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/*
* Cbuf.java
* Copyright (C) 2003
*
* $Id: Cbuf.java,v 1.8 2005-12-18 22:10:09 cawe Exp $
*/
/*
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.
*/
package jake2.qcommon;
import jake2.Defines;
import jake2.Globals;
import jake2.game.Cmd;
import jake2.util.Lib;
/**
* Cbuf
*/
public final class Cbuf {
private static final byte[] line = new byte[1024];
private static final byte[] tmp = new byte[8192];
/**
*
*/
public static void Init() {
SZ.Init(Globals.cmd_text, Globals.cmd_text_buf,
Globals.cmd_text_buf.length);
}
public static void InsertText(String text) {
int templen = 0;
// copy off any commands still remaining in the exec buffer
templen = Globals.cmd_text.cursize;
if (templen != 0) {
System.arraycopy(Globals.cmd_text.data, 0, tmp, 0, templen);
SZ.Clear(Globals.cmd_text);
}
// add the entire text of the file
Cbuf.AddText(text);
// add the copied off data
if (templen != 0) {
SZ.Write(Globals.cmd_text, tmp, templen);
}
}
/**
* @param clear
*/
static void AddEarlyCommands(boolean clear) {
for (int i = 0; i < Com.Argc(); i++) {
String s = Com.Argv(i);
if (!s.equals("+set"))
continue;
Cbuf.AddText("set " + Com.Argv(i + 1) + " " + Com.Argv(i + 2)
+ "\n");
if (clear) {
Com.ClearArgv(i);
Com.ClearArgv(i + 1);
Com.ClearArgv(i + 2);
}
i += 2;
}
}
/**
* @return
*/
static boolean AddLateCommands() {
int i;
int j;
boolean ret = false;
// build the combined string to parse from
int s = 0;
int argc = Com.Argc();
for (i = 1; i < argc; i++) {
s += Com.Argv(i).length();
}
if (s == 0)
return false;
String text = "";
for (i = 1; i < argc; i++) {
text += Com.Argv(i);
if (i != argc - 1)
text += " ";
}
// pull out the commands
String build = "";
for (i = 0; i < text.length(); i++) {
if (text.charAt(i) == '+') {
i++;
for (j = i; j < text.length() && (text.charAt(j) != '+') && (text.charAt(j) != '-'); j++);
build += text.substring(i, j);
build += "\n";
i = j - 1;
}
}
ret = (build.length() != 0);
if (ret)
Cbuf.AddText(build);
text = null;
build = null;
return ret;
}
/**
* @param text
*/
public static void AddText(String text) {
int l = text.length();
if (Globals.cmd_text.cursize + l >= Globals.cmd_text.maxsize) {
Com.Printf("Cbuf_AddText: overflow\n");
return;
}
SZ.Write(Globals.cmd_text, Lib.stringToBytes(text), l);
}
/**
*
*/
public static void Execute() {
byte[] text = null;
Globals.alias_count = 0; // don't allow infinite alias loops
while (Globals.cmd_text.cursize != 0) {
// find a \n or ; line break
text = Globals.cmd_text.data;
int quotes = 0;
int i;
for (i = 0; i < Globals.cmd_text.cursize; i++) {
if (text[i] == '"')
quotes++;
if (!(quotes % 2 != 0) && text[i] == ';')
break; // don't break if inside a quoted string
if (text[i] == '\n')
break;
}
System.arraycopy(text, 0, line, 0, i);
line[i] = 0;
// delete the text from the command buffer and move remaining
// commands down
// this is necessary because commands (exec, alias) can insert data
// at the
// beginning of the text buffer
if (i == Globals.cmd_text.cursize)
Globals.cmd_text.cursize = 0;
else {
i++;
Globals.cmd_text.cursize -= i;
//byte[] tmp = new byte[Globals.cmd_text.cursize];
System.arraycopy(text, i, tmp, 0, Globals.cmd_text.cursize);
System.arraycopy(tmp, 0, text, 0, Globals.cmd_text.cursize);
text[Globals.cmd_text.cursize] = '\0';
}
// execute the command line
int len = Lib.strlen(line);
String cmd = new String(line, 0, len);
Cmd.ExecuteString(cmd);
if (Globals.cmd_wait) {
// skip out while text still remains in buffer, leaving it
// for next frame
Globals.cmd_wait = false;
break;
}
}
}
public static void ExecuteText(int exec_when, String text) {
switch (exec_when) {
case Defines.EXEC_NOW:
Cmd.ExecuteString(text);
break;
case Defines.EXEC_INSERT:
Cbuf.InsertText(text);
break;
case Defines.EXEC_APPEND:
Cbuf.AddText(text);
break;
default:
Com.Error(Defines.ERR_FATAL, "Cbuf_ExecuteText: bad exec_when");
}
}
/*
* ============ Cbuf_CopyToDefer ============
*/
public static void CopyToDefer() {
System.arraycopy(Globals.cmd_text_buf, 0, Globals.defer_text_buf, 0,
Globals.cmd_text.cursize);
Globals.defer_text_buf[Globals.cmd_text.cursize] = 0;
Globals.cmd_text.cursize = 0;
}
/*
* ============ Cbuf_InsertFromDefer ============
*/
public static void InsertFromDefer() {
InsertText(new String(Globals.defer_text_buf).trim());
Globals.defer_text_buf[0] = 0;
}
}
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