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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\Whitespace;
use PhpCsFixer\AbstractFixer;
use PhpCsFixer\FixerDefinition\CodeSample;
use PhpCsFixer\FixerDefinition\FixerDefinition;
use PhpCsFixer\Tokenizer\Tokens;
/**
* Fixer for rules defined in PSR2 ¶4.3, ¶4.6, ¶5.
*
* @author Marc Aubé
* @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
*/
final class NoSpacesInsideParenthesisFixer extends AbstractFixer
{
/**
* {@inheritdoc}
*/
public function getDefinition()
{
return new FixerDefinition(
'There MUST NOT be a space after the opening parenthesis. There MUST NOT be a space before the closing parenthesis.',
[
new CodeSample("<?php\nif ( \$a ) {\n foo( );\n}\n"),
new CodeSample(
"<?php
function foo( \$bar, \$baz )
{
}\n"
),
]
);
}
/**
* {@inheritdoc}
*/
public function getPriority()
{
// must run before FunctionToConstantFixer
return 2;
}
/**
* {@inheritdoc}
*/
public function isCandidate(Tokens $tokens)
{
return $tokens->isTokenKindFound('(');
}
/**
* {@inheritdoc}
*/
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
{
foreach ($tokens as $index => $token) {
if (!$token->equals('(')) {
continue;
}
$prevIndex = $tokens->getPrevMeaningfulToken($index);
// ignore parenthesis for T_ARRAY
if (null !== $prevIndex && $tokens[$prevIndex]->isGivenKind(T_ARRAY)) {
continue;
}
$endIndex = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $index);
// remove space after opening `(`
if (!$tokens[$tokens->getNextNonWhitespace($index)]->isComment()) {
$this->removeSpaceAroundToken($tokens, $index + 1);
}
// remove space before closing `)` if it is not `list($a, $b, )` case
if (!$tokens[$tokens->getPrevMeaningfulToken($endIndex)]->equals(',')) {
$this->removeSpaceAroundToken($tokens, $endIndex - 1);
}
}
}
/**
* Remove spaces from token at a given index.
*
* @param Tokens $tokens
* @param int $index
*/
private function removeSpaceAroundToken(Tokens $tokens, $index)
{
$token = $tokens[$index];
if ($token->isWhitespace() && false === strpos($token->getContent(), "\n")) {
$tokens->clearAt($index);
}
}
}