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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\ArrayNotation;
use PhpCsFixer\AbstractFixer;
use PhpCsFixer\FixerDefinition\CodeSample;
use PhpCsFixer\FixerDefinition\FixerDefinition;
use PhpCsFixer\Tokenizer\CT;
use PhpCsFixer\Tokenizer\Tokens;
use PhpCsFixer\Tokenizer\TokensAnalyzer;
/**
* @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
* @author Sebastiaan Stok <s.stok@rollerscapes.net>
*/
final class NoTrailingCommaInSinglelineArrayFixer extends AbstractFixer
{
/**
* {@inheritdoc}
*/
public function getDefinition()
{
return new FixerDefinition(
'PHP single-line arrays should not have trailing comma.',
[new CodeSample("<?php\n\$a = array('sample', );\n")]
);
}
/**
* {@inheritdoc}
*/
public function isCandidate(Tokens $tokens)
{
return $tokens->isAnyTokenKindsFound([T_ARRAY, CT::T_ARRAY_SQUARE_BRACE_OPEN]);
}
/**
* {@inheritdoc}
*/
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
{
$tokensAnalyzer = new TokensAnalyzer($tokens);
for ($index = 0, $c = $tokens->count(); $index < $c; ++$index) {
if ($tokensAnalyzer->isArray($index)) {
$this->fixArray($tokens, $index);
}
}
}
/**
* @param Tokens $tokens
* @param int $index
*/
private function fixArray(Tokens $tokens, $index)
{
$tokensAnalyzer = new TokensAnalyzer($tokens);
if ($tokensAnalyzer->isArrayMultiLine($index)) {
return;
}
$startIndex = $index;
if ($tokens[$startIndex]->isGivenKind(T_ARRAY)) {
$startIndex = $tokens->getNextTokenOfKind($startIndex, ['(']);
$endIndex = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $startIndex);
} else {
$endIndex = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_ARRAY_SQUARE_BRACE, $startIndex);
}
$beforeEndIndex = $tokens->getPrevMeaningfulToken($endIndex);
$beforeEndToken = $tokens[$beforeEndIndex];
if ($beforeEndToken->equals(',')) {
$tokens->removeTrailingWhitespace($beforeEndIndex);
$tokens->clearAt($beforeEndIndex);
}
}
}