tokslaw7
93 lines
2.3 KiB
PHP
93 lines
2.3 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of PHP CS Fixer.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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* Dariusz Rumiński <dariusz.ruminski@gmail.com>
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*
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* This source file is subject to the MIT license that is bundled
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* with this source code in the file LICENSE.
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*/
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namespace PhpCsFixer\Fixer;
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use PhpCsFixer\Preg;
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use PhpCsFixer\Tokenizer\Tokens;
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/**
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* @internal
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*/
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trait Indentation
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{
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private function getLineIndentation(Tokens $tokens, int $index): string
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{
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$newlineTokenIndex = $this->getPreviousNewlineTokenIndex($tokens, $index);
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if (null === $newlineTokenIndex) {
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return '';
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}
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return $this->extractIndent($this->computeNewLineContent($tokens, $newlineTokenIndex));
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}
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private function extractIndent(string $content): string
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{
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if (Preg::match('/\R(\h*)[^\r\n]*$/D', $content, $matches)) {
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return $matches[1];
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}
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return '';
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}
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private function getPreviousNewlineTokenIndex(Tokens $tokens, int $index): ?int
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{
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while ($index > 0) {
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$index = $tokens->getPrevTokenOfKind($index, [[T_WHITESPACE], [T_INLINE_HTML]]);
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if (null === $index) {
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break;
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}
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if ($this->isNewLineToken($tokens, $index)) {
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return $index;
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}
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}
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return null;
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}
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private function computeNewLineContent(Tokens $tokens, int $index): string
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{
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$content = $tokens[$index]->getContent();
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if (0 !== $index && $tokens[$index - 1]->equalsAny([[T_OPEN_TAG], [T_CLOSE_TAG]])) {
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$content = Preg::replace('/\S/', '', $tokens[$index - 1]->getContent()).$content;
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}
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return $content;
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}
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private function isNewLineToken(Tokens $tokens, int $index): bool
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{
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$token = $tokens[$index];
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if (
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$token->isGivenKind(T_OPEN_TAG)
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&& isset($tokens[$index + 1])
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&& !$tokens[$index + 1]->isWhitespace()
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&& Preg::match('/\R/', $token->getContent())
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) {
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return true;
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}
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if (!$tokens[$index]->isGivenKind([T_WHITESPACE, T_INLINE_HTML])) {
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return false;
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}
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return (bool) Preg::match('/\R/', $this->computeNewLineContent($tokens, $index));
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}
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}
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