languages/classes/LanguageSr.php

   1 <?php
   2 /**
   3  * Serbian (Српски / Srpski) specific code.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Language
  22  */
  23
  24 require_once __DIR__ . '/../LanguageConverter.php';
  25 require_once __DIR__ . '/LanguageSr_ec.php';
  26 require_once __DIR__ . '/LanguageSr_el.php';
  27
  28 /**
  29  * There are two levels of conversion for Serbian: the script level
  30  * (Cyrillics <-> Latin), and the variant level (ekavian
  31  * <->iyekavian). The two are orthogonal. So we really only need two
  32  * dictionaries: one for Cyrillics and Latin, and one for ekavian and
  33  * iyekavian.
  34  *
  35  * @ingroup Language
  36  */
  37 class SrConverter extends LanguageConverter {
  38         public $mToLatin = array(
  39                 'а' => 'a', 'б' => 'b',  'в' => 'v', 'г' => 'g',  'д' => 'd',
  40                 'ђ' => 'đ', 'е' => 'e',  'ж' => 'ž', 'з' => 'z',  'и' => 'i',
  41                 'ј' => 'j', 'к' => 'k',  'л' => 'l', 'љ' => 'lj', 'м' => 'm',
  42                 'н' => 'n', 'њ' => 'nj', 'о' => 'o', 'п' => 'p',  'р' => 'r',
  43                 'с' => 's', 'т' => 't',  'ћ' => 'ć', 'у' => 'u',  'ф' => 'f',
  44                 'х' => 'h', 'ц' => 'c',  'ч' => 'č', 'џ' => 'dž', 'ш' => 'š',
  45
  46                 'А' => 'A', 'Б' => 'B',  'В' => 'V', 'Г' => 'G',  'Д' => 'D',
  47                 'Ђ' => 'Đ', 'Е' => 'E',  'Ж' => 'Ž', 'З' => 'Z',  'И' => 'I',
  48                 'Ј' => 'J', 'К' => 'K',  'Л' => 'L', 'Љ' => 'Lj', 'М' => 'M',
  49                 'Н' => 'N', 'Њ' => 'Nj', 'О' => 'O', 'П' => 'P',  'Р' => 'R',
  50                 'С' => 'S', 'Т' => 'T',  'Ћ' => 'Ć', 'У' => 'U',  'Ф' => 'F',
  51                 'Х' => 'H', 'Ц' => 'C',  'Ч' => 'Č', 'Џ' => 'Dž', 'Ш' => 'Š',
  52         );
  53
  54         public $mToCyrillics = array(
  55                 'a' => 'а', 'b'  => 'б', 'c' => 'ц', 'č' => 'ч', 'ć'  => 'ћ',
  56                 'd' => 'д', 'dž' => 'џ', 'đ' => 'ђ', 'e' => 'е', 'f'  => 'ф',
  57                 'g' => 'г', 'h'  => 'х', 'i' => 'и', 'j' => 'ј', 'k'  => 'к',
  58                 'l' => 'л', 'lj' => 'љ', 'm' => 'м', 'n' => 'н', 'nj' => 'њ',
  59                 'o' => 'о', 'p'  => 'п', 'r' => 'р', 's' => 'с', 'š'  => 'ш',
  60                 't' => 'т', 'u'  => 'у', 'v' => 'в', 'z' => 'з', 'ž'  => 'ж',
  61
  62                 'A' => 'А', 'B'  => 'Б', 'C' => 'Ц', 'Č' => 'Ч', 'Ć'  => 'Ћ',
  63                 'D' => 'Д', 'Dž' => 'Џ', 'Đ' => 'Ђ', 'E' => 'Е', 'F'  => 'Ф',
  64                 'G' => 'Г', 'H'  => 'Х', 'I' => 'И', 'J' => 'Ј', 'K'  => 'К',
  65                 'L' => 'Л', 'LJ' => 'Љ', 'M' => 'М', 'N' => 'Н', 'NJ' => 'Њ',
  66                 'O' => 'О', 'P'  => 'П', 'R' => 'Р', 'S' => 'С', 'Š'  => 'Ш',
  67                 'T' => 'Т', 'U'  => 'У', 'V' => 'В', 'Z' => 'З', 'Ž'  => 'Ж',
  68
  69                 'DŽ' => 'Џ', 'd!ž' => 'дж', 'D!ž' => 'Дж', 'D!Ž' => 'ДЖ',
  70                 'Lj' => 'Љ', 'l!j' => 'лј', 'L!j' => 'Лј', 'L!J' => 'ЛЈ',
  71                 'Nj' => 'Њ', 'n!j' => 'нј', 'N!j' => 'Нј', 'N!J' => 'НЈ'
  72         );
  73
  74         function loadDefaultTables() {
  75                 $this->mTables = array(
  76                         'sr-ec' => new ReplacementArray( $this->mToCyrillics ),
  77                         'sr-el' => new ReplacementArray( $this->mToLatin ),
  78                         'sr' => new ReplacementArray()
  79                 );
  80         }
  81
  82         /**
  83          * rules should be defined as -{ekavian | iyekavian-} -or-
  84          * -{code:text | code:text | ...}-
  85          *
  86          * update: delete all rule parsing because it's not used
  87          * currently, and just produces a couple of bugs
  88          *
  89          * @param $rule string
  90          * @param $flags array
  91          * @return array
  92          */
  93         function parseManualRule( $rule, $flags = array() ) {
  94                 if ( in_array( 'T', $flags ) ) {
  95                         return parent::parseManualRule( $rule, $flags );
  96                 }
  97
  98                 $carray = array();
  99                 // otherwise ignore all formatting
 100                 foreach ( $this->mVariants as $v ) {
 101                         $carray[$v] = $rule;
 102                 }
 103
 104                 return $carray;
 105         }
 106
 107         /**
 108          * A function wrapper:
 109          *   - if there is no selected variant, leave the link
 110          *     names as they were
 111          *   - do not try to find variants for usernames
 112          *
 113          * @param $link string
 114          * @param $nt Title
 115          * @param $ignoreOtherCond bool
 116          */
 117         function findVariantLink( &$link, &$nt, $ignoreOtherCond = false ) {
 118                 // check for user namespace
 119                 if ( is_object( $nt ) ) {
 120                         $ns = $nt->getNamespace();
 121                         if ( $ns == NS_USER || $ns == NS_USER_TALK ) {
 122                                 return;
 123                         }
 124                 }
 125
 126                 $oldlink = $link;
 127                 parent::findVariantLink( $link, $nt, $ignoreOtherCond );
 128                 if ( $this->getPreferredVariant() == $this->mMainLanguageCode ) {
 129                         $link = $oldlink;
 130                 }
 131         }
 132
 133         /**
 134          * An ugly function wrapper for parsing Image titles
 135          * (to prevent image name conversion)
 136          *
 137          * @param $text string
 138          * @param $toVariant bool
 139          *
 140          * @return string
 141          */
 142         function autoConvert( $text, $toVariant = false ) {
 143                 global $wgTitle;
 144                 if ( is_object( $wgTitle ) && $wgTitle->getNamespace() == NS_FILE ) {
 145                         $imagename = $wgTitle->getNsText();
 146                         if ( preg_match( "/^$imagename:/", $text ) ) {
 147                                 return $text;
 148                         }
 149                 }
 150                 return parent::autoConvert( $text, $toVariant );
 151         }
 152
 153         /**
 154          *  It translates text into variant, specials:
 155          *    - ommiting roman numbers
 156          *
 157          * @param $text string
 158          * @param $toVariant string
 159          *
 160          * @throws MWException
 161          * @return string
 162          */
 163         function translate( $text, $toVariant ) {
 164                 $breaks = '[^\w\x80-\xff]';
 165
 166                 // regexp for roman numbers
 167                 $roman = 'M{0,4}(CM|CD|D?C{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})';
 168
 169                 $reg = '/^' . $roman . '$|^' . $roman . $breaks . '|' . $breaks . $roman . '$|' . $breaks . $roman . $breaks . '/';
 170
 171                 $matches = preg_split( $reg, $text, -1, PREG_SPLIT_OFFSET_CAPTURE );
 172
 173                 $m = array_shift( $matches );
 174                 $this->loadTables();
 175                 if ( !isset( $this->mTables[$toVariant] ) ) {
 176                         throw new MWException( "Broken variant table: " . implode( ',', array_keys( $this->mTables ) ) );
 177                 }
 178                 $ret = $this->mTables[$toVariant]->replace( $m[0] );
 179                 $mstart = $m[1] + strlen( $m[0] );
 180                 foreach ( $matches as $m ) {
 181                         $ret .= substr( $text, $mstart, $m[1] -$mstart );
 182                         $ret .= parent::translate( $m[0], $toVariant );
 183                         $mstart = $m[1] + strlen( $m[0] );
 184                 }
 185
 186                 return $ret;
 187         }
 188
 189         /**
 190          * Guess if a text is written in Cyrillic or Latin.
 191          * Overrides LanguageConverter::guessVariant()
 192          *
 193          * @param string  $text The text to be checked
 194          * @param string  $variant Language code of the variant to be checked for
 195          * @return bool  true if $text appears to be written in $variant
 196          *
 197          * @author Nikola Smolenski <smolensk@eunet.rs>
 198          * @since 1.19
 199          */
 200         public function guessVariant( $text, $variant ) {
 201                 $numCyrillic = preg_match_all( "/[шђчћжШЂЧЋЖ]/u", $text, $dummy );
 202                 $numLatin = preg_match_all( "/[šđčćžŠĐČĆŽ]/u", $text, $dummy );
 203
 204                 if ( $variant == 'sr-ec' ) {
 205                         return (boolean) ( $numCyrillic > $numLatin );
 206                 } elseif ( $variant == 'sr-el' ) {
 207                         return (boolean) ( $numLatin > $numCyrillic );
 208                 } else {
 209                         return false;
 210                 }
 211
 212         }
 213
 214 }
 215
 216 /**
 217  * Serbian (Српски / Srpski)
 218  *
 219  * @ingroup Language
 220  */
 221 class LanguageSr extends LanguageSr_ec {
 222         function __construct() {
 223                 global $wgHooks;
 224
 225                 parent::__construct();
 226
 227                 $variants = array( 'sr', 'sr-ec', 'sr-el' );
 228                 $variantfallbacks = array(
 229                         'sr' => 'sr-ec',
 230                         'sr-ec' => 'sr',
 231                         'sr-el' => 'sr',
 232                 );
 233
 234                 $flags = array(
 235                         'S' => 'S', 'писмо' => 'S', 'pismo' => 'S',
 236                         'W' => 'W', 'реч' => 'W', 'reč' => 'W', 'ријеч' => 'W', 'riječ' => 'W'
 237                 );
 238                 $this->mConverter = new SrConverter( $this, 'sr', $variants, $variantfallbacks, $flags );
 239                 $wgHooks['PageContentSaveComplete'][] = $this->mConverter;
 240         }
 241
 242         /**
 243          * @param $count int
 244          * @param $forms array
 245          *
 246          * @return string
 247          */
 248         function convertPlural( $count, $forms ) {
 249                 if ( !count( $forms ) ) {
 250                         return '';
 251                 }
 252
 253                 // If the actual number is not mentioned in the expression, then just two forms are enough:
 254                 // singular for $count == 1
 255                 // plural   for $count != 1
 256                 // For example, "This user belongs to {{PLURAL:$1|one group|several groups}}."
 257                 if ( count( $forms ) === 2 ) {
 258                         return $count == 1 ? $forms[0] : $forms[1];
 259                 }
 260
 261                 // @todo FIXME: CLDR defines 4 plural forms. Form with decimals missing.
 262                 // See http://unicode.org/repos/cldr-tmp/trunk/diff/supplemental/language_plural_rules.html#ru
 263                 $forms = $this->preConvertPlural( $forms, 3 );
 264
 265                 if ( $count > 10 && floor( ( $count % 100 ) / 10 ) == 1 ) {
 266                         return $forms[2];
 267                 } else {
 268                         switch ( $count % 10 ) {
 269                                 case 1: return $forms[0];
 270                                 case 2:
 271                                 case 3:
 272                                 case 4: return $forms[1];
 273                                 default: return $forms[2];
 274                         }
 275                 }
 276         }
 277 }