tokslaw7
138 lines
3.5 KiB
PHP
138 lines
3.5 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\Cache;
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/**
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* @author Andreas Möller <am@localheinz.com>
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*
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* @internal
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*/
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final class Cache implements CacheInterface
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{
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private SignatureInterface $signature;
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/**
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* @var array<string, string>
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*/
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private array $hashes = [];
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public function __construct(SignatureInterface $signature)
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{
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$this->signature = $signature;
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}
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public function getSignature(): SignatureInterface
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{
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return $this->signature;
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}
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public function has(string $file): bool
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{
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return \array_key_exists($file, $this->hashes);
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}
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public function get(string $file): ?string
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{
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if (!$this->has($file)) {
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return null;
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}
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return $this->hashes[$file];
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}
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public function set(string $file, string $hash): void
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{
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$this->hashes[$file] = $hash;
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}
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public function clear(string $file): void
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{
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unset($this->hashes[$file]);
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}
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public function toJson(): string
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{
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$json = json_encode([
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'php' => $this->getSignature()->getPhpVersion(),
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'version' => $this->getSignature()->getFixerVersion(),
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'indent' => $this->getSignature()->getIndent(),
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'lineEnding' => $this->getSignature()->getLineEnding(),
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'rules' => $this->getSignature()->getRules(),
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'hashes' => $this->hashes,
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]);
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if (JSON_ERROR_NONE !== json_last_error()) {
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throw new \UnexpectedValueException(sprintf(
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'Cannot encode cache signature to JSON, error: "%s". If you have non-UTF8 chars in your signature, like in license for `header_comment`, consider enabling `ext-mbstring` or install `symfony/polyfill-mbstring`.',
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json_last_error_msg()
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));
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}
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return $json;
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}
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/**
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* @throws \InvalidArgumentException
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*/
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public static function fromJson(string $json): self
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{
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$data = json_decode($json, true);
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if (null === $data && JSON_ERROR_NONE !== json_last_error()) {
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throw new \InvalidArgumentException(sprintf(
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'Value needs to be a valid JSON string, got "%s", error: "%s".',
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$json,
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json_last_error_msg()
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));
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}
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$requiredKeys = [
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'php',
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'version',
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'indent',
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'lineEnding',
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'rules',
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'hashes',
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];
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$missingKeys = array_diff_key(array_flip($requiredKeys), $data);
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if (\count($missingKeys) > 0) {
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throw new \InvalidArgumentException(sprintf(
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'JSON data is missing keys "%s"',
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implode('", "', $missingKeys)
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));
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}
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$signature = new Signature(
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$data['php'],
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$data['version'],
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$data['indent'],
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$data['lineEnding'],
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$data['rules']
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);
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$cache = new self($signature);
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$cache->hashes = array_map(function ($v): string {
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// before v3.11.1 the hashes were crc32 encoded and saved as integers
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// @TODO: remove the to string cast/array_map in v4.0
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return \is_int($v) ? (string) $v : $v;
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}, $data['hashes']);
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return $cache;
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}
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}
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