| public static GetEncoding ( FormatCode formatCode ) : EncodingBase | ||
| formatCode | FormatCode | |
| return | EncodingBase | |
static T[] Decode <T>(ByteBuffer buffer, int size, int count, FormatCode formatCode)
{
T[] array = new T[count];
EncodingBase encoding = AmqpEncoding.GetEncoding(formatCode);
object descriptor = null;
if (formatCode == FormatCode.Described)
{
descriptor = AmqpEncoding.DecodeObject(buffer);
formatCode = AmqpEncoding.ReadFormatCode(buffer);
}
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);
}
static void Encode(Array value, int width, int encodeSize, ByteBuffer buffer)
{
encodeSize -= FixedWidth.FormatCode + width;
if (width == FixedWidth.UByte)
{
AmqpBitConverter.WriteUByte(buffer, (byte)encodeSize);
AmqpBitConverter.WriteUByte(buffer, (byte)value.Length);
}
else
{
AmqpBitConverter.WriteUInt(buffer, (uint)encodeSize);
AmqpBitConverter.WriteUInt(buffer, (uint)value.Length);
}
if (value.Length > 0)
{
object firstItem = value.GetValue(0);
EncodingBase encoding = AmqpEncoding.GetEncoding(firstItem);
AmqpBitConverter.WriteUByte(buffer, encoding.FormatCode);
if (encoding.FormatCode == FormatCode.Described)
{
DescribedType describedValue = (DescribedType)firstItem;
AmqpEncoding.EncodeObject(describedValue.Descriptor, buffer);
AmqpBitConverter.WriteUByte(buffer, AmqpEncoding.GetEncoding(describedValue.Value).FormatCode);
}
foreach (object item in value)
{
encoding.EncodeObject(item, true, buffer);
}
}
}
static int GetValueSize(Array value, Type type)
{
if (value.Length == 0)
{
return(0);
}
if (type == null)
{
type = value.GetValue(0).GetType();
}
EncodingBase encoding = AmqpEncoding.GetEncoding(type);
int valueSize = 0;
foreach (object item in value)
{
bool arrayEncoding = true;
if (encoding.FormatCode == FormatCode.Described && valueSize == 0)
{
arrayEncoding = false;
}
valueSize += encoding.GetObjectEncodeSize(item, arrayEncoding);
}
return(valueSize);
}
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);
}
internal static void EncodeValue(IList value, int count, Type itemType, ByteBuffer buffer)
{
if (count == 0)
{
return;
}
EncodingBase encoding = AmqpEncoding.GetEncoding(itemType);
switch (encoding.FormatCode)
{
case FormatCode.UInt:
EncodeArray <uint>(buffer, (IList <uint>)value, count, FormatCode.UInt, (b, v, i) => AmqpBitConverter.WriteUInt(b, v));
return;
case FormatCode.Int:
buffer.Validate(true, FixedWidth.Int * count);
EncodeArray <int>(buffer, (IList <int>)value, count, FormatCode.Int, (b, v, i) =>
{
AmqpBitConverter.WriteInt(b.Buffer, b.WritePos + i * FixedWidth.Int, v);
});
buffer.Append(FixedWidth.Int * count);
return;
case FormatCode.ULong:
EncodeArray <ulong>(buffer, (IList <ulong>)value, count, FormatCode.ULong, (b, v, i) => AmqpBitConverter.WriteULong(b, v));
return;
case FormatCode.Long:
EncodeArray <long>(buffer, (IList <long>)value, count, FormatCode.Long, (b, v, i) => AmqpBitConverter.WriteLong(b, v));
return;
case FormatCode.Symbol32:
EncodeArray <AmqpSymbol>(buffer, (IList <AmqpSymbol>)value, count, FormatCode.Symbol32, (b, v, i) => SymbolEncoding.EncodeValue(v, FormatCode.Symbol32, b));
return;
case FormatCode.Boolean:
EncodeArray <bool>(buffer, (IList <bool>)value, count, FormatCode.Boolean, (b, v, i) => AmqpBitConverter.WriteUByte(b, (byte)(v ? 1 : 0)));
return;
case FormatCode.UByte:
EncodeArray <byte>(buffer, (IList <byte>)value, count, FormatCode.UByte, (b, v, i) => AmqpBitConverter.WriteUByte(b, v));
return;
case FormatCode.Byte:
EncodeArray <sbyte>(buffer, (IList <sbyte>)value, count, FormatCode.Byte, (b, v, i) => AmqpBitConverter.WriteByte(b, v));
return;
case FormatCode.UShort:
EncodeArray <ushort>(buffer, (IList <ushort>)value, count, FormatCode.UShort, (b, v, i) => AmqpBitConverter.WriteUShort(b, v));
return;
case FormatCode.Short:
EncodeArray <short>(buffer, (IList <short>)value, count, FormatCode.Short, (b, v, i) => AmqpBitConverter.WriteShort(b, v));
return;
case FormatCode.Float:
EncodeArray <float>(buffer, (IList <float>)value, count, FormatCode.Float, (b, v, i) => AmqpBitConverter.WriteFloat(b, v));
return;
case FormatCode.Double:
EncodeArray <double>(buffer, (IList <double>)value, count, FormatCode.Double, (b, v, i) => AmqpBitConverter.WriteDouble(b, v));
return;
case FormatCode.Decimal128:
EncodeArray <decimal>(buffer, (IList <decimal>)value, count, FormatCode.Decimal128, (b, v, i) => DecimalEncoding.EncodeValue(v, b));
return;
case FormatCode.Char:
EncodeArray <char>(buffer, (IList <char>)value, count, FormatCode.Char, (b, v, i) => AmqpBitConverter.WriteChar(b, v));
return;
case FormatCode.TimeStamp:
EncodeArray <DateTime>(buffer, (IList <DateTime>)value, count, FormatCode.TimeStamp, (b, v, i) => AmqpBitConverter.WriteTimestamp(b, v));
return;
case FormatCode.Uuid:
EncodeArray <Guid>(buffer, (IList <Guid>)value, count, FormatCode.Uuid, (b, v, i) => AmqpBitConverter.WriteUuid(b, v));
return;
default:
break;
}
object firstItem = value[0];
AmqpBitConverter.WriteUByte(buffer, encoding.FormatCode);
if (encoding.FormatCode == FormatCode.Described)
{
DescribedType describedValue = (DescribedType)firstItem;
AmqpEncoding.EncodeObject(describedValue.Descriptor, buffer);
AmqpBitConverter.WriteUByte(buffer, AmqpEncoding.GetEncoding(describedValue.Value).FormatCode);
}
for (int i = 0; i < count; i++)
{
encoding.EncodeObject(value[i], true, buffer);
}
}
internal static int GetValueSize(IList value, int count, Type itemType)
{
if (count == 0)
{
return(0);
}
Fx.Assert(itemType != null, "Item type must be provided.");
var encoding = AmqpEncoding.GetEncoding(itemType);
switch (encoding.FormatCode)
{
case FormatCode.UInt:
return(count * FixedWidth.UInt);
case FormatCode.Int:
return(count * FixedWidth.Int);
case FormatCode.ULong:
return(count * FixedWidth.ULong);
case FormatCode.Long:
return(count * FixedWidth.Long);
case FormatCode.Symbol32:
IList <AmqpSymbol> symbols = (IList <AmqpSymbol>)value;
int size = 0;
for (int i = 0; i < value.Count; i++)
{
size += FixedWidth.UInt + SymbolEncoding.GetValueSize(symbols[i]);
}
return(size);
case FormatCode.Boolean:
return(count * FixedWidth.Boolean);
case FormatCode.UByte:
return(count * FixedWidth.UByte);
case FormatCode.Byte:
return(count * FixedWidth.Byte);
case FormatCode.UShort:
return(count * FixedWidth.UShort);
case FormatCode.Short:
return(count * FixedWidth.Short);
case FormatCode.Float:
return(count * FixedWidth.Float);
case FormatCode.Double:
return(count * FixedWidth.Double);
case FormatCode.Decimal128:
return(count * FixedWidth.Decimal128);
case FormatCode.Char:
return(count * FixedWidth.Char);
case FormatCode.TimeStamp:
return(count * FixedWidth.TimeStamp);
case FormatCode.Uuid:
return(count * FixedWidth.Uuid);
default:
break;
}
int valueSize = 0;
foreach (object item in value)
{
bool arrayEncoding = true;
if (encoding.FormatCode == FormatCode.Described && valueSize == 0)
{
arrayEncoding = false;
}
valueSize += encoding.GetObjectEncodeSize(item, arrayEncoding);
}
return(valueSize);
}