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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* Evaluates to true iif one at least of the predicates
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* given as constructor parameters evaluate to true
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*
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* PHP versions 4 and 5
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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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* @category File Formats
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* @package File_Archive
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* @author Vincent Lascaux <vincentlascaux@php.net>
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* @copyright 1997-2005 The PHP Group
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* @license http://www.gnu.org/copyleft/lesser.html LGPL
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* @version CVS: $Id: Or.php,v 1.8 2005/04/21 10:01:47 vincentlascaux Exp $
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* @link http://pear.php.net/package/File_Archive
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*/
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require_once "File/Archive/Predicate.php";
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/**
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* Evaluates to true iif one at least of the predicates
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* given as constructor parameters evaluate to true
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*
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* @see File_Archive_Predicate, File_Archive_Reader_Filter
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*/
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class File_Archive_Predicate_Or extends File_Archive_Predicate
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{
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/**
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* @var Array List of File_Archive_Predicate objects given as an argument
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* @access private
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*/
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var $preds;
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/**
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* Build the predicate using the optional File_Archive_Predicates given as
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* arguments
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*
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* Example:
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* new File_Archive_Predicate_And($pred1, $pred2, $pred3)
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*/
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function File_Archive_Predicate_And()
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{
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$this->preds = func_get_args();
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}
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/**
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* Add a new predicate to the list
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*
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* @param File_Archive_Predicate The predicate to add
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*/
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function addPredicate($pred)
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{
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$this->preds[] = $pred;
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}
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/**
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* @see File_Archive_Predicate::isTrue()
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*/
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function isTrue(&$source)
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{
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foreach ($this->preds as $p) {
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if ($p->isTrue($source)) {
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return true;
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}
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}
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return false;
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}
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}
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?>
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