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<?php |
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/** |
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* @license LGPLv3, https://opensource.org/licenses/LGPL-3.0 |
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* @copyright Aimeos (aimeos.org), 2015-2022 |
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* @package Base |
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* @subpackage Config |
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*/ |
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namespace Aimeos\Base\Config\Decorator; |
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/** |
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* Memory caching decorator for config classes. |
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* |
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* @package Base |
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* @subpackage Config |
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*/ |
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class Memory |
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extends \Aimeos\Base\Config\Decorator\Base |
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implements \Aimeos\Base\Config\Decorator\Iface |
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{ |
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private $negCache = []; |
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private $cache = []; |
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private $config; |
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/** |
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* Initializes the decorator. |
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* |
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* @param \Aimeos\Base\Config\Iface $object Config object or decorator |
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* @param array $config Pre-cached non-shared configuration |
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*/ |
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public function __construct( \Aimeos\Base\Config\Iface $object, array $config = [] ) |
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{ |
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parent::__construct( $object ); |
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$this->config = $config; |
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} |
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/** |
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* Returns the value of the requested config key. |
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* |
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* @param string $name Path to the requested value like tree/node/classname |
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* @param mixed $default Value returned if requested key isn't found |
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* @return mixed Value associated to the requested key |
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*/ |
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public function get( string $name, $default = null ) |
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{ |
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$name = trim( $name, '/' ); |
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if( isset( $this->negCache[$name] ) ) { |
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return $default; |
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} |
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if( array_key_exists( $name, $this->cache ) ) { |
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return $this->cache[$name]; |
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} |
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if( ( $value = $this->getValueFromArray( $this->config, explode( '/', $name ) ) ) === null ) { |
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$value = parent::get( $name, null ); |
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} |
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if( $value === null ) |
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{ |
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$this->negCache[$name] = true; |
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return $default; |
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} |
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$this->cache[$name] = $value; |
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return $value; |
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} |
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/** |
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* Sets the value for the specified key. |
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* |
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* @param string $name Path to the requested value like tree/node/classname |
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* @param string $value Value that should be associated with the given path |
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* @return \Aimeos\Base\Config\Iface Config instance for method chaining |
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*/ |
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public function set( string $name, $value ) : \Aimeos\Base\Config\Iface |
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{ |
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$name = trim( $name, '/' ); |
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if( $value !== null ) |
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{ |
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$this->cache[$name] = $value; |
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unset( $this->negCache[$name] ); |
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} |
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else |
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{ |
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$this->negCache[$name] = true; |
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} |
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// don't store local configuration |
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return $this; |
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} |
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/** |
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* Returns the requested configuration value from the given array |
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* |
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* @param array $config The array to search in |
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* @param array $parts Configuration path parts to look for inside the array |
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* @return mixed Found configuration value or null if not available |
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*/ |
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protected function getValueFromArray( array $config, array $parts ) |
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{ |
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if( ( $key = array_shift( $parts ) ) !== null && isset( $config[$key] ) ) |
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{ |
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if( count( $parts ) > 0 ) { |
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return $this->getValueFromArray( $config[$key], $parts ); |
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} |
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return $config[$key]; |
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} |
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return null; |
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} |
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} |
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aimeos /
aimeos-base
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