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| #include "HReorderingForwardState.h" |
| #include "../../InputPathBase.h" |
| #include "../../PhraseBased/Manager.h" |
| #include "../../PhraseBased/Hypothesis.h" |
|
|
| namespace Moses2 |
| { |
|
|
| HReorderingForwardState::HReorderingForwardState(const LRModel &config, |
| size_t offset) : |
| LRState(config, LRModel::Forward, offset), m_first(true) |
| { |
| prevPath = NULL; |
| m_coverage = NULL; |
| } |
|
|
| HReorderingForwardState::~HReorderingForwardState() |
| { |
| |
| } |
|
|
| void HReorderingForwardState::Init(const LRState *prev, |
| const TargetPhrase<Moses2::Word> &topt, const InputPathBase &path, bool first, |
| const Bitmap *coverage) |
| { |
| prevTP = &topt; |
| prevPath = &path; |
| m_first = first; |
| m_coverage = coverage; |
| } |
|
|
| size_t HReorderingForwardState::hash() const |
| { |
| size_t ret; |
| ret = hash_value(prevPath->range); |
| return ret; |
| } |
|
|
| bool HReorderingForwardState::operator==(const FFState& o) const |
| { |
| if (&o == this) return true; |
|
|
| HReorderingForwardState const& other = |
| static_cast<HReorderingForwardState const&>(o); |
|
|
| int compareScores = ( |
| (prevPath->range == other.prevPath->range) ? |
| ComparePrevScores(other.prevTP) : |
| (prevPath->range < other.prevPath->range) ? -1 : 1); |
| return compareScores == 0; |
| } |
|
|
| std::string HReorderingForwardState::ToString() const |
| { |
| return "HReorderingForwardState " + SPrint(m_offset); |
| } |
|
|
| void HReorderingForwardState::Expand(const ManagerBase &mgr, |
| const LexicalReordering &ff, const Hypothesis &hypo, size_t phraseTableInd, |
| Scores &scores, FFState &state) const |
| { |
| const Range &cur = hypo.GetInputPath().range; |
| |
| Manager &mgrCast = const_cast<Manager&>(static_cast<const Manager&>(mgr)); |
| Bitmaps &bms = mgrCast.GetBitmaps(); |
| const Bitmap &cov = bms.GetBitmap(*m_coverage, cur); |
|
|
| if (!m_first) { |
| LRModel::ReorderingType reoType; |
| reoType = m_configuration.GetOrientation(prevPath->range, cur, cov); |
| CopyScores(mgr.system, scores, hypo.GetTargetPhrase(), reoType); |
| } |
|
|
| HReorderingForwardState &stateCast = |
| static_cast<HReorderingForwardState&>(state); |
| stateCast.Init(this, hypo.GetTargetPhrase(), hypo.GetInputPath(), false, |
| &cov); |
| } |
|
|
| } |
|
|
