Add ConstReorderFeature

1 files changed, 41 insertions, 0 deletions

diff --git a/decoder/ff_const_reorder.h b/decoder/ff_const_reorder.h
new file mode 100644
index 00000000..1aed2584
--- /dev/null
+++ b/decoder/ff_const_reorder.h
@@ -0,0 +1,41 @@
+/*
+ * ff_const_reorder.h
+ *
+ *  Created on: Jul 11, 2013
+ *      Author: junhuili
+ */
+
+#ifndef FF_CONST_REORDER_H_
+#define FF_CONST_REORDER_H_
+
+#include "ff_factory.h"
+#include "ff.h"
+
+struct ConstReorderFeatureImpl;
+
+class ConstReorderFeature : public FeatureFunction {
+ public:
+  // param = "filename n"
+	ConstReorderFeature(const std::string& param);
+    ~ConstReorderFeature();
+    static std::string usage(bool param,bool verbose);
+ protected:
+  virtual void PrepareForInput(const SentenceMetadata& smeta);
+
+  virtual void TraversalFeaturesImpl(const SentenceMetadata& smeta,
+                                     const HG::Edge& edge,
+                                     const std::vector<const void*>& ant_contexts,
+                                     SparseVector<double>* features,
+                                     SparseVector<double>* estimated_features,
+                                     void* out_context) const;
+ private:
+  ConstReorderFeatureImpl* pimpl_;
+};
+
+
+struct ConstReorderFeatureFactory : public FactoryBase<FeatureFunction> {
+  FP Create(std::string param) const;
+  std::string usage(bool params,bool verbose) const;
+};
+
+#endif /* FF_CONST_REORDER_H_ */