<?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_CodeGenerator

 * @subpackage PHP

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

 */

/**

 * @see Zend_CodeGenerator_Php_Abstract

 */

require_once 'Zend/CodeGenerator/Php/Abstract.php';

/**

 * @see Zend_CodeGenerator_Php_ParameterDefaultValue

 */

require_once 'Zend/CodeGenerator/Php/Parameter/DefaultValue.php';

/**

 * @category   Zend

 * @package    Zend_CodeGenerator

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

 */

class Zend_CodeGenerator_Php_Parameter extends Zend_CodeGenerator_Php_Abstract

{

    /**

     * @var string

     */

    protected $_type = null;

    /**

     * @var string

     */

    protected $_name = null;

    /**

     * @var string

     */

    protected $_defaultValue = null;

    /**

     * @var int

     */

    protected $_position = null;

    /**

     * @var bool

     */

    protected $_passedByReference = false;

    /**

     * fromReflection()

     *

     * @param Zend_Reflection_Parameter $reflectionParameter

     * @return Zend_CodeGenerator_Php_Parameter

     */

    public static function fromReflection(Zend_Reflection_Parameter $reflectionParameter)

    {

        $param = new Zend_CodeGenerator_Php_Parameter();

        $param->setName($reflectionParameter->getName());

        if($reflectionParameter->isArray()) {

            $param->setType('array');

        } else {

            $typeClass = $reflectionParameter->getClass();

            if($typeClass !== null) {

                $param->setType($typeClass->getName());

            }

        }

        $param->setPosition($reflectionParameter->getPosition());

        if($reflectionParameter->isOptional()) {

            $param->setDefaultValue($reflectionParameter->getDefaultValue());

        }

        $param->setPassedByReference($reflectionParameter->isPassedByReference());

        return $param;

    }

    /**

     * setType()

     *

     * @param string $type

     * @return Zend_CodeGenerator_Php_Parameter

     */

    public function setType($type)

    {

        $this->_type = $type;

        return $this;

    }

    /**

     * getType()

     *

     * @return string

     */

    public function getType()

    {

        return $this->_type;

    }

    /**

     * setName()

     *

     * @param string $name

     * @return Zend_CodeGenerator_Php_Parameter

     */

    public function setName($name)

    {

        $this->_name = $name;

        return $this;

    }

    /**

     * getName()

     *

     * @return string

     */

    public function getName()

    {

        return $this->_name;

    }

    /**

     * Set the default value of the parameter.

     *

     * Certain variables are difficult to expres

     *

     * @param null|bool|string|int|float|Zend_CodeGenerator_Php_Parameter_DefaultValue $defaultValue

     * @return Zend_CodeGenerator_Php_Parameter

     */

    public function setDefaultValue($defaultValue)

    {

        if($defaultValue === null) {

            $this->_defaultValue = new Zend_CodeGenerator_Php_Parameter_DefaultValue("null");

        } else if(is_array($defaultValue)) {

            $defaultValue = str_replace(array("\r", "\n"), "", var_export($defaultValue, true));

            $this->_defaultValue = new Zend_CodeGenerator_Php_Parameter_DefaultValue($defaultValue);

        } else if(is_bool($defaultValue)) {

            if($defaultValue == true) {

                $this->_defaultValue = new Zend_CodeGenerator_Php_Parameter_DefaultValue("true");

            } else {

                $this->_defaultValue = new Zend_CodeGenerator_Php_Parameter_DefaultValue("false");

            }

        } else {

            $this->_defaultValue = $defaultValue;

        }

        return $this;

    }

    /**

     * getDefaultValue()

     *

     * @return string

     */

    public function getDefaultValue()

    {

        return $this->_defaultValue;

    }

    /**

     * setPosition()

     *

     * @param int $position

     * @return Zend_CodeGenerator_Php_Parameter

     */

    public function setPosition($position)

    {

        $this->_position = $position;

        return $this;

    }

    /**

     * getPosition()

     *

     * @return int

     */

    public function getPosition()

    {

        return $this->_position;

    }

    /**

     * @return bool

     */

    public function getPassedByReference()

    {

        return $this->_passedByReference;

    }

    /**

     * @param bool $passedByReference

     * @return Zend_CodeGenerator_Php_Parameter

     */

    public function setPassedByReference($passedByReference)

    {

        $this->_passedByReference = $passedByReference;

        return $this;

    }

    /**

     * generate()

     *

     * @return string

     */

    public function generate()

    {

        $output = '';

        if ($this->_type) {

            $output .= $this->_type . ' ';

        }

        if($this->_passedByReference === true) {

            $output .= '&';

        }

        $output .= '$' . $this->_name;

        if ($this->_defaultValue !== null) {

            $output .= ' = ';

            if (is_string($this->_defaultValue)) {

                $output .= '\'' . $this->_defaultValue . '\'';

            } else if($this->_defaultValue instanceof Zend_CodeGenerator_Php_Parameter_DefaultValue) {

                $output .= (string)$this->_defaultValue;

            } else {

                $output .= $this->_defaultValue;

            }

        }

        return $output;

    }

}