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#ifndef MOZC_REWRITER_LANGUAGE_AWARE_REWRITER_H_
#define MOZC_REWRITER_LANGUAGE_AWARE_REWRITER_H_

#include <string>
#include "base/port.h"
#include "converter/segments.h"
#include "rewriter/rewriter_interface.h"

namespace mozc {

class ConversionRequest;
class DictionaryInterface;
class POSMatcher;
class Segments;
class Segment;

class LanguageAwareRewriter : public RewriterInterface {
 public:
  LanguageAwareRewriter(const POSMatcher &pos_matcher,
                        const DictionaryInterface *dictionary);
  virtual ~LanguageAwareRewriter();

  virtual int capability(const ConversionRequest &request) const;

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

  virtual void Finish(const ConversionRequest &request, Segments *segments);

 private:
  // Fills the raw text if the query does not look like Japanese.
  bool FillRawText(const ConversionRequest &request,
                   Segments *segments) const;

  const uint16 unknown_id_;
  const DictionaryInterface *dictionary_;
};

}  // namespace mozc

#endif  // MOZC_REWRITER_LANGUAGE_AWARE_REWRITER_H_