diff options
Diffstat (limited to 'kana2romaji.cpp')
| -rw-r--r-- | kana2romaji.cpp | 362 |
1 files changed, 362 insertions, 0 deletions
diff --git a/kana2romaji.cpp b/kana2romaji.cpp new file mode 100644 index 0000000..2ba77fd --- /dev/null +++ b/kana2romaji.cpp @@ -0,0 +1,362 @@ +/* +jmdict, a frontend to the JMdict file. http://mandrill.fuxx0r.net/jmdict.php +Copyright (C) 2004 Florian Bluemel (florian.bluemel@uni-dortmund.de) + +This program is free software; you can redistribute it and/or +modify it under the terms of the GNU General Public License +as published by the Free Software Foundation; either version 2 +of the License, or (at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +*/ +// encoding: utf-8 +#include "kana2romaji.h" +#include <map> +#include <iostream> +#include <ostream> +#include <string> + +using namespace std; + +namespace { +void utfchar(const string& from, string::size_type pos, string& to) { + string::value_type first = from[pos]; + if ((first & 0x80) == 0) + to = from[pos]; + else { + string::size_type len = 0; + while (first & 0x80) { + ++len; + first <<= 1; + } + to = from.substr(pos, len); + } +} +} + +typedef map<string, string> romaji_map; +romaji_map romaji; + +void initRomaji() { + // -- hiragana ----- + romaji["あ"] = "a"; + romaji["い"] = "i"; + romaji["う"] = "u"; + romaji["え"] = "e"; + romaji["お"] = "o"; + romaji["か"] = "ka"; + romaji["き"] = "ki"; + romaji["く"] = "ku"; + romaji["け"] = "ke"; + romaji["こ"] = "ko"; + romaji["さ"] = "sa"; + romaji["し"] = "shi"; + romaji["す"] = "su"; + romaji["せ"] = "se"; + romaji["そ"] = "so"; + romaji["た"] = "ta"; + romaji["ち"] = "chi"; + romaji["つ"] = "tsu"; + romaji["て"] = "te"; + romaji["と"] = "to"; + romaji["な"] = "na"; + romaji["に"] = "ni"; + romaji["ぬ"] = "nu"; + romaji["ね"] = "ne"; + romaji["の"] = "no"; + romaji["は"] = "ha"; + romaji["ひ"] = "hi"; + romaji["ふ"] = "fu"; + romaji["へ"] = "he"; + romaji["ほ"] = "ho"; + romaji["ま"] = "ma"; + romaji["み"] = "mi"; + romaji["む"] = "mu"; + romaji["め"] = "me"; + romaji["も"] = "mo"; + romaji["や"] = "ya"; + romaji["ゆ"] = "yu"; + romaji["よ"] = "yo"; + romaji["ら"] = "ra"; + romaji["り"] = "ri"; + romaji["る"] = "ru"; + romaji["れ"] = "re"; + romaji["ろ"] = "ro"; + romaji["わ"] = "wa"; + romaji["ゐ"] = "wi"; + romaji["ゑ"] = "we"; + romaji["を"] = "wo"; + romaji["ん"] = "n"; + + romaji["ぁ"] = "\1a"; + romaji["ぃ"] = "\1i"; + romaji["ぇ"] = "\1e"; + romaji["ぉ"] = "\1o"; + romaji["ゃ"] = "\1ya"; + romaji["ゅ"] = "\1yu"; + romaji["ょ"] = "\1yo"; + romaji["っ"] = "\2"; + + romaji["ゔ"] = "vu"; + romaji["が"] = "ga"; + romaji["ぎ"] = "gi"; + romaji["ぐ"] = "gu"; + romaji["げ"] = "ge"; + romaji["ご"] = "go"; + romaji["ざ"] = "za"; + romaji["じ"] = "ji"; + romaji["ず"] = "zu"; + romaji["ぜ"] = "ze"; + romaji["ぞ"] = "zo"; + romaji["だ"] = "da"; + romaji["ぢ"] = "dzi"; + romaji["づ"] = "dzu"; + romaji["で"] = "de"; + romaji["ど"] = "do"; + romaji["ば"] = "ba"; + romaji["び"] = "bi"; + romaji["ぶ"] = "bu"; + romaji["べ"] = "be"; + romaji["ぼ"] = "bo"; + romaji["ぱ"] = "pa"; + romaji["ぴ"] = "pi"; + romaji["ぷ"] = "pu"; + romaji["ぺ"] = "pe"; + romaji["ぽ"] = "po"; + + // -- katakana ----- + romaji["ア"] = "a"; + romaji["イ"] = "i"; + romaji["ウ"] = "u"; + romaji["エ"] = "e"; + romaji["オ"] = "o"; + romaji["カ"] = "ka"; + romaji["キ"] = "ki"; + romaji["ク"] = "ku"; + romaji["ケ"] = "ke"; + romaji["コ"] = "ko"; + romaji["サ"] = "sa"; + romaji["シ"] = "shi"; + romaji["ス"] = "su"; + romaji["セ"] = "se"; + romaji["ソ"] = "so"; + romaji["タ"] = "ta"; + romaji["チ"] = "chi"; + romaji["ツ"] = "tsu"; + romaji["テ"] = "te"; + romaji["ト"] = "to"; + romaji["ナ"] = "na"; + romaji["ニ"] = "ni"; + romaji["ヌ"] = "nu"; + romaji["ネ"] = "ne"; + romaji["ノ"] = "no"; + romaji["ハ"] = "ha"; + romaji["ヒ"] = "hi"; + romaji["フ"] = "fu"; + romaji["ヘ"] = "he"; + romaji["ホ"] = "ho"; + romaji["マ"] = "ma"; + romaji["ミ"] = "mi"; + romaji["ム"] = "mu"; + romaji["メ"] = "me"; + romaji["モ"] = "mo"; + romaji["ヤ"] = "ya"; + romaji["ユ"] = "yu"; + romaji["ヨ"] = "yo"; + romaji["ラ"] = "ra"; + romaji["リ"] = "ri"; + romaji["ル"] = "ru"; + romaji["レ"] = "re"; + romaji["ロ"] = "ro"; + romaji["ワ"] = "wa"; + romaji["ヰ"] = "wi"; + romaji["ヱ"] = "we"; + romaji["ヲ"] = "wo"; + romaji["ン"] = "n"; + + romaji["ァ"] = "\1a"; + romaji["ィ"] = "\1i"; + romaji["ゥ"] = "\1u"; + romaji["ェ"] = "\1e"; + romaji["ォ"] = "\1o"; + romaji["ヮ"] = "\1wa"; + romaji["ャ"] = "\1ya"; + romaji["ュ"] = "\1yu"; + romaji["ョ"] = "\1yo"; + romaji["ッ"] = "\2"; + + romaji["ヴ"] = "vu"; + romaji["ガ"] = "ga"; + romaji["ギ"] = "gi"; + romaji["グ"] = "gu"; + romaji["ゲ"] = "ge"; + romaji["ゴ"] = "go"; + romaji["ザ"] = "za"; + romaji["ジ"] = "ji"; + romaji["ズ"] = "zu"; + romaji["ゼ"] = "ze"; + romaji["ゾ"] = "zo"; + romaji["ダ"] = "da"; + romaji["ヂ"] = "dzi"; + romaji["ヅ"] = "dzu"; + romaji["デ"] = "de"; + romaji["ド"] = "do"; + romaji["バ"] = "ba"; + romaji["ビ"] = "bi"; + romaji["ブ"] = "bu"; + romaji["ベ"] = "be"; + romaji["ボ"] = "bo"; + romaji["パ"] = "pa"; + romaji["ピ"] = "pi"; + romaji["プ"] = "pu"; + romaji["ペ"] = "pe"; + romaji["ポ"] = "po"; + romaji["ー"] = ""; + + // -- double width letters ------ + romaji["Ａ"] = "A"; + romaji["Ｂ"] = "B"; + romaji["Ｃ"] = "C"; + romaji["Ｄ"] = "D"; + romaji["Ｅ"] = "E"; + romaji["Ｆ"] = "F"; + romaji["Ｇ"] = "G"; + romaji["Ｈ"] = "H"; + romaji["Ｉ"] = "I"; + romaji["Ｊ"] = "J"; + romaji["Ｋ"] = "K"; + romaji["Ｌ"] = "L"; + romaji["Ｍ"] = "M"; + romaji["Ｎ"] = "N"; + romaji["Ｏ"] = "O"; + romaji["Ｐ"] = "P"; + romaji["Ｑ"] = "Q"; + romaji["Ｒ"] = "R"; + romaji["Ｓ"] = "S"; + romaji["Ｔ"] = "T"; + romaji["Ｕ"] = "U"; + romaji["Ｖ"] = "V"; + romaji["Ｗ"] = "W"; + romaji["Ｘ"] = "X"; + romaji["Ｙ"] = "Y"; + romaji["Ｚ"] = "Z"; + + romaji["ａ"] = "a"; + romaji["ｂ"] = "b"; + romaji["ｃ"] = "c"; + romaji["ｄ"] = "d"; + romaji["ｅ"] = "e"; + romaji["ｆ"] = "f"; + romaji["ｇ"] = "g"; + romaji["ｈ"] = "h"; + romaji["ｉ"] = "i"; + romaji["ｊ"] = "j"; + romaji["ｋ"] = "k"; + romaji["ｌ"] = "l"; + romaji["ｍ"] = "m"; + romaji["ｎ"] = "n"; + romaji["ｏ"] = "o"; + romaji["ｐ"] = "p"; + romaji["ｑ"] = "q"; + romaji["ｒ"] = "r"; + romaji["ｓ"] = "s"; + romaji["ｔ"] = "t"; + romaji["ｕ"] = "u"; + romaji["ｖ"] = "v"; + romaji["ｗ"] = "w"; + romaji["ｘ"] = "x"; + romaji["ｙ"] = "y"; + romaji["ｚ"] = "z"; + + romaji["０"] = "0"; + romaji["１"] = "1"; + romaji["２"] = "2"; + romaji["３"] = "3"; + romaji["４"] = "4"; + romaji["５"] = "5"; + romaji["６"] = "6"; + romaji["７"] = "7"; + romaji["８"] = "8"; + romaji["９"] = "9"; + + romaji["！"] = "!"; + romaji["＂"] = "\""; + romaji["＃"] = "#"; + romaji["＄"] = "$"; + romaji["％"] = "%"; + romaji["＆"] = "&"; + romaji["＇"] = "'"; // TODO: + romaji["（"] = "("; + romaji["）"] = ")"; + romaji["＊"] = "*"; + romaji["＋"] = "+"; + romaji["，"] = ","; + romaji["－"] = "-"; + romaji["．"] = "."; + romaji["／"] = "/"; + + romaji["："] = ":"; + romaji["；"] = ";"; + romaji["＜"] = "<"; + romaji["＝"] = "="; + romaji["＞"] = ">"; + romaji["？"] = "?"; + romaji["＠"] = "@"; + + romaji["［"] = "["; + romaji["＼"] = "\\"; + romaji["］"] = "]"; + romaji["＾"] = "^"; + romaji["＿"] = "_"; + romaji["｀"] = "`"; + + romaji["｛"] = "{"; + romaji["｜"] = "|"; + romaji["｝"] = "}"; + romaji["～"] = "~"; + + + // don't know where those belong to + romaji["〜"] = "~"; + romaji["、"] = ","; // TODO: + romaji["−"] = "-"; + + romaji[" "] = " "; + romaji["―"] = "-"; + romaji["・"] = "-"; // FIXME +} + +void kana2romaji(const string& kana, string& rom) { + rom.clear(); + for (string::size_type pos = 0; pos < kana.size(); ) { + string ch; + utfchar(kana, pos, ch); + romaji_map::const_iterator trans = romaji.find(ch); + if (trans == romaji.end()) { + rom += ch; + if (ch.size() > 1) + cout << "Don't know how to translate '" << ch << "' in '" << kana << "' to romaji." << endl; + } + else + rom += trans->second; + pos += ch.size(); + } + for (string::size_type pos = 0; pos < rom.size(); ++pos) + if (rom[pos] == '\1') { + string::size_type from = pos, count = 1; + if (pos > 1 && (rom[pos - 2] == 'h' || rom[pos - 2] == 'j')) { + --from; + count = (pos + 1 < rom.size() && rom[pos + 1] == 'y') ? 3 : 2; + } + rom.erase(from, count); + } + else if (rom[pos] == '\2' && pos + 1 < rom.size()) + rom[pos] = rom[pos + 1]; +} |