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NoMultipleStatementsPerLineFixer.php
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NoMultipleStatementsPerLineFixer.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\Basic;
use PhpCsFixer\AbstractFixer;
use PhpCsFixer\Fixer\Indentation;
use PhpCsFixer\Fixer\WhitespacesAwareFixerInterface;
use PhpCsFixer\FixerDefinition\CodeSample;
use PhpCsFixer\FixerDefinition\FixerDefinition;
use PhpCsFixer\FixerDefinition\FixerDefinitionInterface;
use PhpCsFixer\Preg;
use PhpCsFixer\Tokenizer\Tokens;
/**
* Fixer for rules defined in PSR2 ¶2.3 Lines: There must not be more than one statement per line.
*/
final class NoMultipleStatementsPerLineFixer extends AbstractFixer implements WhitespacesAwareFixerInterface
{
use Indentation;
public function getDefinition(): FixerDefinitionInterface
{
return new FixerDefinition(
'There must not be more than one statement per line.',
[new CodeSample("<?php\nfoo(); bar();\n")]
);
}
/**
* {@inheritdoc}
*
* Must run before BracesPositionFixer, CurlyBracesPositionFixer.
* Must run after ControlStructureBracesFixer, NoEmptyStatementFixer, YieldFromArrayToYieldsFixer.
*/
public function getPriority(): int
{
return -1;
}
public function isCandidate(Tokens $tokens): bool
{
return $tokens->isTokenKindFound(';');
}
protected function applyFix(\SplFileInfo $file, Tokens $tokens): void
{
for ($index = 1, $max = \count($tokens) - 1; $index < $max; ++$index) {
if ($tokens[$index]->isGivenKind(T_FOR)) {
$index = $tokens->findBlockEnd(
Tokens::BLOCK_TYPE_PARENTHESIS_BRACE,
$tokens->getNextTokenOfKind($index, ['('])
);
continue;
}
if (!$tokens[$index]->equals(';')) {
continue;
}
for ($nextIndex = $index + 1; $nextIndex < $max; ++$nextIndex) {
$token = $tokens[$nextIndex];
if ($token->isWhitespace() || $token->isComment()) {
if (Preg::match('/\R/', $token->getContent())) {
break;
}
continue;
}
if (!$token->equalsAny(['}', [T_CLOSE_TAG], [T_ENDIF], [T_ENDFOR], [T_ENDSWITCH], [T_ENDWHILE], [T_ENDFOREACH]])) {
$whitespaceIndex = $index;
do {
$token = $tokens[++$whitespaceIndex];
} while ($token->isComment());
$newline = $this->whitespacesConfig->getLineEnding().$this->getLineIndentation($tokens, $index);
if ($tokens->ensureWhitespaceAtIndex($whitespaceIndex, 0, $newline)) {
++$max;
}
}
break;
}
}
}
}