20525786658

Committed 26 Dec 2025 04:35PM UTC coverage: 96.105% (+0.003%) from 96.102%

Build # 20525786658

Build Type

Pull #4760

github

Committed by

web-flow

Commit Message

Merge dc4582b9e into 212fac60e

Pull Request Pull Request #4760: Set All Locale Variables at Once in a Threadsafe Manner

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1 existing line in 1 file now uncovered.

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99.83

/src/PhpSpreadsheet/Reader/Html.php

<?php

namespace PhpOffice\PhpSpreadsheet\Reader;

use DOMAttr;
use DOMDocument;
use DOMElement;
use DOMNode;
use DOMText;
use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\Cell\DataType;
use PhpOffice\PhpSpreadsheet\Comment;
use PhpOffice\PhpSpreadsheet\Document\Properties;
use PhpOffice\PhpSpreadsheet\Exception as SpreadsheetException;
use PhpOffice\PhpSpreadsheet\Helper\Dimension as CssDimension;
use PhpOffice\PhpSpreadsheet\Helper\Html as HelperHtml;
use PhpOffice\PhpSpreadsheet\Reader\Security\XmlScanner;
use PhpOffice\PhpSpreadsheet\Shared\StringHelper;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Style\Alignment;
use PhpOffice\PhpSpreadsheet\Style\Border;
use PhpOffice\PhpSpreadsheet\Style\Color;
use PhpOffice\PhpSpreadsheet\Style\Fill;
use PhpOffice\PhpSpreadsheet\Style\Font;
use PhpOffice\PhpSpreadsheet\Style\Style;
use PhpOffice\PhpSpreadsheet\Worksheet\Drawing;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
use Throwable;

class Html extends BaseReader
{
    /**
     * Sample size to read to determine if it's HTML or not.
     */
    const TEST_SAMPLE_SIZE = 2048;

    private const STARTS_WITH_BOM = '/^(?:\xfe\xff|\xff\xfe|\xEF\xBB\xBF)/';

    private const DECLARES_CHARSET = '/\bcharset=/i';

    /**
     * Input encoding.
     */
    protected string $inputEncoding = 'ANSI';

    /**
     * Sheet index to read.
     */
    protected int $sheetIndex = 0;

    /**
     * Formats.
     */
    protected const FORMATS = [
        'h1' => [
            'font' => [
                'bold' => true,
                'size' => 24,
            ],
        ], //    Bold, 24pt
        'h2' => [
            'font' => [
                'bold' => true,
                'size' => 18,
            ],
        ], //    Bold, 18pt
        'h3' => [
            'font' => [
                'bold' => true,
                'size' => 13.5,
            ],
        ], //    Bold, 13.5pt
        'h4' => [
            'font' => [
                'bold' => true,
                'size' => 12,
            ],
        ], //    Bold, 12pt
        'h5' => [
            'font' => [
                'bold' => true,
                'size' => 10,
            ],
        ], //    Bold, 10pt
        'h6' => [
            'font' => [
                'bold' => true,
                'size' => 7.5,
            ],
        ], //    Bold, 7.5pt
        'a' => [
            'font' => [
                'underline' => true,
                'color' => [
                    'argb' => Color::COLOR_BLUE,
                ],
            ],
        ], //    Blue underlined
        'hr' => [
            'borders' => [
                'bottom' => [
                    'borderStyle' => Border::BORDER_THIN,
                    'color' => [
                        Color::COLOR_BLACK,
                    ],
                ],
            ],
        ], //    Bottom border
        'strong' => [
            'font' => [
                'bold' => true,
            ],
        ], //    Bold
        'b' => [
            'font' => [
                'bold' => true,
            ],
        ], //    Bold
        'i' => [
            'font' => [
                'italic' => true,
            ],
        ], //    Italic
        'em' => [
            'font' => [
                'italic' => true,
            ],
        ], //    Italic
    ];

    /** @var array<string, bool> */
    protected array $rowspan = [];

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

    /**
     * Validate that the current file is an HTML file.
     */
    public function canRead(string $filename): bool
    {
        // Check if file exists
        try {
            $this->openFile($filename);
        } catch (Exception) {
            return false;
        }

        $beginning = preg_replace(self::STARTS_WITH_BOM, '', $this->readBeginning()) ?? '';

        $startWithTag = self::startsWithTag($beginning);
        $containsTags = self::containsTags($beginning);
        $endsWithTag = self::endsWithTag($this->readEnding());

        fclose($this->fileHandle);

        return $startWithTag && $containsTags && $endsWithTag;
    }

    private function readBeginning(): string
    {
        fseek($this->fileHandle, 0);

        return (string) fread($this->fileHandle, self::TEST_SAMPLE_SIZE);
    }

    private function readEnding(): string
    {
        $meta = stream_get_meta_data($this->fileHandle);
        // Phpstan incorrectly flags following line for Php8.2-, corrected in 8.3
        $filename = $meta['uri']; //@phpstan-ignore-line

        clearstatcache(true, $filename);
        $size = (int) filesize($filename);
        if ($size === 0) {
            return '';
        }

        $blockSize = self::TEST_SAMPLE_SIZE;
        if ($size < $blockSize) {
            $blockSize = $size;
        }

        fseek($this->fileHandle, $size - $blockSize);

        return (string) fread($this->fileHandle, $blockSize);
    }

    private static function startsWithTag(string $data): bool
    {
        return str_starts_with(trim($data), '<');
    }

    private static function endsWithTag(string $data): bool
    {
        return str_ends_with(trim($data), '>');
    }

    private static function containsTags(string $data): bool
    {
        return strlen($data) !== strlen(strip_tags($data));
    }

    /**
     * Loads Spreadsheet from file.
     */
    public function loadSpreadsheetFromFile(string $filename): Spreadsheet
    {
        $spreadsheet = $this->newSpreadsheet();
        $spreadsheet->setValueBinder($this->valueBinder);

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

    /**
     * Data Array used for testing only, should write to
     * Spreadsheet object on completion of tests.
     *
     * @var mixed[][]
     */
    protected array $dataArray = [];

    protected int $tableLevel = 0;

    /** @var string[] */
    protected array $nestedColumn = ['A'];

    protected function setTableStartColumn(string $column): string
    {
        if ($this->tableLevel == 0) {
            $column = 'A';
        }
        ++$this->tableLevel;
        $this->nestedColumn[$this->tableLevel] = $column;

        return $this->nestedColumn[$this->tableLevel];
    }

    protected function getTableStartColumn(): string
    {
        return $this->nestedColumn[$this->tableLevel];
    }

    protected function releaseTableStartColumn(): string
    {
        --$this->tableLevel;

        return array_pop($this->nestedColumn) ?? '';
    }

    /**
     * Flush cell.
     *
     * @param string[] $attributeArray
     *
     * @param-out string $cellContent In one case, it can be bool
     */
    protected function flushCell(Worksheet $sheet, string $column, int|string $row, mixed &$cellContent, array $attributeArray): void
    {
        if (is_string($cellContent)) {
            //    Simple String content
            if (trim($cellContent) > '') {
                //    Only actually write it if there's content in the string
                //    Write to worksheet to be done here...
                //    ... we return the cell, so we can mess about with styles more easily

                // Set cell value explicitly if there is data-type attribute
                if (isset($attributeArray['data-type'])) {
                    $datatype = $attributeArray['data-type'];
                    if (in_array($datatype, [DataType::TYPE_STRING, DataType::TYPE_STRING2, DataType::TYPE_INLINE])) {
                        //Prevent to Excel treat string with beginning equal sign or convert big numbers to scientific number
                        if (str_starts_with($cellContent, '=')) {
                            $sheet->getCell($column . $row)
                                ->getStyle()
                                ->setQuotePrefix(true);
                        }
                    }
                    if ($datatype === DataType::TYPE_BOOL) {
                        // This is the case where we can set cellContent to bool rather than string
                        $cellContent = self::convertBoolean($cellContent); //* @phpstan-ignore-line
                        if (!is_bool($cellContent)) {
                            $attributeArray['data-type'] = DataType::TYPE_STRING;
                        }
                    }

                    //catching the Exception and ignoring the invalid data types
                    try {
                        $sheet->setCellValueExplicit($column . $row, $cellContent, $attributeArray['data-type']);
                    } catch (SpreadsheetException) {
                        $sheet->setCellValue($column . $row, $cellContent);
                    }
                } else {
                    $sheet->setCellValue($column . $row, $cellContent);
                }
                $this->dataArray[$row][$column] = $cellContent;
            }
        } else {
            //    We have a Rich Text run
            //    TODO
            $this->dataArray[$row][$column] = 'RICH TEXT: ' . StringHelper::convertToString($cellContent);
        }
        $cellContent = (string) '';
    }

    /** @var array<int, array<int, string>> */
    private static array $falseTrueArray = [];

    private static function convertBoolean(?string $cellContent): bool|string
    {
        if ($cellContent === '1') {
            return true;
        }
        if ($cellContent === '0' || $cellContent === '' || $cellContent === null) {
            return false;
        }
        if (empty(self::$falseTrueArray)) {
            $calc = Calculation::getInstance();
            self::$falseTrueArray = $calc->getFalseTrueArray();
        }
        if (in_array(mb_strtoupper($cellContent), self::$falseTrueArray[1], true)) {
            return true;
        }
        if (in_array(mb_strtoupper($cellContent), self::$falseTrueArray[0], true)) {
            return false;
        }

        return $cellContent;
    }

    private function processDomElementBody(Worksheet $sheet, int &$row, string &$column, string &$cellContent, DOMElement $child): void
    {
        $attributeArray = [];
        /** @var DOMAttr $attribute */
        foreach (($child->attributes ?? []) as $attribute) {
            $attributeArray[$attribute->name] = $attribute->value;
        }

        if ($child->nodeName === 'body') {
            $row = 1;
            $column = 'A';
            $cellContent = '';
            $this->tableLevel = 0;
            $this->processDomElement($child, $sheet, $row, $column, $cellContent);
        } else {
            $this->processDomElementTitle($sheet, $row, $column, $cellContent, $child, $attributeArray);
        }
    }

    /** @param string[] $attributeArray */
    private function processDomElementTitle(Worksheet $sheet, int &$row, string &$column, string &$cellContent, DOMElement $child, array &$attributeArray): void
    {
        if ($child->nodeName === 'title') {
            $this->processDomElement($child, $sheet, $row, $column, $cellContent);

            try {
                $sheet->setTitle($cellContent, true, true);
                $sheet->getParent()?->getProperties()?->setTitle($cellContent);
            } catch (SpreadsheetException) {
                // leave default title if too long or illegal chars
            }
            $cellContent = '';
        } else {
            $this->processDomElementSpanEtc($sheet, $row, $column, $cellContent, $child, $attributeArray);
        }
    }

    private const SPAN_ETC = ['span', 'div', 'font', 'i', 'em', 'strong', 'b'];

    /** @param string[] $attributeArray */
    private function processDomElementSpanEtc(Worksheet $sheet, int &$row, string &$column, string &$cellContent, DOMElement $child, array &$attributeArray): void
    {
        if (in_array((string) $child->nodeName, self::SPAN_ETC, true)) {
            if (isset($attributeArray['class']) && $attributeArray['class'] === 'comment') {
                $sheet->getComment($column . $row)
                    ->getText()
                    ->createTextRun($child->textContent);
                if (isset($attributeArray['dir']) && $attributeArray['dir'] === 'rtl') {
                    $sheet->getComment($column . $row)->setTextboxDirection(Comment::TEXTBOX_DIRECTION_RTL);
                }
                if (isset($attributeArray['style'])) {
                    $alignStyle = $attributeArray['style'];
                    if (preg_match('/\btext-align:\s*(left|right|center|justify)\b/', (string) $alignStyle, $matches) === 1) {
                        $sheet->getComment($column . $row)->setAlignment($matches[1]);
                    }
                }
            } else {
                $this->processDomElement($child, $sheet, $row, $column, $cellContent);
            }

            if (isset(self::FORMATS[$child->nodeName])) {
                $sheet->getStyle($column . $row)->applyFromArray(self::FORMATS[$child->nodeName]);
            }
        } else {
            $this->processDomElementHr($sheet, $row, $column, $cellContent, $child, $attributeArray);
        }
    }

    /** @param string[] $attributeArray */
    private function processDomElementHr(Worksheet $sheet, int &$row, string &$column, string &$cellContent, DOMElement $child, array &$attributeArray): void
    {
        if ($child->nodeName === 'hr') {
            $this->flushCell($sheet, $column, $row, $cellContent, $attributeArray);
            ++$row;
            $sheet->getStyle($column . $row)->applyFromArray(self::FORMATS[$child->nodeName]);
            ++$row;
        }
        // fall through to br
        $this->processDomElementBr($sheet, $row, $column, $cellContent, $child, $attributeArray);
    }

    /** @param string[] $attributeArray */
    private function processDomElementBr(Worksheet $sheet, int &$row, string &$column, string &$cellContent, DOMElement $child, array &$attributeArray): void
    {
        if ($child->nodeName === 'br' || $child->nodeName === 'hr') {
            if ($this->tableLevel > 0) {
                //    If we're inside a table, replace with a newline and set the cell to wrap
                $cellContent .= "\n";
                $sheet->getStyle($column . $row)->getAlignment()->setWrapText(true);
            } else {
                //    Otherwise flush our existing content and move the row cursor on
                $this->flushCell($sheet, $column, $row, $cellContent, $attributeArray);
                ++$row;
            }
        } else {
            $this->processDomElementA($sheet, $row, $column, $cellContent, $child, $attributeArray);
        }
    }

    /** @param string[] $attributeArray */
    private function processDomElementA(Worksheet $sheet, int &$row, string &$column, string &$cellContent, DOMElement $child, array &$attributeArray): void
    {
        if ($child->nodeName === 'a') {
            foreach ($attributeArray as $attributeName => $attributeValue) {
                switch ($attributeName) {
                    case 'href':
                        $sheet->getCell($column . $row)->getHyperlink()->setUrl($attributeValue);
                        $sheet->getStyle($column . $row)->applyFromArray(self::FORMATS[$child->nodeName]);

                        break;
                    case 'class':
                        if ($attributeValue === 'comment-indicator') {
                            break; // Ignore - it's just a red square.
                        }
                }
            }
            // no idea why this should be needed
            //$cellContent .= ' ';
            $this->processDomElement($child, $sheet, $row, $column, $cellContent);
        } else {
            $this->processDomElementH1Etc($sheet, $row, $column, $cellContent, $child, $attributeArray);
        }
    }

    private const H1_ETC = ['h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'ol', 'ul', 'p'];

    /** @param string[] $attributeArray */
    private function processDomElementH1Etc(Worksheet $sheet, int &$row, string &$column, string &$cellContent, DOMElement $child, array &$attributeArray): void
    {
        if (in_array((string) $child->nodeName, self::H1_ETC, true)) {
            if ($this->tableLevel > 0) {
                //    If we're inside a table, replace with a newline
                $cellContent .= $cellContent ? "\n" : '';
                $sheet->getStyle($column . $row)->getAlignment()->setWrapText(true);
                $this->processDomElement($child, $sheet, $row, $column, $cellContent);
            } else {
                if ($cellContent > '') {
                    $this->flushCell($sheet, $column, $row, $cellContent, $attributeArray);
                    ++$row;
                }
                $this->processDomElement($child, $sheet, $row, $column, $cellContent);
                $this->flushCell($sheet, $column, $row, $cellContent, $attributeArray);

                if (isset(self::FORMATS[$child->nodeName])) {
                    $sheet->getStyle($column . $row)->applyFromArray(self::FORMATS[$child->nodeName]);
                }

                ++$row;
                $column = 'A';
            }
        } else {
            $this->processDomElementLi($sheet, $row, $column, $cellContent, $child, $attributeArray);
        }
    }

    /** @param string[] $attributeArray */
    private function processDomElementLi(Worksheet $sheet, int &$row, string &$column, string &$cellContent, DOMElement $child, array &$attributeArray): void
    {
        if ($child->nodeName === 'li') {
            if ($this->tableLevel > 0) {
                //    If we're inside a table, replace with a newline
                $cellContent .= $cellContent ? "\n" : '';
                $this->processDomElement($child, $sheet, $row, $column, $cellContent);
            } else {
                if ($cellContent > '') {
                    $this->flushCell($sheet, $column, $row, $cellContent, $attributeArray);
                }
                ++$row;
                $this->processDomElement($child, $sheet, $row, $column, $cellContent);
                $this->flushCell($sheet, $column, $row, $cellContent, $attributeArray);
                $column = 'A';
            }
        } else {
            $this->processDomElementImg($sheet, $row, $column, $cellContent, $child, $attributeArray);
        }
    }

    /** @param string[] $attributeArray */
    private function processDomElementImg(Worksheet $sheet, int &$row, string &$column, string &$cellContent, DOMElement $child, array &$attributeArray): void
    {
        if ($child->nodeName === 'img') {
            $this->insertImage($sheet, $column, $row, $attributeArray);
        } else {
            $this->processDomElementTable($sheet, $row, $column, $cellContent, $child, $attributeArray);
        }
    }

    private string $currentColumn = 'A';

    /** @param string[] $attributeArray */
    private function processDomElementTable(Worksheet $sheet, int &$row, string &$column, string &$cellContent, DOMElement $child, array &$attributeArray): void
    {
        if ($child->nodeName === 'table') {
            if (isset($attributeArray['class'])) {
                $classes = explode(' ', $attributeArray['class']);
                $sheet->setShowGridlines(in_array('gridlines', $classes, true));
                $sheet->setPrintGridlines(in_array('gridlinesp', $classes, true));
            }
            if (isset($attributeArray['data-printarea'])) {
                $sheet->getPageSetup()
                    ->setPrintArea($attributeArray['data-printarea']);
            }
            if ('rtl' === ($attributeArray['dir'] ?? '')) {
                $sheet->setRightToLeft(true);
            }
            $this->currentColumn = 'A';
            $this->flushCell($sheet, $column, $row, $cellContent, $attributeArray);
            $column = $this->setTableStartColumn($column);
            if ($this->tableLevel > 1 && $row > 1) {
                --$row;
            }
            $this->processDomElement($child, $sheet, $row, $column, $cellContent);
            $column = $this->releaseTableStartColumn();
            if ($this->tableLevel > 1) {
                StringHelper::stringIncrement($column);
            } else {
                ++$row;
            }
        } else {
            $this->processDomElementTr($sheet, $row, $column, $cellContent, $child, $attributeArray);
        }
    }

    /** @param string[] $attributeArray */
    private function processDomElementTr(Worksheet $sheet, int &$row, string &$column, string &$cellContent, DOMElement $child, array &$attributeArray): void
    {
        if ($child->nodeName === 'col') {
            $this->applyInlineStyle($sheet, -1, $this->currentColumn, $attributeArray);
            StringHelper::stringIncrement($this->currentColumn);
        } elseif ($child->nodeName === 'tr') {
            $column = $this->getTableStartColumn();
            $cellContent = '';
            $this->processDomElement($child, $sheet, $row, $column, $cellContent);

            if (isset($attributeArray['height'])) {
                $sheet->getRowDimension($row)->setRowHeight((float) $attributeArray['height']);
            }

            ++$row;
        } else {
            $this->processDomElementThTdOther($sheet, $row, $column, $cellContent, $child, $attributeArray);
        }
    }

    /** @param string[] $attributeArray */
    private function processDomElementThTdOther(Worksheet $sheet, int &$row, string &$column, string &$cellContent, DOMElement $child, array &$attributeArray): void
    {
        if ($child->nodeName !== 'td' && $child->nodeName !== 'th') {
            $this->processDomElement($child, $sheet, $row, $column, $cellContent);
        } else {
            $this->processDomElementThTd($sheet, $row, $column, $cellContent, $child, $attributeArray);
        }
    }

    /** @param string[] $attributeArray */
    private function processDomElementBgcolor(Worksheet $sheet, int $row, string $column, array $attributeArray): void
    {
        if (isset($attributeArray['bgcolor'])) {
            $sheet->getStyle("$column$row")->applyFromArray(
                [
                    'fill' => [
                        'fillType' => Fill::FILL_SOLID,
                        'color' => ['rgb' => $this->getStyleColor($attributeArray['bgcolor'])],
                    ],
                ]
            );
        }
    }

    /** @param string[] $attributeArray */
    private function processDomElementWidth(Worksheet $sheet, string $column, array $attributeArray): void
    {
        if (isset($attributeArray['width'])) {
            $sheet->getColumnDimension($column)->setWidth((new CssDimension($attributeArray['width']))->width());
        }
    }

    /** @param string[] $attributeArray */
    private function processDomElementHeight(Worksheet $sheet, int $row, array $attributeArray): void
    {
        if (isset($attributeArray['height'])) {
            $sheet->getRowDimension($row)->setRowHeight((new CssDimension($attributeArray['height']))->height());
        }
    }

    /** @param string[] $attributeArray */
    private function processDomElementAlign(Worksheet $sheet, int $row, string $column, array $attributeArray): void
    {
        if (isset($attributeArray['align'])) {
            $sheet->getStyle($column . $row)->getAlignment()->setHorizontal($attributeArray['align']);
        }
    }

    /** @param string[] $attributeArray */
    private function processDomElementVAlign(Worksheet $sheet, int $row, string $column, array $attributeArray): void
    {
        if (isset($attributeArray['valign'])) {
            $sheet->getStyle($column . $row)->getAlignment()->setVertical($attributeArray['valign']);
        }
    }

    /** @param string[] $attributeArray */
    private function processDomElementDataFormat(Worksheet $sheet, int $row, string $column, array $attributeArray): void
    {
        if (isset($attributeArray['data-format'])) {
            $sheet->getStyle($column . $row)->getNumberFormat()->setFormatCode($attributeArray['data-format']);
        }
    }

    /** @param string[] $attributeArray */
    private function processDomElementThTd(Worksheet $sheet, int &$row, string &$column, string &$cellContent, DOMElement $child, array &$attributeArray): void
    {
        while (isset($this->rowspan[$column . $row])) {
            $temp = (string) $column;
            $column = StringHelper::stringIncrement($temp);
        }
        $this->processDomElement($child, $sheet, $row, $column, $cellContent);

        // apply inline style
        $this->applyInlineStyle($sheet, $row, $column, $attributeArray);

        /** @var string $cellContent */
        $this->flushCell($sheet, $column, $row, $cellContent, $attributeArray);

        $this->processDomElementBgcolor($sheet, $row, $column, $attributeArray);
        $this->processDomElementWidth($sheet, $column, $attributeArray);
        $this->processDomElementHeight($sheet, $row, $attributeArray);
        $this->processDomElementAlign($sheet, $row, $column, $attributeArray);
        $this->processDomElementVAlign($sheet, $row, $column, $attributeArray);
        $this->processDomElementDataFormat($sheet, $row, $column, $attributeArray);

        if (isset($attributeArray['rowspan'], $attributeArray['colspan'])) {
            //create merging rowspan and colspan
            $columnTo = $column;
            for ($i = 0; $i < (int) $attributeArray['colspan'] - 1; ++$i) {
                StringHelper::stringIncrement($columnTo);
            }
            $range = $column . $row . ':' . $columnTo . ($row + (int) $attributeArray['rowspan'] - 1);
            foreach (Coordinate::extractAllCellReferencesInRange($range) as $value) {
                $this->rowspan[$value] = true;
            }
            $sheet->mergeCells($range);
            $column = $columnTo;
        } elseif (isset($attributeArray['rowspan'])) {
            //create merging rowspan
            $range = $column . $row . ':' . $column . ($row + (int) $attributeArray['rowspan'] - 1);
            foreach (Coordinate::extractAllCellReferencesInRange($range) as $value) {
                $this->rowspan[$value] = true;
            }
            $sheet->mergeCells($range);
        } elseif (isset($attributeArray['colspan'])) {
            //create merging colspan
            $columnTo = $column;
            for ($i = 0; $i < (int) $attributeArray['colspan'] - 1; ++$i) {
                StringHelper::stringIncrement($columnTo);
            }
            $sheet->mergeCells($column . $row . ':' . $columnTo . $row);
            $column = $columnTo;
        }

        StringHelper::stringIncrement($column);
    }

    protected function processDomElement(DOMNode $element, Worksheet $sheet, int &$row, string &$column, string &$cellContent): void
    {
        foreach ($element->childNodes as $child) {
            if ($child instanceof DOMText) {
                $domText = (string) preg_replace('/\s+/', ' ', trim($child->nodeValue ?? ''));
                if ($domText === "\u{a0}") {
                    $domText = '';
                }
                //    simply append the text if the cell content is a plain text string
                $cellContent .= $domText;
                //    but if we have a rich text run instead, we need to append it correctly
                //    TODO
            } elseif ($child instanceof DOMElement) {
                $this->processDomElementBody($sheet, $row, $column, $cellContent, $child);
            }
        }
    }

    /**
     * Loads PhpSpreadsheet from file into PhpSpreadsheet instance.
     */
    public function loadIntoExisting(string $filename, Spreadsheet $spreadsheet): Spreadsheet
    {
        // Validate
        if (!$this->canRead($filename)) {
            throw new Exception($filename . ' is an Invalid HTML file.');
        }

        // Create a new DOM object
        $dom = new DOMDocument();

        // Reload the HTML file into the DOM object
        try {
            $convert = $this->getSecurityScannerOrThrow()->scanFile($filename);
            $convert = static::replaceNonAsciiIfNeeded($convert);
            $loaded = ($convert === null) ? false : $dom->loadHTML($convert);
        } catch (Throwable $e) {
            $loaded = false;
        }
        if ($loaded === false) {
            throw new Exception('Failed to load file ' . $filename . ' as a DOM Document', 0, $e ?? null);
        }
        self::loadProperties($dom, $spreadsheet);

        return $this->loadDocument($dom, $spreadsheet);
    }

    private static function loadProperties(DOMDocument $dom, Spreadsheet $spreadsheet): void
    {
        $properties = $spreadsheet->getProperties();
        foreach ($dom->getElementsByTagName('meta') as $meta) {
            $metaContent = (string) $meta->getAttribute('content');
            if ($metaContent !== '') {
                $metaName = (string) $meta->getAttribute('name');
                switch ($metaName) {
                    case 'author':
                        $properties->setCreator($metaContent);

                        break;
                    case 'category':
                        $properties->setCategory($metaContent);

                        break;
                    case 'company':
                        $properties->setCompany($metaContent);

                        break;
                    case 'created':
                        $properties->setCreated($metaContent);

                        break;
                    case 'description':
                        $properties->setDescription($metaContent);

                        break;
                    case 'keywords':
                        $properties->setKeywords($metaContent);

                        break;
                    case 'lastModifiedBy':
                        $properties->setLastModifiedBy($metaContent);

                        break;
                    case 'manager':
                        $properties->setManager($metaContent);

                        break;
                    case 'modified':
                        $properties->setModified($metaContent);

                        break;
                    case 'subject':
                        $properties->setSubject($metaContent);

                        break;
                    case 'title':
                        $properties->setTitle($metaContent);

                        break;
                    case 'viewport':
                        $properties->setViewport($metaContent);

                        break;
                    default:
                        if (preg_match('/^custom[.](bool|date|float|int|string)[.](.+)$/', $metaName, $matches) === 1) {
                            match ($matches[1]) {
                                'bool' => $properties->setCustomProperty($matches[2], (bool) $metaContent, Properties::PROPERTY_TYPE_BOOLEAN),
                                'float' => $properties->setCustomProperty($matches[2], (float) $metaContent, Properties::PROPERTY_TYPE_FLOAT),
                                'int' => $properties->setCustomProperty($matches[2], (int) $metaContent, Properties::PROPERTY_TYPE_INTEGER),
                                'date' => $properties->setCustomProperty($matches[2], $metaContent, Properties::PROPERTY_TYPE_DATE),
                                // string
                                default => $properties->setCustomProperty($matches[2], $metaContent, Properties::PROPERTY_TYPE_STRING),
                            };
                        }
                }
            }
        }
        if (!empty($dom->baseURI)) {
            $properties->setHyperlinkBase($dom->baseURI);
        }
    }

    /** @param string[] $matches */
    private static function replaceNonAscii(array $matches): string
    {
        return '&#' . mb_ord($matches[0], 'UTF-8') . ';';
    }

    protected static function replaceNonAsciiIfNeeded(string $convert): ?string
    {
        if (preg_match(self::STARTS_WITH_BOM, $convert) !== 1 && preg_match(self::DECLARES_CHARSET, $convert) !== 1) {
            $lowend = "\u{80}";
            $highend = "\u{10ffff}";
            $regexp = "/[$lowend-$highend]/u";
            /** @var callable $callback */
            $callback = [self::class, 'replaceNonAscii'];
            $convert = preg_replace_callback($regexp, $callback, $convert);
        }

        return $convert;
    }

    /**
     * Spreadsheet from content.
     */
    public function loadFromString(string $content, ?Spreadsheet $spreadsheet = null): Spreadsheet
    {
        //    Create a new DOM object
        $dom = new DOMDocument();

        //    Reload the HTML file into the DOM object
        try {
            $convert = $this->getSecurityScannerOrThrow()->scan($content);
            $convert = static::replaceNonAsciiIfNeeded($convert);
            $loaded = ($convert === null) ? false : $dom->loadHTML($convert);
        } catch (Throwable $e) {
            $loaded = false;
        }
        if ($loaded === false) {
            throw new Exception('Failed to load content as a DOM Document', 0, $e ?? null);
        }
        $spreadsheet = $spreadsheet ?? $this->newSpreadsheet();
        $spreadsheet->setValueBinder($this->valueBinder);
        self::loadProperties($dom, $spreadsheet);

        return $this->loadDocument($dom, $spreadsheet);
    }

    /**
     * Loads PhpSpreadsheet from DOMDocument into PhpSpreadsheet instance.
     */
    private function loadDocument(DOMDocument $document, Spreadsheet $spreadsheet): Spreadsheet
    {
        while ($spreadsheet->getSheetCount() <= $this->sheetIndex) {
            $spreadsheet->createSheet();
        }
        $spreadsheet->setActiveSheetIndex($this->sheetIndex);

        // Discard white space
        $document->preserveWhiteSpace = false;

        $row = 0;
        $column = 'A';
        $content = '';
        $this->rowspan = [];
        $this->processDomElement($document, $spreadsheet->getActiveSheet(), $row, $column, $content);

        // Return
        return $spreadsheet;
    }

    /**
     * Get sheet index.
     */
    public function getSheetIndex(): int
    {
        return $this->sheetIndex;
    }

    /**
     * Set sheet index.
     *
     * @param int $sheetIndex Sheet index
     *
     * @return $this
     */
    public function setSheetIndex(int $sheetIndex): static
    {
        $this->sheetIndex = $sheetIndex;

        return $this;
    }

    /**
     * Apply inline css inline style.
     *
     * NOTES :
     * Currently only intended for td & th element,
     * and only takes 'background-color' and 'color'; property with HEX color
     *
     * TODO :
     * - Implement to other properties, such as border
     *
     * @param string[] $attributeArray
     */
    private function applyInlineStyle(Worksheet &$sheet, int $row, string $column, array $attributeArray): void
    {
        if (!isset($attributeArray['style'])) {
            return;
        }

        if ($row <= 0 || $column === '') {
            $cellStyle = new Style();
        } elseif (isset($attributeArray['rowspan'], $attributeArray['colspan'])) {
            $columnTo = $column;
            for ($i = 0; $i < (int) $attributeArray['colspan'] - 1; ++$i) {
                StringHelper::stringIncrement($columnTo);
            }
            $range = $column . $row . ':' . $columnTo . ($row + (int) $attributeArray['rowspan'] - 1);
            $cellStyle = $sheet->getStyle($range);
        } elseif (isset($attributeArray['rowspan'])) {
            $range = $column . $row . ':' . $column . ($row + (int) $attributeArray['rowspan'] - 1);
            $cellStyle = $sheet->getStyle($range);
        } elseif (isset($attributeArray['colspan'])) {
            $columnTo = $column;
            for ($i = 0; $i < (int) $attributeArray['colspan'] - 1; ++$i) {
                StringHelper::stringIncrement($columnTo);
            }
            $range = $column . $row . ':' . $columnTo . $row;
            $cellStyle = $sheet->getStyle($range);
        } else {
            $cellStyle = $sheet->getStyle($column . $row);
        }

        // add color styles (background & text) from dom element,currently support : td & th, using ONLY inline css style with RGB color
        $styles = explode(';', $attributeArray['style']);
        foreach ($styles as $st) {
            $value = explode(':', $st);
            $styleName = trim($value[0]);
            $styleValue = isset($value[1]) ? trim($value[1]) : null;
            $styleValueString = (string) $styleValue;

            if (!$styleName) {
                continue;
            }

            switch ($styleName) {
                case 'background':
                case 'background-color':
                    $styleColor = $this->getStyleColor($styleValueString);

                    if (!$styleColor) {
                        continue 2;
                    }

                    $cellStyle->applyFromArray(['fill' => ['fillType' => Fill::FILL_SOLID, 'color' => ['rgb' => $styleColor]]]);

                    break;
                case 'color':
                    $styleColor = $this->getStyleColor($styleValueString);

                    if (!$styleColor) {
                        continue 2;
                    }

                    $cellStyle->applyFromArray(['font' => ['color' => ['rgb' => $styleColor]]]);

                    break;

                case 'border':
                    $this->setBorderStyle($cellStyle, $styleValueString, 'allBorders');

                    break;

                case 'border-top':
                    $this->setBorderStyle($cellStyle, $styleValueString, 'top');

                    break;

                case 'border-bottom':
                    $this->setBorderStyle($cellStyle, $styleValueString, 'bottom');

                    break;

                case 'border-left':
                    $this->setBorderStyle($cellStyle, $styleValueString, 'left');

                    break;

                case 'border-right':
                    $this->setBorderStyle($cellStyle, $styleValueString, 'right');

                    break;

                case 'font-size':
                    $cellStyle->getFont()->setSize(
                        (float) $styleValue
                    );

                    break;

                case 'direction':
                    if ($styleValue === 'rtl') {
                        $cellStyle->getAlignment()
                            ->setReadOrder(Alignment::READORDER_RTL);
                    } elseif ($styleValue === 'ltr') {
                        $cellStyle->getAlignment()
                            ->setReadOrder(Alignment::READORDER_LTR);
                    }

                    break;

                case 'font-weight':
                    if ($styleValue === 'bold' || $styleValue >= 500) {
                        $cellStyle->getFont()->setBold(true);
                    }

                    break;

                case 'font-style':
                    if ($styleValue === 'italic') {
                        $cellStyle->getFont()->setItalic(true);
                    }

                    break;

                case 'font-family':
                    $cellStyle->getFont()->setName(str_replace('\'', '', $styleValueString));

                    break;

                case 'text-decoration':
                    switch ($styleValue) {
                        case 'underline':
                            $cellStyle->getFont()->setUnderline(Font::UNDERLINE_SINGLE);

                            break;
                        case 'line-through':
                            $cellStyle->getFont()->setStrikethrough(true);

                            break;
                    }

                    break;

                case 'text-align':
                    $cellStyle->getAlignment()->setHorizontal($styleValueString);

                    break;

                case 'vertical-align':
                    $cellStyle->getAlignment()->setVertical($styleValueString);

                    break;

                case 'width':
                    if ($column !== '') {
                        $sheet->getColumnDimension($column)->setWidth(
                            (new CssDimension($styleValue ?? ''))->width()
                        );
                    }

                    break;

                case 'height':
                    if ($row > 0) {
                        $sheet->getRowDimension($row)->setRowHeight(
                            (new CssDimension($styleValue ?? ''))->height()
                        );
                    }

                    break;

                case 'word-wrap':
                    $cellStyle->getAlignment()->setWrapText(
                        $styleValue === 'break-word'
                    );

                    break;

                case 'text-indent':
                    $indentDimension = new CssDimension($styleValueString);
                    $indent = $indentDimension
                        ->toUnit(CssDimension::UOM_PIXELS);
                    $cellStyle->getAlignment()->setIndent(
                        (int) ($indent / Alignment::INDENT_UNITS_TO_PIXELS)
                    );

                    break;
            }
        }
    }

    /**
     * Check if has #, so we can get clean hex.
     */
    public function getStyleColor(?string $value): string
    {
        $value = (string) $value;
        if (str_starts_with($value, '#')) {
            return substr($value, 1);
        }

        return HelperHtml::colourNameLookup($value);
    }

    /** @param string[] $attributes */
    private function insertImage(Worksheet $sheet, string $column, int $row, array $attributes): void
    {
        if (!isset($attributes['src'])) {
            return;
        }
        $styleArray = self::getStyleArray($attributes);

        $src = $attributes['src'];
        if (!str_starts_with($src, 'data:')) {
            $src = urldecode($src);
        }
        $width = isset($attributes['width']) ? (float) $attributes['width'] : ($styleArray['width'] ?? null);
        $height = isset($attributes['height']) ? (float) $attributes['height'] : ($styleArray['height'] ?? null);
        $name = $attributes['alt'] ?? null;

        $drawing = new Drawing();
        $drawing->setPath($src, false, allowExternal: $this->allowExternalImages);
        if ($drawing->getPath() === '') {
            return;
        }
        $drawing->setWorksheet($sheet);
        $drawing->setCoordinates($column . $row);
        $drawing->setOffsetX(0);
        $drawing->setOffsetY(10);
        $drawing->setResizeProportional(true);

        if ($name) {
            $drawing->setName($name);
        }

        /** @var null|scalar $width */
        /** @var null|scalar $height */
        if ($width) {
            if ($height) {
                $drawing->setWidthAndHeight((int) $width, (int) $height);
            } else {
                $drawing->setWidth((int) $width);
            }
        } elseif ($height) {
            $drawing->setHeight((int) $height);
        }

        $sheet->getColumnDimension($column)->setWidth(
            $drawing->getWidth() / 6
        );

        $sheet->getRowDimension($row)->setRowHeight(
            $drawing->getHeight() * 0.9
        );

        if (isset($styleArray['opacity'])) {
            $opacity = $styleArray['opacity'];
            if (is_numeric($opacity)) {
                $drawing->setOpacity((int) ($opacity * 100000));
            }
        }
    }

    /**
     * @param string[] $attributes
     *
     * @return mixed[]
     */
    private static function getStyleArray(array $attributes): array
    {
        $styleArray = [];
        if (isset($attributes['style'])) {
            $styles = explode(';', $attributes['style']);
            foreach ($styles as $style) {
                $value = explode(':', $style);
                if (count($value) === 2) {
                    $arrayKey = trim($value[0]);
                    $arrayValue = trim($value[1]);
                    if ($arrayKey === 'width') {
                        if (str_ends_with($arrayValue, 'px')) {
                            $arrayValue = (string) (((float) substr($arrayValue, 0, -2)));
                        } else {
                            $arrayValue = (new CssDimension($arrayValue))->toUnit(CssDimension::UOM_PIXELS);
                        }
                    } elseif ($arrayKey === 'height') {
                        if (str_ends_with($arrayValue, 'px')) {
                            $arrayValue = substr($arrayValue, 0, -2);
                        } else {
                            $arrayValue = (new CssDimension($arrayValue))->toUnit(CssDimension::UOM_PIXELS);
                        }
                    }
                    $styleArray[$arrayKey] = $arrayValue;
                }
            }
        }

        return $styleArray;
    }

    private const BORDER_MAPPINGS = [
        'dash-dot' => Border::BORDER_DASHDOT,
        'dash-dot-dot' => Border::BORDER_DASHDOTDOT,
        'dashed' => Border::BORDER_DASHED,
        'dotted' => Border::BORDER_DOTTED,
        'double' => Border::BORDER_DOUBLE,
        'hair' => Border::BORDER_HAIR,
        'medium' => Border::BORDER_MEDIUM,
        'medium-dashed' => Border::BORDER_MEDIUMDASHED,
        'medium-dash-dot' => Border::BORDER_MEDIUMDASHDOT,
        'medium-dash-dot-dot' => Border::BORDER_MEDIUMDASHDOTDOT,
        'none' => Border::BORDER_NONE,
        'slant-dash-dot' => Border::BORDER_SLANTDASHDOT,
        'solid' => Border::BORDER_THIN,
        'thick' => Border::BORDER_THICK,
    ];

    /** @return array<string, string> */
    public static function getBorderMappings(): array
    {
        return self::BORDER_MAPPINGS;
    }

    /**
     * Map html border style to PhpSpreadsheet border style.
     */
    public function getBorderStyle(string $style): ?string
    {
        return self::BORDER_MAPPINGS[$style] ?? null;
    }

    private function setBorderStyle(Style $cellStyle, string $styleValue, string $type): void
    {
        if (trim($styleValue) === Border::BORDER_NONE) {
            $borderStyle = Border::BORDER_NONE;
            $color = null;
        } else {
            $borderArray = explode(' ', $styleValue);
            $borderCount = count($borderArray);
            if ($borderCount >= 3) {
                $borderStyle = $borderArray[1];
                $color = $borderArray[2];
            } else {
                $borderStyle = $borderArray[0];
                $color = $borderArray[1] ?? null;
            }
        }

        $cellStyle->applyFromArray([
            'borders' => [
                $type => [
                    'borderStyle' => $this->getBorderStyle($borderStyle),
                    'color' => ['rgb' => $this->getStyleColor($color)],
                ],
            ],
        ]);
    }

    /**
     * Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns).
     *
     * @return array<int, array{worksheetName: string, lastColumnLetter: string, lastColumnIndex: int, totalRows: int, totalColumns: int, sheetState: string}>
     */
    public function listWorksheetInfo(string $filename): array
    {
        $info = [];
        $spreadsheet = $this->newSpreadsheet();
        $this->loadIntoExisting($filename, $spreadsheet);
        foreach ($spreadsheet->getAllSheets() as $sheet) {
            $newEntry = ['worksheetName' => $sheet->getTitle()];
            $newEntry['lastColumnLetter'] = $sheet->getHighestDataColumn();
            $newEntry['lastColumnIndex'] = Coordinate::columnIndexFromString($sheet->getHighestDataColumn()) - 1;
            $newEntry['totalRows'] = $sheet->getHighestDataRow();
            $newEntry['totalColumns'] = $newEntry['lastColumnIndex'] + 1;
            $newEntry['sheetState'] = Worksheet::SHEETSTATE_VISIBLE;
            $info[] = $newEntry;
        }
        $spreadsheet->disconnectWorksheets();

        return $info;
    }
}

PHPOffice / PhpSpreadsheet / 20525786658

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