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<?php |
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namespace Noodlehaus; |
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use ArrayAccess; |
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/** |
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* Abstract Config class |
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* |
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* @package Config |
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* @author Jesus A. Domingo <[email protected]> |
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* @author Hassan Khan <[email protected]> |
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* @link https://github.com/noodlehaus/config |
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* @license MIT |
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*/ |
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abstract class AbstractConfig implements ArrayAccess, ConfigInterface |
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{ |
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/** |
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* Stores the configuration data |
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* |
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* @var array|null |
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*/ |
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protected $data = null; |
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/** |
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* Caches the configuration data |
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* |
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* @var array |
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*/ |
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protected $cache = array(); |
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/** |
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* Constructor method and sets default options, if any |
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* |
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* @param array $data |
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*/ |
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public function __construct(Array $data) |
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{ |
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$this->data = array_merge($this->getDefaults(), $data); |
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} |
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/** |
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* Override this method in your own subclass to provide an array of default |
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* options and values |
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* |
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* @return array |
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* |
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* @codeCoverageIgnore |
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*/ |
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protected function getDefaults() |
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{ |
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return array(); |
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} |
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/** |
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* ConfigInterface Methods |
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*/ |
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/** |
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* {@inheritDoc} |
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*/ |
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public function get($key, $default = null) |
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{ |
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// Check if already cached |
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if (isset($this->cache[$key])) { |
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return $this->cache[$key]; |
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} |
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$segs = explode('.', $key); |
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$root = $this->data; |
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// nested case |
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foreach ($segs as $part) { |
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if (isset($root[$part])) { |
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$root = $root[$part]; |
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continue; |
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} else { |
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$root = $default; |
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break; |
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} |
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} |
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// whatever we have is what we needed |
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return ($this->cache[$key] = $root); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function set($key, $value) |
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{ |
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$segs = explode('.', $key); |
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$root = &$this->data; |
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$cacheKey = ''; |
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// Look for the key, creating nested keys if needed |
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while ($part = array_shift($segs)) { |
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if($cacheKey != ''){ |
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$cacheKey .= '.'; |
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} |
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$cacheKey .= $part; |
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if (!isset($root[$part]) && count($segs)) { |
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$root[$part] = array(); |
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} |
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$root = &$root[$part]; |
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//Unset all old nested cache |
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if(isset($this->cache[$cacheKey])){ |
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unset($this->cache[$cacheKey]); |
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} |
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} |
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// Assign value at target node |
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$this->cache[$key] = $root = $value; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function has($key) |
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{ |
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return !is_null($this->get($key)); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function all() |
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{ |
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return $this->data; |
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} |
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/** |
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* ArrayAccess Methods |
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*/ |
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/** |
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* Gets a value using the offset as a key |
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* |
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* @param string $offset |
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* |
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* @return mixed |
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*/ |
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public function offsetGet($offset) |
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{ |
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return $this->get($offset); |
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} |
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/** |
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* Checks if a key exists |
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* |
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* @param string $offset |
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* |
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* @return bool |
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*/ |
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6 |
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public function offsetExists($offset) |
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{ |
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return $this->has($offset); |
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} |
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/** |
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* Sets a value using the offset as a key |
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* |
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* @param string $offset |
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* @param mixed $value |
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* |
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* @return void |
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*/ |
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3 |
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public function offsetSet($offset, $value) |
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{ |
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$this->set($offset, $value); |
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} |
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/** |
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* Deletes a key and its value |
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* |
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* @param string $offset |
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* |
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* @return void |
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*/ |
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3 |
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public function offsetUnset($offset) |
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{ |
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3 |
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$this->set($offset, null); |
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3 |
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} |
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} |
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|
hassankhan /
config
