/*
Eteria IRC Client, an RFC 1459 compliant client program written in Java.
Copyright (C) 2000-2001 Javier Kohen <jkohen at tough.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
import java.util.*;
public class Commands extends ListResourceBundle
{
// Always use lower case for command tags! (See getCommand method below.)
private static final Object [][] contents =
{
// Standard IRC commands.
{ "admin", new Command("ADMIN", 0, 1) },
{ "away", new Command("AWAY", 0, 1) },
{ "connect", new Command("CONNECT", 1, 3) },
{ "info", new Command("INFO", 0, 1) },
{ "invite", new Command("INVITE", 2) },
{ "ison", new Command("ISON", 1) },
{ "join", new Command("JOIN", 1, 2) },
{ "kick", new Command("KICK", 2, 3) },
{ "kill", new Command("KILL", 2) },
{ "links", new Command("LINKS", 0, 2) },
{ "list", new Command("LIST", 0, 2) },
{ "lusers", new Command("LUSERS", 0, 2) },
{ "mode", new Command("MODE", 1, 20) },
{ "motd", new Command("MOTD", 0, 1) },
{ "names", new Command("NAMES", 0, 2) },
{ "notice", new Command("NOTICE", 2) },
{ "nick", new Command("NICK", 1) },
{ "oper", new Command("OPER", 2) },
{ "part", new Command("PART", 0, 2) },
{ "ping", new Command("PING", 1) },
{ "privmsg", new Command("PRIVMSG", 2) },
{ "quit", new Command("QUIT", 0, 1) },
{ "rehash", new Command("REHASH", 0, 1) },
{ "restart", new Command("RESTART", 0) },
{ "squit", new Command("SQUIT", 2) },
{ "stats", new Command("STATS", 0, 2) },
{ "time", new Command("TIME", 0, 1) },
{ "topic", new Command("TOPIC", 1, 2) },
{ "trace", new Command("TRACE", 0, 1) },
{ "userhost", new Command("USERHOST", 1) },
{ "version", new Command("VERSION", 0, 1) },
{ "who", new Command("WHO", 0, 2) },
{ "whois", new Command("WHOIS", 1, 2) },
{ "whowas", new Command("WHOWAS", 1, 3) },
// Internally handled commands.
{ "charset", new Command("CHARSET", 0, 1) },
{ "clear", new Command("CLEAR", 0, 0) },
{ "ctcp", new Command("CTCP", 2) },
{ "debug", new Command("DEBUG", 1) },
{ "eirc", new Command("EIRC", 0) },
{ "ghost", new Command("GHOST", 2) },
{ "help", new Command("HELP", 0, 1) },
{ "ignore", new Command("IGNORE", 0, 1) },
{ "j", "join" },
{ "kban", new Command("KBAN", 1, 3) },
{ "me", new Command("ME", 1) },
{ "msg", "privmsg" },
{ "pingtime", new Command("PINGTIME", 1) },
{ "q", "query" },
{ "query", new Command("QUERY", 1, 2) },
{ "quote", new Command("QUOTE", 1) },
{ "save", new Command("SAVE", 0, 1) },
{ "server", new Command("SERVER", 1, 3) },
{ "serverssl", new Command("SERVERSSL", 1, 3) },
{ "unignore", new Command("UNIGNORE", 1) },
{ "w", "whois" },
};
public Object [][] getContents()
{
return contents;
}
/**
* Parses command-line style input.
*
* @param text the string to parse.
* @return a <code>String</code> array filled with the command name, followed by its parameters.
* @throws MissingResourceException if the command can't be found by Commands.getCommand().
* @throws IllegalArgumentException if there are missing parameters.
*/
public static String [] parseCommand(ResourceBundle cmds, String text) throws MissingResourceException, IllegalArgumentException
{
StringTokenizer st = new StringTokenizer(text);
/* Find command description. */
// The next line may throw a MissingResourceException.
Command c = Commands.getCommand(cmds, st.nextToken());
String action = c.getTag();
int required = c.getRequiredParameters();
int accepted = c.getAcceptedParameters();
Vector result = new Vector();
result.addElement(action);
/* Parse parameters. */
final int tokens = st.countTokens();
if (tokens < required)
throw new IllegalArgumentException("insuficient parameters");
// Add parameters, omit last one because it needs special parsing.
for (int i = 0; i < Math.min(accepted, tokens) - 1; i++)
result.addElement(st.nextToken());
if (tokens > 0)
{
// Add the last parameter, which is allowed to contain spaces.
String tok = st.nextToken("");
result.addElement(tok.trim());
}
String [] ret = new String [result.size()];
result.copyInto(ret);
return ret;
}
/**
* This method resolves Command aliases.
*/
public static Command getCommand(ResourceBundle cmds, String key) throws MissingResourceException
{
Object o = key.toLowerCase(Locale.US);
while ((o = cmds.getObject((String) o)) instanceof String);
return (Command) o;
}
}