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<?php |
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declare(strict_types = 1); |
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/** |
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* Contains trait ContainerArrayAccessTrait. |
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* |
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* PHP version 7.0+ |
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* |
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* LICENSE: |
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* This file is part of Yet Another Php Eve Api Library also know as Yapeal |
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* which can be used to access the Eve Online API data and place it into a |
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* database. |
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* Copyright (C) 2016 Michael Cummings |
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* |
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* This program is free software: you can redistribute it and/or modify it |
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* under the terms of the GNU Lesser General Public License as published by the |
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* Free Software Foundation, either version 3 of the License, or (at your |
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* option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License |
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* for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, see |
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* <http://spdx.org/licenses/LGPL-3.0.html>. |
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* |
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* You should be able to find a copy of this license in the COPYING-LESSER.md |
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* file. A copy of the GNU GPL should also be available in the COPYING.md file. |
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* |
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* @author Michael Cummings <[email protected]> |
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* @copyright 2016 Michael Cummings |
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* @license LGPL-3.0+ |
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*/ |
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namespace Yapeal\Container; |
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/** |
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* Trait ContainerArrayAccessTrait. |
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* |
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* @property array $values |
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* @property \SplObjectStorage $factories |
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* @property bool[] $frozen |
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* @property bool[] $keys |
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* @property \SplObjectStorage $protected |
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* @property mixed[] $raw |
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*/ |
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trait ContainerArrayAccessTrait |
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{ |
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/** |
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* Checks if a parameter or an object is set. |
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* |
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* @param string|int $id The unique identifier for the parameter or object |
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* |
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* @return bool |
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*/ |
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public function offsetExists($id): bool |
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{ |
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return array_key_exists($id, $this->keys); |
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} |
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/** |
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* Gets a parameter or an object. |
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* |
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* @param string|int $id The unique identifier for the parameter or object |
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* |
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* @return mixed The value of the parameter or an object |
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* |
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* @throws \InvalidArgumentException if the identifier is not defined |
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*/ |
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public function offsetGet($id) |
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{ |
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if (!$this->offsetExists($id)) { |
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throw new \InvalidArgumentException(sprintf('Identifier "%s" is not defined.', $id)); |
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} |
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if (array_key_exists($id, $this->raw) |
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|| !is_object($this->values[$id]) |
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|| isset($this->protected[$this->values[$id]]) |
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|| !method_exists($this->values[$id], '__invoke') |
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) { |
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return $this->values[$id]; |
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} |
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if (isset($this->factories[$this->values[$id]])) { |
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return $this->values[$id]($this); |
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} |
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$raw = $this->values[$id]; |
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$val = $this->values[$id] = $raw($this); |
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$this->raw[$id] = $raw; |
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$this->frozen[$id] = true; |
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return $val; |
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} |
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/** |
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* Sets a parameter or an object. |
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* |
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* Objects must be defined as Closures. |
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* |
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* Allowing any PHP callable leads to difficult to debug problems |
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* as function names (strings) are callable (creating a function with |
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* the same name as an existing parameter would break your container). |
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* |
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* @param string|int $id The unique identifier for the parameter or object |
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* @param mixed $value The value of the parameter or a closure to define an object |
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* |
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* @throws \RuntimeException Prevent override of a frozen service |
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*/ |
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public function offsetSet($id, $value) |
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{ |
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if (array_key_exists($id, $this->frozen)) { |
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throw new \RuntimeException(sprintf('Cannot override frozen service "%s".', $id)); |
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} |
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$this->values[$id] = $value; |
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$this->keys[$id] = true; |
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} |
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/** |
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* Un-sets a parameter or an object. |
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* |
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* @param string|int $id The unique identifier for the parameter or object |
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*/ |
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public function offsetUnset($id) |
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{ |
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if ($this->offsetExists($id)) { |
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if (is_object($this->values[$id])) { |
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unset($this->factories[$this->values[$id]], $this->protected[$this->values[$id]]); |
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} |
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unset($this->values[$id], $this->frozen[$id], $this->raw[$id], $this->keys[$id]); |
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} |
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} |
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} |
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Yapeal /
yapeal-ng
