router =& _load_class('CI_Router'); log_message('debug', "URI Class Initialized"); } // -------------------------------------------------------------------- /** * Fetch a URI Segment * * This function returns the URI segment based on the number provided. * * @access public * @param integer * @param bool * @return string */ function segment($n, $no_result = FALSE) { return ( ! isset($this->router->segments[$n])) ? $no_result : $this->router->segments[$n]; } // -------------------------------------------------------------------- /** * Generate a key value pair from the URI string * * This function generates and associative array of URI data starting * at the supplied segment. For example, if this is your URI: * * www.your-site.com/user/search/name/joe/location/UK/gender/male * * You can use this function to generate an array with this prototype: * * array ( * name => joe * location => UK * gender => male * ) * * @access public * @param integer the starting segment number * @param array an array of default values * @return array */ function uri_to_assoc($n = 3, $default = array()) { if ( ! is_numeric($n)) { return $default; } if (isset($this->keyval[$n])) { return $this->keyval[$n]; } if ($this->total_segments() < $n) { if (count($default) == 0) { return array(); } $retval = array(); foreach ($default as $val) { $retval[$val] = FALSE; } return $retval; } $segments = array_slice($this->segment_array(), ($n - 1)); $i = 0; $lastval = ''; $retval = array(); foreach ($segments as $seg) { if ($i % 2) { $retval[$lastval] = $seg; } else { $retval[$seg] = FALSE; $lastval = $seg; } $i++; } if (count($default) > 0) { foreach ($default as $val) { if ( ! array_key_exists($val, $retval)) { $retval[$val] = FALSE; } } } // Cache the array for reuse $this->keyval[$n] = $retval; return $retval; } /** * Generate a URI string from an associative array * * * @access public * @param array an associative array of key/values * @return array */ function assoc_to_uri($array) { $temp = array(); foreach ((array)$array as $key => $val) { $temp[] = $key; $temp[] = $val; } return implode('/', $temp); } // -------------------------------------------------------------------- /** * Fetch a URI Segment and add a trailing slash * * @access public * @param integer * @param string * @return string */ function slash_segment($n, $where = 'trailing') { if ($where == 'trailing') { $trailing = '/'; $leading = ''; } elseif ($where == 'leading') { $leading = '/'; $trailing = ''; } else { $leading = '/'; $trailing = '/'; } return ( ! isset($this->router->segments[$n])) ? '' : $leading.$this->router->segments[$n].$trailing; } // -------------------------------------------------------------------- /** * Segment Array * * @access public * @return array */ function segment_array() { return $this->router->segments; } // -------------------------------------------------------------------- /** * Total number of segments * * @access public * @return integer */ function total_segments() { return count($this->router->segments); } // -------------------------------------------------------------------- /** * Fetch the entire URI string * * @access public * @return string */ function uri_string() { return $this->router->uri_string; } } // END URI Class ?>