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CastSpacesFixer.php
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CastSpacesFixer.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\CastNotation;
use PhpCsFixer\AbstractFixer;
use PhpCsFixer\Fixer\ConfigurableFixerInterface;
use PhpCsFixer\FixerConfiguration\FixerConfigurationResolver;
use PhpCsFixer\FixerConfiguration\FixerConfigurationResolverInterface;
use PhpCsFixer\FixerConfiguration\FixerOptionBuilder;
use PhpCsFixer\FixerDefinition\CodeSample;
use PhpCsFixer\FixerDefinition\FixerDefinition;
use PhpCsFixer\FixerDefinition\FixerDefinitionInterface;
use PhpCsFixer\Tokenizer\Token;
use PhpCsFixer\Tokenizer\Tokens;
/**
* @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
*/
final class CastSpacesFixer extends AbstractFixer implements ConfigurableFixerInterface
{
private const INSIDE_CAST_SPACE_REPLACE_MAP = [
' ' => '',
"\t" => '',
"\n" => '',
"\r" => '',
"\0" => '',
"\x0B" => '',
];
public function getDefinition(): FixerDefinitionInterface
{
return new FixerDefinition(
'A single space or none should be between cast and variable.',
[
new CodeSample(
"<?php\n\$bar = ( string ) \$a;\n\$foo = (int)\$b;\n"
),
new CodeSample(
"<?php\n\$bar = ( string ) \$a;\n\$foo = (int)\$b;\n",
['space' => 'single']
),
new CodeSample(
"<?php\n\$bar = ( string ) \$a;\n\$foo = (int) \$b;\n",
['space' => 'none']
),
]
);
}
/**
* {@inheritdoc}
*
* Must run after NoShortBoolCastFixer.
*/
public function getPriority(): int
{
return -10;
}
public function isCandidate(Tokens $tokens): bool
{
return $tokens->isAnyTokenKindsFound(Token::getCastTokenKinds());
}
protected function applyFix(\SplFileInfo $file, Tokens $tokens): void
{
foreach ($tokens as $index => $token) {
if (!$token->isCast()) {
continue;
}
$tokens[$index] = new Token([
$token->getId(),
strtr($token->getContent(), self::INSIDE_CAST_SPACE_REPLACE_MAP),
]);
if ('single' === $this->configuration['space']) {
// force single whitespace after cast token:
if ($tokens[$index + 1]->isWhitespace(" \t")) {
// - if next token is whitespaces that contains only spaces and tabs - override next token with single space
$tokens[$index + 1] = new Token([T_WHITESPACE, ' ']);
} elseif (!$tokens[$index + 1]->isWhitespace()) {
// - if next token is not whitespaces that contains spaces, tabs and new lines - append single space to current token
$tokens->insertAt($index + 1, new Token([T_WHITESPACE, ' ']));
}
continue;
}
// force no whitespace after cast token:
if ($tokens[$index + 1]->isWhitespace()) {
$tokens->clearAt($index + 1);
}
}
}
protected function createConfigurationDefinition(): FixerConfigurationResolverInterface
{
return new FixerConfigurationResolver([
(new FixerOptionBuilder('space', 'Spacing to apply between cast and variable.'))
->setAllowedValues(['none', 'single'])
->setDefault('single')
->getOption(),
]);
}
}