<?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_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 $

 */

/**

 * @category   Zend

 * @package    Zend_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

 */

class Zend_Reflection_Parameter extends ReflectionParameter

{

    /**

     * @var bool

     */

    protected $_isFromMethod = false;

    /**

     * Get declaring class reflection object

     *

     * @param  string $reflectionClass Reflection class to use

     * @return Zend_Reflection_Class

     */

    public function getDeclaringClass($reflectionClass = 'Zend_Reflection_Class')

    {

        $phpReflection  = parent::getDeclaringClass();

        $zendReflection = new $reflectionClass($phpReflection->getName());

        if (!$zendReflection instanceof Zend_Reflection_Class) {

            require_once 'Zend/Reflection/Exception.php';

            throw new Zend_Reflection_Exception('Invalid reflection class provided; must extend Zend_Reflection_Class');

        }

        unset($phpReflection);

        return $zendReflection;

    }

    /**

     * Get class reflection object

     *

     * @param  string $reflectionClass Reflection class to use

     * @return Zend_Reflection_Class

     */

    public function getClass($reflectionClass = 'Zend_Reflection_Class')

    {

        $phpReflection  = parent::getClass();

        if($phpReflection == null) {

            return null;

        }

        $zendReflection = new $reflectionClass($phpReflection->getName());

        if (!$zendReflection instanceof Zend_Reflection_Class) {

            require_once 'Zend/Reflection/Exception.php';

            throw new Zend_Reflection_Exception('Invalid reflection class provided; must extend Zend_Reflection_Class');

        }

        unset($phpReflection);

        return $zendReflection;

    }

    /**

     * Get declaring function reflection object

     *

     * @param  string $reflectionClass Reflection class to use

     * @return Zend_Reflection_Function|Zend_Reflection_Method

     */

    public function getDeclaringFunction($reflectionClass = null)

    {

        $phpReflection = parent::getDeclaringFunction();

        if ($phpReflection instanceof ReflectionMethod) {

            $baseClass = 'Zend_Reflection_Method';

            if (null === $reflectionClass) {

                $reflectionClass = $baseClass;

            }

            $zendReflection = new $reflectionClass($this->getDeclaringClass()->getName(), $phpReflection->getName());

        } else {

            $baseClass = 'Zend_Reflection_Function';

            if (null === $reflectionClass) {

                $reflectionClass = $baseClass;

            }

            $zendReflection = new $reflectionClass($phpReflection->getName());

        }

        if (!$zendReflection instanceof $baseClass) {

            require_once 'Zend/Reflection/Exception.php';

            throw new Zend_Reflection_Exception('Invalid reflection class provided; must extend ' . $baseClass);

        }

        unset($phpReflection);

        return $zendReflection;

    }

    /**

     * Get parameter type

     *

     * @return string

     */

    public function getType()

    {

        if ($docblock = $this->getDeclaringFunction()->getDocblock()) {

            $params = $docblock->getTags('param');

            if (isset($params[$this->getPosition()])) {

                return $params[$this->getPosition()]->getType();

            }

        }

        return null;

    }

}