Библиотека для cis, online, cms1
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Фёдор Подлеснов
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92
PHPTAL/Php/Attribute/PHPTAL/Cache.php
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92
PHPTAL/Php/Attribute/PHPTAL/Cache.php
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<?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: Kornel Lesiński <kornel@aardvarkmedia.co.uk>
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//
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require_once PHPTAL_DIR.'PHPTAL/Php/Attribute.php';
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/** phptal:cache (note that's not tal:cache) caches element's HTML for a given time. Time is a number with 'd', 'h', 'm' or 's' suffix.
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There's optional parameter that defines how cache should be shared. By default cache is not sensitive to template's context at all
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- it's shared between all pages that use that template.
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You can add per url to have separate copy of given element for every URL.
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You can add per expression to have different cache copy for every different value of an expression (which MUST evaluate to a string).
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Expression cannot refer to variables defined using tal:define on the same element.
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NB:
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* phptal:cache blocks can be nested, but outmost block will cache other blocks regardless of their freshness.
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* you cannot use metal:fill-slot inside elements with phptal:cache
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Examples:
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<div phptal:cache="3h">...</div> <!-- <div> to be evaluated at most once per 3 hours. -->
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<ul phptal:cache="1d per object/id">...</ul> <!-- <ul> be cached for one day, separately for each object. -->
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*/
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class PHPTAL_Php_Attribute_PHPTAL_Cache extends PHPTAL_Php_Attribute
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{
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private $cache_tag;
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public function start()
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{
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if (!preg_match('/^\s*([0-9]+\s*|[a-zA-Z][a-zA-Z0-9_]*\s+)([dhms])\s*(?:\;?\s*per\s+([^;]+)|)\s*$/',$this->expression, $matches))
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throw new PHPTAL_Exception("Cache attribute syntax error: ".$this->expression);
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$cache_len = $matches[1];
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if (!is_numeric($cache_len)) $cache_len = '$ctx->'.$cache_len;
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switch($matches[2])
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{
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case 'd': $cache_len .= '*24'; /* no break */
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case 'h': $cache_len .= '*60'; /* no break */
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case 'm': $cache_len .= '*60'; /* no break */
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}
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$this->cache_tag = '"'.addslashes( $this->tag->node->getName() . ':' . $this->tag->node->getSourceLine()).'"';
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$cache_per_expression = isset($matches[3])?trim($matches[3]):NULL;
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if ($cache_per_expression == 'url')
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{
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$this->cache_tag .= '.$_SERVER["REQUEST_URI"]';
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}
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else if ($cache_per_expression == 'nothing') { }
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else if ($cache_per_expression)
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{
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$code = $this->tag->generator->evaluateExpression($cache_per_expression);
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if (is_array($code)) { throw new PHPTAL_Exception("Chained expressions in per-cache directive are not supported"); }
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$old_cache_tag = $this->cache_tag;
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$this->cache_tag = '$ctx->cache_tag_';
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$this->tag->generator->doSetVar($this->cache_tag, '('.$code.')."@".' . $old_cache_tag );
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}
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$cond = '!file_exists(__FILE__.md5('.$this->cache_tag.')) || time() - '.$cache_len.' >= @filemtime(__FILE__.md5('.$this->cache_tag.'))';
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$this->tag->generator->doIf($cond);
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$this->tag->generator->doEval('ob_start()');
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}
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public function end()
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{
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$this->tag->generator->doEval('file_put_contents(__FILE__.md5('.$this->cache_tag.'), ob_get_flush())');
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$this->tag->generator->doElse();
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$this->tag->generator->doEval('readfile(__FILE__.md5('.$this->cache_tag.'))');
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$this->tag->generator->doEnd();
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}
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}
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44
PHPTAL/Php/Attribute/PHPTAL/Debug.php
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44
PHPTAL/Php/Attribute/PHPTAL/Debug.php
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<?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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/**
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* @package phptal.php.attribute.phptal
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* @author Laurent Bedubourg <lbedubourg@motion-twin.com>
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*/
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class PHPTAL_Php_Attribute_PHPTAL_DEBUG extends PHPTAL_Php_Attribute
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{
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public function start()
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{
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$this->_oldMode = $this->tag->generator->setDebug(true);
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}
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public function end()
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{
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$this->tag->generator->setDebug( $this->_oldMode );
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}
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private $_oldMode;
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}
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?>
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66
PHPTAL/Php/Attribute/PHPTAL/Id.php
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66
PHPTAL/Php/Attribute/PHPTAL/Id.php
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<?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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/**
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* @package phptal.php.attribute.phptal
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* @author Laurent Bedubourg <lbedubourg@motion-twin.com>
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*/
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class PHPTAL_Php_Attribute_PHPTAL_ID extends PHPTAL_Php_Attribute
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{
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private $id;
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public function start()
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{
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$this->id = str_replace('"', '\\\"', $this->expression);
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// retrieve trigger
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$this->tag->generator->doSetVar(
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'$trigger',
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'$tpl->getTrigger("'.$this->id.'")'
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);
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// if trigger found and trigger tells to proceed, we execute
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// the node content
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$cond = '$trigger && '
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. '$trigger->start("%s", $tpl) == PHPTAL_Trigger::PROCEED';
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$cond = sprintf($cond, $this->id);
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$this->tag->generator->doIf($cond);
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}
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public function end()
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{
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// end of if PROCEED
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$this->tag->generator->doEnd();
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// if trigger found, notify the end of the node
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$this->tag->generator->doIf('$trigger');
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$this->tag->generator->pushCode(
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'$trigger->end("'.$this->id.'", $tpl)'
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);
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$this->tag->generator->doEnd();
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}
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}
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?>
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60
PHPTAL/Php/Attribute/PHPTAL/Tales.php
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60
PHPTAL/Php/Attribute/PHPTAL/Tales.php
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<?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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/**
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* @package phptal.php.attribute.phptal
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* @author Laurent Bedubourg <lbedubourg@motion-twin.com>
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*/
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class PHPTAL_Php_Attribute_PHPTAL_TALES extends PHPTAL_Php_Attribute
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{
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public function start()
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{
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$mode = trim($this->expression);
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$mode = strtolower($mode);
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if ($mode == '' || $mode == 'default')
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$mode = 'tales';
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if ($mode != 'php' && $mode != 'tales') {
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$err = "Unsupported TALES mode '%s'";
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$err = sprintf($err, $mode);
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throw new PHPTAL_Exception(
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$err,
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$this->tag->getSourceFile(),
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$this->tag->getSourceLine()
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);
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}
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$this->_oldMode = $this->tag->generator->setTalesMode( $mode );
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}
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public function end()
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{
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$this->tag->generator->setTalesMode( $this->_oldMode );
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}
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private $_oldMode;
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}
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?>
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