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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the league/commonmark package. |
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* |
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* (c) Colin O'Dell <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace League\CommonMark\Extension\FrontMatter; |
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use League\CommonMark\Environment\EnvironmentBuilderInterface; |
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use League\CommonMark\Event\DocumentPreParsedEvent; |
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use League\CommonMark\Event\DocumentRenderedEvent; |
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use League\CommonMark\Extension\ExtensionInterface; |
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use League\CommonMark\Extension\FrontMatter\Data\FrontMatterDataParserInterface; |
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use League\CommonMark\Extension\FrontMatter\Data\LibYamlFrontMatterParser; |
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use League\CommonMark\Extension\FrontMatter\Data\SymfonyYamlFrontMatterParser; |
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use League\CommonMark\Extension\FrontMatter\Listener\FrontMatterPostRenderListener; |
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use League\CommonMark\Extension\FrontMatter\Listener\FrontMatterPreParser; |
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final class FrontMatterExtension implements ExtensionInterface |
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{ |
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/** @psalm-readonly */ |
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private FrontMatterParserInterface $frontMatterParser; |
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public function __construct(?FrontMatterDataParserInterface $dataParser = null) |
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{ |
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$this->frontMatterParser = new FrontMatterParser($dataParser ?? LibYamlFrontMatterParser::capable() ?? new SymfonyYamlFrontMatterParser()); |
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} |
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public function getFrontMatterParser(): FrontMatterParserInterface |
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{ |
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return $this->frontMatterParser; |
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} |
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public function register(EnvironmentBuilderInterface $environment): void |
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{ |
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$environment->addEventListener(DocumentPreParsedEvent::class, new FrontMatterPreParser($this->frontMatterParser)); |
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$environment->addEventListener(DocumentRenderedEvent::class, new FrontMatterPostRenderListener(), -500); |
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} |
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} |
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thephpleague /
commonmark
