107 lines
2.8 KiB
PHP
107 lines
2.8 KiB
PHP
<?php declare(strict_types = 1);
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namespace SlevomatCodingStandard\Helpers;
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use PHP_CodeSniffer\Files\File;
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use function in_array;
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use function ltrim;
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use function preg_replace_callback;
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use function rtrim;
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use function str_repeat;
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use function strlen;
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use function substr;
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use const T_END_HEREDOC;
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use const T_END_NOWDOC;
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use const T_START_HEREDOC;
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use const T_START_NOWDOC;
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/**
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* @internal
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*/
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class IndentationHelper
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{
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public const DEFAULT_INDENTATION_WIDTH = 4;
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public const TAB_INDENT = "\t";
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public const SPACES_INDENT = ' ';
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public static function getIndentation(File $phpcsFile, int $pointer): string
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{
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$firstPointerOnLine = TokenHelper::findFirstTokenOnLine($phpcsFile, $pointer);
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return TokenHelper::getContent($phpcsFile, $firstPointerOnLine, $pointer - 1);
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}
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public static function addIndentation(string $indentation, int $level = 1): string
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{
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$whitespace = self::getOneIndentationLevel($indentation);
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return $indentation . str_repeat($whitespace, $level);
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}
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public static function getOneIndentationLevel(string $indentation): string
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{
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return $indentation === ''
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? self::TAB_INDENT
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: ($indentation[0] === self::TAB_INDENT ? self::TAB_INDENT : self::SPACES_INDENT);
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}
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/**
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* @param list<int> $codePointers
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*/
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public static function fixIndentation(File $phpcsFile, array $codePointers, string $defaultIndentation): string
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{
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$tokens = $phpcsFile->getTokens();
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$eolLength = strlen($phpcsFile->eolChar);
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$code = '';
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$inHeredoc = false;
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foreach ($codePointers as $no => $codePointer) {
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$content = $tokens[$codePointer]['content'];
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if (
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!$inHeredoc
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&& (
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$no === 0
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|| substr($tokens[$codePointer - 1]['content'], -$eolLength) === $phpcsFile->eolChar
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)
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) {
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if ($content === $phpcsFile->eolChar) {
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// Nothing
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} elseif ($content[0] === self::TAB_INDENT) {
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$content = substr($content, 1);
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} elseif (substr($content, 0, self::DEFAULT_INDENTATION_WIDTH) === self::SPACES_INDENT) {
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$content = substr($content, self::DEFAULT_INDENTATION_WIDTH);
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} else {
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$content = $defaultIndentation . ltrim($content);
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}
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}
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if (in_array($tokens[$codePointer]['code'], [T_START_HEREDOC, T_START_NOWDOC], true)) {
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$inHeredoc = true;
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} elseif (in_array($tokens[$codePointer]['code'], [T_END_HEREDOC, T_END_NOWDOC], true)) {
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$inHeredoc = false;
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}
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$code .= $content;
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}
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return rtrim($code);
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}
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public static function convertTabsToSpaces(File $phpcsFile, string $code): string
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{
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return preg_replace_callback('~^(\t+)~', static function (array $matches) use ($phpcsFile): string {
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$indentation = str_repeat(
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' ',
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$phpcsFile->config->tabWidth !== 0 ? $phpcsFile->config->tabWidth : self::DEFAULT_INDENTATION_WIDTH
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);
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return str_repeat($indentation, strlen($matches[1]));
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}, $code);
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}
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}
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