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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\NamespaceNotation;
use PhpCsFixer\AbstractFixer;
use PhpCsFixer\Fixer\WhitespacesAwareFixerInterface;
use PhpCsFixer\FixerDefinition\CodeSample;
use PhpCsFixer\FixerDefinition\FixerDefinition;
use PhpCsFixer\Tokenizer\Token;
use PhpCsFixer\Tokenizer\Tokens;
/**
* Fixer for rules defined in PSR2 ¶3.
*
* @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
*/
final class BlankLineAfterNamespaceFixer extends AbstractFixer implements WhitespacesAwareFixerInterface
{
/**
* {@inheritdoc}
*/
public function getDefinition()
{
return new FixerDefinition(
'There MUST be one blank line after the namespace declaration.',
[
new CodeSample("<?php\nnamespace Sample\\Sample;\n\n\n\$a;\n"),
new CodeSample("<?php\nnamespace Sample\\Sample;\nClass Test{}\n"),
]
);
}
/**
* {@inheritdoc}
*/
public function getPriority()
{
// should be run after the NoUnusedImportsFixer
return -20;
}
/**
* {@inheritdoc}
*/
public function isCandidate(Tokens $tokens)
{
return $tokens->isTokenKindFound(T_NAMESPACE);
}
/**
* {@inheritdoc}
*/
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
{
$ending = $this->whitespacesConfig->getLineEnding();
$lastIndex = $tokens->count() - 1;
for ($index = $lastIndex; $index >= 0; --$index) {
$token = $tokens[$index];
if (!$token->isGivenKind(T_NAMESPACE)) {
continue;
}
$semicolonIndex = $tokens->getNextTokenOfKind($index, [';', '{', [T_CLOSE_TAG]]);
$semicolonToken = $tokens[$semicolonIndex];
if (!isset($tokens[$semicolonIndex + 1]) || !$semicolonToken->equals(';')) {
continue;
}
$nextIndex = $semicolonIndex + 1;
$nextToken = $tokens[$nextIndex];
if (!$nextToken->isWhitespace()) {
$tokens->insertAt($semicolonIndex + 1, new Token([T_WHITESPACE, $ending.$ending]));
} else {
$tokens[$nextIndex] = new Token([
T_WHITESPACE,
($nextIndex === $lastIndex ? $ending : $ending.$ending).ltrim($nextToken->getContent()),
]);
}
}
}
}