81 lines
2.6 KiB
PHP
81 lines
2.6 KiB
PHP
<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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//
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// Copyright (c) 2004-2005 Laurent Bedubourg
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// Authors: Laurent Bedubourg <lbedubourg@motion-twin.com>
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//
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require_once PHPTAL_DIR.'PHPTAL/Php/Attribute.php';
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// TAL Specifications 1.4
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//
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// argument ::= (['text'] | 'structure') expression
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//
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// Example:
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//
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// <p tal:on-error="string: Error! This paragraph is buggy!">
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// My name is <span tal:replace="here/SlimShady" />.<br />
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// (My login name is
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// <b tal:on-error="string: Username is not defined!"
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// tal:content="user">Unknown</b>)
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// </p>
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//
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/**
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* @package phptal.php.attribute.tal
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* @author Laurent Bedubourg <lbedubourg@motion-twin.com>
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*/
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class PHPTAL_Php_Attribute_TAL_OnError extends PHPTAL_Php_Attribute
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{
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const ERR_VAR = '$__err__';
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public function start()
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{
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$this->tag->generator->doTry();
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$this->tag->generator->pushCode('ob_start()');
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}
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public function end()
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{
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$this->tag->generator->pushCode('ob_end_flush()');
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$this->tag->generator->doCatch('Exception '.self::ERR_VAR);
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$this->tag->generator->pushCode('$tpl->addError('.self::ERR_VAR.')');
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$this->tag->generator->pushCode('ob_end_clean()');
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$expression = $this->extractEchoType($this->expression);
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$code = $this->tag->generator->evaluateExpression($expression);
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switch ($code) {
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case PHPTAL_TALES_NOTHING_KEYWORD:
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break;
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case PHPTAL_TALES_DEFAULT_KEYWORD:
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$this->tag->generator->pushHtml('<pre class="phptalError"');
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$this->tag->generator->doEcho(self::ERR_VAR);
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$this->tag->generator->pushHtml('</pre>');
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break;
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default:
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$this->doEcho($code);
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break;
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}
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$this->tag->generator->doEnd();
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}
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}
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?>
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