internal void EnsureNativeType(byte nativeType)
{
if (ReadBssomType() != BssomType.NativeCode || ReadBssomType() != nativeType)
{
BssomSerializationOperationException.UnexpectedCodeRead(Position);
}
}
internal void EnsureNativeTypeWithSkipBlankCharacter(byte nativeType)
{
if (SkipBlankCharacterAndReadBssomType() != BssomType.NativeCode || ReadBssomType() != nativeType)
{
BssomSerializationOperationException.UnexpectedCodeRead(Position);
}
}
public void EnsureType(byte buildInType)
{
byte t = ReadOne <byte>();
if (t != buildInType)
{
BssomSerializationOperationException.UnexpectedCodeRead(t, Position);
}
}
internal void EnsureMapToken(BssMapRouteToken token)
{
BssMapRouteToken t = ReadOne <BssMapRouteToken>();
if (t != token)
{
BssomSerializationOperationException.UnexpectedCodeRead((byte)t, Position);
}
}
internal void SkipBlankCharacterAndEnsureType(byte buildInType)
{
byte t = SkipBlankCharacterAndReadBssomType();
if (t != buildInType)
{
BssomSerializationOperationException.UnexpectedCodeRead(t, Position);
}
}
public int GetCurrentArrayIndex()
{
if (curIsMapKey)
{
BssomSerializationOperationException.InputTypeAndDataIsInconsistent(GetCurrentSegmentString(), "Array");
}
return(aryIndexNumber);
}
public int CurrentArrayIndex()
{
Entry entry = entries.Current;
if (entry.ValueIsMapKey)
{
BssomSerializationOperationException.InputTypeAndDataIsInconsistent(entry.Value.ToString(), "Array");
}
return((int)entry.Value);
}
public object CurrentMapKey()
{
Entry entry = entries.Current;
if (!entry.ValueIsMapKey)
{
BssomSerializationOperationException.InputTypeAndDataIsInconsistent(entry.Value.ToString(), "Map");
}
return(entry.Value);
}
/// <summary>
/// <para>将给定的值序列化到<paramref name="stream"/>中</para>
/// <para>Serializes a given value with the specified <paramref name="stream"/></para>
/// </summary>
/// <param name="context">序列化所需要的上下文. The context required for the serialization </param>
/// <param name="value">要序列化的值. The value to serialize</param>
/// <param name="stream">要序列化的流. The stream to serialize with</param>
public static void Serialize <T>(ref BssomSerializeContext context, T value, Stream stream)
{
using (ExpandableBufferWriter buffer = ExpandableBufferWriter.CreateGlobar())
{
Serialize(ref context, value, buffer);
try
{
buffer.CopyTo(stream, context.CancellationToken);
}
catch (Exception ex)
{
BssomSerializationOperationException.CopyStreamError(ex);
}
}
}
public unsafe UInt64BytesISegment GetCurrentSegmentFromMap2StringKey()
{
if (!curIsMapKey)
{
BssomSerializationOperationException.InputTypeAndDataIsInconsistent(GetCurrentSegmentString(), "Map");
}
byte[] buffer = GetBuffer(UTF8Encoding.UTF8.GetMaxByteCount(mapKeyLength));
fixed(char *pChar = _str) fixed(byte *pByte = &buffer[0])
{
int length = UTF8Encoding.UTF8.GetBytes(pChar + mapKeyIndex, mapKeyLength, pByte, buffer.Length);
return(new UInt64BytesISegment(buffer, length));
}
}
internal bool TryReadNullWithEnsureBuildInType(byte buildInType)
{
byte type = SkipBlankCharacterAndPeekBssomType();
if (type == BssomType.NullCode)
{
BssomBuffer.SeekWithOutVerify(BssomBinaryPrimitives.NullSize, BssomSeekOrgin.Current);
return(true);
}
else if (type == buildInType)
{
BssomBuffer.SeekWithOutVerify(BssomBinaryPrimitives.BuildInTypeCodeSize, BssomSeekOrgin.Current);
return(false);
}
return(BssomSerializationOperationException.UnexpectedCodeRead <bool>(type, Position));
}
internal DateTime ReadDateTime()
{
byte type = SkipBlankCharacterAndReadBssomType();
switch (type)
{
case BssomType.TimestampCode:
return(ReadStandDateTimeWithOutTypeHead());
case BssomType.NativeCode:
EnsureType(NativeBssomType.DateTimeCode);
return(ReadNativeDateTimeWithOutTypeHead());
default:
throw BssomSerializationOperationException.UnexpectedCodeRead(type, BssomBuffer.Position);
}
}
internal void SkipStandDateTimeWithOutTypeHead()
{
byte code = BssomBuffer.ReadRef(1);
if (code == 4)
{
BssomBuffer.Seek(5, BssomSeekOrgin.Current);
}
else if (code == 8)
{
BssomBuffer.Seek(9, BssomSeekOrgin.Current);
}
else if (code == 12)
{
BssomBuffer.Seek(13, BssomSeekOrgin.Current);
}
else
{
throw BssomSerializationOperationException.UnexpectedCodeRead(code, BssomBuffer.Position);
}
}
/// <summary>
/// <para>异步的将给定的值序列化到<paramref name="stream"/>中</para>
/// <para>Asynchronously serializes a given value with the specified <paramref name="stream"/></para>
/// </summary>
/// <param name="stream">要序列化的流. The stream to serialize with</param>
/// <param name="value">要序列化的值. The value to serialize</param>
/// <param name="option">使用的配置,如果为<c>null</c>,则使用默认配置. The options. Use <c>null</c> to use default options</param>
/// <param name="cancellationToken">取消该操作的令牌. The token to cancel the operation</param>
/// <returns>具有序列化值的字节数组. A byte array with the serialized value</returns>
public static async Task SerializeAsync <T>(Stream stream, T value, BssomSerializerOptions option = null, CancellationToken cancellationToken = default)
{
if (option == null)
{
option = BssomSerializerOptions.Default;
}
BssomSerializeContext context = new BssomSerializeContext(option, cancellationToken);
using (ExpandableBufferWriter buffer = ExpandableBufferWriter.CreateGlobar())
{
Serialize(ref context, value, buffer);
try
{
await buffer.CopyToAsync(stream, context.CancellationToken);
}
catch (Exception ex)
{
BssomSerializationOperationException.CopyStreamError(ex);
}
}
}
private int GetSizeOfOneObjectToBuffer()
{
int size;
byte objType = GetBssomTypeFromStreamPack.Get(stream, buffer);
buffer[0] = objType;
position++;
if (!BssomBinaryPrimitives.TryGetPrimitiveTypeSizeFromStaticTypeSizes(objType,
out size))
{
switch (objType)
{
case BssomType.StringCode:
size = (int)ReadVariableNumberCore();
break;
case BssomType.NativeCode:
{
ReadStreamToBuffer(1);
objType = buffer[position - 1];
if (objType == NativeBssomType.CharCode)
{
size = BssomBinaryPrimitives.CharSize;
}
else if (objType == NativeBssomType.DateTimeCode)
{
size = BssomBinaryPrimitives.NativeDateTimeSize;
}
else if (objType == NativeBssomType.DecimalCode)
{
size = BssomBinaryPrimitives.DecimalSize;
}
else if (objType == NativeBssomType.GuidCode)
{
size = BssomBinaryPrimitives.GuidSize;
}
else
{
throw BssomSerializationOperationException.UnexpectedCodeRead(objType);
}
break;
}
case BssomType.Map1:
case BssomType.Map2:
case BssomType.Array2:
size = (int)ReadVariableNumberCore();
break;
case BssomType.Array1:
{
ReadStreamToBuffer(1);
if (buffer[position - 1] /*elementType*/ == BssomType.NativeCode)
{
ReadStreamToBuffer(1);
}
size = (int)ReadVariableNumberCore();
break;
}
default:
throw BssomSerializationOperationException.UnexpectedCodeRead(objType);
}
}
return(size);
}
public static BssomFieldOffsetInfo IndexOf(IBssomBuffer buffer, IIndexOfInputSource indexOfInputSource)
{
if (buffer is null)
{
throw new ArgumentNullException(nameof(buffer));
}
if (indexOfInputSource is null)
{
throw new ArgumentNullException(nameof(indexOfInputSource));
}
BssomReader reader = new BssomReader(buffer);
BssomFieldOffsetInfo info = new BssomFieldOffsetInfo();
indexOfInputSource.Reset();
if (!indexOfInputSource.MoveNext())
{
throw BssomSerializationOperationException.InputDataSouceIsEmpty();
}
Next:
byte bssOjectType = reader.SkipBlankCharacterAndReadBssomType();
switch (bssOjectType)
{
case BssomType.Map1:
{
object key = indexOfInputSource.CurrentMapKey();
if (!BssMapKeyResolverProvider.TryGetBssMapKeyResolver(key.GetType(), out IBssMapKeyResolver resolver))
{
throw BssomSerializationTypeFormatterException.BssomMapKeyUnsupportedType(key.GetType());
}
reader.SkipVariableNumber(); //Skip Length
int count = reader.ReadVariableNumber();
Raw64BytesISegment keyISegment = resolver.GetMap1KeySegment(key);
for (int i = 0; i < count; i++)
{
int keyLength = reader.GetMap1KeyLength();
if (keyISegment.DataLen != keyLength)
{
reader.BssomBuffer.Seek(keyLength, BssomSeekOrgin.Current); //Advance Key
reader.SkipObject(); //Skip Value
continue;
}
//determine if the key is equal
bool keyIsEqual = true;
for (int z = 0; z < keyISegment.Length; z++)
{
if (keyISegment[z] != reader.ReadRaw64(ref keyLength))
{
reader.BssomBuffer.Seek(keyLength, BssomSeekOrgin.Current); //Advance remaining keyLength
reader.SkipObject(); //Skip Value
keyIsEqual = false;
break;
}
}
if (keyIsEqual)
{
if (!indexOfInputSource.MoveNext())
{
info.Offset = reader.Position;
info.IsArray1Type = false;
return(info);
}
else
{
goto Next;
}
}
}
if (indexOfInputSource.MoveNext())
{
throw BssomSerializationOperationException.BssomMapIsNull(key);
}
info.Offset = -1;
return(info);
}
case BssomType.Map2:
{
object key = indexOfInputSource.CurrentMapKey();
if (!BssMapKeyResolverProvider.TryGetBssMapKeyResolver(key.GetType(), out IBssMapKeyResolver resolver))
{
throw BssomSerializationTypeFormatterException.BssomMapKeyUnsupportedType(key.GetType());
}
UInt64BytesISegment keyISegment = resolver.GetMap2KeySegment(key);
BssMapHeadPackInfo aprp = BssMapHeadPackInfo.Create(ref reader);
if (aprp.MapHead.ElementCount > 0)
{
ref byte refb = ref reader.BssomBuffer.TryReadFixedRef(aprp.MapHead.RouteLength, out bool haveEnoughSizeAndCanBeFixed);
if (haveEnoughSizeAndCanBeFixed)
{
if (BssMapObjMarshalReader.TrySeek(keyISegment, resolver.KeyType, resolver.KeyIsNativeType, ref aprp, ref reader, ref refb))
{
if (!indexOfInputSource.MoveNext())
{
info.Offset = reader.Position;
info.IsArray1Type = false;
return(info);
}
else
{
goto Next;
}
}
}
else
{
if (BssMapObjMarshalReader.TrySeekSlow(keyISegment, resolver.KeyType, resolver.KeyIsNativeType, ref aprp, ref reader))
{
if (!indexOfInputSource.MoveNext())
{
info.Offset = reader.Position;
info.IsArray1Type = false;
return(info);
}
else
{
goto Next;
}
}
}
}
if (indexOfInputSource.MoveNext())
{
throw BssomSerializationOperationException.BssomMapIsNull(key);
}
info.Offset = -1;
return(info);
}
