ObjectMap.cs

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using System.Diagnostics.CodeAnalysis;
 
namespace System.Runtime.Serialization.Formatters.Binary;
 
internal sealed class ObjectMap
{
    internal string _objectName;
 
    internal Type _objectType;
 
    internal BinaryTypeEnum[] _binaryTypeEnumA;
 
    internal object[] _typeInformationA;
 
    internal Type[] _memberTypes;
 
    internal string[] _memberNames;
 
    internal ReadObjectInfo _objectInfo;
 
    internal bool _isInitObjectInfo = true;
 
    internal ObjectReader _objectReader;
 
    internal int _objectId;
 
    internal BinaryAssemblyInfo _assemblyInfo;
 
    internal ObjectMap(string objectName, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.All)] Type objectType, string[] memberNames, ObjectReader objectReader, int objectId, BinaryAssemblyInfo assemblyInfo)
    {
        _objectName = objectName;
        _objectType = objectType;
        _memberNames = memberNames;
        _objectReader = objectReader;
        _objectId = objectId;
        _assemblyInfo = assemblyInfo;
        _objectInfo = objectReader.CreateReadObjectInfo(objectType);
        _memberTypes = _objectInfo.GetMemberTypes(memberNames, objectType);
        _binaryTypeEnumA = new BinaryTypeEnum[_memberTypes.Length];
        _typeInformationA = new object[_memberTypes.Length];
        for (int i = 0; i < _memberTypes.Length; i++)
        {
            object typeInformation;
            BinaryTypeEnum parserBinaryTypeInfo = BinaryTypeConverter.GetParserBinaryTypeInfo(_memberTypes[i], out typeInformation);
            _binaryTypeEnumA[i] = parserBinaryTypeInfo;
            _typeInformationA[i] = typeInformation;
        }
    }
 
    [RequiresUnreferencedCode("Types might be removed")]
    internal ObjectMap(string objectName, string[] memberNames, BinaryTypeEnum[] binaryTypeEnumA, object[] typeInformationA, int[] memberAssemIds, ObjectReader objectReader, int objectId, BinaryAssemblyInfo assemblyInfo, SizedArray assemIdToAssemblyTable)
    {
        _objectName = objectName;
        _memberNames = memberNames;
        _binaryTypeEnumA = binaryTypeEnumA;
        _typeInformationA = typeInformationA;
        _objectReader = objectReader;
        _objectId = objectId;
        _assemblyInfo = assemblyInfo;
        if (assemblyInfo == null)
        {
            throw new SerializationException(System.SR.Format(System.SR.Serialization_Assembly, objectName));
        }
        _objectType = objectReader.GetType(assemblyInfo, objectName);
        _memberTypes = new Type[memberNames.Length];
        for (int i = 0; i < memberNames.Length; i++)
        {
            BinaryTypeConverter.TypeFromInfo(binaryTypeEnumA[i], typeInformationA[i], objectReader, (BinaryAssemblyInfo)assemIdToAssemblyTable[memberAssemIds[i]], out var _, out var _, out var type, out var _);
            _memberTypes[i] = type;
        }
        _objectInfo = objectReader.CreateReadObjectInfo(_objectType, memberNames, null);
        if (!_objectInfo._isSi)
        {
            _objectInfo.GetMemberTypes(memberNames, _objectInfo._objectType);
        }
    }
 
    internal ReadObjectInfo CreateObjectInfo(ref SerializationInfo si, ref object[] memberData)
    {
        if (_isInitObjectInfo)
        {
            _isInitObjectInfo = false;
            _objectInfo.InitDataStore(ref si, ref memberData);
            return _objectInfo;
        }
        _objectInfo.PrepareForReuse();
        _objectInfo.InitDataStore(ref si, ref memberData);
        return _objectInfo;
    }
 
    internal static ObjectMap Create(string name, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.All)] Type objectType, string[] memberNames, ObjectReader objectReader, int objectId, BinaryAssemblyInfo assemblyInfo)
    {
        return new ObjectMap(name, objectType, memberNames, objectReader, objectId, assemblyInfo);
    }
 
    [RequiresUnreferencedCode("Types might be removed")]
    internal static ObjectMap Create(string name, string[] memberNames, BinaryTypeEnum[] binaryTypeEnumA, object[] typeInformationA, int[] memberAssemIds, ObjectReader objectReader, int objectId, BinaryAssemblyInfo assemblyInfo, SizedArray assemIdToAssemblyTable)
    {
        return new ObjectMap(name, memberNames, binaryTypeEnumA, typeInformationA, memberAssemIds, objectReader, objectId, assemblyInfo, assemIdToAssemblyTable);
    }
}