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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\Comment;
use PhpCsFixer\AbstractFixer;
use PhpCsFixer\Fixer\ConfigurationDefinitionFixerInterface;
use PhpCsFixer\FixerConfiguration\AllowedValueSubset;
use PhpCsFixer\FixerConfiguration\FixerConfigurationResolver;
use PhpCsFixer\FixerConfiguration\FixerOptionBuilder;
use PhpCsFixer\FixerDefinition\CodeSample;
use PhpCsFixer\FixerDefinition\FixerDefinition;
use PhpCsFixer\Preg;
use PhpCsFixer\Tokenizer\Token;
use PhpCsFixer\Tokenizer\Tokens;
/**
* @author Filippo Tessarotto <zoeslam@gmail.com>
*/
final class SingleLineCommentStyleFixer extends AbstractFixer implements ConfigurationDefinitionFixerInterface
{
/**
* @var bool
*/
private $asteriskEnabled;
/**
* @var bool
*/
private $hashEnabled;
/**
* {@inheritdoc}
*/
public function configure(array $configuration = null)
{
parent::configure($configuration);
$this->asteriskEnabled = \in_array('asterisk', $this->configuration['comment_types'], true);
$this->hashEnabled = \in_array('hash', $this->configuration['comment_types'], true);
}
/**
* {@inheritdoc}
*/
public function getDefinition()
{
return new FixerDefinition(
'Single-line comments and multi-line comments with only one line of actual content should use the `//` syntax.',
[
new CodeSample(
'<?php
/* asterisk comment */
$a = 1;
# hash comment
$b = 2;
/*
* multi-line
* comment
*/
$c = 3;
'
),
new CodeSample(
'<?php
/* first comment */
$a = 1;
/*
* second comment
*/
$b = 2;
/*
* third
* comment
*/
$c = 3;
',
['comment_types' => ['asterisk']]
),
new CodeSample(
"<?php # comment\n",
['comment_types' => ['hash']]
),
]
);
}
/**
* {@inheritdoc}
*/
public function isCandidate(Tokens $tokens)
{
return $tokens->isTokenKindFound(T_COMMENT);
}
/**
* {@inheritdoc}
*/
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
{
foreach ($tokens as $index => $token) {
if (!$token->isGivenKind(T_COMMENT)) {
continue;
}
$content = $token->getContent();
$commentContent = substr($content, 2, -2) ?: '';
if ($this->hashEnabled && '#' === $content[0]) {
$tokens[$index] = new Token([$token->getId(), '//'.substr($content, 1)]);
continue;
}
if (
!$this->asteriskEnabled
|| false !== strpos($commentContent, '?>')
|| '/*' !== substr($content, 0, 2)
|| 1 === Preg::match('/[^\s\*].*\R.*[^\s\*]/s', $commentContent)
) {
continue;
}
$nextTokenIndex = $index + 1;
if (isset($tokens[$nextTokenIndex])) {
$nextToken = $tokens[$nextTokenIndex];
if (!$nextToken->isWhitespace() || 1 !== Preg::match('/\R/', $nextToken->getContent())) {
continue;
}
$tokens[$nextTokenIndex] = new Token([$nextToken->getId(), ltrim($nextToken->getContent(), " \t")]);
}
$content = '//';
if (1 === Preg::match('/[^\s\*]/', $commentContent)) {
$content = '// '.Preg::replace('/[\s\*]*([^\s\*](?:.+[^\s\*])?)[\s\*]*/', '\1', $commentContent);
}
$tokens[$index] = new Token([$token->getId(), $content]);
}
}
/**
* {@inheritdoc}
*/
protected function createConfigurationDefinition()
{
return new FixerConfigurationResolver([
(new FixerOptionBuilder('comment_types', 'List of comment types to fix'))
->setAllowedTypes(['array'])
->setAllowedValues([new AllowedValueSubset(['asterisk', 'hash'])])
->setDefault(['asterisk', 'hash'])
->getOption(),
]);
}
}