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Apache Lucene (module: kuromoji)
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.lucene.analysis.ja.util;
import java.io.IOException;
import java.util.HashMap;
/** Utility class for english translations of morphological data, used only for debugging. */
public class ToStringUtil {
// a translation map for parts of speech, only used for reflectWith
private static final HashMap posTranslations = new HashMap<>();
static {
posTranslations.put("名詞", "noun");
posTranslations.put("名詞-一般", "noun-common");
posTranslations.put("名詞-固有名詞", "noun-proper");
posTranslations.put("名詞-固有名詞-一般", "noun-proper-misc");
posTranslations.put("名詞-固有名詞-人名", "noun-proper-person");
posTranslations.put("名詞-固有名詞-人名-一般", "noun-proper-person-misc");
posTranslations.put("名詞-固有名詞-人名-姓", "noun-proper-person-surname");
posTranslations.put("名詞-固有名詞-人名-名", "noun-proper-person-given_name");
posTranslations.put("名詞-固有名詞-組織", "noun-proper-organization");
posTranslations.put("名詞-固有名詞-地域", "noun-proper-place");
posTranslations.put("名詞-固有名詞-地域-一般", "noun-proper-place-misc");
posTranslations.put("名詞-固有名詞-地域-国", "noun-proper-place-country");
posTranslations.put("名詞-代名詞", "noun-pronoun");
posTranslations.put("名詞-代名詞-一般", "noun-pronoun-misc");
posTranslations.put("名詞-代名詞-縮約", "noun-pronoun-contraction");
posTranslations.put("名詞-副詞可能", "noun-adverbial");
posTranslations.put("名詞-サ変接続", "noun-verbal");
posTranslations.put("名詞-形容動詞語幹", "noun-adjective-base");
posTranslations.put("名詞-数", "noun-numeric");
posTranslations.put("名詞-非自立", "noun-affix");
posTranslations.put("名詞-非自立-一般", "noun-affix-misc");
posTranslations.put("名詞-非自立-副詞可能", "noun-affix-adverbial");
posTranslations.put("名詞-非自立-助動詞語幹", "noun-affix-aux");
posTranslations.put("名詞-非自立-形容動詞語幹", "noun-affix-adjective-base");
posTranslations.put("名詞-特殊", "noun-special");
posTranslations.put("名詞-特殊-助動詞語幹", "noun-special-aux");
posTranslations.put("名詞-接尾", "noun-suffix");
posTranslations.put("名詞-接尾-一般", "noun-suffix-misc");
posTranslations.put("名詞-接尾-人名", "noun-suffix-person");
posTranslations.put("名詞-接尾-地域", "noun-suffix-place");
posTranslations.put("名詞-接尾-サ変接続", "noun-suffix-verbal");
posTranslations.put("名詞-接尾-助動詞語幹", "noun-suffix-aux");
posTranslations.put("名詞-接尾-形容動詞語幹", "noun-suffix-adjective-base");
posTranslations.put("名詞-接尾-副詞可能", "noun-suffix-adverbial");
posTranslations.put("名詞-接尾-助数詞", "noun-suffix-classifier");
posTranslations.put("名詞-接尾-特殊", "noun-suffix-special");
posTranslations.put("名詞-接続詞的", "noun-suffix-conjunctive");
posTranslations.put("名詞-動詞非自立的", "noun-verbal_aux");
posTranslations.put("名詞-引用文字列", "noun-quotation");
posTranslations.put("名詞-ナイ形容詞語幹", "noun-nai_adjective");
posTranslations.put("接頭詞", "prefix");
posTranslations.put("接頭詞-名詞接続", "prefix-nominal");
posTranslations.put("接頭詞-動詞接続", "prefix-verbal");
posTranslations.put("接頭詞-形容詞接続", "prefix-adjectival");
posTranslations.put("接頭詞-数接続", "prefix-numerical");
posTranslations.put("動詞", "verb");
posTranslations.put("動詞-自立", "verb-main");
posTranslations.put("動詞-非自立", "verb-auxiliary");
posTranslations.put("動詞-接尾", "verb-suffix");
posTranslations.put("形容詞", "adjective");
posTranslations.put("形容詞-自立", "adjective-main");
posTranslations.put("形容詞-非自立", "adjective-auxiliary");
posTranslations.put("形容詞-接尾", "adjective-suffix");
posTranslations.put("副詞", "adverb");
posTranslations.put("副詞-一般", "adverb-misc");
posTranslations.put("副詞-助詞類接続", "adverb-particle_conjunction");
posTranslations.put("連体詞", "adnominal");
posTranslations.put("接続詞", "conjunction");
posTranslations.put("助詞", "particle");
posTranslations.put("助詞-格助詞", "particle-case");
posTranslations.put("助詞-格助詞-一般", "particle-case-misc");
posTranslations.put("助詞-格助詞-引用", "particle-case-quote");
posTranslations.put("助詞-格助詞-連語", "particle-case-compound");
posTranslations.put("助詞-接続助詞", "particle-conjunctive");
posTranslations.put("助詞-係助詞", "particle-dependency");
posTranslations.put("助詞-副助詞", "particle-adverbial");
posTranslations.put("助詞-間投助詞", "particle-interjective");
posTranslations.put("助詞-並立助詞", "particle-coordinate");
posTranslations.put("助詞-終助詞", "particle-final");
posTranslations.put("助詞-副助詞／並立助詞／終助詞", "particle-adverbial/conjunctive/final");
posTranslations.put("助詞-連体化", "particle-adnominalizer");
posTranslations.put("助詞-副詞化", "particle-adnominalizer");
posTranslations.put("助詞-特殊", "particle-special");
posTranslations.put("助動詞", "auxiliary-verb");
posTranslations.put("感動詞", "interjection");
posTranslations.put("記号", "symbol");
posTranslations.put("記号-一般", "symbol-misc");
posTranslations.put("記号-句点", "symbol-period");
posTranslations.put("記号-読点", "symbol-comma");
posTranslations.put("記号-空白", "symbol-space");
posTranslations.put("記号-括弧開", "symbol-open_bracket");
posTranslations.put("記号-括弧閉", "symbol-close_bracket");
posTranslations.put("記号-アルファベット", "symbol-alphabetic");
posTranslations.put("その他", "other");
posTranslations.put("その他-間投", "other-interjection");
posTranslations.put("フィラー", "filler");
posTranslations.put("非言語音", "non-verbal");
posTranslations.put("語断片", "fragment");
posTranslations.put("未知語", "unknown");
}
/** Get the english form of a POS tag */
public static String getPOSTranslation(String s) {
return posTranslations.get(s);
}
// a translation map for inflection types, only used for reflectWith
private static final HashMap inflTypeTranslations = new HashMap<>();
static {
inflTypeTranslations.put("*", "*");
inflTypeTranslations.put("形容詞・アウオ段", "adj-group-a-o-u");
inflTypeTranslations.put("形容詞・イ段", "adj-group-i");
inflTypeTranslations.put("形容詞・イイ", "adj-group-ii");
inflTypeTranslations.put("不変化型", "non-inflectional");
inflTypeTranslations.put("特殊・タ", "special-da");
inflTypeTranslations.put("特殊・ダ", "special-ta");
inflTypeTranslations.put("文語・ゴトシ", "classical-gotoshi");
inflTypeTranslations.put("特殊・ジャ", "special-ja");
inflTypeTranslations.put("特殊・ナイ", "special-nai");
inflTypeTranslations.put("五段・ラ行特殊", "5-row-cons-r-special");
inflTypeTranslations.put("特殊・ヌ", "special-nu");
inflTypeTranslations.put("文語・キ", "classical-ki");
inflTypeTranslations.put("特殊・タイ", "special-tai");
inflTypeTranslations.put("文語・ベシ", "classical-beshi");
inflTypeTranslations.put("特殊・ヤ", "special-ya");
inflTypeTranslations.put("文語・マジ", "classical-maji");
inflTypeTranslations.put("下二・タ行", "2-row-lower-cons-t");
inflTypeTranslations.put("特殊・デス", "special-desu");
inflTypeTranslations.put("特殊・マス", "special-masu");
inflTypeTranslations.put("五段・ラ行アル", "5-row-aru");
inflTypeTranslations.put("文語・ナリ", "classical-nari");
inflTypeTranslations.put("文語・リ", "classical-ri");
inflTypeTranslations.put("文語・ケリ", "classical-keri");
inflTypeTranslations.put("文語・ル", "classical-ru");
inflTypeTranslations.put("五段・カ行イ音便", "5-row-cons-k-i-onbin");
inflTypeTranslations.put("五段・サ行", "5-row-cons-s");
inflTypeTranslations.put("一段", "1-row");
inflTypeTranslations.put("五段・ワ行促音便", "5-row-cons-w-cons-onbin");
inflTypeTranslations.put("五段・マ行", "5-row-cons-m");
inflTypeTranslations.put("五段・タ行", "5-row-cons-t");
inflTypeTranslations.put("五段・ラ行", "5-row-cons-r");
inflTypeTranslations.put("サ変・−スル", "irregular-suffix-suru");
inflTypeTranslations.put("五段・ガ行", "5-row-cons-g");
inflTypeTranslations.put("サ変・−ズル", "irregular-suffix-zuru");
inflTypeTranslations.put("五段・バ行", "5-row-cons-b");
inflTypeTranslations.put("五段・ワ行ウ音便", "5-row-cons-w-u-onbin");
inflTypeTranslations.put("下二・ダ行", "2-row-lower-cons-d");
inflTypeTranslations.put("五段・カ行促音便ユク", "5-row-cons-k-cons-onbin-yuku");
inflTypeTranslations.put("上二・ダ行", "2-row-upper-cons-d");
inflTypeTranslations.put("五段・カ行促音便", "5-row-cons-k-cons-onbin");
inflTypeTranslations.put("一段・得ル", "1-row-eru");
inflTypeTranslations.put("四段・タ行", "4-row-cons-t");
inflTypeTranslations.put("五段・ナ行", "5-row-cons-n");
inflTypeTranslations.put("下二・ハ行", "2-row-lower-cons-h");
inflTypeTranslations.put("四段・ハ行", "4-row-cons-h");
inflTypeTranslations.put("四段・バ行", "4-row-cons-b");
inflTypeTranslations.put("サ変・スル", "irregular-suru");
inflTypeTranslations.put("上二・ハ行", "2-row-upper-cons-h");
inflTypeTranslations.put("下二・マ行", "2-row-lower-cons-m");
inflTypeTranslations.put("四段・サ行", "4-row-cons-s");
inflTypeTranslations.put("下二・ガ行", "2-row-lower-cons-g");
inflTypeTranslations.put("カ変・来ル", "kuru-kanji");
inflTypeTranslations.put("一段・クレル", "1-row-kureru");
inflTypeTranslations.put("下二・得", "2-row-lower-u");
inflTypeTranslations.put("カ変・クル", "kuru-kana");
inflTypeTranslations.put("ラ変", "irregular-cons-r");
inflTypeTranslations.put("下二・カ行", "2-row-lower-cons-k");
}
/** Get the english form of inflection type */
public static String getInflectionTypeTranslation(String s) {
return inflTypeTranslations.get(s);
}
// a translation map for inflection forms, only used for reflectWith
private static final HashMap inflFormTranslations = new HashMap<>();
static {
inflFormTranslations.put("*", "*");
inflFormTranslations.put("基本形", "base");
inflFormTranslations.put("文語基本形", "classical-base");
inflFormTranslations.put("未然ヌ接続", "imperfective-nu-connection");
inflFormTranslations.put("未然ウ接続", "imperfective-u-connection");
inflFormTranslations.put("連用タ接続", "conjunctive-ta-connection");
inflFormTranslations.put("連用テ接続", "conjunctive-te-connection");
inflFormTranslations.put("連用ゴザイ接続", "conjunctive-gozai-connection");
inflFormTranslations.put("体言接続", "uninflected-connection");
inflFormTranslations.put("仮定形", "subjunctive");
inflFormTranslations.put("命令ｅ", "imperative-e");
inflFormTranslations.put("仮定縮約１", "conditional-contracted-1");
inflFormTranslations.put("仮定縮約２", "conditional-contracted-2");
inflFormTranslations.put("ガル接続", "garu-connection");
inflFormTranslations.put("未然形", "imperfective");
inflFormTranslations.put("連用形", "conjunctive");
inflFormTranslations.put("音便基本形", "onbin-base");
inflFormTranslations.put("連用デ接続", "conjunctive-de-connection");
inflFormTranslations.put("未然特殊", "imperfective-special");
inflFormTranslations.put("命令ｉ", "imperative-i");
inflFormTranslations.put("連用ニ接続", "conjunctive-ni-connection");
inflFormTranslations.put("命令ｙｏ", "imperative-yo");
inflFormTranslations.put("体言接続特殊", "adnominal-special");
inflFormTranslations.put("命令ｒｏ", "imperative-ro");
inflFormTranslations.put("体言接続特殊２", "uninflected-special-connection-2");
inflFormTranslations.put("未然レル接続", "imperfective-reru-connection");
inflFormTranslations.put("現代基本形", "modern-base");
inflFormTranslations.put("基本形-促音便", "base-onbin"); // not sure about this
}
/** Get the english form of inflected form */
public static String getInflectedFormTranslation(String s) {
return inflFormTranslations.get(s);
}
/** Romanize katakana with modified hepburn */
public static String getRomanization(String s) {
StringBuilder out = new StringBuilder();
try {
getRomanization(out, s);
} catch (IOException bogus) {
throw new RuntimeException(bogus);
}
return out.toString();
}
/** Romanize katakana with modified hepburn */
// TODO: now that this is used by readingsfilter and not just for
// debugging, fix this to really be a scheme that works best with IMEs
public static void getRomanization(Appendable builder, CharSequence s) throws IOException {
final int len = s.length();
for (int i = 0; i < len; i++) {
// maximum lookahead: 3
char ch = s.charAt(i);
char ch2 = (i < len - 1) ? s.charAt(i + 1) : 0;
char ch3 = (i < len - 2) ? s.charAt(i + 2) : 0;
main:
switch (ch) {
case 'ッ':
switch (ch2) {
case 'カ':
case 'キ':
case 'ク':
case 'ケ':
case 'コ':
builder.append('k');
break main;
case 'サ':
case 'シ':
case 'ス':
case 'セ':
case 'ソ':
builder.append('s');
break main;
case 'タ':
case 'チ':
case 'ツ':
case 'テ':
case 'ト':
builder.append('t');
break main;
case 'パ':
case 'ピ':
case 'プ':
case 'ペ':
case 'ポ':
builder.append('p');
break main;
}
break;
case 'ア':
builder.append('a');
break;
case 'イ':
if (ch2 == 'ィ') {
builder.append("yi");
i++;
} else if (ch2 == 'ェ') {
builder.append("ye");
i++;
} else {
builder.append('i');
}
break;
case 'ウ':
switch (ch2) {
case 'ァ':
builder.append("wa");
i++;
break;
case 'ィ':
builder.append("wi");
i++;
break;
case 'ゥ':
builder.append("wu");
i++;
break;
case 'ェ':
builder.append("we");
i++;
break;
case 'ォ':
builder.append("wo");
i++;
break;
case 'ュ':
builder.append("wyu");
i++;
break;
default:
builder.append('u');
break;
}
break;
case 'エ':
builder.append('e');
break;
case 'オ':
if (ch2 == 'ウ') {
builder.append('ō');
i++;
} else {
builder.append('o');
}
break;
case 'カ':
builder.append("ka");
break;
case 'キ':
if (ch2 == 'ョ' && ch3 == 'ウ') {
builder.append("kyō");
i += 2;
} else if (ch2 == 'ュ' && ch3 == 'ウ') {
builder.append("kyū");
i += 2;
} else if (ch2 == 'ャ') {
builder.append("kya");
i++;
} else if (ch2 == 'ョ') {
builder.append("kyo");
i++;
} else if (ch2 == 'ュ') {
builder.append("kyu");
i++;
} else if (ch2 == 'ェ') {
builder.append("kye");
i++;
} else {
builder.append("ki");
}
break;
case 'ク':
switch (ch2) {
case 'ァ':
builder.append("kwa");
i++;
break;
case 'ィ':
builder.append("kwi");
i++;
break;
case 'ェ':
builder.append("kwe");
i++;
break;
case 'ォ':
builder.append("kwo");
i++;
break;
case 'ヮ':
builder.append("kwa");
i++;
break;
default:
builder.append("ku");
break;
}
break;
case 'ケ':
builder.append("ke");
break;
case 'コ':
if (ch2 == 'ウ') {
builder.append("kō");
i++;
} else {
builder.append("ko");
}
break;
case 'サ':
builder.append("sa");
break;
case 'シ':
if (ch2 == 'ョ' && ch3 == 'ウ') {
builder.append("shō");
i += 2;
} else if (ch2 == 'ュ' && ch3 == 'ウ') {
builder.append("shū");
i += 2;
} else if (ch2 == 'ャ') {
builder.append("sha");
i++;
} else if (ch2 == 'ョ') {
builder.append("sho");
i++;
} else if (ch2 == 'ュ') {
builder.append("shu");
i++;
} else if (ch2 == 'ェ') {
builder.append("she");
i++;
} else {
builder.append("shi");
}
break;
case 'ス':
if (ch2 == 'ィ') {
builder.append("si");
i++;
} else {
builder.append("su");
}
break;
case 'セ':
builder.append("se");
break;
case 'ソ':
if (ch2 == 'ウ') {
builder.append("sō");
i++;
} else {
builder.append("so");
}
break;
case 'タ':
builder.append("ta");
break;
case 'チ':
if (ch2 == 'ョ' && ch3 == 'ウ') {
builder.append("chō");
i += 2;
} else if (ch2 == 'ュ' && ch3 == 'ウ') {
builder.append("chū");
i += 2;
} else if (ch2 == 'ャ') {
builder.append("cha");
i++;
} else if (ch2 == 'ョ') {
builder.append("cho");
i++;
} else if (ch2 == 'ュ') {
builder.append("chu");
i++;
} else if (ch2 == 'ェ') {
builder.append("che");
i++;
} else {
builder.append("chi");
}
break;
case 'ツ':
if (ch2 == 'ァ') {
builder.append("tsa");
i++;
} else if (ch2 == 'ィ') {
builder.append("tsi");
i++;
} else if (ch2 == 'ェ') {
builder.append("tse");
i++;
} else if (ch2 == 'ォ') {
builder.append("tso");
i++;
} else if (ch2 == 'ュ') {
builder.append("tsyu");
i++;
} else {
builder.append("tsu");
}
break;
case 'テ':
if (ch2 == 'ィ') {
builder.append("ti");
i++;
} else if (ch2 == 'ゥ') {
builder.append("tu");
i++;
} else if (ch2 == 'ュ') {
builder.append("tyu");
i++;
} else {
builder.append("te");
}
break;
case 'ト':
if (ch2 == 'ウ') {
builder.append("tō");
i++;
} else if (ch2 == 'ゥ') {
builder.append("tu");
i++;
} else {
builder.append("to");
}
break;
case 'ナ':
builder.append("na");
break;
case 'ニ':
if (ch2 == 'ョ' && ch3 == 'ウ') {
builder.append("nyō");
i += 2;
} else if (ch2 == 'ュ' && ch3 == 'ウ') {
builder.append("nyū");
i += 2;
} else if (ch2 == 'ャ') {
builder.append("nya");
i++;
} else if (ch2 == 'ョ') {
builder.append("nyo");
i++;
} else if (ch2 == 'ュ') {
builder.append("nyu");
i++;
} else if (ch2 == 'ェ') {
builder.append("nye");
i++;
} else {
builder.append("ni");
}
break;
case 'ヌ':
builder.append("nu");
break;
case 'ネ':
builder.append("ne");
break;
case 'ノ':
if (ch2 == 'ウ') {
builder.append("nō");
i++;
} else {
builder.append("no");
}
break;
case 'ハ':
builder.append("ha");
break;
case 'ヒ':
if (ch2 == 'ョ' && ch3 == 'ウ') {
builder.append("hyō");
i += 2;
} else if (ch2 == 'ュ' && ch3 == 'ウ') {
builder.append("hyū");
i += 2;
} else if (ch2 == 'ャ') {
builder.append("hya");
i++;
} else if (ch2 == 'ョ') {
builder.append("hyo");
i++;
} else if (ch2 == 'ュ') {
builder.append("hyu");
i++;
} else if (ch2 == 'ェ') {
builder.append("hye");
i++;
} else {
builder.append("hi");
}
break;
case 'フ':
if (ch2 == 'ャ') {
builder.append("fya");
i++;
} else if (ch2 == 'ュ') {
builder.append("fyu");
i++;
} else if (ch2 == 'ィ' && ch3 == 'ェ') {
builder.append("fye");
i += 2;
} else if (ch2 == 'ョ') {
builder.append("fyo");
i++;
} else if (ch2 == 'ァ') {
builder.append("fa");
i++;
} else if (ch2 == 'ィ') {
builder.append("fi");
i++;
} else if (ch2 == 'ェ') {
builder.append("fe");
i++;
} else if (ch2 == 'ォ') {
builder.append("fo");
i++;
} else {
builder.append("fu");
}
break;
case 'ヘ':
builder.append("he");
break;
case 'ホ':
if (ch2 == 'ウ') {
builder.append("hō");
i++;
} else if (ch2 == 'ゥ') {
builder.append("hu");
i++;
} else {
builder.append("ho");
}
break;
case 'マ':
builder.append("ma");
break;
case 'ミ':
if (ch2 == 'ョ' && ch3 == 'ウ') {
builder.append("myō");
i += 2;
} else if (ch2 == 'ュ' && ch3 == 'ウ') {
builder.append("myū");
i += 2;
} else if (ch2 == 'ャ') {
builder.append("mya");
i++;
} else if (ch2 == 'ョ') {
builder.append("myo");
i++;
} else if (ch2 == 'ュ') {
builder.append("myu");
i++;
} else if (ch2 == 'ェ') {
builder.append("mye");
i++;
} else {
builder.append("mi");
}
break;
case 'ム':
builder.append("mu");
break;
case 'メ':
builder.append("me");
break;
case 'モ':
if (ch2 == 'ウ') {
builder.append("mō");
i++;
} else {
builder.append("mo");
}
break;
case 'ヤ':
builder.append("ya");
break;
case 'ユ':
builder.append("yu");
break;
case 'ヨ':
if (ch2 == 'ウ') {
builder.append("yō");
i++;
} else {
builder.append("yo");
}
break;
case 'ラ':
if (ch2 == '゜') {
builder.append("la");
i++;
} else {
builder.append("ra");
}
break;
case 'リ':
if (ch2 == 'ョ' && ch3 == 'ウ') {
builder.append("ryō");
i += 2;
} else if (ch2 == 'ュ' && ch3 == 'ウ') {
builder.append("ryū");
i += 2;
} else if (ch2 == 'ャ') {
builder.append("rya");
i++;
} else if (ch2 == 'ョ') {
builder.append("ryo");
i++;
} else if (ch2 == 'ュ') {
builder.append("ryu");
i++;
} else if (ch2 == 'ェ') {
builder.append("rye");
i++;
} else if (ch2 == '゜') {
builder.append("li");
i++;
} else {
builder.append("ri");
}
break;
case 'ル':
if (ch2 == '゜') {
builder.append("lu");
i++;
} else {
builder.append("ru");
}
break;
case 'レ':
if (ch2 == '゜') {
builder.append("le");
i++;
} else {
builder.append("re");
}
break;
case 'ロ':
if (ch2 == 'ウ') {
builder.append("rō");
i++;
} else if (ch2 == '゜') {
builder.append("lo");
i++;
} else {
builder.append("ro");
}
break;
case 'ワ':
builder.append("wa");
break;
case 'ヰ':
builder.append("i");
break;
case 'ヱ':
builder.append("e");
break;
case 'ヲ':
builder.append("o");
break;
case 'ン':
switch (ch2) {
case 'バ':
case 'ビ':
case 'ブ':
case 'ベ':
case 'ボ':
case 'パ':
case 'ピ':
case 'プ':
case 'ペ':
case 'ポ':
case 'マ':
case 'ミ':
case 'ム':
case 'メ':
case 'モ':
builder.append('m');
break main;
case 'ヤ':
case 'ユ':
case 'ヨ':
case 'ア':
case 'イ':
case 'ウ':
case 'エ':
case 'オ':
builder.append("n'");
break main;
default:
builder.append("n");
break main;
}
case 'ガ':
builder.append("ga");
break;
case 'ギ':
if (ch2 == 'ョ' && ch3 == 'ウ') {
builder.append("gyō");
i += 2;
} else if (ch2 == 'ュ' && ch3 == 'ウ') {
builder.append("gyū");
i += 2;
} else if (ch2 == 'ャ') {
builder.append("gya");
i++;
} else if (ch2 == 'ョ') {
builder.append("gyo");
i++;
} else if (ch2 == 'ュ') {
builder.append("gyu");
i++;
} else if (ch2 == 'ェ') {
builder.append("gye");
i++;
} else {
builder.append("gi");
}
break;
case 'グ':
switch (ch2) {
case 'ァ':
builder.append("gwa");
i++;
break;
case 'ィ':
builder.append("gwi");
i++;
break;
case 'ェ':
builder.append("gwe");
i++;
break;
case 'ォ':
builder.append("gwo");
i++;
break;
case 'ヮ':
builder.append("gwa");
i++;
break;
default:
builder.append("gu");
break;
}
break;
case 'ゲ':
builder.append("ge");
break;
case 'ゴ':
if (ch2 == 'ウ') {
builder.append("gō");
i++;
} else {
builder.append("go");
}
break;
case 'ザ':
builder.append("za");
break;
case 'ジ':
if (ch2 == 'ョ' && ch3 == 'ウ') {
builder.append("jō");
i += 2;
} else if (ch2 == 'ュ' && ch3 == 'ウ') {
builder.append("jū");
i += 2;
} else if (ch2 == 'ャ') {
builder.append("ja");
i++;
} else if (ch2 == 'ョ') {
builder.append("jo");
i++;
} else if (ch2 == 'ュ') {
builder.append("ju");
i++;
} else if (ch2 == 'ェ') {
builder.append("je");
i++;
} else {
builder.append("ji");
}
break;
case 'ズ':
if (ch2 == 'ィ') {
builder.append("zi");
i++;
} else {
builder.append("zu");
}
break;
case 'ゼ':
builder.append("ze");
break;
case 'ゾ':
if (ch2 == 'ウ') {
builder.append("zō");
i++;
} else {
builder.append("zo");
}
break;
case 'ダ':
builder.append("da");
break;
case 'ヂ':
// TODO: investigate all this
if (ch2 == 'ョ' && ch3 == 'ウ') {
builder.append("jō");
i += 2;
} else if (ch2 == 'ュ' && ch3 == 'ウ') {
builder.append("jū");
i += 2;
} else if (ch2 == 'ャ') {
builder.append("ja");
i++;
} else if (ch2 == 'ョ') {
builder.append("jo");
i++;
} else if (ch2 == 'ュ') {
builder.append("ju");
i++;
} else if (ch2 == 'ェ') {
builder.append("je");
i++;
} else {
builder.append("ji");
}
break;
case 'ヅ':
builder.append("zu");
break;
case 'デ':
if (ch2 == 'ィ') {
builder.append("di");
i++;
} else if (ch2 == 'ュ') {
builder.append("dyu");
i++;
} else {
builder.append("de");
}
break;
case 'ド':
if (ch2 == 'ウ') {
builder.append("dō");
i++;
} else if (ch2 == 'ゥ') {
builder.append("du");
i++;
} else {
builder.append("do");
}
break;
case 'バ':
builder.append("ba");
break;
case 'ビ':
if (ch2 == 'ョ' && ch3 == 'ウ') {
builder.append("byō");
i += 2;
} else if (ch2 == 'ュ' && ch3 == 'ウ') {
builder.append("byū");
i += 2;
} else if (ch2 == 'ャ') {
builder.append("bya");
i++;
} else if (ch2 == 'ョ') {
builder.append("byo");
i++;
} else if (ch2 == 'ュ') {
builder.append("byu");
i++;
} else if (ch2 == 'ェ') {
builder.append("bye");
i++;
} else {
builder.append("bi");
}
break;
case 'ブ':
builder.append("bu");
break;
case 'ベ':
builder.append("be");
break;
case 'ボ':
if (ch2 == 'ウ') {
builder.append("bō");
i++;
} else {
builder.append("bo");
}
break;
case 'パ':
builder.append("pa");
break;
case 'ピ':
if (ch2 == 'ョ' && ch3 == 'ウ') {
builder.append("pyō");
i += 2;
} else if (ch2 == 'ュ' && ch3 == 'ウ') {
builder.append("pyū");
i += 2;
} else if (ch2 == 'ャ') {
builder.append("pya");
i++;
} else if (ch2 == 'ョ') {
builder.append("pyo");
i++;
} else if (ch2 == 'ュ') {
builder.append("pyu");
i++;
} else if (ch2 == 'ェ') {
builder.append("pye");
i++;
} else {
builder.append("pi");
}
break;
case 'プ':
builder.append("pu");
break;
case 'ペ':
builder.append("pe");
break;
case 'ポ':
if (ch2 == 'ウ') {
builder.append("pō");
i++;
} else {
builder.append("po");
}
break;
case 'ヷ':
builder.append("va");
break;
case 'ヸ':
builder.append("vi");
break;
case 'ヹ':
builder.append("ve");
break;
case 'ヺ':
builder.append("vo");
break;
case 'ヴ':
if (ch2 == 'ィ' && ch3 == 'ェ') {
builder.append("vye");
i += 2;
} else {
builder.append('v');
}
break;
case 'ァ':
builder.append('a');
break;
case 'ィ':
builder.append('i');
break;
case 'ゥ':
builder.append('u');
break;
case 'ェ':
builder.append('e');
break;
case 'ォ':
builder.append('o');
break;
case 'ヮ':
builder.append("wa");
break;
case 'ャ':
builder.append("ya");
break;
case 'ュ':
builder.append("yu");
break;
case 'ョ':
builder.append("yo");
break;
case 'ー':
break;
default:
builder.append(ch);
}
}
}
}