diff options
Diffstat (limited to 'release/sysinstall/decode.c')
-rw-r--r-- | release/sysinstall/decode.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/release/sysinstall/decode.c b/release/sysinstall/decode.c new file mode 100644 index 0000000..75ee6a1 --- /dev/null +++ b/release/sysinstall/decode.c @@ -0,0 +1,148 @@ +/* + * The new sysinstall program. + * + * This is probably the last program in the `sysinstall' line - the next + * generation being essentially a complete rewrite. + * + * $Id: install.c,v 1.13 1995/05/08 21:39:37 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; + int choice, scroll, curr, max; + + choice = scroll = curr = max = 0; + 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: + dmenuOpen((DMenu *)tmp->ptr, &choice, &scroll, &curr, &max); + 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 FALSE; + + case DMENU_SET_VARIABLE: + variable_set((char *)tmp->ptr); + msgInfo("Setting option %s", 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; +} + |