<?php

namespace PhpOffice\PhpSpreadsheet\Reader;


> use PhpOffice\PhpSpreadsheet\Cell\AddressHelper;


use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\Cell\DataType;

> use PhpOffice\PhpSpreadsheet\DefinedName;


use PhpOffice\PhpSpreadsheet\Document\Properties;
use PhpOffice\PhpSpreadsheet\Reader\Security\XmlScanner;

> use PhpOffice\PhpSpreadsheet\Reader\Xml\PageSettings;


use PhpOffice\PhpSpreadsheet\RichText\RichText;
use PhpOffice\PhpSpreadsheet\Settings;
use PhpOffice\PhpSpreadsheet\Shared\Date;
use PhpOffice\PhpSpreadsheet\Shared\File;
use PhpOffice\PhpSpreadsheet\Shared\StringHelper;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Style\Alignment;
use PhpOffice\PhpSpreadsheet\Style\Border;

> use PhpOffice\PhpSpreadsheet\Style\Borders;
use PhpOffice\PhpSpreadsheet\Style\Font;
> use PhpOffice\PhpSpreadsheet\Style\Fill;


use SimpleXMLElement;

/**
 * Reader for SpreadsheetML, the XML schema for Microsoft Office Excel 2003.
 */
class Xml extends BaseReader
{
    /**
     * Formats.
     *
     * @var array
     */
    protected $styles = [];

    /**

<      * Character set used in the file.
<      *
<      * @var string
<      */
<     protected $charSet = 'UTF-8';
< 
<     /**


     * Create a new Excel2003XML Reader instance.
     */
    public function __construct()
    {
        parent::__construct();
        $this->securityScanner = XmlScanner::getInstance($this);
    }


>     private $fileContents = '';
    /**
> 
     * Can the current IReader read the file?
>     private static $mappings = [
     *
>         'borderStyle' => [
     * @param string $pFilename
>             '1continuous' => Border::BORDER_THIN,
     *
>             '1dash' => Border::BORDER_DASHED,
     * @throws Exception
>             '1dashdot' => Border::BORDER_DASHDOT,
     *
>             '1dashdotdot' => Border::BORDER_DASHDOTDOT,
     * @return bool
>             '1dot' => Border::BORDER_DOTTED,
     */
>             '1double' => Border::BORDER_DOUBLE,
    public function canRead($pFilename)
>             '2continuous' => Border::BORDER_MEDIUM,
    {
>             '2dash' => Border::BORDER_MEDIUMDASHED,
        //    Office                    xmlns:o="urn:schemas-microsoft-com:office:office"
>             '2dashdot' => Border::BORDER_MEDIUMDASHDOT,
        //    Excel                    xmlns:x="urn:schemas-microsoft-com:office:excel"
>             '2dashdotdot' => Border::BORDER_MEDIUMDASHDOTDOT,
        //    XML Spreadsheet            xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet"
>             '2dot' => Border::BORDER_DOTTED,
        //    Spreadsheet component    xmlns:c="urn:schemas-microsoft-com:office:component:spreadsheet"
>             '2double' => Border::BORDER_DOUBLE,
        //    XML schema                 xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882"
>             '3continuous' => Border::BORDER_THICK,
        //    XML data type            xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882"
>             '3dash' => Border::BORDER_MEDIUMDASHED,
        //    MS-persist recordset    xmlns:rs="urn:schemas-microsoft-com:rowset"
>             '3dashdot' => Border::BORDER_MEDIUMDASHDOT,
        //    Rowset                    xmlns:z="#RowsetSchema"
>             '3dashdotdot' => Border::BORDER_MEDIUMDASHDOTDOT,
        //
>             '3dot' => Border::BORDER_DOTTED,

>             '3double' => Border::BORDER_DOUBLE,
        $signature = [
>         ],
            '<?xml version="1.0"',
>         'fillType' => [
            '<?mso-application progid="Excel.Sheet"?>',
>             'solid' => Fill::FILL_SOLID,
        ];
>             'gray75' => Fill::FILL_PATTERN_DARKGRAY,

>             'gray50' => Fill::FILL_PATTERN_MEDIUMGRAY,
        // Open file
>             'gray25' => Fill::FILL_PATTERN_LIGHTGRAY,
        $this->openFile($pFilename);
>             'gray125' => Fill::FILL_PATTERN_GRAY125,
        $fileHandle = $this->fileHandle;
>             'gray0625' => Fill::FILL_PATTERN_GRAY0625,

>             'horzstripe' => Fill::FILL_PATTERN_DARKHORIZONTAL, // horizontal stripe
        // Read sample data (first 2 KB will do)
>             'vertstripe' => Fill::FILL_PATTERN_DARKVERTICAL, // vertical stripe
        $data = fread($fileHandle, 2048);
>             'reversediagstripe' => Fill::FILL_PATTERN_DARKUP, // reverse diagonal stripe
        fclose($fileHandle);
>             'diagstripe' => Fill::FILL_PATTERN_DARKDOWN, // diagonal stripe
        $data = str_replace("'", '"', $data); // fix headers with single quote
>             'diagcross' => Fill::FILL_PATTERN_DARKGRID, // diagoanl crosshatch

>             'thickdiagcross' => Fill::FILL_PATTERN_DARKTRELLIS, // thick diagonal crosshatch
        $valid = true;
>             'thinhorzstripe' => Fill::FILL_PATTERN_LIGHTHORIZONTAL,
        foreach ($signature as $match) {
>             'thinvertstripe' => Fill::FILL_PATTERN_LIGHTVERTICAL,
            // every part of the signature must be present
>             'thinreversediagstripe' => Fill::FILL_PATTERN_LIGHTUP,
            if (strpos($data, $match) === false) {
>             'thindiagstripe' => Fill::FILL_PATTERN_LIGHTDOWN,
                $valid = false;
>             'thinhorzcross' => Fill::FILL_PATTERN_LIGHTGRID, // thin horizontal crosshatch

>             'thindiagcross' => Fill::FILL_PATTERN_LIGHTTRELLIS, // thin diagonal crosshatch
                break;
>         ],
            }
>     ];
        }
> 

>     public static function xmlMappings(): array
        //    Retrieve charset encoding
>     {
        if (preg_match('/<?xml.*encoding=[\'"](.*?)[\'"].*?>/um', $data, $matches)) {
>         return self::$mappings;
            $this->charSet = strtoupper($matches[1]);
>     }
        }
> 



<      * @throws Exception
<      *



<         $this->openFile($pFilename);
<         $fileHandle = $this->fileHandle;



>         $data = file_get_contents($pFilename);



<         // Read sample data (first 2 KB will do)
<         $data = fread($fileHandle, 2048);
<         fclose($fileHandle);
<         $data = str_replace("'", '"', $data); // fix headers with single quote



>         // Why?
>         //$data = str_replace("'", '"', $data); // fix headers with single quote



<         if (preg_match('/<?xml.*encoding=[\'"](.*?)[\'"].*?>/um', $data, $matches)) {
<             $this->charSet = strtoupper($matches[1]);



>         if (preg_match('/<?xml.*encoding=[\'"](.*?)[\'"].*?>/m', $data, $matches)) {
>             $charSet = strtoupper($matches[1]);
>             if (1 == preg_match('/^ISO-8859-\d[\dL]?$/i', $charSet)) {
>                 $data = StringHelper::convertEncoding($data, 'UTF-8', $charSet);
>                 $data = preg_replace('/(<?xml.*encoding=[\'"]).*?([\'"].*?>)/um', '$1' . 'UTF-8' . '$2', $data, 1);
>             }


     *

>         $this->fileContents = $data;



<      * @throws Exception
<      *
<      * @return false|\SimpleXMLElement



>      * @return false|SimpleXMLElement


    {
        try {
            $xml = simplexml_load_string(

<                 $this->securityScanner->scan(file_get_contents($pFilename)),



>                 $this->securityScanner->scan($this->fileContents ?: file_get_contents($pFilename)),


                'SimpleXMLElement',
                Settings::getLibXmlLoaderOptions()
            );
        } catch (\Exception $e) {
            throw new Exception('Cannot load invalid XML file: ' . $pFilename, 0, $e);
        }

>         $this->fileContents = '';



        return $xml;
    }

    /**
     * Reads names of the worksheets from a file, without parsing the whole file to a Spreadsheet object.
     *
     * @param string $pFilename
     *

<      * @throws Exception
<      *


     * @return array
     */
    public function listWorksheetNames($pFilename)
    {
        File::assertFile($pFilename);
        if (!$this->canRead($pFilename)) {
            throw new Exception($pFilename . ' is an Invalid Spreadsheet file.');
        }

        $worksheetNames = [];

        $xml = $this->trySimpleXMLLoadString($pFilename);

        $namespaces = $xml->getNamespaces(true);

        $xml_ss = $xml->children($namespaces['ss']);
        foreach ($xml_ss->Worksheet as $worksheet) {
            $worksheet_ss = $worksheet->attributes($namespaces['ss']);

<             $worksheetNames[] = self::convertStringEncoding((string) $worksheet_ss['Name'], $this->charSet);



>             $worksheetNames[] = (string) $worksheet_ss['Name'];


        }

        return $worksheetNames;
    }

    /**
     * Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns).
     *
     * @param string $pFilename
     *

<      * @throws Exception
<      *


     * @return array
     */
    public function listWorksheetInfo($pFilename)
    {
        File::assertFile($pFilename);

>         if (!$this->canRead($pFilename)) {

>             throw new Exception($pFilename . ' is an Invalid Spreadsheet file.');
        $worksheetInfo = [];
>         }



        $xml = $this->trySimpleXMLLoadString($pFilename);

        $namespaces = $xml->getNamespaces(true);

        $worksheetID = 1;
        $xml_ss = $xml->children($namespaces['ss']);
        foreach ($xml_ss->Worksheet as $worksheet) {
            $worksheet_ss = $worksheet->attributes($namespaces['ss']);

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


>             $tmpInfo['worksheetName'] = "Worksheet_{$worksheetID}";


            if (isset($worksheet_ss['Name'])) {
                $tmpInfo['worksheetName'] = (string) $worksheet_ss['Name'];

<             } else {
<                 $tmpInfo['worksheetName'] = "Worksheet_{$worksheetID}";


            }

            if (isset($worksheet->Table->Row)) {
                $rowIndex = 0;

                foreach ($worksheet->Table->Row as $rowData) {
                    $columnIndex = 0;
                    $rowHasData = false;

                    foreach ($rowData->Cell as $cell) {
                        if (isset($cell->Data)) {
                            $tmpInfo['lastColumnIndex'] = max($tmpInfo['lastColumnIndex'], $columnIndex);
                            $rowHasData = true;
                        }

                        ++$columnIndex;
                    }

                    ++$rowIndex;

                    if ($rowHasData) {
                        $tmpInfo['totalRows'] = max($tmpInfo['totalRows'], $rowIndex);
                    }
                }
            }

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

            $worksheetInfo[] = $tmpInfo;
            ++$worksheetID;
        }

        return $worksheetInfo;
    }

    /**
     * Loads Spreadsheet from file.
     *
     * @param string $pFilename
     *

<      * @throws Exception
<      *


     * @return Spreadsheet
     */
    public function load($pFilename)
    {
        // Create new Spreadsheet
        $spreadsheet = new Spreadsheet();
        $spreadsheet->removeSheetByIndex(0);

        // Load into this instance
        return $this->loadIntoExisting($pFilename, $spreadsheet);
    }

    private static function identifyFixedStyleValue($styleList, &$styleAttributeValue)
    {

>         $returnValue = false;


        $styleAttributeValue = strtolower($styleAttributeValue);
        foreach ($styleList as $style) {
            if ($styleAttributeValue == strtolower($style)) {
                $styleAttributeValue = $style;

>                 $returnValue = true;




<                 return true;
<             }
<         }
< 
<         return false;



>                 break;


    }

< 
<     /**
<      * pixel units to excel width units(units of 1/256th of a character width).
<      *
<      * @param float $pxs
<      *
<      * @return float
<      */
<     protected static function pixel2WidthUnits($pxs)
<     {
<         $UNIT_OFFSET_MAP = [0, 36, 73, 109, 146, 182, 219];
< 
<         $widthUnits = 256 * ($pxs / 7);
<         $widthUnits += $UNIT_OFFSET_MAP[($pxs % 7)];
< 
<         return $widthUnits;


    }


<     /**
<      * excel width units(units of 1/256th of a character width) to pixel units.
<      *
<      * @param float $widthUnits
<      *
<      * @return float
<      */
<     protected static function widthUnits2Pixel($widthUnits)
<     {
<         $pixels = ($widthUnits / 256) * 7;
<         $offsetWidthUnits = $widthUnits % 256;
< 
<         return $pixels + round($offsetWidthUnits / (256 / 7));



>         return $returnValue;


    }

    protected static function hex2str($hex)
    {

<         return chr(hexdec($hex[1]));



>         return mb_chr((int) hexdec($hex[1]), 'UTF-8');


    }

    /**
     * Loads from file into Spreadsheet instance.
     *
     * @param string $pFilename

<      * @param Spreadsheet $spreadsheet
<      *
<      * @throws Exception


     *
     * @return Spreadsheet
     */
    public function loadIntoExisting($pFilename, Spreadsheet $spreadsheet)
    {
        File::assertFile($pFilename);
        if (!$this->canRead($pFilename)) {
            throw new Exception($pFilename . ' is an Invalid Spreadsheet file.');
        }

        $xml = $this->trySimpleXMLLoadString($pFilename);

        $namespaces = $xml->getNamespaces(true);

        $docProps = $spreadsheet->getProperties();
        if (isset($xml->DocumentProperties[0])) {
            foreach ($xml->DocumentProperties[0] as $propertyName => $propertyValue) {

>                 $stringValue = (string) $propertyValue;


                switch ($propertyName) {
                    case 'Title':

<                         $docProps->setTitle(self::convertStringEncoding($propertyValue, $this->charSet));



>                         $docProps->setTitle($stringValue);



                        break;
                    case 'Subject':

<                         $docProps->setSubject(self::convertStringEncoding($propertyValue, $this->charSet));



>                         $docProps->setSubject($stringValue);



                        break;
                    case 'Author':

<                         $docProps->setCreator(self::convertStringEncoding($propertyValue, $this->charSet));



>                         $docProps->setCreator($stringValue);



                        break;
                    case 'Created':

<                         $creationDate = strtotime($propertyValue);



>                         $creationDate = strtotime($stringValue);


                        $docProps->setCreated($creationDate);

                        break;
                    case 'LastAuthor':

<                         $docProps->setLastModifiedBy(self::convertStringEncoding($propertyValue, $this->charSet));



>                         $docProps->setLastModifiedBy($stringValue);



                        break;
                    case 'LastSaved':

<                         $lastSaveDate = strtotime($propertyValue);



>                         $lastSaveDate = strtotime($stringValue);


                        $docProps->setModified($lastSaveDate);

                        break;
                    case 'Company':

<                         $docProps->setCompany(self::convertStringEncoding($propertyValue, $this->charSet));



>                         $docProps->setCompany($stringValue);



                        break;
                    case 'Category':

<                         $docProps->setCategory(self::convertStringEncoding($propertyValue, $this->charSet));



>                         $docProps->setCategory($stringValue);



                        break;
                    case 'Manager':

<                         $docProps->setManager(self::convertStringEncoding($propertyValue, $this->charSet));



>                         $docProps->setManager($stringValue);



                        break;
                    case 'Keywords':

<                         $docProps->setKeywords(self::convertStringEncoding($propertyValue, $this->charSet));



>                         $docProps->setKeywords($stringValue);



                        break;
                    case 'Description':

<                         $docProps->setDescription(self::convertStringEncoding($propertyValue, $this->charSet));



>                         $docProps->setDescription($stringValue);



                        break;
                }
            }
        }
        if (isset($xml->CustomDocumentProperties)) {
            foreach ($xml->CustomDocumentProperties[0] as $propertyName => $propertyValue) {
                $propertyAttributes = $propertyValue->attributes($namespaces['dt']);

<                 $propertyName = preg_replace_callback('/_x([0-9a-z]{4})_/', ['self', 'hex2str'], $propertyName);



>                 $propertyName = preg_replace_callback('/_x([0-9a-f]{4})_/i', ['self', 'hex2str'], $propertyName);


                $propertyType = Properties::PROPERTY_TYPE_UNKNOWN;
                switch ((string) $propertyAttributes) {
                    case 'string':
                        $propertyType = Properties::PROPERTY_TYPE_STRING;
                        $propertyValue = trim($propertyValue);

                        break;
                    case 'boolean':
                        $propertyType = Properties::PROPERTY_TYPE_BOOLEAN;
                        $propertyValue = (bool) $propertyValue;

                        break;
                    case 'integer':
                        $propertyType = Properties::PROPERTY_TYPE_INTEGER;
                        $propertyValue = (int) $propertyValue;

                        break;
                    case 'float':
                        $propertyType = Properties::PROPERTY_TYPE_FLOAT;
                        $propertyValue = (float) $propertyValue;

                        break;
                    case 'dateTime.tz':
                        $propertyType = Properties::PROPERTY_TYPE_DATE;
                        $propertyValue = strtotime(trim($propertyValue));

                        break;
                }
                $docProps->setCustomProperty($propertyName, $propertyValue, $propertyType);
            }
        }

        $this->parseStyles($xml, $namespaces);

        $worksheetID = 0;
        $xml_ss = $xml->children($namespaces['ss']);

        foreach ($xml_ss->Worksheet as $worksheet) {
            $worksheet_ss = $worksheet->attributes($namespaces['ss']);


<             if ((isset($this->loadSheetsOnly)) && (isset($worksheet_ss['Name'])) &&
<                 (!in_array($worksheet_ss['Name'], $this->loadSheetsOnly))) {



>             if (
>                 (isset($this->loadSheetsOnly)) && (isset($worksheet_ss['Name'])) &&
>                 (!in_array($worksheet_ss['Name'], $this->loadSheetsOnly))
>             ) {


                continue;
            }

            // Create new Worksheet
            $spreadsheet->createSheet();
            $spreadsheet->setActiveSheetIndex($worksheetID);
            if (isset($worksheet_ss['Name'])) {

<                 $worksheetName = self::convertStringEncoding((string) $worksheet_ss['Name'], $this->charSet);



>                 $worksheetName = (string) $worksheet_ss['Name'];


                //    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
                $spreadsheet->getActiveSheet()->setTitle($worksheetName, false, false);
            }


>             // locally scoped defined names
            $columnID = 'A';
>             if (isset($worksheet->Names[0])) {
            if (isset($worksheet->Table->Column)) {
>                 foreach ($worksheet->Names[0] as $definedName) {
                foreach ($worksheet->Table->Column as $columnData) {
>                     $definedName_ss = $definedName->attributes($namespaces['ss']);
                    $columnData_ss = $columnData->attributes($namespaces['ss']);
>                     $name = (string) $definedName_ss['Name'];
                    if (isset($columnData_ss['Index'])) {
>                     $definedValue = (string) $definedName_ss['RefersTo'];
                        $columnID = Coordinate::stringFromColumnIndex((int) $columnData_ss['Index']);
>                     $convertedValue = AddressHelper::convertFormulaToA1($definedValue);
                    }
>                     if ($convertedValue[0] === '=') {
                    if (isset($columnData_ss['Width'])) {
>                         $convertedValue = substr($convertedValue, 1);
                        $columnWidth = $columnData_ss['Width'];
>                     }
                        $spreadsheet->getActiveSheet()->getColumnDimension($columnID)->setWidth($columnWidth / 5.4);
>                     $spreadsheet->addDefinedName(DefinedName::createInstance($name, $spreadsheet->getActiveSheet(), $convertedValue, true));
                    }
>                 }
                    ++$columnID;
>             }
                }
> 


            }

            $rowID = 1;
            if (isset($worksheet->Table->Row)) {
                $additionalMergedCells = 0;
                foreach ($worksheet->Table->Row as $rowData) {
                    $rowHasData = false;
                    $row_ss = $rowData->attributes($namespaces['ss']);
                    if (isset($row_ss['Index'])) {
                        $rowID = (int) $row_ss['Index'];
                    }

                    $columnID = 'A';
                    foreach ($rowData->Cell as $cell) {
                        $cell_ss = $cell->attributes($namespaces['ss']);
                        if (isset($cell_ss['Index'])) {
                            $columnID = Coordinate::stringFromColumnIndex((int) $cell_ss['Index']);
                        }
                        $cellRange = $columnID . $rowID;

                        if ($this->getReadFilter() !== null) {
                            if (!$this->getReadFilter()->readCell($columnID, $rowID, $worksheetName)) {
                                ++$columnID;

                                continue;
                            }
                        }

                        if (isset($cell_ss['HRef'])) {

<                             $spreadsheet->getActiveSheet()->getCell($cellRange)->getHyperlink()->setUrl($cell_ss['HRef']);



>                             $spreadsheet->getActiveSheet()->getCell($cellRange)->getHyperlink()->setUrl((string) $cell_ss['HRef']);


                        }

                        if ((isset($cell_ss['MergeAcross'])) || (isset($cell_ss['MergeDown']))) {
                            $columnTo = $columnID;
                            if (isset($cell_ss['MergeAcross'])) {
                                $additionalMergedCells += (int) $cell_ss['MergeAcross'];
                                $columnTo = Coordinate::stringFromColumnIndex(Coordinate::columnIndexFromString($columnID) + $cell_ss['MergeAcross']);
                            }
                            $rowTo = $rowID;
                            if (isset($cell_ss['MergeDown'])) {
                                $rowTo = $rowTo + $cell_ss['MergeDown'];
                            }
                            $cellRange .= ':' . $columnTo . $rowTo;
                            $spreadsheet->getActiveSheet()->mergeCells($cellRange);
                        }


<                         $cellIsSet = $hasCalculatedValue = false;



>                         $hasCalculatedValue = false;


                        $cellDataFormula = '';
                        if (isset($cell_ss['Formula'])) {
                            $cellDataFormula = $cell_ss['Formula'];
                            $hasCalculatedValue = true;
                        }
                        if (isset($cell->Data)) {

<                             $cellValue = $cellData = $cell->Data;



>                             $cellData = $cell->Data;
>                             $cellValue = (string) $cellData;


                            $type = DataType::TYPE_NULL;
                            $cellData_ss = $cellData->attributes($namespaces['ss']);
                            if (isset($cellData_ss['Type'])) {
                                $cellDataType = $cellData_ss['Type'];
                                switch ($cellDataType) {
                                    /*
                                    const TYPE_STRING        = 's';
                                    const TYPE_FORMULA        = 'f';
                                    const TYPE_NUMERIC        = 'n';
                                    const TYPE_BOOL            = 'b';
                                    const TYPE_NULL            = 'null';
                                    const TYPE_INLINE        = 'inlineStr';
                                    const TYPE_ERROR        = 'e';
                                    */
                                    case 'String':

<                                         $cellValue = self::convertStringEncoding($cellValue, $this->charSet);


                                        $type = DataType::TYPE_STRING;

                                        break;
                                    case 'Number':
                                        $type = DataType::TYPE_NUMERIC;
                                        $cellValue = (float) $cellValue;
                                        if (floor($cellValue) == $cellValue) {
                                            $cellValue = (int) $cellValue;
                                        }

                                        break;
                                    case 'Boolean':
                                        $type = DataType::TYPE_BOOL;
                                        $cellValue = ($cellValue != 0);

                                        break;
                                    case 'DateTime':
                                        $type = DataType::TYPE_NUMERIC;

<                                         $cellValue = Date::PHPToExcel(strtotime($cellValue));



>                                         $cellValue = Date::PHPToExcel(strtotime($cellValue . ' UTC'));



                                        break;
                                    case 'Error':
                                        $type = DataType::TYPE_ERROR;

>                                         $hasCalculatedValue = false;



                                        break;
                                }
                            }

                            if ($hasCalculatedValue) {
                                $type = DataType::TYPE_FORMULA;
                                $columnNumber = Coordinate::columnIndexFromString($columnID);

<                                 if (substr($cellDataFormula, 0, 3) == 'of:') {
<                                     $cellDataFormula = substr($cellDataFormula, 3);
<                                     $temp = explode('"', $cellDataFormula);
<                                     $key = false;
<                                     foreach ($temp as &$value) {
<                                         //    Only replace in alternate array entries (i.e. non-quoted blocks)
<                                         if ($key = !$key) {
<                                             $value = str_replace(['[.', '.', ']'], '', $value);
<                                         }
<                                     }
<                                 } else {
<                                     //    Convert R1C1 style references to A1 style references (but only when not quoted)
<                                     $temp = explode('"', $cellDataFormula);
<                                     $key = false;
<                                     foreach ($temp as &$value) {
<                                         //    Only replace in alternate array entries (i.e. non-quoted blocks)
<                                         if ($key = !$key) {
<                                             preg_match_all('/(R(\[?-?\d*\]?))(C(\[?-?\d*\]?))/', $value, $cellReferences, PREG_SET_ORDER + PREG_OFFSET_CAPTURE);
<                                             //    Reverse the matches array, otherwise all our offsets will become incorrect if we modify our way
<                                             //        through the formula from left to right. Reversing means that we work right to left.through
<                                             //        the formula
<                                             $cellReferences = array_reverse($cellReferences);
<                                             //    Loop through each R1C1 style reference in turn, converting it to its A1 style equivalent,
<                                             //        then modify the formula to use that new reference
<                                             foreach ($cellReferences as $cellReference) {
<                                                 $rowReference = $cellReference[2][0];
<                                                 //    Empty R reference is the current row
<                                                 if ($rowReference == '') {
<                                                     $rowReference = $rowID;
<                                                 }
<                                                 //    Bracketed R references are relative to the current row
<                                                 if ($rowReference[0] == '[') {
<                                                     $rowReference = $rowID + trim($rowReference, '[]');
<                                                 }
<                                                 $columnReference = $cellReference[4][0];
<                                                 //    Empty C reference is the current column
<                                                 if ($columnReference == '') {
<                                                     $columnReference = $columnNumber;
<                                                 }
<                                                 //    Bracketed C references are relative to the current column
<                                                 if ($columnReference[0] == '[') {
<                                                     $columnReference = $columnNumber + trim($columnReference, '[]');
<                                                 }
<                                                 $A1CellReference = Coordinate::stringFromColumnIndex($columnReference) . $rowReference;
<                                                 $value = substr_replace($value, $A1CellReference, $cellReference[0][1], strlen($cellReference[0][0]));
<                                             }
<                                         }
<                                     }
<                                 }
<                                 unset($value);
<                                 //    Then rebuild the formula string
<                                 $cellDataFormula = implode('"', $temp);



>                                 $cellDataFormula = AddressHelper::convertFormulaToA1($cellDataFormula, $rowID, $columnNumber);


                            }

                            $spreadsheet->getActiveSheet()->getCell($columnID . $rowID)->setValueExplicit((($hasCalculatedValue) ? $cellDataFormula : $cellValue), $type);
                            if ($hasCalculatedValue) {
                                $spreadsheet->getActiveSheet()->getCell($columnID . $rowID)->setCalculatedValue($cellValue);
                            }

<                             $cellIsSet = $rowHasData = true;



>                             $rowHasData = true;


                        }

                        if (isset($cell->Comment)) {
                            $commentAttributes = $cell->Comment->attributes($namespaces['ss']);
                            $author = 'unknown';
                            if (isset($commentAttributes->Author)) {
                                $author = (string) $commentAttributes->Author;
                            }
                            $node = $cell->Comment->Data->asXML();
                            $annotation = strip_tags($node);

<                             $spreadsheet->getActiveSheet()->getComment($columnID . $rowID)->setAuthor(self::convertStringEncoding($author, $this->charSet))->setText($this->parseRichText($annotation));



>                             $spreadsheet->getActiveSheet()->getComment($columnID . $rowID)->setAuthor($author)->setText($this->parseRichText($annotation));


                        }


<                         if (($cellIsSet) && (isset($cell_ss['StyleID']))) {



>                         if (isset($cell_ss['StyleID'])) {


                            $style = (string) $cell_ss['StyleID'];
                            if ((isset($this->styles[$style])) && (!empty($this->styles[$style]))) {

<                                 if (!$spreadsheet->getActiveSheet()->cellExists($columnID . $rowID)) {
<                                     $spreadsheet->getActiveSheet()->getCell($columnID . $rowID)->setValue(null);
<                                 }



>                                 //if (!$spreadsheet->getActiveSheet()->cellExists($columnID . $rowID)) {
>                                 //    $spreadsheet->getActiveSheet()->getCell($columnID . $rowID)->setValue(null);
>                                 //}


                                $spreadsheet->getActiveSheet()->getStyle($cellRange)->applyFromArray($this->styles[$style]);
                            }
                        }
                        ++$columnID;
                        while ($additionalMergedCells > 0) {
                            ++$columnID;
                            --$additionalMergedCells;
                        }
                    }

                    if ($rowHasData) {
                        if (isset($row_ss['Height'])) {
                            $rowHeight = $row_ss['Height'];
                            $spreadsheet->getActiveSheet()->getRowDimension($rowID)->setRowHeight($rowHeight);
                        }
                    }

                    ++$rowID;
                }

> 
            }
>                 if (isset($namespaces['x'])) {
            ++$worksheetID;
>                     $xmlX = $worksheet->children($namespaces['x']);
        }
>                     if (isset($xmlX->WorksheetOptions)) {

>                         (new PageSettings($xmlX, $namespaces))->loadPageSettings($spreadsheet);
        // Return
>                     }
        return $spreadsheet;
>                 }



<         // Return
<         return $spreadsheet;



>         // Globally scoped defined names
>         $activeWorksheet = $spreadsheet->setActiveSheetIndex(0);
>         if (isset($xml->Names[0])) {
>             foreach ($xml->Names[0] as $definedName) {
>                 $definedName_ss = $definedName->attributes($namespaces['ss']);
>                 $name = (string) $definedName_ss['Name'];
>                 $definedValue = (string) $definedName_ss['RefersTo'];
>                 $convertedValue = AddressHelper::convertFormulaToA1($definedValue);
>                 if ($convertedValue[0] === '=') {
>                     $convertedValue = substr($convertedValue, 1);
>                 }
>                 $spreadsheet->addDefinedName(DefinedName::createInstance($name, $activeWorksheet, $convertedValue));



< 
<     protected static function convertStringEncoding($string, $charset)
<     {
<         if ($charset != 'UTF-8') {
<             return StringHelper::convertEncoding($string, 'UTF-8', $charset);




<         return $string;



>         // Return
>         return $spreadsheet;


    }

    protected function parseRichText($is)
    {
        $value = new RichText();


<         $value->createText(self::convertStringEncoding($is, $this->charSet));



>         $value->createText($is);



        return $value;
    }


<     /**
<      * @param SimpleXMLElement $xml
<      * @param array $namespaces
<      */
<     private function parseStyles(SimpleXMLElement $xml, array $namespaces)



>     private function parseStyles(SimpleXMLElement $xml, array $namespaces): void


    {
        if (!isset($xml->Styles)) {
            return;
        }

        foreach ($xml->Styles[0] as $style) {
            $style_ss = $style->attributes($namespaces['ss']);
            $styleID = (string) $style_ss['ID'];
            $this->styles[$styleID] = (isset($this->styles['Default'])) ? $this->styles['Default'] : [];
            foreach ($style as $styleType => $styleData) {
                $styleAttributes = $styleData->attributes($namespaces['ss']);
                switch ($styleType) {
                    case 'Alignment':
                        $this->parseStyleAlignment($styleID, $styleAttributes);

                        break;
                    case 'Borders':
                        $this->parseStyleBorders($styleID, $styleData, $namespaces);

                        break;
                    case 'Font':
                        $this->parseStyleFont($styleID, $styleAttributes);

                        break;
                    case 'Interior':
                        $this->parseStyleInterior($styleID, $styleAttributes);

                        break;
                    case 'NumberFormat':
                        $this->parseStyleNumberFormat($styleID, $styleAttributes);

                        break;
                }
            }
        }
    }

    /**
     * @param string $styleID

<      * @param SimpleXMLElement $styleAttributes


     */

<     private function parseStyleAlignment($styleID, SimpleXMLElement $styleAttributes)



>     private function parseStyleAlignment($styleID, SimpleXMLElement $styleAttributes): void


    {
        $verticalAlignmentStyles = [
            Alignment::VERTICAL_BOTTOM,
            Alignment::VERTICAL_TOP,
            Alignment::VERTICAL_CENTER,
            Alignment::VERTICAL_JUSTIFY,
        ];
        $horizontalAlignmentStyles = [
            Alignment::HORIZONTAL_GENERAL,
            Alignment::HORIZONTAL_LEFT,
            Alignment::HORIZONTAL_RIGHT,
            Alignment::HORIZONTAL_CENTER,
            Alignment::HORIZONTAL_CENTER_CONTINUOUS,
            Alignment::HORIZONTAL_JUSTIFY,
        ];

        foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
            $styleAttributeValue = (string) $styleAttributeValue;
            switch ($styleAttributeKey) {
                case 'Vertical':
                    if (self::identifyFixedStyleValue($verticalAlignmentStyles, $styleAttributeValue)) {
                        $this->styles[$styleID]['alignment']['vertical'] = $styleAttributeValue;
                    }

                    break;
                case 'Horizontal':
                    if (self::identifyFixedStyleValue($horizontalAlignmentStyles, $styleAttributeValue)) {
                        $this->styles[$styleID]['alignment']['horizontal'] = $styleAttributeValue;
                    }

                    break;
                case 'WrapText':
                    $this->styles[$styleID]['alignment']['wrapText'] = true;

                    break;

>                 case 'Rotate':
            }
>                     $this->styles[$styleID]['alignment']['textRotation'] = $styleAttributeValue;
        }
> 
    }
>                     break;




>     private static $borderPositions = ['top', 'left', 'bottom', 'right'];
    /**
> 


     * @param $styleID

<      * @param SimpleXMLElement $styleData
<      * @param array $namespaces


     */

<     private function parseStyleBorders($styleID, SimpleXMLElement $styleData, array $namespaces)



>     private function parseStyleBorders($styleID, SimpleXMLElement $styleData, array $namespaces): void


    {

>         $diagonalDirection = '';
        foreach ($styleData->Border as $borderStyle) {
>         $borderPosition = '';


            $borderAttributes = $borderStyle->attributes($namespaces['ss']);
            $thisBorder = [];

>             $style = (string) $borderAttributes->Weight;
            foreach ($borderAttributes as $borderStyleKey => $borderStyleValue) {
>             $style .= strtolower((string) $borderAttributes->LineStyle);
                switch ($borderStyleKey) {
>             $thisBorder['borderStyle'] = self::$mappings['borderStyle'][$style] ?? Border::BORDER_NONE;



<                     case 'LineStyle':
<                         $thisBorder['borderStyle'] = Border::BORDER_MEDIUM;
< 
<                         break;
<                     case 'Weight':
<                         break;


                    case 'Position':

<                         $borderPosition = strtolower($borderStyleValue);



>                         $borderStyleValue = strtolower((string) $borderStyleValue);
>                         if (in_array($borderStyleValue, self::$borderPositions)) {
>                             $borderPosition = $borderStyleValue;
>                         } elseif ($borderStyleValue == 'diagonalleft') {
>                             $diagonalDirection = $diagonalDirection ? Borders::DIAGONAL_BOTH : Borders::DIAGONAL_DOWN;
>                         } elseif ($borderStyleValue == 'diagonalright') {
>                             $diagonalDirection = $diagonalDirection ? Borders::DIAGONAL_BOTH : Borders::DIAGONAL_UP;
>                         }



                        break;
                    case 'Color':
                        $borderColour = substr($borderStyleValue, 1);
                        $thisBorder['color']['rgb'] = $borderColour;

                        break;
                }
            }

<             if (!empty($thisBorder)) {
<                 if (($borderPosition == 'left') || ($borderPosition == 'right') || ($borderPosition == 'top') || ($borderPosition == 'bottom')) {



>             if ($borderPosition) {


                    $this->styles[$styleID]['borders'][$borderPosition] = $thisBorder;

<                 }



>             } elseif ($diagonalDirection) {
>                 $this->styles[$styleID]['borders']['diagonalDirection'] = $diagonalDirection;
>                 $this->styles[$styleID]['borders']['diagonal'] = $thisBorder;


            }
        }
    }


<     /**
<      * @param $styleID
<      * @param SimpleXMLElement $styleAttributes
<      */
<     private function parseStyleFont($styleID, SimpleXMLElement $styleAttributes)
<     {
<         $underlineStyles = [



>     private static $underlineStyles = [


            Font::UNDERLINE_NONE,
            Font::UNDERLINE_DOUBLE,
            Font::UNDERLINE_DOUBLEACCOUNTING,
            Font::UNDERLINE_SINGLE,
            Font::UNDERLINE_SINGLEACCOUNTING,
        ];


>     private function parseStyleFontUnderline(string $styleID, string $styleAttributeValue): void
        foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
>     {
            $styleAttributeValue = (string) $styleAttributeValue;
>         if (self::identifyFixedStyleValue(self::$underlineStyles, $styleAttributeValue)) {
            switch ($styleAttributeKey) {
>             $this->styles[$styleID]['font']['underline'] = $styleAttributeValue;
                case 'FontName':
>         }
                    $this->styles[$styleID]['font']['name'] = $styleAttributeValue;
>     }

> 
                    break;
>     private function parseStyleFontVerticalAlign(string $styleID, string $styleAttributeValue): void
                case 'Size':
>     {
                    $this->styles[$styleID]['font']['size'] = $styleAttributeValue;
>         if ($styleAttributeValue == 'Superscript') {

>             $this->styles[$styleID]['font']['superscript'] = true;
                    break;
>         }
                case 'Color':
>         if ($styleAttributeValue == 'Subscript') {
                    $this->styles[$styleID]['font']['color']['rgb'] = substr($styleAttributeValue, 1);
>             $this->styles[$styleID]['font']['subscript'] = true;

>         }
                    break;
>     }
                case 'Bold':
> 
                    $this->styles[$styleID]['font']['bold'] = true;
>     /**

>      * @param $styleID
                    break;
>      */
                case 'Italic':
>     private function parseStyleFont(string $styleID, SimpleXMLElement $styleAttributes): void
                    $this->styles[$styleID]['font']['italic'] = true;
>     {



                    break;
                case 'Underline':

<                     if (self::identifyFixedStyleValue($underlineStyles, $styleAttributeValue)) {
<                         $this->styles[$styleID]['font']['underline'] = $styleAttributeValue;
<                     }



>                     $this->parseStyleFontUnderline($styleID, $styleAttributeValue);
> 
>                     break;
>                 case 'VerticalAlign':
>                     $this->parseStyleFontVerticalAlign($styleID, $styleAttributeValue);



                    break;
            }
        }
    }

    /**
     * @param $styleID

<      * @param SimpleXMLElement $styleAttributes


     */

<     private function parseStyleInterior($styleID, SimpleXMLElement $styleAttributes)



>     private function parseStyleInterior($styleID, SimpleXMLElement $styleAttributes): void


    {
        foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
            switch ($styleAttributeKey) {
                case 'Color':

<                     $this->styles[$styleID]['fill']['color']['rgb'] = substr($styleAttributeValue, 1);



>                     $this->styles[$styleID]['fill']['endColor']['rgb'] = substr($styleAttributeValue, 1);
>                     $this->styles[$styleID]['fill']['startColor']['rgb'] = substr($styleAttributeValue, 1);
> 
>                     break;
>                 case 'PatternColor':
>                     $this->styles[$styleID]['fill']['startColor']['rgb'] = substr($styleAttributeValue, 1);



                    break;
                case 'Pattern':

<                     $this->styles[$styleID]['fill']['fillType'] = strtolower($styleAttributeValue);



>                     $lcStyleAttributeValue = strtolower((string) $styleAttributeValue);
>                     $this->styles[$styleID]['fill']['fillType'] = self::$mappings['fillType'][$lcStyleAttributeValue] ?? Fill::FILL_NONE;



                    break;
            }
        }
    }

    /**
     * @param $styleID

<      * @param SimpleXMLElement $styleAttributes


     */

<     private function parseStyleNumberFormat($styleID, SimpleXMLElement $styleAttributes)



>     private function parseStyleNumberFormat($styleID, SimpleXMLElement $styleAttributes): void


    {
        $fromFormats = ['\-', '\ '];
        $toFormats = ['-', ' '];

        foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
            $styleAttributeValue = str_replace($fromFormats, $toFormats, $styleAttributeValue);
            switch ($styleAttributeValue) {
                case 'Short Date':
                    $styleAttributeValue = 'dd/mm/yyyy';

                    break;
            }

            if ($styleAttributeValue > '') {
                $this->styles[$styleID]['numberFormat']['formatCode'] = $styleAttributeValue;
            }
        }
    }
}