851 lines
41 KiB
PHP
Executable File
851 lines
41 KiB
PHP
Executable File
<?php
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/** PHPExcel root directory */
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if (!defined('PHPEXCEL_ROOT')) {
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/**
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* @ignore
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*/
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define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
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require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
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}
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/**
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* PHPExcel_Reader_Gnumeric
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*
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* Copyright (c) 2006 - 2015 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_Reader
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* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
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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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class PHPExcel_Reader_Gnumeric extends PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
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{
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/**
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* Formats
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*
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* @var array
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*/
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private $styles = array();
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/**
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* Shared Expressions
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*
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* @var array
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*/
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private $expressions = array();
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private $referenceHelper = null;
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/**
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* Create a new PHPExcel_Reader_Gnumeric
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*/
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public function __construct()
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{
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$this->readFilter = new PHPExcel_Reader_DefaultReadFilter();
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$this->referenceHelper = PHPExcel_ReferenceHelper::getInstance();
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}
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/**
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* Can the current PHPExcel_Reader_IReader read the file?
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*
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* @param string $pFilename
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* @return boolean
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* @throws PHPExcel_Reader_Exception
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*/
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public function canRead($pFilename)
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{
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// Check if file exists
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if (!file_exists($pFilename)) {
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throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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// Check if gzlib functions are available
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if (!function_exists('gzread')) {
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throw new PHPExcel_Reader_Exception("gzlib library is not enabled");
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}
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// Read signature data (first 3 bytes)
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$fh = fopen($pFilename, 'r');
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$data = fread($fh, 2);
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fclose($fh);
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if ($data != chr(0x1F).chr(0x8B)) {
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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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* Reads names of the worksheets from a file, without parsing the whole file to a PHPExcel object
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*
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* @param string $pFilename
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* @throws PHPExcel_Reader_Exception
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*/
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public function listWorksheetNames($pFilename)
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{
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// Check if file exists
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if (!file_exists($pFilename)) {
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throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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$xml = new XMLReader();
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$xml->xml($this->securityScanFile('compress.zlib://'.realpath($pFilename)), null, PHPExcel_Settings::getLibXmlLoaderOptions());
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$xml->setParserProperty(2, true);
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$worksheetNames = array();
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while ($xml->read()) {
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if ($xml->name == 'gnm:SheetName' && $xml->nodeType == XMLReader::ELEMENT) {
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$xml->read(); // Move onto the value node
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$worksheetNames[] = (string) $xml->value;
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} elseif ($xml->name == 'gnm:Sheets') {
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// break out of the loop once we've got our sheet names rather than parse the entire file
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break;
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}
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}
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return $worksheetNames;
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}
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/**
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* Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns)
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*
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* @param string $pFilename
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* @throws PHPExcel_Reader_Exception
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*/
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public function listWorksheetInfo($pFilename)
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{
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// Check if file exists
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if (!file_exists($pFilename)) {
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throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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$xml = new XMLReader();
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$xml->xml($this->securityScanFile('compress.zlib://'.realpath($pFilename)), null, PHPExcel_Settings::getLibXmlLoaderOptions());
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$xml->setParserProperty(2, true);
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$worksheetInfo = array();
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while ($xml->read()) {
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if ($xml->name == 'gnm:Sheet' && $xml->nodeType == XMLReader::ELEMENT) {
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$tmpInfo = array(
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'worksheetName' => '',
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'lastColumnLetter' => 'A',
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'lastColumnIndex' => 0,
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'totalRows' => 0,
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'totalColumns' => 0,
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);
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while ($xml->read()) {
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if ($xml->name == 'gnm:Name' && $xml->nodeType == XMLReader::ELEMENT) {
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$xml->read(); // Move onto the value node
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$tmpInfo['worksheetName'] = (string) $xml->value;
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} elseif ($xml->name == 'gnm:MaxCol' && $xml->nodeType == XMLReader::ELEMENT) {
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$xml->read(); // Move onto the value node
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$tmpInfo['lastColumnIndex'] = (int) $xml->value;
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$tmpInfo['totalColumns'] = (int) $xml->value + 1;
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} elseif ($xml->name == 'gnm:MaxRow' && $xml->nodeType == XMLReader::ELEMENT) {
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$xml->read(); // Move onto the value node
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$tmpInfo['totalRows'] = (int) $xml->value + 1;
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break;
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}
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}
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$tmpInfo['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($tmpInfo['lastColumnIndex']);
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$worksheetInfo[] = $tmpInfo;
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}
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}
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return $worksheetInfo;
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}
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private function gzfileGetContents($filename)
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{
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$file = @gzopen($filename, 'rb');
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if ($file !== false) {
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$data = '';
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while (!gzeof($file)) {
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$data .= gzread($file, 1024);
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}
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gzclose($file);
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}
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return $data;
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}
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/**
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* Loads PHPExcel from file
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*
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* @param string $pFilename
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* @return PHPExcel
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* @throws PHPExcel_Reader_Exception
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*/
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public function load($pFilename)
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{
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// Create new PHPExcel
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$objPHPExcel = new PHPExcel();
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// Load into this instance
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return $this->loadIntoExisting($pFilename, $objPHPExcel);
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}
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/**
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* Loads PHPExcel from file into PHPExcel instance
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*
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* @param string $pFilename
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* @param PHPExcel $objPHPExcel
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* @return PHPExcel
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* @throws PHPExcel_Reader_Exception
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*/
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public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel)
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{
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// Check if file exists
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if (!file_exists($pFilename)) {
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throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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$timezoneObj = new DateTimeZone('Europe/London');
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$GMT = new DateTimeZone('UTC');
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$gFileData = $this->gzfileGetContents($pFilename);
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// echo '<pre>';
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// echo htmlentities($gFileData,ENT_QUOTES,'UTF-8');
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// echo '</pre><hr />';
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//
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$xml = simplexml_load_string($this->securityScan($gFileData), 'SimpleXMLElement', PHPExcel_Settings::getLibXmlLoaderOptions());
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$namespacesMeta = $xml->getNamespaces(true);
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// var_dump($namespacesMeta);
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//
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$gnmXML = $xml->children($namespacesMeta['gnm']);
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$docProps = $objPHPExcel->getProperties();
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// Document Properties are held differently, depending on the version of Gnumeric
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if (isset($namespacesMeta['office'])) {
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$officeXML = $xml->children($namespacesMeta['office']);
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$officeDocXML = $officeXML->{'document-meta'};
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$officeDocMetaXML = $officeDocXML->meta;
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foreach ($officeDocMetaXML as $officePropertyData) {
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$officePropertyDC = array();
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if (isset($namespacesMeta['dc'])) {
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$officePropertyDC = $officePropertyData->children($namespacesMeta['dc']);
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}
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foreach ($officePropertyDC as $propertyName => $propertyValue) {
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$propertyValue = (string) $propertyValue;
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switch ($propertyName) {
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case 'title':
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$docProps->setTitle(trim($propertyValue));
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break;
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case 'subject':
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$docProps->setSubject(trim($propertyValue));
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break;
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case 'creator':
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$docProps->setCreator(trim($propertyValue));
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$docProps->setLastModifiedBy(trim($propertyValue));
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break;
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case 'date':
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$creationDate = strtotime(trim($propertyValue));
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$docProps->setCreated($creationDate);
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$docProps->setModified($creationDate);
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break;
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case 'description':
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$docProps->setDescription(trim($propertyValue));
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break;
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}
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}
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$officePropertyMeta = array();
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