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mobile/source/ext/phptal/PHPTAL/Php/Attribute/TAL/OnError.php 2.09 KB
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  <?php
  /**
   * PHPTAL templating engine
   *
   * PHP Version 5
   *
   * @category HTML
   * @package  PHPTAL
   * @author   Laurent Bedubourg <lbedubourg@motion-twin.com>
   * @author   Kornel LesiƄski <kornel@aardvarkmedia.co.uk>
   * @license  http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License
   * @version  SVN: $Id: OnError.php 671 2009-07-11 18:11:35Z kornel $
   * @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"');
                  $codewriter->doEchoRaw($var);
                  $codewriter->pushHTML('</pre>');
                  break;
  
              default:
                  $this->doEchoAttribute($codewriter, $code);
                  break;
          }
          $codewriter->doEnd('catch');
  
          $codewriter->recycleTempVariable($var);
      }
  }