save::State
Decoder::doDecoding(db::Consumer& consumer, TagSet& tags)
{
uint16_t flags = m_strm.uint16();
uint16_t idn = flags & 0x0fff;
if (idn)
{
m_position.setup(idn);
}
else
{
mstl::string fen;
m_strm.get(fen);
m_position.setup(fen);
tags.set(tag::SetUp, "1"); // bad PGN design
tags.set(tag::Fen, fen);
}
if (!consumer.startGame(tags, m_position.board()))
return save::UnsupportedVariant;
Byte* dataSection = m_strm.base() + m_strm.uint24();
ByteStream text, data;
if (flags & 0x8000)
{
unsigned size = ByteStream::uint24(dataSection);
text.setup(dataSection + 3, size);
data.setup(text.end(), m_strm.end());
}
else
{
data.setup(dataSection, m_strm.end());
}
if (flags & 0x7000)
{
EngineList engines;
decodeEngines(data, engines);
consumer.swapEngines(engines);
}
consumer.startMoveSection();
decodeRun(m_strm.uint16(), consumer);
decodeVariation(consumer, data, text);
consumer.finishMoveSection(result::fromString(tags.value(tag::Result)));
if (data.remaining())
decodeTags(data, tags);
return consumer.finishGame(tags);
}
void
Decoder::decodeTags(ByteStream& strm, TagSet& tags)
{
//M_ASSERT(strm.remaining());
mstl::string name;
mstl::string value;
for (tag::ID id = tag::ID(strm.get()); id; id = tag::ID(strm.get()))
{
if (id == tag::ExtraTag)
{
name.clear();
value.clear();
strm.get(name);
strm.get(value);
tags.setExtra(name, value);
}
else
{
value.clear();
strm.get(value);
tags.set(id, value);
if (tag::isRatingTag(id))
tags.setSignificance(id, 0);
}
#define SCI_TAGS_FIX
#ifdef SCI_TAGS_FIX
if (strm.remaining() == 0)
return;
#endif
}
}
save::State
Consumer::endGame(TagSet const& tags)
{
TagSet const* tagSet = &tags;
TagSet* myTags = 0;
if (m_text.tellp() > 0 && m_lastCommentPos == plyCount() && !tags.contains(tag::Termination))
{
result::ID result = result::fromString(tags.value(tag::Result));
if (result == result::White || result == result::Black)
{
Byte const* s = m_text.data() + m_text.tellp() - 1;
while (s > m_text.base() && s[-1])
--s;
if ( ::strcasecmp(reinterpret_cast<char const*>(s), "time") == 0
|| ::strcasecmp(reinterpret_cast<char const*>(s), "time/") == 0
|| ::strcasecmp(reinterpret_cast<char const*>(s), "time!") == 0
|| ::strcasecmp(reinterpret_cast<char const*>(s), "time forfeit") == 0)
{
myTags = new TagSet(tags);
myTags->set(tag::Termination, termination::toString(termination::TimeForfeit));
tagSet = myTags;
}
}
}
unsigned dataOffset = m_strm.tellp();
encodeTextSection();
encodeDataSection(engines());
encodeTags(*tagSet, allowedTags(), allowExtraTags());
ByteStream::set(m_strm.base() + m_streamPos, uint24_t(dataOffset));
m_stream.provide();
save::State state = m_codec.addGame(m_stream, *tagSet, *this);
if (myTags)
delete myTags;
return state;
}