Minor fixes to CRH language conversion.
[lhc/web/wiklou.git] / languages / classes / LanguageCrh.php
1 <?php
2 /**
3 * Crimean Tatar (Qırımtatarca) specific code.
4 *
5 * Adapted from https://crh.wikipedia.org/wiki/Qullan%C4%B1c%C4%B1:Don_Alessandro/Translit
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 * http://www.gnu.org/copyleft/gpl.html
21 *
22 * @file
23 * @ingroup Language
24 */
25
26 /**
27 * Crimean Tatar (Qırımtatarca) converter routines
28 *
29 * @ingroup Language
30 */
31 class CrhConverter extends LanguageConverter {
32 // Defines working character ranges
33
34 // Cyrillic
35 const C_UC = 'АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ'; # Crimean Tatar Cyrillic uppercase
36 const C_LC = 'абвгдеёжзийклмнопрстуфхцчшщъыьэюя'; # Crimean Tatar Cyrillic lowercase
37 const C_CONS_UC = 'БВГДЖЗЙКЛМНПРСТФХЦЧШЩCÑ'; # Crimean Tatar Cyrillic + CÑ uppercase consonants
38 const C_CONS_LC = 'бвгджзйклмнпрстфхцчшщcñ'; # Crimean Tatar Cyrillic + CÑ lowercase consonants
39 const C_M_CONS = 'бгкмшcБГКМШC'; # Crimean Tatar Cyrillic M-type consonants
40
41 // Crimean Tatar Cyrillic + CÑ consonants
42 const C_CONS = 'бвгджзйклмнпрстфхцчшщcñБВГДЖЗЙКЛМНПРСТФХЦЧШЩCÑ';
43
44 // Latin
45 const L_UC = 'AÂBCÇDEFGĞHIİJKLMNÑOÖPQRSŞTUÜVYZ'; # Crimean Tatar Latin uppercase
46 const L_LC = 'aâbcçdefgğhıijklmnñoöpqrsştuüvyz'; # Crimean Tatar Latin lowercase
47 const L_N_CONS_UC = 'ÇNRSTZ'; # Crimean Tatar Latin N-type upper case consonants
48 const L_N_CONS_LC = 'çnrstz'; # Crimean Tatar Latin N-type lower case consonants
49 const L_N_CONS = 'çnrstzÇNRSTZ'; # Crimean Tatar Latin N-type consonants
50 const L_M_CONS = 'bcgkmpşBCGKMPŞ'; # Crimean Tatar Latin M-type consonants
51 const L_CONS_UC = 'BCÇDFGĞHJKLMNÑPQRSŞTVZ'; # Crimean Tatar Latin uppercase consonants
52 const L_CONS_LC = 'bcçdfgğhjklmnñpqrsştvz'; # Crimean Tatar Latin lowercase consonants
53 const L_CONS = 'bcçdfgğhjklmnñpqrsştvzBCÇDFGĞHJKLMNÑPQRSŞTVZ'; # Crimean Tatar Latin consonants
54 const L_VOW_UC = 'AÂEIİOÖUÜ'; # Crimean Tatar Latin uppercase vowels
55 const L_VOW = 'aâeıioöuüAÂEIİOÖUÜ'; # Crimean Tatar Latin vowels
56 const L_F_UC = 'EİÖÜ'; # Crimean Tatar Latin uppercase front vowels
57 const L_F = 'eiöüEİÖÜ'; # Crimean Tatar Latin front vowels
58
59 /**
60 * @param Language $langobj
61 * @param string $maincode
62 * @param array $variants
63 * @param array $variantfallbacks
64 * @param array $flags
65 */
66 function __construct( $langobj, $maincode,
67 $variants = [],
68 $variantfallbacks = [],
69 $flags = [] ) {
70 parent::__construct( $langobj, $maincode,
71 $variants, $variantfallbacks, $flags );
72
73 // No point delaying this since they're in code.
74 // Waiting until loadDefaultTables() means they never get loaded
75 // when the tables themselves are loaded from cache.
76 $this->loadExceptions();
77 }
78
79 public $mCyrillicToLatin = [
80
81 ## these are independent of location in the word, but have
82 ## to go first so other transforms don't bleed them
83 'гъ' => 'ğ', 'Гъ' => 'Ğ', 'ГЪ' => 'Ğ',
84 'къ' => 'q', 'Къ' => 'Q', 'КЪ' => 'Q',
85 'нъ' => 'ñ', 'Нъ' => 'Ñ', 'НЪ' => 'Ñ',
86 'дж' => 'c', 'Дж' => 'C', 'ДЖ' => 'C',
87
88 'А' => 'A', 'а' => 'a', 'Б' => 'B', 'б' => 'b',
89 'В' => 'V', 'в' => 'v', 'Г' => 'G', 'г' => 'g',
90 'Д' => 'D', 'д' => 'd', 'Ж' => 'J', 'ж' => 'j',
91 'З' => 'Z', 'з' => 'z', 'И' => 'İ', 'и' => 'i',
92 'Й' => 'Y', 'й' => 'y', 'К' => 'K', 'к' => 'k',
93 'Л' => 'L', 'л' => 'l', 'М' => 'M', 'м' => 'm',
94 'Н' => 'N', 'н' => 'n', 'П' => 'P', 'п' => 'p',
95 'Р' => 'R', 'р' => 'r', 'С' => 'S', 'с' => 's',
96 'Т' => 'T', 'т' => 't', 'Ф' => 'F', 'ф' => 'f',
97 'Х' => 'H', 'х' => 'h', 'Ч' => 'Ç', 'ч' => 'ç',
98 'Ш' => 'Ş', 'ш' => 'ş', 'Ы' => 'I', 'ы' => 'ı',
99 'Э' => 'E', 'э' => 'e', 'Е' => 'E', 'е' => 'e',
100 'Я' => 'Â', 'я' => 'â', 'У' => 'U', 'у' => 'u',
101 'О' => 'O', 'о' => 'o',
102
103 'Ё' => 'Yo', 'ё' => 'yo', 'Ю' => 'Yu', 'ю' => 'yu',
104 'Ц' => 'Ts', 'ц' => 'ts', 'Щ' => 'Şç', 'щ' => 'şç',
105 'Ь' => '', 'ь' => '', 'Ъ' => '', 'ъ' => '',
106
107 ];
108
109 public $mLatinToCyrillic = [
110 'Â' => 'Я', 'â' => 'я', 'B' => 'Б', 'b' => 'б',
111 'Ç' => 'Ч', 'ç' => 'ч', 'D' => 'Д', 'd' => 'д',
112 'F' => 'Ф', 'f' => 'ф', 'G' => 'Г', 'g' => 'г',
113 'H' => 'Х', 'h' => 'х', 'I' => 'Ы', 'ı' => 'ы',
114 'İ' => 'И', 'i' => 'и', 'J' => 'Ж', 'j' => 'ж',
115 'K' => 'К', 'k' => 'к', 'L' => 'Л', 'l' => 'л',
116 'M' => 'М', 'm' => 'м', 'N' => 'Н', 'n' => 'н',
117 'O' => 'О', 'o' => 'о', 'P' => 'П', 'p' => 'п',
118 'R' => 'Р', 'r' => 'р', 'S' => 'С', 's' => 'с',
119 'Ş' => 'Ш', 'ş' => 'ш', 'T' => 'Т', 't' => 'т',
120 'V' => 'В', 'v' => 'в', 'Z' => 'З', 'z' => 'з',
121
122 'ya' => 'я', 'Ya' => 'Я', 'YA' => 'Я',
123 'ye' => 'е', 'YE' => 'Е', 'Ye' => 'Е',
124
125 // hack, hack, hack
126 'A' => 'А', 'a' => 'а', 'E' => 'Е', 'e' => 'е',
127 'Ö' => 'Ё', 'ö' => 'ё', 'U' => 'У', 'u' => 'у',
128 'Ü' => 'Ю', 'ü' => 'ю', 'Y' => 'Й', 'y' => 'й',
129 'C' => 'Дж', 'c' => 'дж', 'Ğ' => 'Гъ', 'ğ' => 'гъ',
130 'Ñ' => 'Нъ', 'ñ' => 'нъ', 'Q' => 'Къ', 'q' => 'къ',
131
132 ];
133
134 public $mCyrl2LatnExceptions = [];
135 public $mLatn2CyrlExceptions = [];
136
137 public $mCyrl2LatnPatterns = [];
138 public $mLatn2CyrlPatterns = [];
139
140 public $mCyrlCleanUpRegexes = [];
141
142 public $mExceptionsLoaded = false;
143
144 function loadDefaultTables() {
145 $this->mTables = [
146 'crh-latn' => new ReplacementArray( $this->mCyrillicToLatin ),
147 'crh-cyrl' => new ReplacementArray( $this->mLatinToCyrillic ),
148 'crh' => new ReplacementArray()
149 ];
150 }
151
152 function loadExceptions() {
153 if ( $this->mExceptionsLoaded ) {
154 return;
155 }
156
157 $this->mExceptionsLoaded = true;
158 $crhExceptions = new MediaWiki\Languages\Data\CrhExceptions();
159 list( $this->mCyrl2LatnExceptions, $this->mLatn2CyrlExceptions,
160 $this->mCyrl2LatnPatterns, $this->mLatn2CyrlPatterns, $this->mCyrlCleanUpRegexes ) =
161 $crhExceptions->loadExceptions( self::L_LC . self::C_LC, self::L_UC . self::C_UC );
162 }
163
164 /**
165 * A function wrapper:
166 * - if there is no selected variant, leave the link
167 * names as they were
168 * - do not try to find variants for usernames
169 *
170 * @param string &$link
171 * @param Title &$nt
172 * @param bool $ignoreOtherCond
173 */
174 function findVariantLink( &$link, &$nt, $ignoreOtherCond = false ) {
175 // check for user namespace
176 if ( is_object( $nt ) ) {
177 $ns = $nt->getNamespace();
178 if ( $ns == NS_USER || $ns == NS_USER_TALK ) {
179 return;
180 }
181 }
182
183 $oldlink = $link;
184 parent::findVariantLink( $link, $nt, $ignoreOtherCond );
185 if ( $this->getPreferredVariant() == $this->mMainLanguageCode ) {
186 $link = $oldlink;
187 }
188 }
189
190 /**
191 * It translates text into variant, specials:
192 * - omitting roman numbers
193 *
194 * @param string $text
195 * @param bool $toVariant
196 *
197 * @throws MWException
198 * @return string
199 */
200 function translate( $text, $toVariant ) {
201 switch ( $toVariant ) {
202 case 'crh-cyrl':
203 case 'crh-latn':
204 break;
205 default:
206 return $text;
207 }
208
209 if ( !$this->mTablesLoaded ) {
210 $this->loadTables();
211 }
212
213 if ( !isset( $this->mTables[$toVariant] ) ) {
214 throw new MWException( "Broken variant table: " . implode( ',', array_keys( $this->mTables ) ) );
215 }
216
217 switch ( $toVariant ) {
218 case 'crh-cyrl':
219 /* Check for roman numbers like VII, XIX...
220 * Only need to split on Roman numerals when converting to Cyrillic
221 * Lookahead assertion ensures $roman doesn't match the empty string, and
222 * non-period after first "Roman" character allows initials to be converted
223 */
224 $roman = '(?=[MDCLXVI]([^.]|$))M{0,4}(C[DM]|D?C{0,3})(X[LC]|L?X{0,3})(I[VX]|V?I{0,3})';
225
226 $breaks = '([^\w\x80-\xff])';
227
228 // allow for multiple Roman numerals in a row; rare but it happens
229 $romanRegex = '/^' . $roman . '$|^(' . $roman . $breaks . ')+|(' . $breaks . $roman . ')+$|' .
230 $breaks . '(' . $roman . $breaks . ')+/';
231
232 $matches = preg_split( $romanRegex, $text, -1, PREG_SPLIT_OFFSET_CAPTURE );
233 $mstart = 0;
234 $ret = '';
235 foreach ( $matches as $m ) {
236 // copy over Roman numerals
237 $ret .= substr( $text, $mstart, $m[1] - $mstart );
238
239 // process everything else
240 if ( $m[0] !== '' ) {
241 $ret .= $this->regsConverter( $m[0], $toVariant );
242 }
243
244 $mstart = $m[1] + strlen( $m[0] );
245 }
246
247 return $ret;
248 default:
249 // Just process the whole string in one go
250 return $this->regsConverter( $text, $toVariant );
251 }
252 }
253
254 private function regsConverter( $text, $toVariant ) {
255 if ( $text == '' ) return $text;
256
257 $pat = [];
258 $rep = [];
259 switch ( $toVariant ) {
260 case 'crh-latn':
261 $text = strtr( $text, $this->mCyrl2LatnExceptions );
262 foreach ( $this->mCyrl2LatnPatterns as $pat => $rep ) {
263 $text = preg_replace( $pat, $rep, $text );
264 }
265 $text = parent::translate( $text, $toVariant );
266 $text = strtr( $text, [ '«' => '"', '»' => '"', ] );
267 return $text;
268 case 'crh-cyrl':
269 $text = strtr( $text, $this->mLatn2CyrlExceptions );
270 foreach ( $this->mLatn2CyrlPatterns as $pat => $rep ) {
271 $text = preg_replace( $pat, $rep, $text );
272 }
273 $text = parent::translate( $text, $toVariant );
274 $text = strtr( $text, [ '“' => '«', '”' => '»', ] );
275 foreach ( $this->mCyrlCleanUpRegexes as $pat => $rep ) {
276 $text = preg_replace( $pat, $rep, $text );
277 }
278 return $text;
279 default:
280 return $text;
281 }
282 }
283
284 }
285
286 /**
287 * Crimean Tatar (Qırımtatarca)
288 *
289 * @ingroup Language
290 */
291 class LanguageCrh extends Language {
292
293 function __construct() {
294 parent::__construct();
295
296 $variants = [ 'crh', 'crh-cyrl', 'crh-latn' ];
297 $variantfallbacks = [
298 'crh' => 'crh-latn',
299 'crh-cyrl' => 'crh-latn',
300 'crh-latn' => 'crh-cyrl',
301 ];
302
303 $this->mConverter = new CrhConverter( $this, 'crh', $variants, $variantfallbacks );
304 }
305 }