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#ifndef MOZC_DICTIONARY_DICTIONARY_IMPL_H_
#define MOZC_DICTIONARY_DICTIONARY_IMPL_H_

#include <vector>
#include "base/base.h"
#include "dictionary/dictionary_interface.h"

namespace mozc {

class SuppressionDictionary;
class SystemDictionary;
class ValueDictionary;

class DictionaryImpl : public DictionaryInterface {
 public:
  virtual ~DictionaryImpl();

  virtual Node *LookupPredictive(const char *str, int size,
                                 NodeAllocatorInterface *allocator) const;

  virtual Node *LookupPrefixWithLimit(
      const char *str, int size,
      const Limit &limit,
      NodeAllocatorInterface *allocator) const;

  virtual Node *LookupReverse(const char *str, int size,
                              NodeAllocatorInterface *allocator) const;

  virtual bool Reload();

  virtual void PopulateReverseLookupCache(
      const char *str, int size, NodeAllocatorInterface *allocator) const;

  virtual void ClearReverseLookupCache(NodeAllocatorInterface *allocator) const;

 protected:
  DictionaryImpl(const char *dic_data, int dic_data_size);

 private:
  vector<DictionaryInterface *> dics_;
  SuppressionDictionary *suppression_dictionary_;
  scoped_ptr<SystemDictionary> system_dictionary_;
  scoped_ptr<ValueDictionary> value_dictionary_;

  enum LookupType {
    PREDICTIVE,
    PREFIX,
    REVERSE,
  };

  Node *LookupInternal(const char *str, int size,
                       LookupType type,
                       const Limit &limit,
                       NodeAllocatorInterface *allocator) const;

  Node *MaybeRemvoeSpecialNodes(Node *node) const;
};

}  // namespace mozc

#endif  // MOZC_DICTIONARY_DICTIONARY_IMPL_H_