From 9e35239dd1b4393a320da6c745749500dba8f2b6 Mon Sep 17 00:00:00 2001
From: graehl <graehl@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Mon, 19 Jul 2010 21:33:17 +0000
Subject: shared_ptr for ReadFile and doc_scorer; init ds to GetOne() in oracle

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@322 ec762483-ff6d-05da-a07a-a48fb63a330f
---
 decoder/oracle_bleu.h | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

(limited to 'decoder/oracle_bleu.h')

diff --git a/decoder/oracle_bleu.h b/decoder/oracle_bleu.h
index 66d155d3..4800e9c1 100755
--- a/decoder/oracle_bleu.h
+++ b/decoder/oracle_bleu.h
@@ -1,6 +1,8 @@
 #ifndef ORACLE_BLEU_H
 #define ORACLE_BLEU_H
 
+#define DEBUG_ORACLE_BLEU
+
 #include <sstream>
 #include <iostream>
 #include <string>
@@ -20,7 +22,7 @@
 #include "sentences.h"
 
 //TODO: put function impls into .cc
-//TODO: disentangle
+//TODO: move Translation into its own .h and use in cdec
 struct Translation {
   typedef std::vector<WordID> Sentence;
   Sentence sentence;
@@ -153,11 +155,16 @@ struct OracleBleu {
     init_refs();
   }
   void init_refs() {
-    if (is_null()) return;
+    if (is_null()) {
+#ifdef DEBUG_ORACLE_BLEU
+      std::cerr<<"No references for oracle BLEU.\n";
+#endif
+      return;
+    }
     assert(refs.size());
-    ds=DocScorer(loss,refs);
-    doc_score.reset();
-//    doc_score=sentscore
+    ds.Init(loss,refs);
+    ensure_doc_score();
+//    doc_score.reset();
     std::cerr << "Loaded " << ds.size() << " references for scoring with " << StringFromScoreType(loss) << std::endl;
   }
 
@@ -193,10 +200,15 @@ struct OracleBleu {
     return r;
   }
 
+  // if doc_score wasn't init, add 1 counts to ngram acc.
+  void ensure_doc_score() {
+	if (!doc_score) { doc_score.reset(Score::GetOne(loss)); }
+  }
+
   void Rescore(SentenceMetadata const& smeta,Hypergraph const& forest,Hypergraph *dest_forest,WeightVector const& feature_weights,double bleu_weight=1.0,std::ostream *log=&std::cerr) {
     // the sentence bleu stats will get added to doc only if you call IncludeLastScore
+    ensure_doc_score();
     sentscore=GetScore(forest,smeta.GetSentenceID());
-	if (!doc_score) { doc_score.reset(sentscore->GetOne()); }
 	tmp_src_length = smeta.GetSourceLength(); //TODO: where does this come from?
     using namespace std;
     DenseWeightVector w;
-- 
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