Replace.php

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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
//  
//  Copyright (c) 2003 Laurent Bedubourg
//  
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2.1 of the License, or (at your option) any later version.
//  
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//  Lesser General Public License for more details.
//  
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//  
//  Authors: Laurent Bedubourg <laurent.bedubourg@free.fr>
//  

class PHPTAL_Attribute_TAL_Replace extends PHPTAL_Attribute
{
    function activate(&$g, &$tag)
    {
        if (preg_match('/\|\s*?\bdefault\b/sm', $this->expression)) {
            $g->doOBStart();
            foreach ($tag->_children as $child) {
                $err = $child->generateCode($g);
                if (PEAR::isError($err)) { return $err; }
            }
            $g->doOBEnd('$__default__');
            $default = true;
        }
        $g->setSource($tag->name(), $tag->line);
        $exp = new PHPTAL_Expression($g, $tag, $this->expression);
        $exp->setPolicy(_PHPTAL_ES_RECEIVER_IS_OUTPUT);
        $err = $exp->generate();
        if (PEAR::isError($err)) { return $err; }
        
        if (isset($default)) { $g->execute('unset($__default__)'); }
    }
};

?>

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