<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Server

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

/**

 * Parameter Reflection

 *

 * Decorates a ReflectionParameter to allow setting the parameter type

 *

 * @category   Zend

 * @package    Zend_Server

 * @subpackage Reflection

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version $Id: Parameter.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

class Zend_Server_Reflection_Parameter

{

    /**

     * @var ReflectionParameter

     */

    protected $_reflection;

    /**

     * Parameter position

     * @var int

     */

    protected $_position;

    /**

     * Parameter type

     * @var string

     */

    protected $_type;

    /**

     * Parameter description

     * @var string

     */

    protected $_description;

    /**

     * Constructor

     *

     * @param ReflectionParameter $r

     * @param string $type Parameter type

     * @param string $description Parameter description

     */

    public function __construct(ReflectionParameter $r, $type = 'mixed', $description = '')

    {

        $this->_reflection = $r;

        $this->setType($type);

        $this->setDescription($description);

    }

    /**

     * Proxy reflection calls

     *

     * @param string $method

     * @param array $args

     * @return mixed

     */

    public function __call($method, $args)

    {

        if (method_exists($this->_reflection, $method)) {

            return call_user_func_array(array($this->_reflection, $method), $args);

        }

        require_once 'Zend/Server/Reflection/Exception.php';

        throw new Zend_Server_Reflection_Exception('Invalid reflection method');

    }

    /**

     * Retrieve parameter type

     *

     * @return string

     */

    public function getType()

    {

        return $this->_type;

    }

    /**

     * Set parameter type

     *

     * @param string|null $type

     * @return void

     */

    public function setType($type)

    {

        if (!is_string($type) && (null !== $type)) {

            require_once 'Zend/Server/Reflection/Exception.php';

            throw new Zend_Server_Reflection_Exception('Invalid parameter type');

        }

        $this->_type = $type;

    }

    /**

     * Retrieve parameter description

     *

     * @return string

     */

    public function getDescription()

    {

        return $this->_description;

    }

    /**

     * Set parameter description

     *

     * @param string|null $description

     * @return void

     */

    public function setDescription($description)

    {

        if (!is_string($description) && (null !== $description)) {

            require_once 'Zend/Server/Reflection/Exception.php';

            throw new Zend_Server_Reflection_Exception('Invalid parameter description');

        }

        $this->_description = $description;

    }

    /**

     * Set parameter position

     *

     * @param int $index

     * @return void

     */

    public function setPosition($index)

    {

        $this->_position = (int) $index;

    }

    /**

     * Return parameter position

     *

     * @return int

     */

    public function getPosition()

    {

        return $this->_position;

    }

}