| using namespace std; | |
| namespace Moses | |
| { | |
| ExampleLM::ExampleLM(const std::string &line) | |
| :LanguageModelSingleFactor(line) | |
| { | |
| ReadParameters(); | |
| UTIL_THROW_IF2(m_nGramOrder == NOT_FOUND, "Must set order"); | |
| UTIL_THROW_IF2(m_nGramOrder <= 1, "Ngram order must be more than 1"); | |
| FactorCollection &factorCollection = FactorCollection::Instance(); | |
| // needed by parent language model classes. Why didn't they set these themselves? | |
| m_sentenceStart = factorCollection.AddFactor(Output, m_factorType, BOS_); | |
| m_sentenceStartWord[m_factorType] = m_sentenceStart; | |
| m_sentenceEnd = factorCollection.AddFactor(Output, m_factorType, EOS_); | |
| m_sentenceEndWord[m_factorType] = m_sentenceEnd; | |
| } | |
| ExampleLM::~ExampleLM() | |
| { | |
| } | |
| LMResult ExampleLM::GetValue(const vector<const Word*> &contextFactor, State* finalState) const | |
| { | |
| LMResult ret; | |
| ret.score = contextFactor.size(); | |
| ret.unknown = false; | |
| // use last word as state info | |
| const Factor *factor; | |
| size_t hash_value(const Factor &f); | |
| if (contextFactor.size()) { | |
| factor = contextFactor.back()->GetFactor(m_factorType); | |
| } else { | |
| factor = NULL; | |
| } | |
| (*finalState) = (State*) factor; | |
| return ret; | |
| } | |
| } | |