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<?php |
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namespace PhpUnitGen\Annotation; |
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use Doctrine\Common\Lexer\AbstractLexer; |
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use PhpUnitGen\Exception\Exception; |
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/** |
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* Class AnnotationLexer. |
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* |
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* @author Paul Thébaud <[email protected]>. |
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* @copyright 2017-2018 Paul Thébaud <[email protected]>. |
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* @license https://opensource.org/licenses/MIT The MIT license. |
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* @link https://github.com/paul-thebaud/phpunit-generator |
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* @since Class available since Release 2.0.0. |
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*/ |
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class AnnotationLexer extends AbstractLexer |
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{ |
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/** |
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* All possible tokens. |
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*/ |
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public const T_ANNOTATION = 0; |
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public const T_O_PARENTHESIS = 1; |
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public const T_C_PARENTHESIS = 2; |
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public const T_BACKSLASH = 3; |
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public const T_SINGLE_QUOTE = 4; |
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public const T_DOUBLE_QUOTE = 5; |
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public const T_ASTERISK = 6; |
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public const T_LINE_BREAK = 7; |
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public const T_WHITESPACE = 8; |
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public const T_OTHER = 9; |
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/** |
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* @var array PATTERNS_TOKENS Matching array between regex pattern and token. |
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*/ |
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public const PATTERNS_TOKENS = [ |
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'(@(?i)(PhpUnitGen|Pug)\\\\[a-zA-Z0-9]+)' => AnnotationLexer::T_ANNOTATION, |
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'(\()' => AnnotationLexer::T_O_PARENTHESIS, |
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'(\))' => AnnotationLexer::T_C_PARENTHESIS, |
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'(\\\\)' => AnnotationLexer::T_BACKSLASH, |
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'(\')' => AnnotationLexer::T_SINGLE_QUOTE, |
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'(")' => AnnotationLexer::T_DOUBLE_QUOTE, |
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'(\*)' => AnnotationLexer::T_ASTERISK, |
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'(\r|\n|\r\n|\n\r)' => AnnotationLexer::T_LINE_BREAK, |
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'(\s)' => AnnotationLexer::T_WHITESPACE, |
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'([^\\\\"\'\(\)\*\s]+)' => AnnotationLexer::T_OTHER, |
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]; |
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/** |
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* @var string[] $patterns Array containing regex patterns. |
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*/ |
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private $patterns; |
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/** |
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* Lexer constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->patterns = array_keys(AnnotationLexer::PATTERNS_TOKENS); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getCatchablePatterns(): array |
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{ |
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return $this->patterns; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getNonCatchablePatterns(): array |
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{ |
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return []; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getType(&$value): int |
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{ |
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foreach ($this->getPatternsToken() as $pattern => $token) { |
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if (preg_match($pattern, $value)) { |
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return $token; |
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} |
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} |
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throw new Exception('Invalid value given to lexer'); |
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} |
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/** |
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* @return array All matchable patterns with corresponding tokens identifiers. |
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*/ |
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protected function getPatternsToken(): array |
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{ |
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return AnnotationLexer::PATTERNS_TOKENS; |
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} |
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} |
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paul-thebaud /
phpunit-generator
