public Section(SectionFlag flag, int offset, int length, AmqpDescribed value)
{
Flag = flag;
Offset = offset;
Length = length;
Value = value;
}
public static object DecodeObject(ByteBuffer buffer)
{
FormatCode formatCode = AmqpEncoding.ReadFormatCode(buffer);
if (formatCode == 64)
{
return(null);
}
if (formatCode != 0)
{
return(AmqpEncoding.DecodeObject(buffer, formatCode));
}
object obj = AmqpCodec.DecodeObject(buffer);
Func <AmqpDescribed> func = null;
if (obj is AmqpSymbol)
{
Dictionary <string, Func <AmqpDescribed> > strs = AmqpCodec.knownTypesByName;
AmqpSymbol amqpSymbol = (AmqpSymbol)obj;
strs.TryGetValue(amqpSymbol.Value, out func);
}
else if (obj is ulong)
{
AmqpCodec.knownTypesByCode.TryGetValue((ulong)obj, out func);
}
if (func == null)
{
return(new DescribedType(obj, AmqpCodec.DecodeObject(buffer)));
}
AmqpDescribed amqpDescribed = func();
amqpDescribed.DecodeValue(buffer);
return(amqpDescribed);
}
internal static void EncodeSection(ByteBuffer buffer, AmqpDescribed section)
{
if (section != null)
{
section.Offset = buffer.WritePos;
section.Encode(buffer);
section.Length = buffer.WritePos - section.Offset;
}
}
public static AmqpDescribed DecodeAmqpDescribed(ByteBuffer buffer, Dictionary <string, Func <AmqpDescribed> > byName, Dictionary <ulong, Func <AmqpDescribed> > byCode)
{
AmqpDescribed amqpDescribed = AmqpCodec.CreateAmqpDescribed(buffer, byName, byCode);
if (amqpDescribed != null)
{
amqpDescribed.DecodeValue(buffer);
}
return(amqpDescribed);
}
/// <summary>
/// Decodes an <see cref="AmqpDescribed"/> object from the buffer.
/// </summary>
/// <param name="buffer">The input buffer.</param>
/// <returns>An AmqpDescribed object.</returns>
public static AmqpDescribed DecodeAmqpDescribed(ByteBuffer buffer)
{
AmqpDescribed value = CreateAmqpDescribed(buffer, knownTypesByName, knownTypesByCode);
if (value != null)
{
value.DecodeValue(buffer);
}
return(value);
}
public static AmqpDescribed DecodeAmqpDescribed(
ByteBuffer buffer,
Dictionary <string, Func <AmqpDescribed> > byName,
Dictionary <ulong, Func <AmqpDescribed> > byCode)
{
AmqpDescribed value = CreateAmqpDescribed(buffer, byName, byCode);
if (value != null)
{
value.DecodeValue(buffer);
}
return(value);
}
static void WriteSection(ByteBuffer buffer, AmqpDescribed section, ByteBuffer source)
{
if (section != null)
{
if (source != null)
{
AmqpBitConverter.WriteBytes(buffer, source.Buffer, section.Offset, section.Length);
}
else
{
AmqpMessage.EncodeSection(buffer, section);
}
}
}
/// <summary>
/// Decodes an AMQP object from the buffer and advances the buffer's position.
/// </summary>
/// <param name="buffer">The buffer to read.</param>
/// <returns>An AMQP object.</returns>
public static object DecodeObject(ByteBuffer buffer)
{
FormatCode formatCode = AmqpEncoding.ReadFormatCode(buffer);
if (formatCode == FormatCode.Null)
{
return(null);
}
else if (formatCode == FormatCode.Described)
{
object descriptor = AmqpCodec.DecodeObject(buffer);
Func <AmqpDescribed> knownTypeCtor = null;
if (descriptor is AmqpSymbol)
{
knownTypesByName.TryGetValue(((AmqpSymbol)descriptor).Value, out knownTypeCtor);
}
else if (descriptor is ulong)
{
knownTypesByCode.TryGetValue((ulong)descriptor, out knownTypeCtor);
}
if (knownTypeCtor != null)
{
AmqpDescribed amqpDescribed = knownTypeCtor();
amqpDescribed.DecodeValue(buffer);
return(amqpDescribed);
}
else
{
object value = AmqpCodec.DecodeObject(buffer);
return(new DescribedType(descriptor, value));
}
}
else
{
return(AmqpEncoding.DecodeObject(buffer, formatCode));
}
}
internal static AmqpDescribed CreateAmqpDescribed(
ByteBuffer buffer,
Dictionary <string, Func <AmqpDescribed> > byName,
Dictionary <ulong, Func <AmqpDescribed> > byCode)
{
FormatCode formatCode = AmqpEncoding.ReadFormatCode(buffer);
if (formatCode == FormatCode.Null)
{
return(null);
}
EncodingBase.VerifyFormatCode(formatCode, buffer.Offset, FormatCode.Described);
Func <AmqpDescribed> knownTypeCtor = null;
formatCode = AmqpEncoding.ReadFormatCode(buffer);
if (formatCode == FormatCode.Symbol8 || formatCode == FormatCode.Symbol32)
{
AmqpSymbol name = SymbolEncoding.Decode(buffer, formatCode);
byName.TryGetValue(name.Value, out knownTypeCtor);
}
else if (formatCode == FormatCode.ULong0 || formatCode == FormatCode.ULong || formatCode == FormatCode.SmallULong)
{
ulong code = ULongEncoding.Decode(buffer, formatCode).Value;
byCode.TryGetValue(code, out knownTypeCtor);
}
if (knownTypeCtor == null)
{
throw AmqpEncoding.GetEncodingException(AmqpResources.GetString(AmqpResources.AmqpInvalidFormatCode, formatCode, buffer.Offset));
}
AmqpDescribed value = knownTypeCtor();
return(value);
}
