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<?php
/**
* PHPTAL templating engine
*
* PHP Version 5
*
* @category HTML
* @package PHPTAL
* @author Laurent Bedubourg <lbedubourg@motion-twin.com>
* @author Kornel Lesiński <kornel@aardvarkmedia.co.uk>
* @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License
* @version SVN: $Id$
* @link http://phptal.org/
*/
/**
* METAL Specification 1.0
*
* argument ::= Name
*
* Example:
*
* <table metal:define-macro="sidebar">
* <tr><th>Links</th></tr>
* <tr><td metal:define-slot="links">
* <a href="/">A Link</a>
* </td></tr>
* </table>
*
* PHPTAL: (access to slots may be renamed)
*
* <?php function XXXX_macro_sidebar($tpl) { ? >
* <table>
* <tr><th>Links</th></tr>
* <tr>
* <?php if (isset($tpl->slots->links)): ? >
* <?php echo $tpl->slots->links ? >
* <?php else: ? >
* <td>
* <a href="/">A Link</a>
* </td></tr>
* </table>
* <?php } ? >
*
* @package PHPTAL
* @subpackage Php.attribute.metal
* @author Laurent Bedubourg <lbedubourg@motion-twin.com>
*/
class PHPTAL_Php_Attribute_METAL_DefineSlot extends PHPTAL_Php_Attribute
{
private $tmp_var;
public function before(PHPTAL_Php_CodeWriter $codewriter)
{
$this->tmp_var = $codewriter->createTempVariable();
$codewriter->doSetVar($this->tmp_var, $codewriter->interpolateTalesVarsInString($this->expression));
$codewriter->doIf('$ctx->hasSlot('.$this->tmp_var.')');
$codewriter->pushCode('$ctx->echoSlot('.$this->tmp_var.')');
$codewriter->doElse();
}
public function after(PHPTAL_Php_CodeWriter $codewriter)
{
$codewriter->doEnd('if');
$codewriter->recycleTempVariable($this->tmp_var);
}
}
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