1<?php
2/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
3
4/**
5 * Add a directory to the public name of all the files of a reader
6 *
7 * PHP versions 4 and 5
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330,Boston,MA 02111-1307 USA
22 *
23 * @category   File Formats
24 * @package    File_Archive
25 * @author     Vincent Lascaux <vincentlascaux@php.net>
26 * @copyright  1997-2005 The PHP Group
27 * @license    http://www.gnu.org/copyleft/lesser.html  LGPL
28 * @version    CVS: $Id$
29 * @link       http://pear.php.net/package/File_Archive
30 */
31
32require_once "File/Archive/Reader/ChangeName.php";
33
34/**
35 * Change a directory name to another
36 *
37 * Example:
38 *  If archive.tar is a file archive containing files a.txt and foo/b.txt
39 *  new File_Archive_Reader_ChangeName_Directory('foo', 'bar'
40 *     new File_Archive_Reader_Tar(
41 *         new File_Archive_Reader_File('archive.tar')
42 *     )
43 *  ) is a reader containing files a.txt and bar/b.txt
44 */
45class File_Archive_Reader_ChangeName_Directory extends File_Archive_Reader_ChangeName
46{
47    var $oldBaseName;
48    var $newBaseName;
49
50    function File_Archive_Reader_ChangeName_Directory
51                        ($oldBaseName, $newBaseName, &$source)
52    {
53        parent::File_Archive_Reader_ChangeName($source);
54        $this->oldBaseName = $this->getStandardURL($oldBaseName);
55        if (substr($this->oldBaseName, -1) == '/') {
56            $this->oldBaseName = substr($this->oldBaseName, 0, -1);
57        }
58
59        $this->newBaseName = $this->getStandardURL($newBaseName);
60        if (substr($this->newBaseName, -1) == '/') {
61            $this->newBaseName = substr($this->newBaseName, 0, -1);
62        }
63    }
64
65    function modifyName($name)
66    {
67        if (empty($this->oldBaseName) ||
68          !strncmp($name, $this->oldBaseName.'/', strlen($this->oldBaseName)+1) ||
69           strcmp($name, $this->oldBaseName) == 0) {
70            return $this->newBaseName.
71                   (
72                    empty($this->newBaseName) ||
73                    strlen($name)<=strlen($this->oldBaseName)+1 ?
74                    '' : '/'
75                   ).
76                   substr($name, strlen($this->oldBaseName)+1);
77        } else {
78            return $name;
79        }
80    }
81    function unmodifyName($name)
82    {
83        if (empty($this->newBaseName) ||
84          !strncmp($name, $this->newBaseName.'/', strlen($this->newBaseName)+1) ||
85           strcmp($name, $this->newBaseName) == 0) {
86            return $this->oldBaseName.
87                   (
88                    empty($this->oldBaseName) ||
89                    strlen($name)<=strlen($this->newBaseName)+1 ?
90                    '' : '/'
91                   ).
92                   substr($name, strlen($this->newBaseName)+1);
93        } else {
94            return $name;
95        }
96    }
97}
98
99?>