/system/pyrocms/core/MY_Router.php
PHP | 306 lines | 189 code | 53 blank | 64 comment | 38 complexity | a4ddae45a0dd9af45428a85aee8c7db6 MD5 | raw file
- <?php defined('BASEPATH') OR exit('No direct script access allowed');
- /* PHP5 spl_autoload */
- spl_autoload_register('Modules::autoload');
- /* define the module locations and offset */
- Modules::$locations = array(
- APPPATH . 'modules/' => '../modules/',
- ADDONPATH . 'modules/' => '../../../addons/modules/'
- );
- /**
- * Modular Separation - PHP5
- *
- * Adapted from the CodeIgniter Core Classes
- * @copyright Copyright (c) 2006, EllisLab, Inc.
- * @link http://codeigniter.com
- *
- * Description:
- * This library extends the CodeIgniter router class.
- *
- * Install this file as application/libraries/MY_Router.php
- *
- * @copyright Copyright (c) Wiredesignz 2010-03-01
- * @version 2.3
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- * */
- class MY_Router extends CI_Router {
- private $module;
- public function fetch_module()
- {
- return $this->module;
- }
- public function _validate_request($segments)
- {
- /* locate module controller */
- if ($located = $this->locate($segments))
- {
- return $located;
- }
- // route 404 is now deprecated, use 404_override
- if(isset($this->routes['404']))
- {
- $this->routes['404_override'] = $this->routes['404'];
- unset($this->routes['404']);
- }
- /* use a default 404 controller */
- if (isset($this->routes['404_override']) AND $segments = explode('/', $this->routes['404_override']))
- {
- if ($located = $this->locate($segments))
- {
- return $located;
- }
- }
- /* no controller found */
- show_404();
- }
- /** Locate the controller * */
- public function locate($segments)
- {
- $this->module = '';
- $this->directory = '';
- $ext = $this->config->item('controller_suffix') . EXT;
- /* use module route if available */
- if (isset($segments[0]) AND $routes = Modules::parse_routes($segments[0], implode('/', $segments)))
- {
- $segments = $routes;
- }
- /* get the segments array elements */
- list($module, $directory, $controller) = array_pad($segments, 3, NULL);
- foreach (Modules::$locations as $location => $offset)
- {
- /* module exists? */
- if (is_dir($source = $location . $module . '/controllers/'))
- {
- $this->module = $module;
- $this->directory = $offset . $module . '/controllers/';
- /* module sub-controller exists? */
- if ($directory AND is_file($source . $directory . $ext))
- {
- return array_slice($segments, 1);
- }
- /* module sub-directory exists? */
- if ($directory AND is_dir($module_subdir = $source . $directory . '/'))
- {
- $this->directory .= $directory . '/';
- /* module sub-directory controller exists? */
- if (is_file($module_subdir . $directory . $ext))
- {
- return array_slice($segments, 1);
- }
- /* module sub-directory sub-controller exists? */
- if ($controller AND is_file($module_subdir . $controller . $ext))
- {
- return array_slice($segments, 2);
- }
- }
- /* module controller exists? */
- if (is_file($source . $module . $ext))
- {
- return $segments;
- }
- }
- }
- /* application controller exists? */
- if (is_file(APPPATH . 'controllers/' . $module . $ext))
- {
- return $segments;
- }
- /* application sub-directory controller exists? */
- if (is_file(APPPATH . 'controllers/' . $module . '/' . $directory . $ext))
- {
- $this->directory = $module . '/';
- return array_slice($segments, 1);
- }
- }
- public function set_class($class)
- {
- $this->class = $class . $this->config->item('controller_suffix');
- }
- }
- class Modules {
- public static $routes, $locations;
- /** Library base class autoload * */
- public static function autoload($class)
- {
- /* don't autoload CI_ or MY_ prefixed classes */
- if (strstr($class, 'CI_') OR strstr($class, 'MY_'))
- {
- return;
- }
- if (is_file($location = APPPATH . 'core/' . $class . EXT))
- {
- include_once $location;
- }
- else if (is_file($location = APPPATH . 'libraries/' . $class . EXT))
- {
- include_once $location;
- }
- }
- /** Load a module file * */
- public static function load_file($file, $path, $type = 'other', $result = TRUE)
- {
- $file = str_replace(EXT, '', $file);
- $location = $path . $file . EXT;
- if ($type === 'other')
- {
- if (class_exists($file, FALSE))
- {
- log_message('debug', "File already loaded: {$location}");
- return $result;
- }
- include_once $location;
- }
- else
- {
- /* load config or language array */
- include $location;
- if (!isset($$type) OR !is_array($$type))
- show_error("{$location} does not contain a valid {$type} array");
- $result = $$type;
- }
- log_message('debug', "File loaded: {$location}");
- return $result;
- }
- /**
- * Find a file
- * Scans for files located within modules directories.
- * Also scans application directories for models and views.
- * Generates fatal error if file not found.
- * */
- public static function find($file, $module, $base, $lang = '')
- {
- $segments = explode('/', $file);
- $file = array_pop($segments);
- if ($base == 'core/' OR $base == 'libraries/')
- {
- $file = ucfirst($file);
- }
- else if ($base == 'models/')
- {
- $file = strtolower($file);
- }
- $file_ext = strpos($file, '.') ? $file : $file . EXT;
- $lang && $lang .= '/';
- $path = ltrim(implode('/', $segments) . '/', '/');
- $module ? $modules[$module] = $path : $modules = array();
- if (!empty($segments))
- {
- $modules[array_shift($segments)] = ltrim(implode('/', $segments) . '/', '/');
- }
- foreach (Modules::$locations as $location => $offset)
- {
- foreach ($modules as $module => $subpath)
- {
- $fullpath = $location . $module . '/' . $base . $lang . $subpath;
- if (is_file($fullpath . $file_ext))
- {
- return array($fullpath, $file);
- }
- }
- }
- /* is the file in an application directory? */
- if ($base == 'views/' OR $base == 'models/')
- {
- if (is_file(APPPATH . $base . $path . $file_ext))
- return array(APPPATH . $base . $path, $file);
- show_error("Unable to locate the file: {$path}{$file_ext}");
- }
- return array(FALSE, $file);
- }
- /** Parse module routes * */
- public static function parse_routes($module, $uri)
- {
- /* load the route file */
- if (!isset(self::$routes[$module]))
- {
- if (list($path) = self::find('routes', $module, 'config/') AND $path)
- self::$routes[$module] = self::load_file('routes', $path, 'route');
- }
- if (!isset(self::$routes[$module]))
- {
- return;
- }
- /* parse module routes */
- foreach (self::$routes[$module] as $key => $val)
- {
- $key = str_replace(':any', '.+', str_replace(':num', '[0-9]+', $key));
- if (preg_match('#^' . $key . '$#', $uri))
- {
- if (strpos($val, '$') !== FALSE AND strpos($key, '(') !== FALSE)
- {
- $val = preg_replace('#^' . $key . '$#', $val, $uri);
- }
- return explode('/', $module . '/' . $val);
- }
- }
- }
- }