mirror of https://github.com/rectorphp/rector.git
75 lines
2.0 KiB
PHP
75 lines
2.0 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\CodeQuality\Rector\NotEqual;
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use PhpParser\Node;
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use PhpParser\Node\Expr\BinaryOp\NotEqual;
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use Rector\NodeTypeResolver\Node\AttributeKey;
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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 https://stackoverflow.com/a/4294663/1348344
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* @see \Rector\Tests\CodeQuality\Rector\NotEqual\CommonNotEqualRector\CommonNotEqualRectorTest
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*/
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final class CommonNotEqualRector extends AbstractRector
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{
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public function getRuleDefinition() : RuleDefinition
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{
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return new RuleDefinition('Use common != instead of less known <> with same meaning', [new CodeSample(<<<'CODE_SAMPLE'
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final class SomeClass
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{
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public function run($one, $two)
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{
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return $one <> $two;
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}
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}
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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final class SomeClass
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{
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public function run($one, $two)
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{
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return $one != $two;
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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 [NotEqual::class];
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}
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/**
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* @param NotEqual $node
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*/
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public function refactor(Node $node) : ?NotEqual
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{
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if (!$this->doesNotEqualContainsShipCompareToken($node)) {
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return null;
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}
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// invoke override to default "!="
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$node->setAttribute(AttributeKey::ORIGINAL_NODE, null);
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return $node;
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}
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private function doesNotEqualContainsShipCompareToken(NotEqual $notEqual) : bool
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{
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$tokenStartPos = $notEqual->getStartTokenPos();
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$tokenEndPos = $notEqual->getEndTokenPos();
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for ($i = $tokenStartPos; $i < $tokenEndPos; ++$i) {
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$token = $this->file->getOldTokens()[$i];
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if (!isset($token[1])) {
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continue;
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}
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if ($token[1] === '<>') {
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return \true;
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}
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}
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return \false;
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}
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}
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