public override ParseResult ContinuePopulate(byte a_byte)
{
try
{
switch (m_state)
{
case State.Done:
m_state = State.Failed;
return(ParseResult.Failed);
case State.WaitForNextListElement:
var res = m_actElement.ContinuePopulate(a_byte);
switch (res)
{
case ParseResult.Failed:
m_elements = null;
m_state = State.Failed;
return(ParseResult.Failed);
case ParseResult.Done:
m_elements[m_nbElementsRead] = m_actElement.EndPopulate();
m_nbElementsRead++;
if (m_tl.NbListElements == m_nbElementsRead)
{
m_state = State.Done;
return(ParseResult.Done);
}
m_actElement = new SmlTypeLengthField(m_encoding);
m_actElement.BeginPopulate();
return(ParseResult.MoreBytesNeeded);
default:
return(res);
}
default:
return(ParseResult.Failed);
}
}
catch (Exception ex)
{
logger.Error(ex);
m_state = State.Failed;
return(ParseResult.Failed);
}
}
public override ParseResult ContinuePopulate(byte a_byte)
{
bool moreBytesNeeded;
switch (m_state)
{
case State.WaitForFirstByte:
moreBytesNeeded = (a_byte & 0x80) == 0x80;
switch (a_byte & 0x70)
{
case 0x00:
if (((a_byte & 0x0F) == 0x01) && !moreBytesNeeded)
{
m_type = SmlFieldType.Optional;
}
else if (((a_byte & 0x0F) == 0x00) && !moreBytesNeeded)
{
m_type = SmlFieldType.EndOfMessage;
}
else
{
m_type = SmlFieldType.String;
}
break;
case 0x40:
m_type = SmlFieldType.Boolean;
if (moreBytesNeeded || ((a_byte & 0x0F) != 0x02))
{
m_state = State.Failed;
return(ParseResult.Failed);
}
break;
case 0x50:
if (moreBytesNeeded)
{
m_state = State.Failed;
return(ParseResult.Failed);
}
switch (a_byte & 0x0F)
{
case 0x02:
m_type = SmlFieldType.Signed8;
break;
case 0x03:
m_type = SmlFieldType.Signed16;
break;
case 0x05:
m_type = SmlFieldType.Signed32;
break;
case 0x09:
m_type = SmlFieldType.Signed64;
break;
default:
m_state = State.Failed;
return(ParseResult.Failed);
}
break;
case 0x60:
if (moreBytesNeeded)
{
m_state = State.Failed;
return(ParseResult.Failed);
}
switch (a_byte & 0x0F)
{
case 0x02:
m_type = SmlFieldType.Unsigned8;
break;
case 0x03:
m_type = SmlFieldType.Unsigned16;
break;
case 0x05:
m_type = SmlFieldType.Unsigned32;
break;
case 0x09:
m_type = SmlFieldType.Unsigned64;
break;
default:
m_state = State.Failed;
return(ParseResult.Failed);
}
break;
case 0x70:
m_type = SmlFieldType.List;
break;
default:
m_state = State.Failed;
return(ParseResult.Failed);
}
m_nbTlBytes = 1;
m_length = (a_byte & 0x0F);
if (moreBytesNeeded)
{
m_state = State.WaitForNextByte;
return(ParseResult.MoreBytesNeeded);
}
return(CreateParseResult());
case State.WaitForNextByte:
moreBytesNeeded = (a_byte & 0x80) == 0x80;
switch (a_byte & 0x70)
{
case 0x00:
m_nbTlBytes++;
m_length = (m_length << 4) | (a_byte & 0x0F);
if (moreBytesNeeded)
{
m_state = State.WaitForNextByte;
return(ParseResult.MoreBytesNeeded);
}
return(CreateParseResult());
default:
m_state = State.Failed;
return(ParseResult.Failed);
}
case State.ForewardToResult:
return(m_parseResult.ContinuePopulate(a_byte));
default:
m_state = State.Failed;
return(ParseResult.Failed);
}
}
