public static MsgPackItem Unpack(Stream stream, MsgPackSettings settings)
{
int typeByte = stream.ReadByte();
if (typeByte < 0)
{
return(new MpError(settings, stream.Position, MsgPackTypeId.NeverUsed, "Unexpected end of data."));
}
MsgPackItem item = null;
try {
MsgPackTypeId type = (MsgPackTypeId)typeByte;
switch (type)
{
case MsgPackTypeId.MpNull: item = new MpNull(settings); break;
case MsgPackTypeId.MpBoolFalse:
case MsgPackTypeId.MpBoolTrue: item = new MpBool(settings); break;
//case MsgPackTypes.MpBytePart:
//case MsgPackTypes.MpSBytePart:
case MsgPackTypeId.MpSByte:
case MsgPackTypeId.MpShort:
case MsgPackTypeId.MpInt:
case MsgPackTypeId.MpLong:
case MsgPackTypeId.MpUByte:
case MsgPackTypeId.MpUShort:
case MsgPackTypeId.MpUInt:
case MsgPackTypeId.MpULong: item = new MpInt(settings); break;
case MsgPackTypeId.MpFloat:
case MsgPackTypeId.MpDouble: item = new MpFloat(settings); break;
//case MsgPackTypeId.MpStr5:
case MsgPackTypeId.MpStr8:
case MsgPackTypeId.MpStr16:
case MsgPackTypeId.MpStr32: item = new MpString(settings); break;
case MsgPackTypeId.MpBin8:
case MsgPackTypeId.MpBin16:
case MsgPackTypeId.MpBin32: item = new MpBin(settings); break;
//case MsgPackTypeId.MpArray4:
case MsgPackTypeId.MpArray16:
case MsgPackTypeId.MpArray32: item = new MpArray(settings); break;
//case MsgPackTypeId.MpMap4:
case MsgPackTypeId.MpMap16:
case MsgPackTypeId.MpMap32: item = new MpMap(settings); break;
case MsgPackTypeId.MpFExt1:
case MsgPackTypeId.MpFExt2:
case MsgPackTypeId.MpFExt4:
case MsgPackTypeId.MpFExt8:
case MsgPackTypeId.MpFExt16:
case MsgPackTypeId.MpExt8:
case MsgPackTypeId.MpExt16:
case MsgPackTypeId.MpExt32: item = new MpExt(settings); break;
case MsgPackTypeId.NeverUsed:
{
long pos = stream.Position - 1;
if (settings.ContinueProcessingOnBreakingError)
{
FindNextValidTypeId(stream);
}
return(new MpError(settings, pos, MsgPackTypeId.NeverUsed, "The specification specifically states that the value 0xC1 should never be used.")
{
storedLength = (stream.Position - pos)
});
}
}
if (ReferenceEquals(item, null))
{
if (((byte)type & 0xE0) == 0xE0 || (((byte)type & 0x80) == 0))
{
item = new MpInt(settings);
}
else if (((byte)type & 0xA0) == 0xA0)
{
item = new MpString(settings);
}
else if (((byte)type & 0x90) == 0x90)
{
item = new MpArray(settings);
}
else if (((byte)type & 0x80) == 0x80)
{
item = new MpMap(settings);
}
}
if (!ReferenceEquals(item, null))
{
item.storedOffset = stream.Position - 1;
item._settings = settings; // maybe redundent, but want to be sure
MsgPackItem ret = item.Read(type, stream);
item.storedLength = stream.Position - item.storedOffset;
if (!ReferenceEquals(item, ret))
{
ret.storedLength = item.storedLength;
}
return(ret);
}
else
{
long pos = stream.Position - 1;
if (settings.ContinueProcessingOnBreakingError)
{
FindNextValidTypeId(stream);
}
return(new MpError(settings, pos, type, "The type identifier with value 0x", BitConverter.ToString(new byte[] { (byte)type }),
" is either new or invalid. It is not (yet) implemented in this version of LsMsgPack.")
{
storedLength = (stream.Position - pos)
});
}
}catch (Exception ex) {
long pos = stream.Position - 1;
if (settings.ContinueProcessingOnBreakingError)
{
FindNextValidTypeId(stream);
}
return(new MpError(settings, new MsgPackException("Error while reading data.", ex, stream.Position, (MsgPackTypeId)typeByte))
{
storedOffset = pos,
storedLength = (stream.Position - pos),
PartialItem = item
});
}
}
public static MsgPackItem Unpack(Stream stream)
{
int typeByte = stream.ReadByte();
if (typeByte < 0)
{
throw new MsgPackException("Unexpected end of data.", stream.Position);
}
MsgPackItem item = null;
try {
MsgPackTypeId type = (MsgPackTypeId)typeByte;
switch (type)
{
case MsgPackTypeId.MpNull: item = new MpNull(); break;
case MsgPackTypeId.MpBoolFalse:
case MsgPackTypeId.MpBoolTrue: item = new MpBool(); break;
//case MsgPackTypes.MpBytePart:
//case MsgPackTypes.MpSBytePart:
case MsgPackTypeId.MpSByte:
case MsgPackTypeId.MpShort:
case MsgPackTypeId.MpInt:
case MsgPackTypeId.MpLong:
case MsgPackTypeId.MpUByte:
case MsgPackTypeId.MpUShort:
case MsgPackTypeId.MpUInt:
case MsgPackTypeId.MpULong: item = new MpInt(); break;
case MsgPackTypeId.MpFloat:
case MsgPackTypeId.MpDouble: item = new MpFloat(); break;
//case MsgPackTypeId.MpStr5:
case MsgPackTypeId.MpStr8:
case MsgPackTypeId.MpStr16:
case MsgPackTypeId.MpStr32: item = new MpString(); break;
case MsgPackTypeId.MpBin8:
case MsgPackTypeId.MpBin16:
case MsgPackTypeId.MpBin32: item = new MpBin(); break;
//case MsgPackTypeId.MpArray4:
case MsgPackTypeId.MpArray16:
case MsgPackTypeId.MpArray32: item = new MpArray(); break;
//case MsgPackTypeId.MpMap4:
case MsgPackTypeId.MpMap16:
case MsgPackTypeId.MpMap32: item = new MpMap(); break;
case MsgPackTypeId.MpFExt1:
case MsgPackTypeId.MpFExt2:
case MsgPackTypeId.MpFExt4:
case MsgPackTypeId.MpFExt8:
case MsgPackTypeId.MpFExt16:
case MsgPackTypeId.MpExt8:
case MsgPackTypeId.MpExt16:
case MsgPackTypeId.MpExt32: item = new MpExt(); break;
case MsgPackTypeId.NeverUsed: throw new MsgPackException("The specification specifically states that the value 0xC1 should never be used.",
stream.Position - 1, MsgPackTypeId.NeverUsed);
}
if (ReferenceEquals(item, null))
{
if (((byte)type & 0xE0) == 0xE0 || (((byte)type & 0x80) == 0))
{
item = new MpInt();
}
else if (((byte)type & 0xA0) == 0xA0)
{
item = new MpString();
}
else if (((byte)type & 0x90) == 0x90)
{
item = new MpArray();
}
else if (((byte)type & 0x80) == 0x80)
{
item = new MpMap();
}
}
if (!ReferenceEquals(item, null))
{
return(item.Read(type, stream));
}
else
{
throw new MsgPackException(string.Concat("The type identifier with value 0x", BitConverter.ToString(new byte[] { (byte)type }),
" is either new or invalid. It is not (yet) implemented in this version of LsMsgPack."), stream.Position, type);
}
}catch (Exception ex) {
if (!(ex is MsgPackException))
{
MsgPackException mpex = new MsgPackException("Error while reading data.", ex, stream.Position, (MsgPackTypeId)typeByte);
if (!ReferenceEquals(item, null))
{
mpex.Data.Add("PartialMessage", item);
}
throw mpex;
}
else
{
throw;
}
}
}
