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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/
*/
/**
* TAL Specifications 1.4
*
* argument ::= (['text'] | 'structure') expression
*
* Example:
*
* <p tal:on-error="string: Error! This paragraph is buggy!">
* My name is <span tal:replace="here/SlimShady" />.<br />
* (My login name is
* <b tal:on-error="string: Username is not defined!"
* tal:content="user">Unknown</b>)
* </p>
*
* @package PHPTAL
* @subpackage Php.attribute.tal
* @author Laurent Bedubourg <lbedubourg@motion-twin.com>
*/
class PHPTAL_Php_Attribute_TAL_OnError extends PHPTAL_Php_Attribute
{
public function before(PHPTAL_Php_CodeWriter $codewriter)
{
$codewriter->doTry();
$codewriter->pushCode('ob_start()');
}
public function after(PHPTAL_Php_CodeWriter $codewriter)
{
$var = $codewriter->createTempVariable();
$codewriter->pushCode('ob_end_flush()');
$codewriter->doCatch('Exception '.$var);
$codewriter->pushCode('$tpl->addError('.$var.')');
$codewriter->pushCode('ob_end_clean()');
$expression = $this->extractEchoType($this->expression);
$code = $codewriter->evaluateExpression($expression);
switch ($code) {
case PHPTAL_Php_TalesInternal::NOTHING_KEYWORD:
break;
case PHPTAL_Php_TalesInternal::DEFAULT_KEYWORD:
$codewriter->pushHTML('<pre class="phptalError">');
$codewriter->doEcho($var);
$codewriter->pushHTML('</pre>');
break;
default:
$this->doEchoAttribute($codewriter, $code);
break;
}
$codewriter->doEnd('catch');
$codewriter->recycleTempVariable($var);
}
}
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