cmds.h revision 56160 
1/* cmds.h -- declarations for cmds.c.
2   $Id: cmds.h,v 1.4 1999/04/25 20:43:51 karl Exp $
3
4   Copyright (C) 1998, 99 Free Software Foundation, Inc.
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 2, or (at your option)
9   any later version.
10
11   This program is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   GNU General Public License for more details.
15
16   You should have received a copy of the GNU General Public License along
17   with this program; if not, write to the Free Software Foundation, Inc.,
18   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
19
20#ifndef CMDS_H
21#define CMDS_H
22
23/* The three arguments a command can get are a flag saying whether it is
24   before argument parsing (START) or after (END), the starting position
25   of the arguments, and the ending position.  */
26typedef void COMMAND_FUNCTION (); /* So we can say COMMAND_FUNCTION *foo; */
27
28/* Each command has an associated function.  When the command is
29   encountered in the text, the associated function is called with START
30   as the argument.  If the function expects arguments in braces, it
31   remembers itself on the stack.  When the corresponding close brace is
32   encountered, the function is called with END as the argument. */
33#define START 0
34#define END 1
35
36/* Does the command expect braces?  */
37#define NO_BRACE_ARGS 0
38#define BRACE_ARGS 1
39#define MAYBE_BRACE_ARGS 2
40
41typedef struct
42{
43  char *name;
44  COMMAND_FUNCTION *proc;
45  int argument_in_braces;
46} COMMAND;
47
48extern COMMAND command_table[];
49
50#endif /* !CMDS_H */
51