<?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_Application

 * @subpackage Resource

 * @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: Modules.php 24593 2012-01-05 20:35:02Z matthew $

 */

/**

 * @see Zend_Application_Resource_ResourceAbstract

 */

require_once 'Zend/Application/Resource/ResourceAbstract.php';

/**

 * Module bootstrapping resource

 *

 * @category   Zend

 * @package    Zend_Application

 * @subpackage Resource

 * @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_Application_Resource_Modules extends Zend_Application_Resource_ResourceAbstract

{

    /**

     * @var ArrayObject

     */

    protected $_bootstraps;

    /**

     * Constructor

     *

     * @param  mixed $options

     * @return void

     */

    public function __construct($options = null)

    {

        $this->_bootstraps = new ArrayObject(array(), ArrayObject::ARRAY_AS_PROPS);

        parent::__construct($options);

    }

    /**

     * Initialize modules

     *

     * @return array

     * @throws Zend_Application_Resource_Exception When bootstrap class was not found

     */

    public function init()

    {

        $bootstraps = array();

        $bootstrap = $this->getBootstrap();

        $bootstrap->bootstrap('FrontController');

        $front = $bootstrap->getResource('FrontController');

        $modules = $front->getControllerDirectory();

        $default = $front->getDefaultModule();

        $curBootstrapClass = get_class($bootstrap);

        foreach ($modules as $module => $moduleDirectory) {

            $bootstrapClass = $this->_formatModuleName($module) . '_Bootstrap';

            if (!class_exists($bootstrapClass, false)) {

                $bootstrapPath  = dirname($moduleDirectory) . '/Bootstrap.php';

                if (file_exists($bootstrapPath)) {

                    $eMsgTpl = 'Bootstrap file found for module "%s" but bootstrap class "%s" not found';

                    include_once $bootstrapPath;

                    if (($default != $module)

                        && !class_exists($bootstrapClass, false)

                    ) {

                        throw new Zend_Application_Resource_Exception(sprintf(

                            $eMsgTpl, $module, $bootstrapClass

                        ));

                    } elseif ($default == $module) {

                        if (!class_exists($bootstrapClass, false)) {

                            $bootstrapClass = 'Bootstrap';

                            if (!class_exists($bootstrapClass, false)) {

                                throw new Zend_Application_Resource_Exception(sprintf(

                                    $eMsgTpl, $module, $bootstrapClass

                                ));

                            }

                        }

                    }

                } else {

                    continue;

                }

            }

            if ($bootstrapClass == $curBootstrapClass) {

                // If the found bootstrap class matches the one calling this

                // resource, don't re-execute.

                continue;

            }

            $bootstraps[$module] = $bootstrapClass;

        }

        return $this->_bootstraps = $this->bootstrapBootstraps($bootstraps);

    }

    /*

     * Bootstraps the bootstraps found. Allows for easy extension.

     * @param array $bootstraps Array containing the bootstraps to instantiate

     */

    protected function bootstrapBootstraps($bootstraps)

    {

        $bootstrap = $this->getBootstrap();

        $out = new ArrayObject(array(), ArrayObject::ARRAY_AS_PROPS);

        foreach($bootstraps as $module => $bootstrapClass) {

            $moduleBootstrap = new $bootstrapClass($bootstrap);

            $moduleBootstrap->bootstrap();

            $out[$module] = $moduleBootstrap;

        }

        return $out;

    }

    /**

     * Get bootstraps that have been run

     *

     * @return ArrayObject

     */

    public function getExecutedBootstraps()

    {

        return $this->_bootstraps;

    }

    /**

     * Format a module name to the module class prefix

     *

     * @param  string $name

     * @return string

     */

    protected function _formatModuleName($name)

    {

        $name = strtolower($name);

        $name = str_replace(array('-', '.'), ' ', $name);

        $name = ucwords($name);

        $name = str_replace(' ', '', $name);

        return $name;

    }

}