PHPExcel_Shared

# Source for file ZipStreamWrapper.php Documentation is available at ZipStreamWrapper.php <?php /** * PHPExcel * * Copyright (c) 2006 - 2010 PHPExcel * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * @category PHPExcel * @package PHPExcel_Shared * @copyright Copyright (c) 2006 - 2010 PHPExcel (http://www.codeplex.com/PHPExcel) * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL * @version 1.7.2, 2010-01-11 */ /** Register new zip wrapper */ PHPExcel_Shared_ZipStreamWrapper::register(); /** * PHPExcel_Shared_ZipStreamWrapper * * @category PHPExcel * @package PHPExcel_Shared * @copyright Copyright (c) 2006 - 2010 PHPExcel (http://www.codeplex.com/PHPExcel) */ class PHPExcel_Shared_ZipStreamWrapper { /** * Internal ZipAcrhive * * @var ZipAcrhive */ private $_archive; /** * Filename in ZipAcrhive * * @var string */ private $_fileNameInArchive = ''; /** * Position in file * * @var int */ private $_position = 0; /** * Data * * @var mixed */ private $_data = ''; /** * Register wrapper */ public static function register() { @stream_wrapper_unregister("zip"); @stream_wrapper_register("zip", __CLASS__); } /** * Open stream */ public function stream_open($path, $mode, $options, &$opened_path) { // Check for mode if ($mode{0} != 'r') { throw new Exception('Mode ' . $mode . ' is not supported. Only read mode is supported.'); } // Parse URL $url = @parse_url(str_replace('zip://', 'file://', $path)); // Fix URL if (!is_array($url)) { $url['host'] = substr($path, strlen('zip://')); $url['path'] = ''; } if (strpos($url['host'], '#') !== false) { if (!isset($url['fragment'])) { $url['fragment'] = substr($url['host'], strpos($url['host'], '#') + 1) . $url['path']; $url['host'] = substr($url['host'], 0, strpos($url['host'], '#')); unset($url['path']); } } else { $url['host'] = $url['host'] . $url['path']; unset($url['path']); } // Open archive $this->_archive = new ZipArchive(); $this->_archive->open($url['host']); $this->_fileNameInArchive = $url['fragment']; $this->_position = 0; $this->_data = $this->_archive->getFromName( $this->_fileNameInArchive ); return true; } /** * Stat stream */ public function stream_stat() { return $this->_archive->statName( $this->_fileNameInArchive ); } /** * Read stream */ function stream_read($count) { $ret = substr($this->_data, $this->_position, $count); $this->_position += strlen($ret); return $ret; } /** * Tell stream */ public function stream_tell() { return $this->_position; } /** * EOF stream */ public function stream_eof() { return $this->_position >= strlen($this->_data); } /** * Seek stream */ public function stream_seek($offset, $whence) { switch ($whence) { case SEEK_SET: if ($offset < strlen($this->_data) && $offset >= 0) { $this->_position = $offset; return true; } else { return false; } break; case SEEK_CUR: if ($offset >= 0) { $this->_position += $offset; return true; } else { return false; } break; case SEEK_END: if (strlen($this->_data) + $offset >= 0) { $this->_position = strlen($this->_data) + $offset; return true; } else { return false; } break; default: return false; } } } Documentation generated on Mon, 11 Jan 2010 08:19:23 +0100 by phpDocumentor 1.4.1