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<?php declare (strict_types=1); namespace Rector\CodeQuality\Rector\FuncCall; use RectorPrefix202208\Nette\Utils\Strings; use PhpParser\Node; use PhpParser\Node\Expr\FuncCall; use PhpParser\Node\Expr\StaticCall; use Rector\Core\Php\Regex\RegexPatternArgumentManipulator; use Rector\Core\Rector\AbstractRector; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @changelog http://php.net/manual/en/function.preg-match.php#105924 * * @see \Rector\Tests\CodeQuality\Rector\FuncCall\SimplifyRegexPatternRector\SimplifyRegexPatternRectorTest */ final class SimplifyRegexPatternRector extends AbstractRector { /** * @var array<string, string> */ private const COMPLEX_PATTERN_TO_SIMPLE = ['[0-9]' => '\\d', '[a-zA-Z0-9_]' => '\\w', '[A-Za-z0-9_]' => '\\w', '[0-9a-zA-Z_]' => '\\w', '[0-9A-Za-z_]' => '\\w', '[\\r\\n\\t\\f\\v ]' => '\\s']; /** * @readonly * @var \Rector\Core\Php\Regex\RegexPatternArgumentManipulator */ private $regexPatternArgumentManipulator; public function __construct(RegexPatternArgumentManipulator $regexPatternArgumentManipulator) { $this->regexPatternArgumentManipulator = $regexPatternArgumentManipulator; } public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Simplify regex pattern to known ranges', [new CodeSample(<<<'CODE_SAMPLE' class SomeClass { public function run($value) { preg_match('#[a-zA-Z0-9+]#', $value); } } CODE_SAMPLE , <<<'CODE_SAMPLE' class SomeClass { public function run($value) { preg_match('#[\w\d+]#', $value); } } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [FuncCall::class, StaticCall::class]; } /** * @param FuncCall|StaticCall $node */ public function refactor(Node $node) : ?Node { $patterns = $this->regexPatternArgumentManipulator->matchCallArgumentWithRegexPattern($node); if ($patterns === []) { return null; } $hasChanged = \false; foreach ($patterns as $pattern) { foreach (self::COMPLEX_PATTERN_TO_SIMPLE as $complexPattern => $simple) { $originalValue = $pattern->value; $simplifiedValue = Strings::replace($pattern->value, '#' . \preg_quote($complexPattern, '#') . '#', $simple); if ($originalValue === $simplifiedValue) { continue; } $pattern->value = $simplifiedValue; $hasChanged = \true; } } if ($hasChanged) { return $node; } return null; } }
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