417 lines
12 KiB
PHP
417 lines
12 KiB
PHP
<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2010 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 - 2010 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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/** 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_SYLK
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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 - 2010 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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class PHPExcel_Reader_SYLK implements PHPExcel_Reader_IReader
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{
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/**
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* Input encoding
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*
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* @var string
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*/
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private $_inputEncoding;
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/**
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* Sheet index to read
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*
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* @var int
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*/
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private $_sheetIndex;
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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 $_formats = array();
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/**
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* Format Count
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*
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* @var int
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*/
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private $_format = 0;
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/**
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* PHPExcel_Reader_IReadFilter instance
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*
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* @var PHPExcel_Reader_IReadFilter
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*/
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private $_readFilter = null;
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/**
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* Create a new PHPExcel_Reader_SYLK
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*/
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public function __construct() {
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$this->_inputEncoding = 'ANSI';
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$this->_sheetIndex = 0;
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$this->_readFilter = new PHPExcel_Reader_DefaultReadFilter();
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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 $pFileName
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* @return boolean
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*/
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public function canRead($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 Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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// Read sample data (first 2 KB will do)
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$fh = fopen($pFilename, 'r');
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$data = fread($fh, 2048);
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fclose($fh);
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// Count delimiters in file
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$delimiterCount = substr_count($data, ';');
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if ($delimiterCount < 1) {
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return false;
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}
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// Analyze first line looking for ID; signature
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$lines = explode("\n", $data);
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if (substr($lines[0],0,4) != 'ID;P') {
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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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* Loads PHPExcel from file
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*
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* @param string $pFilename
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* @return PHPExcel
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* @throws Exception
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*/
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public function load($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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* Read filter
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*
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* @return PHPExcel_Reader_IReadFilter
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*/
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public function getReadFilter() {
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return $this->_readFilter;
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}
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/**
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* Set read filter
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*
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* @param PHPExcel_Reader_IReadFilter $pValue
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*/
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public function setReadFilter(PHPExcel_Reader_IReadFilter $pValue) {
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$this->_readFilter = $pValue;
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return $this;
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}
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/**
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* Set input encoding
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*
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* @param string $pValue Input encoding
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*/
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public function setInputEncoding($pValue = 'ANSI')
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{
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$this->_inputEncoding = $pValue;
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return $this;
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}
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/**
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* Get input encoding
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*
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* @return string
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*/
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public function getInputEncoding()
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{
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return $this->_inputEncoding;
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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 $objPHPExcel
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* @return PHPExcel
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* @throws Exception
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*/
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public function loadIntoExisting($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 Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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// Create new PHPExcel
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while ($objPHPExcel->getSheetCount() <= $this->_sheetIndex) {
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$objPHPExcel->createSheet();
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}
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$objPHPExcel->setActiveSheetIndex( $this->_sheetIndex );
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$fromFormats = array('\-', '\ ');
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$toFormats = array('-', ' ');
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// Open file
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$fileHandle = fopen($pFilename, 'r');
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if ($fileHandle === false) {
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throw new Exception("Could not open file $pFilename for reading.");
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}
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// Loop through file
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$rowData = array();
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$column = $row = '';
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// loop through one row (line) at a time in the file
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while (($rowData = fgets($fileHandle)) !== FALSE) {
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// convert SYLK encoded $rowData to UTF-8
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$rowData = PHPExcel_Shared_String::SYLKtoUTF8($rowData);
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// explode each row at semicolons while taking into account that literal semicolon (;)
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// is escaped like this (;;)
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$rowData = explode("\t",str_replace('¤',';',str_replace(';',"\t",str_replace(';;','¤',rtrim($rowData)))));
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$dataType = array_shift($rowData);
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// Read shared styles
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if ($dataType == 'P') {
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$formatArray = array();
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foreach($rowData as $rowDatum) {
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switch($rowDatum{0}) {
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case 'P' : $formatArray['numberformat']['code'] = str_replace($fromFormats,$toFormats,substr($rowDatum,1));
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break;
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case 'E' :
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case 'F' : $formatArray['font']['name'] = substr($rowDatum,1);
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break;
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case 'L' : $formatArray['font']['size'] = substr($rowDatum,1);
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break;
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case 'S' : $styleSettings = substr($rowDatum,1);
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for ($i=0;$i<strlen($styleSettings);++$i) {
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switch ($styleSettings{$i}) {
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case 'I' : $formatArray['font']['italic'] = true;
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break;
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case 'D' : $formatArray['font']['bold'] = true;
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break;
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case 'T' : $formatArray['borders']['top']['style'] = PHPExcel_Style_Border::BORDER_THIN;
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break;
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case 'B' : $formatArray['borders']['bottom']['style'] = PHPExcel_Style_Border::BORDER_THIN;
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break;
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case 'L' : $formatArray['borders']['left']['style'] = PHPExcel_Style_Border::BORDER_THIN;
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break;
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case 'R' : $formatArray['borders']['right']['style'] = PHPExcel_Style_Border::BORDER_THIN;
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break;
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}
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}
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break;
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}
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}
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$this->_formats['P'.$this->_format++] = $formatArray;
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// Read cell value data
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} elseif ($dataType == 'C') {
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$hasCalculatedValue = false;
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$cellData = $cellDataFormula = '';
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foreach($rowData as $rowDatum) {
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switch($rowDatum{0}) {
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case 'C' :
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case 'X' : $column = substr($rowDatum,1);
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break;
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case 'R' :
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case 'Y' : $row = substr($rowDatum,1);
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break;
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case 'K' : $cellData = substr($rowDatum,1);
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break;
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case 'E' : $cellDataFormula = '='.substr($rowDatum,1);
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// Convert R1C1 style references to A1 style references (but only when not quoted)
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$temp = explode('"',$cellDataFormula);
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foreach($temp as $key => &$value) {
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// Only count/replace in alternate array entries
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if (($key % 2) == 0) {
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preg_match_all('/(R(\[?-?\d*\]?))(C(\[?-?\d*\]?))/',$value, $cellReferences,PREG_SET_ORDER+PREG_OFFSET_CAPTURE);
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// Reverse the matches array, otherwise all our offsets will become incorrect if we modify our way
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// through the formula from left to right. Reversing means that we work right to left.through
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// the formula
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$cellReferences = array_reverse($cellReferences);
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// Loop through each R1C1 style reference in turn, converting it to its A1 style equivalent,
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// then modify the formula to use that new reference
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foreach($cellReferences as $cellReference) {
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$rowReference = $cellReference[2][0];
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// Empty R reference is the current row
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if ($rowReference == '') $rowReference = $row;
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// Bracketed R references are relative to the current row
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if ($rowReference{0} == '[') $rowReference = $row + trim($rowReference,'[]');
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$columnReference = $cellReference[4][0];
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// Empty C reference is the current column
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if ($columnReference == '') $columnReference = $column;
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// Bracketed C references are relative to the current column
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if ($columnReference{0} == '[') $columnReference = $column + trim($columnReference,'[]');
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$A1CellReference = PHPExcel_Cell::stringFromColumnIndex($columnReference-1).$rowReference;
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$value = substr_replace($value,$A1CellReference,$cellReference[0][1],strlen($cellReference[0][0]));
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}
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}
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}
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unset($value);
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// Then rebuild the formula string
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$cellDataFormula = implode('"',$temp);
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$hasCalculatedValue = true;
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break;
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}
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}
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$columnLetter = PHPExcel_Cell::stringFromColumnIndex($column-1);
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$cellData = PHPExcel_Calculation::_unwrapResult($cellData);
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// Set cell value
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$objPHPExcel->getActiveSheet()->getCell($columnLetter.$row)->setValue(($hasCalculatedValue) ? $cellDataFormula : $cellData);
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if ($hasCalculatedValue) {
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$cellData = PHPExcel_Calculation::_unwrapResult($cellData);
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$objPHPExcel->getActiveSheet()->getCell($columnLetter.$row)->setCalculatedValue($cellData);
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}
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// Read cell formatting
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} elseif ($dataType == 'F') {
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$formatStyle = $columnWidth = $styleSettings = '';
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$styleData = array();
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foreach($rowData as $rowDatum) {
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switch($rowDatum{0}) {
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case 'C' :
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case 'X' : $column = substr($rowDatum,1);
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break;
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case 'R' :
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case 'Y' : $row = substr($rowDatum,1);
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break;
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case 'P' : $formatStyle = $rowDatum;
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break;
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case 'W' : list($startCol,$endCol,$columnWidth) = explode(' ',substr($rowDatum,1));
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break;
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case 'S' : $styleSettings = substr($rowDatum,1);
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for ($i=0;$i<strlen($styleSettings);++$i) {
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switch ($styleSettings{$i}) {
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case 'I' : $styleData['font']['italic'] = true;
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break;
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case 'D' : $styleData['font']['bold'] = true;
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break;
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case 'T' : $styleData['borders']['top']['style'] = PHPExcel_Style_Border::BORDER_THIN;
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break;
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case 'B' : $styleData['borders']['bottom']['style'] = PHPExcel_Style_Border::BORDER_THIN;
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break;
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case 'L' : $styleData['borders']['left']['style'] = PHPExcel_Style_Border::BORDER_THIN;
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break;
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case 'R' : $styleData['borders']['right']['style'] = PHPExcel_Style_Border::BORDER_THIN;
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break;
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}
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}
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break;
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}
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}
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if (($formatStyle > '') && ($column > '') && ($row > '')) {
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$columnLetter = PHPExcel_Cell::stringFromColumnIndex($column-1);
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$objPHPExcel->getActiveSheet()->getStyle($columnLetter.$row)->applyFromArray($this->_formats[$formatStyle]);
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}
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if ((count($styleData) > 0) && ($column > '') && ($row > '')) {
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$columnLetter = PHPExcel_Cell::stringFromColumnIndex($column-1);
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$objPHPExcel->getActiveSheet()->getStyle($columnLetter.$row)->applyFromArray($styleData);
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}
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if ($columnWidth > '') {
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if ($startCol == $endCol) {
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$startCol = PHPExcel_Cell::stringFromColumnIndex($startCol-1);
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$objPHPExcel->getActiveSheet()->getColumnDimension($startCol)->setWidth($columnWidth);
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} else {
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$startCol = PHPExcel_Cell::stringFromColumnIndex($startCol-1);
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$endCol = PHPExcel_Cell::stringFromColumnIndex($endCol-1);
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$objPHPExcel->getActiveSheet()->getColumnDimension($startCol)->setWidth($columnWidth);
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do {
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$objPHPExcel->getActiveSheet()->getColumnDimension(++$startCol)->setWidth($columnWidth);
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} while ($startCol != $endCol);
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}
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}
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} else {
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foreach($rowData as $rowDatum) {
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switch($rowDatum{0}) {
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case 'C' :
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case 'X' : $column = substr($rowDatum,1);
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break;
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case 'R' :
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case 'Y' : $row = substr($rowDatum,1);
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break;
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}
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}
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}
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}
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// Close file
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fclose($fileHandle);
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// Return
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return $objPHPExcel;
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}
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/**
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* Get sheet index
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*
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* @return int
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*/
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public function getSheetIndex() {
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return $this->_sheetIndex;
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}
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/**
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* Set sheet index
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*
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* @param int $pValue Sheet index
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* @return PHPExcel_Reader_SYLK
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*/
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public function setSheetIndex($pValue = 0) {
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$this->_sheetIndex = $pValue;
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return $this;
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}
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}
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