diff options
Diffstat (limited to 'decoder/grammar.cc')
-rw-r--r-- | decoder/grammar.cc | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/decoder/grammar.cc b/decoder/grammar.cc index d1fe53af..ee43f537 100644 --- a/decoder/grammar.cc +++ b/decoder/grammar.cc @@ -127,48 +127,3 @@ bool TextGrammar::HasRuleForSpan(int /* i */, int /* j */, int distance) const { return (max_span_ >= distance); } -GlueGrammar::GlueGrammar(const string& file) : TextGrammar(file) {} - -void RefineRule(TRulePtr pt, const unsigned int ctf_level){ - for (unsigned int i=0; i<ctf_level; ++i){ - TRulePtr r(new TRule(*pt)); - pt->fine_rules_.reset(new vector<TRulePtr>); - pt->fine_rules_->push_back(r); - pt = r; - } -} - -GlueGrammar::GlueGrammar(const string& goal_nt, const string& default_nt, const unsigned int ctf_level) { - TRulePtr stop_glue(new TRule("[" + goal_nt + "] ||| [" + default_nt + ",1] ||| [1]")); - AddRule(stop_glue); - RefineRule(stop_glue, ctf_level); - TRulePtr glue(new TRule("[" + goal_nt + "] ||| [" + goal_nt + ",1] ["+ default_nt + ",2] ||| [1] [2] ||| Glue=1")); - AddRule(glue); - RefineRule(glue, ctf_level); -} - -bool GlueGrammar::HasRuleForSpan(int i, int /* j */, int /* distance */) const { - return (i == 0); -} - -PassThroughGrammar::PassThroughGrammar(const Lattice& input, const string& cat, const unsigned int ctf_level) { - unordered_set<WordID> ss; - for (int i = 0; i < input.size(); ++i) { - const vector<LatticeArc>& alts = input[i]; - for (int k = 0; k < alts.size(); ++k) { - const int j = alts[k].dist2next + i; - const string& src = TD::Convert(alts[k].label); - if (ss.count(alts[k].label) == 0) { - TRulePtr pt(new TRule("[" + cat + "] ||| " + src + " ||| " + src + " ||| PassThrough=1")); - pt->a_.push_back(AlignmentPoint(0,0)); - AddRule(pt); - RefineRule(pt, ctf_level); - ss.insert(alts[k].label); - } - } - } -} - -bool PassThroughGrammar::HasRuleForSpan(int, int, int distance) const { - return (distance < 2); -} |