50 lines
1.2 KiB
PHP
50 lines
1.2 KiB
PHP
<?php declare(strict_types = 1);
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namespace SlevomatCodingStandard\Helpers;
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use Closure;
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use PHP_CodeSniffer\Files\File;
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use function array_key_exists;
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use function sprintf;
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/**
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* @internal
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*/
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final class SniffLocalCache
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{
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/**
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* @phpcsSuppress SlevomatCodingStandard.TypeHints.DisallowMixedTypeHint
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* @var array<int, array<string, mixed>>
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*/
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private static $cache = [];
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/**
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* @phpcsSuppress SlevomatCodingStandard.TypeHints.DisallowMixedTypeHint
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* @return mixed
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*/
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public static function getAndSetIfNotCached(File $phpcsFile, string $key, Closure $lazyValue)
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{
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$fixerLoops = $phpcsFile->fixer !== null ? $phpcsFile->fixer->loops : 0;
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$internalKey = sprintf('%s-%s', $phpcsFile->getFilename(), $key);
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self::setIfNotCached($fixerLoops, $internalKey, $lazyValue);
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return self::$cache[$fixerLoops][$internalKey] ?? null;
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}
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private static function setIfNotCached(int $fixerLoops, string $internalKey, Closure $lazyValue): void
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{
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if (array_key_exists($fixerLoops, self::$cache) && array_key_exists($internalKey, self::$cache[$fixerLoops])) {
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return;
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}
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self::$cache[$fixerLoops][$internalKey] = $lazyValue();
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if ($fixerLoops > 0) {
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unset(self::$cache[$fixerLoops - 1]);
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}
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}
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}
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