146 lines
4.0 KiB
C
146 lines
4.0 KiB
C
/*
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* The new sysinstall program.
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*
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* This is probably the last program in the `sysinstall' line - the next
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* generation being essentially a complete rewrite.
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*
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* $Id: decode.c,v 1.4 1995/05/17 14:39:35 jkh Exp $
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*
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* Copyright (c) 1995
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* Jordan Hubbard. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Jordan Hubbard
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* for the FreeBSD Project.
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* 4. The name of Jordan Hubbard or the FreeBSD project may not be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include "sysinstall.h"
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DMenuItem *
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decode(DMenu *menu, char *name)
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{
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DMenuItem *tmp;
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for (tmp = menu->items; tmp->title; tmp++)
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if (!strcmp(name, (*tmp->title == '*') ? tmp->title + 1 : tmp->title))
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break;
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if (!tmp->title)
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return NULL;
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return tmp;
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}
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Boolean
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dispatch(DMenuItem *tmp, char *name)
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{
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Boolean failed = FALSE;
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switch (tmp->type) {
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/* User whapped ESC twice and wants a sub-shell */
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case DMENU_SHELL_ESCAPE:
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systemShellEscape();
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break;
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/* We want to simply display a file */
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case DMENU_DISPLAY_FILE:
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systemDisplayFile((char *)tmp->ptr);
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break;
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/* It's a sub-menu; recurse on it */
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case DMENU_SUBMENU:
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dmenuOpenSimple((DMenu *)tmp->ptr);
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break;
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/* Execute it as a system command */
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case DMENU_SYSTEM_COMMAND:
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(void)systemExecute((char *)tmp->ptr);
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break;
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/* Same as above, but execute it in a prgbox */
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case DMENU_SYSTEM_COMMAND_BOX:
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use_helpfile(NULL);
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use_helpline("Select OK to dismiss this dialog");
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dialog_prgbox(tmp->title, (char *)tmp->ptr, 22, 76, 1, 1);
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dialog_clear();
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break;
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case DMENU_CALL:
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failed = (((int (*)())tmp->ptr)(name));
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break;
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case DMENU_CANCEL:
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return TRUE;
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case DMENU_SET_VARIABLE:
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variable_set((char *)tmp->ptr);
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break;
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case DMENU_SET_FLAG:
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*((unsigned int *)tmp->ptr) |= tmp->parm;
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break;
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case DMENU_NOP:
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break;
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default:
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msgFatal("Don't know how to deal with menu type %d", tmp->type);
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}
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return failed;
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}
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Boolean
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decode_and_dispatch_multiple(DMenu *menu, char *names)
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{
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DMenuItem *tmp;
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int errors = 0;
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string_prune(names);
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names = string_skipwhite(names);
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while (names) {
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char *cp;
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cp = index(names, '\n');
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if (cp)
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*cp++ = 0;
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/* Were no options actually selected? */
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if (!*names)
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return FALSE;
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if ((tmp = decode(menu, names)) != NULL) {
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if (dispatch(tmp, names))
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++errors;
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}
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else
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msgFatal("Couldn't find a handler for item `%s' in menu `%s'!",
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names, menu->title);
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names = cp;
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}
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return errors ? TRUE : FALSE;
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}
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