/home/kueuepay/www/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Reader/Xlsx/Styles.php
<?php

namespace PhpOffice\PhpSpreadsheet\Reader\Xlsx;

use PhpOffice\PhpSpreadsheet\Reader\Xlsx;
use PhpOffice\PhpSpreadsheet\Style\Alignment;
use PhpOffice\PhpSpreadsheet\Style\Border;
use PhpOffice\PhpSpreadsheet\Style\Borders;
use PhpOffice\PhpSpreadsheet\Style\Color;
use PhpOffice\PhpSpreadsheet\Style\Fill;
use PhpOffice\PhpSpreadsheet\Style\Font;
use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
use PhpOffice\PhpSpreadsheet\Style\Protection;
use PhpOffice\PhpSpreadsheet\Style\Style;
use SimpleXMLElement;
use stdClass;

class Styles extends BaseParserClass
{
    /**
     * Theme instance.
     *
     * @var ?Theme
     */
    private $theme;

    /** @var array */
    private $workbookPalette = [];

    /** @var array */
    private $styles = [];

    /** @var array */
    private $cellStyles = [];

    /** @var SimpleXMLElement */
    private $styleXml;

    /** @var string */
    private $namespace = '';

    public function setNamespace(string $namespace): void
    {
        $this->namespace = $namespace;
    }

    public function setWorkbookPalette(array $palette): void
    {
        $this->workbookPalette = $palette;
    }

    /**
     * Cast SimpleXMLElement to bool to overcome Scrutinizer problem.
     *
     * @param mixed $value
     */
    private static function castBool($value): bool
    {
        return (bool) $value;
    }

    private function getStyleAttributes(SimpleXMLElement $value): SimpleXMLElement
    {
        $attr = null;
        if (self::castBool($value)) {
            $attr = $value->attributes('');
            if ($attr === null || count($attr) === 0) {
                $attr = $value->attributes($this->namespace);
            }
        }

        return Xlsx::testSimpleXml($attr);
    }

    public function setStyleXml(SimpleXmlElement $styleXml): void
    {
        $this->styleXml = $styleXml;
    }

    public function setTheme(Theme $theme): void
    {
        $this->theme = $theme;
    }

    public function setStyleBaseData(?Theme $theme = null, array $styles = [], array $cellStyles = []): void
    {
        $this->theme = $theme;
        $this->styles = $styles;
        $this->cellStyles = $cellStyles;
    }

    public function readFontStyle(Font $fontStyle, SimpleXMLElement $fontStyleXml): void
    {
        if (isset($fontStyleXml->name)) {
            $attr = $this->getStyleAttributes($fontStyleXml->name);
            if (isset($attr['val'])) {
                $fontStyle->setName((string) $attr['val']);
            }
        }
        if (isset($fontStyleXml->sz)) {
            $attr = $this->getStyleAttributes($fontStyleXml->sz);
            if (isset($attr['val'])) {
                $fontStyle->setSize((float) $attr['val']);
            }
        }
        if (isset($fontStyleXml->b)) {
            $attr = $this->getStyleAttributes($fontStyleXml->b);
            $fontStyle->setBold(!isset($attr['val']) || self::boolean((string) $attr['val']));
        }
        if (isset($fontStyleXml->i)) {
            $attr = $this->getStyleAttributes($fontStyleXml->i);
            $fontStyle->setItalic(!isset($attr['val']) || self::boolean((string) $attr['val']));
        }
        if (isset($fontStyleXml->strike)) {
            $attr = $this->getStyleAttributes($fontStyleXml->strike);
            $fontStyle->setStrikethrough(!isset($attr['val']) || self::boolean((string) $attr['val']));
        }
        $fontStyle->getColor()->setARGB($this->readColor($fontStyleXml->color));

        if (isset($fontStyleXml->u)) {
            $attr = $this->getStyleAttributes($fontStyleXml->u);
            if (!isset($attr['val'])) {
                $fontStyle->setUnderline(Font::UNDERLINE_SINGLE);
            } else {
                $fontStyle->setUnderline((string) $attr['val']);
            }
        }
        if (isset($fontStyleXml->vertAlign)) {
            $attr = $this->getStyleAttributes($fontStyleXml->vertAlign);
            if (isset($attr['val'])) {
                $verticalAlign = strtolower((string) $attr['val']);
                if ($verticalAlign === 'superscript') {
                    $fontStyle->setSuperscript(true);
                } elseif ($verticalAlign === 'subscript') {
                    $fontStyle->setSubscript(true);
                }
            }
        }
        if (isset($fontStyleXml->scheme)) {
            $attr = $this->getStyleAttributes($fontStyleXml->scheme);
            $fontStyle->setScheme((string) $attr['val']);
        }
    }

    private function readNumberFormat(NumberFormat $numfmtStyle, SimpleXMLElement $numfmtStyleXml): void
    {
        if ((string) $numfmtStyleXml['formatCode'] !== '') {
            $numfmtStyle->setFormatCode(self::formatGeneral((string) $numfmtStyleXml['formatCode']));

            return;
        }
        $numfmt = $this->getStyleAttributes($numfmtStyleXml);
        if (isset($numfmt['formatCode'])) {
            $numfmtStyle->setFormatCode(self::formatGeneral((string) $numfmt['formatCode']));
        }
    }

    public function readFillStyle(Fill $fillStyle, SimpleXMLElement $fillStyleXml): void
    {
        if ($fillStyleXml->gradientFill) {
            /** @var SimpleXMLElement $gradientFill */
            $gradientFill = $fillStyleXml->gradientFill[0];
            $attr = $this->getStyleAttributes($gradientFill);
            if (!empty($attr['type'])) {
                $fillStyle->setFillType((string) $attr['type']);
            }
            $fillStyle->setRotation((float) ($attr['degree']));
            $gradientFill->registerXPathNamespace('sml', Namespaces::MAIN);
            $fillStyle->getStartColor()->setARGB($this->readColor(self::getArrayItem($gradientFill->xpath('sml:stop[@position=0]'))->color));
            $fillStyle->getEndColor()->setARGB($this->readColor(self::getArrayItem($gradientFill->xpath('sml:stop[@position=1]'))->color));
        } elseif ($fillStyleXml->patternFill) {
            $defaultFillStyle = Fill::FILL_NONE;
            if ($fillStyleXml->patternFill->fgColor) {
                $fillStyle->getStartColor()->setARGB($this->readColor($fillStyleXml->patternFill->fgColor, true));
                $defaultFillStyle = Fill::FILL_SOLID;
            }
            if ($fillStyleXml->patternFill->bgColor) {
                $fillStyle->getEndColor()->setARGB($this->readColor($fillStyleXml->patternFill->bgColor, true));
                $defaultFillStyle = Fill::FILL_SOLID;
            }

            $type = '';
            if ((string) $fillStyleXml->patternFill['patternType'] !== '') {
                $type = (string) $fillStyleXml->patternFill['patternType'];
            } else {
                $attr = $this->getStyleAttributes($fillStyleXml->patternFill);
                $type = (string) $attr['patternType'];
            }
            $patternType = ($type === '') ? $defaultFillStyle : $type;

            $fillStyle->setFillType($patternType);
        }
    }

    public function readBorderStyle(Borders $borderStyle, SimpleXMLElement $borderStyleXml): void
    {
        $diagonalUp = $this->getAttribute($borderStyleXml, 'diagonalUp');
        $diagonalUp = self::boolean($diagonalUp);
        $diagonalDown = $this->getAttribute($borderStyleXml, 'diagonalDown');
        $diagonalDown = self::boolean($diagonalDown);
        if ($diagonalUp === false) {
            if ($diagonalDown === false) {
                $borderStyle->setDiagonalDirection(Borders::DIAGONAL_NONE);
            } else {
                $borderStyle->setDiagonalDirection(Borders::DIAGONAL_DOWN);
            }
        } elseif ($diagonalDown === false) {
            $borderStyle->setDiagonalDirection(Borders::DIAGONAL_UP);
        } else {
            $borderStyle->setDiagonalDirection(Borders::DIAGONAL_BOTH);
        }

        if (isset($borderStyleXml->left)) {
            $this->readBorder($borderStyle->getLeft(), $borderStyleXml->left);
        }
        if (isset($borderStyleXml->right)) {
            $this->readBorder($borderStyle->getRight(), $borderStyleXml->right);
        }
        if (isset($borderStyleXml->top)) {
            $this->readBorder($borderStyle->getTop(), $borderStyleXml->top);
        }
        if (isset($borderStyleXml->bottom)) {
            $this->readBorder($borderStyle->getBottom(), $borderStyleXml->bottom);
        }
        if (isset($borderStyleXml->diagonal)) {
            $this->readBorder($borderStyle->getDiagonal(), $borderStyleXml->diagonal);
        }
    }

    private function getAttribute(SimpleXMLElement $xml, string $attribute): string
    {
        $style = '';
        if ((string) $xml[$attribute] !== '') {
            $style = (string) $xml[$attribute];
        } else {
            $attr = $this->getStyleAttributes($xml);
            if (isset($attr[$attribute])) {
                $style = (string) $attr[$attribute];
            }
        }

        return $style;
    }

    private function readBorder(Border $border, SimpleXMLElement $borderXml): void
    {
        $style = $this->getAttribute($borderXml, 'style');
        if ($style !== '') {
            $border->setBorderStyle((string) $style);
        } else {
            $border->setBorderStyle(Border::BORDER_NONE);
        }
        if (isset($borderXml->color)) {
            $border->getColor()->setARGB($this->readColor($borderXml->color));
        }
    }

    public function readAlignmentStyle(Alignment $alignment, SimpleXMLElement $alignmentXml): void
    {
        $horizontal = (string) $this->getAttribute($alignmentXml, 'horizontal');
        if ($horizontal !== '') {
            $alignment->setHorizontal($horizontal);
        }
        $vertical = (string) $this->getAttribute($alignmentXml, 'vertical');
        if ($vertical !== '') {
            $alignment->setVertical($vertical);
        }

        $textRotation = (int) $this->getAttribute($alignmentXml, 'textRotation');
        if ($textRotation > 90) {
            $textRotation = 90 - $textRotation;
        }
        $alignment->setTextRotation($textRotation);

        $wrapText = $this->getAttribute($alignmentXml, 'wrapText');
        $alignment->setWrapText(self::boolean((string) $wrapText));
        $shrinkToFit = $this->getAttribute($alignmentXml, 'shrinkToFit');
        $alignment->setShrinkToFit(self::boolean((string) $shrinkToFit));
        $indent = (int) $this->getAttribute($alignmentXml, 'indent');
        $alignment->setIndent(max($indent, 0));
        $readingOrder = (int) $this->getAttribute($alignmentXml, 'readingOrder');
        $alignment->setReadOrder(max($readingOrder, 0));
    }

    private static function formatGeneral(string $formatString): string
    {
        if ($formatString === 'GENERAL') {
            $formatString = NumberFormat::FORMAT_GENERAL;
        }

        return $formatString;
    }

    /**
     * Read style.
     *
     * @param SimpleXMLElement|stdClass $style
     */
    public function readStyle(Style $docStyle, $style): void
    {
        if ($style instanceof SimpleXMLElement) {
            $this->readNumberFormat($docStyle->getNumberFormat(), $style->numFmt);
        } else {
            $docStyle->getNumberFormat()->setFormatCode(self::formatGeneral((string) $style->numFmt));
        }

        if (isset($style->font)) {
            $this->readFontStyle($docStyle->getFont(), $style->font);
        }

        if (isset($style->fill)) {
            $this->readFillStyle($docStyle->getFill(), $style->fill);
        }

        if (isset($style->border)) {
            $this->readBorderStyle($docStyle->getBorders(), $style->border);
        }

        if (isset($style->alignment)) {
            $this->readAlignmentStyle($docStyle->getAlignment(), $style->alignment);
        }

        // protection
        if (isset($style->protection)) {
            $this->readProtectionLocked($docStyle, $style->protection);
            $this->readProtectionHidden($docStyle, $style->protection);
        }

        // top-level style settings
        if (isset($style->quotePrefix)) {
            $docStyle->setQuotePrefix((bool) $style->quotePrefix);
        }
    }

    /**
     * Read protection locked attribute.
     */
    public function readProtectionLocked(Style $docStyle, SimpleXMLElement $style): void
    {
        $locked = '';
        if ((string) $style['locked'] !== '') {
            $locked = (string) $style['locked'];
        } else {
            $attr = $this->getStyleAttributes($style);
            if (isset($attr['locked'])) {
                $locked = (string) $attr['locked'];
            }
        }
        if ($locked !== '') {
            if (self::boolean($locked)) {
                $docStyle->getProtection()->setLocked(Protection::PROTECTION_PROTECTED);
            } else {
                $docStyle->getProtection()->setLocked(Protection::PROTECTION_UNPROTECTED);
            }
        }
    }

    /**
     * Read protection hidden attribute.
     */
    public function readProtectionHidden(Style $docStyle, SimpleXMLElement $style): void
    {
        $hidden = '';
        if ((string) $style['hidden'] !== '') {
            $hidden = (string) $style['hidden'];
        } else {
            $attr = $this->getStyleAttributes($style);
            if (isset($attr['hidden'])) {
                $hidden = (string) $attr['hidden'];
            }
        }
        if ($hidden !== '') {
            if (self::boolean((string) $hidden)) {
                $docStyle->getProtection()->setHidden(Protection::PROTECTION_PROTECTED);
            } else {
                $docStyle->getProtection()->setHidden(Protection::PROTECTION_UNPROTECTED);
            }
        }
    }

    public function readColor(SimpleXMLElement $color, bool $background = false): string
    {
        $attr = $this->getStyleAttributes($color);
        if (isset($attr['rgb'])) {
            return (string) $attr['rgb'];
        }
        if (isset($attr['indexed'])) {
            $indexedColor = (int) $attr['indexed'];
            if ($indexedColor >= count($this->workbookPalette)) {
                return Color::indexedColor($indexedColor - 7, $background)->getARGB() ?? '';
            }

            return Color::indexedColor($indexedColor, $background, $this->workbookPalette)->getARGB() ?? '';
        }
        if (isset($attr['theme'])) {
            if ($this->theme !== null) {
                $returnColour = $this->theme->getColourByIndex((int) $attr['theme']);
                if (isset($attr['tint'])) {
                    $tintAdjust = (float) $attr['tint'];
                    $returnColour = Color::changeBrightness($returnColour ?? '', $tintAdjust);
                }

                return 'FF' . $returnColour;
            }
        }

        return ($background) ? 'FFFFFFFF' : 'FF000000';
    }

    public function dxfs(bool $readDataOnly = false): array
    {
        $dxfs = [];
        if (!$readDataOnly && $this->styleXml) {
            //    Conditional Styles
            if ($this->styleXml->dxfs) {
                foreach ($this->styleXml->dxfs->dxf as $dxf) {
                    $style = new Style(false, true);
                    $this->readStyle($style, $dxf);
                    $dxfs[] = $style;
                }
            }
            //    Cell Styles
            if ($this->styleXml->cellStyles) {
                foreach ($this->styleXml->cellStyles->cellStyle as $cellStylex) {
                    $cellStyle = Xlsx::getAttributes($cellStylex);
                    if ((int) ($cellStyle['builtinId']) == 0) {
                        if (isset($this->cellStyles[(int) ($cellStyle['xfId'])])) {
                            // Set default style
                            $style = new Style();
                            $this->readStyle($style, $this->cellStyles[(int) ($cellStyle['xfId'])]);

                            // normal style, currently not using it for anything
                        }
                    }
                }
            }
        }

        return $dxfs;
    }

    public function styles(): array
    {
        return $this->styles;
    }

    /**
     * Get array item.
     *
     * @param mixed $array (usually array, in theory can be false)
     *
     * @return stdClass
     */
    private static function getArrayItem($array, int $key = 0)
    {
        return is_array($array) ? ($array[$key] ?? null) : null;
    }
}
Best Practice

Best Practices

To ensure a smooth integration process and optimal performance, follow these best practices:

  1. Use secure HTTPS connections for all API requests.
  2. Implement robust error handling to handle potential issues gracefully.
  3. Regularly update your integration to stay current with any API changes or enhancements.