2019-03-11 08:57:56 +00:00
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<?php declare(strict_types=1);
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namespace Rector\CodeQuality\Rector\FuncCall;
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2019-03-11 12:28:41 +00:00
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use Nette\Utils\Strings;
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2019-03-11 08:57:56 +00:00
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use PhpParser\Node;
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use PhpParser\Node\Expr\FuncCall;
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use PhpParser\Node\Scalar\String_;
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2019-03-11 12:28:41 +00:00
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use Rector\Php\Regex\RegexPatternArgumentManipulator;
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2019-03-11 08:57:56 +00:00
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use Rector\Rector\AbstractRector;
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use Rector\RectorDefinition\CodeSample;
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use Rector\RectorDefinition\RectorDefinition;
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/**
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* @see http://php.net/manual/en/function.preg-match.php#105924
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*/
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final class SimplifyRegexPatternRector extends AbstractRector
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{
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2019-03-11 12:28:41 +00:00
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/**
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* @var string[]
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*/
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private $complexPatternToSimple = [
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'[0-9]' => '\d',
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'[a-zA-Z0-9_]' => '\w',
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2019-03-31 11:34:42 +00:00
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'[A-Za-z0-9_]' => '\w',
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'[0-9a-zA-Z_]' => '\w',
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'[0-9A-Za-z_]' => '\w',
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2019-03-11 12:28:41 +00:00
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'[\r\n\t\f\v ]' => '\s',
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];
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/**
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* @var RegexPatternArgumentManipulator
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*/
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private $regexPatternArgumentManipulator;
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public function __construct(RegexPatternArgumentManipulator $regexPatternArgumentManipulator)
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{
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$this->regexPatternArgumentManipulator = $regexPatternArgumentManipulator;
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}
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2019-03-11 08:57:56 +00:00
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public function getDefinition(): RectorDefinition
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{
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return new RectorDefinition('Simplify regex pattern to known ranges', [
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new CodeSample(
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<<<'CODE_SAMPLE'
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class SomeClass
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{
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public function run($value)
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{
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preg_match('#[a-zA-Z0-9+]#', $value);
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}
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}
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CODE_SAMPLE
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,
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<<<'CODE_SAMPLE'
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class SomeClass
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{
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public function run($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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/**
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* @return string[]
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*/
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public function getNodeTypes(): array
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{
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2019-03-31 11:34:42 +00:00
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return [FuncCall::class, Node\Expr\StaticCall::class];
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2019-03-11 08:57:56 +00:00
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}
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/**
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2019-03-31 11:34:42 +00:00
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* @param FuncCall|Node\Expr\StaticCall $node
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2019-03-11 08:57:56 +00:00
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*/
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public function refactor(Node $node): ?Node
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{
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2019-03-11 12:28:41 +00:00
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$pattern = $this->regexPatternArgumentManipulator->matchCallArgumentWithRegexPattern($node);
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2019-03-11 08:57:56 +00:00
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if (! $pattern instanceof String_) {
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return null;
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}
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2019-03-11 12:28:41 +00:00
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foreach ($this->complexPatternToSimple as $complexPattern => $simple) {
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2019-03-31 11:34:42 +00:00
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$pattern->value = Strings::replace($pattern->value, '#' . preg_quote($complexPattern, '#') . '#', $simple);
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2019-03-11 12:28:41 +00:00
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}
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2019-03-11 08:57:56 +00:00
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return $node;
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}
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}
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