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#ifndef MOZC_REWRITER_USAGE_REWRITER_H_
#define MOZC_REWRITER_USAGE_REWRITER_H_
#include <list>
#include <map>
#include <string>

#include "base/base.h"
#include "rewriter/rewriter_interface.h"

namespace mozc {
  struct UsageDictItem {
    const int32 id;
    const char *key;
    const char *value;
    const int32 conjugation_id;
    const char *meaning;
  };

class Segments;
class UsageRewriter: public RewriterInterface  {
 public:
  UsageRewriter();
  virtual ~UsageRewriter();
  virtual bool Rewrite(Segments *segments) const;
 private:
  typedef pair<string, string> StrPair;
  map<StrPair, const UsageDictItem *> key_value_usageitem_map_;
  const UsageDictItem* LookupUsage(const string &key, const string &value) const;
};
}  // namespace mozc
#endif  // MOZC_REWRITER_USAGE_REWRITER_H_