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8af1a1213f
1e052f5883
[cleanup] Make use of getArgs(), remove ignored from phpstan (#3771)
99 lines
3.0 KiB
PHP
99 lines
3.0 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\Php70\Rector\FuncCall;
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use PhpParser\Node;
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use PhpParser\Node\Arg;
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use PhpParser\Node\Expr\FuncCall;
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use PhpParser\Node\Scalar\LNumber;
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use Rector\Core\Rector\AbstractRector;
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use Rector\Core\ValueObject\PhpVersionFeature;
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use Rector\VersionBonding\Contract\MinPhpVersionInterface;
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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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* @see \Rector\Tests\Php70\Rector\FuncCall\MultiDirnameRector\MultiDirnameRectorTest
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*/
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final class MultiDirnameRector extends AbstractRector implements MinPhpVersionInterface
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{
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/**
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* @var string
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*/
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private const DIRNAME = 'dirname';
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/**
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* @var int
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*/
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private $nestingLevel = 0;
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public function getRuleDefinition() : RuleDefinition
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{
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return new RuleDefinition('Changes multiple dirname() calls to one with nesting level', [new CodeSample('dirname(dirname($path));', 'dirname($path, 2);')]);
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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 [FuncCall::class];
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}
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/**
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* @param FuncCall $node
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*/
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public function refactor(Node $node) : ?Node
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{
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$this->nestingLevel = 0;
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if (!$this->isName($node, self::DIRNAME)) {
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return null;
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}
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$activeFuncCallNode = $node;
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$lastFuncCallNode = $node;
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while (($activeFuncCallNode = $this->matchNestedDirnameFuncCall($activeFuncCallNode)) instanceof FuncCall) {
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$lastFuncCallNode = $activeFuncCallNode;
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}
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// nothing to improve
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if ($this->shouldSkip()) {
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return null;
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}
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$node->args[0] = $lastFuncCallNode->args[0];
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$node->args[1] = new Arg(new LNumber($this->nestingLevel));
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return $node;
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}
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public function provideMinPhpVersion() : int
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{
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return PhpVersionFeature::DIRNAME_LEVELS;
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}
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private function shouldSkip() : bool
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{
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return $this->nestingLevel < 2;
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}
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private function matchNestedDirnameFuncCall(FuncCall $funcCall) : ?FuncCall
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{
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if (!$this->isName($funcCall, self::DIRNAME)) {
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return null;
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}
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$args = $funcCall->getArgs();
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if (\count($args) >= 3) {
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return null;
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}
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// dirname($path, <LEVEL>);
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if (\count($args) === 2) {
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if (!$args[1]->value instanceof LNumber) {
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return null;
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}
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/** @var LNumber $levelNumber */
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$levelNumber = $args[1]->value;
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$this->nestingLevel += $levelNumber->value;
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} else {
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++$this->nestingLevel;
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}
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$nestedFuncCallNode = $args[0]->value;
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if (!$nestedFuncCallNode instanceof FuncCall) {
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return null;
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}
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if ($this->isName($nestedFuncCallNode, self::DIRNAME)) {
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return $nestedFuncCallNode;
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}
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return null;
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}
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}
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