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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | /** |
| 22 | * Japanese (日本語) |
| 23 | * |
| 24 | * @ingroup Languages |
| 25 | */ |
| 26 | class LanguageJa extends Language { |
| 27 | |
| 28 | public function segmentByWord( $string ) { |
| 29 | // Strip known punctuation? |
| 30 | // $s = preg_replace( '/\xe3\x80[\x80-\xbf]/', '', $s ); # U3000-303f |
| 31 | |
| 32 | // Space strings of like hiragana/katakana/kanji |
| 33 | $hiragana = '(?:\xe3(?:\x81[\x80-\xbf]|\x82[\x80-\x9f]))'; # U3040-309f |
| 34 | $katakana = '(?:\xe3(?:\x82[\xa0-\xbf]|\x83[\x80-\xbf]))'; # U30a0-30ff |
| 35 | $kanji = '(?:\xe3[\x88-\xbf][\x80-\xbf]' |
| 36 | . '|[\xe4-\xe8][\x80-\xbf]{2}' |
| 37 | . '|\xe9[\x80-\xa5][\x80-\xbf]' |
| 38 | . '|\xe9\xa6[\x80-\x99])'; |
| 39 | # U3200-9999 = \xe3\x88\x80-\xe9\xa6\x99 |
| 40 | $reg = "/({$hiragana}+|{$katakana}+|{$kanji}+)/"; |
| 41 | return self::insertSpace( $string, $reg ); |
| 42 | } |
| 43 | |
| 44 | /** |
| 45 | * Italic is not appropriate for Japanese script. |
| 46 | * Unfortunately, most browsers do not recognise this, and render `<em>` as italic. |
| 47 | * |
| 48 | * @param string $text |
| 49 | * @return string |
| 50 | */ |
| 51 | public function emphasize( $text ) { |
| 52 | return $text; |
| 53 | } |
| 54 | } |