90 Zeilen
2.5 KiB
PHP
90 Zeilen
2.5 KiB
PHP
<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* Filter out the files that do not respect a given predicat
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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: Filter.php 2 2010-11-23 14:32:26Z oldperl $
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* @link http://pear.php.net/package/File_Archive
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*/
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require_once "File/Archive/Reader/Relay.php";
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/**
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* Filter out the files that do not respect a given predicat
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*/
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class File_Archive_Reader_Filter extends File_Archive_Reader_Relay
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{
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/**
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* @var File_Archive_Reader_Predicat
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* @access private
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*/
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var $predicate;
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/**
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* $source is the reader to filter
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*/
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function File_Archive_Reader_Filter($predicate, &$source)
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{
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parent::File_Archive_Reader_Relay($source);
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$this->predicate = $predicate;
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}
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/**
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* @see File_Archive_Reader::next()
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*/
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function next()
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{
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do {
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$error = $this->source->next();
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if ($error !== true) {
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return $error;
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}
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} while (!$this->predicate->isTrue($this->source));
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return true;
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}
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/**
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* @see File_Archive_Reader::select()
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*/
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function select($filename, $close = true)
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{
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if ($close) {
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$error = $this->close();
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if (PEAR::isError($error)) {
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return $error;
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}
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}
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do {
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$error = $this->source->select($filename, false);
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if ($error !== true) {
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return $error;
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}
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} while (!$this->predicate->isTrue($this->source));
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return true;
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}
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}
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?>
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