80 lines
1.5 KiB
PHP
80 lines
1.5 KiB
PHP
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<?php
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/**
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* @brief Uninstaller, a plugin for Dotclear 2
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*
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* @package Dotclear
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* @subpackage Plugin
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*
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* @author Jean-Christian Denis and Contributors
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*
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* @copyright Jean-Christian Denis
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* @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
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*/
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declare(strict_types=1);
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namespace Dotclear\Plugin\Uninstaller;
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use Countable;
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use Iterator;
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/**
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* Cleaner actions cleaners stack.
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*
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* @implements Iterator<int,ActionDescriptor>
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*/
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class ActionsCleanersStack implements Countable, Iterator
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{
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/** @var array<int,ActionDescriptor> $stack The stack */
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private array $stack = [];
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public function exists(int $offset): bool
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{
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return isset($this->stack[$offset]);
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}
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public function get(int $offset): ?ActionDescriptor
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{
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return $this->stack[$offset] ?? null;
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}
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public function set(ActionDescriptor $value): void
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{
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$this->stack[] = $value;
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}
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public function unset(int $offset): void
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{
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unset($this->stack[$offset]);
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}
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public function rewind(): void
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{
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reset($this->stack);
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}
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public function current(): false|ActionDescriptor
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{
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return current($this->stack);
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}
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public function key(): ?int
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{
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return key($this->stack);
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}
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public function next(): void
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{
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next($this->stack);
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}
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public function valid(): bool
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{
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return key($this->stack) !== null;
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}
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public function count(): int
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{
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return count($this->stack);
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}
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}
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