rector/rules/Transform/Rector/String_/ToStringToMethodCallRector.php

91 lines
2.9 KiB
PHP

<?php
declare (strict_types=1);
namespace Rector\Transform\Rector\String_;
use PhpParser\Node;
use PhpParser\Node\Expr\Cast\String_;
use PhpParser\Node\Expr\MethodCall;
use PhpParser\Node\Identifier;
use PHPStan\Type\ObjectType;
use Rector\Core\Contract\Rector\ConfigurableRectorInterface;
use Rector\Core\Rector\AbstractRector;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\ConfiguredCodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
use RectorPrefix202302\Webmozart\Assert\Assert;
/**
* @see \Rector\Tests\Transform\Rector\String_\ToStringToMethodCallRector\ToStringToMethodCallRectorTest
*/
final class ToStringToMethodCallRector extends AbstractRector implements ConfigurableRectorInterface
{
/**
* @var array<string, string>
*/
private $methodNamesByType = [];
public function getRuleDefinition() : RuleDefinition
{
return new RuleDefinition('Turns defined code uses of "__toString()" method to specific method calls.', [new ConfiguredCodeSample(<<<'CODE_SAMPLE'
$someValue = new SomeObject;
$result = (string) $someValue;
$result = $someValue->__toString();
CODE_SAMPLE
, <<<'CODE_SAMPLE'
$someValue = new SomeObject;
$result = $someValue->getPath();
$result = $someValue->getPath();
CODE_SAMPLE
, ['SomeObject' => 'getPath'])]);
}
/**
* @return array<class-string<Node>>
*/
public function getNodeTypes() : array
{
return [String_::class, MethodCall::class];
}
/**
* @param String_|MethodCall $node
*/
public function refactor(Node $node) : ?Node
{
if ($node instanceof String_) {
return $this->processStringNode($node);
}
return $this->processMethodCall($node);
}
/**
* @param mixed[] $configuration
*/
public function configure(array $configuration) : void
{
Assert::allString(\array_keys($configuration));
Assert::allString($configuration);
/** @var array<string, string> $configuration */
$this->methodNamesByType = $configuration;
}
private function processStringNode(String_ $string) : ?Node
{
foreach ($this->methodNamesByType as $type => $methodName) {
if (!$this->isObjectType($string->expr, new ObjectType($type))) {
continue;
}
return $this->nodeFactory->createMethodCall($string->expr, $methodName);
}
return null;
}
private function processMethodCall(MethodCall $methodCall) : ?Node
{
foreach ($this->methodNamesByType as $type => $methodName) {
if (!$this->isObjectType($methodCall->var, new ObjectType($type))) {
continue;
}
if (!$this->isName($methodCall->name, '__toString')) {
continue;
}
$methodCall->name = new Identifier($methodName);
return $methodCall;
}
return null;
}
}