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<?php |
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namespace kalanis\kw_storage\Storage\Target; |
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use kalanis\kw_storage\Interfaces\IStTranslations; |
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use kalanis\kw_storage\Interfaces\Target\ITargetFlat; |
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use kalanis\kw_storage\StorageException; |
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use kalanis\kw_storage\Traits\TLang; |
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use Traversable; |
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/** |
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* Class Memory |
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* @package kalanis\kw_storage\Storage\Target |
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* Store content onto memory - TEMPORARY |
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*/ |
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class Memory implements ITargetFlat |
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{ |
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use TOperations; |
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use TLang; |
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/** @var array<string, string> */ |
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protected array $data = []; |
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public function __construct(?IStTranslations $lang = null) |
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{ |
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$this->setStLang($lang); |
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} |
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public function check(string $key): bool |
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{ |
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return true; |
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} |
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public function exists(string $key): bool |
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{ |
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return isset($this->data[$key]); |
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} |
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public function load(string $key): string |
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{ |
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if (!$this->exists($key)) { |
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throw new StorageException($this->getStLang()->stCannotReadKey()); |
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} |
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return $this->data[$key]; |
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} |
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public function save(string $key, string $data, ?int $timeout = null): bool |
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{ |
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$this->data[$key] = $data; |
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return true; |
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} |
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public function remove(string $key): bool |
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{ |
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if ($this->exists($key)) { |
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unset($this->data[$key]); |
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} |
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return true; |
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} |
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public function lookup(string $path): Traversable |
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{ |
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$keyLen = mb_strlen($path); |
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foreach ($this->data as $file => $entry) { |
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if (boolval($keyLen) && (0 === mb_strpos($file, $path))) { |
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yield mb_substr($file, $keyLen); |
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} elseif (!boolval($keyLen)) { |
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yield $file; |
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} |
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} |
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} |
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public function increment(string $key, int $step = 1): bool |
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{ |
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if ($this->exists($key)) { |
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$number = intval($this->load($key)) + $step; |
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} else { |
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$number = 1; |
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} |
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return $this->save($key, strval($number)); |
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} |
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public function decrement(string $key, int $step = 1): bool |
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{ |
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if ($this->exists($key)) { |
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$number = intval($this->load($key)) - $step; |
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} else { |
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$number = 0; |
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} |
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return $this->save($key, strval($number)); |
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} |
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} |
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alex-kalanis /
kw_storage
