<?php
/**
 * This source file is part of the open source project
 * ExpressionEngine (https://expressionengine.com)
 *
 * @link      https://expressionengine.com/
 * @copyright Copyright (c) 2003-2022, Packet Tide, LLC (https://www.packettide.com)
 * @license   https://expressionengine.com/license Licensed under Apache License, Version 2.0
 */
if (defined('EE_APPPATH')) {
    $path = EE_APPPATH;
} else {
    $path = APPPATH;
}

require_once $path . 'libraries/template_router/converters/Alpha_dash.php';
require_once $path . 'libraries/template_router/converters/Alpha_numeric.php';
require_once $path . 'libraries/template_router/converters/Alpha.php';
require_once $path . 'libraries/template_router/converters/Base64.php';
require_once $path . 'libraries/template_router/converters/Category.php';
require_once $path . 'libraries/template_router/converters/Integer.php';
require_once $path . 'libraries/template_router/converters/Max_length.php';
require_once $path . 'libraries/template_router/converters/Min_length.php';
require_once $path . 'libraries/template_router/converters/Natural.php';
require_once $path . 'libraries/template_router/converters/Numeric.php';
require_once $path . 'libraries/template_router/converters/Pagination.php';
require_once $path . 'libraries/template_router/converters/Regex.php';

/**
 * Template Router Converters
 */
class EE_Template_router_converters
{
    public $converters = array();

    public function __construct()
    {
        ee()->lang->loadfile('template_router');
        // Register default converters
        $this->register('alpha', 'EE_template_router_alpha_converter');
        $this->register('alpha_dash', 'EE_template_router_alpha_dash_converter');
        $this->register('alpha_numeric', 'EE_template_router_alpha_numeric_converter');
        $this->register('base64', 'EE_template_router_base64_converter');
        $this->register('category', 'EE_template_router_category_converter');
        $this->register('integer', 'EE_template_router_integer_converter');
        $this->register('max_length', 'EE_template_router_max_length_converter');
        $this->register('min_length', 'EE_template_router_min_length_converter');
        $this->register('natural', 'EE_template_router_natural_converter');
        $this->register('numeric', 'EE_template_router_numeric_converter');
        $this->register('pagination', 'EE_template_router_pagination_converter');
        $this->register('regex', 'EE_template_router_regex_converter');
    }

    /**
     * Load a validation rule with the provided constuctor $args
     *
     * @param mixed $converter  The registered name of the validation rule
     * @param array $args       The initial arguments for initializing the validation rule
     * @access public
     * @return EE_template_router_converter  The instantiated validation rule
     */
    public function load($converter, $args = array())
    {
        if (empty($this->converters[$converter])) {
            throw new Exception(lang('missing_rule') . $converter);
        }

        $class = $this->converters[$converter];

        if (empty($args)) {
            $obj = new $class();
        } else {
            $obj = new ReflectionClass($class);
            $obj = $obj->newInstanceArgs($args);
        }

        return $obj;
    }

    /**
     * Register a converter
     *
     * @param String	Class name of new converter
     */
    public function register($name, $class)
    {
        $this->converters[$name] = $class;
    }
}

/**
 * Template Router Converter Implementation
 */
interface EE_Template_router_converter
{
    /**
     * Return a regular expression for validation
     *
     * @access public
     * @return string	The compiled regular expression
     */
    public function validator();
}

// EOF
