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/src-lucene-tokenizer/org/apache/lucene/analysis/ja/ToStringUtil.java

https://bitbucket.org/johtani/junsai-lucene-tokenizer
Java | 1020 lines | 979 code | 10 blank | 31 comment | 367 complexity | 6e6a317f5ff7c6a6f6ab9aae70a21b01 MD5 | raw file
    

  1. package org.apache.lucene.analysis.ja;

    2. 

  2. 

    3. 

  3. /**

    4. 

  4.  * Copyright 2004 The Apache Software Foundation

    5. 

  5.  *

    6. 

  6.  * Licensed under the Apache License, Version 2.0 (the "License");

    7. 

  7.  * you may not use this file except in compliance with the License.

    8. 

  8.  * You may obtain a copy of the License at

    9. 

  9.  *

    10. 

  10.  *     http://www.apache.org/licenses/LICENSE-2.0

    11. 

  11.  *

    12. 

  12.  * Unless required by applicable law or agreed to in writing, software

    13. 

  13.  * distributed under the License is distributed on an "AS IS" BASIS,

    14. 

  14.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    15. 

  15.  * See the License for the specific language governing permissions and

    16. 

  16.  * limitations under the License.

    17. 

  17.  */

    18. 

  18. 

    19. 

  19. import java.util.HashMap;

    20. 

  20. 

    21. 

  21. public class ToStringUtil {

    22. 

  22.   // a translation map for parts of speech, only used for reflectWith

    23. 

  23.   private static final HashMap<String,String> posTranslations = new HashMap<String,String>();

    24. 

  24.   static {

    25. 

  25.     posTranslations.put("名詞", "noun");

    26. 

  26.     posTranslations.put("名詞-一般", "noun-common");

    27. 

  27.     posTranslations.put("名詞-固有名詞", "noun-proper");

    28. 

  28.     posTranslations.put("名詞-固有名詞-一般", "noun-proper-misc");

    29. 

  29.     posTranslations.put("名詞-固有名詞-人名", "noun-proper-person");

    30. 

  30.     posTranslations.put("名詞-固有名詞-人名-一般", "noun-proper-person-misc");

    31. 

  31.     posTranslations.put("名詞-固有名詞-人名-姓", "noun-proper-person-surname");

    32. 

  32.     posTranslations.put("名詞-固有名詞-人名-名", "noun-proper-person-given_name");

    33. 

  33.     posTranslations.put("名詞-固有名詞-組織", "noun-proper-organization");

    34. 

  34.     posTranslations.put("名詞-固有名詞-地域", "noun-proper-place");

    35. 

  35.     posTranslations.put("名詞-固有名詞-地域-一般", "noun-proper-place-misc");

    36. 

  36.     posTranslations.put("名詞-固有名詞-地域-国", "noun-proper-place-country");

    37. 

  37.     posTranslations.put("名詞-代名詞", "noun-pronoun");

    38. 

  38.     posTranslations.put("名詞-代名詞-一般", "noun-pronoun-misc");

    39. 

  39.     posTranslations.put("名詞-代名詞-縮約", "noun-pronoun-contraction");

    40. 

  40.     posTranslations.put("名詞-副詞可能", "noun-adverbial");

    41. 

  41.     posTranslations.put("名詞-サ変接続", "noun-verbal");

    42. 

  42.     posTranslations.put("名詞-形容動詞語幹", "noun-adjective-base");

    43. 

  43.     posTranslations.put("名詞-数", "noun-numeric");

    44. 

  44.     posTranslations.put("名詞-非自立", "noun-affix");

    45. 

  45.     posTranslations.put("名詞-非自立-一般", "noun-affix-misc");

    46. 

  46.     posTranslations.put("名詞-非自立-副詞可能", "noun-affix-adverbial");

    47. 

  47.     posTranslations.put("名詞-非自立-助動詞語幹", "noun-affix-aux");

    48. 

  48.     posTranslations.put("名詞-非自立-形容動詞語幹", "noun-affix-adjective-base");

    49. 

  49.     posTranslations.put("名詞-特殊", "noun-special");

    50. 

  50.     posTranslations.put("名詞-特殊-助動詞語幹", "noun-special-aux");

    51. 

  51.     posTranslations.put("名詞-接尾", "noun-suffix");

    52. 

  52.     posTranslations.put("名詞-接尾-一般", "noun-suffix-misc");

    53. 

  53.     posTranslations.put("名詞-接尾-人名", "noun-suffix-person");

    54. 

  54.     posTranslations.put("名詞-接尾-地域", "noun-suffix-place");

    55. 

  55.     posTranslations.put("名詞-接尾-サ変接続", "noun-suffix-verbal");

    56. 

  56.     posTranslations.put("名詞-接尾-助動詞語幹", "noun-suffix-aux");

    57. 

  57.     posTranslations.put("名詞-接尾-形容動詞語幹", "noun-suffix-adjective-base");

    58. 

  58.     posTranslations.put("名詞-接尾-副詞可能", "noun-suffix-adverbial");

    59. 

  59.     posTranslations.put("名詞-接尾-助数詞", "noun-suffix-classifier");

    60. 

  60.     posTranslations.put("名詞-接尾-特殊", "noun-suffix-special");

    61. 

  61.     posTranslations.put("名詞-接続詞的", "noun-suffix-conjunctive");

    62. 

  62.     posTranslations.put("名詞-動詞非自立的", "noun-verbal_aux");

    63. 

  63.     posTranslations.put("名詞-引用文字列", "noun-quotation");

    64. 

  64.     posTranslations.put("名詞-ナイ形容詞語幹", "noun-nai_adjective");

    65. 

  65.     posTranslations.put("接頭詞", "prefix");

    66. 

  66.     posTranslations.put("接頭詞-名詞接続", "prefix-nominal");

    67. 

  67.     posTranslations.put("接頭詞-動詞接続", "prefix-verbal");

    68. 

  68.     posTranslations.put("接頭詞-形容詞接続", "prefix-adjectival");

    69. 

  69.     posTranslations.put("接頭詞-数接続", "prefix-numerical");

    70. 

  70.     posTranslations.put("動詞", "verb");

    71. 

  71.     posTranslations.put("動詞-自立", "verb-main");

    72. 

  72.     posTranslations.put("動詞-非自立", "verb-auxiliary");

    73. 

  73.     posTranslations.put("動詞-接尾", "verb-suffix");

    74. 

  74.     posTranslations.put("形容詞", "adjective");

    75. 

  75.     posTranslations.put("形容詞-自立", "adjective-main");

    76. 

  76.     posTranslations.put("形容詞-非自立", "adjective-auxiliary");

    77. 

  77.     posTranslations.put("形容詞-接尾", "adjective-suffix");

    78. 

  78.     posTranslations.put("副詞", "adverb");

    79. 

  79.     posTranslations.put("副詞-一般", "adverb-misc");

    80. 

  80.     posTranslations.put("副詞-助詞類接続", "adverb-particle_conjunction");

    81. 

  81.     posTranslations.put("連体詞", "adnominal");

    82. 

  82.     posTranslations.put("接続詞", "conjunction");

    83. 

  83.     posTranslations.put("助詞", "particle");

    84. 

  84.     posTranslations.put("助詞-格助詞", "particle-case");

    85. 

  85.     posTranslations.put("助詞-格助詞-一般", "particle-case-misc");

    86. 

  86.     posTranslations.put("助詞-格助詞-引用", "particle-case-quote");

    87. 

  87.     posTranslations.put("助詞-格助詞-連語", "particle-case-compound");

    88. 

  88.     posTranslations.put("助詞-接続助詞", "particle-conjunctive");

    89. 

  89.     posTranslations.put("助詞-係助詞", "particle-dependency");

    90. 

  90.     posTranslations.put("助詞-副助詞", "particle-adverbial");

    91. 

  91.     posTranslations.put("助詞-間投助詞", "particle-interjective");

    92. 

  92.     posTranslations.put("助詞-並立助詞", "particle-coordinate");

    93. 

  93.     posTranslations.put("助詞-終助詞", "particle-final");

    94. 

  94.     posTranslations.put("助詞-副助詞／並立助詞／終助詞", "particle-adverbial/conjunctive/final");

    95. 

  95.     posTranslations.put("助詞-連体化", "particle-adnominalizer");

    96. 

  96.     posTranslations.put("助詞-副詞化", "particle-adnominalizer");

    97. 

  97.     posTranslations.put("助詞-特殊", "particle-special");

    98. 

  98.     posTranslations.put("助動詞", "auxiliary-verb");

    99. 

  99.     posTranslations.put("感動詞", "interjection");

    100. 

  100.     posTranslations.put("記号", "symbol");

    101. 

  101.     posTranslations.put("記号-一般", "symbol-misc");

    102. 

  102.     posTranslations.put("記号-句点", "symbol-period");

    103. 

  103.     posTranslations.put("記号-読点", "symbol-comma");

    104. 

  104.     posTranslations.put("記号-空白", "symbol-space");

    105. 

  105.     posTranslations.put("記号-括弧開", "symbol-open_bracket");

    106. 

  106.     posTranslations.put("記号-括弧閉", "symbol-close_bracket");

    107. 

  107.     posTranslations.put("記号-アルファベット", "symbol-alphabetic");

    108. 

  108.     posTranslations.put("その他", "other");

    109. 

  109.     posTranslations.put("その他-間投", "other-interjection");

    110. 

  110.     posTranslations.put("フィラー", "filler");

    111. 

  111.     posTranslations.put("非言語音", "non-verbal");

    112. 

  112.     posTranslations.put("語断片", "fragment");

    113. 

  113.     posTranslations.put("未知語", "unknown");

    114. 

  114.   }

    115. 

  115.   

    116. 

  116.   /**

    117. 

  117.    * Get the english form of a POS tag

    118. 

  118.    */

    119. 

  119.   public static String getPOSTranslation(String s) {

    120. 

  120.     return posTranslations.get(s);

    121. 

  121.   }

    122. 

  122.   

    123. 

  123.   // a translation map for conjugational types, only used for reflectWith

    124. 

  124.   private static final HashMap<String,String> conjTypeTranslations = new HashMap<String,String>();

    125. 

  125.   static {

    126. 

  126.     conjTypeTranslations.put("*", "*");

    127. 

  127.     conjTypeTranslations.put("形容詞・アウオ段", "adj-group-a-o-u");

    128. 

  128.     conjTypeTranslations.put("形容詞・イ段", "adj-group-i");

    129. 

  129.     conjTypeTranslations.put("不変化型", "non-inflectional");

    130. 

  130.     conjTypeTranslations.put("特殊・タ", "special-da");

    131. 

  131.     conjTypeTranslations.put("特殊・ダ", "special-ta");

    132. 

  132.     conjTypeTranslations.put("文語・ゴトシ", "classical-gotoshi");

    133. 

  133.     conjTypeTranslations.put("特殊・ジャ", "special-ja");

    134. 

  134.     conjTypeTranslations.put("特殊・ナイ", "special-nai");

    135. 

  135.     conjTypeTranslations.put("五段・ラ行特殊", "5-row-cons-r-special");

    136. 

  136.     conjTypeTranslations.put("特殊・ヌ", "special-nu");

    137. 

  137.     conjTypeTranslations.put("文語・キ", "classical-ki");

    138. 

  138.     conjTypeTranslations.put("特殊・タイ", "special-tai");

    139. 

  139.     conjTypeTranslations.put("文語・ベシ", "classical-beshi");

    140. 

  140.     conjTypeTranslations.put("特殊・ヤ", "special-ya");

    141. 

  141.     conjTypeTranslations.put("文語・マジ", "classical-maji");

    142. 

  142.     conjTypeTranslations.put("下二・タ行", "2-row-lower-cons-t");

    143. 

  143.     conjTypeTranslations.put("特殊・デス", "special-desu");

    144. 

  144.     conjTypeTranslations.put("特殊・マス", "special-masu");

    145. 

  145.     conjTypeTranslations.put("五段・ラ行アル", "5-row-aru");

    146. 

  146.     conjTypeTranslations.put("文語・ナリ", "classical-nari");

    147. 

  147.     conjTypeTranslations.put("文語・リ", "classical-ri");

    148. 

  148.     conjTypeTranslations.put("文語・ケリ", "classical-keri");

    149. 

  149.     conjTypeTranslations.put("文語・ル", "classical-ru");

    150. 

  150.     conjTypeTranslations.put("五段・カ行イ音便", "5-row-cons-k-i-onbin");

    151. 

  151.     conjTypeTranslations.put("五段・サ行", "5-row-cons-s");

    152. 

  152.     conjTypeTranslations.put("一段", "1-row");

    153. 

  153.     conjTypeTranslations.put("五段・ワ行促音便", "5-row-cons-w-cons-onbin");

    154. 

  154.     conjTypeTranslations.put("五段・マ行", "5-row-cons-m");

    155. 

  155.     conjTypeTranslations.put("五段・タ行", "5-row-cons-t");

    156. 

  156.     conjTypeTranslations.put("五段・ラ行", "5-row-cons-r");

    157. 

  157.     conjTypeTranslations.put("サ変・−スル", "irregular-suffix-suru");

    158. 

  158.     conjTypeTranslations.put("五段・ガ行", "5-row-cons-g");

    159. 

  159.     conjTypeTranslations.put("サ変・−ズル", "irregular-suffix-zuru");

    160. 

  160.     conjTypeTranslations.put("五段・バ行 ", "5-row-cons-b");

    161. 

  161.     conjTypeTranslations.put("五段・ワ行ウ音便", "5-row-cons-w-u-onbin");

    162. 

  162.     conjTypeTranslations.put("下二・ダ行", "2-row-lower-cons-d");

    163. 

  163.     conjTypeTranslations.put("五段・カ行促音便ユク", "5-row-cons-k-cons-onbin-yuku");

    164. 

  164.     conjTypeTranslations.put("上二・ダ行", "2-row-upper-cons-d");

    165. 

  165.     conjTypeTranslations.put("五段・カ行促音便", "5-row-cons-k-cons-onbin");

    166. 

  166.     conjTypeTranslations.put("一段・得ル", "1-row-eru");

    167. 

  167.     conjTypeTranslations.put("四段・タ行", "4-row-cons-t");

    168. 

  168.     conjTypeTranslations.put("五段・ナ行", "5-row-cons-n");

    169. 

  169.     conjTypeTranslations.put("下二・ハ行", "2-row-lower-cons-h");

    170. 

  170.     conjTypeTranslations.put("四段・ハ行", "4-row-cons-h");

    171. 

  171.     conjTypeTranslations.put("四段・バ行", "4-row-cons-b");

    172. 

  172.     conjTypeTranslations.put("サ変・スル", "irregular-suru");

    173. 

  173.     conjTypeTranslations.put("上二・ハ行", "2-row-upper-cons-h");

    174. 

  174.     conjTypeTranslations.put("下二・マ行", "2-row-lower-cons-m");

    175. 

  175.     conjTypeTranslations.put("四段・サ行", "4-row-cons-s");

    176. 

  176.     conjTypeTranslations.put("下二・ガ行", "2-row-lower-cons-g");

    177. 

  177.     conjTypeTranslations.put("カ変・来ル", "kuru-kanji");

    178. 

  178.     conjTypeTranslations.put("一段・クレル", "1-row-kureru");

    179. 

  179.     conjTypeTranslations.put("下二・得", "2-row-lower-u");

    180. 

  180.     conjTypeTranslations.put("カ変・クル", "kuru-kana");

    181. 

  181.     conjTypeTranslations.put("ラ変", "irregular-cons-r");

    182. 

  182.     conjTypeTranslations.put("下二・カ行", "2-row-lower-cons-k");

    183. 

  183.   }

    184. 

  184.   

    185. 

  185.   /**

    186. 

  186.    * Get the english form of a conjugational type

    187. 

  187.    */

    188. 

  188.   public static String getConjTypeTranslation(String s) {

    189. 

  189.     return conjTypeTranslations.get(s);

    190. 

  190.   }

    191. 

  191. 

    192. 

  192.   // a translation map for conjugated forms, only used for reflectWith

    193. 

  193.   private static final HashMap<String,String> conjFormTranslations = new HashMap<String,String>();

    194. 

  194.   static {

    195. 

  195.     conjFormTranslations.put("*", "*");

    196. 

  196.     conjFormTranslations.put("基本形", "base");

    197. 

  197.     conjFormTranslations.put("文語基本形", "classical-base");

    198. 

  198.     conjFormTranslations.put("未然ヌ接続", "imperfective-nu-connection");

    199. 

  199.     conjFormTranslations.put("未然ウ接続", "imperfective-u-connection");

    200. 

  200.     conjFormTranslations.put("連用タ接続", "conjunctive-ta-connection");

    201. 

  201.     conjFormTranslations.put("連用テ接続", "conjunctive-te-connection");

    202. 

  202.     conjFormTranslations.put("連用ゴザイ接続", "conjunctive-gozai-connection");

    203. 

  203.     conjFormTranslations.put("体言接続", "uninflected-connection");

    204. 

  204.     conjFormTranslations.put("仮定形", "subjunctive");

    205. 

  205.     conjFormTranslations.put("命令ｅ", "imperative-e");

    206. 

  206.     conjFormTranslations.put("仮定縮約１", "conditional-contracted-1");

    207. 

  207.     conjFormTranslations.put("仮定縮約２", "conditional-contracted-2");

    208. 

  208.     conjFormTranslations.put("ガル接続", "garu-connection");

    209. 

  209.     conjFormTranslations.put("未然形", "imperfective");

    210. 

  210.     conjFormTranslations.put("連用形", "conjunctive");

    211. 

  211.     conjFormTranslations.put("音便基本形", "onbin-base");

    212. 

  212.     conjFormTranslations.put("連用デ接続", "conjunctive-de-connection");

    213. 

  213.     conjFormTranslations.put("未然特殊", "imperfective-special");

    214. 

  214.     conjFormTranslations.put("命令ｉ", "imperative-i");

    215. 

  215.     conjFormTranslations.put("連用ニ接続", "conjunctive-ni-connection");

    216. 

  216.     conjFormTranslations.put("命令ｙｏ", "imperative-yo");

    217. 

  217.     conjFormTranslations.put("体言接続特殊", "adnominal-special");

    218. 

  218.     conjFormTranslations.put("命令ｒｏ", "imperative-ro");

    219. 

  219.     conjFormTranslations.put("体言接続特殊２", "uninflected-special-connection-2");

    220. 

  220.     conjFormTranslations.put("未然レル接続", "imperfective-reru-connection");

    221. 

  221.     conjFormTranslations.put("現代基本形", "modern-base");

    222. 

  222.   }

    223. 

  223.   

    224. 

  224.   /**

    225. 

  225.    * Get the english form of a conjugated form

    226. 

  226.    */

    227. 

  227.   public static String getConjFormTranslation(String s) {

    228. 

  228.     return conjFormTranslations.get(s);

    229. 

  229.   }

    230. 

  230.   

    231. 

  231.   /**

    232. 

  232.    * Romanize katakana with modified hepburn

    233. 

  233.    */

    234. 

  234.   public static String getRomanization(String s) {

    235. 

  235.     StringBuilder builder = new StringBuilder();

    236. 

  236.     final int len = s.length();

    237. 

  237.     for (int i = 0; i < len; i++) {

    238. 

  238.       // maximum lookahead: 3

    239. 

  239.       char ch = s.charAt(i);

    240. 

  240.       char ch2 = (i < len - 1) ? s.charAt(i + 1) : 0;

    241. 

  241.       char ch3 = (i < len - 2) ? s.charAt(i + 2) : 0;

    242. 

  242.       

    243. 

  243.       main: switch (ch) {

    244. 

  244.         case 'ッ':

    245. 

  245.           switch (ch2) {

    246. 

  246.             case 'カ':

    247. 

  247.             case 'キ':

    248. 

  248.             case 'ク':

    249. 

  249.             case 'ケ':

    250. 

  250.             case 'コ':

    251. 

  251.               builder.append('k');

    252. 

  252.               break main;

    253. 

  253.             case 'サ':

    254. 

  254.             case 'シ':

    255. 

  255.             case 'ス':

    256. 

  256.             case 'セ':

    257. 

  257.             case 'ソ':

    258. 

  258.               builder.append('s');

    259. 

  259.               break main;

    260. 

  260.             case 'タ':

    261. 

  261.             case 'チ':

    262. 

  262.             case 'ツ':

    263. 

  263.             case 'テ':

    264. 

  264.             case 'ト':

    265. 

  265.               builder.append('t');

    266. 

  266.               break main;

    267. 

  267.             case 'パ':

    268. 

  268.             case 'ピ':

    269. 

  269.             case 'プ':

    270. 

  270.             case 'ペ':

    271. 

  271.             case 'ポ':

    272. 

  272.               builder.append('p');

    273. 

  273.               break main;

    274. 

  274.           }

    275. 

  275.           break;

    276. 

  276.         case 'ア':

    277. 

  277.           builder.append('a');

    278. 

  278.           break;

    279. 

  279.         case 'イ':

    280. 

  280.           if (ch2 == 'ィ') {

    281. 

  281.             builder.append("yi");

    282. 

  282.             i++;

    283. 

  283.           } else if (ch2 == 'ェ') {

    284. 

  284.             builder.append("ye");

    285. 

  285.             i++;

    286. 

  286.           } else {

    287. 

  287.             builder.append('i');

    288. 

  288.           }

    289. 

  289.           break;

    290. 

  290.         case 'ウ':

    291. 

  291.           switch(ch2) {

    292. 

  292.             case 'ァ':

    293. 

  293.               builder.append("wa");

    294. 

  294.               i++;

    295. 

  295.               break;

    296. 

  296.             case 'ィ':

    297. 

  297.               builder.append("wi");

    298. 

  298.               i++;

    299. 

  299.               break;

    300. 

  300.             case 'ゥ':

    301. 

  301.               builder.append("wu");

    302. 

  302.               i++;

    303. 

  303.               break;

    304. 

  304.             case 'ェ':

    305. 

  305.               builder.append("we");

    306. 

  306.               i++;

    307. 

  307.               break;

    308. 

  308.             case 'ォ':

    309. 

  309.               builder.append("wo");

    310. 

  310.               i++;

    311. 

  311.               break;

    312. 

  312.             case 'ュ':

    313. 

  313.               builder.append("wyu");

    314. 

  314.               i++;

    315. 

  315.               break;

    316. 

  316.             default:

    317. 

  317.               builder.append('u');

    318. 

  318.               break;

    319. 

  319.           }

    320. 

  320.           break;

    321. 

  321.         case 'エ':

    322. 

  322.           builder.append('e');

    323. 

  323.           break;

    324. 

  324.         case 'オ':

    325. 

  325.           if (ch2 == 'ウ') {

    326. 

  326.             builder.append('ō');

    327. 

  327.             i++;

    328. 

  328.           } else {

    329. 

  329.             builder.append('o');

    330. 

  330.           }

    331. 

  331.           break;

    332. 

  332.         case 'カ':

    333. 

  333.           builder.append("ka");

    334. 

  334.           break;

    335. 

  335.         case 'キ':

    336. 

  336.           if (ch2 == 'ョ' && ch3 == 'ウ') {

    337. 

  337.             builder.append("kyō");

    338. 

  338.             i += 2;

    339. 

  339.           } else if (ch2 == 'ュ' && ch3 == 'ウ') {

    340. 

  340.             builder.append("kyū");

    341. 

  341.             i += 2;

    342. 

  342.           } else if (ch2 == 'ャ') {

    343. 

  343.             builder.append("kya");

    344. 

  344.             i++;

    345. 

  345.           } else if (ch2 == 'ョ') {

    346. 

  346.             builder.append("kyo");

    347. 

  347.             i++;

    348. 

  348.           } else if (ch2 == 'ュ') {

    349. 

  349.             builder.append("kyu");

    350. 

  350.             i++;

    351. 

  351.           } else if (ch2 == 'ェ') {

    352. 

  352.             builder.append("kye");

    353. 

  353.             i++;

    354. 

  354.           } else {

    355. 

  355.             builder.append("ki");

    356. 

  356.           }

    357. 

  357.           break;

    358. 

  358.         case 'ク':

    359. 

  359.           switch(ch2) {

    360. 

  360.             case 'ァ':

    361. 

  361.               builder.append("kwa");

    362. 

  362.               i++;

    363. 

  363.               break;

    364. 

  364.             case 'ィ':

    365. 

  365.               builder.append("kwi");

    366. 

  366.               i++;

    367. 

  367.               break;

    368. 

  368.             case 'ェ':

    369. 

  369.               builder.append("kwe");

    370. 

  370.               i++;

    371. 

  371.               break;

    372. 

  372.             case 'ォ':

    373. 

  373.               builder.append("kwo");

    374. 

  374.               i++;

    375. 

  375.               break;

    376. 

  376.             case 'ヮ':

    377. 

  377.               builder.append("kwa");

    378. 

  378.               i++;

    379. 

  379.               break;

    380. 

  380.             default:

    381. 

  381.               builder.append("ku");

    382. 

  382.               break;

    383. 

  383.           }

    384. 

  384.           break;

    385. 

  385.         case 'ケ':

    386. 

  386.           builder.append("ke");

    387. 

  387.           break;

    388. 

  388.         case 'コ':

    389. 

  389.           if (ch2 == 'ウ') {

    390. 

  390.             builder.append("kō");

    391. 

  391.             i++;

    392. 

  392.           } else {

    393. 

  393.             builder.append("ko");

    394. 

  394.           }

    395. 

  395.           break;

    396. 

  396.         case 'サ':

    397. 

  397.           builder.append("sa");

    398. 

  398.           break;

    399. 

  399.         case 'シ':

    400. 

  400.           if (ch2 == 'ョ' && ch3 == 'ウ') {

    401. 

  401.             builder.append("shō");

    402. 

  402.             i += 2;

    403. 

  403.           } else if (ch2 == 'ュ' && ch3 == 'ウ') {

    404. 

  404.             builder.append("shū");

    405. 

  405.             i += 2;

    406. 

  406.           } else if (ch2 == 'ャ') {

    407. 

  407.             builder.append("sha");

    408. 

  408.             i++;

    409. 

  409.           } else if (ch2 == 'ョ') {

    410. 

  410.             builder.append("sho");

    411. 

  411.             i++;

    412. 

  412.           } else if (ch2 == 'ュ') {

    413. 

  413.             builder.append("shu");

    414. 

  414.             i++;

    415. 

  415.           } else if (ch2 == 'ェ') {

    416. 

  416.             builder.append("she");

    417. 

  417.             i++;

    418. 

  418.           } else {

    419. 

  419.             builder.append("shi");

    420. 

  420.           }

    421. 

  421.           break;

    422. 

  422.         case 'ス':

    423. 

  423.           if (ch2 == 'ィ') {

    424. 

  424.             builder.append("si");

    425. 

  425.             i++;

    426. 

  426.           } else {

    427. 

  427.             builder.append("su");

    428. 

  428.           }

    429. 

  429.           break;

    430. 

  430.         case 'セ':

    431. 

  431.           builder.append("se");

    432. 

  432.           break;

    433. 

  433.         case 'ソ':

    434. 

  434.           if (ch2 == 'ウ') {

    435. 

  435.             builder.append("sō");

    436. 

  436.             i++;

    437. 

  437.           } else {

    438. 

  438.             builder.append("so");

    439. 

  439.           }

    440. 

  440.           break;

    441. 

  441.         case 'タ':

    442. 

  442.           builder.append("ta");

    443. 

  443.           break;

    444. 

  444.         case 'チ':

    445. 

  445.           if (ch2 == 'ョ' && ch3 == 'ウ') {

    446. 

  446.             builder.append("chō");

    447. 

  447.             i += 2;

    448. 

  448.           } else if (ch2 == 'ュ' && ch3 == 'ウ') {

    449. 

  449.             builder.append("chū");

    450. 

  450.             i += 2;

    451. 

  451.           } else if (ch2 == 'ャ') {

    452. 

  452.             builder.append("cha");

    453. 

  453.             i++;

    454. 

  454.           } else if (ch2 == 'ョ') {

    455. 

  455.             builder.append("cho");

    456. 

  456.             i++;

    457. 

  457.           } else if (ch2 == 'ュ') {

    458. 

  458.             builder.append("chu");

    459. 

  459.             i++;

    460. 

  460.           } else if (ch2 == 'ェ') {

    461. 

  461.             builder.append("che");

    462. 

  462.             i++;

    463. 

  463.           } else {

    464. 

  464.             builder.append("chi");

    465. 

  465.           }

    466. 

  466.           break;

    467. 

  467.         case 'ツ':

    468. 

  468.           if (ch2 == 'ァ') {

    469. 

  469.             builder.append("tsa");

    470. 

  470.             i++;

    471. 

  471.           } else if (ch2 == 'ィ') {

    472. 

  472.             builder.append("tsi");

    473. 

  473.             i++;

    474. 

  474.           } else if (ch2 == 'ェ') {

    475. 

  475.             builder.append("tse");

    476. 

  476.             i++;

    477. 

  477.           } else if (ch2 == 'ォ') {

    478. 

  478.             builder.append("tso");

    479. 

  479.             i++;

    480. 

  480.           } else if (ch2 == 'ュ') {

    481. 

  481.             builder.append("tsyu");

    482. 

  482.             i++;

    483. 

  483.           } else {

    484. 

  484.             builder.append("tsu");

    485. 

  485.           }

    486. 

  486.           break;

    487. 

  487.         case 'テ':

    488. 

  488.           if (ch2 == 'ィ') {

    489. 

  489.             builder.append("ti");

    490. 

  490.             i++;

    491. 

  491.           } else if (ch2 == 'ゥ') {

    492. 

  492.             builder.append("tu");

    493. 

  493.             i++;

    494. 

  494.           } else if (ch2 == 'ュ') {

    495. 

  495.             builder.append("tyu");

    496. 

  496.             i++;

    497. 

  497.           } else {

    498. 

  498.             builder.append("te");

    499. 

  499.           }

    500. 

  500.           break;

    501. 

  501.         case 'ト':

    502. 

  502.           if (ch2 == 'ウ') {

    503. 

  503.             builder.append("tō");

    504. 

  504.             i++;

    505. 

  505.           } else {

    506. 

  506.             builder.append("to");

    507. 

  507.           }

    508. 

  508.           break;

    509. 

  509.         case 'ナ':

    510. 

  510.           builder.append("na");

    511. 

  511.           break;

    512. 

  512.         case 'ニ':

    513. 

  513.           if (ch2 == 'ョ' && ch3 == 'ウ') {

    514. 

  514.             builder.append("nyō");

    515. 

  515.             i += 2;

    516. 

  516.           } else if (ch2 == 'ュ' && ch3 == 'ウ') {

    517. 

  517.             builder.append("nyū");

    518. 

  518.             i += 2;

    519. 

  519.           } else if (ch2 == 'ャ') {

    520. 

  520.             builder.append("nya");

    521. 

  521.             i++;

    522. 

  522.           } else if (ch2 == 'ョ') {

    523. 

  523.             builder.append("nyo");

    524. 

  524.             i++;

    525. 

  525.           } else if (ch2 == 'ュ') {

    526. 

  526.             builder.append("nyu");

    527. 

  527.             i++;

    528. 

  528.           } else if (ch2 == 'ェ') {

    529. 

  529.             builder.append("nye");

    530. 

  530.             i++;

    531. 

  531.           } else {

    532. 

  532.             builder.append("ni");

    533. 

  533.           }

    534. 

  534.           break;

    535. 

  535.         case 'ヌ':

    536. 

  536.           builder.append("nu");

    537. 

  537.           break;

    538. 

  538.         case 'ネ':

    539. 

  539.           builder.append("ne");

    540. 

  540.           break;

    541. 

  541.         case 'ノ':

    542. 

  542.           if (ch2 == 'ウ') {

    543. 

  543.             builder.append("nō");

    544. 

  544.             i++;

    545. 

  545.           } else {

    546. 

  546.             builder.append("no");

    547. 

  547.           }

    548. 

  548.           break;

    549. 

  549.         case 'ハ':

    550. 

  550.           builder.append("ha");

    551. 

  551.           break;

    552. 

  552.         case 'ヒ':

    553. 

  553.           if (ch2 == 'ョ' && ch3 == 'ウ') {

    554. 

  554.             builder.append("hyō");

    555. 

  555.             i += 2;

    556. 

  556.           } else if (ch2 == 'ュ' && ch3 == 'ウ') {

    557. 

  557.             builder.append("hyū");

    558. 

  558.             i += 2;

    559. 

  559.           } else if (ch2 == 'ャ') {

    560. 

  560.             builder.append("hya");

    561. 

  561.             i++;

    562. 

  562.           } else if (ch2 == 'ョ') {

    563. 

  563.             builder.append("hyo");

    564. 

  564.             i++;

    565. 

  565.           } else if (ch2 == 'ュ') {

    566. 

  566.             builder.append("hyu");

    567. 

  567.             i++;

    568. 

  568.           } else if (ch2 == 'ェ') {

    569. 

  569.             builder.append("hye");

    570. 

  570.             i++;

    571. 

  571.           } else {

    572. 

  572.             builder.append("hi");

    573. 

  573.           }

    574. 

  574.           break;

    575. 

  575.         case 'フ':

    576. 

  576.           if (ch2 == 'ャ') {

    577. 

  577.             builder.append("fya");

    578. 

  578.             i++;

    579. 

  579.           } else if (ch2 == 'ュ') {

    580. 

  580.             builder.append("fyu");

    581. 

  581.             i++;

    582. 

  582.           } else if (ch2 == 'ィ' && ch3 == 'ェ') {

    583. 

  583.             builder.append("fye");

    584. 

  584.             i+=2;

    585. 

  585.           } else if (ch2 == 'ョ') {

    586. 

  586.             builder.append("fyo");

    587. 

  587.             i++;

    588. 

  588.           } else if (ch2 == 'ァ') {

    589. 

  589.             builder.append("fa");

    590. 

  590.             i++;

    591. 

  591.           } else if (ch2 == 'ィ') {

    592. 

  592.             builder.append("fi");

    593. 

  593.             i++;

    594. 

  594.           } else if (ch2 == 'ェ') {

    595. 

  595.             builder.append("fe");

    596. 

  596.             i++;

    597. 

  597.           } else if (ch2 == 'ォ') {

    598. 

  598.             builder.append("fo");

    599. 

  599.             i++;

    600. 

  600.           } else {

    601. 

  601.             builder.append("fu");

    602. 

  602.           }

    603. 

  603.           break;

    604. 

  604.         case 'ヘ':

    605. 

  605.           builder.append("he");

    606. 

  606.           break;

    607. 

  607.         case 'ホ':

    608. 

  608.           if (ch2 == 'ウ') {

    609. 

  609.             builder.append("hō");

    610. 

  610.             i++;

    611. 

  611.           } else if (ch2 == 'ゥ') {

    612. 

  612.             builder.append("hu");

    613. 

  613.             i++;

    614. 

  614.           } else {

    615. 

  615.             builder.append("ho");

    616. 

  616.           }

    617. 

  617.           break;

    618. 

  618.         case 'マ':

    619. 

  619.           builder.append("ma");

    620. 

  620.           break;

    621. 

  621.         case 'ミ':

    622. 

  622.           if (ch2 == 'ョ' && ch3 == 'ウ') {

    623. 

  623.             builder.append("myō");

    624. 

  624.             i += 2;

    625. 

  625.           } else if (ch2 == 'ュ' && ch3 == 'ウ') {

    626. 

  626.             builder.append("myū");

    627. 

  627.             i += 2;

    628. 

  628.           } else if (ch2 == 'ャ') {

    629. 

  629.             builder.append("mya");

    630. 

  630.             i++;

    631. 

  631.           } else if (ch2 == 'ョ') {

    632. 

  632.             builder.append("myo");

    633. 

  633.             i++;

    634. 

  634.           } else if (ch2 == 'ュ') {

    635. 

  635.             builder.append("myu");

    636. 

  636.             i++;

    637. 

  637.           } else if (ch2 == 'ェ') {

    638. 

  638.             builder.append("mye");

    639. 

  639.             i++;

    640. 

  640.           } else {

    641. 

  641.             builder.append("mi");

    642. 

  642.           }

    643. 

  643.           break;

    644. 

  644.         case 'ム':

    645. 

  645.           builder.append("mu");

    646. 

  646.           break;

    647. 

  647.         case 'メ':

    648. 

  648.           builder.append("mi");

    649. 

  649.           break;

    650. 

  650.         case 'モ':

    651. 

  651.           if (ch2 == 'ウ') {

    652. 

  652.             builder.append("mō");

    653. 

  653.             i++;

    654. 

  654.           } else {

    655. 

  655.             builder.append("mo");

    656. 

  656.           }

    657. 

  657.           break;

    658. 

  658.         case 'ヤ':

    659. 

  659.           builder.append("ya");

    660. 

  660.           break;

    661. 

  661.         case 'ユ':

    662. 

  662.           builder.append("yu");

    663. 

  663.           break;

    664. 

  664.         case 'ヨ':

    665. 

  665.           if (ch2 == 'ウ') {

    666. 

  666.             builder.append("yō");

    667. 

  667.             i++;

    668. 

  668.           } else {

    669. 

  669.             builder.append("yo");

    670. 

  670.           }

    671. 

  671.           break;

    672. 

  672.         case 'ラ':

    673. 

  673.           builder.append("ra");

    674. 

  674.           break;

    675. 

  675.         case 'リ':

    676. 

  676.           if (ch2 == 'ョ' && ch3 == 'ウ') {

    677. 

  677.             builder.append("ryō");

    678. 

  678.             i += 2;

    679. 

  679.           } else if (ch2 == 'ュ' && ch3 == 'ウ') {

    680. 

  680.             builder.append("ryū");

    681. 

  681.             i += 2;

    682. 

  682.           } else if (ch2 == 'ャ') {

    683. 

  683.             builder.append("rya");

    684. 

  684.             i++;

    685. 

  685.           } else if (ch2 == 'ョ') {

    686. 

  686.             builder.append("ryo");

    687. 

  687.             i++;

    688. 

  688.           } else if (ch2 == 'ュ') {

    689. 

  689.             builder.append("ryu");

    690. 

  690.             i++;

    691. 

  691.           } else if (ch2 == 'ェ') {

    692. 

  692.             builder.append("rye");

    693. 

  693.             i++;

    694. 

  694.           } else {

    695. 

  695.             builder.append("ri");

    696. 

  696.           }

    697. 

  697.           break;

    698. 

  698.         case 'ル':

    699. 

  699.           builder.append("ru");

    700. 

  700.           break;

    701. 

  701.         case 'レ':

    702. 

  702.           builder.append("re");

    703. 

  703.           break;

    704. 

  704.         case 'ロ':

    705. 

  705.           if (ch2 == 'ウ') {

    706. 

  706.             builder.append("rō");

    707. 

  707.             i++;

    708. 

  708.           } else {

    709. 

  709.             builder.append("ro");

    710. 

  710.           }

    711. 

  711.           break;

    712. 

  712.         case 'ワ':

    713. 

  713.           builder.append("wa");

    714. 

  714.           break;

    715. 

  715.         case 'ヰ':

    716. 

  716.           builder.append("i");

    717. 

  717.           break;

    718. 

  718.         case 'ヱ':

    719. 

  719.           builder.append("e");

    720. 

  720.           break;

    721. 

  721.         case 'ヲ':

    722. 

  722.           builder.append("o");

    723. 

  723.           break;

    724. 

  724.         case 'ン':

    725. 

  725.           switch (ch2) {

    726. 

  726.             case 'バ':

    727. 

  727.             case 'ビ':

    728. 

  728.             case 'ブ':

    729. 

  729.             case 'ベ':

    730. 

  730.             case 'ボ':

    731. 

  731.             case 'パ':

    732. 

  732.             case 'ピ':

    733. 

  733.             case 'プ':

    734. 

  734.             case 'ペ':

    735. 

  735.             case 'ポ':

    736. 

  736.             case 'マ':

    737. 

  737.             case 'ミ':

    738. 

  738.             case 'ム':

    739. 

  739.             case 'メ':

    740. 

  740.             case 'モ':

    741. 

  741.               builder.append('m');

    742. 

  742.               break main;

    743. 

  743.             case 'ヤ':

    744. 

  744.             case 'ユ':

    745. 

  745.             case 'ヨ':

    746. 

  746.             case 'ア':

    747. 

  747.             case 'イ':

    748. 

  748.             case 'ウ':

    749. 

  749.             case 'エ':

    750. 

  750.             case 'オ':

    751. 

  751.               builder.append("n'");

    752. 

  752.               break main;

    753. 

  753.             default:

    754. 

  754.               builder.append("n");

    755. 

  755.               break main;

    756. 

  756.           }

    757. 

  757.         case 'ガ':

    758. 

  758.           builder.append("ga");

    759. 

  759.           break;

    760. 

  760.         case 'ギ':

    761. 

  761.           if (ch2 == 'ョ' && ch3 == 'ウ') {

    762. 

  762.             builder.append("gyō");

    763. 

  763.             i += 2;

    764. 

  764.           } else if (ch2 == 'ュ' && ch3 == 'ウ') {

    765. 

  765.             builder.append("gyū");

    766. 

  766.             i += 2;

    767. 

  767.           } else if (ch2 == 'ャ') {

    768. 

  768.             builder.append("gya");

    769. 

  769.             i++;

    770. 

  770.           } else if (ch2 == 'ョ') {

    771. 

  771.             builder.append("gyo");

    772. 

  772.             i++;

    773. 

  773.           } else if (ch2 == 'ュ') {

    774. 

  774.             builder.append("gyu");

    775. 

  775.             i++;

    776. 

  776.           } else if (ch2 == 'ェ') {

    777. 

  777.             builder.append("gye");

    778. 

  778.             i++;

    779. 

  779.           } else {

    780. 

  780.             builder.append("gi");

    781. 

  781.           }

    782. 

  782.           break;

    783. 

  783.         case 'グ':

    784. 

  784.           switch(ch2) {

    785. 

  785.             case 'ァ':

    786. 

  786.               builder.append("gwa");

    787. 

  787.               i++;

    788. 

  788.               break;

    789. 

  789.             case 'ィ':

    790. 

  790.               builder.append("gwi");

    791. 

  791.               i++;

    792. 

  792.               break;

    793. 

  793.             case 'ェ':

    794. 

  794.               builder.append("gwe");

    795. 

  795.               i++;

    796. 

  796.               break;

    797. 

  797.             case 'ォ':

    798. 

  798.               builder.append("gwo");

    799. 

  799.               i++;

    800. 

  800.               break;

    801. 

  801.             case 'ヮ':

    802. 

  802.               builder.append("gwa");

    803. 

  803.               i++;

    804. 

  804.               break;

    805. 

  805.             default:

    806. 

  806.               builder.append("gu");

    807. 

  807.               break;

    808. 

  808.           }

    809. 

  809.           break;

    810. 

  810.         case 'ゲ':

    811. 

  811.           builder.append("ge");

    812. 

  812.           break;

    813. 

  813.         case 'ゴ':

    814. 

  814.           if (ch2 == 'ウ') {

    815. 

  815.             builder.append("gō");

    816. 

  816.             i++;

    817. 

  817.           } else {

    818. 

  818.             builder.append("go");

    819. 

  819.           }

    820. 

  820.           break;

    821. 

  821.         case 'ザ':

    822. 

  822.           builder.append("za");

    823. 

  823.           break;

    824. 

  824.         case 'ジ':

    825. 

  825.           if (ch2 == 'ョ' && ch3 == 'ウ') {

    826. 

  826.             builder.append("jō");

    827. 

  827.             i += 2;

    828. 

  828.           } else if (ch2 == 'ュ' && ch3 == 'ウ') {

    829. 

  829.             builder.append("jū");

    830. 

  830.             i += 2;

    831. 

  831.           } else if (ch2 == 'ャ') {

    832. 

  832.             builder.append("ja");

    833. 

  833.             i++;

    834. 

  834.           } else if (ch2 == 'ョ') {

    835. 

  835.             builder.append("jo");

    836. 

  836.             i++;

    837. 

  837.           } else if (ch2 == 'ュ') {

    838. 

  838.             builder.append("ju");

    839. 

  839.             i++;

    840. 

  840.           } else if (ch2 == 'ェ') {

    841. 

  841.             builder.append("je");

    842. 

  842.             i++;

    843. 

  843.           } else {

    844. 

  844.             builder.append("ji");

    845. 

  845.           }

    846. 

  846.           break;

    847. 

  847.         case 'ズ':

    848. 

  848.           if (ch2 == 'ィ') {

    849. 

  849.             builder.append("zi");

    850. 

  850.             i++;

    851. 

  851.           } else {

    852. 

  852.             builder.append("zu");

    853. 

  853.           }

    854. 

  854.           break;

    855. 

  855.         case 'ゼ':

    856. 

  856.           builder.append("ze");

    857. 

  857.           break;

    858. 

  858.         case 'ゾ':

    859. 

  859.           if (ch2 == 'ウ') {

    860. 

  860.             builder.append("zō");

    861. 

  861.             i++;

    862. 

  862.           } else {

    863. 

  863.             builder.append("zo");

    864. 

  864.           }

    865. 

  865.           break;

    866. 

  866.         case 'ダ':

    867. 

  867.           builder.append("da");

    868. 

  868.           break;

    869. 

  869.         case 'ヂ':

    870. 

  870.           builder.append("ji");

    871. 

  871.           break;

    872. 

  872.         case 'ヅ':

    873. 

  873.           builder.append("zu");

    874. 

  874.           break;

    875. 

  875.         case 'デ':

    876. 

  876.           if (ch2 == 'ィ') {

    877. 

  877.             builder.append("di");

    878. 

  878.             i++;

    879. 

  879.           } else if (ch2 == 'ュ') {

    880. 

  880.             builder.append("dyu");

    881. 

  881.             i++;

    882. 

  882.           } else {

    883. 

  883.             builder.append("de");

    884. 

  884.           }

    885. 

  885.           break;

    886. 

  886.         case 'ド':

    887. 

  887.           if (ch2 == 'ウ') {

    888. 

  888.             builder.append("dō");

    889. 

  889.             i++;

    890. 

  890.           } else if (ch2 == 'ゥ') {

    891. 

  891.             builder.append("du");

    892. 

  892.             i++;

    893. 

  893.           } else {

    894. 

  894.             builder.append("do");

    895. 

  895.           }

    896. 

  896.           break;

    897. 

  897.         case 'バ':

    898. 

  898.           builder.append("ba");

    899. 

  899.           break;

    900. 

  900.         case 'ビ':

    901. 

  901.           if (ch2 == 'ョ' && ch3 == 'ウ') {

    902. 

  902.             builder.append("byō");

    903. 

  903.             i += 2;

    904. 

  904.           } else if (ch2 == 'ュ' && ch3 == 'ウ') {

    905. 

  905.             builder.append("byū");

    906. 

  906.             i += 2;

    907. 

  907.           } else if (ch2 == 'ャ') {

    908. 

  908.             builder.append("bya");

    909. 

  909.             i++;

    910. 

  910.           } else if (ch2 == 'ョ') {

    911. 

  911.             builder.append("byo");

    912. 

  912.             i++;

    913. 

  913.           } else if (ch2 == 'ュ') {

    914. 

  914.             builder.append("byu");

    915. 

  915.             i++;

    916. 

  916.           } else if (ch2 == 'ェ') {

    917. 

  917.             builder.append("bye");

    918. 

  918.             i++;

    919. 

  919.           } else {

    920. 

  920.             builder.append("bi");

    921. 

  921.           }

    922. 

  922.           break;

    923. 

  923.         case 'ブ':

    924. 

  924.           builder.append("bu");

    925. 

  925.           break;

    926. 

  926.         case 'ベ':

    927. 

  927.           builder.append("be");

    928. 

  928.           break;

    929. 

  929.         case 'ボ':

    930. 

  930.           if (ch2 == 'ウ') {

    931. 

  931.             builder.append("bō");

    932. 

  932.             i++;

    933. 

  933.           } else {

    934. 

  934.             builder.append("bo");

    935. 

  935.           }

    936. 

  936.           break;

    937. 

  937.         case 'パ':

    938. 

  938.           builder.append("pa");

    939. 

  939.           break;

    940. 

  940.         case 'ピ':

    941. 

  941.           if (ch2 == 'ョ' && ch3 == 'ウ') {

    942. 

  942.             builder.append("pyō");

    943. 

  943.             i += 2;

    944. 

  944.           } else if (ch2 == 'ュ' && ch3 == 'ウ') {

    945. 

  945.             builder.append("pyū");

    946. 

  946.             i += 2;

    947. 

  947.           } else if (ch2 == 'ャ') {

    948. 

  948.             builder.append("pya");

    949. 

  949.             i++;

    950. 

  950.           } else if (ch2 == 'ョ') {

    951. 

  951.             builder.append("pyo");

    952. 

  952.             i++;

    953. 

  953.           } else if (ch2 == 'ュ') {

    954. 

  954.             builder.append("pyu");

    955. 

  955.             i++;

    956. 

  956.           } else if (ch2 == 'ェ') {

    957. 

  957.             builder.append("pye");

    958. 

  958.             i++;

    959. 

  959.           } else {

    960. 

  960.             builder.append("pi");

    961. 

  961.           }

    962. 

  962.           break;

    963. 

  963.         case 'プ':

    964. 

  964.           builder.append("pu");

    965. 

  965.           break;

    966. 

  966.         case 'ペ':

    967. 

  967.           builder.append("pe");

    968. 

  968.           break;

    969. 

  969.         case 'ポ':

    970. 

  970.           if (ch2 == 'ウ') {

    971. 

  971.             builder.append("pō");

    972. 

  972.             i++;

    973. 

  973.           } else {

    974. 

  974.             builder.append("po");

    975. 

  975.           }

    976. 

  976.           break;

    977. 

  977.         case 'ヴ':

    978. 

  978.           if (ch2 == 'ィ' && ch3 == 'ェ') {

    979. 

  979.             builder.append("vye");

    980. 

  980.             i+= 2;

    981. 

  981.           } else {

    982. 

  982.             builder.append('v');

    983. 

  983.           }

    984. 

  984.           break;

    985. 

  985.         case 'ァ':

    986. 

  986.           builder.append('a');

    987. 

  987.           break;

    988. 

  988.         case 'ィ':

    989. 

  989.           builder.append('i');

    990. 

  990.           break;

    991. 

  991.         case 'ゥ':

    992. 

  992.           builder.append('u');

    993. 

  993.           break;

    994. 

  994.         case 'ェ':

    995. 

  995.           builder.append('e');

    996. 

  996.           break;

    997. 

  997.         case 'ォ':

    998. 

  998.           builder.append('o');

    999. 

  999.           break;

    1000. 

  1000.         case 'ヮ':

    1001. 

  1001.           builder.append("wa");

    1002. 

  1002.           break;

    1003. 

  1003.         case 'ャ':

    1004. 

  1004.           builder.append("ya");

    1005. 

  1005.           break;

    1006. 

  1006.         case 'ュ':

    1007. 

  1007.           builder.append("yu");

    1008. 

  1008.           break;

    1009. 

  1009.         case 'ョ':

    1010. 

  1010.           builder.append("yo");

    1011. 

  1011.           break;

    1012. 

  1012.         case 'ー':

    1013. 

  1013.           break;

    1014. 

  1014.         default:

    1015. 

  1015.           builder.append(ch);

    1016. 

  1016.       }

    1017. 

  1017.     }

    1018. 

  1018.     return builder.toString();

    1019. 

  1019.   }

    1020. 

  1020. }

    1021. 

  1021.