<?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) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)

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

 * @version    $Id: Method.php 24870 2012-06-02 02:15:12Z adamlundrigan $

 */

/**

 * @see Zend_Reflection_Class

 */

require_once 'Zend/Reflection/Class.php';

/**

 * @see Zend_Reflection_Docblock

 */

require_once 'Zend/Reflection/Docblock.php';

/**

 * @see Zend_Reflection_Parameter

 */

require_once 'Zend/Reflection/Parameter.php';

/**

 * @category   Zend

 * @package    Zend_Reflection

 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)

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

 */

class Zend_Reflection_Method extends ReflectionMethod

{

    /**

     * Retrieve method docblock reflection

     *

     * @return Zend_Reflection_Docblock

     * @throws Zend_Reflection_Exception

     */

    public function getDocblock($reflectionClass = 'Zend_Reflection_Docblock')

    {

        if ('' == $this->getDocComment()) {

            require_once 'Zend/Reflection/Exception.php';

            throw new Zend_Reflection_Exception($this->getName() . ' does not have a docblock');

        }

        $instance = new $reflectionClass($this);

        if (!$instance instanceof Zend_Reflection_Docblock) {

            require_once 'Zend/Reflection/Exception.php';

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

        }

        return $instance;

    }

    /**

     * Get start line (position) of method

     *

     * @param  bool $includeDocComment

     * @return int

     */

    public function getStartLine($includeDocComment = false)

    {

        if ($includeDocComment) {

            if ($this->getDocComment() != '') {

                return $this->getDocblock()->getStartLine();

            }

        }

        return parent::getStartLine();

    }

    /**

     * Get reflection of declaring class

     *

     * @param  string $reflectionClass Name of 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 all method parameter reflection objects

     *

     * @param  string $reflectionClass Name of reflection class to use

     * @return array of Zend_Reflection_Parameter objects

     */

    public function getParameters($reflectionClass = 'Zend_Reflection_Parameter')

    {

        $phpReflections  = parent::getParameters();

        $zendReflections = array();

        while ($phpReflections && ($phpReflection = array_shift($phpReflections))) {

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

            if (!$instance instanceof Zend_Reflection_Parameter) {

                require_once 'Zend/Reflection/Exception.php';

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

            }

            $zendReflections[] = $instance;

            unset($phpReflection);

        }

        unset($phpReflections);

        return $zendReflections;

    }

    /**

     * Get method contents

     *

     * @param  bool $includeDocblock

     * @return string

     */

    public function getContents($includeDocblock = true)

    {

        $fileContents = file($this->getFileName());

        $startNum = $this->getStartLine($includeDocblock);

        $endNum = ($this->getEndLine() - $this->getStartLine());

        return implode("\n", array_splice($fileContents, $startNum, $endNum, true));

    }

    /**

     * Get method body

     *

     * @return string

     */

    public function getBody()

    {

        $lines = array_slice(

            file($this->getDeclaringClass()->getFileName(), FILE_IGNORE_NEW_LINES),

            $this->getStartLine()-1,

            ($this->getEndLine() - $this->getStartLine()) + 1,

            true

        );

        // Strip off lines until we come to a closing bracket

        do {

            if (count($lines) == 0) break;

            $firstLine = array_shift($lines);

        } while (strpos($firstLine, ')') === false);

        // If the opening brace isn't on the same line as method 

        // signature, then we should pop off more lines until we find it

        if (strpos($firstLine,'{') === false) {

            do {

                if (count($lines) == 0) break;

                $firstLine = array_shift($lines);

            } while (strpos($firstLine, '{') === false);

        }

        // If there are more characters on the line after the opening brace,

        // push them back onto the lines stack as they are part of the body

        $restOfFirstLine = trim(substr($firstLine, strpos($firstLine, '{')+1));

        if (!empty($restOfFirstLine)) {

            array_unshift($lines, $restOfFirstLine);

        }

        $lastLine = array_pop($lines);

        // If there are more characters on the line before the closing brace,

        // push them back onto the lines stack as they are part of the body

        $restOfLastLine = trim(substr($lastLine, 0, strrpos($lastLine, '}')-1));

        if (!empty($restOfLastLine)) {

            array_push($lines, $restOfLastLine);

        }

        // just in case we had code on the bracket lines

        return implode("\n", $lines);

    }

}