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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\Operator;
use PhpCsFixer\AbstractFixer;
use PhpCsFixer\FixerDefinition\CodeSample;
use PhpCsFixer\FixerDefinition\FixerDefinition;
use PhpCsFixer\Tokenizer\Tokens;
use PhpCsFixer\Tokenizer\TokensAnalyzer;
/**
* @author Gregor Harlan <gharlan@web.de>
*/
final class UnaryOperatorSpacesFixer extends AbstractFixer
{
/**
* {@inheritdoc}
*/
public function getDefinition()
{
return new FixerDefinition(
'Unary operators should be placed adjacent to their operands.',
[new CodeSample("<?php\n\$sample ++;\n-- \$sample;\n\$sample = ! ! \$a;\n\$sample = ~ \$c;\nfunction & foo(){}\n")]
);
}
/**
* {@inheritdoc}
*/
public function isCandidate(Tokens $tokens)
{
return true;
}
/**
* {@inheritdoc}
*/
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
{
$tokensAnalyzer = new TokensAnalyzer($tokens);
for ($index = $tokens->count() - 1; $index >= 0; --$index) {
if ($tokensAnalyzer->isUnarySuccessorOperator($index)) {
if (!$tokens[$tokens->getPrevNonWhitespace($index)]->isComment()) {
$tokens->removeLeadingWhitespace($index);
}
continue;
}
if ($tokensAnalyzer->isUnaryPredecessorOperator($index)) {
$tokens->removeTrailingWhitespace($index);
continue;
}
}
}
}