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#ifndef MOZC_DICTIONARY_FILE_CODEC_INTERFACE_H_
#define MOZC_DICTIONARY_FILE_CODEC_INTERFACE_H_

#include <ostream>
#include <vector>

#include "base/port.h"
#include "dictionary/file/section.h"

namespace mozc {

class DictionaryFileCodecInterface {
 public:
  // Write sections to output file stream
  virtual void WriteSections(const vector<DictionaryFileSection> &sections,
                             ostream *ofs) const = 0;

  // Read sections from memory image
  virtual bool ReadSections(const char *image, int length,
                            vector<DictionaryFileSection> *sections) const = 0;

  // Get section name
  virtual string GetSectionName(const string &name) const = 0;

 protected:
  DictionaryFileCodecInterface() {}
  virtual ~DictionaryFileCodecInterface() {}

 private:
  DISALLOW_COPY_AND_ASSIGN(DictionaryFileCodecInterface);
};

class DictionaryFileCodecFactory {
 public:
  // return singleton object
  static DictionaryFileCodecInterface *GetCodec();

  // dependency injectin for unittesting
  static void SetCodec(DictionaryFileCodecInterface *codec);

 private:
  DISALLOW_IMPLICIT_CONSTRUCTORS(DictionaryFileCodecFactory);
};

}  // namespace mozc

#endif  // MOZC_DICTIONARY_FILE_CODEC_INTERFACE_H_