rector/rules/CodeQuality/Rector/LogicalAnd/LogicalToBooleanRector.php

67 lines
2.1 KiB
PHP

<?php
declare (strict_types=1);
namespace Rector\CodeQuality\Rector\LogicalAnd;
use PhpParser\Node;
use PhpParser\Node\Expr\BinaryOp\BooleanAnd;
use PhpParser\Node\Expr\BinaryOp\BooleanOr;
use PhpParser\Node\Expr\BinaryOp\LogicalAnd;
use PhpParser\Node\Expr\BinaryOp\LogicalOr;
use Rector\Rector\AbstractRector;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
/**
* @changelog https://stackoverflow.com/a/5998330/1348344
*
* @see \Rector\Tests\CodeQuality\Rector\LogicalAnd\LogicalToBooleanRector\LogicalToBooleanRectorTest
*/
final class LogicalToBooleanRector extends AbstractRector
{
public function getRuleDefinition() : RuleDefinition
{
return new RuleDefinition('Change OR, AND to ||, && with more common understanding', [new CodeSample(<<<'CODE_SAMPLE'
if ($f = false or true) {
return $f;
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
if (($f = false) || true) {
return $f;
}
CODE_SAMPLE
)]);
}
/**
* @return array<class-string<Node>>
*/
public function getNodeTypes() : array
{
return [LogicalOr::class, LogicalAnd::class];
}
/**
* @param LogicalOr|LogicalAnd $node
*/
public function refactor(Node $node) : ?Node
{
return $this->refactorLogicalToBoolean($node);
}
/**
* @param \PhpParser\Node\Expr\BinaryOp\LogicalOr|\PhpParser\Node\Expr\BinaryOp\LogicalAnd $node
* @return \PhpParser\Node\Expr\BinaryOp\BooleanAnd|\PhpParser\Node\Expr\BinaryOp\BooleanOr
*/
private function refactorLogicalToBoolean($node)
{
if ($node->left instanceof LogicalOr || $node->left instanceof LogicalAnd) {
$node->left = $this->refactorLogicalToBoolean($node->left);
}
if ($node->right instanceof LogicalOr || $node->right instanceof LogicalAnd) {
$node->right = $this->refactorLogicalToBoolean($node->right);
}
if ($node instanceof LogicalOr) {
return new BooleanOr($node->left, $node->right);
}
return new BooleanAnd($node->left, $node->right);
}
}