal Hashtable objectMapTable; 
        internal ObjectWriter objectWriter = null; 
        internal BinaryWriter dataWriter = null;
 
        internal int m_nestedObjectCount;
        private int nullCount = 0; //Count of consecutive array nulls

        // Constructor 
        internal __BinaryWriter(Stream sout, ObjectWriter objectWriter, FormatterTypeStyle formatterTypeStyle)
        { 
            SerTrace.Log( this, "BinaryWriter "); 
            this.sout = sout;
            this.formatterTypeStyle = formatterTypeStyle; 
            this.objectWriter = objectWriter;
            m_nestedObjectCount = 0;
            dataWriter = new BinaryWriter(sout, Encoding.UTF8);
        } 

        internal void WriteBegin() 
        { 
            BCLDebug.Trace("BINARY", "\n%%%%%BinaryWriterBegin%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n");
        } 

        internal void WriteEnd()
        {
            BCLDebug.Trace("BINARY", "\n%%%%%BinaryWriterEnd%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n"); 
            dataWriter.Flush();
        } 
 
        // Methods to write a value onto the stream
        internal void WriteBoolean(Boolean value) 
        {
            dataWriter.Write(value);
        }
 
        internal void WriteByte(Byte value)
        { 
            dataWriter.Write(value); 
        }
 
        private void WriteBytes(Byte[] value)
        {
            dataWriter.Write(value);
        } 

        private void WriteBytes(byte[] byteA, int offset, int size) 
        { 
            dataWriter.Write(byteA, offset, size);
        } 

        internal void WriteChar(Char value)
        {
            dataWriter.Write(value); 
        }
 
        internal void WriteChars(Char[] value) 
        {
            dataWriter.Write(value); 
        }


        internal void WriteDecimal(Decimal value) 
        {
            WriteString(value.ToString(CultureInfo.InvariantCulture)); 
        } 

        internal void WriteSingle(Single value) 
        {
            dataWriter.Write(value);
        }
 
        internal void WriteDouble(Double value)
        { 
            dataWriter.Write(value); 
        }
 
        internal void WriteInt16(Int16 value)
        {
            dataWriter.Write(value);
        } 

        internal void WriteInt32(Int32 value) 
        { 
            dataWriter.Write(value);
        } 

        internal void WriteInt64(Int64 value)
        {
            dataWriter.Write(value); 
        }
 
        internal void WriteSByte(SByte value) 
        {
            WriteByte((Byte)value); 
        }

        internal void WriteString(String value)
        { 
            dataWriter.Write(value);
        } 
 
        internal void WriteTimeSpan(TimeSpan value)
        { 
            WriteInt64(value.Ticks);
        }

        internal void WriteDateTime(DateTime value) 
        {
            WriteInt64(value.ToBinaryRaw()); 
        } 

        internal void WriteUInt16(UInt16 value) 
        {
            dataWriter.Write(value);
        }
 
        internal void WriteUInt32(UInt32 value)
        { 
            dataWriter.Write(value); 
        }
 
        internal void WriteUInt64(UInt64 value)
        {
            dataWriter.Write(value);
        } 

        internal void WriteObjectEnd(NameInfo memberNameInfo, NameInfo typeNameInfo) 
        { 
        }
 
        internal void WriteSerializationHeaderEnd()
        {
            MessageEnd record = new MessageEnd();
            record.Dump(sout); 
            record.Write(this);
        } 
 
        // Methods to write Binary Serialization Record onto the stream, a record is composed of primitive types
 
        internal void WriteSerializationHeader(int topId, int headerId, int minorVersion, int majorVersion)
        {
            SerializationHeaderRecord record = new SerializationHeaderRecord(BinaryHeaderEnum.SerializedStreamHeader, topId, headerId, minorVersion, majorVersion);
            record.Dump(); 
            record.Write(this);
        } 
 

        internal BinaryMethodCall binaryMethodCall; 
        internal void WriteMethodCall()
        {
            if (binaryMethodCall == null)
                binaryMethodCall = new BinaryMethodCall(); 

            binaryMethodCall.Dump(); 
            binaryMethodCall.Write(this); 
        }
 
        internal Object[] WriteCallArray(String uri, String methodName, String typeName, Type[] instArgs, Object[] args, Object methodSignature, Object callContext, Object[] properties)
        {
            if (binaryMethodCall == null)
                binaryMethodCall = new BinaryMethodCall(); 
            return binaryMethodCall.WriteArray(uri, methodName, typeName, instArgs, args, methodSignature, callContext, properties);
        } 
 
        internal BinaryMethodReturn binaryMethodReturn;
        internal void WriteMethodReturn() 
        {
            if (binaryMethodReturn == null)
                binaryMethodReturn = new BinaryMethodReturn();
            binaryMethodReturn.Dump(); 
            binaryMethodReturn.Write(this);
        } 
 
        internal Object[] WriteReturnArray(Object returnValue, Object[] args, Exception exception, Object callContext, Object[] properties)
        { 
            if (binaryMethodReturn == null)
                binaryMethodReturn = new BinaryMethodReturn();
            return binaryMethodReturn.WriteArray(returnValue, args, exception, callContext, properties);
        } 

        internal BinaryObject binaryObject; 
        internal BinaryObjectWithMap binaryObjectWithMap; 
        internal BinaryObjectWithMapTyped binaryObjectWithMapTyped;
        //internal BinaryCrossAppDomainMap crossAppDomainMap; 

        internal void WriteObject(NameInfo nameInfo, NameInfo typeNameInfo, int numMembers, String[] memberNames, Type[] memberTypes, WriteObjectInfo[] memberObjectInfos)
        {
            InternalWriteItemNull(); 
            int assemId;
#if _DEBUG 
            nameInfo.Dump("WriteObject nameInfo"); 
            typeNameInfo.Dump("WriteObject typeNameInfo");
#endif 

            int objectId = (int)nameInfo.NIobjectId;

            //if (objectId < 0) 
            //  objectId = --m_nestedObjectCount;
 
            if (objectId > 0) 
            {
                BCLDebug.Trace("BINARY", "-----Top Level Object-----"); 
            }

            String objectName = null;
            if (objectId < 0) 
            {
                // Nested Object 
                objectName = typeNameInfo.NIname; 
            }
            else 
            {
                // Non-Nested
                objectName = nameInfo.NIname;
            } 
            SerTrace.Log( this, "WriteObject objectName ",objectName);
 
            if (objectMapTable == null) 
            {
                objectMapTable = new Hashtable(); 
            }

            ObjectMapInfo objectMapInfo = (ObjectMapInfo)objectMapTable[objectName];
 
            if (objectMapInfo != null && objectMapInfo.isCompatible(numMembers, memberNames, memberTypes))
            { 
                // Object 
                if (binaryObject == null)
                    binaryObject = new BinaryObject();			 
                binaryObject.Set(objectId, objectMapInfo.objectId);
#if _DEBUG
                binaryObject.Dump();
#endif 
                binaryObject.Write(this);
            } 
            else if (!typeNameInfo.NItransmitTypeOnObject) 
            {
 
                // ObjectWithMap
                if (binaryObjectWithMap == null)
                    binaryObjectWithMap = new BinaryObjectWithMap();
 
                // BCL types are not placed into table
                assemId = (int)typeNameInfo.NIassemId; 
                binaryObjectWithMap.Set(objectId, objectName, numMembers, memberNames, assemId); 

                binaryObjectWithMap.Dump(); 
                binaryObjectWithMap.Write(this);
                if (objectMapInfo == null)
                    objectMapTable.Add(objectName, new ObjectMapInfo(objectId, numMembers, memberNames, memberTypes));
            } 
            else
            { 
                // ObjectWithMapTyped 
                BinaryTypeEnum[] binaryTypeEnumA = new BinaryTypeEnum[numMembers];
                Object[] typeInformationA = new Object[numMembers]; 
                int[] assemIdA = new int[numMembers];
                for (int i=0; i0) 
            {
                BCLDebug.Trace("BINARY", "-----Top Level Object-----"); 
            }
#if _DEBUG
            binaryArray.Dump();
#endif 
            binaryArray.Write(this);
 
            if (Converter.IsWriteAsByteArray(arrayElemTypeNameInfo.NIprimitiveTypeEnum) && (lowerBound == 0)) 
            {
                //array is written out as an array of bytes 
                if (arrayElemTypeNameInfo.NIprimitiveTypeEnum == InternalPrimitiveTypeE.Byte)
                    WriteBytes((Byte[])array);
                else if (arrayElemTypeNameInfo.NIprimitiveTypeEnum == InternalPrimitiveTypeE.Char)
                    WriteChars((char[])array); 
                else
                    WriteArrayAsBytes(array, Converter.TypeLength(arrayElemTypeNameInfo.NIprimitiveTypeEnum)); 
            } 
        }
 
        byte[] byteBuffer = null;
        int chunkSize = 4096;

        private void WriteArrayAsBytes(Array array, int typeLength) 
        {
            InternalWriteItemNull(); 
            int byteLength = array.Length*typeLength; 
            int arrayOffset = 0;
            if (byteBuffer == null) 
                byteBuffer = new byte[chunkSize];

            while (arrayOffset < array.Length)
            { 
                int numArrayItems = Math.Min(chunkSize/typeLength, array.Length-arrayOffset);
                int bufferUsed = numArrayItems*typeLength; 
                Buffer.InternalBlockCopy(array, arrayOffset*typeLength, byteBuffer, 0, bufferUsed); 
#if BIGENDIAN
                // we know that we are writing a primitive type, so just do a simple swap 
                for (int i = 0; i < bufferUsed; i += typeLength)
                {
                    for (int j = 0; j < typeLength / 2; j++)
                    { 
                        byte tmp = byteBuffer[i + j];
                        byteBuffer[i + j] = byteBuffer[i + typeLength-1 - j]; 
                        byteBuffer[i + typeLength-1 - j] = tmp; 
                    }
                } 
#endif
                WriteBytes(byteBuffer, 0, bufferUsed);
                arrayOffset += numArrayItems;
            } 
        }
 
 
        internal void WriteJaggedArray(NameInfo memberNameInfo, NameInfo arrayNameInfo, WriteObjectInfo objectInfo, NameInfo arrayElemTypeNameInfo, int length, int lowerBound)
        { 
#if _DEBUG
            arrayNameInfo.Dump("WriteRectangleArray arrayNameInfo");
            arrayElemTypeNameInfo.Dump("WriteRectangleArray arrayElemTypeNameInfo");
#endif 
            InternalWriteItemNull();
            BinaryArrayTypeEnum binaryArrayTypeEnum; 
            Int32[] lengthA = new Int32[1]; 
            lengthA[0] = length;
            Int32[] lowerBoundA = null; 
            Object typeInformation = null;
            int assemId = 0;

            if (lowerBound == 0) 
            {
                binaryArrayTypeEnum = BinaryArrayTypeEnum.Jagged; 
            } 
            else
            { 
                binaryArrayTypeEnum = BinaryArrayTypeEnum.JaggedOffset;
                lowerBoundA = new Int32[1];
                lowerBoundA[0] = lowerBound;
            } 

            BinaryTypeEnum binaryTypeEnum = BinaryConverter.GetBinaryTypeInfo(arrayElemTypeNameInfo.NItype, objectInfo, arrayElemTypeNameInfo.NIname, objectWriter, out typeInformation, out assemId); 
 
            if (binaryArray == null)
                binaryArray = new BinaryArray(); 
            binaryArray.Set((int)arrayNameInfo.NIobjectId, (int)1, lengthA, lowerBoundA, binaryTypeEnum, typeInformation, binaryArrayTypeEnum, assemId);

            if (arrayNameInfo.NIobjectId >0)
            { 
                BCLDebug.Trace("BINARY", "-----Top Level Object-----");
            } 
#if _DEBUG 
            binaryArray.Dump();
#endif 
            binaryArray.Write(this);
        }

        internal void WriteRectangleArray(NameInfo memberNameInfo, NameInfo arrayNameInfo, WriteObjectInfo objectInfo, NameInfo arrayElemTypeNameInfo, int rank, int[] lengthA, int[] lowerBoundA) 
        {
#if _DEBUG 
            arrayNameInfo.Dump("WriteRectangleArray arrayNameInfo"); 
            arrayElemTypeNameInfo.Dump("WriteRectangleArray arrayElemTypeNameInfo");
#endif 
            InternalWriteItemNull();

            BinaryArrayTypeEnum binaryArrayTypeEnum = BinaryArrayTypeEnum.Rectangular;
            Object typeInformation = null; 
            int assemId = 0;
            BinaryTypeEnum binaryTypeEnum = BinaryConverter.GetBinaryTypeInfo(arrayElemTypeNameInfo.NItype, objectInfo, arrayElemTypeNameInfo.NIname, objectWriter, out typeInformation, out assemId); 
 
            if (binaryArray == null)
                binaryArray = new BinaryArray(); 

            for (int i=0; i0)
            { 
                BCLDebug.Trace("BINARY", "-----Top Level Object-----"); 
            }
#if _DEBUG 
            binaryArray.Dump();
#endif
            binaryArray.Write(this);
        } 

 
        internal void WriteObjectByteArray(NameInfo memberNameInfo, NameInfo arrayNameInfo, WriteObjectInfo objectInfo, NameInfo arrayElemTypeNameInfo, int length, int lowerBound, Byte[] byteA) 
        {
#if _DEBUG 
            arrayNameInfo.Dump("WriteObjectByteArray arrayNameInfo");
            arrayElemTypeNameInfo.Dump("WriteObjectByteArray arrayElemTypeNameInfo");
#endif
            InternalWriteItemNull(); 
            WriteSingleArray(memberNameInfo, arrayNameInfo, objectInfo, arrayElemTypeNameInfo, length, lowerBound, byteA);
        } 
 
        internal MemberPrimitiveUnTyped memberPrimitiveUnTyped;
        internal MemberPrimitiveTyped memberPrimitiveTyped; 

        internal void WriteMember(NameInfo memberNameInfo, NameInfo typeNameInfo, Object value)
        {
#if _DEBUG 
            SerTrace.Log("BinaryWriter", "Write Member memberName ",memberNameInfo.NIname,", value ",value);
            memberNameInfo.Dump("WriteMember memberNameInfo"); 
            typeNameInfo.Dump("WriteMember typeNameInfo"); 
#endif
            InternalWriteItemNull(); 
            InternalPrimitiveTypeE typeInformation = typeNameInfo.NIprimitiveTypeEnum;

            // Writes Members with primitive values
 
            if (memberNameInfo.NItransmitTypeOnMember)
            { 
                if (memberPrimitiveTyped == null) 
                    memberPrimitiveTyped = new MemberPrimitiveTyped();
                memberPrimitiveTyped.Set((InternalPrimitiveTypeE)typeInformation, value); 

                if (memberNameInfo.NIisArrayItem)
                {
                    BCLDebug.Trace("BINARY",  "-----item-----"); 
                }
                else 
                { 
                    BCLDebug.Trace("BINARY","-----",memberNameInfo.NIname,"-----");
                } 
                memberPrimitiveTyped.Dump();

                memberPrimitiveTyped.Write(this);
            } 
            else
            { 
                if (memberPrimitiveUnTyped == null) 
                    memberPrimitiveUnTyped = new MemberPrimitiveUnTyped();
                memberPrimitiveUnTyped.Set(typeInformation, value); 

                if (memberNameInfo.NIisArrayItem)
                {
                    BCLDebug.Trace("BINARY", "-----item-----"); 
                }
                else 
                { 
                    BCLDebug.Trace("BINARY", "-----",memberNameInfo.NIname,"-----");
                } 
                memberPrimitiveUnTyped.Dump();

                memberPrimitiveUnTyped.Write(this);
 
            }
        } 
 
        internal ObjectNull objectNull;
 

        internal void WriteNullMember(NameInfo memberNameInfo, NameInfo typeNameInfo)
        {
#if _DEBUG 
            typeNameInfo.Dump("WriteNullMember typeNameInfo");
#endif 
            InternalWriteItemNull(); 
            if (objectNull == null)
                objectNull = new ObjectNull(); 

            if (memberNameInfo.NIisArrayItem)
            {
                BCLDebug.Trace("BINARY",  "-----item-----"); 
            }
            else 
            { 
                objectNull.SetNullCount(1);
                BCLDebug.Trace("BINARY", "-----",memberNameInfo.NIname,"-----"); 
                objectNull.Dump();
                objectNull.Write(this);
                nullCount = 0;
            } 
        }
 
        internal MemberReference memberReference; 

        internal void WriteMemberObjectRef(NameInfo memberNameInfo, int idRef) 
        {
            InternalWriteItemNull();
            if (memberReference == null)
                memberReference = new MemberReference(); 
            memberReference.Set(idRef);
 
            if (memberNameInfo.NIisArrayItem) 
            {
                BCLDebug.Trace("BINARY", "-----item-----"); 
            }
            else
            {
                BCLDebug.Trace("BINARY", "-----",memberNameInfo.NIname,"-----"); 
            }
            memberReference.Dump(); 
 
            memberReference.Write(this);
        } 

        internal void WriteMemberNested(NameInfo memberNameInfo)
        {
            InternalWriteItemNull(); 
            if (memberNameInfo.NIisArrayItem)
            { 
                BCLDebug.Trace("BINARY", "-----item-----"); 
            }
            else 
            {
                BCLDebug.Trace("BINARY", "-----",memberNameInfo.NIname,"-----");
            }
        } 

        internal void WriteMemberString(NameInfo memberNameInfo, NameInfo typeNameInfo, String value) 
        { 
            InternalWriteItemNull();
            if (memberNameInfo.NIisArrayItem) 
            {
                BCLDebug.Trace("BINARY", "-----item-----");
            }
            else 
            {
                BCLDebug.Trace("BINARY", "-----",memberNameInfo.NIname,"-----"); 
            } 
            WriteObjectString((int)typeNameInfo.NIobjectId, value);
        } 

        internal void WriteItem(NameInfo itemNameInfo, NameInfo typeNameInfo, Object value)
        {
            InternalWriteItemNull(); 
            WriteMember(itemNameInfo, typeNameInfo, value);
        } 
 
        internal void WriteNullItem(NameInfo itemNameInfo, NameInfo typeNameInfo)
        { 
            nullCount++;
            InternalWriteItemNull();
        }
 
        internal void WriteDelayedNullItem()
        { 
            nullCount++; 
        }
 
        internal void WriteItemEnd()
        {
            InternalWriteItemNull();
        } 

        private void InternalWriteItemNull() 
        { 
            if (nullCount > 0)
            { 
                if (objectNull == null)
                    objectNull = new ObjectNull();
                objectNull.SetNullCount(nullCount);
                BCLDebug.Trace("BINARY",  "-----item-----"); 
                objectNull.Dump();
                objectNull.Write(this); 
                nullCount = 0; 
            }
        } 

        internal void WriteItemObjectRef(NameInfo nameInfo, int idRef)
        {
            InternalWriteItemNull(); 
            WriteMemberObjectRef(nameInfo, idRef);
        } 
 

        internal BinaryAssembly binaryAssembly; 
        internal BinaryCrossAppDomainAssembly crossAppDomainAssembly;

        internal void WriteAssembly(String typeFullName, Type type, String assemblyString, int assemId, bool isNew, bool isInteropType)
        { 
            SerTrace.Log( this,"WriteAssembly type ",type,", id ",assemId,", name ", assemblyString,", isNew ",isNew);
            //If the file being tested wasn't built as an assembly, then we're going to get null back 
            //for the assembly name.  This is very unfortunate. 
            InternalWriteItemNull();
            if (assemblyString==null) 
            {
                assemblyString=String.Empty;
            }
 
            if (isNew)
            { 
                if (binaryAssembly == null) 
                    binaryAssembly = new BinaryAssembly();
                binaryAssembly.Set(assemId, assemblyString); 
                binaryAssembly.Dump();
                binaryAssembly.Write(this);
            }
        } 

        // Method to write a value onto a stream given its primitive type code 
        internal void WriteValue(InternalPrimitiveTypeE code, Object value) 
        {
            SerTrace.Log( this, "WriteValue Entry ",((Enum)code).ToString()," " , ((value==null)?"":value.GetType().ToString()) , " ",value); 

            switch (code)
            {
            case InternalPrimitiveTypeE.Boolean: 
                WriteBoolean(Convert.ToBoolean(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.Byte: 
                WriteByte(Convert.ToByte(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.Char:
                WriteChar(Convert.ToChar(value, CultureInfo.InvariantCulture));
                break;
            case InternalPrimitiveTypeE.Double: 
                WriteDouble(Convert.ToDouble(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.Int16: 
                WriteInt16(Convert.ToInt16(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.Int32:
                WriteInt32(Convert.ToInt32(value, CultureInfo.InvariantCulture));
                break;
            case InternalPrimitiveTypeE.Int64: 
                WriteInt64(Convert.ToInt64(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.SByte: 
                WriteSByte(Convert.ToSByte(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.Single:
                WriteSingle(Convert.ToSingle(value, CultureInfo.InvariantCulture));
                break;
            case InternalPrimitiveTypeE.UInt16: 
                WriteUInt16(Convert.ToUInt16(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.UInt32: 
                WriteUInt32(Convert.ToUInt32(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.UInt64:
                WriteUInt64(Convert.ToUInt64(value, CultureInfo.InvariantCulture));
                break;
            case InternalPrimitiveTypeE.Decimal: 
                WriteDecimal(Convert.ToDecimal(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.TimeSpan: 
                WriteTimeSpan((TimeSpan)value);
                break; 
            case InternalPrimitiveTypeE.DateTime:
                WriteDateTime((DateTime)value);
                break;
            default: 
                throw new SerializationException(String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("Serialization_TypeCode"),((Enum)code).ToString()));
            } 
            SerTrace.Log( this, "Write Exit "); 
        }
    } 

    internal sealed class ObjectMapInfo
    {
        internal int objectId; 
        int numMembers;
        String[] memberNames; 
        Type[] memberTypes; 

        internal ObjectMapInfo(int objectId, int numMembers, String[] memberNames, Type[] memberTypes) 
        {
            this.objectId = objectId;
            this.numMembers = numMembers;
            this.memberNames = memberNames; 
            this.memberTypes = memberTypes;
        } 
 
        internal bool isCompatible(int numMembers, String[] memberNames, Type[] memberTypes)
        { 
            bool result = true;
            if (this.numMembers == numMembers)
            {
                for (int i=0; i 0) 
            {
                BCLDebug.Trace("BINARY", "-----Top Level Object-----"); 
            }

            String objectName = null;
            if (objectId < 0) 
            {
                // Nested Object 
                objectName = typeNameInfo.NIname; 
            }
            else 
            {
                // Non-Nested
                objectName = nameInfo.NIname;
            } 
            SerTrace.Log( this, "WriteObject objectName ",objectName);
 
            if (objectMapTable == null) 
            {
                objectMapTable = new Hashtable(); 
            }

            ObjectMapInfo objectMapInfo = (ObjectMapInfo)objectMapTable[objectName];
 
            if (objectMapInfo != null && objectMapInfo.isCompatible(numMembers, memberNames, memberTypes))
            { 
                // Object 
                if (binaryObject == null)
                    binaryObject = new BinaryObject();			 
                binaryObject.Set(objectId, objectMapInfo.objectId);
#if _DEBUG
                binaryObject.Dump();
#endif 
                binaryObject.Write(this);
            } 
            else if (!typeNameInfo.NItransmitTypeOnObject) 
            {
 
                // ObjectWithMap
                if (binaryObjectWithMap == null)
                    binaryObjectWithMap = new BinaryObjectWithMap();
 
                // BCL types are not placed into table
                assemId = (int)typeNameInfo.NIassemId; 
                binaryObjectWithMap.Set(objectId, objectName, numMembers, memberNames, assemId); 

                binaryObjectWithMap.Dump(); 
                binaryObjectWithMap.Write(this);
                if (objectMapInfo == null)
                    objectMapTable.Add(objectName, new ObjectMapInfo(objectId, numMembers, memberNames, memberTypes));
            } 
            else
            { 
                // ObjectWithMapTyped 
                BinaryTypeEnum[] binaryTypeEnumA = new BinaryTypeEnum[numMembers];
                Object[] typeInformationA = new Object[numMembers]; 
                int[] assemIdA = new int[numMembers];
                for (int i=0; i0) 
            {
                BCLDebug.Trace("BINARY", "-----Top Level Object-----"); 
            }
#if _DEBUG
            binaryArray.Dump();
#endif 
            binaryArray.Write(this);
 
            if (Converter.IsWriteAsByteArray(arrayElemTypeNameInfo.NIprimitiveTypeEnum) && (lowerBound == 0)) 
            {
                //array is written out as an array of bytes 
                if (arrayElemTypeNameInfo.NIprimitiveTypeEnum == InternalPrimitiveTypeE.Byte)
                    WriteBytes((Byte[])array);
                else if (arrayElemTypeNameInfo.NIprimitiveTypeEnum == InternalPrimitiveTypeE.Char)
                    WriteChars((char[])array); 
                else
                    WriteArrayAsBytes(array, Converter.TypeLength(arrayElemTypeNameInfo.NIprimitiveTypeEnum)); 
            } 
        }
 
        byte[] byteBuffer = null;
        int chunkSize = 4096;

        private void WriteArrayAsBytes(Array array, int typeLength) 
        {
            InternalWriteItemNull(); 
            int byteLength = array.Length*typeLength; 
            int arrayOffset = 0;
            if (byteBuffer == null) 
                byteBuffer = new byte[chunkSize];

            while (arrayOffset < array.Length)
            { 
                int numArrayItems = Math.Min(chunkSize/typeLength, array.Length-arrayOffset);
                int bufferUsed = numArrayItems*typeLength; 
                Buffer.InternalBlockCopy(array, arrayOffset*typeLength, byteBuffer, 0, bufferUsed); 
#if BIGENDIAN
                // we know that we are writing a primitive type, so just do a simple swap 
                for (int i = 0; i < bufferUsed; i += typeLength)
                {
                    for (int j = 0; j < typeLength / 2; j++)
                    { 
                        byte tmp = byteBuffer[i + j];
                        byteBuffer[i + j] = byteBuffer[i + typeLength-1 - j]; 
                        byteBuffer[i + typeLength-1 - j] = tmp; 
                    }
                } 
#endif
                WriteBytes(byteBuffer, 0, bufferUsed);
                arrayOffset += numArrayItems;
            } 
        }
 
 
        internal void WriteJaggedArray(NameInfo memberNameInfo, NameInfo arrayNameInfo, WriteObjectInfo objectInfo, NameInfo arrayElemTypeNameInfo, int length, int lowerBound)
        { 
#if _DEBUG
            arrayNameInfo.Dump("WriteRectangleArray arrayNameInfo");
            arrayElemTypeNameInfo.Dump("WriteRectangleArray arrayElemTypeNameInfo");
#endif 
            InternalWriteItemNull();
            BinaryArrayTypeEnum binaryArrayTypeEnum; 
            Int32[] lengthA = new Int32[1]; 
            lengthA[0] = length;
            Int32[] lowerBoundA = null; 
            Object typeInformation = null;
            int assemId = 0;

            if (lowerBound == 0) 
            {
                binaryArrayTypeEnum = BinaryArrayTypeEnum.Jagged; 
            } 
            else
            { 
                binaryArrayTypeEnum = BinaryArrayTypeEnum.JaggedOffset;
                lowerBoundA = new Int32[1];
                lowerBoundA[0] = lowerBound;
            } 

            BinaryTypeEnum binaryTypeEnum = BinaryConverter.GetBinaryTypeInfo(arrayElemTypeNameInfo.NItype, objectInfo, arrayElemTypeNameInfo.NIname, objectWriter, out typeInformation, out assemId); 
 
            if (binaryArray == null)
                binaryArray = new BinaryArray(); 
            binaryArray.Set((int)arrayNameInfo.NIobjectId, (int)1, lengthA, lowerBoundA, binaryTypeEnum, typeInformation, binaryArrayTypeEnum, assemId);

            if (arrayNameInfo.NIobjectId >0)
            { 
                BCLDebug.Trace("BINARY", "-----Top Level Object-----");
            } 
#if _DEBUG 
            binaryArray.Dump();
#endif 
            binaryArray.Write(this);
        }

        internal void WriteRectangleArray(NameInfo memberNameInfo, NameInfo arrayNameInfo, WriteObjectInfo objectInfo, NameInfo arrayElemTypeNameInfo, int rank, int[] lengthA, int[] lowerBoundA) 
        {
#if _DEBUG 
            arrayNameInfo.Dump("WriteRectangleArray arrayNameInfo"); 
            arrayElemTypeNameInfo.Dump("WriteRectangleArray arrayElemTypeNameInfo");
#endif 
            InternalWriteItemNull();

            BinaryArrayTypeEnum binaryArrayTypeEnum = BinaryArrayTypeEnum.Rectangular;
            Object typeInformation = null; 
            int assemId = 0;
            BinaryTypeEnum binaryTypeEnum = BinaryConverter.GetBinaryTypeInfo(arrayElemTypeNameInfo.NItype, objectInfo, arrayElemTypeNameInfo.NIname, objectWriter, out typeInformation, out assemId); 
 
            if (binaryArray == null)
                binaryArray = new BinaryArray(); 

            for (int i=0; i0)
            { 
                BCLDebug.Trace("BINARY", "-----Top Level Object-----"); 
            }
#if _DEBUG 
            binaryArray.Dump();
#endif
            binaryArray.Write(this);
        } 

 
        internal void WriteObjectByteArray(NameInfo memberNameInfo, NameInfo arrayNameInfo, WriteObjectInfo objectInfo, NameInfo arrayElemTypeNameInfo, int length, int lowerBound, Byte[] byteA) 
        {
#if _DEBUG 
            arrayNameInfo.Dump("WriteObjectByteArray arrayNameInfo");
            arrayElemTypeNameInfo.Dump("WriteObjectByteArray arrayElemTypeNameInfo");
#endif
            InternalWriteItemNull(); 
            WriteSingleArray(memberNameInfo, arrayNameInfo, objectInfo, arrayElemTypeNameInfo, length, lowerBound, byteA);
        } 
 
        internal MemberPrimitiveUnTyped memberPrimitiveUnTyped;
        internal MemberPrimitiveTyped memberPrimitiveTyped; 

        internal void WriteMember(NameInfo memberNameInfo, NameInfo typeNameInfo, Object value)
        {
#if _DEBUG 
            SerTrace.Log("BinaryWriter", "Write Member memberName ",memberNameInfo.NIname,", value ",value);
            memberNameInfo.Dump("WriteMember memberNameInfo"); 
            typeNameInfo.Dump("WriteMember typeNameInfo"); 
#endif
            InternalWriteItemNull(); 
            InternalPrimitiveTypeE typeInformation = typeNameInfo.NIprimitiveTypeEnum;

            // Writes Members with primitive values
 
            if (memberNameInfo.NItransmitTypeOnMember)
            { 
                if (memberPrimitiveTyped == null) 
                    memberPrimitiveTyped = new MemberPrimitiveTyped();
                memberPrimitiveTyped.Set((InternalPrimitiveTypeE)typeInformation, value); 

                if (memberNameInfo.NIisArrayItem)
                {
                    BCLDebug.Trace("BINARY",  "-----item-----"); 
                }
                else 
                { 
                    BCLDebug.Trace("BINARY","-----",memberNameInfo.NIname,"-----");
                } 
                memberPrimitiveTyped.Dump();

                memberPrimitiveTyped.Write(this);
            } 
            else
            { 
                if (memberPrimitiveUnTyped == null) 
                    memberPrimitiveUnTyped = new MemberPrimitiveUnTyped();
                memberPrimitiveUnTyped.Set(typeInformation, value); 

                if (memberNameInfo.NIisArrayItem)
                {
                    BCLDebug.Trace("BINARY", "-----item-----"); 
                }
                else 
                { 
                    BCLDebug.Trace("BINARY", "-----",memberNameInfo.NIname,"-----");
                } 
                memberPrimitiveUnTyped.Dump();

                memberPrimitiveUnTyped.Write(this);
 
            }
        } 
 
        internal ObjectNull objectNull;
 

        internal void WriteNullMember(NameInfo memberNameInfo, NameInfo typeNameInfo)
        {
#if _DEBUG 
            typeNameInfo.Dump("WriteNullMember typeNameInfo");
#endif 
            InternalWriteItemNull(); 
            if (objectNull == null)
                objectNull = new ObjectNull(); 

            if (memberNameInfo.NIisArrayItem)
            {
                BCLDebug.Trace("BINARY",  "-----item-----"); 
            }
            else 
            { 
                objectNull.SetNullCount(1);
                BCLDebug.Trace("BINARY", "-----",memberNameInfo.NIname,"-----"); 
                objectNull.Dump();
                objectNull.Write(this);
                nullCount = 0;
            } 
        }
 
        internal MemberReference memberReference; 

        internal void WriteMemberObjectRef(NameInfo memberNameInfo, int idRef) 
        {
            InternalWriteItemNull();
            if (memberReference == null)
                memberReference = new MemberReference(); 
            memberReference.Set(idRef);
 
            if (memberNameInfo.NIisArrayItem) 
            {
                BCLDebug.Trace("BINARY", "-----item-----"); 
            }
            else
            {
                BCLDebug.Trace("BINARY", "-----",memberNameInfo.NIname,"-----"); 
            }
            memberReference.Dump(); 
 
            memberReference.Write(this);
        } 

        internal void WriteMemberNested(NameInfo memberNameInfo)
        {
            InternalWriteItemNull(); 
            if (memberNameInfo.NIisArrayItem)
            { 
                BCLDebug.Trace("BINARY", "-----item-----"); 
            }
            else 
            {
                BCLDebug.Trace("BINARY", "-----",memberNameInfo.NIname,"-----");
            }
        } 

        internal void WriteMemberString(NameInfo memberNameInfo, NameInfo typeNameInfo, String value) 
        { 
            InternalWriteItemNull();
            if (memberNameInfo.NIisArrayItem) 
            {
                BCLDebug.Trace("BINARY", "-----item-----");
            }
            else 
            {
                BCLDebug.Trace("BINARY", "-----",memberNameInfo.NIname,"-----"); 
            } 
            WriteObjectString((int)typeNameInfo.NIobjectId, value);
        } 

        internal void WriteItem(NameInfo itemNameInfo, NameInfo typeNameInfo, Object value)
        {
            InternalWriteItemNull(); 
            WriteMember(itemNameInfo, typeNameInfo, value);
        } 
 
        internal void WriteNullItem(NameInfo itemNameInfo, NameInfo typeNameInfo)
        { 
            nullCount++;
            InternalWriteItemNull();
        }
 
        internal void WriteDelayedNullItem()
        { 
            nullCount++; 
        }
 
        internal void WriteItemEnd()
        {
            InternalWriteItemNull();
        } 

        private void InternalWriteItemNull() 
        { 
            if (nullCount > 0)
            { 
                if (objectNull == null)
                    objectNull = new ObjectNull();
                objectNull.SetNullCount(nullCount);
                BCLDebug.Trace("BINARY",  "-----item-----"); 
                objectNull.Dump();
                objectNull.Write(this); 
                nullCount = 0; 
            }
        } 

        internal void WriteItemObjectRef(NameInfo nameInfo, int idRef)
        {
            InternalWriteItemNull(); 
            WriteMemberObjectRef(nameInfo, idRef);
        } 
 

        internal BinaryAssembly binaryAssembly; 
        internal BinaryCrossAppDomainAssembly crossAppDomainAssembly;

        internal void WriteAssembly(String typeFullName, Type type, String assemblyString, int assemId, bool isNew, bool isInteropType)
        { 
            SerTrace.Log( this,"WriteAssembly type ",type,", id ",assemId,", name ", assemblyString,", isNew ",isNew);
            //If the file being tested wasn't built as an assembly, then we're going to get null back 
            //for the assembly name.  This is very unfortunate. 
            InternalWriteItemNull();
            if (assemblyString==null) 
            {
                assemblyString=String.Empty;
            }
 
            if (isNew)
            { 
                if (binaryAssembly == null) 
                    binaryAssembly = new BinaryAssembly();
                binaryAssembly.Set(assemId, assemblyString); 
                binaryAssembly.Dump();
                binaryAssembly.Write(this);
            }
        } 

        // Method to write a value onto a stream given its primitive type code 
        internal void WriteValue(InternalPrimitiveTypeE code, Object value) 
        {
            SerTrace.Log( this, "WriteValue Entry ",((Enum)code).ToString()," " , ((value==null)?"":value.GetType().ToString()) , " ",value); 

            switch (code)
            {
            case InternalPrimitiveTypeE.Boolean: 
                WriteBoolean(Convert.ToBoolean(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.Byte: 
                WriteByte(Convert.ToByte(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.Char:
                WriteChar(Convert.ToChar(value, CultureInfo.InvariantCulture));
                break;
            case InternalPrimitiveTypeE.Double: 
                WriteDouble(Convert.ToDouble(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.Int16: 
                WriteInt16(Convert.ToInt16(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.Int32:
                WriteInt32(Convert.ToInt32(value, CultureInfo.InvariantCulture));
                break;
            case InternalPrimitiveTypeE.Int64: 
                WriteInt64(Convert.ToInt64(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.SByte: 
                WriteSByte(Convert.ToSByte(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.Single:
                WriteSingle(Convert.ToSingle(value, CultureInfo.InvariantCulture));
                break;
            case InternalPrimitiveTypeE.UInt16: 
                WriteUInt16(Convert.ToUInt16(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.UInt32: 
                WriteUInt32(Convert.ToUInt32(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.UInt64:
                WriteUInt64(Convert.ToUInt64(value, CultureInfo.InvariantCulture));
                break;
            case InternalPrimitiveTypeE.Decimal: 
                WriteDecimal(Convert.ToDecimal(value, CultureInfo.InvariantCulture));
                break; 
            case InternalPrimitiveTypeE.TimeSpan: 
                WriteTimeSpan((TimeSpan)value);
                break; 
            case InternalPrimitiveTypeE.DateTime:
                WriteDateTime((DateTime)value);
                break;
            default: 
                throw new SerializationException(String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("Serialization_TypeCode"),((Enum)code).ToString()));
            } 
            SerTrace.Log( this, "Write Exit "); 
        }
    } 

    internal sealed class ObjectMapInfo
    {
        internal int objectId; 
        int numMembers;
        String[] memberNames; 
        Type[] memberTypes; 

        internal ObjectMapInfo(int objectId, int numMembers, String[] memberNames, Type[] memberTypes) 
        {
            this.objectId = objectId;
            this.numMembers = numMembers;
            this.memberNames = memberNames; 
            this.memberTypes = memberTypes;
        } 
 
        internal bool isCompatible(int numMembers, String[] memberNames, Type[] memberTypes)
        { 
            bool result = true;
            if (this.numMembers == numMembers)
            {
                for (int i=0; i

                        

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