moses2/legacy/Bitmaps.h


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#pragma once

#include <boost/unordered_map.hpp>
#include <set>
#include <stack>
#include "Bitmap.h"
#include "Util2.h"

namespace Moses2
{
class MemPool;

class Bitmaps
{
  typedef boost::unordered_map<const Range*, const Bitmap*> NextBitmaps;
  typedef boost::unordered_map<const Bitmap*, NextBitmaps,
          UnorderedComparer<Bitmap>, UnorderedComparer<Bitmap> > Coll;
  //typedef std::set<const Bitmap*, OrderedComparer<Bitmap> > Coll;
  Coll m_coll;
  Bitmap *m_initBitmap;

  MemPool &m_pool;
  std::stack<Bitmap*> m_recycler;

  const Bitmap &GetNextBitmap(const Bitmap &bm, const Range &range);
public:
  Bitmaps(MemPool &pool);
  virtual ~Bitmaps();
  void Init(size_t inputSize, const std::vector<bool> &initSourceCompleted);

  const Bitmap &GetInitialBitmap() const {
    return *m_initBitmap;
  }
  const Bitmap &GetBitmap(const Bitmap &bm, const Range &range);
};

}