| New file |
|---|
| 0,0 → 1,201 |
|---|
| <?php |
| /** |
| * PHPExcel |
| * |
| * Copyright (c) 2006 - 2013 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 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel) |
| * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL |
| * @version ##VERSION##, ##DATE## |
| */ |
| |
| |
| /** |
| * PHPExcel_Shared_ZipStreamWrapper |
| * |
| * @category PHPExcel |
| * @package PHPExcel_Shared |
| * @copyright Copyright (c) 2006 - 2013 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__); |
| } |
| |
| /** |
| * Implements support for fopen(). |
| * |
| * @param string $path resource name including scheme, e.g. |
| * @param string $mode only "r" is supported |
| * @param int $options mask of STREAM_REPORT_ERRORS and STREAM_USE_PATH |
| * @param string &$openedPath absolute path of the opened stream (out parameter) |
| * @return bool true on success |
| */ |
| public function stream_open($path, $mode, $options, &$opened_path) { |
| // Check for mode |
| if ($mode{0} != 'r') { |
| throw new PHPExcel_Reader_Exception('Mode ' . $mode . ' is not supported. Only read mode is supported.'); |
| } |
| |
| $pos = strrpos($path, '#'); |
| $url['host'] = substr($path, 6, $pos - 6); // 6: strlen('zip://') |
| $url['fragment'] = substr($path, $pos + 1); |
| |
| // 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; |
| } |
| |
| /** |
| * Implements support for fstat(). |
| * |
| * @return boolean |
| */ |
| public function statName() { |
| return $this->_fileNameInArchive; |
| } |
| |
| /** |
| * Implements support for fstat(). |
| * |
| * @return boolean |
| */ |
| public function url_stat() { |
| return $this->statName( $this->_fileNameInArchive ); |
| } |
| |
| /** |
| * Implements support for fstat(). |
| * |
| * @return boolean |
| */ |
| public function stream_stat() { |
| return $this->_archive->statName( $this->_fileNameInArchive ); |
| } |
| |
| /** |
| * Implements support for fread(), fgets() etc. |
| * |
| * @param int $count maximum number of bytes to read |
| * @return string |
| */ |
| function stream_read($count) { |
| $ret = substr($this->_data, $this->_position, $count); |
| $this->_position += strlen($ret); |
| return $ret; |
| } |
| |
| /** |
| * Returns the position of the file pointer, i.e. its offset into the file |
| * stream. Implements support for ftell(). |
| * |
| * @return int |
| */ |
| public function stream_tell() { |
| return $this->_position; |
| } |
| |
| /** |
| * EOF stream |
| * |
| * @return bool |
| */ |
| public function stream_eof() { |
| return $this->_position >= strlen($this->_data); |
| } |
| |
| /** |
| * Seek stream |
| * |
| * @param int $offset byte offset |
| * @param int $whence SEEK_SET, SEEK_CUR or SEEK_END |
| * @return bool |
| */ |
| public function stream_seek($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; |
| } |
| } |
| } |