diff options
Diffstat (limited to 'admin/survey/excel/PHPExcel/Writer/Excel5/BIFFwriter.php')
| -rw-r--r-- | admin/survey/excel/PHPExcel/Writer/Excel5/BIFFwriter.php | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/admin/survey/excel/PHPExcel/Writer/Excel5/BIFFwriter.php b/admin/survey/excel/PHPExcel/Writer/Excel5/BIFFwriter.php deleted file mode 100644 index 2c930c3..0000000 --- a/admin/survey/excel/PHPExcel/Writer/Excel5/BIFFwriter.php +++ /dev/null @@ -1,255 +0,0 @@ -<?php
-/**
- * PHPExcel
- *
- * Copyright (c) 2006 - 2012 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_Writer_Excel5
- * @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
- * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
- * @version 1.7.8, 2012-10-12
- */
-
-// Original file header of PEAR::Spreadsheet_Excel_Writer_BIFFwriter (used as the base for this class):
-// -----------------------------------------------------------------------------------------
-// * Module written/ported by Xavier Noguer <xnoguer@rezebra.com>
-// *
-// * The majority of this is _NOT_ my code. I simply ported it from the
-// * PERL Spreadsheet::WriteExcel module.
-// *
-// * The author of the Spreadsheet::WriteExcel module is John McNamara
-// * <jmcnamara@cpan.org>
-// *
-// * I _DO_ maintain this code, and John McNamara has nothing to do with the
-// * porting of this code to PHP. Any questions directly related to this
-// * class library should be directed to me.
-// *
-// * License Information:
-// *
-// * Spreadsheet_Excel_Writer: A library for generating Excel Spreadsheets
-// * Copyright (c) 2002-2003 Xavier Noguer xnoguer@rezebra.com
-// *
-// * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-// */
-
-
-/**
- * PHPExcel_Writer_Excel5_BIFFwriter
- *
- * @category PHPExcel
- * @package PHPExcel_Writer_Excel5
- * @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
- */
-class PHPExcel_Writer_Excel5_BIFFwriter
-{
- /**
- * The byte order of this architecture. 0 => little endian, 1 => big endian
- * @var integer
- */
- private static $_byte_order;
-
- /**
- * The string containing the data of the BIFF stream
- * @var string
- */
- public $_data;
-
- /**
- * The size of the data in bytes. Should be the same as strlen($this->_data)
- * @var integer
- */
- public $_datasize;
-
- /**
- * The maximum length for a BIFF record (excluding record header and length field). See _addContinue()
- * @var integer
- * @see _addContinue()
- */
- public $_limit = 8224;
-
- /**
- * Constructor
- */
- public function __construct()
- {
- $this->_data = '';
- $this->_datasize = 0;
-// $this->_limit = 8224;
- }
-
- /**
- * Determine the byte order and store it as class data to avoid
- * recalculating it for each call to new().
- *
- * @return int
- */
- public static function getByteOrder()
- {
- if (!isset(self::$_byte_order)) {
- // Check if "pack" gives the required IEEE 64bit float
- $teststr = pack("d", 1.2345);
- $number = pack("C8", 0x8D, 0x97, 0x6E, 0x12, 0x83, 0xC0, 0xF3, 0x3F);
- if ($number == $teststr) {
- $byte_order = 0; // Little Endian
- } elseif ($number == strrev($teststr)){
- $byte_order = 1; // Big Endian
- } else {
- // Give up. I'll fix this in a later version.
- throw new Exception("Required floating point format not supported on this platform.");
- }
- self::$_byte_order = $byte_order;
- }
-
- return self::$_byte_order;
- }
-
- /**
- * General storage function
- *
- * @param string $data binary data to append
- * @access private
- */
- function _append($data)
- {
- if (strlen($data) - 4 > $this->_limit) {
- $data = $this->_addContinue($data);
- }
- $this->_data .= $data;
- $this->_datasize += strlen($data);
- }
-
- /**
- * General storage function like _append, but returns string instead of modifying $this->_data
- *
- * @param string $data binary data to write
- * @return string
- */
- public function writeData($data)
- {
- if (strlen($data) - 4 > $this->_limit) {
- $data = $this->_addContinue($data);
- }
- $this->_datasize += strlen($data);
-
- return $data;
- }
-
- /**
- * Writes Excel BOF record to indicate the beginning of a stream or
- * sub-stream in the BIFF file.
- *
- * @param integer $type Type of BIFF file to write: 0x0005 Workbook,
- * 0x0010 Worksheet.
- * @access private
- */
- function _storeBof($type)
- {
- $record = 0x0809; // Record identifier (BIFF5-BIFF8)
- $length = 0x0010;
-
- // by inspection of real files, MS Office Excel 2007 writes the following
- $unknown = pack("VV", 0x000100D1, 0x00000406);
-
- $build = 0x0DBB; // Excel 97
- $year = 0x07CC; // Excel 97
-
- $version = 0x0600; // BIFF8
-
- $header = pack("vv", $record, $length);
- $data = pack("vvvv", $version, $type, $build, $year);
- $this->_append($header . $data . $unknown);
- }
-
- /**
- * Writes Excel EOF record to indicate the end of a BIFF stream.
- *
- * @access private
- */
- function _storeEof()
- {
- $record = 0x000A; // Record identifier
- $length = 0x0000; // Number of bytes to follow
-
- $header = pack("vv", $record, $length);
- $this->_append($header);
- }
-
- /**
- * Writes Excel EOF record to indicate the end of a BIFF stream.
- *
- * @access private
- */
- public function writeEof()
- {
- $record = 0x000A; // Record identifier
- $length = 0x0000; // Number of bytes to follow
- $header = pack("vv", $record, $length);
- return $this->writeData($header);
- }
-
- /**
- * Excel limits the size of BIFF records. In Excel 5 the limit is 2084 bytes. In
- * Excel 97 the limit is 8228 bytes. Records that are longer than these limits
- * must be split up into CONTINUE blocks.
- *
- * This function takes a long BIFF record and inserts CONTINUE records as
- * necessary.
- *
- * @param string $data The original binary data to be written
- * @return string A very convenient string of continue blocks
- * @access private
- */
- function _addContinue($data)
- {
- $limit = $this->_limit;
- $record = 0x003C; // Record identifier
-
- // The first 2080/8224 bytes remain intact. However, we have to change
- // the length field of the record.
- $tmp = substr($data, 0, 2) . pack("v", $limit) . substr($data, 4, $limit);
-
- $header = pack("vv", $record, $limit); // Headers for continue records
-
- // Retrieve chunks of 2080/8224 bytes +4 for the header.
- $data_length = strlen($data);
- for ($i = $limit + 4; $i < ($data_length - $limit); $i += $limit) {
- $tmp .= $header;
- $tmp .= substr($data, $i, $limit);
- }
-
- // Retrieve the last chunk of data
- $header = pack("vv", $record, strlen($data) - $i);
- $tmp .= $header;
- $tmp .= substr($data, $i, strlen($data) - $i);
-
- return $tmp;
- }
-
-}
|