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NoSinglelineWhitespaceBeforeSemicolonsFixer.php
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/
NoSinglelineWhitespaceBeforeSemicolonsFixer.php
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<?php
declare(strict_types=1);
/*
* 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\Semicolon;
use PhpCsFixer\AbstractFixer;
use PhpCsFixer\FixerDefinition\CodeSample;
use PhpCsFixer\FixerDefinition\FixerDefinition;
use PhpCsFixer\FixerDefinition\FixerDefinitionInterface;
use PhpCsFixer\Tokenizer\Tokens;
/**
* @author Graham Campbell <hello@gjcampbell.co.uk>
*/
final class NoSinglelineWhitespaceBeforeSemicolonsFixer extends AbstractFixer
{
/**
* {@inheritdoc}
*/
public function getDefinition(): FixerDefinitionInterface
{
return new FixerDefinition(
'Single-line whitespace before closing semicolon are prohibited.',
[new CodeSample("<?php \$this->foo() ;\n")]
);
}
/**
* {@inheritdoc}
*
* Must run after CombineConsecutiveIssetsFixer, FunctionToConstantFixer, NoEmptyStatementFixer, NoUnneededImportAliasFixer, SimplifiedIfReturnFixer, SingleImportPerStatementFixer.
*/
public function getPriority(): int
{
return 0;
}
/**
* {@inheritdoc}
*/
public function isCandidate(Tokens $tokens): bool
{
return $tokens->isTokenKindFound(';');
}
/**
* {@inheritdoc}
*/
protected function applyFix(\SplFileInfo $file, Tokens $tokens): void
{
foreach ($tokens as $index => $token) {
if (!$token->equals(';') || !$tokens[$index - 1]->isWhitespace(" \t")) {
continue;
}
if ($tokens[$index - 2]->equals(';')) {
// do not remove all whitespace before the semicolon because it is also whitespace after another semicolon
$tokens->ensureWhitespaceAtIndex($index - 1, 0, ' ');
} elseif (!$tokens[$index - 2]->isComment()) {
$tokens->clearAt($index - 1);
}
}
}
}