/*
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 1.1 2004-07-07 19:59:07 hzi Exp $

package jake2.game;

import java.util.StringTokenizer;

import jake2.*;
import jake2.client.*;
import jake2.qcommon.*;
import jake2.render.*;
import jake2.server.*;

public class Info extends PlayerView {


	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 "";
	}

	/** DANGEROUS, returns the modified userinfo string, was pointer-pointer manipulation first*/
	public static String Info_SetValueForKey1(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 (strlen(key) > MAX_INFO_KEY - 1 || strlen(value) > MAX_INFO_KEY - 1) {
			Com.Printf("Keys and values must be < 64 characters.\n");
			return s;
		}

		StringBuffer sb = new StringBuffer(Info_RemoveKey1(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();
	}
	

	
	/** DANGEROUS, returns now the modified userinfo string.*/
	public static String Info_RemoveKey1(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 old code follows

		/*
		char * start;
		char pkey[512];
		char value[512];
		char * o;
		
		if (key.indexOf('\\')!=-1) {
			Com.Printf ("Can't use a key with a \\\n");
			return s;
		}
		
		while () {
			start = s;
			if (* s == '\\')
				s++;
			o = pkey;
			while (* s != '\\') {
				if (!* s)
					return;
				* o++ = * s++;
			}
			* o = 0;
			s++;
		
			o = value;
			while (* s != '\\' && * s) {
				if (!* s)
					return;
				* o++ = * s++;
			}
			* o = 0;
		
			if (!strcmp(key, pkey)) {
				strcpy(start, s); // remove this part
				return;
			}
		
			if (!* s)
				return;
		}
		*/
	}

	/*
	==================
	Info_Validate
	
	Some characters are illegal in info strings because they
	can mess up the server's parsing
	==================
	*/
	public static boolean Info_Validate(String s) {
		if (s.indexOf('"') != -1)
			//return false;
		if (s.indexOf(';') != -1)
			return false;
		return true;
	}

	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());

		/* some old code follows
		
		char * o;
		int l;
		
		if (* s == '\\')
			s++;
		while (* s) {
			o = key;
			while (* s && * s != '\\')
				* o++ = * s++;
		
			l = o - key;
			if (l < 20) {
				memset(o, ' ', 20 - l);
				key[20] = 0;
			}
			else
				* o = 0;
			Com_Printf("%s", key);
		
			if (!* s) {
				Com_Printf("MISSING VALUE\n");
				return;
			}
		
			o = value;
			s++;
			while (* s && * s != '\\')
				* o++ = * s++;
			* o = 0;
		
			if (* s)
				s++;
			Com_Printf("%s\n", value);
		}
		*/
	}

	public static void testintern(StringBuffer in) {
		in.setLength(0);
		in.append("123!");
	}

}