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<?php
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namespace PhpOffice\PhpSpreadsheet\Reader\Xml;
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use PhpOffice\PhpSpreadsheet\Style\Protection;
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use SimpleXMLElement;
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class Style
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{
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/**
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* Formats.
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*
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* @var array
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*/
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protected $styles = [];
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public function parseStyles(SimpleXMLElement $xml, array $namespaces): array
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{
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if (!isset($xml->Styles) || !is_iterable($xml->Styles[0])) {
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return [];
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}
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$alignmentStyleParser = new Style\Alignment();
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$borderStyleParser = new Style\Border();
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$fontStyleParser = new Style\Font();
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$fillStyleParser = new Style\Fill();
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$numberFormatStyleParser = new Style\NumberFormat();
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foreach ($xml->Styles[0] as $style) {
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$style_ss = self::getAttributes($style, $namespaces['ss']);
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$styleID = (string) $style_ss['ID'];
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$this->styles[$styleID] = $this->styles['Default'] ?? [];
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$alignment = $border = $font = $fill = $numberFormat = $protection = [];
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foreach ($style as $styleType => $styleDatax) {
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$styleData = self::getSxml($styleDatax);
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$styleAttributes = $styleData->attributes($namespaces['ss']);
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switch ($styleType) {
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case 'Alignment':
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if ($styleAttributes) {
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$alignment = $alignmentStyleParser->parseStyle($styleAttributes);
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}
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break;
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case 'Borders':
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$border = $borderStyleParser->parseStyle($styleData, $namespaces);
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break;
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case 'Font':
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if ($styleAttributes) {
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$font = $fontStyleParser->parseStyle($styleAttributes);
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}
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break;
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case 'Interior':
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if ($styleAttributes) {
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$fill = $fillStyleParser->parseStyle($styleAttributes);
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}
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break;
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case 'NumberFormat':
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if ($styleAttributes) {
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$numberFormat = $numberFormatStyleParser->parseStyle($styleAttributes);
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}
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break;
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case 'Protection':
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$locked = $hidden = null;
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$styleAttributesP = $styleData->attributes($namespaces['x']);
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if (isset($styleAttributes['Protected'])) {
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$locked = ((bool) (string) $styleAttributes['Protected']) ? Protection::PROTECTION_PROTECTED : Protection::PROTECTION_UNPROTECTED;
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}
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if (isset($styleAttributesP['HideFormula'])) {
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$hidden = ((bool) (string) $styleAttributesP['HideFormula']) ? Protection::PROTECTION_PROTECTED : Protection::PROTECTION_UNPROTECTED;
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}
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if ($locked !== null || $hidden !== null) {
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$protection['protection'] = [];
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if ($locked !== null) {
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$protection['protection']['locked'] = $locked;
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}
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if ($hidden !== null) {
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$protection['protection']['hidden'] = $hidden;
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}
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}
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break;
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}
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}
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$this->styles[$styleID] = array_merge($alignment, $border, $font, $fill, $numberFormat, $protection);
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}
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return $this->styles;
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}
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private static function getAttributes(?SimpleXMLElement $simple, string $node): SimpleXMLElement
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{
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return ($simple === null) ? new SimpleXMLElement('<xml></xml>') : ($simple->attributes($node) ?? new SimpleXMLElement('<xml></xml>'));
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}
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private static function getSxml(?SimpleXMLElement $simple): SimpleXMLElement
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{
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return ($simple !== null) ? $simple : new SimpleXMLElement('<xml></xml>');
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}
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}
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