inline SymsIndex countRuleSrcSymbols(Syms const& ngram) {
SymsIndex r = 0;
for (Syms::const_iterator i = ngram.begin(), e = ngram.end(); i != e; ++i)
r += Vocabulary::isRuleSrcSymbol(*i);
return r;
}
/**
convenience. doesn't call finishPhrase.
*/
void phrase(Syms const& syms, IVocabulary& voc) const {
for (Syms::const_iterator i = syms.begin(), e = syms.end(); i != e; ++i) operator()(voc.str(*i));
}
inline bool isLexical(Syms const& syms) {
for (Syms::const_iterator i = syms.begin(), e = syms.end(); i != e; ++i)
if (!i->isLexical())
return false;
return true;
}
inline unsigned nLexical(Syms const& syms) {
unsigned count = 0;
for (Syms::const_iterator i = syms.begin(), e = syms.end(); i != e; ++i)
count += i->isLexical();
return count;
}
std::size_t operator()( Syms const& sig ) const
{
return RangeHash(sig.begin(), sig.end());
}
