void PhraseIndexerImpl::addPhrase(unsigned clsid, const string &phrase,
unsigned rank, const char *udata)
{
map<phrase_hash_t, unsigned>::const_iterator it;
phrase_hash_t h;
Phrase *pphrase;
MurmurHash(phrase, &h);
// chech whatever such phrase already stored
it = m_phrase2id.find(h);
if (it == m_phrase2id.end()) {
unsigned phraseId = m_stat.nphrases_uniq;
pphrase = insertPhraseWords(phrase, phraseId);
if (!pphrase)
return;
m_phrase2id.insert(pair<phrase_hash_t, unsigned>(h, phraseId));
if (udata != NULL)
m_udataWriter.add(phraseId, (string)udata);
m_stat.nphrases_uniq++;
}
else {
pphrase = &m_phrases[it->second];
m_stat.nwords += pphrase->nwords();
}
m_stat.nphrases++;
pphrase->addClass(clsid, rank);
m_bDirty = true;
}
void ColorSpace::hashTransform( const Gaffer::Context *context, IECore::MurmurHash &h ) const
{
std::string inSpace = inputSpacePlug()->getValue();
std::string outSpace = outputSpacePlug()->getValue();
if( inSpace == outSpace || inSpace.empty() || outSpace.empty() )
{
h = MurmurHash();
return;
}
inputSpacePlug()->hash( h );
outputSpacePlug()->hash( h );
}
const u32 StringHash(const char* Str)
{
uint len = 0;
while(Str[len] != '\0') {
len++;
}
u32 ret = MurmurHash(Str, len);
// DEBUG - record recent strings in a circular buffer
strncpy(&StringTable[StringIndex].Name[0], Str, sizeof(StringTable[StringIndex].Name));
StringTable[StringIndex].Hash = ret;
StringIndex = StringIndex + 1 == countof(StringTable) ? 0 : StringIndex + 1;
// END DEBUG
return ret;
}