diff options
Diffstat (limited to 'system/core/Router.php')
| -rw-r--r-- | system/core/Router.php | 156 |
1 files changed, 78 insertions, 78 deletions
diff --git a/system/core/Router.php b/system/core/Router.php index b371d5241..1db1ad836 100644 --- a/system/core/Router.php +++ b/system/core/Router.php @@ -28,14 +28,14 @@ */ class CI_Router { - var $config; - var $routes = array(); + var $config; + var $routes = array(); var $error_routes = array(); var $class = ''; var $method = 'index'; var $directory = ''; var $default_controller; - + /** * Constructor * @@ -47,9 +47,9 @@ class CI_Router { $this->uri =& load_class('URI', 'core'); log_message('debug', "Router Class Initialized"); } - + // -------------------------------------------------------------------- - + /** * Set the route mapping * @@ -60,9 +60,9 @@ class CI_Router { * @return void */ function _set_routing() - { + { // Are query strings enabled in the config file? Normally CI doesn't utilize query strings - // since URI segments are more search-engine friendly, but they can optionally be used. + // since URI segments are more search-engine friendly, but they can optionally be used. // If this feature is enabled, we will gather the directory/class/method a little differently $segments = array(); if ($this->config->item('enable_query_strings') === TRUE AND isset($_GET[$this->config->item('controller_trigger')])) @@ -72,65 +72,65 @@ class CI_Router { $this->set_directory(trim($this->uri->_filter_uri($_GET[$this->config->item('directory_trigger')]))); $segments[] = $this->fetch_directory(); } - + if (isset($_GET[$this->config->item('controller_trigger')])) { $this->set_class(trim($this->uri->_filter_uri($_GET[$this->config->item('controller_trigger')]))); $segments[] = $this->fetch_class(); } - + if (isset($_GET[$this->config->item('function_trigger')])) { $this->set_method(trim($this->uri->_filter_uri($_GET[$this->config->item('function_trigger')]))); $segments[] = $this->fetch_method(); } } - + // 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']); - + $this->default_controller = ( ! isset($this->routes['default_controller']) OR $this->routes['default_controller'] == '') ? FALSE : strtolower($this->routes['default_controller']); + // Were there any query string segments? If so, we'll validate them and bail out since we're done. if (count($segments) > 0) { return $this->_validate_request($segments); } - + // 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 == '') { return $this->_set_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(); - + $this->_parse_routes(); + // Re-index the segment array so that it starts with 1 rather than 0 $this->uri->_reindex_segments(); } // -------------------------------------------------------------------- - + /** * Set the default controller * * @access private * @return void - */ + */ function _set_default_controller() { if ($this->default_controller === FALSE) @@ -141,26 +141,26 @@ class CI_Router { if (strpos($this->default_controller, '/') !== FALSE) { $x = explode('/', $this->default_controller); - + $this->set_class($x[0]); $this->set_method($x[1]); $this->_set_request(array($x[0], $x[1])); - } + } else { $this->set_class($this->default_controller); $this->set_method('index'); $this->_set_request(array($this->default_controller, 'index')); } - + // re-index the routed segments array so it starts with 1 rather than 0 $this->uri->_reindex_segments(); - + log_message('debug', "No URI present. Default controller set."); } - + // -------------------------------------------------------------------- - + /** * Set the Route * @@ -173,16 +173,16 @@ class CI_Router { * @return void */ function _set_request($segments = array()) - { + { $segments = $this->_validate_request($segments); - + if (count($segments) == 0) { return $this->_set_default_controller(); } - + $this->set_class($segments[0]); - + if (isset($segments[1])) { // A standard method request @@ -194,15 +194,15 @@ class CI_Router { // 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 = $segments; } - + // -------------------------------------------------------------------- - + /** * Validates the supplied segments. Attempts to determine the path to * the controller. @@ -210,33 +210,33 @@ class CI_Router { * @access private * @param array * @return array - */ + */ function _validate_request($segments) { if (count($segments) == 0) { return $segments; } - + // Does the requested controller exist in the root folder? if (file_exists(APPPATH.'controllers/'.$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().$segments[0]); + show_404($this->fetch_directory().$segments[0]); } } else @@ -245,29 +245,29 @@ class CI_Router { if (strpos($this->default_controller, '/') !== FALSE) { $x = explode('/', $this->default_controller); - + $this->set_class($x[0]); $this->set_method($x[1]); - } + } 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 $segments; } - - + + // If we've gotten this far it means that the URI does not correlate to a valid // controller class. We will now see if there is an override if (isset($this->routes['404_override']) AND $this->routes['404_override'] != '') @@ -275,20 +275,20 @@ class CI_Router { if (strpos($this->routes['404_override'], '/') !== FALSE) { $x = explode('/', $this->routes['404_override']); - + $this->set_class($x[0]); $this->set_method($x[1]); - + return $x; - } + } } - + // Nothing else to do at this point but show a 404 - show_404($segments[0]); + show_404($segments[0]); } - + // -------------------------------------------------------------------- - + /** * Parse Routes * @@ -303,16 +303,16 @@ class CI_Router { { // 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])) { return $this->_set_request(explode('/', $this->routes[$uri])); } - + // 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)); @@ -324,8 +324,8 @@ class CI_Router { { $val = preg_replace('#^'.$key.'$#', $val, $uri); } - - return $this->_set_request(explode('/', $val)); + + return $this->_set_request(explode('/', $val)); } } @@ -335,54 +335,54 @@ class CI_Router { } // -------------------------------------------------------------------- - + /** * Set the class name * * @access public * @param string * @return void - */ + */ function set_class($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 == $this->fetch_class()) @@ -394,58 +394,58 @@ class CI_Router { } // -------------------------------------------------------------------- - + /** * Set the directory name * * @access public * @param string * @return void - */ + */ function set_directory($dir) { $this->directory = trim($dir, '/').'/'; } // -------------------------------------------------------------------- - + /** * Fetch the sub-directory (if any) that contains the requested controller class * * @access public * @return string - */ + */ function fetch_directory() { return $this->directory; } // -------------------------------------------------------------------- - + /** * Set the controller overrides * * @access public * @param array * @return null - */ + */ function _set_overrides($routing) { if ( ! is_array($routing)) { return; } - + if (isset($routing['directory'])) { $this->set_directory($routing['directory']); } - + if (isset($routing['controller']) AND $routing['controller'] != '') { $this->set_class($routing['controller']); } - + if (isset($routing['function'])) { $routing['function'] = ($routing['function'] == '') ? 'index' : $routing['function']; |