GenerateValidIP()

string ScriptedWidgetEventHandler::GenerateValidIP ( string potential_ip )

inlineprotected

Attempts to generate a valid IP address & port from the given string in format like this: "192.168.0.2:2503". If the process fails, then an empty string is returned.

См. определение в файле ServerBrowserFilterContainer.c строка 289

    {
        string correct_ip_format;
        
        TStringArray array_ip_and_port = new TStringArray;
        potential_ip.Split(":", array_ip_and_port);
        
        string ip_entries;
        int port;
        
        if(array_ip_and_port.Count() > 0)
        {
            ip_entries = array_ip_and_port.Get(0);
            TStringArray array_ip = new TStringArray;
            ip_entries.Split(".", array_ip);
            
            string ip_string;
            int ip_entries_count = array_ip.Count();
            
            if (ip_entries_count <= 3  ||  ip_entries_count > 4)
                return "";
            
            for (int i = 0; i < 4; i++)
            {
                int ip_entry = array_ip.Get(i).ToInt();
                
                // Check if the entry is a valid number
                if (ip_entry > 255  ||  ip_entry < 0)
                    ip_entry = 0;
                
                ip_string = ip_string + ip_entry.ToString();
                
                if (i < ip_entries_count - 1)
                    ip_string = ip_string + ".";
                ;
            }
            
            correct_ip_format = ip_string;
        }
        else
        {
            ip_entries = "";
            correct_ip_format = ip_entries;
        }
 
        if (correct_ip_format == "")
            return ""; // Input string was not recognized as a valid IP address. Thus return an empty string.
        
        // The input string was recognized as a valid IP address. Thus continue with port number.
        
        if(array_ip_and_port.Count() > 1)
        {
            port = array_ip_and_port.Get(1).ToInt();
            
            if (port > 65535  |  port < 0) // max port value is 65535
                port = 2302;
            
            
            if (port >= 0)
                correct_ip_format = correct_ip_format + ":" + port.ToString();
            
        }
        else
        {
            port = 2302;
            correct_ip_format = correct_ip_format + ":" + port.ToString();
        }
        
        return correct_ip_format;
    }

Перекрестные ссылки string::Get(), string::Split(), string::ToString() и TStringArray.