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/*
* 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 1.4 1995/05/17 14:39:35 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;
}
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