added Gesa's alternative source syntax features

1 files changed, 25 insertions, 0 deletions

diff --git a/decoder/ff_source_syntax2.h b/decoder/ff_source_syntax2.h
new file mode 100644
index 00000000..b6b7dc3d
--- /dev/null
+++ b/decoder/ff_source_syntax2.h
@@ -0,0 +1,25 @@
+#ifndef _FF_SOURCE_TOOLS2_H_
+#define _FF_SOURCE_TOOLS2_H_
+
+#include "ff.h"
+#include "hg.h"
+
+struct SourceSyntaxFeatures2Impl;
+
+class SourceSyntaxFeatures2 : public FeatureFunction {
+ public:
+  SourceSyntaxFeatures2(const std::string& param);
+  ~SourceSyntaxFeatures2();
+ protected:
+  virtual void TraversalFeaturesImpl(const SentenceMetadata& smeta,
+                                     const Hypergraph::Edge& edge,
+                                     const std::vector<const void*>& ant_contexts,
+                                     SparseVector<double>* features,
+                                     SparseVector<double>* estimated_features,
+                                     void* context) const;
+  virtual void PrepareForInput(const SentenceMetadata& smeta);
+ private:
+  SourceSyntaxFeatures2Impl* impl;
+};
+
+#endif