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   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  
  26  /**
  27   * There are two levels of conversion for Serbian: the script level
  28   * (Cyrillics <-> Latin), and the variant level (ekavian
  29   * <->iyekavian). The two are orthogonal. So we really only need two
  30   * dictionaries: one for Cyrillics and Latin, and one for ekavian and
  31   * iyekavian.
  32   *
  33   * @ingroup Language
  34   */
  35  class SrConverter extends LanguageConverter {
  36      public $mToLatin = array(
  37          'а' => 'a', 'б' => 'b', 'в' => 'v', 'г' => 'g', 'д' => 'd',
  38          'ђ' => 'đ', 'е' => 'e', 'ж' => 'ž', 'з' => 'z', 'и' => 'i',
  39          'ј' => 'j', 'к' => 'k', 'л' => 'l', 'љ' => 'lj', 'м' => 'm',
  40          'н' => 'n', 'њ' => 'nj', 'о' => 'o', 'п' => 'p', 'р' => 'r',
  41          'с' => 's', 'т' => 't', 'ћ' => 'ć', 'у' => 'u', 'ф' => 'f',
  42          'х' => 'h', 'ц' => 'c', 'ч' => 'č', 'џ' => 'dž', 'ш' => 'š',
  43  
  44          'А' => 'A', 'Б' => 'B', 'В' => 'V', 'Г' => 'G', 'Д' => 'D',
  45          'Ђ' => 'Đ', 'Е' => 'E', 'Ж' => 'Ž', 'З' => 'Z', 'И' => 'I',
  46          'Ј' => 'J', 'К' => 'K', 'Л' => 'L', 'Љ' => 'Lj', 'М' => 'M',
  47          'Н' => 'N', 'Њ' => 'Nj', 'О' => 'O', 'П' => 'P', 'Р' => 'R',
  48          'С' => 'S', 'Т' => 'T', 'Ћ' => 'Ć', 'У' => 'U', 'Ф' => 'F',
  49          'Х' => 'H', 'Ц' => 'C', 'Ч' => 'Č', 'Џ' => 'Dž', 'Ш' => 'Š',
  50      );
  51  
  52      public $mToCyrillics = array(
  53          'a' => 'а', 'b' => 'б', 'c' => 'ц', 'č' => 'ч', 'ć' => 'ћ',
  54          'd' => 'д', 'dž' => 'џ', 'đ' => 'ђ', 'e' => 'е', 'f' => 'ф',
  55          'g' => 'г', 'h' => 'х', 'i' => 'и', 'j' => 'ј', 'k' => 'к',
  56          'l' => 'л', 'lj' => 'љ', 'm' => 'м', 'n' => 'н', 'nj' => 'њ',
  57          'o' => 'о', 'p' => 'п', 'r' => 'р', 's' => 'с', 'š' => 'ш',
  58          't' => 'т', 'u' => 'у', 'v' => 'в', 'z' => 'з', 'ž' => 'ж',
  59  
  60          'A' => 'А', 'B' => 'Б', 'C' => 'Ц', 'Č' => 'Ч', 'Ć' => 'Ћ',
  61          'D' => 'Д', 'Dž' => 'Џ', 'Đ' => 'Ђ', 'E' => 'Е', 'F' => 'Ф',
  62          'G' => 'Г', 'H' => 'Х', 'I' => 'И', 'J' => 'Ј', 'K' => 'К',
  63          'L' => 'Л', 'LJ' => 'Љ', 'M' => 'М', 'N' => 'Н', 'NJ' => 'Њ',
  64          'O' => 'О', 'P' => 'П', 'R' => 'Р', 'S' => 'С', 'Š' => 'Ш',
  65          'T' => 'Т', 'U' => 'У', 'V' => 'В', 'Z' => 'З', 'Ž' => 'Ж',
  66  
  67          'DŽ' => 'Џ', 'd!ž' => 'дж', 'D!ž' => 'Дж', 'D!Ž' => 'ДЖ',
  68          'Lj' => 'Љ', 'l!j' => 'лј', 'L!j' => 'Лј', 'L!J' => 'ЛЈ',
  69          'Nj' => 'Њ', 'n!j' => 'нј', 'N!j' => 'Нј', 'N!J' => 'НЈ'
  70      );
  71  
  72  	function loadDefaultTables() {
  73          $this->mTables = array(
  74              'sr-ec' => new ReplacementArray( $this->mToCyrillics ),
  75              'sr-el' => new ReplacementArray( $this->mToLatin ),
  76              'sr' => new ReplacementArray()
  77          );
  78      }
  79  
  80      /**
  81       * rules should be defined as -{ekavian | iyekavian-} -or-
  82       * -{code:text | code:text | ...}-
  83       *
  84       * update: delete all rule parsing because it's not used
  85       * currently, and just produces a couple of bugs
  86       *
  87       * @param string $rule
  88       * @param array $flags
  89       * @return array
  90       */
  91  	function parseManualRule( $rule, $flags = array() ) {
  92          if ( in_array( 'T', $flags ) ) {
  93              return parent::parseManualRule( $rule, $flags );
  94          }
  95  
  96          $carray = array();
  97          // otherwise ignore all formatting
  98          foreach ( $this->mVariants as $v ) {
  99              $carray[$v] = $rule;
 100          }
 101  
 102          return $carray;
 103      }
 104  
 105      /**
 106       * A function wrapper:
 107       *   - if there is no selected variant, leave the link
 108       *     names as they were
 109       *   - do not try to find variants for usernames
 110       *
 111       * @param string &$link
 112       * @param Title &$nt
 113       * @param bool $ignoreOtherCond
 114       */
 115  	function findVariantLink( &$link, &$nt, $ignoreOtherCond = false ) {
 116          // check for user namespace
 117          if ( is_object( $nt ) ) {
 118              $ns = $nt->getNamespace();
 119              if ( $ns == NS_USER || $ns == NS_USER_TALK ) {
 120                  return;
 121              }
 122          }
 123  
 124          $oldlink = $link;
 125          parent::findVariantLink( $link, $nt, $ignoreOtherCond );
 126          if ( $this->getPreferredVariant() == $this->mMainLanguageCode ) {
 127              $link = $oldlink;
 128          }
 129      }
 130  
 131      /**
 132       *  It translates text into variant, specials:
 133       *    - ommiting roman numbers
 134       *
 135       * @param string $text
 136       * @param string $toVariant
 137       *
 138       * @throws MWException
 139       * @return string
 140       */
 141  	function translate( $text, $toVariant ) {
 142          $breaks = '[^\w\x80-\xff]';
 143  
 144          // regexp for roman numbers
 145          $roman = 'M{0,4}(CM|CD|D?C{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})';
 146  
 147          $reg = '/^' . $roman . '$|^' . $roman . $breaks . '|' . $breaks
 148              . $roman . '$|' . $breaks . $roman . $breaks . '/';
 149  
 150          $matches = preg_split( $reg, $text, -1, PREG_SPLIT_OFFSET_CAPTURE );
 151  
 152          $m = array_shift( $matches );
 153          $this->loadTables();
 154          if ( !isset( $this->mTables[$toVariant] ) ) {
 155              throw new MWException( "Broken variant table: "
 156                  . implode( ',', array_keys( $this->mTables ) ) );
 157          }
 158          $ret = $this->mTables[$toVariant]->replace( $m[0] );
 159          $mstart = $m[1] + strlen( $m[0] );
 160          foreach ( $matches as $m ) {
 161              $ret .= substr( $text, $mstart, $m[1] -$mstart );
 162              $ret .= parent::translate( $m[0], $toVariant );
 163              $mstart = $m[1] + strlen( $m[0] );
 164          }
 165  
 166          return $ret;
 167      }
 168  
 169      /**
 170       * Guess if a text is written in Cyrillic or Latin.
 171       * Overrides LanguageConverter::guessVariant()
 172       *
 173       * @param string $text The text to be checked
 174       * @param string $variant Language code of the variant to be checked for
 175       * @return bool True if $text appears to be written in $variant
 176       *
 177       * @author Nikola Smolenski <[email protected]>
 178       * @since 1.19
 179       */
 180  	public function guessVariant( $text, $variant ) {
 181          $numCyrillic = preg_match_all( "/[шђчћжШЂЧЋЖ]/u", $text, $dummy );
 182          $numLatin = preg_match_all( "/[šđč枊ĐČĆŽ]/u", $text, $dummy );
 183  
 184          if ( $variant == 'sr-ec' ) {
 185              return $numCyrillic > $numLatin;
 186          } elseif ( $variant == 'sr-el' ) {
 187              return $numLatin > $numCyrillic;
 188          } else {
 189              return false;
 190          }
 191  
 192      }
 193  
 194  }
 195  
 196  /**
 197   * Serbian (Српски / Srpski)
 198   *
 199   * @ingroup Language
 200   */
 201  class LanguageSr extends Language {
 202  	function __construct() {
 203          global $wgHooks;
 204  
 205          parent::__construct();
 206  
 207          $variants = array( 'sr', 'sr-ec', 'sr-el' );
 208          $variantfallbacks = array(
 209              'sr' => 'sr-ec',
 210              'sr-ec' => 'sr',
 211              'sr-el' => 'sr',
 212          );
 213  
 214          $flags = array(
 215              'S' => 'S', 'писмо' => 'S', 'pismo' => 'S',
 216              'W' => 'W', 'реч' => 'W', 'reč' => 'W', 'ријеч' => 'W', 'riječ' => 'W'
 217          );
 218          $this->mConverter = new SrConverter( $this, 'sr', $variants, $variantfallbacks, $flags );
 219          $wgHooks['PageContentSaveComplete'][] = $this->mConverter;
 220      }
 221  }