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<?php |
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declare(strict_types=1); |
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namespace UnicornFail\Emoji\Traits; |
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use UnicornFail\Emoji\Renderer\NodeRendererInterface; |
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use UnicornFail\Emoji\Util\PrioritizedList; |
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trait RenderableEnvironmentTrait |
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{ |
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/** |
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* @var array<string, PrioritizedList<NodeRendererInterface>> |
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* |
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* @psalm-readonly-allow-private-mutation |
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*/ |
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private $renderersByClass = []; |
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/** |
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* {@inheritDoc} |
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*/ |
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public function addRenderer(string $nodeClass, NodeRendererInterface $renderer, int $priority = 0) |
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{ |
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$this->assertUninitialized('Failed to add renderer.'); |
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if (! isset($this->renderersByClass[$nodeClass])) { |
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/** @var PrioritizedList<NodeRendererInterface> $renderers */ |
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$renderers = new PrioritizedList(); |
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$this->renderersByClass[$nodeClass] = $renderers; |
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} |
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$this->renderersByClass[$nodeClass]->add($renderer, $priority); |
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$this->injectEnvironmentAndConfigurationIfNeeded($renderer); |
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return $this; |
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} |
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/** |
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* {@inheritDoc} |
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* |
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* @return PrioritizedList<NodeRendererInterface> |
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*/ |
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public function getRenderersForClass(string $nodeClass): iterable |
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{ |
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$this->initialize(); |
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// If renderers are defined for this specific class, return them immediately |
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if (isset($this->renderersByClass[$nodeClass])) { |
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return $this->renderersByClass[$nodeClass]; |
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} |
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while (\class_exists($parent = $parent ?? $nodeClass) && $parent = \get_parent_class($parent)) { |
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if (! isset($this->renderersByClass[$parent])) { |
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continue; |
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} |
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// "Cache" this result to avoid future loops |
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return $this->renderersByClass[$nodeClass] = $this->renderersByClass[$parent]; |
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} |
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/** @var PrioritizedList<NodeRendererInterface> $renderers */ |
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$renderers = new PrioritizedList(); |
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return $renderers; |
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} |
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} |
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unicorn-fail /
emoji
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