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<?php |
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/* |
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* This file is part of the Patron package. |
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* |
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* (c) Olivier Laviale <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Patron; |
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/** |
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* A function collection |
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*/ |
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class FunctionCollection implements \ArrayAccess |
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{ |
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/** |
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* @var array |
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*/ |
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private $collection = []; |
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/** |
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* @param array $functions |
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*/ |
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public function __construct(array $functions = []) |
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{ |
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foreach ($functions as $name => $definition) |
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{ |
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$this[$name] = $definition; |
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} |
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} |
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/** |
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* Calls a function. |
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* |
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* @param string $method Function name. |
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* @param array $arguments Function arguments. |
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* |
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* @return mixed |
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*/ |
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public function __call($method, $arguments) |
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{ |
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$f = $this->find($method); |
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if (!$f) |
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{ |
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throw new FunctionNotDefined([ $method, $this ]); |
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} |
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return call_user_func_array($f, $arguments); |
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} |
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/** |
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* Whether a function exists. |
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* |
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* @param string $name Function name. |
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* |
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* @return boolean `true` if the function exists, `false` otherwise. |
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*/ |
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public function offsetExists($name) |
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{ |
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return isset($this->collection[$name]); |
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} |
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/** |
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* Returns a function definition. |
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* |
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* @param string $name Function name. |
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* |
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* @return array The function's definition. |
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* |
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* @throws FunctionNotDefined when the function is not defined. |
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*/ |
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public function offsetGet($name) |
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{ |
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if (!$this->offsetExists($name)) |
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{ |
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throw new FunctionNotDefined([ $name, $this ]); |
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} |
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return $this->collection[$name]; |
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} |
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/** |
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* Sets a function definition. |
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* |
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* @param string $name Function name. |
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* @param array $definition Function definition. |
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*/ |
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public function offsetSet($name, $definition) |
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{ |
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$this->collection[$name] = $definition; |
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} |
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/** |
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* Removes a function. |
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* |
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* @param string $name Function name. |
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*/ |
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public function offsetUnset($name) |
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{ |
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unset($this->collection[$name]); |
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} |
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/** |
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* Finds a function. |
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* |
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* @param string $name Function name. |
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* |
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* @return callable|false A callable is the function is defined, `false` otherwise. |
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*/ |
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public function find($name) |
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{ |
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if (isset($this->collection[$name])) |
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{ |
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return $this->collection[$name]; |
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} |
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$try = 'ICanBoogie\\' . $name; |
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if (function_exists($try)) |
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{ |
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return $try; |
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} |
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$try = 'ICanBoogie\I18n\\' . $name; |
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if (function_exists($try)) |
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{ |
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return $try; |
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} |
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$try = 'Patron\\' . $name; |
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if (function_exists($try)) |
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{ |
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return $try; |
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} |
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return false; |
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} |
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} |
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Icybee /
Patron
