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<?php declare(strict_types = 1); |
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namespace Spaghetti\XLSXParser; |
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use XMLReader; |
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use function in_array; |
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use function preg_match; |
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/** |
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* @internal |
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*/ |
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final class Styles extends AbstractXMLDictionary |
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{ |
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public const FORMAT_DATE = 1; |
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private const FORMAT_DEFAULT = 0; |
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private const CELL_XFS = 'cellXfs'; |
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private const NUM_FORMAT = 'numFmt'; |
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private const NUM_FORMAT_ID = 'numFmtId'; |
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private const FORMAT_CODE = 'formatCode'; |
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private const XF = 'xf'; |
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private array $nativeDateFormats = [14, 15, 16, 17, 18, 19, 20, 21, 22, ]; |
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private array $numberFormats = []; |
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private bool $inXfs = false; |
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private bool $needsRewind; |
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protected function readNext(): void |
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{ |
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$xml = $this->getXMLReader(); |
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while ($xml->read()) { |
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if ($this->processCellXfs(xml: $xml)) { |
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continue; |
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} |
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$this->xfs(xml: $xml); |
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} |
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$this->valid = false; |
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$this->closeXMLReader(); |
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} |
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protected function createXMLReader(): XMLReader |
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{ |
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$xml = parent::createXMLReader(); |
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$this->needsRewind = false; |
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while ($xml->read()) { |
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$this->process(xml: $xml); |
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} |
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return $this->processRewind(xml: $xml); |
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} |
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private function processCellXfs(XMLReader $xml): bool |
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{ |
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if (self::CELL_XFS === $xml->name) { |
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return match ($xml->nodeType) { |
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XMLReader::END_ELEMENT => true, |
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XMLReader::ELEMENT => $this->inXfs = true, |
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default => false, |
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}; |
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} |
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return false; |
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} |
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private function processRewind(XMLReader $xml): XMLReader |
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{ |
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if ($this->needsRewind) { |
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$xml->close(); |
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$xml = parent::createXMLReader(); |
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} |
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return $xml; |
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} |
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private function xfs(XMLReader $xml): void |
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{ |
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if ($this->inXfs && XMLReader::ELEMENT === $xml->nodeType && self::XF === $xml->name) { |
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$this->values[] = $this->getValue(fmtId: (int) $xml->getAttribute(name: self::NUM_FORMAT_ID)); |
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} |
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} |
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private function process(XMLReader $xml): void |
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{ |
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if (XMLReader::ELEMENT === $xml->nodeType) { |
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match ($xml->name) { |
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self::NUM_FORMAT => $this->numberFormats[$xml->getAttribute(name: self::NUM_FORMAT_ID)] = $this->matchDateFormat(xml: $xml), |
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self::CELL_XFS => $this->needsRewind = true, |
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default => null, |
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}; |
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} |
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} |
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private function matchDateFormat(XMLReader $xml): int |
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{ |
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return preg_match(pattern: '{^(\[\$[[:alpha:]]*-[0-9A-F]*\])*[hmsdy]}i', subject: $xml->getAttribute(name: self::FORMAT_CODE)) ? self::FORMAT_DATE : self::FORMAT_DEFAULT; |
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} |
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private function getValue(int $fmtId): int |
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{ |
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return match (true) { |
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in_array(needle: $fmtId, haystack: $this->nativeDateFormats, strict: true) => self::FORMAT_DATE, |
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isset($this->numberFormats[$fmtId]) => $this->numberFormats[$fmtId], |
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default => self::FORMAT_DEFAULT, |
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}; |
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} |
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} |
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spaghettisolutions /
xlsx-parser
