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///<summary>
///Kanji to Pinyin or the first letter of Pinyin
///</summary>
public class chinesetospell
{
  private static int [] pyvalue=new int []
  {
  -20319, -20317, -20304, -20295, -20292, -20283, -20265, -20257, -20242, -20230, -20051, -20036,  -20032, -20026, -20002, -19990, -19986, -19982, -19976, -19805, -19784, -19775, -19774, -19763,  -19756, -19751, -19746, -19741, -19739, -19728, -19725, -19715, -19540, -19531, -19525, -19515,  -19500, -19484, -19479, -19467, -19289, -19288, -19281, -19275, -19270, -19263, -19261, -19249,  -19243, -19242, -19238, -19235, -19227, -19224, -19218, -19212, -19038, -19023, -19018, -19006,  -19003, -18996, -18977, -18961, -18952, -18783, -18774, -18773, -18763, -18756, -18741, -18735,  -18731, -18722, -18710, -18697, -18696, -18526, -18518, -18501, -18490, -18478, -18463, -18448,  -18447, -18446, -18239, -18237, -18231, -18220, -18211, -18201, -18184, -18183, -18181, -18012,  -17997, -17988, -17970, -17964, -17961, -17950, -17947, -17931, -17928, -17922, -17759, -17752,  -17733, -17730, -17721, -17703, -17701, -17697, -17692, -17683, -17676, -17496, -17487, -17482,  -17468, -17454, -17433, -17427, -17417, -17202, -17185, -16983, -16970, -16942, -16915, -16733,  -16708, -16706, -16689, -16664, -16657, -16647, -16474, -16470, -16465, -16459, -16452, -16448,  -16433, -16429, -16427, -16423, -16419, -16412, -16407, -16403, -16401, -16393, -16220, -16216,  -16212, -16205, -16202, -16187, -16180, -16171, -16169, -16158, -16155, -15959, -15958, -15944,  -15933, -15920, -15915, -15903, -15889, -15878, -15707, -15701, -15681, -15667, -15661, -15659,  -15652, -15640, -15631, -15625, -15454, -15448, -15436, -15435, -15419, -15416, -15408, -15394,  -15385, -15377, -15375, -15369, -15363, -15362, -15183, -15180, -15165, -15158, -15153, -15150,  -15149, -15144, -15143, -15141, -15140, -15139, -15128, -15121, -15119, -15117, -15110, -15109,  -14941, -14937, -14933, -14930, -14929, -14928, -14926, -14922, -14921, -14914, -14908, -14902,  -14894, -14889, -14882, -14873, -14871, -14857, -14678, -14674, -14670, -14668, -14663, -14654,  -14645, -14630, -14594, -14429, -14407, -14399, -14384, -14379, -14368, -14355, -14353, -14345,  -14170, -14159, -14151, -14149, -14145, -14140, -14137, -14135, -14125, -14123, -14122, -14112,  -14109, -14099, -14097, -14094, -14092, -14090, -14087, -14083, -13917, -13914, -13910, -13907,  -13906, -13905, -13896, -13894, -13878, -13870, -13859, -13847, -13831, -13658, -13611, -13601,  -13406, -13404, -13400, -13398, -13395, -13391, -13387, -13383, -13367, -13359, -13356, -13343,  -13340, -13329, -13326, -13318, -13147, -13138, -13120, -13107, -13096, -13095, -13091, -13076,  -13068, -13063, -13060, -12888, -12875, -12871, -12860, -12858, -12852, -12849, -12838, -12831,  -12829, -12812, -12802, -12607, -12597, -12594, -12585, -12556, -12359, -12346, -12320, -12300,  -12120, -12099, -12089, -12074, -12067, -12058, -12039, -11867, -11861, -11847, -11831, -11798,  -11781, -11604, -11589, -11536, -11358, -11340, -11339, -11324, -11303, -11097, -11077, -11067,  -11055, -11052, -11045, -11041, -11038, -11024, -11020, -11019, -11018, -11014, -10838, -10832,  -10815, -10800, -10790, -10780, -10764, -10587, -10544, -10533, -10519, -10331, -10329, -10328,  -10322, -10315, -10309, -10307, ​​-10296, -10281, -10274, -10270, -10262, -10260, -10256, -10254
  };
  private static string [] pyname=new string []
  {
  "a", "ai", "an", "ang", "ao", "ba", "bai", "ban", "bang", "bao", "bei", "ben",  "beng", "bi", "bian", "biao", "bie", "bin", "bing", "bo", "bu", "ba", "cai", "can",  "cang", "cao", "ce", "ceng", "cha", "chai", "chan", "chang", "chao", "che", "chen", "cheng",  "chi", "chong", "chou", "chu", "chuai", "chuan", "chuang", "chui", "chun", "chuo", "ci", "cong",  "cou", "cu", "cuan", "cui", "cun", "cuo", "da", "dai", "dan", "dang", "dao", "de",  "deng", "di", "dian", "diao", "die", "ding", "diu", "dong", "dou", "du", "duan", "dui",  "dun", "duo", "e", "en", "er", "fa", "fan", "fang", "fei", "fen", "feng", "fo",  "fou", "fu", "ga", "gai", "gan", "gang", "gao", "ge", "gei", "gen", "geng", "gong",  "gou", "gu", "gua", "guai", "guan", "guang", "gui", "gun", "guo", "ha", "hai", "han",  "hang", "hao", "he", "hei", "hen", "heng", "hong", "hou", "hu", "hua", "huai", "huan",  "huang", "hui", "hun", "huo", "ji", "jia", "jian", "jiang", "jiao", "jie", "jin", "jing",  "jiong", "jiu", "ju", "juan", "jue", "jun", "ka", "kai", "kan", "kang", "kao", "ke",  "ken", "keng", "kong", "kou", "ku", "kua", "kuai", "kuan", "kuang", "kui", "kun", "kuo",  "la", "lai", "lan", "lang", "lao", "le", "lei", "leng", "li", "lia", "lian", "liang",  "liao", "lie", "lin", "ling", "liu", "long", "lou", "lu", "lv", "luan", "lue", "lun",  "luo", "ma", "mai", "man", "mang", "mao", "me", "mei", "men", "meng", "mi", "mian",  "miao", "mie", "min", "ming", "miu", "mo", "mou", "mu", "na", "nai", "nan", "nang",  "nao", "ne", "nei", "nen", "neng", "ni", "nian", "niang", "niao", "nie", "nin", "ning",  "niu", "nong", "nu", "nv", "nuan", "nue", "nuo", "o", "ou", "pa", "pai", "pan",  "pang", "pao", "pei", "pen", "peng", "pi", "pian", "piao", "pie", "pin", "ping", "po",  "pu", "qi", "qia", "qian", "qiang", "qiao", "qie", "qin", "qing", "qiong", "qiu", "qu",  "quan", "que", "qun", "ran", "rang", "rao", "re", "ren", "reng", "ri", "rong", "rou",  "ru", "ruan", "rui", "run", "ruo", "sa", "sai", "san", "sang", "sao", "se", "sen",  "seng", "sha", "shai", "shan", "shang", "shao", "she", "shen", "sheng", "shi", "shou", "shu",  "shua", "shuai", "shuan", "shuang", "shui", "shun", "shuo", "si", "song", "sou", "su", "suan",  "sui", "sun", "suo", "ta", "tai", "tan", "tang", "tao", "te", "teng", "ti", "tian",  "tiao", "tie", "ting", "tong", "tou", "tu", "tuan", "tui", "tun", "tuo", "wa", "wai",  "wan", "wang", "wei", "wen", "weng", "wo", "wu", "xi", "xia", "xian", "xiang", "xiao",  "xie", "xin", "xing", "xiong", "xiu", "xu", "xuan", "xue", "xun", "ya", "yan", "yang",  "yao", "ye", "yi", "yin", "ying", "yo", "yong", "you", "yu", "yuan", "yue", "yun",  "za", "zai", "zan", "zang", "zao", "ze", "zei", "zen", "zeng", "zha", "zhai", "zhan",  "zhang", "zhao", "zhe", "zhen", "zheng", "zhi", "zhong", "zhou", "zhu", "zhua", "zhuai", "zhuan",  "zhuang", "zhui", "zhun", "zhuo", "zi", "zong", "zou", "zu", "zuan", "zui", "zun", "zuo"
  };
  ///<summary>
  ///Convert Chinese characters to Pinyin (Quan Pinyin)
  ///</summary>
  ///<param name="hzstring">Chinese character string</param>
  ///<returns>converted Pinyin (full spelling) string</returns>
  public static string characterconvertstring (string hzstring)
  {
    //match Chinese characters
    regex regex=new regex ("^ [\ u4e00- \ u9fa5] $");
    byte [] array=new byte [2];
    string pystring="";
    int chrasc=0;
    int i1=0;
    int i2=0;
    char [] nowchar=hzstring.tochararray ();
    for (int j=0;j<nowchar.length;j ++)
    {
      //Chinese characters
      if (regex.ismatch (nowchar [j] .tostring ()))
      {
        array=system.text.encoding.default.getbytes (nowchar [j] .tostring ());
        i1=(short) (array [0]);
        i2=(short) (array [1]);
        chrasc=i1 * 256 + i2-65536;
        if (chrasc>0&&chrasc<160)
        {
          pystring +=nowchar [j];
        }
        else
        {
          //fix some text
          if (chrasc == -9254) //Correct the word "zhen"
          {
            pystring +="zhen";
          }
          else
          {
            for (int i=(pyvalue.length-1);i>= 0;i--)
            {
              if (pyvalue [i]<= chrasc)
              {
                pystring +=pyname [i];
                break;
              }
            }
          }
        }
      }
      //non-Chinese characters
      else
      {
        pystring +=nowchar [j] .tostring ();
      }
    }
    return pystring;
  }
  ///<summary>
  ///Convert only the first letter of each Chinese character (uppercase)
  ///</summary>
  ///<param name="strtext"></param>
  ///<returns></returns>
  public static string getchinesespell (string strtext)
  {
    int len ​​= strtext.length;
    string mystr="";
    for (int i=0;i<len;i ++)
    {
      mystr +=getspell (strtext.substring (i, 1));
    }
    return mystr;
  }
  ///<summary>
  ///get the first letter (uppercase) of the first Chinese character;
  ///</summary>
  ///<param name="cnchar"></param>
  ///<returns></returns>
  public static string getspell (string cnchar)
  {
    byte [] arrcn=encoding.default.getbytes (cnchar);
    if (arrcn.length>1)
    {
      int area=(short) arrcn [0];
      int pos=(short) arrcn [1];
      int code=(area<<8) + pos;
      int [] areacode={45217, 45253, 45761, 46318, 46826, 47010, 47297, 47614, 48119, 48119, 49062, 49324, 49896, 50371, 50614, 50622, 50906, 51387, 51446, 52218, 52698, 52698, 52698, 52980, 53689, 54481};
      for (int i=0;i<26;i ++)
      {
        int max=55290;
        if (i!=25) max=areacode [i + 1];
        if (areacode [i]<= code&&code&max)
        {
          return encoding.default.getstring (new byte [] {(byte) (65 + i)});
        }
      }
      return "*";
    }
    else return cnchar;
  }
}
c
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