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<?php |
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declare(strict_types=1); |
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namespace League\Emoji\Lexer; |
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use Doctrine\Common\Lexer\AbstractLexer; |
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use League\Emoji\Emojibase\EmojibaseRegexInterface; |
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use League\Emoji\Environment\EnvironmentInterface; |
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use League\Emoji\Exception\UnexpectedEncodingException; |
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class EmojiLexer extends AbstractLexer implements EmojibaseRegexInterface |
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{ |
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public const T_TEXT = 0; |
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public const T_EMOTICON = 1; |
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public const T_HTML_ENTITY = 2; |
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public const T_SHORTCODE = 3; |
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public const T_UNICODE = 4; |
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public const TYPES = [ |
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self::T_TEXT, |
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self::T_EMOTICON, |
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self::T_HTML_ENTITY, |
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self::T_SHORTCODE, |
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self::T_UNICODE, |
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]; |
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/** @var EnvironmentInterface */ |
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private $environment; |
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public function __construct(EnvironmentInterface $environment) |
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{ |
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$this->environment = $environment; |
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} |
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/** |
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* {@inheritDoc} |
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* |
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* @return string[] |
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*/ |
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protected function getCatchablePatterns() |
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{ |
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$config = $this->environment->getConfiguration(); |
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$patterns = []; |
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if ($config->get('convert.unicode')) { |
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$patterns[] = self::CODEPOINT_EMOJI_LOOSE_REGEX; |
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} |
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if ($config->get('convert.htmlEntity')) { |
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$patterns[] = self::HTML_ENTITY_REGEX; |
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} |
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if ($config->get('convert.shortcode')) { |
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$patterns[] = $this->environment->getRuntimeDataset()->isNative() |
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? self::SHORTCODE_NATIVE_REGEX |
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: self::SHORTCODE_REGEX; |
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} |
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if ($config->get('convert.emoticon')) { |
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$patterns[] = self::EMOTICON_REGEX; |
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} |
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return static::cleanPatterns($patterns); |
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} |
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/** |
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* @param string[] $patterns |
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* |
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* @return string[] |
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*/ |
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protected static function cleanPatterns(array $patterns): array |
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{ |
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// Some regex patterns from the constants include the delimiter and modifiers. Because the |
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// lexer joins these expressions together as an OR group (|), they must be removed. |
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foreach ($patterns as &$pattern) { |
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$pattern = \trim(\rtrim($pattern, 'imsxeADSUXJu'), '/'); |
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} |
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return $patterns; |
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} |
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/** |
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* {@inheritDoc} |
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* |
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* @return string[] |
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*/ |
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protected function getNonCatchablePatterns() |
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{ |
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return []; |
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} |
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/** |
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* {@inheritDoc} |
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* |
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* @param string $value |
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* |
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* @return int |
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* |
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* @noinspection PhpParameterByRefIsNotUsedAsReferenceInspection |
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*/ |
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protected function getType(&$value) |
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{ |
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if (\preg_match($this->environment->getRuntimeDataset()->isNative() ? self::SHORTCODE_NATIVE_REGEX : self::SHORTCODE_REGEX, $value)) { |
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return self::T_SHORTCODE; |
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} |
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if (\preg_match(self::EMOTICON_REGEX, $value)) { |
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return self::T_EMOTICON; |
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} |
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if (\preg_match(self::CODEPOINT_EMOJI_LOOSE_REGEX, $value)) { |
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return self::T_UNICODE; |
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} |
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if (\preg_match(self::HTML_ENTITY_REGEX, $value)) { |
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return self::T_HTML_ENTITY; |
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} |
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return self::T_TEXT; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function setInput($input): void |
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{ |
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if (! \mb_check_encoding($input, 'UTF-8')) { |
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throw new UnexpectedEncodingException('Unexpected encoding - UTF-8 or ASCII was expected'); |
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} |
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parent::setInput($input); |
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} |
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} |
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unicorn-fail /
emoji
