ChunkedReader::int_type ChunkedReader::underflow()
{
log_trace("ChunkedReader::underflow");
while (_state != 0
&& gptr() == egptr()
&& _ib->sgetc() != traits_type::eof())
{
(this->*_state)();
}
if (_state == 0)
{
log_debug("end of chunked data reached");
return traits_type::eof();
}
if (_ib->sgetc() == traits_type::eof())
{
log_debug("end of input stream");
_state = 0;
return traits_type::eof();
}
log_debug("not at eof - return " << charToPrint(*gptr()));
return *gptr();
}
void ChunkParser::onTrailerData(char ch)
{
log_trace("onTrailerData, ch=" << charToPrint(ch));
// the trailer is actually ignored
if (ch == '\n')
_state = &ChunkParser::onTrailer;
}
void ChunkParser::onDataEnd(char ch)
{
log_trace("onDataEnd, ch=" << charToPrint(ch));
if (ch == '\n')
{
log_debug("=> onBegin");
_state = &ChunkParser::onBegin;
}
else
throwInvalidCharacter(ch);
}
void ChunkParser::onTrailer(char ch)
{
log_trace("onTrailer, ch=" << charToPrint(ch));
// @todo Report trailer fields by adding them to the other header fields.
// HttpBuffer and ChunkParser need a reference to a MessageHeader.
if (ch == '\n')
_state = 0;
else if (ch == '\r')
;
else
_state = &ChunkParser::onTrailerData;
}
void ChunkParser::onEndl(char ch)
{
log_trace("onEndl, ch=" << charToPrint(ch));
if (ch == '\n')
{
if (_chunkSize > 0)
_state = &ChunkParser::onData;
else
_state = &ChunkParser::onTrailer;
}
else
throwInvalidCharacter(ch);
}
void ChunkedReader::onDataEnd()
{
char ch = _ib->sbumpc();
log_trace("onDataEnd, ch=" << charToPrint(ch));
if (ch == '\n')
{
log_debug("=> onBegin");
_state = &ChunkedReader::onBegin;
}
else
throwInvalidCharacter(ch);
}
void ChunkedReader::onEndl()
{
char ch = _ib->sbumpc();
log_trace("onEndl, ch=" << charToPrint(ch));
if (ch == '\n')
{
if (_chunkSize > 0)
_state = &ChunkedReader::onData;
else
_state = &ChunkedReader::onTrailer;
}
else
throwInvalidCharacter(ch);
}
void ChunkParser::onBegin(char ch)
{
log_trace("onBegin, ch=" << charToPrint(ch));
if (ch >= '0' && ch <= '9')
{
_chunkSize = ch - '0';
_state = &ChunkParser::onSize;
}
else if (ch >= 'a' && ch <= 'f')
{
_chunkSize = ch - 'a' + 10;
_state = &ChunkParser::onSize;
}
else if (ch >= 'A' && ch <= 'F')
{
_chunkSize = ch - 'A' + 10;
_state = &ChunkParser::onSize;
}
else
throwInvalidCharacter(ch);
}
void ChunkedReader::onSize()
{
char ch = _ib->sbumpc();
log_trace("onSize, ch=" << charToPrint(ch));
if (ch >= '0' && ch <= '9')
{
_chunkSize = _chunkSize * 16 + (ch - '0');
}
else if (ch >= 'a' && ch <= 'f')
{
_chunkSize = _chunkSize * 16 + (ch - 'a' + 10);
}
else if (ch >= 'A' && ch <= 'F')
{
_chunkSize = _chunkSize * 16 + (ch - 'A' + 10);
}
else
{
log_debug("chunk size=" << _chunkSize);
if (ch == '\r')
{
_state = &ChunkedReader::onEndl;
}
else if (ch == '\n')
{
if (_chunkSize > 0)
_state = &ChunkedReader::onData;
else
_state = 0;
}
else
{
_state = &ChunkedReader::onExtension;
}
}
}
void ChunkedReader::onBegin()
{
char ch = _ib->sbumpc();
log_trace("onBegin, ch=" << charToPrint(ch));
if (ch >= '0' && ch <= '9')
{
_chunkSize = ch - '0';
_state = &ChunkedReader::onSize;
}
else if (ch >= 'a' && ch <= 'f')
{
_chunkSize = ch - 'a' + 10;
_state = &ChunkedReader::onSize;
}
else if (ch >= 'A' && ch <= 'F')
{
_chunkSize = ch - 'A' + 10;
_state = &ChunkedReader::onSize;
}
else
throwInvalidCharacter(ch);
}