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<?php |
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/** |
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* This file is part of the miBadger package. |
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* |
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* @author Michael Webbers <[email protected]> |
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* @license http://opensource.org/licenses/Apache-2.0 Apache v2 License |
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*/ |
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namespace miBadger\Settings; |
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use miBadger\File\File; |
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/** |
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* The settings class. |
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* |
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* @since 1.0.0 |
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*/ |
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class Settings implements \IteratorAggregate |
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{ |
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const DEFAULT_FILENAME = '.settings.json'; |
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/** @var array The settings */ |
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private $data; |
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/** |
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* Construct a settings object with the given data. |
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* |
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* @param $data = [] |
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*/ |
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public function __construct($data = []) |
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{ |
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$this->data = $data; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIterator() |
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{ |
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return new \ArrayIterator($this->data); |
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} |
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/** |
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* Returns the number of key-value mappings in the settings map. |
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* |
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* @return int the number of key-value mappings in the settings map. |
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*/ |
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public function count() |
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{ |
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return count($this->data); |
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} |
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/** |
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* Returns true if the settings map contains no key-value mappings. |
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* |
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* @return bool true if the settings map contains no key-value mappings. |
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*/ |
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public function isEmpty() |
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{ |
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return empty($this->data); |
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} |
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/** |
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* Returns true if the settings map contains a mapping for the specified key. |
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* |
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* @param string $key |
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* @return bool true if the settings map contains a mapping for the specified key. |
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*/ |
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public function containsKey($key) |
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{ |
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return isset($this->data[$key]); |
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} |
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/** |
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* Returns true if the settings map maps one or more keys to the specified value. |
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* |
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* @param string $value |
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* @return bool true if the settings map maps one or more keys to the specified value. |
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*/ |
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public function containsValue($value) |
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{ |
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return in_array($value, $this->data); |
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} |
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/** |
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* Returns the value to which the specified key is mapped, or null if the settings map contains no mapping for the key. |
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* |
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* @param string $key |
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* @return string the value to which the specified key is mapped, or null if the settings map contains no mapping for the key. |
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*/ |
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public function get($key) |
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{ |
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return $this->containsKey($key) ? $this->data[$key] : null; |
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} |
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/** |
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* Associates the specified value with the specified key in the settings map. |
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* |
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* @param string $key |
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* @param string $value |
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* @return $this |
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*/ |
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public function set($key, $value) |
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{ |
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$this->data[$key] = $value; |
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return $this; |
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} |
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/** |
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* Removes the mapping for the specified key from the settings map if present. |
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* |
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* @param string $key |
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* @return $this |
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*/ |
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public function remove($key) |
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{ |
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unset($this->data[$key]); |
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return $this; |
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} |
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/** |
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* Removes all of the mappings from the settings map. |
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* |
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* @return $this |
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*/ |
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public function clear() |
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{ |
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$this->data = []; |
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return $this; |
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} |
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/** |
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* Load the settings file from the given location. |
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* |
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* @param $path = self::DEFAULT_FILENAME |
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* @return $this |
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* @throws FileException on failure. |
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* @throws \UnexpectedValueException on failure. |
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*/ |
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public function load($path = self::DEFAULT_FILENAME) |
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{ |
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$file = new File($path); |
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if (($data = json_decode($file->read(), true)) === null) { |
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throw new \UnexpectedValueException('Invalid JSON.'); |
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} |
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$this->data = (array) $data; |
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return $this; |
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} |
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/** |
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* Save the settings file at the given location. |
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* |
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* @param $path = self::DEFAULT_FILENAME |
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* @return $this |
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* @throws FileException on failure. |
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*/ |
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public function save($path = self::DEFAULT_FILENAME) |
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{ |
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$file = new File($path); |
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$file->write(json_encode($this->data)); |
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return $this; |
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} |
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} |
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