/// <summary>
/// 将拼音格式化成指定的格式
/// </summary>
/// <param name="py">待格式化的拼音</param>
/// <param name="format">格式</param>
/// <see cref="ToneFormat"/>
/// <see cref="CaseFormat"/>
/// <see cref="VCharFormat"/>
/// <returns></returns>
public static string Format(string py, PinyinFormat format)
{
// "v"或"u:"不能添加声调
if (format.Contains(WITH_TONE_MARK) && (format.Contains(WITH_V) || format.Contains(WITH_U_AND_COLON)))
{
throw new PinyinException("\"v\"或\"u:\"不能添加声调");
}
var pinyin = py;
if (format.Contains(WITHOUT_TONE))
{
// 不带声调
var reg = new Regex("[1-5]");
pinyin = reg.Replace(pinyin, "");
}
else if (format.Contains(WITH_TONE_MARK))
{
// 带声调标志
pinyin = pinyin.Replace("u:", "v");
pinyin = convertToneNumber2ToneMark(pinyin);
}
if (format.Contains(WITH_V))
{
// 输出v
pinyin = pinyin.Replace("u:", "v");
}
else if (format.Contains(WITH_U_UNICODE))
{
// 输出ü
pinyin = pinyin.Replace("u:", "ü");
}
if (format.Contains(UPPERCASE))
{
// 大写
pinyin = pinyin.ToUpper();
}
else if (format.Contains(LOWERCASE))
{
// 小写
pinyin = pinyin.ToLower();
}
else if (format.Contains(CAPITALIZE_FIRST_LETTER))
{
// 首字母大写
// 不处理单拼音 a e o
if (!IGNORE_LIST.Contains(pinyin.ToLower()))
{
pinyin = pinyin.Substring(0, 1).ToUpper() + (pinyin.Length == 1 ? "" : pinyin.Substring(1));
}
}
return(pinyin);
}
/// <summary>
/// 扩展大小写格式
/// </summary>
/// <param name="format"></param>
/// <param name="caseSpread"></param>
/// <param name="firstLetterOnly"></param>
/// <param name="pinyin"></param>
/// <returns></returns>
public static string SpreadCase(PinyinFormat format, bool caseSpread, bool firstLetterOnly, StringBuilder pinyin)
{
if (firstLetterOnly || !caseSpread)
{
return(pinyin.ToString().Trim());
}
if (format.Contains(CAPITALIZE_FIRST_LETTER))
{
return(CapitalizeFirstLetter(pinyin));;
}
if (format.Contains(LOWERCASE))
{
return(pinyin.ToString().Trim().ToLower());
}
if (format.Contains(UPPERCASE))
{
return(pinyin.ToString().Trim().ToUpper());
}
return(pinyin.ToString().Trim());
}