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<?php |
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declare(strict_types=1); |
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/** |
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* Caridea |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not |
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* use this file except in compliance with the License. You may obtain a copy of |
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* the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
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* License for the specific language governing permissions and limitations under |
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* the License. |
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* |
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* @copyright 2015-2018 LibreWorks contributors |
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* @license Apache-2.0 |
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*/ |
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namespace Caridea\Container; |
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/** |
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* Dependency injection container that only has runtime configuration. |
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* |
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* This container is meant to be used as a parent to a container which has |
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* real objects in it. Since this one is intended to hold configuration, you |
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* should really only add scalar types and arrays. However, it's certainly |
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* possible to add object instances. |
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* |
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* @copyright 2015-2018 LibreWorks contributors |
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* @license Apache-2.0 |
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*/ |
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class Properties extends AbstractContainer |
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{ |
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/** |
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* @var array The stored properties |
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*/ |
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protected $values = []; |
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/** |
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* Creates a container with static configuration properties. |
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* |
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* Null values are silently ignored. |
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* |
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* ``` |
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* $props = new \Caridea\Container\Properties([ |
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* 'db.host' => 'example.com', |
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* 'db.port' => 1337, |
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* 'db.user' => 'dba', |
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* 'cache.holder' => new \SplObjectStorage(), |
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* 'dates.nye' => new \DateTime('2015-12-31') |
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* ]); |
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* ``` |
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* |
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* @param array<string,mixed> $properties String keys, mixed values. |
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* @param \Caridea\Container\Container $parent An optional parent container. |
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*/ |
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public function __construct(array $properties, Container $parent = null) |
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{ |
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$types = []; |
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foreach ($properties as $k => $v) { |
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if ($v !== null) { |
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$types[(string)$k] = self::typeof($v); |
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$this->values[(string)$k] = $v; |
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} |
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} |
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parent::__construct($types, $parent); |
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} |
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/** |
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* More predictable results than `gettype`. |
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* |
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* @param mixed $v The value to evaluate |
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*/ |
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protected static function typeof($v): string |
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{ |
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if (is_bool($v)) { |
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return 'bool'; |
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} elseif (is_int($v)) { |
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return 'int'; |
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} elseif (is_float($v)) { |
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return 'float'; |
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} elseif (is_string($v)) { |
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return 'string'; |
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} elseif (is_array($v)) { |
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return 'array'; |
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} elseif (is_resource($v)) { |
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return 'resource'; |
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} |
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return get_class($v); |
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} |
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/** |
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* Retrieves the value |
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* |
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* @param string $name The value name |
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*/ |
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protected function doGet(string $name) |
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{ |
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return isset($this->values[$name]) ? $this->values[$name] : null; |
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} |
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} |
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libreworks /
caridea-container
