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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,210 @@ | ||
| <?php | ||
| /** | ||
| * Slim - a micro PHP 5 framework | ||
| * | ||
| * @author Josh Lockhart <info@slimframework.com> | ||
| * @copyright 2011 Josh Lockhart | ||
| * @link http://www.slimframework.com | ||
| * @license http://www.slimframework.com/license | ||
| * @version 2.3.0 | ||
| * @package Slim | ||
| * | ||
| * MIT LICENSE | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining | ||
| * a copy of this software and associated documentation files (the | ||
| * "Software"), to deal in the Software without restriction, including | ||
| * without limitation the rights to use, copy, modify, merge, publish, | ||
| * distribute, sublicense, and/or sell copies of the Software, and to | ||
| * permit persons to whom the Software is furnished to do so, subject to | ||
| * the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be | ||
| * included in all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE | ||
| * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | ||
| * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | ||
| * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
| */ | ||
| namespace Slim\Helper; | ||
|
|
||
| class Set implements \ArrayAccess, \Countable, \IteratorAggregate | ||
| { | ||
| /** | ||
| * Key-value array of arbitrary data | ||
| * @var array | ||
| */ | ||
| protected $data = array(); | ||
|
|
||
| /** | ||
| * Constructor | ||
| * @param array $items Pre-populate set with this key-value array | ||
| */ | ||
| public function __construct($items = array()) | ||
| { | ||
| $this->replace($items); | ||
| } | ||
|
|
||
| /** | ||
| * Normalize data key | ||
| * | ||
| * Used to transform data key into the necessary | ||
| * key format for this set. Used in subclasses | ||
| * like \Slim\Http\Headers. | ||
| * | ||
| * @param string $key The data key | ||
| * @return mixed The transformed/normalized data key | ||
| */ | ||
| protected function normalizeKey($key) | ||
| { | ||
| return $key; | ||
| } | ||
|
|
||
| /** | ||
| * Set data key to value | ||
| * @param string $key The data key | ||
| * @param mixed $value The data value | ||
| */ | ||
| public function set($key, $value) | ||
| { | ||
| $this->data[$this->normalizeKey($key)] = $value; | ||
| } | ||
|
|
||
| /** | ||
| * Get data value with key | ||
| * @param string $key The data key | ||
| * @param mixed $default The value to return if data key does not exist | ||
| * @return mixed The data value, or the default value | ||
| */ | ||
| public function get($key, $default = null) | ||
| { | ||
| if ($this->has($key)) { | ||
| $isInvokable = is_object($this->data[$this->normalizeKey($key)]) && method_exists($this->data[$this->normalizeKey($key)], '__invoke'); | ||
|
|
||
| return $isInvokable ? $this->data[$this->normalizeKey($key)]($this) : $this->data[$this->normalizeKey($key)]; | ||
| } | ||
|
|
||
| return $default; | ||
| } | ||
|
|
||
| /** | ||
| * Add data to set | ||
| * @param array $items Key-value array of data to append to this set | ||
| */ | ||
| public function replace($items) | ||
| { | ||
| foreach ($items as $key => $value) { | ||
| $this->set($key, $value); // Ensure keys are normalized | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Fetch set data | ||
| * @return array This set's key-value data array | ||
| */ | ||
| public function all() | ||
| { | ||
| return $this->data; | ||
| } | ||
|
|
||
| /** | ||
| * Fetch set data keys | ||
| * @return array This set's key-value data array keys | ||
| */ | ||
| public function keys() | ||
| { | ||
| return array_keys($this->data); | ||
| } | ||
|
|
||
| /** | ||
| * Does this set contain a key? | ||
| * @param string $key The data key | ||
| * @return boolean | ||
| */ | ||
| public function has($key) | ||
| { | ||
| return array_key_exists($this->normalizeKey($key), $this->data); | ||
| } | ||
|
|
||
| /** | ||
| * Remove value with key from this set | ||
| * @param string $key The data key | ||
| */ | ||
| public function remove($key) | ||
| { | ||
| unset($this->data[$this->normalizeKey($key)]); | ||
| } | ||
|
|
||
| /** | ||
| * Clear all values | ||
| */ | ||
| public function clear() | ||
| { | ||
| $this->data = array(); | ||
| } | ||
|
|
||
| /** | ||
| * Array Access | ||
| */ | ||
|
|
||
| public function offsetExists($offset) | ||
| { | ||
| return $this->has($offset); | ||
| } | ||
|
|
||
| public function offsetGet($offset) | ||
| { | ||
| return $this->get($offset); | ||
| } | ||
|
|
||
| public function offsetSet($offset, $value) | ||
| { | ||
| $this->set($offset, $value); | ||
| } | ||
|
|
||
| public function offsetUnset($offset) | ||
| { | ||
| $this->remove($offset); | ||
| } | ||
|
|
||
| /** | ||
| * Countable | ||
| */ | ||
|
|
||
| public function count() | ||
| { | ||
| return count($this->data); | ||
| } | ||
|
|
||
| /** | ||
| * IteratorAggregate | ||
| */ | ||
|
|
||
| public function getIterator() | ||
| { | ||
| return new \ArrayIterator($this->data); | ||
| } | ||
|
|
||
| /** | ||
| * Ensure a value or object will remain globally unique | ||
| * @param string $key The value or object name | ||
| * @param Closure The closure that defines the object | ||
| * @return mixed | ||
| */ | ||
| public function singleton($key, $value) | ||
| { | ||
| $this->set($key, function ($c) use ($value) { | ||
| static $object; | ||
|
|
||
| if (null === $object) { | ||
| $object = $value($c); | ||
| } | ||
|
|
||
| return $object; | ||
| }); | ||
| } | ||
| } |
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