extract_rules cdec param

3 files changed, 30 insertions, 9 deletions

diff --git a/decoder/decoder.cc b/decoder/decoder.cc
index cbb97a0d..333f0fb6 100644
--- a/decoder/decoder.cc
+++ b/decoder/decoder.cc
@@ -3,6 +3,7 @@
 #include <tr1/unordered_map>
 #include <boost/program_options.hpp>
 #include <boost/program_options/variables_map.hpp>
+#include <boost/make_shared.hpp>
 
 #include "program_options.h"
 #include "stringlib.h"
@@ -187,8 +188,8 @@ struct DecoderImpl {
   }
   void SetId(int next_sent_id) { sent_id = next_sent_id - 1; }
 
-  void forest_stats(Hypergraph &forest,string name,bool show_tree,bool show_deriv=false) {
-    cerr << viterbi_stats(forest,name,true,show_tree,show_deriv);
+  void forest_stats(Hypergraph &forest,string name,bool show_tree,bool show_deriv=false, bool extract_rules=false, boost::shared_ptr<WriteFile> extract_file = boost::make_shared<WriteFile>()) {
+    cerr << viterbi_stats(forest,name,true,show_tree,show_deriv,extract_rules, extract_file);
     cerr << endl;
   }
 
@@ -424,7 +425,7 @@ DecoderImpl::DecoderImpl(po::variables_map& conf, int argc, char** argv, istream
         ("tagger_tagset,t", po::value<string>(), "(Tagger) file containing tag set")
         ("csplit_output_plf", "(Compound splitter) Output lattice in PLF format")
         ("csplit_preserve_full_word", "(Compound splitter) Always include the unsegmented form in the output lattice")
-        ("extract_rules", po::value<string>(), "Extract the rules used in translation (de-duped) to this file")
+        ("extract_rules", po::value<string>(), "Extract the rules used in translation (not de-duped!) to a file in this directory")
         ("show_derivations", po::value<string>(), "Directory to print the derivation structures to")
         ("graphviz","Show (constrained) translation forest in GraphViz format")
         ("max_translation_beam,x", po::value<int>(), "Beam approximation to get max translation from the chart")
@@ -570,6 +571,11 @@ DecoderImpl::DecoderImpl(po::variables_map& conf, int argc, char** argv, istream
   // cube pruning pop-limit: we may want to configure this on a per-pass basis
   pop_limit = conf["cubepruning_pop_limit"].as<int>();
 
+  if (conf.count("extract_rules")) {
+    if (!DirectoryExists(conf["extract_rules"].as<string>()))
+      MkDirP(conf["extract_rules"].as<string>());
+  }
+
   // determine the number of rescoring/pruning/weighting passes configured
   const int MAX_PASSES = 3;
   for (int pass = 0; pass < MAX_PASSES; ++pass) {
@@ -712,9 +718,11 @@ DecoderImpl::DecoderImpl(po::variables_map& conf, int argc, char** argv, istream
   cfg_options.Validate();
 #endif
 
-  if (conf.count("extract_rules"))
-    extract_file.reset(new WriteFile(str("extract_rules",conf)));
-
+  if (conf.count("extract_rules")) {
+    stringstream ss;
+    ss << sent_id;
+    extract_file.reset(new WriteFile(str("extract_rules",conf)+"/"+ss.str()));
+  }
   combine_size = conf["combine_size"].as<int>();
   if (combine_size < 1) combine_size = 1;
   sent_id = -1;
@@ -851,7 +859,7 @@ bool DecoderImpl::Decode(const string& input, DecoderObserver* o) {
 #endif
       forest.swap(rescored_forest);
       forest.Reweight(cur_weights);
-      if (!SILENT) forest_stats(forest,"  " + passtr +" forest",show_tree_structure,oracle.show_derivation);
+      if (!SILENT) forest_stats(forest,"  " + passtr +" forest",show_tree_structure,oracle.show_derivation, conf.count("extract_rules"), extract_file);
     }
 
     if (conf.count("show_partition")) {
diff --git a/decoder/viterbi.cc b/decoder/viterbi.cc
index 9d19914b..1b9c6665 100644
--- a/decoder/viterbi.cc
+++ b/decoder/viterbi.cc
@@ -5,11 +5,12 @@
 #include <vector>
 #include "hg.h"
 
+
 //#define DEBUG_VITERBI_SORT
 
 using namespace std;
 
-std::string viterbi_stats(Hypergraph const& hg, std::string const& name, bool estring, bool etree,bool show_derivation)
+std::string viterbi_stats(Hypergraph const& hg, std::string const& name, bool estring, bool etree,bool show_derivation, bool extract_rules, boost::shared_ptr<WriteFile> extract_file)
 {
   ostringstream o;
   o << hg.stats(name);
@@ -22,6 +23,9 @@ std::string viterbi_stats(Hypergraph const& hg, std::string const& name, bool es
   if (etree) {
     o<<name<<"          tree: "<<ViterbiETree(hg)<<endl;
   }
+  if (extract_rules) {
+    ViterbiRules(hg, extract_file->stream());
+  }
   if (show_derivation) {
     o<<name<<"          derivation: ";
     o << hg.show_viterbi_tree(false); // last item should be goal (or at least depend on prev items).  TODO: this doesn't actually reorder the nodes in hg.
@@ -36,6 +40,12 @@ std::string viterbi_stats(Hypergraph const& hg, std::string const& name, bool es
   return o.str();
 }
 
+void ViterbiRules(const Hypergraph& hg, ostream* o) {
+   vector<Hypergraph::Edge const*> edges;
+   Viterbi<ViterbiPathTraversal>(hg, &edges);
+   for (unsigned i = 0; i < edges.size(); i++)
+      (*o) << edges[i]->rule_->AsString(true) << endl;
+}
 
 string ViterbiETree(const Hypergraph& hg) {
   vector<WordID> tmp;
diff --git a/decoder/viterbi.h b/decoder/viterbi.h
index 3092f6da..03e961a2 100644
--- a/decoder/viterbi.h
+++ b/decoder/viterbi.h
@@ -5,8 +5,10 @@
 #include "prob.h"
 #include "hg.h"
 #include "tdict.h"
+#include "filelib.h"
+#include <boost/make_shared.hpp>
 
-std::string viterbi_stats(Hypergraph const& hg, std::string const& name="forest", bool estring=true, bool etree=false, bool derivation_tree=false);
+std::string viterbi_stats(Hypergraph const& hg, std::string const& name="forest", bool estring=true, bool etree=false, bool derivation_tree=false, bool extract_rules=false, boost::shared_ptr<WriteFile> extract_file = boost::make_shared<WriteFile>());
 
 /// computes for each hg node the best (according to WeightType/WeightFunction) derivation, and some homomorphism (bottom up expression tree applied through Traversal) of it. T is the "return type" of Traversal, which is called only once for the best edge for a node's result (i.e. result will start default constructed)
 //TODO: make T a typename inside Traversal and WeightType a typename inside WeightFunction?
@@ -201,6 +203,7 @@ struct FeatureVectorTraversal {
 std::string JoshuaVisualizationString(const Hypergraph& hg);
 prob_t ViterbiESentence(const Hypergraph& hg, std::vector<WordID>* result);
 std::string ViterbiETree(const Hypergraph& hg);
+void ViterbiRules(const Hypergraph& hg, std::ostream* s);
 prob_t ViterbiFSentence(const Hypergraph& hg, std::vector<WordID>* result);
 std::string ViterbiFTree(const Hypergraph& hg);
 int ViterbiELength(const Hypergraph& hg);