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<?php |
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declare(strict_types=1); |
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namespace League\Emoji\Extension\Twemoji; |
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use League\Configuration\ConfigurationAwareInterface; |
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use League\Configuration\ConfigurationInterface; |
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use League\Emoji\EmojiConverterInterface; |
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use League\Emoji\Event\DocumentParsedEvent; |
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use League\Emoji\Node\Emoji; |
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use League\Emoji\Node\Image; |
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use League\Emoji\Node\Node; |
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use League\Emoji\Util\HtmlElement; |
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/** |
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* Replaces emojis with Twemoji images. |
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*/ |
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final class TwemojiProcessor implements ConfigurationAwareInterface |
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{ |
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public const CONVERSION_TYPE = 'twemoji'; |
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/** |
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* @var ConfigurationInterface |
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* |
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* @psalm-readonly-allow-private-mutation |
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* @psalm-suppress PropertyNotSetInConstructor |
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*/ |
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private $config; |
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public function __invoke(DocumentParsedEvent $e): void |
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{ |
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foreach ($e->getDocument()->getNodes() as $node) { |
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// Only convert types that are set to "twemoji". |
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if (! ($node instanceof Emoji) || $node->hexcode === null || $this->getConversionType($node) !== self::CONVERSION_TYPE) { |
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continue; |
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} |
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$twemoji = $this->getTwemojiImage($node); |
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$node->replaceWith($twemoji); |
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} |
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} |
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protected function addClassesToNode(Node $node, ?string ...$classes): void |
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{ |
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$prefix = $this->getClassPrefix(); |
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$classes = \array_map(static function (string $class) use ($prefix) { |
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return HtmlElement::cleanCssIdentifier($prefix . $class); |
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}, \array_filter($classes)); |
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$classes = \array_unique(\array_filter(\array_merge($this->getClasses(), $classes))); |
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$node->addClass(...$classes); |
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} |
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/** @return string[] */ |
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protected function getClasses(): array |
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{ |
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/** @var string[] $classes */ |
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$classes = (array) $this->config->get('twemoji.classes'); |
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return $classes; |
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} |
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protected function getClassPrefix(): string |
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{ |
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return (string) $this->config->get('twemoji.classPrefix'); |
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} |
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protected function getConversionType(Emoji $emoji): ?string |
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{ |
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$parsedType = $emoji->getParsedType(); |
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$configPath = 'convert.' . (EmojiConverterInterface::TYPES[$parsedType] ?? ''); |
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$conversionType = null; |
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if ($this->config->exists($configPath)) { |
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$conversionType = (string) ($this->config->get($configPath) ?? ''); |
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} |
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return $conversionType; |
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} |
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protected function getImageType(): string |
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{ |
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return (string) $this->config->get('twemoji.type'); |
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} |
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/** @return int|float|string|null */ |
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protected function getSize() |
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{ |
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/** @var int|float|string|null $size */ |
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$size = $this->config->get('twemoji.size'); |
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return $size; |
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} |
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protected function getTwemojiImage(Emoji $emoji): Image |
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{ |
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$image = new Image($emoji->getParsedValue(), $emoji, $this->getUrl((string) $emoji->hexcode), $emoji->annotation, $emoji->annotation); |
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$this->addClassesToNode($image, $emoji->annotation); |
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// Ensure image isn't massive and relative to its surroundings by inlining it. |
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$size = $this->getSize(); |
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if ($this->isInline()) { |
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if ($size === null) { |
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$size = '1em'; |
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} elseif (! \is_string($size)) { |
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$size .= 'em'; |
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} |
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$image->setAttribute('style', \sprintf('width: %s; height: %s; vertical-align: middle;', $size, $size)); |
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} elseif ($size !== null) { |
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$image->setAttribute('height', (string) $size); |
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$image->setAttribute('width', (string) $size); |
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} |
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return $image; |
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} |
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protected function getUrl(string $hexcode): string |
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{ |
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return \sprintf( |
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'%s/%s/%s.%s', |
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$this->getUrlBase(), |
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($imageType = $this->getImageType()) === 'png' ? '72x72' : 'svg', |
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\strtolower($hexcode), |
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$imageType |
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); |
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} |
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protected function getUrlBase(): string |
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{ |
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return (string) $this->config->get('twemoji.urlBase'); |
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} |
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protected function isInline(): bool |
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{ |
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return (bool) $this->config->get('twemoji.inline'); |
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} |
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public function setConfiguration(ConfigurationInterface $configuration): void |
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{ |
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$this->config = $configuration; |
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} |
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} |
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unicorn-fail /
emoji
