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<?php
/*
* This file is part of PHP CS Fixer.
*
* (c) Fabien Potencier <fabien@symfony.com>
* Dariusz Rumiński <dariusz.ruminski@gmail.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace PhpCsFixer\Fixer\Casing;
use PhpCsFixer\AbstractFixer;
use PhpCsFixer\FixerDefinition\CodeSample;
use PhpCsFixer\FixerDefinition\FixerDefinition;
use PhpCsFixer\FixerDefinition\VersionSpecification;
use PhpCsFixer\FixerDefinition\VersionSpecificCodeSample;
use PhpCsFixer\Tokenizer\Token;
use PhpCsFixer\Tokenizer\Tokens;
/**
* @author Kuba Werłos <werlos@gmail.com>
*/
final class LowercaseStaticReferenceFixer extends AbstractFixer
{
/**
* {@inheritdoc}
*/
public function getDefinition()
{
return new FixerDefinition(
'Class static references `self`, `static` and `parent` MUST be in lower case.',
[
new CodeSample('<?php
class Foo extends Bar
{
public function baz1()
{
return STATIC::baz2();
}
public function baz2($x)
{
return $x instanceof Self;
}
public function baz3(PaRent $x)
{
return true;
}
}
'),
new VersionSpecificCodeSample(
'<?php
class Foo extends Bar
{
public function baz(?self $x) : SELF
{
return false;
}
}
',
new VersionSpecification(71000)
),
]
);
}
public function isCandidate(Tokens $tokens)
{
return $tokens->isAnyTokenKindsFound([T_STATIC, T_STRING]);
}
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
{
foreach ($tokens as $index => $token) {
if (!$token->equalsAny([[T_STRING, 'self'], [T_STATIC, 'static'], [T_STRING, 'parent']], false)) {
continue;
}
$newContent = strtolower($token->getContent());
if ($token->getContent() === $newContent) {
continue; // case is already correct
}
$prevIndex = $tokens->getPrevMeaningfulToken($index);
if ($tokens[$prevIndex]->isGivenKind([T_CONST, T_DOUBLE_COLON, T_FUNCTION, T_NAMESPACE, T_NS_SEPARATOR, T_OBJECT_OPERATOR, T_PRIVATE, T_PROTECTED, T_PUBLIC])) {
continue;
}
$nextIndex = $tokens->getNextMeaningfulToken($index);
if ($tokens[$nextIndex]->isGivenKind([T_FUNCTION, T_NS_SEPARATOR, T_PRIVATE, T_PROTECTED, T_PUBLIC])) {
continue;
}
if ('static' === $newContent && $tokens[$nextIndex]->isGivenKind(T_VARIABLE)) {
continue;
}
$tokens[$index] = new Token([$token->getId(), $newContent]);
}
}
}