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#ifndef MOZC_COMPOSER_INTERNAL_TRANSLITERATORS_H_
#define MOZC_COMPOSER_INTERNAL_TRANSLITERATORS_H_

#include "composer/internal/transliterator_interface.h"

namespace mozc {
namespace composer {

// Factory class providing basic TransliteratorInterface instances.
class Transliterators {
 public:
  enum Transliterator {
    // Always uses a converted string rather than a raw string.
    // This should be used as default value.
    CONVERSION_STRING,
    // Always uses a raw string rather than a converted string.
    RAW_STRING,
    // Returns hiragana.
    HIRAGANA,
    // Returns full katakana.
    FULL_KATAKANA,
    // Returns half katakana.
    HALF_KATAKANA,
    // Returns full ascii.
    FULL_ASCII,
    // Returns half ascii.
    HALF_ASCII,
    // Special transliterator.
    // Use locally assigned transliterator.
    // Many methods don't accept this value.
    LOCAL,

    NUM_OF_TRANSLITERATOR,
  };

  // Return a singleton instance of a TransliteratorInterface.
  // LOCAL transliterator is not accepted.
  static const TransliteratorInterface *GetTransliterator(
      Transliterator transliterator);

  static bool SplitRaw(const size_t position, const std::string &raw,
                       const std::string &converted, std::string *raw_lhs,
                       std::string *raw_rhs, std::string *converted_lhs,
                       std::string *converted_rhs);

  static bool SplitConverted(const size_t position, const std::string &raw,
                             const std::string &converted, std::string *raw_lhs,
                             std::string *raw_rhs, std::string *converted_lhs,
                             std::string *converted_rhs);
};

}  // namespace composer
}  // namespace mozc

#endif  // MOZC_COMPOSER_INTERNAL_TRANSLITERATORS_H_
