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<?php |
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namespace Darya\Foundation; |
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use ArrayAccess; |
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/** |
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* Darya's abstract application configuration implementation (what a mouthful). |
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* |
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* TODO: The static methods belong somewhere else. |
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* |
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* @author Chris Andrew <[email protected]> |
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*/ |
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abstract class AbstractConfiguration implements ArrayAccess, Configuration |
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{ |
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/** |
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* The configuration data. |
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* |
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* @var array |
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*/ |
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protected $data = array(); |
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/** |
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* Determine whether an array has a value at the given dot-notated key. |
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* |
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* @param array $array |
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* @param string $key |
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* @return bool |
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*/ |
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protected static function arrayHas(array $array, $key) |
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{ |
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if (empty($array) || $key === null) { |
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return false; |
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} |
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if (array_key_exists($key, $array)) { |
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return true; |
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} |
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$parts = explode('.', $key); |
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foreach ($parts as $part) { |
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if (is_array($array) && array_key_exists($part, $array)) { |
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$array = $array[$part]; |
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} else { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Retrieve a value from the given array using dot notation. |
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* |
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* @param array $array |
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* @param string $key |
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* @param mixed $default [optional] |
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* @return mixed |
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*/ |
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protected static function arrayGet(array $array, $key, $default = null) |
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{ |
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if (empty($array) || $key === null) { |
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return $default; |
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} |
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if (array_key_exists($key, $array)) { |
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return $array[$key]; |
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} |
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$parts = explode('.', $key); |
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foreach ($parts as $part) { |
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if (is_array($array) && array_key_exists($part, $array)) { |
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$array = $array[$part]; |
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} else { |
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return $default; |
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} |
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} |
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return $array; |
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} |
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/** |
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* Set a value on the given array using dot notation. |
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* |
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* @param array $array |
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* @param string $key |
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* @param mixed $value |
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*/ |
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protected static function arraySet(array &$array, $key, $value) |
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{ |
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if ($key === null) { |
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return; |
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} |
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$parts = explode('.', $key); |
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while (count($parts) > 1) { |
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$part = array_shift($parts); |
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if (!isset($array[$part]) || !is_array($array[$part])) { |
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$array[$part] = array(); |
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} |
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$array = &$array[$part]; |
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} |
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$array[array_shift($parts)] = $value; |
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} |
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/** |
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* Determine whether a configuration value exists for the given key. |
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* |
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* @param string $key |
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* @return bool |
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*/ |
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public function has($key) |
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{ |
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return static::arrayHas($this->data, $key); |
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} |
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/** |
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* Retrieve a configuration value. |
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* |
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* @param string $key |
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* @param mixed $default [optional] |
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* @return mixed |
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*/ |
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public function get($key, $default = null) |
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{ |
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return static::arrayGet($this->data, $key, $default); |
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} |
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/** |
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* Set a configuration value. |
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* |
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* @param string $key |
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* @param mixed $value |
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*/ |
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public function set($key, $value) |
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{ |
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static::arraySet($this->data, $key, $value); |
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} |
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/** |
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* Retrieve all of the configuration values. |
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* |
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* @return array |
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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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* Determine whether a configuration value exists for the given offset. |
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* |
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* @param mixed $offset |
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* @return bool |
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*/ |
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public function offsetExists($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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* Retrieve the configuration value at the given offset. |
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* |
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* @param mixed $offset |
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* @return mixed |
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*/ |
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public function offsetGet($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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* Set a configuration value to the given offset. |
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* |
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* @param mixed $offset |
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* @param mixed $value |
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*/ |
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public function offsetSet($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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* Clear the given offset and its value. |
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* |
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* @param mixed $offset |
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*/ |
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public function offsetUnset($offset) |
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{ |
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$this->set($offset, null); |
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} |
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} |
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darya /
framework
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