* @copyright 2004-2007 Lorenzo Alberton
 * @license   http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
 * @version   CVS: $Id$
 * @link      http://pear.php.net/package/Translation2
 */
/**
 * Load Translation2 decorator base class
 */
require_once 'Translation2/Decorator.php';
/**
 * Decorator to replace special chars with the matching html entities.
 *
 * You can set the charset to use (the default being 'ISO-8859-1'):
 * 
 * $tr->setOptions(array('charset' => 'UTF-8'));
 * 
 *
 * @category  Internationalization
 * @package   Translation2
 * @author    Lorenzo Alberton 
 * @copyright 2004-2007 Lorenzo Alberton
 * @license   http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
 * @version   CVS: $Id$
 * @link      http://pear.php.net/package/Translation2
 * @see       http://www.php.net/htmlentities for a list of available charsets.
 */
class Translation2_Decorator_SpecialChars extends Translation2_Decorator
{
    // {{{ class vars
    /**
     * @var string
     * @access protected
     */
    var $charset = 'ISO-8859-1';
    // }}}
    // {{{ get()
    /**
     * Get translated string
     *
     * replace special chars with the matching html entities
     *
     * @param string $stringID    string ID
     * @param string $pageID      page/group ID
     * @param string $langID      language ID
     * @param string $defaultText Text to display when the string is empty
     *
     * @return string
     */
    function get($stringID, $pageID=TRANSLATION2_DEFAULT_PAGEID, $langID=null, $defaultText=null)
    {
        $str = $this->translation2->get($stringID, $pageID, $langID, $defaultText);
        if (PEAR::isError($str)) {
            return $str;
        }
        if (!empty($str)) {
            $str = htmlentities($str, ENT_QUOTES, $this->charset);
        }
        return $str;
    }
    // }}}
    // {{{ getPage()
    /**
     * Same as getRawPage, but apply transformations when needed
     *
     * @param string $pageID page/group ID
     * @param string $langID language ID
     *
     * @return array
     */
    function getPage($pageID=TRANSLATION2_DEFAULT_PAGEID, $langID=null)
    {
        $data = $this->translation2->getPage($pageID, $langID);
        if (PEAR::isError($data)) {
            return $data;
        }
        foreach ($data as $key => $val) {
            if (!empty($val)) {
                $data[$key] = htmlentities($val, ENT_QUOTES, $this->charset);
            }
        }
        return $data;
    }
    // }}}
}
?>