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#ifndef MOZC_BASE_STRINGS_JAPANESE_H_
#define MOZC_BASE_STRINGS_JAPANESE_H_

#include <string>
#include <utility>
#include <vector>

#include "absl/strings/string_view.h"

namespace mozc::japanese {

// Japanese utilities for character form transliteration.
void HiraganaToKatakana(absl::string_view input, std::string *output);
std::string HiraganaToKatakana(absl::string_view input);

void HiraganaToHalfwidthKatakana(absl::string_view input, std::string *output);
std::string HiraganaToHalfwidthKatakana(absl::string_view input);

void HiraganaToRomanji(absl::string_view input, std::string *output);
std::string HiraganaToRomanji(absl::string_view input);

void HalfWidthAsciiToFullWidthAscii(absl::string_view input,
                                    std::string *output);
std::string HalfWidthAsciiToFullWidthAscii(absl::string_view input);

void FullWidthAsciiToHalfWidthAscii(absl::string_view input,
                                    std::string *output);
std::string FullWidthAsciiToHalfWidthAscii(absl::string_view input);

void HiraganaToFullwidthRomanji(absl::string_view input, std::string *output);
std::string HiraganaToFullwidthRomanji(absl::string_view input);

void RomanjiToHiragana(absl::string_view input, std::string *output);
std::string RomanjiToHiragana(absl::string_view input);

void KatakanaToHiragana(absl::string_view input, std::string *output);
std::string KatakanaToHiragana(absl::string_view input);

void HalfWidthKatakanaToFullWidthKatakana(absl::string_view input,
                                          std::string *output);
std::string HalfWidthKatakanaToFullWidthKatakana(absl::string_view input);

void FullWidthKatakanaToHalfWidthKatakana(absl::string_view input,
                                          std::string *output);
std::string FullWidthKatakanaToHalfWidthKatakana(absl::string_view input);

void FullWidthToHalfWidth(absl::string_view input, std::string *output);
std::string FullWidthToHalfWidth(absl::string_view input);

void HalfWidthToFullWidth(absl::string_view input, std::string *output);
std::string HalfWidthToFullWidth(absl::string_view input);

void NormalizeVoicedSoundMark(absl::string_view input, std::string *output);
std::string NormalizeVoicedSoundMark(absl::string_view input);

// Returns alignment.
std::vector<std::pair<absl::string_view, absl::string_view>>
AlignRomanjiToHiragana(absl::string_view input);

std::vector<std::pair<absl::string_view, absl::string_view>>
AlignHiraganaToRomanji(absl::string_view input);

}  // namespace mozc::japanese

#endif  // MOZC_BASE_STRINGS_JAPANESE_H_
