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<?php
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declare(strict_types=1);
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namespace OpenSpout\Writer\ODS\Manager\Style;
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use OpenSpout\Common\Entity\Style\Style;
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use OpenSpout\Writer\Common\Manager\Style\AbstractStyleRegistry as CommonStyleRegistry;
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/**
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* @internal
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*/
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final class StyleRegistry extends CommonStyleRegistry
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{
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/** @var array<string, bool> [FONT_NAME] => [] Map whose keys contain all the fonts used */
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private array $usedFontsSet = [];
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/**
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* Registers the given style as a used style.
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* Duplicate styles won't be registered more than once.
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*
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* @param Style $style The style to be registered
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*
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* @return Style the registered style, updated with an internal ID
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*/
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public function registerStyle(Style $style): Style
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{
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if ($style->isRegistered()) {
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return $style;
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}
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$registeredStyle = parent::registerStyle($style);
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$this->usedFontsSet[$style->getFontName()] = true;
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return $registeredStyle;
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}
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/**
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* @return string[] List of used fonts name
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*/
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public function getUsedFonts(): array
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{
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return array_keys($this->usedFontsSet);
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}
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}
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