Current File : /home/vacivi36/code/vendor/friendsofphp/php-cs-fixer/src/AbstractLinesBeforeNamespaceFixer.php
<?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;
use PhpCsFixer\Fixer\WhitespacesAwareFixerInterface;
use PhpCsFixer\Tokenizer\Token;
use PhpCsFixer\Tokenizer\Tokens;
/**
* This abstract fixer is responsible for ensuring that a certain number of
* lines prefix a namespace declaration.
*
* @author Graham Campbell <hello@gjcampbell.co.uk>
*
* @internal
*/
abstract class AbstractLinesBeforeNamespaceFixer extends AbstractFixer implements WhitespacesAwareFixerInterface
{
/**
* Make sure # of line breaks prefixing namespace is within given range.
*
* @param int $expectedMin min. # of line breaks
* @param int $expectedMax max. # of line breaks
*/
protected function fixLinesBeforeNamespace(Tokens $tokens, int $index, int $expectedMin, int $expectedMax): void
{
// Let's determine the total numbers of new lines before the namespace
// and the opening token
$openingTokenIndex = null;
$precedingNewlines = 0;
$newlineInOpening = false;
$openingToken = null;
for ($i = 1; $i <= 2; ++$i) {
if (isset($tokens[$index - $i])) {
$token = $tokens[$index - $i];
if ($token->isGivenKind(T_OPEN_TAG)) {
$openingToken = $token;
$openingTokenIndex = $index - $i;
$newlineInOpening = str_contains($token->getContent(), "\n");
if ($newlineInOpening) {
++$precedingNewlines;
}
break;
}
if (false === $token->isGivenKind(T_WHITESPACE)) {
break;
}
$precedingNewlines += substr_count($token->getContent(), "\n");
}
}
if ($precedingNewlines >= $expectedMin && $precedingNewlines <= $expectedMax) {
return;
}
$previousIndex = $index - 1;
$previous = $tokens[$previousIndex];
if (0 === $expectedMax) {
// Remove all the previous new lines
if ($previous->isWhitespace()) {
$tokens->clearAt($previousIndex);
}
// Remove new lines in opening token
if ($newlineInOpening) {
$tokens[$openingTokenIndex] = new Token([T_OPEN_TAG, rtrim($openingToken->getContent()).' ']);
}
return;
}
$lineEnding = $this->whitespacesConfig->getLineEnding();
$newlinesForWhitespaceToken = $expectedMax;
if (null !== $openingToken) {
// Use the configured line ending for the PHP opening tag
$content = rtrim($openingToken->getContent());
$newContent = $content.$lineEnding;
$tokens[$openingTokenIndex] = new Token([T_OPEN_TAG, $newContent]);
--$newlinesForWhitespaceToken;
}
if (0 === $newlinesForWhitespaceToken) {
// We have all the needed new lines in the opening tag
if ($previous->isWhitespace()) {
// Let's remove the previous token containing extra new lines
$tokens->clearAt($previousIndex);
}
return;
}
if ($previous->isWhitespace()) {
// Fix the previous whitespace token
$tokens[$previousIndex] = new Token([T_WHITESPACE, str_repeat($lineEnding, $newlinesForWhitespaceToken).substr($previous->getContent(), strrpos($previous->getContent(), "\n") + 1)]);
} else {
// Add a new whitespace token
$tokens->insertAt($index, new Token([T_WHITESPACE, str_repeat($lineEnding, $newlinesForWhitespaceToken)]));
}
}
}
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