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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\ControlStructure;
use PhpCsFixer\AbstractFixer;
use PhpCsFixer\FixerDefinition\CodeSample;
use PhpCsFixer\FixerDefinition\FixerDefinition;
use PhpCsFixer\Tokenizer\Token;
use PhpCsFixer\Tokenizer\Tokens;
/**
* Fixer for rules defined in PSR2 ¶5.2.
*
* @author SpacePossum
*/
final class SwitchCaseSemicolonToColonFixer extends AbstractFixer
{
/**
* {@inheritdoc}
*/
public function getDefinition()
{
return new FixerDefinition(
'A case should be followed by a colon and not a semicolon.',
[
new CodeSample(
'<?php
switch ($a) {
case 1;
break;
default;
break;
}
'
),
]
);
}
/**
* {@inheritdoc}
*/
public function isCandidate(Tokens $tokens)
{
return $tokens->isAnyTokenKindsFound([T_CASE, T_DEFAULT]);
}
/**
* {@inheritdoc}
*/
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
{
foreach ($tokens as $index => $token) {
if ($token->isGivenKind([T_CASE, T_DEFAULT])) {
$this->fixSwitchCase($tokens, $index);
}
}
}
/**
* @param Tokens $tokens
* @param int $index
*/
protected function fixSwitchCase(Tokens $tokens, $index)
{
$ternariesCount = 0;
do {
if ($tokens[$index]->equalsAny(['(', '{'])) { // skip constructs
$type = Tokens::detectBlockType($tokens[$index]);
$index = $tokens->findBlockEnd($type['type'], $index);
continue;
}
if ($tokens[$index]->equals('?')) {
++$ternariesCount;
continue;
}
if ($tokens[$index]->equalsAny([':', ';'])) {
if (0 === $ternariesCount) {
break;
}
--$ternariesCount;
}
} while (++$index);
if ($tokens[$index]->equals(';')) {
$tokens[$index] = new Token(':');
}
}
}