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/*
* Copyright (C) 1997-2001 Id Software, Inc.
*
* 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.
*
*/
// Created on 27.12.2003 by RST.
// $Id: Info.java,v 1.7 2006-01-10 13:09:18 hzi Exp $
package jake2.game;
import jake2.Defines;
import jake2.qcommon.Com;
import java.util.StringTokenizer;
public class Info {
/**
* Returns a value for a key from an info string.
*/
public static String Info_ValueForKey(String s, String key) {
StringTokenizer tk = new StringTokenizer(s, "\\");
while (tk.hasMoreTokens()) {
String key1 = tk.nextToken();
if (!tk.hasMoreTokens()) {
Com.Printf("MISSING VALUE\n");
return s;
}
String value1 = tk.nextToken();
if (key.equals(key1))
return value1;
}
return "";
}
/**
* Sets a value for a key in the user info string.
*/
public static String Info_SetValueForKey(String s, String key, String value) {
if (value == null || value.length() == 0)
return s;
if (key.indexOf('\\') != -1 || value.indexOf('\\') != -1) {
Com.Printf("Can't use keys or values with a \\\n");
return s;
}
if (key.indexOf(';') != -1) {
Com.Printf("Can't use keys or values with a semicolon\n");
return s;
}
if (key.indexOf('"') != -1 || value.indexOf('"') != -1) {
Com.Printf("Can't use keys or values with a \"\n");
return s;
}
if (key.length() > Defines.MAX_INFO_KEY - 1
|| value.length() > Defines.MAX_INFO_KEY - 1) {
Com.Printf("Keys and values must be < 64 characters.\n");
return s;
}
StringBuffer sb = new StringBuffer(Info_RemoveKey(s, key));
if (sb.length() + 2 + key.length() + value.length() > Defines.MAX_INFO_STRING) {
Com.Printf("Info string length exceeded\n");
return s;
}
sb.append('\\').append(key).append('\\').append(value);
return sb.toString();
}
/**
* Removes a key and value from an info string.
*/
public static String Info_RemoveKey(String s, String key) {
StringBuffer sb = new StringBuffer(512);
if (key.indexOf('\\') != -1) {
Com.Printf("Can't use a key with a \\\n");
return s;
}
StringTokenizer tk = new StringTokenizer(s, "\\");
while (tk.hasMoreTokens()) {
String key1 = tk.nextToken();
if (!tk.hasMoreTokens()) {
Com.Printf("MISSING VALUE\n");
return s;
}
String value1 = tk.nextToken();
if (!key.equals(key1))
sb.append('\\').append(key1).append('\\').append(value1);
}
return sb.toString();
}
/**
* Some characters are illegal in info strings because they can mess up the
* server's parsing.
*/
public static boolean Info_Validate(String s) {
return !((s.indexOf('"') != -1) || (s.indexOf(';') != -1));
}
private static String fillspaces = " ";
public static void Print(String s) {
StringBuffer sb = new StringBuffer(512);
StringTokenizer tk = new StringTokenizer(s, "\\");
while (tk.hasMoreTokens()) {
String key1 = tk.nextToken();
if (!tk.hasMoreTokens()) {
Com.Printf("MISSING VALUE\n");
return;
}
String value1 = tk.nextToken();
sb.append(key1);
int len = key1.length();
if (len < 20) {
sb.append(fillspaces.substring(len));
}
sb.append('=').append(value1).append('\n');
}
Com.Printf(sb.toString());
}
}
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