From ee1520c5095ea8648617a3658b20eedfd4dd2007 Mon Sep 17 00:00:00 2001
From: Patrick Simianer <simianer@cl.uni-heidelberg.de>
Date: Mon, 18 Jun 2012 17:26:33 +0200
Subject: extract_rules cdec param

---
 decoder/viterbi.cc | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'decoder/viterbi.cc')

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;
-- 
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