protected void CopyBaseDataFrom(MpExt generic)
{
storedOffset = generic.storedOffset;
storedLength = generic.storedLength;
_settings = generic._settings;
typeId = generic.typeId;
typeSpecifier = generic.typeSpecifier;
value = generic.value;
}
public static DateTime ConvertExt(MpExt ext)
{
if (ext.TypeSpecifier != -1)
{
throw new MsgPackException(string.Concat("The extension type ", ext.TypeSpecifier, " is not a recognised DatTime or TimeStamp, expected type -1."), -1, ext.TypeId);
}
switch (ext.TypeId)
{
case MsgPackTypeId.MpFExt4:
uint seconds = BitConverter.ToUInt32(SwapIfLittleEndian((byte[])ext.Value), 0);
return(EpochToLocalDateTime(seconds));
case MsgPackTypeId.MpFExt8:
byte[] bitVal = (byte[])ext.Value;
if (BitConverter.IsLittleEndian)
{
SwapIfLittleEndian(bitVal, 0, 4);
SwapIfLittleEndian(bitVal, 4, 4);
}
ulong bytes = BitConverter.ToUInt64(bitVal, 0);
ulong nanoSecc;
ulong sec;
long ticks;
unchecked {
nanoSecc = bytes >> 34;
ulong mask = 0x3FFFFFFFF;
sec = (bytes & mask);
ticks = (long)nanoSecc / 100;
}
DateTime ret = Zero.AddSeconds(sec).Add(new TimeSpan(ticks));
return(ret.ToLocalTime());
case MsgPackTypeId.MpExt8:
byte[] vall = (byte[])ext.Value;
uint nanoSec = BitConverter.ToUInt32(SwapIfLittleEndian(vall, 0, 4), 0);
long sc = BitConverter.ToInt64(SwapIfLittleEndian(vall, 4, 8), 0);
long tick = nanoSec / 100;
TimeSpan subSec = TimeSpan.FromTicks(tick);
if (sc < 0)
{
return(EpochToLocalDateTime(sc) - subSec);
}
else
{
return(EpochToLocalDateTime(sc) + subSec);
}
}
throw new MsgPackException(string.Concat("The extension type with base type ", GetOfficialTypeName(ext.TypeId), " is not recognised as a DatTime or TimeStamp. expected ", GetOfficialTypeName(MsgPackTypeId.MpFExt4), " or ", GetOfficialTypeName(MsgPackTypeId.MpFExt8), " or ", GetOfficialTypeName(MsgPackTypeId.MpExt8)), -1, ext.TypeId);
}
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;
}
}
}
public MpDateTime(MpExt ext) : base()
{
CopyBaseDataFrom(ext);
value = ConvertExt(ext).ToUniversalTime();
}
protected void CopyBaseDataFrom(MpExt generic)
{
typeId = generic.typeId;
typeSpecifier = generic.typeSpecifier;
value = generic.value;
}
