HummingBirdAnimeClient/src/Aviat/Ion/Friend.php

<?php

namespace Aviat\Ion;

use ReflectionClass;
use ReflectionMethod;
use ReflectionProperty;
use InvalidArgumentException;
use BadMethodCallException;

/**
 * Friend class for testing
 */
class Friend {

	protected $_friend_object_;
	protected $_reflection_friend_;

	/**
	 * Create a friend object
	 *
	 * @param object $obj
	 */
	public function __construct($obj)
	{
		if ( ! is_object($obj))
		{
			throw new InvalidArgumentException("Friend must be an object");
		}

		$this->_friend_object_ = $obj;
		$this->_reflection_friend_ = new ReflectionClass($obj);
	}

	/**
	 * Retrieve a friend's property
	 *
	 * @param  string $key
	 * @return mixed
	 */
	public function __get($key)
	{
		if ($this->_reflection_friend_->hasProperty($key))
		{
			$property = $this->_get_property($key);
			return $property->getValue($this->_friend_object_);
		}

		return NULL;
	}

	/**
	 * Set a friend's property
	 *
	 * @param string $key
	 * @param mixed $value
	 * @return void
	 */
	public function __set($key, $value)
	{
		if ($this->_reflection_friend_->hasProperty($key))
		{
			$property = $this->_get_property($key);
			$property->setValue($this->_friend_object_, $value);
		}
	}

	/**
	 * Calls a protected or private method on the friend
	 *
	 * @param  string $method
	 * @param  array $args
	 * @return mixed
	 */
	public function __call($method, $args)
	{
		if ( ! $this->_reflection_friend_->hasMethod($method))
		{
			throw new BadMethodCallException("Method '{$method}' does not exist");
		}

		$friendMethod = new ReflectionMethod($this->_friend_object_, $method);
		$friendMethod->setAccessible(TRUE);
		return $friendMethod->invokeArgs($this->_friend_object_, $args);
	}

	/**
	 * Iterates over parent classes to get a ReflectionProperty
	 *
	 * @param  string $name
	 * @return ReflectionProperty|null
	 */
	protected function _get_property($name)
	{
		$class = $this->_reflection_friend_;

		while($class)
		{
			try
			{
				$property = $class->getProperty($name);
				$property->setAccessible(TRUE);
				return $property;
			}
			catch(\ReflectionException $e) {}

			// Property in a parent class
			$class = $class->getParentClass();
		}

		return NULL;
	}
}
// End of Friend.php