1 files changed, 17 insertions, 0 deletions
diff --git a/decoder/dict.h b/decoder/dict.h
index 72e82e6d..bc3a904a 100644
--- a/decoder/dict.h
+++ b/decoder/dict.h
@@ -13,9 +13,12 @@
 
 class Dict {
  typedef std::tr1::unordered_map<std::string, WordID, boost::hash<std::string> > Map;
+
  public:
   Dict() : b0_("<bad0>") { words_.reserve(1000); }
+
   inline int max() const { return words_.size(); }
+
   inline WordID Convert(const std::string& word, bool frozen = false) {
     Map::iterator i = d_.find(word);
     if (i == d_.end()) {
@@ -28,12 +31,26 @@ class Dict {
       return i->second;
     }
   }
+
+  inline WordID Convert(const std::vector<std::string>& words, bool frozen = false) {
+    std::string word= "";
+    for (std::vector<std::string>::const_iterator it=words.begin();
+         it != words.end(); ++it) {
+      if (it != words.begin()) word += "__";
+      word += *it;
+    }
+
+    return Convert(word, frozen);
+  }
+
   inline const std::string& Convert(const WordID& id) const {
     if (id == 0) return b0_;
     assert(id <= words_.size());
     return words_[id-1];
   }
+
   void clear() { words_.clear(); d_.clear(); }
+
  private:
   const std::string b0_;
   std::vector<std::string> words_;