mirror of https://github.com/rectorphp/rector.git
85 lines
2.5 KiB
PHP
85 lines
2.5 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\CodeQuality\Rector\FuncCall;
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use RectorPrefix202403\Nette\Utils\Strings;
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use PhpParser\Node;
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use PhpParser\Node\Scalar\String_;
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use Rector\NodeNameResolver\Regex\RegexPatternDetector;
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use Rector\Rector\AbstractRector;
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use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
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use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
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/**
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* @changelog http://php.net/manual/en/function.preg-match.php#105924
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*
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* @see \Rector\Tests\CodeQuality\Rector\FuncCall\SimplifyRegexPatternRector\SimplifyRegexPatternRectorTest
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*/
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final class SimplifyRegexPatternRector extends AbstractRector
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{
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/**
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* @readonly
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* @var \Rector\NodeNameResolver\Regex\RegexPatternDetector
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*/
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private $regexPatternDetector;
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/**
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* @var array<string, string>
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*/
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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'];
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public function __construct(RegexPatternDetector $regexPatternDetector)
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{
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$this->regexPatternDetector = $regexPatternDetector;
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}
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public function getRuleDefinition() : RuleDefinition
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{
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return new RuleDefinition('Simplify regex pattern to known ranges', [new CodeSample(<<<'CODE_SAMPLE'
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class SomeClass
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{
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public function run($value)
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{
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preg_match('#[a-zA-Z0-9+]#', $value);
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}
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}
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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class SomeClass
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{
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public function run($value)
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{
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preg_match('#[\w\d+]#', $value);
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}
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}
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CODE_SAMPLE
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)]);
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}
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/**
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* @return array<class-string<Node>>
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*/
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public function getNodeTypes() : array
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{
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return [String_::class];
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}
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/**
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* @param String_ $node
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*/
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public function refactor(Node $node) : ?Node
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{
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if (!$this->regexPatternDetector->isRegexPattern($node->value)) {
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return null;
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}
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foreach (self::COMPLEX_PATTERN_TO_SIMPLE as $complexPattern => $simple) {
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$originalValue = $node->value;
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$simplifiedValue = Strings::replace($node->value, '#' . \preg_quote($complexPattern, '#') . '#', $simple);
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if ($originalValue === $simplifiedValue) {
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continue;
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}
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if (\strpos($originalValue, '[^' . $complexPattern) !== \false) {
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continue;
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}
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$node->value = $simplifiedValue;
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return $node;
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}
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return null;
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}
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}
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