/// <summary>
///
/// </summary>
/// <param name="src"></param>
/// <param name="option"></param>
/// <returns></returns>
public static string Convert(string src, KanaOption option)
{
if (String.IsNullOrEmpty(src))
{
return(src);
}
var isRomanToNarrow = (option & KanaOption.RomanToNarrow) == KanaOption.RomanToNarrow;
var isRomanToWide = (option & KanaOption.RomanToWide) == KanaOption.RomanToWide;
var isNumericToNarrow = (option & KanaOption.NumericToNarrow) == KanaOption.NumericToNarrow;
var isNumericToWide = (option & KanaOption.NumericToWide) == KanaOption.NumericToWide;
var isAsciiToNarrow = (option & KanaOption.AsciiToNarrow) == KanaOption.AsciiToNarrow;
var isAsciiToWide = (option & KanaOption.AsciiToWide) == KanaOption.AsciiToWide;
var isSpaceToNarrow = (option & KanaOption.SpaceToNarrow) == KanaOption.SpaceToNarrow;
var isSpaceToWide = (option & KanaOption.SpaceToWide) == KanaOption.SpaceToWide;
var isKanaToNarrow = (option & KanaOption.KanaToNarrow) == KanaOption.KanaToNarrow;
var isKanaToWide = (option & KanaOption.KanaToWide) == KanaOption.KanaToWide;
var isHiraganaToHankana = (option & KanaOption.HiraganaToHankana) == KanaOption.HiraganaToHankana;
var isHankanaToHiragana = (option & KanaOption.HankanaToHiragana) == KanaOption.HankanaToHiragana;
var isKatakanaToHiragana = (option & KanaOption.KatakanaToHiragana) == KanaOption.KatakanaToHiragana;
var isHiraganaToKatakana = (option & KanaOption.HiraganaToKatakana) == KanaOption.HiraganaToKatakana;
var sb = new StringBuilder();
for (var i = 0; i < src.Length; i++)
{
var c = src[i];
var next = i < src.Length - 1 ? src[i + 1] : (char)0;
char convert;
// Roman
if (isRomanToNarrow && RomanWideToNarrow.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
if (isRomanToWide && RomanNarrowToWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
// Numeric
if (isNumericToNarrow && NumericWideToNarrow.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
if (isNumericToWide && NumericNarrowToWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
// ASCII
if (isAsciiToNarrow && AsciiWideToNarrow.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
if (isAsciiToWide && AsciiNarrowToWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
// Space
if (isSpaceToNarrow && (c == ' '))
{
sb.Append(' ');
continue;
}
if (isSpaceToWide && (c == ' '))
{
sb.Append(' ');
continue;
}
// WideKatakana/NarrowKatakana
if (isKanaToNarrow)
{
if (KanaDakuonWideToKanaDakuonNarrow.TryGetValue(c, out convert))
{
sb.Append(convert);
sb.Append('ﾞ');
continue;
}
if (KanaHandakuonWideToKanaHandakuonNarrow.TryGetValue(c, out convert))
{
sb.Append(convert);
sb.Append('ﾟ');
continue;
}
if (KanaWideToKanaNarrow.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
}
if (isKanaToWide)
{
if ((next == 'ﾞ') && KanaDakuonNarrowToKanaDakuonWide.TryGetValue(c, out convert))
{
sb.Append(convert);
i++;
continue;
}
if ((next == 'ﾟ') && KanaHandakuonNarrowToKanaHandakuonWide.TryGetValue(c, out convert))
{
sb.Append(convert);
i++;
continue;
}
if (KanaNarrowToKanaWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
}
// WideHiragana/NarrowKatanaka
if (isHiraganaToHankana)
{
if (HiraganaDakuonWideToKanaDakuonNarrow.TryGetValue(c, out convert))
{
sb.Append(convert).Append('ﾞ');
continue;
}
if (HiraganaHandakuonWideToKanaHandakuonNarrow.TryGetValue(c, out convert))
{
sb.Append(convert).Append('ﾟ');
continue;
}
if (HiraganaWideToKanaNarrow.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
}
if (isHankanaToHiragana)
{
if ((next == 'ﾞ') && KanaDakuonNarrowToHiraganaDakuonWide.TryGetValue(c, out convert))
{
sb.Append(convert);
i++;
continue;
}
if ((next == 'ﾟ') && KanaHandakuonNarrowToHiraganaHandakuonWide.TryGetValue(c, out convert))
{
sb.Append(convert);
i++;
continue;
}
if (KanaNarrowToHiraganaWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
}
// WideHiragana/WideKatakana
if (isKatakanaToHiragana)
{
if (KanaDakuonWideToHiraganaDakuonWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
if (KanaHandakuonWideToHiraganaHandakuonWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
if (KanaWideToHiraganaWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
}
if (isHiraganaToKatakana)
{
if (HiraganaDakuonWideToKanaDakuonWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
if (HiraganaHandakuonWideToKanaHandakuonWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
if (HiraganaWideToKanaWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
}
sb.Append(c);
}
return(sb.ToString());
}
/// <summary>
///
/// </summary>
/// <param name="src"></param>
/// <param name="option"></param>
/// <returns></returns>
public static string Convert(string src, KanaOption option)
{
if (String.IsNullOrEmpty(src))
{
return src;
}
var isRomanToNarrow = (option & KanaOption.RomanToNarrow) == KanaOption.RomanToNarrow;
var isRomanToWide = (option & KanaOption.RomanToWide) == KanaOption.RomanToWide;
var isNumericToNarrow = (option & KanaOption.NumericToNarrow) == KanaOption.NumericToNarrow;
var isNumericToWide = (option & KanaOption.NumericToWide) == KanaOption.NumericToWide;
var isAsciiToNarrow = (option & KanaOption.AsciiToNarrow) == KanaOption.AsciiToNarrow;
var isAsciiToWide = (option & KanaOption.AsciiToWide) == KanaOption.AsciiToWide;
var isSpaceToNarrow = (option & KanaOption.SpaceToNarrow) == KanaOption.SpaceToNarrow;
var isSpaceToWide = (option & KanaOption.SpaceToWide) == KanaOption.SpaceToWide;
var isKanaToNarrow = (option & KanaOption.KanaToNarrow) == KanaOption.KanaToNarrow;
var isKanaToWide = (option & KanaOption.KanaToWide) == KanaOption.KanaToWide;
var isHiraganaToHankana = (option & KanaOption.HiraganaToHankana) == KanaOption.HiraganaToHankana;
var isHankanaToHiragana = (option & KanaOption.HankanaToHiragana) == KanaOption.HankanaToHiragana;
var isKatakanaToHiragana = (option & KanaOption.KatakanaToHiragana) == KanaOption.KatakanaToHiragana;
var isHiraganaToKatakana = (option & KanaOption.HiraganaToKatakana) == KanaOption.HiraganaToKatakana;
var sb = new StringBuilder();
for (var i = 0; i < src.Length; i++)
{
var c = src[i];
var next = i < src.Length - 1 ? src[i + 1] : (char)0;
char convert;
// Roman
if (isRomanToNarrow && RomanWideToNarrow.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
if (isRomanToWide && RomanNarrowToWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
// Numeric
if (isNumericToNarrow && NumericWideToNarrow.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
if (isNumericToWide && NumericNarrowToWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
// ASCII
if (isAsciiToNarrow && AsciiWideToNarrow.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
if (isAsciiToWide && AsciiNarrowToWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
// Space
if (isSpaceToNarrow && (c == ' '))
{
sb.Append(' ');
continue;
}
if (isSpaceToWide && (c == ' '))
{
sb.Append(' ');
continue;
}
// WideKatakana/NarrowKatakana
if (isKanaToNarrow)
{
if (KanaDakuonWideToKanaDakuonNarrow.TryGetValue(c, out convert))
{
sb.Append(convert);
sb.Append('ﾞ');
continue;
}
if (KanaHandakuonWideToKanaHandakuonNarrow.TryGetValue(c, out convert))
{
sb.Append(convert);
sb.Append('ﾟ');
continue;
}
if (KanaWideToKanaNarrow.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
}
if (isKanaToWide)
{
if ((next == 'ﾞ') && KanaDakuonNarrowToKanaDakuonWide.TryGetValue(c, out convert))
{
sb.Append(convert);
i++;
continue;
}
if ((next == 'ﾟ') && KanaHandakuonNarrowToKanaHandakuonWide.TryGetValue(c, out convert))
{
sb.Append(convert);
i++;
continue;
}
if (KanaNarrowToKanaWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
}
// WideHiragana/NarrowKatanaka
if (isHiraganaToHankana)
{
if (HiraganaDakuonWideToKanaDakuonNarrow.TryGetValue(c, out convert))
{
sb.Append(convert).Append('ﾞ');
continue;
}
if (HiraganaHandakuonWideToKanaHandakuonNarrow.TryGetValue(c, out convert))
{
sb.Append(convert).Append('ﾟ');
continue;
}
if (HiraganaWideToKanaNarrow.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
}
if (isHankanaToHiragana)
{
if ((next == 'ﾞ') && KanaDakuonNarrowToHiraganaDakuonWide.TryGetValue(c, out convert))
{
sb.Append(convert);
i++;
continue;
}
if ((next == 'ﾟ') && KanaHandakuonNarrowToHiraganaHandakuonWide.TryGetValue(c, out convert))
{
sb.Append(convert);
i++;
continue;
}
if (KanaNarrowToHiraganaWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
}
// WideHiragana/WideKatakana
if (isKatakanaToHiragana)
{
if (KanaDakuonWideToHiraganaDakuonWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
if (KanaHandakuonWideToHiraganaHandakuonWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
if (KanaWideToHiraganaWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
}
if (isHiraganaToKatakana)
{
if (HiraganaDakuonWideToKanaDakuonWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
if (HiraganaHandakuonWideToKanaHandakuonWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
if (HiraganaWideToKanaWide.TryGetValue(c, out convert))
{
sb.Append(convert);
continue;
}
}
sb.Append(c);
}
return sb.ToString();
}
