public static function convertInterwikiLinks($content)
{
$masks = sfConfig::get('app_nahoWikiPlugin_interwiki_links', array('[[%name% %title%]]', '[[%name%]]'));
$pcre_masks = array('name' => '[a-z]+>' . nahoWikiPagePeer::pageNameFormat() . '(?:#[A-Za-z0-9_\\-]+)?', 'title' => '.*?');
$replaces = self::extractLinkReplacements($content, $masks, $pcre_masks);
// Complete the replacements array
$interwiki = sfConfig::get('app_nahoWikiPlugin_interwiki', array());
$web_root = sfContext::getInstance()->getRequest()->getRelativeUrlRoot();
$dir_root = sfConfig::get('sf_web_dir');
$plugin_dir = '/nahoWikiPlugin/images/';
foreach ($replaces as &$replace) {
list($key, $name) = explode('>', $replace['name'], 2);
if (isset($interwiki[$key])) {
$replace['link'] = $interwiki[$key] . rawurlencode($name);
if ($replace['link']) {
$replace['alttext'] = $key;
$key = strtolower($key);
if (is_file($dir_root . ($image = $plugin_dir . 'interwiki/' . $key . '.png'))) {
$replace['image'] = $web_root . $image;
} elseif (is_file($dir_root . ($image = $plugin_dir . 'interwiki/' . $key . '.gif'))) {
$replace['image'] = $web_root . $image;
} elseif (is_file($dir_root . ($image = $plugin_dir . 'interwiki/' . $key . '.jpg'))) {
$replace['image'] = $web_root . $image;
} else {
$replace['image'] = $web_root . $plugin_dir . 'interwiki.png';
}
}
if (!$replace['title']) {
$replace['title'] = $name;
}
}
}
$link_model = sfConfig::get('app_nahoWikiPlugin_interwiki_link_model', '[ %title%](%link%)');
return self::makeLinkReplacements($content, $replaces, $link_model);
}