|
static private DecodeValue ( System.ByteBuffer buffer, |
||
| buffer | System.ByteBuffer | |
| formatCode | ||
| return | decimal | |
public static decimal?Decode(ByteBuffer buffer, FormatCode formatCode)
{
if (formatCode == 0 && (formatCode = AmqpEncoding.ReadFormatCode(buffer)) == FormatCode.Null)
{
return(null);
}
return(DecimalEncoding.DecodeValue(buffer, formatCode));
}
static T[] Decode <T>(ByteBuffer buffer, int size, int count, FormatCode formatCode)
{
object descriptor = null;
if (formatCode == FormatCode.Described)
{
descriptor = AmqpEncoding.DecodeObject(buffer);
formatCode = AmqpEncoding.ReadFormatCode(buffer);
}
// Special cases for primitive types
switch (formatCode)
{
case FormatCode.UInt0:
case FormatCode.SmallUInt:
return((T[])DecodeArray <uint>(buffer, formatCode, count, (b, f) => UIntEncoding.Decode(b, f).Value));
case FormatCode.UInt:
return((T[])DecodeArray <uint>(buffer, formatCode, count, (b, f) => AmqpBitConverter.ReadUInt(b)));
case FormatCode.SmallInt:
return((T[])DecodeArray <int>(buffer, formatCode, count, (b, f) => IntEncoding.Decode(b, f).Value));
case FormatCode.Int:
return((T[])DecodeArray <int>(buffer, formatCode, count, (b, f) => AmqpBitConverter.ReadInt(b)));
case FormatCode.ULong0:
case FormatCode.SmallULong:
return((T[])DecodeArray <ulong>(buffer, formatCode, count, (b, f) => ULongEncoding.Decode(b, f).Value));
case FormatCode.ULong:
return((T[])DecodeArray <ulong>(buffer, formatCode, count, (b, f) => AmqpBitConverter.ReadULong(b)));
case FormatCode.SmallLong:
return((T[])DecodeArray <long>(buffer, formatCode, count, (b, f) => LongEncoding.Decode(b, f).Value));
case FormatCode.Long:
return((T[])DecodeArray <long>(buffer, formatCode, count, (b, f) => AmqpBitConverter.ReadLong(b)));
case FormatCode.Symbol8:
case FormatCode.Symbol32:
return((T[])DecodeArray <AmqpSymbol>(buffer, formatCode, count, (b, f) => SymbolEncoding.Decode(b, f)));
case FormatCode.Boolean:
return((T[])DecodeArray <bool>(buffer, formatCode, count, (b, f) => AmqpBitConverter.ReadUByte(b) > 0));
case FormatCode.UByte:
return((T[])DecodeArray <byte>(buffer, formatCode, count, (b, f) => AmqpBitConverter.ReadUByte(b)));
case FormatCode.Byte:
return((T[])DecodeArray <sbyte>(buffer, formatCode, count, (b, f) => AmqpBitConverter.ReadByte(b)));
case FormatCode.UShort:
return((T[])DecodeArray <ushort>(buffer, formatCode, count, (b, f) => AmqpBitConverter.ReadUShort(b)));
case FormatCode.Short:
return((T[])DecodeArray <short>(buffer, formatCode, count, (b, f) => AmqpBitConverter.ReadShort(b)));
case FormatCode.Float:
return((T[])DecodeArray <float>(buffer, formatCode, count, (b, f) => AmqpBitConverter.ReadFloat(b)));
case FormatCode.Double:
return((T[])DecodeArray <double>(buffer, formatCode, count, (b, f) => AmqpBitConverter.ReadDouble(b)));
case FormatCode.Decimal32:
case FormatCode.Decimal64:
case FormatCode.Decimal128:
return((T[])DecodeArray <decimal>(buffer, formatCode, count, (b, f) => DecimalEncoding.DecodeValue(b, f)));
case FormatCode.Char:
return((T[])DecodeArray <char>(buffer, formatCode, count, (b, f) => AmqpBitConverter.ReadChar(b)));
case FormatCode.TimeStamp:
return((T[])DecodeArray <DateTime>(buffer, formatCode, count, (b, f) => AmqpBitConverter.ReadTimestamp(b)));
case FormatCode.Uuid:
return((T[])DecodeArray <Guid>(buffer, formatCode, count, (b, f) => AmqpBitConverter.ReadUuid(b)));
default:
break;
}
// General path
EncodingBase encoding = AmqpEncoding.GetEncoding(formatCode);
T[] array = new T[count];
for (int i = 0; i < count; ++i)
{
object value = encoding.DecodeObject(buffer, formatCode);
if (descriptor != null)
{
value = new DescribedType(descriptor, value);
}
array[i] = (T)value;
}
return(array);
}