source: branches/0.4/web/addons/job_monarch/dwoo/plugins/builtin/processors/pre.smarty_compat.php @ 755

<?php

/**
 * Performs some template conversions to allow smarty templates to be used by
 * the Dwoo compiler.
 *
 * This software is provided 'as-is', without any express or implied warranty.
 * In no event will the authors be held liable for any damages arising from the use of this software.
 *
 * @author     Jordi Boggiano <j.boggiano@seld.be>
 * @copyright  Copyright (c) 2008, Jordi Boggiano
 * @license    http://dwoo.org/LICENSE   Modified BSD License
 * @link       http://dwoo.org/
 * @version    1.0.0
 * @date       2008-10-23
 * @package    Dwoo
 */
class Dwoo_Processor_smarty_compat extends Dwoo_Processor
{
        public function process($input)
        {
                list($l, $r) = $this->compiler->getDelimiters();

                $rl = preg_quote($l,'/');
                $rr = preg_quote($r,'/');
                $sectionParam = '(?:(name|loop|start|step|max|show)\s*=\s*(\S+))?\s*';
                $input = preg_replace_callback('/'.$rl.'\s*section '.str_repeat($sectionParam, 6).'\s*'.$rr.'(.+?)(?:'.$rl.'\s*sectionelse\s*'.$rr.'(.+?))?'.$rl.'\s*\/section\s*'.$rr.'/is', array($this, 'convertSection'), $input);
                $input = str_replace('$smarty.section.', '$smarty.for.', $input);

                $smarty = array
                (
                        '/'.$rl.'\s*ldelim\s*'.$rr.'/',
                        '/'.$rl.'\s*rdelim\s*'.$rr.'/',
                        '/'.$rl.'\s*\$smarty\.ldelim\s*'.$rr.'/',
                        '/'.$rl.'\s*\$smarty\.rdelim\s*'.$rr.'/',
                        '/\$smarty\./',
                        '/'.$rl.'\s*php\s*'.$rr.'/',
                        '/'.$rl.'\s*\/php\s*'.$rr.'/',
                        '/\|(@?)strip(\||'.$rr.')/',
                        '/'.$rl.'\s*sectionelse\s*'.$rr.'/',
                );

                $dwoo = array
                (
                        '\\'.$l,
                        $r,
                        '\\'.$l,
                        $r,
                        '$dwoo.',
                        '<?php ',
                        ' ?>',
                        '|$1whitespace$2',
                        $l.'else'.$r,
                );

                if (preg_match('{\|@([a-z][a-z0-9_]*)}i', $input, $matches)) {
                        trigger_error('The Smarty Compatibility Module has detected that you use |@'.$matches[1].' in your template, this might lead to problems as Dwoo interprets the @ operator differently than Smarty, see http://wiki.dwoo.org/index.php/Syntax#The_.40_Operator', E_USER_NOTICE);
                }

                return preg_replace($smarty, $dwoo, $input);
        }

        protected function convertSection(array $matches)
        {
                $params = array();
                $index = 1;
                while (!empty($matches[$index]) && $index < 13) {
                        $params[$matches[$index]] = $matches[$index+1];
                        $index += 2;
                }
                return str_replace('['.trim($params['name'], '"\'').']', '[$'.trim($params['name'], '"\'').']', $matches[0]);
        }
}