Subversion Repositories eFlore/Applications.cel

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
2388 jpm 1 
<?php
2 
/**
3 
 * PHPExcel
4 
 *
5 
 * Copyright (c) 2006 - 2013 PHPExcel
6 
 *
7 
 * This library is free software; you can redistribute it and/or
8 
 * modify it under the terms of the GNU Lesser General Public
9 
 * License as published by the Free Software Foundation; either
10 
 * version 2.1 of the License, or (at your option) any later version.
11 
 *
12 
 * This library is distributed in the hope that it will be useful,
13 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 
 * Lesser General Public License for more details.
16 
 *
17 
 * You should have received a copy of the GNU Lesser General Public
18 
 * License along with this library; if not, write to the Free Software
19 
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
20 
 *
21 
 * @category   PHPExcel
22 
 * @package    PHPExcel_Shared
23 
 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
24 
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
25 
 * @version    ##VERSION##, ##DATE##
26 
 */
27 
 
28 
 
29 
/**
30 
 * PHPExcel_Shared_ZipStreamWrapper
31 
 *
32 
 * @category   PHPExcel
33 
 * @package    PHPExcel_Shared
34 
 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
35 
 */
36 
class PHPExcel_Shared_ZipStreamWrapper {
37 
	/**
38 
	 * Internal ZipAcrhive
39 
	 *
40 
	 * @var ZipAcrhive
41 
	 */
42 
    private $_archive;
43 
 
44 
    /**
45 
     * Filename in ZipAcrhive
46 
     *
47 
     * @var string
48 
     */
49 
    private $_fileNameInArchive = '';
50 
 
51 
    /**
52 
     * Position in file
53 
     *
54 
     * @var int
55 
     */
56 
    private $_position = 0;
57 
 
58 
    /**
59 
     * Data
60 
     *
61 
     * @var mixed
62 
     */
63 
    private $_data = '';
64 
 
65 
    /**
66 
     * Register wrapper
67 
     */
68 
    public static function register() {
69 
		@stream_wrapper_unregister("zip");
70 
		@stream_wrapper_register("zip", __CLASS__);
71 
    }
72 
 
73 
    /**
74 
	 * Implements support for fopen().
75 
	 *
76 
	 * @param	string	$path			resource name including scheme, e.g.
77 
	 * @param	string	$mode			only "r" is supported
78 
	 * @param	int		$options		mask of STREAM_REPORT_ERRORS and STREAM_USE_PATH
79 
	 * @param	string  &$openedPath	absolute path of the opened stream (out parameter)
80 
	 * @return	bool    true on success
81 
     */
82 
    public function stream_open($path, $mode, $options, &$opened_path) {
83 
        // Check for mode
84 
        if ($mode{0} != 'r') {
85 
            throw new PHPExcel_Reader_Exception('Mode ' . $mode . ' is not supported. Only read mode is supported.');
86 
        }
87 
 
88 
		$pos = strrpos($path, '#');
89 
		$url['host'] = substr($path, 6, $pos - 6); // 6: strlen('zip://')
90 
		$url['fragment'] = substr($path, $pos + 1);
91 
 
92 
        // Open archive
93 
        $this->_archive = new ZipArchive();
94 
        $this->_archive->open($url['host']);
95 
 
96 
        $this->_fileNameInArchive = $url['fragment'];
97 
        $this->_position = 0;
98 
        $this->_data = $this->_archive->getFromName( $this->_fileNameInArchive );
99 
 
100 
        return true;
101 
    }
102 
 
103 
    /**
104 
	 * Implements support for fstat().
105 
	 *
106 
	 * @return  boolean
107 
     */
108 
    public function statName() {
109 
        return $this->_fileNameInArchive;
110 
    }
111 
 
112 
    /**
113 
	 * Implements support for fstat().
114 
	 *
115 
	 * @return  boolean
116 
     */
117 
    public function url_stat() {
118 
        return $this->statName( $this->_fileNameInArchive );
119 
    }
120 
 
121 
    /**
122 
	 * Implements support for fstat().
123 
	 *
124 
	 * @return  boolean
125 
     */
126 
    public function stream_stat() {
127 
        return $this->_archive->statName( $this->_fileNameInArchive );
128 
    }
129 
 
130 
    /**
131 
	 * Implements support for fread(), fgets() etc.
132 
	 *
133 
	 * @param   int		$count	maximum number of bytes to read
134 
	 * @return  string
135 
     */
136 
    function stream_read($count) {
137 
        $ret = substr($this->_data, $this->_position, $count);
138 
        $this->_position += strlen($ret);
139 
        return $ret;
140 
    }
141 
 
142 
    /**
143 
	 * Returns the position of the file pointer, i.e. its offset into the file
144 
	 * stream. Implements support for ftell().
145 
	 *
146 
	 * @return  int
147 
     */
148 
    public function stream_tell() {
149 
        return $this->_position;
150 
    }
151 
 
152 
    /**
153 
     * EOF stream
154 
	 *
155 
	 * @return	bool
156 
     */
157 
    public function stream_eof() {
158 
        return $this->_position >= strlen($this->_data);
159 
    }
160 
 
161 
    /**
162 
     * Seek stream
163 
	 *
164 
	 * @param	int		$offset	byte offset
165 
	 * @param	int		$whence	SEEK_SET, SEEK_CUR or SEEK_END
166 
	 * @return	bool
167 
     */
168 
    public function stream_seek($offset, $whence) {
169 
        switch ($whence) {
170 
            case SEEK_SET:
171 
                if ($offset < strlen($this->_data) && $offset >= 0) {
172 
                     $this->_position = $offset;
173 
                     return true;
174 
                } else {
175 
                     return false;
176 
                }
177 
                break;
178 
 
179 
            case SEEK_CUR:
180 
                if ($offset >= 0) {
181 
                     $this->_position += $offset;
182 
                     return true;
183 
                } else {
184 
                     return false;
185 
                }
186 
                break;
187 
 
188 
            case SEEK_END:
189 
                if (strlen($this->_data) + $offset >= 0) {
190 
                     $this->_position = strlen($this->_data) + $offset;
191 
                     return true;
192 
                } else {
193 
                     return false;
194 
                }
195 
                break;
196 
 
197 
            default:
198 
                return false;
199 
        }
200 
    }
201 
}