French Typography plugin

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File: syntax.php

<?php
/**
 * French typography plugin
 * Adds non-breaking spaces where needed by French typography rules .
 * GPL 2 (http://www.gnu.org/licenses/gpl.html)
 * Philippe Debar
 */
 
if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../../').'/');
if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
require_once(DOKU_PLUGIN.'syntax.php');
 
class syntax_plugin_frenchtypo extends DokuWiki_Syntax_Plugin {
 
    function getInfo(){
        return array(
            'author' => 'Philippe Debar',
            'date'   => '2007-01-27',
            'name'   => 'French Typography',
            'desc'   => 'Adds non-breaking spaces where needed by French typography rules .',
            'url'    => 'http://www.notamment.be/dokuwiki/plugin/frenchtypo',
        );
    }
 
    // Substitution type - with required back-compatibility typo ;o)
    function getType(){ return 'substition'; }
 
   // No nested modes allowed -> use default getAllowedTypes() {return array();}
   // Can be used inside paragraphs -> use defautl getPType() {return 'normal';}
 
    // When to apply - should experiment with this ?
    function getSort(){
        return 245;
    }
 
    function connectTo($mode) {
      $this->Lexer->addSpecialPattern(' (?=[!?:;»])',$mode,'plugin_frenchtypo');
      $this->Lexer->addSpecialPattern(' (?=»)',$mode,'plugin_frenchtypo');
      $this->Lexer->addSpecialPattern('(?<=«) ',$mode,'plugin_frenchtypo');
      $this->Lexer->addSpecialPattern('(?<=«) ',$mode,'plugin_frenchtypo');
      $this->Lexer->addSpecialPattern('[<]{2} ',$mode,'plugin_frenchtypo');
      $this->Lexer->addSpecialPattern(' >>',$mode,'plugin_frenchtypo');
    }
 
    function handle($match, $state, $pos, &$handler){
        if ($state==DOKU_LEXER_SPECIAL){
            switch ($match) {
              case ' ':
                return 'Â ';
              case '<< ':
                return '« ';
              case ' >>':
                return ' »';
            }
        }
        return $match;
    }
 
    function render($mode, &$renderer, $data) {
        if($mode == 'xhtml'){
            $renderer->doc .= $data;
            return true;
        }
        return false;
    }
}
?>