<?php
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namespace PhpOffice\PhpSpreadsheet\Reader;
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use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
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use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
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use PhpOffice\PhpSpreadsheet\Shared\StringHelper;
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use PhpOffice\PhpSpreadsheet\Spreadsheet;
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use PhpOffice\PhpSpreadsheet\Style\Border;
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class Slk extends BaseReader
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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 = 'ANSI';
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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 = 0;
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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 = [];
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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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* Create a new SYLK Reader instance.
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*/
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public function __construct()
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{
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parent::__construct();
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}
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/**
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* Validate that the current file is a SYLK file.
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*
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* @param string $pFilename
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*
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* @return bool
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*/
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public function canRead($pFilename)
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{
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// Check if file exists
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try {
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$this->openFile($pFilename);
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} catch (Exception $e) {
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return false;
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}
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// Read sample data (first 2 KB will do)
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$data = fread($this->fileHandle, 2048);
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// Count delimiters in file
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$delimiterCount = substr_count($data, ';');
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$hasDelimiter = $delimiterCount > 0;
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// Analyze first line looking for ID; signature
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$lines = explode("\n", $data);
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$hasId = substr($lines[0], 0, 4) === 'ID;P';
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fclose($this->fileHandle);
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return $hasDelimiter && $hasId;
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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, eg: 'ANSI'
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*
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* @return $this
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*/
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public function setInputEncoding($pValue)
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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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* Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns).
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*
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* @param string $pFilename
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*
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* @throws Exception
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*
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* @return array
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*/
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public function listWorksheetInfo($pFilename)
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{
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// Open file
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if (!$this->canRead($pFilename)) {
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throw new Exception($pFilename . ' is an Invalid Spreadsheet file.');
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}
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$this->openFile($pFilename);
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$fileHandle = $this->fileHandle;
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rewind($fileHandle);
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$worksheetInfo = [];
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$worksheetInfo[0]['worksheetName'] = 'Worksheet';
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$worksheetInfo[0]['lastColumnLetter'] = 'A';
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$worksheetInfo[0]['lastColumnIndex'] = 0;
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$worksheetInfo[0]['totalRows'] = 0;
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$worksheetInfo[0]['totalColumns'] = 0;
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// loop through one row (line) at a time in the file
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$rowIndex = 0;
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while (($rowData = fgets($fileHandle)) !== false) {
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$columnIndex = 0;
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// convert SYLK encoded $rowData to UTF-8
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$rowData = StringHelper::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($rowData);
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if ($dataType == 'C') {
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// Read cell value data
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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':
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$columnIndex = substr($rowDatum, 1) - 1;
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break;
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case 'R':
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case 'Y':
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$rowIndex = substr($rowDatum, 1);
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break;
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}
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$worksheetInfo[0]['totalRows'] = max($worksheetInfo[0]['totalRows'], $rowIndex);
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$worksheetInfo[0]['lastColumnIndex'] = max($worksheetInfo[0]['lastColumnIndex'], $columnIndex);
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}
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}
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}
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$worksheetInfo[0]['lastColumnLetter'] = Coordinate::stringFromColumnIndex($worksheetInfo[0]['lastColumnIndex'] + 1);
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$worksheetInfo[0]['totalColumns'] = $worksheetInfo[0]['lastColumnIndex'] + 1;
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// Close file
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fclose($fileHandle);
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return $worksheetInfo;
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}
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/**
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* Loads PhpSpreadsheet from file.
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*
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* @param string $pFilename
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*
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* @throws Exception
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*
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* @return Spreadsheet
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*/
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public function load($pFilename)
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{
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// Create new Spreadsheet
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$spreadsheet = new Spreadsheet();
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// Load into this instance
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return $this->loadIntoExisting($pFilename, $spreadsheet);
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}
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/**
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* Loads PhpSpreadsheet from file into PhpSpreadsheet instance.
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*
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* @param string $pFilename
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* @param Spreadsheet $spreadsheet
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*
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* @throws Exception
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*
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* @return Spreadsheet
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*/
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public function loadIntoExisting($pFilename, Spreadsheet $spreadsheet)
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{
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// Open file
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if (!$this->canRead($pFilename)) {
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throw new Exception($pFilename . ' is an Invalid Spreadsheet file.');
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}
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$this->openFile($pFilename);
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$fileHandle = $this->fileHandle;
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rewind($fileHandle);
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// Create new Worksheets
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while ($spreadsheet->getSheetCount() <= $this->sheetIndex) {
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$spreadsheet->createSheet();
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}
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$spreadsheet->setActiveSheetIndex($this->sheetIndex);
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$fromFormats = ['\-', '\ '];
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$toFormats = ['-', ' '];
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// Loop through file
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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 = StringHelper::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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$formatArray = [];
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foreach ($rowData as $rowDatum) {
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switch ($rowDatum[0]) {
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case 'P':
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$formatArray['numberFormat']['formatCode'] = str_replace($fromFormats, $toFormats, substr($rowDatum, 1));
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break;
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case 'E':
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case 'F':
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$formatArray['font']['name'] = substr($rowDatum, 1);
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break;
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case 'L':
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$formatArray['font']['size'] = substr($rowDatum, 1);
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break;
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case 'S':
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$styleSettings = substr($rowDatum, 1);
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$iMax = strlen($styleSettings);
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for ($i = 0; $i < $iMax; ++$i) {
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switch ($styleSettings[$i]) {
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case 'I':
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$formatArray['font']['italic'] = true;
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break;
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case 'D':
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$formatArray['font']['bold'] = true;
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break;
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case 'T':
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$formatArray['borders']['top']['borderStyle'] = Border::BORDER_THIN;
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break;
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case 'B':
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$formatArray['borders']['bottom']['borderStyle'] = Border::BORDER_THIN;
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break;
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case 'L':
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$formatArray['borders']['left']['borderStyle'] = Border::BORDER_THIN;
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break;
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case 'R':
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$formatArray['borders']['right']['borderStyle'] = 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':
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$column = substr($rowDatum, 1);
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break;
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case 'R':
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case 'Y':
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$row = substr($rowDatum, 1);
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break;
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case 'K':
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$cellData = substr($rowDatum, 1);
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break;
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case 'E':
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$cellDataFormula = '=' . substr($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('"', $cellDataFormula);
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$key = false;
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foreach ($temp as &$value) {
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// Only count/replace in alternate array entries
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if ($key = !$key) {
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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 == '') {
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$rowReference = $row;
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}
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// Bracketed R references are relative to the current row
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if ($rowReference[0] == '[') {
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$rowReference = $row + trim($rowReference, '[]');
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}
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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 == '') {
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$columnReference = $column;
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}
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// Bracketed C references are relative to the current column
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if ($columnReference[0] == '[') {
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$columnReference = $column + trim($columnReference, '[]');
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}
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$A1CellReference = Coordinate::stringFromColumnIndex($columnReference) . $rowReference;
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$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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$columnLetter = Coordinate::stringFromColumnIndex($column);
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$cellData = Calculation::unwrapResult($cellData);
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// Set cell value
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$spreadsheet->getActiveSheet()->getCell($columnLetter . $row)->setValue(($hasCalculatedValue) ? $cellDataFormula : $cellData);
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if ($hasCalculatedValue) {
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$cellData = Calculation::unwrapResult($cellData);
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$spreadsheet->getActiveSheet()->getCell($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 = [];
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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':
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$column = substr($rowDatum, 1);
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break;
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case 'R':
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case 'Y':
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$row = substr($rowDatum, 1);
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break;
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case 'P':
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$formatStyle = $rowDatum;
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break;
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case 'W':
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[$startCol, $endCol, $columnWidth] = explode(' ', substr($rowDatum, 1));
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break;
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case 'S':
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$styleSettings = substr($rowDatum, 1);
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$iMax = strlen($styleSettings);
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for ($i = 0; $i < $iMax; ++$i) {
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switch ($styleSettings[$i]) {
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case 'I':
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$styleData['font']['italic'] = true;
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break;
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case 'D':
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$styleData['font']['bold'] = true;
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break;
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case 'T':
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$styleData['borders']['top']['borderStyle'] = Border::BORDER_THIN;
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break;
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case 'B':
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$styleData['borders']['bottom']['borderStyle'] = Border::BORDER_THIN;
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break;
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case 'L':
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$styleData['borders']['left']['borderStyle'] = Border::BORDER_THIN;
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break;
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case 'R':
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$styleData['borders']['right']['borderStyle'] = 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 = Coordinate::stringFromColumnIndex($column);
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if (isset($this->formats[$formatStyle])) {
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$spreadsheet->getActiveSheet()->getStyle($columnLetter . $row)->applyFromArray($this->formats[$formatStyle]);
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}
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}
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if ((!empty($styleData)) && ($column > '') && ($row > '')) {
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$columnLetter = Coordinate::stringFromColumnIndex($column);
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$spreadsheet->getActiveSheet()->getStyle($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 = Coordinate::stringFromColumnIndex($startCol);
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$spreadsheet->getActiveSheet()->getColumnDimension($startCol)->setWidth($columnWidth);
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} else {
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$startCol = Coordinate::stringFromColumnIndex($startCol);
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$endCol = Coordinate::stringFromColumnIndex($endCol);
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$spreadsheet->getActiveSheet()->getColumnDimension($startCol)->setWidth($columnWidth);
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do {
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$spreadsheet->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':
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$column = substr($rowDatum, 1);
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break;
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case 'R':
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case 'Y':
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$row = substr($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 $spreadsheet;
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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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{
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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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*
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* @return $this
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*/
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public function setSheetIndex($pValue)
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{
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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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