<?php

namespace PhpOffice\PhpSpreadsheet\Reader;

use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\Cell\DataType;
use PhpOffice\PhpSpreadsheet\DefinedName;
use PhpOffice\PhpSpreadsheet\Reader\Gnumeric\PageSetup;

> use PhpOffice\PhpSpreadsheet\Reader\Gnumeric\Properties;
use PhpOffice\PhpSpreadsheet\Reader\Security\XmlScanner;
> use PhpOffice\PhpSpreadsheet\Reader\Gnumeric\Styles;


use PhpOffice\PhpSpreadsheet\ReferenceHelper;
use PhpOffice\PhpSpreadsheet\RichText\RichText;
use PhpOffice\PhpSpreadsheet\Settings;

< use PhpOffice\PhpSpreadsheet\Shared\Date;


use PhpOffice\PhpSpreadsheet\Shared\File;
use PhpOffice\PhpSpreadsheet\Spreadsheet;

< use PhpOffice\PhpSpreadsheet\Style\Alignment;
< use PhpOffice\PhpSpreadsheet\Style\Border;
< use PhpOffice\PhpSpreadsheet\Style\Borders;
< use PhpOffice\PhpSpreadsheet\Style\Fill;
< use PhpOffice\PhpSpreadsheet\Style\Font;


use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
use SimpleXMLElement;
use XMLReader;

class Gnumeric extends BaseReader
{

<     private const UOM_CONVERSION_POINTS_TO_CENTIMETERS = 0.03527777778;



>     const NAMESPACE_GNM = 'http://www.gnumeric.org/v10.dtd'; // gmr in old sheets
> 
>     const NAMESPACE_XSI = 'http://www.w3.org/2001/XMLSchema-instance';
> 
>     const NAMESPACE_OFFICE = 'urn:oasis:names:tc:opendocument:xmlns:office:1.0';
> 
>     const NAMESPACE_XLINK = 'http://www.w3.org/1999/xlink';
> 
>     const NAMESPACE_DC = 'http://purl.org/dc/elements/1.1/';
> 
>     const NAMESPACE_META = 'urn:oasis:names:tc:opendocument:xmlns:meta:1.0';
> 
>     const NAMESPACE_OOO = 'http://openoffice.org/2004/office';



    /**
     * Shared Expressions.
     *
     * @var array
     */
    private $expressions = [];

    /**
     * Spreadsheet shared across all functions.
     *
     * @var Spreadsheet
     */
    private $spreadsheet;


>     /** @var ReferenceHelper */


    private $referenceHelper;


<     /**
<      * Namespace shared across all functions.
<      * It is 'gnm', except for really old sheets which use 'gmr'.
<      *
<      * @var string
<      */
<     private $gnm = 'gnm';



>     /** @var array */
>     public static $mappings = [
>         'dataType' => [
>             '10' => DataType::TYPE_NULL,
>             '20' => DataType::TYPE_BOOL,
>             '30' => DataType::TYPE_NUMERIC, // Integer doesn't exist in Excel
>             '40' => DataType::TYPE_NUMERIC, // Float
>             '50' => DataType::TYPE_ERROR,
>             '60' => DataType::TYPE_STRING,
>             //'70':        //    Cell Range
>             //'80':        //    Array
>         ],
>     ];



    /**
     * Create a new Gnumeric.
     */
    public function __construct()
    {
        parent::__construct();
        $this->referenceHelper = ReferenceHelper::getInstance();
        $this->securityScanner = XmlScanner::getInstance($this);
    }

    /**
     * Can the current IReader read the file?

<      *
<      * @param string $pFilename
<      *
<      * @return bool


     */

<     public function canRead($pFilename)



>     public function canRead(string $filename): bool


    {

<         File::assertFile($pFilename);
< 
<         // Check if gzlib functions are available



>         $data = null;
>         if (File::testFileNoThrow($filename)) {
>             $data = $this->gzfileGetContents($filename);
>             if (strpos($data, self::NAMESPACE_GNM) === false) {


        $data = '';

<         if (function_exists('gzread')) {
<             // Read signature data (first 3 bytes)
<             $fh = fopen($pFilename, 'rb');
<             $data = fread($fh, 2);
<             fclose($fh);



>             }


        }


<         return $data == chr(0x1F) . chr(0x8B);



>         return !empty($data);


    }


<     private static function matchXml(string $name, string $field): bool



>     private static function matchXml(XMLReader $xml, string $expectedLocalName): bool


    {

<         return 1 === preg_match("/^(gnm|gmr):$field$/", $name);



>         return $xml->namespaceURI === self::NAMESPACE_GNM
>             && $xml->localName === $expectedLocalName
>             && $xml->nodeType === XMLReader::ELEMENT;


    }

    /**
     * Reads names of the worksheets from a file, without parsing the whole file to a Spreadsheet object.
     *

<      * @param string $pFilename



>      * @param string $filename


     *
     * @return array
     */

<     public function listWorksheetNames($pFilename)



>     public function listWorksheetNames($filename)


    {

<         File::assertFile($pFilename);



>         File::assertFile($filename);
>         if (!$this->canRead($filename)) {
>             throw new Exception($filename . ' is an invalid Gnumeric file.');
>         }



        $xml = new XMLReader();

<         $xml->xml($this->securityScanner->scanFile('compress.zlib://' . realpath($pFilename)), null, Settings::getLibXmlLoaderOptions());



>         $contents = $this->gzfileGetContents($filename);
>         $xml->xml($contents, null, Settings::getLibXmlLoaderOptions());


        $xml->setParserProperty(2, true);

        $worksheetNames = [];
        while ($xml->read()) {

<             if (self::matchXml($xml->name, 'SheetName') && $xml->nodeType == XMLReader::ELEMENT) {



>             if (self::matchXml($xml, 'SheetName')) {


                $xml->read(); //    Move onto the value node
                $worksheetNames[] = (string) $xml->value;

<             } elseif (self::matchXml($xml->name, 'Sheets')) {



>             } elseif (self::matchXml($xml, 'Sheets')) {


                //    break out of the loop once we've got our sheet names rather than parse the entire file
                break;
            }
        }

        return $worksheetNames;
    }

    /**
     * Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns).
     *

<      * @param string $pFilename



>      * @param string $filename


     *
     * @return array
     */

<     public function listWorksheetInfo($pFilename)



>     public function listWorksheetInfo($filename)


    {

<         File::assertFile($pFilename);



>         File::assertFile($filename);
>         if (!$this->canRead($filename)) {
>             throw new Exception($filename . ' is an invalid Gnumeric file.');
>         }



        $xml = new XMLReader();

<         $xml->xml($this->securityScanner->scanFile('compress.zlib://' . realpath($pFilename)), null, Settings::getLibXmlLoaderOptions());



>         $contents = $this->gzfileGetContents($filename);
>         $xml->xml($contents, null, Settings::getLibXmlLoaderOptions());


        $xml->setParserProperty(2, true);

        $worksheetInfo = [];
        while ($xml->read()) {

<             if (self::matchXml($xml->name, 'Sheet') && $xml->nodeType == XMLReader::ELEMENT) {



>             if (self::matchXml($xml, 'Sheet')) {


                $tmpInfo = [
                    'worksheetName' => '',
                    'lastColumnLetter' => 'A',
                    'lastColumnIndex' => 0,
                    'totalRows' => 0,
                    'totalColumns' => 0,
                ];

                while ($xml->read()) {

<                     if ($xml->nodeType == XMLReader::ELEMENT) {
<                         if (self::matchXml($xml->name, 'Name')) {



>                     if (self::matchXml($xml, 'Name')) {


                            $xml->read(); //    Move onto the value node
                            $tmpInfo['worksheetName'] = (string) $xml->value;

<                         } elseif (self::matchXml($xml->name, 'MaxCol')) {



>                     } elseif (self::matchXml($xml, 'MaxCol')) {


                            $xml->read(); //    Move onto the value node
                            $tmpInfo['lastColumnIndex'] = (int) $xml->value;
                            $tmpInfo['totalColumns'] = (int) $xml->value + 1;

<                         } elseif (self::matchXml($xml->name, 'MaxRow')) {



>                     } elseif (self::matchXml($xml, 'MaxRow')) {


                            $xml->read(); //    Move onto the value node
                            $tmpInfo['totalRows'] = (int) $xml->value + 1;

                            break;
                        }
                    }

<                 }


                $tmpInfo['lastColumnLetter'] = Coordinate::stringFromColumnIndex($tmpInfo['lastColumnIndex'] + 1);
                $worksheetInfo[] = $tmpInfo;
            }
        }

        return $worksheetInfo;
    }

    /**
     * @param string $filename
     *
     * @return string
     */
    private function gzfileGetContents($filename)
    {

<         $file = @gzopen($filename, 'rb');


        $data = '';

<         if ($file !== false) {
<             while (!gzeof($file)) {
<                 $data .= gzread($file, 1024);
<             }
<             gzclose($file);
<         }
< 
<         return $data;
<     }
< 
<     private static $mappings = [
<         'borderStyle' => [
<             '0' => Border::BORDER_NONE,
<             '1' => Border::BORDER_THIN,
<             '2' => Border::BORDER_MEDIUM,
<             '3' => Border::BORDER_SLANTDASHDOT,
<             '4' => Border::BORDER_DASHED,
<             '5' => Border::BORDER_THICK,
<             '6' => Border::BORDER_DOUBLE,
<             '7' => Border::BORDER_DOTTED,
<             '8' => Border::BORDER_MEDIUMDASHED,
<             '9' => Border::BORDER_DASHDOT,
<             '10' => Border::BORDER_MEDIUMDASHDOT,
<             '11' => Border::BORDER_DASHDOTDOT,
<             '12' => Border::BORDER_MEDIUMDASHDOTDOT,
<             '13' => Border::BORDER_MEDIUMDASHDOTDOT,
<         ],
<         'dataType' => [
<             '10' => DataType::TYPE_NULL,
<             '20' => DataType::TYPE_BOOL,
<             '30' => DataType::TYPE_NUMERIC, // Integer doesn't exist in Excel
<             '40' => DataType::TYPE_NUMERIC, // Float
<             '50' => DataType::TYPE_ERROR,
<             '60' => DataType::TYPE_STRING,
<             //'70':        //    Cell Range
<             //'80':        //    Array
<         ],
<         'fillType' => [
<             '1' => Fill::FILL_SOLID,
<             '2' => Fill::FILL_PATTERN_DARKGRAY,
<             '3' => Fill::FILL_PATTERN_MEDIUMGRAY,
<             '4' => Fill::FILL_PATTERN_LIGHTGRAY,
<             '5' => Fill::FILL_PATTERN_GRAY125,
<             '6' => Fill::FILL_PATTERN_GRAY0625,
<             '7' => Fill::FILL_PATTERN_DARKHORIZONTAL, // horizontal stripe
<             '8' => Fill::FILL_PATTERN_DARKVERTICAL, // vertical stripe
<             '9' => Fill::FILL_PATTERN_DARKDOWN, // diagonal stripe
<             '10' => Fill::FILL_PATTERN_DARKUP, // reverse diagonal stripe
<             '11' => Fill::FILL_PATTERN_DARKGRID, // diagoanl crosshatch
<             '12' => Fill::FILL_PATTERN_DARKTRELLIS, // thick diagonal crosshatch
<             '13' => Fill::FILL_PATTERN_LIGHTHORIZONTAL,
<             '14' => Fill::FILL_PATTERN_LIGHTVERTICAL,
<             '15' => Fill::FILL_PATTERN_LIGHTUP,
<             '16' => Fill::FILL_PATTERN_LIGHTDOWN,
<             '17' => Fill::FILL_PATTERN_LIGHTGRID, // thin horizontal crosshatch
<             '18' => Fill::FILL_PATTERN_LIGHTTRELLIS, // thin diagonal crosshatch
<         ],
<         'horizontal' => [
<             '1' => Alignment::HORIZONTAL_GENERAL,
<             '2' => Alignment::HORIZONTAL_LEFT,
<             '4' => Alignment::HORIZONTAL_RIGHT,
<             '8' => Alignment::HORIZONTAL_CENTER,
<             '16' => Alignment::HORIZONTAL_CENTER_CONTINUOUS,
<             '32' => Alignment::HORIZONTAL_JUSTIFY,
<             '64' => Alignment::HORIZONTAL_CENTER_CONTINUOUS,
<         ],
<         'underline' => [
<             '1' => Font::UNDERLINE_SINGLE,
<             '2' => Font::UNDERLINE_DOUBLE,
<             '3' => Font::UNDERLINE_SINGLEACCOUNTING,
<             '4' => Font::UNDERLINE_DOUBLEACCOUNTING,
<         ],
<         'vertical' => [
<             '1' => Alignment::VERTICAL_TOP,
<             '2' => Alignment::VERTICAL_BOTTOM,
<             '4' => Alignment::VERTICAL_CENTER,
<             '8' => Alignment::VERTICAL_JUSTIFY,
<         ],
<     ];
< 
<     public static function gnumericMappings(): array
<     {
<         return self::$mappings;
<     }
< 
<     private function docPropertiesOld(SimpleXMLElement $gnmXML): void
<     {
<         $docProps = $this->spreadsheet->getProperties();
<         foreach ($gnmXML->Summary->Item as $summaryItem) {
<             $propertyName = $summaryItem->name;
<             $propertyValue = $summaryItem->{'val-string'};
<             switch ($propertyName) {
<                 case 'title':
<                     $docProps->setTitle(trim($propertyValue));
< 
<                     break;
<                 case 'comments':
<                     $docProps->setDescription(trim($propertyValue));
< 
<                     break;
<                 case 'keywords':
<                     $docProps->setKeywords(trim($propertyValue));
< 
<                     break;
<                 case 'category':
<                     $docProps->setCategory(trim($propertyValue));
< 
<                     break;
<                 case 'manager':
<                     $docProps->setManager(trim($propertyValue));
< 
<                     break;
<                 case 'author':
<                     $docProps->setCreator(trim($propertyValue));
<                     $docProps->setLastModifiedBy(trim($propertyValue));
< 
<                     break;
<                 case 'company':
<                     $docProps->setCompany(trim($propertyValue));
< 
<                     break;
<             }



>         $contents = @file_get_contents($filename);
>         if ($contents !== false) {
>             if (substr($contents, 0, 2) === "\x1f\x8b") {
>                 // Check if gzlib functions are available
>                 if (function_exists('gzdecode')) {
>                     $contents = @gzdecode($contents);
>                     if ($contents !== false) {
>                         $data = $contents;


        }
    }

< 
<     private function docPropertiesDC(SimpleXMLElement $officePropertyDC): void
<     {
<         $docProps = $this->spreadsheet->getProperties();
<         foreach ($officePropertyDC as $propertyName => $propertyValue) {
<             $propertyValue = trim((string) $propertyValue);
<             switch ($propertyName) {
<                 case 'title':
<                     $docProps->setTitle($propertyValue);
< 
<                     break;
<                 case 'subject':
<                     $docProps->setSubject($propertyValue);
< 
<                     break;
<                 case 'creator':
<                     $docProps->setCreator($propertyValue);
<                     $docProps->setLastModifiedBy($propertyValue);
< 
<                     break;
<                 case 'date':
<                     $creationDate = strtotime($propertyValue);
<                     $docProps->setCreated($creationDate);
<                     $docProps->setModified($creationDate);
< 
<                     break;
<                 case 'description':
<                     $docProps->setDescription($propertyValue);
< 
<                     break;
<             }



>             } else {
>                 $data = $contents;


        }
    }

< 
<     private function docPropertiesMeta(SimpleXMLElement $officePropertyMeta, array $namespacesMeta): void
<     {
<         $docProps = $this->spreadsheet->getProperties();
<         foreach ($officePropertyMeta as $propertyName => $propertyValue) {
<             $attributes = $propertyValue->attributes($namespacesMeta['meta']);
<             $propertyValue = trim((string) $propertyValue);
<             switch ($propertyName) {
<                 case 'keyword':
<                     $docProps->setKeywords($propertyValue);
< 
<                     break;
<                 case 'initial-creator':
<                     $docProps->setCreator($propertyValue);
<                     $docProps->setLastModifiedBy($propertyValue);
< 
<                     break;
<                 case 'creation-date':
<                     $creationDate = strtotime($propertyValue);
<                     $docProps->setCreated($creationDate);
<                     $docProps->setModified($creationDate);
< 
<                     break;
<                 case 'user-defined':
<                     [, $attrName] = explode(':', $attributes['name']);
<                     switch ($attrName) {
<                         case 'publisher':
<                             $docProps->setCompany($propertyValue);
< 
<                             break;
<                         case 'category':
<                             $docProps->setCategory($propertyValue);
< 
<                             break;
<                         case 'manager':
<                             $docProps->setManager($propertyValue);
< 
<                             break;



>         if ($data !== '') {
>             $data = $this->getSecurityScannerOrThrow()->scan($data);


                    }


<                     break;
<             }
<         }



>         return $data;


    }


<     private function docProperties(SimpleXMLElement $xml, SimpleXMLElement $gnmXML, array $namespacesMeta): void



>     public static function gnumericMappings(): array


    {

<         if (isset($namespacesMeta['office'])) {
<             $officeXML = $xml->children($namespacesMeta['office']);
<             $officeDocXML = $officeXML->{'document-meta'};
<             $officeDocMetaXML = $officeDocXML->meta;
< 
<             foreach ($officeDocMetaXML as $officePropertyData) {
<                 $officePropertyDC = [];
<                 if (isset($namespacesMeta['dc'])) {
<                     $officePropertyDC = $officePropertyData->children($namespacesMeta['dc']);
<                 }
<                 $this->docPropertiesDC($officePropertyDC);
< 
<                 $officePropertyMeta = [];
<                 if (isset($namespacesMeta['meta'])) {
<                     $officePropertyMeta = $officePropertyData->children($namespacesMeta['meta']);
<                 }
<                 $this->docPropertiesMeta($officePropertyMeta, $namespacesMeta);
<             }
<         } elseif (isset($gnmXML->Summary)) {
<             $this->docPropertiesOld($gnmXML);
<         }



>         return array_merge(self::$mappings, Styles::$mappings);


    }

    private function processComments(SimpleXMLElement $sheet): void
    {
        if ((!$this->readDataOnly) && (isset($sheet->Objects))) {

<             foreach ($sheet->Objects->children($this->gnm, true) as $key => $comment) {



>             foreach ($sheet->Objects->children(self::NAMESPACE_GNM) as $key => $comment) {


                $commentAttributes = $comment->attributes();
                //    Only comment objects are handled at the moment

<                 if ($commentAttributes->Text) {
<                     $this->spreadsheet->getActiveSheet()->getComment((string) $commentAttributes->ObjectBound)->setAuthor((string) $commentAttributes->Author)->setText($this->parseRichText((string) $commentAttributes->Text));



>                 if ($commentAttributes && $commentAttributes->Text) {
>                     $this->spreadsheet->getActiveSheet()->getComment((string) $commentAttributes->ObjectBound)
>                         ->setAuthor((string) $commentAttributes->Author)
>                         ->setText($this->parseRichText((string) $commentAttributes->Text));
>                 }


                }
            }
        }

> 
    }
>     /**

>      * @param mixed $value
    /**
>      */
     * Loads Spreadsheet from file.
>     private static function testSimpleXml($value): SimpleXMLElement
     *
>     {
     * @param string $pFilename
>         return ($value instanceof SimpleXMLElement) ? $value : new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><root></root>');



<      *
<      * @param string $pFilename
<      *
<      * @return Spreadsheet



<     public function load($pFilename)



>     protected function loadSpreadsheetFromFile(string $filename): Spreadsheet


        // Create new Spreadsheet
        $spreadsheet = new Spreadsheet();
        $spreadsheet->removeSheetByIndex(0);

        // Load into this instance

<         return $this->loadIntoExisting($pFilename, $spreadsheet);



>         return $this->loadIntoExisting($filename, $spreadsheet);


    }

    /**
     * Loads from file into Spreadsheet instance.
     */

<     public function loadIntoExisting(string $pFilename, Spreadsheet $spreadsheet): Spreadsheet



>     public function loadIntoExisting(string $filename, Spreadsheet $spreadsheet): Spreadsheet


    {
        $this->spreadsheet = $spreadsheet;

<         File::assertFile($pFilename);



>         File::assertFile($filename);
>         if (!$this->canRead($filename)) {
>             throw new Exception($filename . ' is an invalid Gnumeric file.');
>         }




<         $gFileData = $this->gzfileGetContents($pFilename);



>         $gFileData = $this->gzfileGetContents($filename);




<         $xml2 = simplexml_load_string($this->securityScanner->scan($gFileData), 'SimpleXMLElement', Settings::getLibXmlLoaderOptions());
<         $xml = ($xml2 !== false) ? $xml2 : new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><root></root>');
<         $namespacesMeta = $xml->getNamespaces(true);
<         $this->gnm = array_key_exists('gmr', $namespacesMeta) ? 'gmr' : 'gnm';



>         $xml2 = simplexml_load_string($gFileData, 'SimpleXMLElement', Settings::getLibXmlLoaderOptions());
>         $xml = self::testSimpleXml($xml2);




<         $gnmXML = $xml->children($namespacesMeta[$this->gnm]);
<         $this->docProperties($xml, $gnmXML, $namespacesMeta);



>         $gnmXML = $xml->children(self::NAMESPACE_GNM);
>         (new Properties($this->spreadsheet))->readProperties($xml, $gnmXML);



        $worksheetID = 0;

<         foreach ($gnmXML->Sheets->Sheet as $sheet) {



>         foreach ($gnmXML->Sheets->Sheet as $sheetOrNull) {
>             $sheet = self::testSimpleXml($sheetOrNull);


            $worksheetName = (string) $sheet->Name;

<             if ((isset($this->loadSheetsOnly)) && (!in_array($worksheetName, $this->loadSheetsOnly))) {



>             if (is_array($this->loadSheetsOnly) && !in_array($worksheetName, $this->loadSheetsOnly, true)) {


                continue;
            }

            $maxRow = $maxCol = 0;

            // Create new Worksheet
            $this->spreadsheet->createSheet();
            $this->spreadsheet->setActiveSheetIndex($worksheetID);
            //    Use false for $updateFormulaCellReferences to prevent adjustment of worksheet references in formula
            //        cells... during the load, all formulae should be correct, and we're simply bringing the worksheet
            //        name in line with the formula, not the reverse
            $this->spreadsheet->getActiveSheet()->setTitle($worksheetName, false, false);


>             $visibility = $sheet->attributes()['Visibility'] ?? 'GNM_SHEET_VISIBILITY_VISIBLE';
            if (!$this->readDataOnly) {
>             if ((string) $visibility !== 'GNM_SHEET_VISIBILITY_VISIBLE') {
                (new PageSetup($this->spreadsheet, $this->gnm))
>                 $this->spreadsheet->getActiveSheet()->setSheetState(Worksheet::SHEETSTATE_HIDDEN);
                    ->printInformation($sheet)
>             }
                    ->sheetMargins($sheet);
> 



<                 (new PageSetup($this->spreadsheet, $this->gnm))



>                 (new PageSetup($this->spreadsheet))




<             foreach ($sheet->Cells->Cell as $cell) {
<                 $cellAttributes = $cell->attributes();



>             foreach ($sheet->Cells->Cell as $cellOrNull) {
>                 $cell = self::testSimpleXml($cellOrNull);
>                 $cellAttributes = self::testSimpleXml($cell->attributes());


                $row = (int) $cellAttributes->Row + 1;
                $column = (int) $cellAttributes->Col;


<                 if ($row > $maxRow) {
<                     $maxRow = $row;
<                 }
<                 if ($column > $maxCol) {
<                     $maxCol = $column;
<                 }



>                 $maxRow = max($maxRow, $row);
>                 $maxCol = max($maxCol, $column);



                $column = Coordinate::stringFromColumnIndex($column + 1);

                // Read cell?
                if ($this->getReadFilter() !== null) {
                    if (!$this->getReadFilter()->readCell($column, $row, $worksheetName)) {
                        continue;
                    }
                }


<                 $ValueType = $cellAttributes->ValueType;
<                 $ExprID = (string) $cellAttributes->ExprID;
<                 $type = DataType::TYPE_FORMULA;
<                 if ($ExprID > '') {
<                     if (((string) $cell) > '') {
<                         $this->expressions[$ExprID] = [
<                             'column' => $cellAttributes->Col,
<                             'row' => $cellAttributes->Row,
<                             'formula' => (string) $cell,
<                         ];
<                     } else {
<                         $expression = $this->expressions[$ExprID];
< 
<                         $cell = $this->referenceHelper->updateFormulaReferences(
<                             $expression['formula'],
<                             'A1',
<                             $cellAttributes->Col - $expression['column'],
<                             $cellAttributes->Row - $expression['row'],
<                             $worksheetName
<                         );
<                     }
<                     $type = DataType::TYPE_FORMULA;
<                 } else {
<                     $vtype = (string) $ValueType;
<                     if (array_key_exists($vtype, self::$mappings['dataType'])) {
<                         $type = self::$mappings['dataType'][$vtype];
<                     }
<                     if ($vtype == '20') {        //    Boolean
<                         $cell = $cell == 'TRUE';
<                     }
<                 }
<                 $this->spreadsheet->getActiveSheet()->getCell($column . $row)->setValueExplicit((string) $cell, $type);



>                 $this->loadCell($cell, $worksheetName, $cellAttributes, $column, $row);


            }


<             $this->processComments($sheet);
< 
<             foreach ($sheet->Styles->StyleRegion as $styleRegion) {
<                 $styleAttributes = $styleRegion->attributes();
<                 if (
<                     ($styleAttributes['startRow'] <= $maxRow) &&
<                     ($styleAttributes['startCol'] <= $maxCol)
<                 ) {
<                     $startColumn = Coordinate::stringFromColumnIndex((int) $styleAttributes['startCol'] + 1);
<                     $startRow = $styleAttributes['startRow'] + 1;
< 
<                     $endColumn = ($styleAttributes['endCol'] > $maxCol) ? $maxCol : (int) $styleAttributes['endCol'];
<                     $endColumn = Coordinate::stringFromColumnIndex($endColumn + 1);
< 
<                     $endRow = 1 + (($styleAttributes['endRow'] > $maxRow) ? $maxRow : (int) $styleAttributes['endRow']);
<                     $cellRange = $startColumn . $startRow . ':' . $endColumn . $endRow;
< 
<                     $styleAttributes = $styleRegion->Style->attributes();
< 
<                     $styleArray = [];
<                     //    We still set the number format mask for date/time values, even if readDataOnly is true
<                     $formatCode = (string) $styleAttributes['Format'];
<                     if (Date::isDateTimeFormatCode($formatCode)) {
<                         $styleArray['numberFormat']['formatCode'] = $formatCode;
<                     }
<                     if (!$this->readDataOnly) {
<                         //    If readDataOnly is false, we set all formatting information
<                         $styleArray['numberFormat']['formatCode'] = $formatCode;
< 
<                         self::addStyle2($styleArray, 'alignment', 'horizontal', $styleAttributes['HAlign']);
<                         self::addStyle2($styleArray, 'alignment', 'vertical', $styleAttributes['VAlign']);
<                         $styleArray['alignment']['wrapText'] = $styleAttributes['WrapText'] == '1';
<                         $styleArray['alignment']['textRotation'] = $this->calcRotation($styleAttributes);
<                         $styleArray['alignment']['shrinkToFit'] = $styleAttributes['ShrinkToFit'] == '1';
<                         $styleArray['alignment']['indent'] = ((int) ($styleAttributes['Indent']) > 0) ? $styleAttributes['indent'] : 0;
< 
<                         $this->addColors($styleArray, $styleAttributes);
< 
<                         $fontAttributes = $styleRegion->Style->Font->attributes();
<                         $styleArray['font']['name'] = (string) $styleRegion->Style->Font;
<                         $styleArray['font']['size'] = (int) ($fontAttributes['Unit']);
<                         $styleArray['font']['bold'] = $fontAttributes['Bold'] == '1';
<                         $styleArray['font']['italic'] = $fontAttributes['Italic'] == '1';
<                         $styleArray['font']['strikethrough'] = $fontAttributes['StrikeThrough'] == '1';
<                         self::addStyle2($styleArray, 'font', 'underline', $fontAttributes['Underline']);
< 
<                         switch ($fontAttributes['Script']) {
<                             case '1':
<                                 $styleArray['font']['superscript'] = true;
< 
<                                 break;
<                             case '-1':
<                                 $styleArray['font']['subscript'] = true;
< 
<                                 break;
<                         }
< 
<                         if (isset($styleRegion->Style->StyleBorder)) {
<                             $srssb = $styleRegion->Style->StyleBorder;
<                             $this->addBorderStyle($srssb, $styleArray, 'top');
<                             $this->addBorderStyle($srssb, $styleArray, 'bottom');
<                             $this->addBorderStyle($srssb, $styleArray, 'left');
<                             $this->addBorderStyle($srssb, $styleArray, 'right');
<                             $this->addBorderDiagonal($srssb, $styleArray);
<                         }
<                         if (isset($styleRegion->Style->HyperLink)) {
<                             //    TO DO
<                             $hyperlink = $styleRegion->Style->HyperLink->attributes();
<                         }
<                     }
<                     $this->spreadsheet->getActiveSheet()->getStyle($cellRange)->applyFromArray($styleArray);
<                 }



>             if ($sheet->Styles !== null) {
>                 (new Styles($this->spreadsheet, $this->readDataOnly))->read($sheet, $maxRow, $maxCol);


            }


>             $this->processComments($sheet);


            $this->processColumnWidths($sheet, $maxCol);
            $this->processRowHeights($sheet, $maxRow);
            $this->processMergedCells($sheet);

>             $this->processAutofilter($sheet);




>             $this->setSelectedCells($sheet);


            ++$worksheetID;
        }

        $this->processDefinedNames($gnmXML);


>         $this->setSelectedSheet($gnmXML);
        // Return
> 


        return $this->spreadsheet;
    }


<     private function addBorderDiagonal(SimpleXMLElement $srssb, array &$styleArray): void



>     private function setSelectedSheet(SimpleXMLElement $gnmXML): void


    {

<         if (isset($srssb->Diagonal, $srssb->{'Rev-Diagonal'})) {
<             $styleArray['borders']['diagonal'] = self::parseBorderAttributes($srssb->Diagonal->attributes());
<             $styleArray['borders']['diagonalDirection'] = Borders::DIAGONAL_BOTH;
<         } elseif (isset($srssb->Diagonal)) {
<             $styleArray['borders']['diagonal'] = self::parseBorderAttributes($srssb->Diagonal->attributes());
<             $styleArray['borders']['diagonalDirection'] = Borders::DIAGONAL_UP;
<         } elseif (isset($srssb->{'Rev-Diagonal'})) {
<             $styleArray['borders']['diagonal'] = self::parseBorderAttributes($srssb->{'Rev-Diagonal'}->attributes());
<             $styleArray['borders']['diagonalDirection'] = Borders::DIAGONAL_DOWN;



>         if (isset($gnmXML->UIData)) {
>             $attributes = self::testSimpleXml($gnmXML->UIData->attributes());
>             $selectedSheet = (int) $attributes['SelectedTab'];
>             $this->spreadsheet->setActiveSheetIndex($selectedSheet);


        }
    }


<     private function addBorderStyle(SimpleXMLElement $srssb, array &$styleArray, string $direction): void



>     private function setSelectedCells(?SimpleXMLElement $sheet): void


    {

<         $ucDirection = ucfirst($direction);
<         if (isset($srssb->$ucDirection)) {
<             $styleArray['borders'][$direction] = self::parseBorderAttributes($srssb->$ucDirection->attributes());



>         if ($sheet !== null && isset($sheet->Selections)) {
>             foreach ($sheet->Selections as $selection) {
>                 $startCol = (int) ($selection->StartCol ?? 0);
>                 $startRow = (int) ($selection->StartRow ?? 0) + 1;
>                 $endCol = (int) ($selection->EndCol ?? $startCol);
>                 $endRow = (int) ($selection->endRow ?? 0) + 1;
> 
>                 $startColumn = Coordinate::stringFromColumnIndex($startCol + 1);
>                 $endColumn = Coordinate::stringFromColumnIndex($endCol + 1);
> 
>                 $startCell = "{$startColumn}{$startRow}";
>                 $endCell = "{$endColumn}{$endRow}";
>                 $selectedRange = $startCell . (($endCell !== $startCell) ? ':' . $endCell : '');
>                 $this->spreadsheet->getActiveSheet()->setSelectedCell($selectedRange);
> 
>                 break;
>             }


        }
    }


<     private function processMergedCells(SimpleXMLElement $sheet): void



>     private function processMergedCells(?SimpleXMLElement $sheet): void


    {
        //    Handle Merged Cells in this worksheet

<         if (isset($sheet->MergedRegions)) {



>         if ($sheet !== null && isset($sheet->MergedRegions)) {


            foreach ($sheet->MergedRegions->Merge as $mergeCells) {

<                 if (strpos($mergeCells, ':') !== false) {
<                     $this->spreadsheet->getActiveSheet()->mergeCells($mergeCells);



>                 if (strpos((string) $mergeCells, ':') !== false) {
>                     $this->spreadsheet->getActiveSheet()->mergeCells($mergeCells, Worksheet::MERGE_CELL_CONTENT_HIDE);


                }
            }
        }
    }


<     private function processColumnLoop(int $c, int $maxCol, SimpleXMLElement $columnOverride, float $defaultWidth): int



>     private function processAutofilter(?SimpleXMLElement $sheet): void
>     {
>         if ($sheet !== null && isset($sheet->Filters)) {
>             foreach ($sheet->Filters->Filter as $autofilter) {
>                 if ($autofilter !== null) {
>                     $attributes = $autofilter->attributes();
>                     if (isset($attributes['Area'])) {
>                         $this->spreadsheet->getActiveSheet()->setAutoFilter((string) $attributes['Area']);
>                     }
>                 }
>             }
>         }
>     }
> 
>     private function setColumnWidth(int $whichColumn, float $defaultWidth): void
>     {
>         $columnDimension = $this->spreadsheet->getActiveSheet()
>             ->getColumnDimension(Coordinate::stringFromColumnIndex($whichColumn + 1));
>         if ($columnDimension !== null) {
>             $columnDimension->setWidth($defaultWidth);
>         }
>     }
> 
>     private function setColumnInvisible(int $whichColumn): void


    {

<         $columnAttributes = $columnOverride->attributes();



>         $columnDimension = $this->spreadsheet->getActiveSheet()
>             ->getColumnDimension(Coordinate::stringFromColumnIndex($whichColumn + 1));
>         if ($columnDimension !== null) {
>             $columnDimension->setVisible(false);
>         }
>     }
> 
>     private function processColumnLoop(int $whichColumn, int $maxCol, ?SimpleXMLElement $columnOverride, float $defaultWidth): int
>     {
>         $columnOverride = self::testSimpleXml($columnOverride);
>         $columnAttributes = self::testSimpleXml($columnOverride->attributes());


        $column = $columnAttributes['No'];
        $columnWidth = ((float) $columnAttributes['Unit']) / 5.4;
        $hidden = (isset($columnAttributes['Hidden'])) && ((string) $columnAttributes['Hidden'] == '1');

<         $columnCount = (isset($columnAttributes['Count'])) ? $columnAttributes['Count'] : 1;
<         while ($c < $column) {
<             $this->spreadsheet->getActiveSheet()->getColumnDimension(Coordinate::stringFromColumnIndex($c + 1))->setWidth($defaultWidth);
<             ++$c;



>         $columnCount = (int) ($columnAttributes['Count'] ?? 1);
>         while ($whichColumn < $column) {
>             $this->setColumnWidth($whichColumn, $defaultWidth);
>             ++$whichColumn;


        }

<         while (($c < ($column + $columnCount)) && ($c <= $maxCol)) {
<             $this->spreadsheet->getActiveSheet()->getColumnDimension(Coordinate::stringFromColumnIndex($c + 1))->setWidth($columnWidth);



>         while (($whichColumn < ($column + $columnCount)) && ($whichColumn <= $maxCol)) {
>             $this->setColumnWidth($whichColumn, $columnWidth);


            if ($hidden) {

<                 $this->spreadsheet->getActiveSheet()->getColumnDimension(Coordinate::stringFromColumnIndex($c + 1))->setVisible(false);



>                 $this->setColumnInvisible($whichColumn);


            }

<             ++$c;



>             ++$whichColumn;


        }


<         return $c;



>         return $whichColumn;


    }


<     private function processColumnWidths(SimpleXMLElement $sheet, int $maxCol): void



>     private function processColumnWidths(?SimpleXMLElement $sheet, int $maxCol): void


    {

<         if ((!$this->readDataOnly) && (isset($sheet->Cols))) {



>         if ((!$this->readDataOnly) && $sheet !== null && (isset($sheet->Cols))) {


            //    Column Widths

>             $defaultWidth = 0;


            $columnAttributes = $sheet->Cols->attributes();

>             if ($columnAttributes !== null) {


            $defaultWidth = $columnAttributes['DefaultSizePts'] / 5.4;

<             $c = 0;



>             }
>             $whichColumn = 0;


            foreach ($sheet->Cols->ColInfo as $columnOverride) {

<                 $c = $this->processColumnLoop($c, $maxCol, $columnOverride, $defaultWidth);



>                 $whichColumn = $this->processColumnLoop($whichColumn, $maxCol, $columnOverride, $defaultWidth);
>             }
>             while ($whichColumn <= $maxCol) {
>                 $this->setColumnWidth($whichColumn, $defaultWidth);
>                 ++$whichColumn;
>             }
>         }


            }

<             while ($c <= $maxCol) {
<                 $this->spreadsheet->getActiveSheet()->getColumnDimension(Coordinate::stringFromColumnIndex($c + 1))->setWidth($defaultWidth);
<                 ++$c;



> 
>     private function setRowHeight(int $whichRow, float $defaultHeight): void
>     {
>         $rowDimension = $this->spreadsheet->getActiveSheet()->getRowDimension($whichRow);
>         if ($rowDimension !== null) {
>             $rowDimension->setRowHeight($defaultHeight);


            }
        }

> 
    }
>     private function setRowInvisible(int $whichRow): void

>     {
    private function processRowLoop(int $r, int $maxRow, SimpleXMLElement $rowOverride, float $defaultHeight): int
>         $rowDimension = $this->spreadsheet->getActiveSheet()->getRowDimension($whichRow);
    {
>         if ($rowDimension !== null) {
        $rowAttributes = $rowOverride->attributes();
>             $rowDimension->setVisible(false);
        $row = $rowAttributes['No'];
>         }



<     private function processRowLoop(int $r, int $maxRow, SimpleXMLElement $rowOverride, float $defaultHeight): int



>     private function processRowLoop(int $whichRow, int $maxRow, ?SimpleXMLElement $rowOverride, float $defaultHeight): int



<         $rowAttributes = $rowOverride->attributes();



>         $rowOverride = self::testSimpleXml($rowOverride);
>         $rowAttributes = self::testSimpleXml($rowOverride->attributes());



<         $rowCount = (isset($rowAttributes['Count'])) ? $rowAttributes['Count'] : 1;
<         while ($r < $row) {
<             ++$r;
<             $this->spreadsheet->getActiveSheet()->getRowDimension($r)->setRowHeight($defaultHeight);
<         }
<         while (($r < ($row + $rowCount)) && ($r < $maxRow)) {
<             ++$r;
<             $this->spreadsheet->getActiveSheet()->getRowDimension($r)->setRowHeight($rowHeight);



>         $rowCount = (int) ($rowAttributes['Count'] ?? 1);
>         while ($whichRow < $row) {
>             ++$whichRow;
>             $this->setRowHeight($whichRow, $defaultHeight);
>         }
>         while (($whichRow < ($row + $rowCount)) && ($whichRow < $maxRow)) {
>             ++$whichRow;
>             $this->setRowHeight($whichRow, $rowHeight);


            if ($hidden) {

<                 $this->spreadsheet->getActiveSheet()->getRowDimension($r)->setVisible(false);



>                 $this->setRowInvisible($whichRow);


            }
        }


<         return $r;



>         return $whichRow;


    }


<     private function processRowHeights(SimpleXMLElement $sheet, int $maxRow): void



>     private function processRowHeights(?SimpleXMLElement $sheet, int $maxRow): void


    {

<         if ((!$this->readDataOnly) && (isset($sheet->Rows))) {



>         if ((!$this->readDataOnly) && $sheet !== null && (isset($sheet->Rows))) {


            //    Row Heights

>             $defaultHeight = 0;


            $rowAttributes = $sheet->Rows->attributes();

>             if ($rowAttributes !== null) {


            $defaultHeight = (float) $rowAttributes['DefaultSizePts'];

<             $r = 0;



>             }
>             $whichRow = 0;



            foreach ($sheet->Rows->RowInfo as $rowOverride) {

<                 $r = $this->processRowLoop($r, $maxRow, $rowOverride, $defaultHeight);



>                 $whichRow = $this->processRowLoop($whichRow, $maxRow, $rowOverride, $defaultHeight);


            }
            // never executed, I can't figure out any circumstances
            // under which it would be executed, and, even if
            // such exist, I'm not convinced this is needed.

<             //while ($r < $maxRow) {
<             //    ++$r;
<             //    $this->spreadsheet->getActiveSheet()->getRowDimension($r)->setRowHeight($defaultHeight);



>             //while ($whichRow < $maxRow) {
>             //    ++$whichRow;
>             //    $this->spreadsheet->getActiveSheet()->getRowDimension($whichRow)->setRowHeight($defaultHeight);


            //}
        }
    }


<     private function processDefinedNames(SimpleXMLElement $gnmXML): void



>     private function processDefinedNames(?SimpleXMLElement $gnmXML): void


    {
        //    Loop through definedNames (global named ranges)

<         if (isset($gnmXML->Names)) {



>         if ($gnmXML !== null && isset($gnmXML->Names)) {


            foreach ($gnmXML->Names->Name as $definedName) {
                $name = (string) $definedName->name;
                $value = (string) $definedName->value;
                if (stripos($value, '#REF!') !== false) {
                    continue;
                }

                [$worksheetName] = Worksheet::extractSheetTitle($value, true);
                $worksheetName = trim($worksheetName, "'");
                $worksheet = $this->spreadsheet->getSheetByName($worksheetName);
                // Worksheet might still be null if we're only loading selected sheets rather than the full spreadsheet
                if ($worksheet !== null) {
                    $this->spreadsheet->addDefinedName(DefinedName::createInstance($name, $worksheet, $value));
                }
            }
        }
    }


<     private function calcRotation(SimpleXMLElement $styleAttributes): int



>     private function parseRichText(string $is): RichText


    {

<         $rotation = (int) $styleAttributes->Rotation;
<         if ($rotation >= 270 && $rotation <= 360) {
<             $rotation -= 360;
<         }
<         $rotation = (abs($rotation) > 90) ? 0 : $rotation;



>         $value = new RichText();
>         $value->createText($is);




<         return $rotation;



>         return $value;


    }


<     private static function addStyle(array &$styleArray, string $key, string $value): void
<     {
<         if (array_key_exists($value, self::$mappings[$key])) {
<             $styleArray[$key] = self::$mappings[$key][$value];
<         }
<     }



>     private function loadCell(
>         SimpleXMLElement $cell,
>         string $worksheetName,
>         SimpleXMLElement $cellAttributes,
>         string $column,
>         int $row
>     ): void {
>         $ValueType = $cellAttributes->ValueType;
>         $ExprID = (string) $cellAttributes->ExprID;
>         $type = DataType::TYPE_FORMULA;
>         if ($ExprID > '') {
>             if (((string) $cell) > '') {
>                 $this->expressions[$ExprID] = [
>                     'column' => $cellAttributes->Col,
>                     'row' => $cellAttributes->Row,
>                     'formula' => (string) $cell,
>                 ];
>             } else {
>                 $expression = $this->expressions[$ExprID];




<     private static function addStyle2(array &$styleArray, string $key1, string $key, string $value): void
<     {
<         if (array_key_exists($value, self::$mappings[$key])) {
<             $styleArray[$key1][$key] = self::$mappings[$key][$value];
<         }



>                 $cell = $this->referenceHelper->updateFormulaReferences(
>                     $expression['formula'],
>                     'A1',
>                     $cellAttributes->Col - $expression['column'],
>                     $cellAttributes->Row - $expression['row'],
>                     $worksheetName
>                 );


    }

< 
<     private static function parseBorderAttributes($borderAttributes)
<     {
<         $styleArray = [];
<         if (isset($borderAttributes['Color'])) {
<             $styleArray['color']['rgb'] = self::parseGnumericColour($borderAttributes['Color']);



>             $type = DataType::TYPE_FORMULA;
>         } else {
>             $vtype = (string) $ValueType;
>             if (array_key_exists($vtype, self::$mappings['dataType'])) {
>                 $type = self::$mappings['dataType'][$vtype];


        }

< 
<         self::addStyle($styleArray, 'borderStyle', $borderAttributes['Style']);
< 
<         return $styleArray;



>             if ($vtype === '20') {        //    Boolean
>                 $cell = $cell == 'TRUE';


    }

< 
<     private function parseRichText($is)
<     {
<         $value = new RichText();
<         $value->createText($is);
< 
<         return $value;


    }


<     private static function parseGnumericColour($gnmColour)
<     {
<         [$gnmR, $gnmG, $gnmB] = explode(':', $gnmColour);
<         $gnmR = substr(str_pad($gnmR, 4, '0', STR_PAD_RIGHT), 0, 2);
<         $gnmG = substr(str_pad($gnmG, 4, '0', STR_PAD_RIGHT), 0, 2);
<         $gnmB = substr(str_pad($gnmB, 4, '0', STR_PAD_RIGHT), 0, 2);
< 
<         return $gnmR . $gnmG . $gnmB;
<     }
< 
<     private function addColors(array &$styleArray, SimpleXMLElement $styleAttributes): void
<     {
<         $RGB = self::parseGnumericColour($styleAttributes['Fore']);
<         $styleArray['font']['color']['rgb'] = $RGB;
<         $RGB = self::parseGnumericColour($styleAttributes['Back']);
<         $shade = (string) $styleAttributes['Shade'];
<         if (($RGB != '000000') || ($shade != '0')) {
<             $RGB2 = self::parseGnumericColour($styleAttributes['PatternColor']);
<             if ($shade == '1') {
<                 $styleArray['fill']['startColor']['rgb'] = $RGB;
<                 $styleArray['fill']['endColor']['rgb'] = $RGB2;
<             } else {
<                 $styleArray['fill']['endColor']['rgb'] = $RGB;
<                 $styleArray['fill']['startColor']['rgb'] = $RGB2;
<             }
<             self::addStyle2($styleArray, 'fill', 'fillType', $shade);



>         $this->spreadsheet->getActiveSheet()->getCell($column . $row)->setValueExplicit((string) $cell, $type);
>         if (isset($cellAttributes->ValueFormat)) {
>             $this->spreadsheet->getActiveSheet()->getCell($column . $row)
>                 ->getStyle()->getNumberFormat()
>                 ->setFormatCode((string) $cellAttributes->ValueFormat);


        }
    }
}