move moses/src/* to moses/

1 files changed, 63 insertions, 0 deletions

diff --git a/moses/HypothesisStack.h b/moses/HypothesisStack.h
new file mode 100644
index 000000000..26e6ed21b
--- /dev/null
+++ b/moses/HypothesisStack.h
@@ -0,0 +1,63 @@
+#ifndef moses_HypothesisStack_h
+#define moses_HypothesisStack_h
+
+#include <vector>
+#include <set>
+#include "Hypothesis.h"
+#include "WordsBitmap.h"
+
+namespace Moses
+{
+
+class Manager;
+
+/** abstract unique set of hypotheses that cover a certain number of words, 
+ *  ie. a stack in phrase-based decoding
+ */
+class HypothesisStack
+{
+
+protected:
+  typedef std::set< Hypothesis*, HypothesisRecombinationOrderer > _HCType;
+  _HCType m_hypos; /**< contains hypotheses */
+  Manager& m_manager;
+
+public:
+  HypothesisStack(Manager& manager): m_manager(manager) {}
+  typedef _HCType::iterator iterator;
+  typedef _HCType::const_iterator const_iterator;
+  //! iterators
+  const_iterator begin() const {
+    return m_hypos.begin();
+  }
+  const_iterator end() const {
+    return m_hypos.end();
+  }
+  size_t size() const {
+    return m_hypos.size();
+  }
+  virtual inline float GetWorstScore() const {
+    return -std::numeric_limits<float>::infinity();
+  };
+  virtual float GetWorstScoreForBitmap( WordsBitmapID ) {
+    return -std::numeric_limits<float>::infinity();
+  };
+  virtual float GetWorstScoreForBitmap( const WordsBitmap& ) {
+    return -std::numeric_limits<float>::infinity();
+  };
+
+  virtual ~HypothesisStack();
+  virtual bool AddPrune(Hypothesis *hypothesis) = 0;
+  virtual const Hypothesis *GetBestHypothesis() const = 0;
+  virtual std::vector<const Hypothesis*> GetSortedList() const = 0;
+
+  //! remove hypothesis pointed to by iterator but don't delete the object
+  virtual void Detach(const HypothesisStack::iterator &iter);
+  /** destroy Hypothesis pointed to by iterator (object pool version) */
+  virtual void Remove(const HypothesisStack::iterator &iter);
+
+};
+
+}
+
+#endif