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#ifndef MOZC_REWRITER_IVS_VARIANTS_REWRITER_H_
#define MOZC_REWRITER_IVS_VARIANTS_REWRITER_H_

#include "converter/segments.h"
#include "request/conversion_request.h"
#include "rewriter/rewriter_interface.h"

namespace mozc {

// A rewriter to expand an IVS variant candidate.
// For example, "葛\U000E0100城市" (an IVS variant candidate) is added right
// after "葛城市" candidate.
// This addition is done by exact match against content_key and content_value.
// Therefore "葛城市は" (content_key=かつらぎし, content_value=葛城市)
// candidate has its IVS variant, but "葛城市立図書館"
// (content_key=かつらぎしりつとしょかん, content_value=葛城市立図書館) doesn't.
class IvsVariantsRewriter : public RewriterInterface {
 public:
  int capability(const ConversionRequest &request) const override;

  bool Rewrite(const ConversionRequest &request,
               Segments *segments) const override;
};

}  // namespace mozc

#endif  // MOZC_REWRITER_IVS_VARIANTS_REWRITER_H_
