1 files changed, 14 insertions, 2 deletions
diff --git a/decoder/decoder.h b/decoder/decoder.h
index ae1b9bb0..5dd6e1aa 100644
--- a/decoder/decoder.h
+++ b/decoder/decoder.h
@@ -5,17 +5,29 @@
 #include <string>
 #include <vector>
 #include <boost/shared_ptr.hpp>
+#include <boost/program_options/variables_map.hpp>
 
+class SentenceMetadata;
 struct Hypergraph;
 struct DecoderImpl;
+
+struct DecoderObserver {
+  virtual void NotifySourceParseFailure(const SentenceMetadata& smeta);
+  virtual void NotifyTranslationForest(const SentenceMetadata& smeta, Hypergraph* hg);
+  virtual void NotifyAlignmentFailure(const SentenceMetadata& semta);
+  virtual void NotifyAlignmentForest(const SentenceMetadata& smeta, Hypergraph* hg);
+  virtual void NotifyDecodingComplete(const SentenceMetadata& smeta);
+};
+
 struct Decoder {
   Decoder(int argc, char** argv);
   Decoder(std::istream* config_file);
-  bool Decode(const std::string& input);
-  bool DecodeProduceHypergraph(const std::string& input, Hypergraph* hg);
+  bool Decode(const std::string& input, DecoderObserver* observer = NULL);
   void SetWeights(const std::vector<double>& weights);
   ~Decoder();
+  const boost::program_options::variables_map& GetConf() const { return conf; }
  private:
+  boost::program_options::variables_map conf;
   boost::shared_ptr<DecoderImpl> pimpl_;
 };