freebsd-dev/release/sysinstall/decode.c
Jordan K. Hubbard d0eeafc570 Commit my latest so that Gary can sync up - this version should also
be the grounds for our first round of testing in the release I'm rolling.
It doesn't load the distributions yet, but it should do everything else.
1995-05-17 14:40:00 +00:00

146 lines
4.0 KiB
C

/*
* The new sysinstall program.
*
* This is probably the last program in the `sysinstall' line - the next
* generation being essentially a complete rewrite.
*
* $Id: decode.c,v 1.3 1995/05/16 02:52:57 jkh Exp $
*
* Copyright (c) 1995
* Jordan Hubbard. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* verbatim and that no modifications are made prior to this
* point in the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Jordan Hubbard
* for the FreeBSD Project.
* 4. The name of Jordan Hubbard or the FreeBSD project may not be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include "sysinstall.h"
DMenuItem *
decode(DMenu *menu, char *name)
{
DMenuItem *tmp;
for (tmp = menu->items; tmp->title; tmp++)
if (!strcmp(name, (*tmp->title == '*') ? tmp->title + 1 : tmp->title))
break;
if (!tmp->title)
return NULL;
return tmp;
}
Boolean
dispatch(DMenuItem *tmp, char *name)
{
Boolean failed = FALSE;
switch (tmp->type) {
/* User whapped ESC twice and wants a sub-shell */
case DMENU_SHELL_ESCAPE:
systemShellEscape();
break;
/* We want to simply display a file */
case DMENU_DISPLAY_FILE:
systemDisplayFile((char *)tmp->ptr);
break;
/* It's a sub-menu; recurse on it */
case DMENU_SUBMENU:
dmenuOpenSimple((DMenu *)tmp->ptr);
break;
/* Execute it as a system command */
case DMENU_SYSTEM_COMMAND:
(void)systemExecute((char *)tmp->ptr);
break;
/* Same as above, but execute it in a prgbox */
case DMENU_SYSTEM_COMMAND_BOX:
use_helpfile(NULL);
use_helpline("Select OK to dismiss this dialog");
dialog_prgbox(tmp->title, (char *)tmp->ptr, 22, 76, 1, 1);
dialog_clear();
break;
case DMENU_CALL:
failed = (((int (*)())tmp->ptr)(name));
break;
case DMENU_CANCEL:
return TRUE;
case DMENU_SET_VARIABLE:
variable_set((char *)tmp->ptr);
break;
case DMENU_SET_FLAG:
*((unsigned int *)tmp->ptr) |= tmp->parm;
break;
case DMENU_NOP:
break;
default:
msgFatal("Don't know how to deal with menu type %d", tmp->type);
}
return failed;
}
Boolean
decode_and_dispatch_multiple(DMenu *menu, char *names)
{
DMenuItem *tmp;
int errors = 0;
string_prune(names);
names = string_skipwhite(names);
while (names) {
char *cp;
cp = index(names, '\n');
if (cp)
*cp++ = 0;
/* Were no options actually selected? */
if (!*names)
return FALSE;
if ((tmp = decode(menu, names)) != NULL) {
if (dispatch(tmp, names))
++errors;
}
else
msgFatal("Couldn't find a handler for item `%s' in menu `%s'!",
names, menu->title);
names = cp;
}
return errors ? TRUE : FALSE;
}