Dateien nach "includes/PHPExcel/Classes/PHPExcel/Shared/OLE" hochladen
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<?php
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/**
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* PHPExcel
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*
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* Copyright (C) 2006 - 2014 PHPExcel
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel_Shared_OLE
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* @copyright Copyright (c) 2006 - 2007 Christian Schmidt
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version ##VERSION##, ##DATE##
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*/
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/**
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* PHPExcel_Shared_OLE_ChainedBlockStream
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*
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* Stream wrapper for reading data stored in an OLE file. Implements methods
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* for PHP's stream_wrapper_register(). For creating streams using this
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* wrapper, use PHPExcel_Shared_OLE_PPS_File::getStream().
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*
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* @category PHPExcel
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* @package PHPExcel_Shared_OLE
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*/
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class PHPExcel_Shared_OLE_ChainedBlockStream
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{
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/**
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* The OLE container of the file that is being read.
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* @var OLE
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*/
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public $ole;
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/**
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* Parameters specified by fopen().
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* @var array
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*/
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public $params;
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/**
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* The binary data of the file.
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* @var string
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*/
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public $data;
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/**
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* The file pointer.
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* @var int byte offset
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*/
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public $pos;
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/**
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* Implements support for fopen().
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* For creating streams using this wrapper, use OLE_PPS_File::getStream().
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*
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* @param string $path resource name including scheme, e.g.
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* ole-chainedblockstream://oleInstanceId=1
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* @param string $mode only "r" is supported
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* @param int $options mask of STREAM_REPORT_ERRORS and STREAM_USE_PATH
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* @param string &$openedPath absolute path of the opened stream (out parameter)
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* @return bool true on success
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*/
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public function stream_open($path, $mode, $options, &$openedPath)
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{
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if ($mode != 'r') {
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if ($options & STREAM_REPORT_ERRORS) {
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trigger_error('Only reading is supported', E_USER_WARNING);
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}
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return false;
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}
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// 25 is length of "ole-chainedblockstream://"
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parse_str(substr($path, 25), $this->params);
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if (!isset($this->params['oleInstanceId'],
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$this->params['blockId'],
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$GLOBALS['_OLE_INSTANCES'][$this->params['oleInstanceId']])) {
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if ($options & STREAM_REPORT_ERRORS) {
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trigger_error('OLE stream not found', E_USER_WARNING);
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}
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return false;
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}
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$this->ole = $GLOBALS['_OLE_INSTANCES'][$this->params['oleInstanceId']];
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$blockId = $this->params['blockId'];
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$this->data = '';
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if (isset($this->params['size']) &&
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$this->params['size'] < $this->ole->bigBlockThreshold &&
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$blockId != $this->ole->root->_StartBlock) {
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// Block id refers to small blocks
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$rootPos = $this->ole->_getBlockOffset($this->ole->root->_StartBlock);
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while ($blockId != -2) {
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$pos = $rootPos + $blockId * $this->ole->bigBlockSize;
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$blockId = $this->ole->sbat[$blockId];
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fseek($this->ole->_file_handle, $pos);
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$this->data .= fread($this->ole->_file_handle, $this->ole->bigBlockSize);
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}
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} else {
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// Block id refers to big blocks
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while ($blockId != -2) {
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$pos = $this->ole->_getBlockOffset($blockId);
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fseek($this->ole->_file_handle, $pos);
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$this->data .= fread($this->ole->_file_handle, $this->ole->bigBlockSize);
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$blockId = $this->ole->bbat[$blockId];
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}
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}
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if (isset($this->params['size'])) {
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$this->data = substr($this->data, 0, $this->params['size']);
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}
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if ($options & STREAM_USE_PATH) {
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$openedPath = $path;
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}
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return true;
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}
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/**
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* Implements support for fclose().
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*
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*/
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public function stream_close()
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{
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$this->ole = null;
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unset($GLOBALS['_OLE_INSTANCES']);
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}
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/**
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* Implements support for fread(), fgets() etc.
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*
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* @param int $count maximum number of bytes to read
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* @return string
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*/
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public function stream_read($count)
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{
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if ($this->stream_eof()) {
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return false;
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}
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$s = substr($this->data, $this->pos, $count);
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$this->pos += $count;
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return $s;
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}
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/**
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* Implements support for feof().
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*
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* @return bool TRUE if the file pointer is at EOF; otherwise FALSE
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*/
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public function stream_eof()
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{
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return $this->pos >= strlen($this->data);
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}
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/**
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* Returns the position of the file pointer, i.e. its offset into the file
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* stream. Implements support for ftell().
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*
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* @return int
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*/
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public function stream_tell()
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{
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return $this->pos;
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}
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/**
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* Implements support for fseek().
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*
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* @param int $offset byte offset
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* @param int $whence SEEK_SET, SEEK_CUR or SEEK_END
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* @return bool
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*/
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public function stream_seek($offset, $whence)
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{
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if ($whence == SEEK_SET && $offset >= 0) {
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$this->pos = $offset;
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} elseif ($whence == SEEK_CUR && -$offset <= $this->pos) {
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$this->pos += $offset;
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} elseif ($whence == SEEK_END && -$offset <= sizeof($this->data)) {
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$this->pos = strlen($this->data) + $offset;
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} else {
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return false;
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}
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return true;
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}
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/**
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* Implements support for fstat(). Currently the only supported field is
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* "size".
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* @return array
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*/
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public function stream_stat()
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{
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return array(
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'size' => strlen($this->data),
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);
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}
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// Methods used by stream_wrapper_register() that are not implemented:
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// bool stream_flush ( void )
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// int stream_write ( string data )
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// bool rename ( string path_from, string path_to )
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// bool mkdir ( string path, int mode, int options )
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// bool rmdir ( string path, int options )
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// bool dir_opendir ( string path, int options )
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// array url_stat ( string path, int flags )
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// string dir_readdir ( void )
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// bool dir_rewinddir ( void )
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// bool dir_closedir ( void )
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}
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2002 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.02 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Author: Xavier Noguer <xnoguer@php.net> |
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// | Based on OLE::Storage_Lite by Kawai, Takanori |
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// +----------------------------------------------------------------------+
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//
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// $Id: PPS.php,v 1.7 2007/02/13 21:00:42 schmidt Exp $
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/**
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* Class for creating PPS's for OLE containers
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*
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* @author Xavier Noguer <xnoguer@php.net>
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* @category PHPExcel
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* @package PHPExcel_Shared_OLE
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*/
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class PHPExcel_Shared_OLE_PPS
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{
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/**
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* The PPS index
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* @var integer
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*/
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public $No;
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/**
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* The PPS name (in Unicode)
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* @var string
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*/
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public $Name;
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/**
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* The PPS type. Dir, Root or File
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* @var integer
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*/
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public $Type;
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/**
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* The index of the previous PPS
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* @var integer
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*/
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public $PrevPps;
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/**
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* The index of the next PPS
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* @var integer
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*/
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public $NextPps;
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/**
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* The index of it's first child if this is a Dir or Root PPS
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* @var integer
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*/
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public $DirPps;
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/**
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* A timestamp
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* @var integer
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*/
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public $Time1st;
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/**
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* A timestamp
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* @var integer
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*/
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public $Time2nd;
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/**
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* Starting block (small or big) for this PPS's data inside the container
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* @var integer
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*/
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public $_StartBlock;
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/**
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* The size of the PPS's data (in bytes)
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* @var integer
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*/
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public $Size;
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/**
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* The PPS's data (only used if it's not using a temporary file)
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* @var string
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*/
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public $_data;
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/**
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* Array of child PPS's (only used by Root and Dir PPS's)
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* @var array
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*/
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public $children = array();
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/**
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* Pointer to OLE container
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* @var OLE
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*/
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public $ole;
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/**
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* The constructor
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*
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* @access public
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* @param integer $No The PPS index
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* @param string $name The PPS name
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* @param integer $type The PPS type. Dir, Root or File
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* @param integer $prev The index of the previous PPS
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* @param integer $next The index of the next PPS
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* @param integer $dir The index of it's first child if this is a Dir or Root PPS
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* @param integer $time_1st A timestamp
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* @param integer $time_2nd A timestamp
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* @param string $data The (usually binary) source data of the PPS
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* @param array $children Array containing children PPS for this PPS
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*/
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public function __construct($No, $name, $type, $prev, $next, $dir, $time_1st, $time_2nd, $data, $children)
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{
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$this->No = $No;
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$this->Name = $name;
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$this->Type = $type;
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$this->PrevPps = $prev;
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$this->NextPps = $next;
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$this->DirPps = $dir;
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$this->Time1st = $time_1st;
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$this->Time2nd = $time_2nd;
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$this->_data = $data;
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$this->children = $children;
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if ($data != '') {
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$this->Size = strlen($data);
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} else {
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$this->Size = 0;
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}
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}
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/**
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* Returns the amount of data saved for this PPS
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*
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* @access public
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* @return integer The amount of data (in bytes)
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*/
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public function _DataLen()
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{
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if (!isset($this->_data)) {
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return 0;
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}
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//if (isset($this->_PPS_FILE)) {
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// fseek($this->_PPS_FILE, 0);
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// $stats = fstat($this->_PPS_FILE);
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// return $stats[7];
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//} else {
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return strlen($this->_data);
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//}
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}
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/**
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* Returns a string with the PPS's WK (What is a WK?)
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*
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* @access public
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* @return string The binary string
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*/
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public function _getPpsWk()
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{
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$ret = str_pad($this->Name,64,"\x00");
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$ret .= pack("v", strlen($this->Name) + 2) // 66
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. pack("c", $this->Type) // 67
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. pack("c", 0x00) //UK // 68
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. pack("V", $this->PrevPps) //Prev // 72
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. pack("V", $this->NextPps) //Next // 76
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. pack("V", $this->DirPps) //Dir // 80
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. "\x00\x09\x02\x00" // 84
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. "\x00\x00\x00\x00" // 88
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. "\xc0\x00\x00\x00" // 92
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. "\x00\x00\x00\x46" // 96 // Seems to be ok only for Root
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. "\x00\x00\x00\x00" // 100
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. PHPExcel_Shared_OLE::LocalDate2OLE($this->Time1st) // 108
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. PHPExcel_Shared_OLE::LocalDate2OLE($this->Time2nd) // 116
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. pack("V", isset($this->_StartBlock)?
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$this->_StartBlock:0) // 120
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. pack("V", $this->Size) // 124
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. pack("V", 0); // 128
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return $ret;
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}
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/**
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* Updates index and pointers to previous, next and children PPS's for this
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* PPS. I don't think it'll work with Dir PPS's.
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*
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* @access public
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* @param array &$raList Reference to the array of PPS's for the whole OLE
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* container
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* @return integer The index for this PPS
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*/
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public static function _savePpsSetPnt(&$raList, $to_save, $depth = 0)
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{
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if ( !is_array($to_save) || (empty($to_save)) ) {
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return 0xFFFFFFFF;
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} elseif( count($to_save) == 1 ) {
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$cnt = count($raList);
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// If the first entry, it's the root... Don't clone it!
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$raList[$cnt] = ( $depth == 0 ) ? $to_save[0] : clone $to_save[0];
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$raList[$cnt]->No = $cnt;
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$raList[$cnt]->PrevPps = 0xFFFFFFFF;
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$raList[$cnt]->NextPps = 0xFFFFFFFF;
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$raList[$cnt]->DirPps = self::_savePpsSetPnt($raList, @$raList[$cnt]->children, $depth++);
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} else {
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$iPos = floor(count($to_save) / 2);
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$aPrev = array_slice($to_save, 0, $iPos);
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$aNext = array_slice($to_save, $iPos + 1);
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$cnt = count($raList);
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// If the first entry, it's the root... Don't clone it!
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$raList[$cnt] = ( $depth == 0 ) ? $to_save[$iPos] : clone $to_save[$iPos];
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$raList[$cnt]->No = $cnt;
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$raList[$cnt]->PrevPps = self::_savePpsSetPnt($raList, $aPrev, $depth++);
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$raList[$cnt]->NextPps = self::_savePpsSetPnt($raList, $aNext, $depth++);
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$raList[$cnt]->DirPps = self::_savePpsSetPnt($raList, @$raList[$cnt]->children, $depth++);
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}
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return $cnt;
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}
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}
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