X-Git-Url: http://git.onelab.eu/?p=www-register-wizard.git;a=blobdiff_plain;f=libraries%2FRouter.php;h=32de58dbf5426cadd18d3a0e12d85ae0f0a366d3;hp=cf425163d6b644b18f084018e049ddc11ad58e1d;hb=4afb2fe256f094a1caf6bff14f51c6a88938cc9f;hpb=6907967d36358724c676a7998f55fc34e40c3b21 diff --git a/libraries/Router.php b/libraries/Router.php index cf42516..32de58d 100644 --- a/libraries/Router.php +++ b/libraries/Router.php @@ -1,385 +1,385 @@ -config =& load_class('Config'); - $this->uri =& load_class('URI'); - $this->_set_routing(); - log_message('debug', "Router Class Initialized"); - } - - // -------------------------------------------------------------------- - - /** - * Set the route mapping - * - * This function determines what should be served based on the URI request, - * as well as any "routes" that have been set in the routing config file. - * - * @access private - * @return void - */ - function _set_routing() - { - // Are query strings enabled in the config file? - // If so, we're done since segment based URIs are not used with query strings. - if ($this->config->item('enable_query_strings') === TRUE AND isset($_GET[$this->config->item('controller_trigger')])) - { - $this->set_class(trim($this->uri->_filter_uri($_GET[$this->config->item('controller_trigger')]))); - - if (isset($_GET[$this->config->item('function_trigger')])) - { - $this->set_method(trim($this->uri->_filter_uri($_GET[$this->config->item('function_trigger')]))); - } - - return; - } - - // Load the routes.php file. - @include(APPPATH.'config/routes'.EXT); - $this->routes = ( ! isset($route) OR ! is_array($route)) ? array() : $route; - unset($route); - - // Set the default controller so we can display it in the event - // the URI doesn't correlated to a valid controller. - $this->default_controller = ( ! isset($this->routes['default_controller']) OR $this->routes['default_controller'] == '') ? FALSE : strtolower($this->routes['default_controller']); - - // Fetch the complete URI string - $this->uri->_fetch_uri_string(); - - // Is there a URI string? If not, the default controller specified in the "routes" file will be shown. - if ($this->uri->uri_string == '') - { - if ($this->default_controller === FALSE) - { - show_error("Unable to determine what should be displayed. A default route has not been specified in the routing file."); - } - - // Turn the default route into an array. We explode it in the event that - // the controller is located in a subfolder - $segments = $this->_validate_request(explode('/', $this->default_controller)); - - // Set the class and method - $this->set_class($segments[0]); - $this->set_method('index'); - - // Assign the segments to the URI class - $this->uri->rsegments = $segments; - - // re-index the routed segments array so it starts with 1 rather than 0 - $this->uri->_reindex_segments(); - - log_message('debug', "No URI present. Default controller set."); - return; - } - unset($this->routes['default_controller']); - - // Do we need to remove the URL suffix? - $this->uri->_remove_url_suffix(); - - // Compile the segments into an array - $this->uri->_explode_segments(); - - // Parse any custom routing that may exist - $this->_parse_routes(); - - // Re-index the segment array so that it starts with 1 rather than 0 - $this->uri->_reindex_segments(); - } - - // -------------------------------------------------------------------- - - /** - * Set the Route - * - * This function takes an array of URI segments as - * input, and sets the current class/method - * - * @access private - * @param array - * @param bool - * @return void - */ - function _set_request($segments = array()) - { - $segments = $this->_validate_request($segments); - - if (count($segments) == 0) - { - return; - } - - $this->set_class($segments[0]); - - if (isset($segments[1])) - { - // A scaffolding request. No funny business with the URL - if ($this->routes['scaffolding_trigger'] == $segments[1] AND $segments[1] != '_ci_scaffolding') - { - $this->scaffolding_request = TRUE; - unset($this->routes['scaffolding_trigger']); - } - else - { - // A standard method request - $this->set_method($segments[1]); - } - } - else - { - // This lets the "routed" segment array identify that the default - // index method is being used. - $segments[1] = 'index'; - } - - // Update our "routed" segment array to contain the segments. - // Note: If there is no custom routing, this array will be - // identical to $this->uri->segments - $this->uri->rsegments = $segments; - } - - // -------------------------------------------------------------------- - - /** - * Validates the supplied segments. Attempts to determine the path to - * the controller. - * - * @access private - * @param array - * @return array - */ - function _validate_request($segments) - { - // Does the requested controller exist in the root folder? - if (file_exists(APPPATH.'controllers/'.$segments[0].EXT)) - { - return $segments; - } - - // Is the controller in a sub-folder? - if (is_dir(APPPATH.'controllers/'.$segments[0])) - { - // Set the directory and remove it from the segment array - $this->set_directory($segments[0]); - $segments = array_slice($segments, 1); - - if (count($segments) > 0) - { - // Does the requested controller exist in the sub-folder? - if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$segments[0].EXT)) - { - show_404($this->fetch_directory().$segments[0]); - } - } - else - { - $this->set_class($this->default_controller); - $this->set_method('index'); - - // Does the default controller exist in the sub-folder? - if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$this->default_controller.EXT)) - { - $this->directory = ''; - return array(); - } - - } - - return $segments; - } - - // Can't find the requested controller... - show_404($segments[0]); - } - - // -------------------------------------------------------------------- - - /** - * Parse Routes - * - * This function matches any routes that may exist in - * the config/routes.php file against the URI to - * determine if the class/method need to be remapped. - * - * @access private - * @return void - */ - function _parse_routes() - { - // Do we even have any custom routing to deal with? - // There is a default scaffolding trigger, so we'll look just for 1 - if (count($this->routes) == 1) - { - $this->_set_request($this->uri->segments); - return; - } - - // Turn the segment array into a URI string - $uri = implode('/', $this->uri->segments); - - // Is there a literal match? If so we're done - if (isset($this->routes[$uri])) - { - $this->_set_request(explode('/', $this->routes[$uri])); - return; - } - - // Loop through the route array looking for wild-cards - foreach ($this->routes as $key => $val) - { - // Convert wild-cards to RegEx - $key = str_replace(':any', '.+', str_replace(':num', '[0-9]+', $key)); - - // Does the RegEx match? - if (preg_match('#^'.$key.'$#', $uri)) - { - // Do we have a back-reference? - if (strpos($val, '$') !== FALSE AND strpos($key, '(') !== FALSE) - { - $val = preg_replace('#^'.$key.'$#', $val, $uri); - } - - $this->_set_request(explode('/', $val)); - return; - } - } - - // If we got this far it means we didn't encounter a - // matching route so we'll set the site default route - $this->_set_request($this->uri->segments); - } - - // -------------------------------------------------------------------- - - /** - * Set the class name - * - * @access public - * @param string - * @return void - */ - function set_class($class) - { - $this->class = $class; - } - - // -------------------------------------------------------------------- - - /** - * Fetch the current class - * - * @access public - * @return string - */ - function fetch_class() - { - return $this->class; - } - - // -------------------------------------------------------------------- - - /** - * Set the method name - * - * @access public - * @param string - * @return void - */ - function set_method($method) - { - $this->method = $method; - } - - // -------------------------------------------------------------------- - - /** - * Fetch the current method - * - * @access public - * @return string - */ - function fetch_method() - { - if ($this->method == $this->fetch_class()) - { - return 'index'; - } - - return $this->method; - } - - // -------------------------------------------------------------------- - - /** - * Set the directory name - * - * @access public - * @param string - * @return void - */ - function set_directory($dir) - { - $this->directory = $dir.'/'; - } - - // -------------------------------------------------------------------- - - /** - * Fetch the sub-directory (if any) that contains the requested controller class - * - * @access public - * @return string - */ - function fetch_directory() - { - return $this->directory; - } - -} -// END Router Class - -/* End of file Router.php */ +config =& load_class('Config'); + $this->uri =& load_class('URI'); + $this->_set_routing(); + log_message('debug', "Router Class Initialized"); + } + + // -------------------------------------------------------------------- + + /** + * Set the route mapping + * + * This function determines what should be served based on the URI request, + * as well as any "routes" that have been set in the routing config file. + * + * @access private + * @return void + */ + function _set_routing() + { + // Are query strings enabled in the config file? + // If so, we're done since segment based URIs are not used with query strings. + if ($this->config->item('enable_query_strings') === TRUE AND isset($_GET[$this->config->item('controller_trigger')])) + { + $this->set_class(trim($this->uri->_filter_uri($_GET[$this->config->item('controller_trigger')]))); + + if (isset($_GET[$this->config->item('function_trigger')])) + { + $this->set_method(trim($this->uri->_filter_uri($_GET[$this->config->item('function_trigger')]))); + } + + return; + } + + // Load the routes.php file. + @include(APPPATH.'config/routes'.EXT); + $this->routes = ( ! isset($route) OR ! is_array($route)) ? array() : $route; + unset($route); + + // Set the default controller so we can display it in the event + // the URI doesn't correlated to a valid controller. + $this->default_controller = ( ! isset($this->routes['default_controller']) OR $this->routes['default_controller'] == '') ? FALSE : strtolower($this->routes['default_controller']); + + // Fetch the complete URI string + $this->uri->_fetch_uri_string(); + + // Is there a URI string? If not, the default controller specified in the "routes" file will be shown. + if ($this->uri->uri_string == '') + { + if ($this->default_controller === FALSE) + { + show_error("Unable to determine what should be displayed. A default route has not been specified in the routing file."); + } + + // Turn the default route into an array. We explode it in the event that + // the controller is located in a subfolder + $segments = $this->_validate_request(explode('/', $this->default_controller)); + + // Set the class and method + $this->set_class($segments[0]); + $this->set_method('index'); + + // Assign the segments to the URI class + $this->uri->rsegments = $segments; + + // re-index the routed segments array so it starts with 1 rather than 0 + $this->uri->_reindex_segments(); + + log_message('debug', "No URI present. Default controller set."); + return; + } + unset($this->routes['default_controller']); + + // Do we need to remove the URL suffix? + $this->uri->_remove_url_suffix(); + + // Compile the segments into an array + $this->uri->_explode_segments(); + + // Parse any custom routing that may exist + $this->_parse_routes(); + + // Re-index the segment array so that it starts with 1 rather than 0 + $this->uri->_reindex_segments(); + } + + // -------------------------------------------------------------------- + + /** + * Set the Route + * + * This function takes an array of URI segments as + * input, and sets the current class/method + * + * @access private + * @param array + * @param bool + * @return void + */ + function _set_request($segments = array()) + { + $segments = $this->_validate_request($segments); + + if (count($segments) == 0) + { + return; + } + + $this->set_class($segments[0]); + + if (isset($segments[1])) + { + // A scaffolding request. No funny business with the URL + if ($this->routes['scaffolding_trigger'] == $segments[1] AND $segments[1] != '_ci_scaffolding') + { + $this->scaffolding_request = TRUE; + unset($this->routes['scaffolding_trigger']); + } + else + { + // A standard method request + $this->set_method($segments[1]); + } + } + else + { + // This lets the "routed" segment array identify that the default + // index method is being used. + $segments[1] = 'index'; + } + + // Update our "routed" segment array to contain the segments. + // Note: If there is no custom routing, this array will be + // identical to $this->uri->segments + $this->uri->rsegments = $segments; + } + + // -------------------------------------------------------------------- + + /** + * Validates the supplied segments. Attempts to determine the path to + * the controller. + * + * @access private + * @param array + * @return array + */ + function _validate_request($segments) + { + // Does the requested controller exist in the root folder? + if (file_exists(APPPATH.'controllers/'.$segments[0].EXT)) + { + return $segments; + } + + // Is the controller in a sub-folder? + if (is_dir(APPPATH.'controllers/'.$segments[0])) + { + // Set the directory and remove it from the segment array + $this->set_directory($segments[0]); + $segments = array_slice($segments, 1); + + if (count($segments) > 0) + { + // Does the requested controller exist in the sub-folder? + if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$segments[0].EXT)) + { + show_404($this->fetch_directory().$segments[0]); + } + } + else + { + $this->set_class($this->default_controller); + $this->set_method('index'); + + // Does the default controller exist in the sub-folder? + if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$this->default_controller.EXT)) + { + $this->directory = ''; + return array(); + } + + } + + return $segments; + } + + // Can't find the requested controller... + show_404($segments[0]); + } + + // -------------------------------------------------------------------- + + /** + * Parse Routes + * + * This function matches any routes that may exist in + * the config/routes.php file against the URI to + * determine if the class/method need to be remapped. + * + * @access private + * @return void + */ + function _parse_routes() + { + // Do we even have any custom routing to deal with? + // There is a default scaffolding trigger, so we'll look just for 1 + if (count($this->routes) == 1) + { + $this->_set_request($this->uri->segments); + return; + } + + // Turn the segment array into a URI string + $uri = implode('/', $this->uri->segments); + + // Is there a literal match? If so we're done + if (isset($this->routes[$uri])) + { + $this->_set_request(explode('/', $this->routes[$uri])); + return; + } + + // Loop through the route array looking for wild-cards + foreach ($this->routes as $key => $val) + { + // Convert wild-cards to RegEx + $key = str_replace(':any', '.+', str_replace(':num', '[0-9]+', $key)); + + // Does the RegEx match? + if (preg_match('#^'.$key.'$#', $uri)) + { + // Do we have a back-reference? + if (strpos($val, '$') !== FALSE AND strpos($key, '(') !== FALSE) + { + $val = preg_replace('#^'.$key.'$#', $val, $uri); + } + + $this->_set_request(explode('/', $val)); + return; + } + } + + // If we got this far it means we didn't encounter a + // matching route so we'll set the site default route + $this->_set_request($this->uri->segments); + } + + // -------------------------------------------------------------------- + + /** + * Set the class name + * + * @access public + * @param string + * @return void + */ + function set_class($class) + { + $this->class = $class; + } + + // -------------------------------------------------------------------- + + /** + * Fetch the current class + * + * @access public + * @return string + */ + function fetch_class() + { + return $this->class; + } + + // -------------------------------------------------------------------- + + /** + * Set the method name + * + * @access public + * @param string + * @return void + */ + function set_method($method) + { + $this->method = $method; + } + + // -------------------------------------------------------------------- + + /** + * Fetch the current method + * + * @access public + * @return string + */ + function fetch_method() + { + if ($this->method == $this->fetch_class()) + { + return 'index'; + } + + return $this->method; + } + + // -------------------------------------------------------------------- + + /** + * Set the directory name + * + * @access public + * @param string + * @return void + */ + function set_directory($dir) + { + $this->directory = $dir.'/'; + } + + // -------------------------------------------------------------------- + + /** + * Fetch the sub-directory (if any) that contains the requested controller class + * + * @access public + * @return string + */ + function fetch_directory() + { + return $this->directory; + } + +} +// END Router Class + +/* End of file Router.php */ /* Location: ./system/libraries/Router.php */ \ No newline at end of file