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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdint.h>
#include "c.h"
#include "fdisk.h"
struct menu_entry {
const char key;
const char *title;
unsigned int normal : 1,
expert : 1,
hidden : 1;
enum fdisk_labeltype exclude;
};
#define IS_MENU_SEP(e) ((e)->key == '-')
#define IS_MENU_HID(e) ((e)->hidden)
struct menu {
enum fdisk_labeltype label; /* only for this label */
enum fdisk_labeltype exclude; /* all labels except this */
int (*callback)(struct fdisk_context *, struct menu *, int);
struct menu_entry entries[]; /* NULL terminated array */
};
struct menu_context {
size_t menu_idx; /* the current menu */
size_t entry_idx; /* index with in the current menu */
};
#define MENU_CXT_EMPTY { 0, 0 }
/*
* Menu entry macros:
* MENU_X* expert mode only
* MENU_B* both -- expert + normal mode
*
* *_E exclude
* *_H hidden
*/
/* separator */
#define MENU_SEP(t) { .title = t, .key = '-', .normal = 1 }
#define MENU_XSEP(t) { .title = t, .key = '-', .expert = 1 }
#define MENU_BSEP(t) { .title = t, .key = '-', .expert = 1, .normal = 1 }
/* entry */
#define MENU_ENT(k, t) { .title = t, .key = k, .normal = 1 }
#define MENU_ENT_E(k, t, l) { .title = t, .key = k, .normal = 1, .exclude = l }
#define MENU_XENT(k, t) { .title = t, .key = k, .expert = 1 }
#define MENU_XENT_H(k, t) { .title = t, .key = k, .expert = 1, .hidden = 1 }
#define MENU_BENT(k, t) { .title = t, .key = k, .expert = 1, .normal = 1 }
/* Generic menu */
struct menu menu_generic = {
/* .callback = generic_menu_cb,*/
.entries = {
MENU_XENT('d', N_("print the raw data of the first sector")),
MENU_SEP(N_("Alter partition table")),
MENU_ENT ('d', N_("delete a partition")),
MENU_ENT ('l', N_("list known partition types")),
MENU_ENT ('n', N_("add a new partition")),
MENU_BENT ('p', N_("print the partition table")),
MENU_ENT ('t', N_("change a partition's system id")),
MENU_ENT ('v', N_("verify the partition table")),
MENU_SEP(N_("Misc")),
MENU_BENT ('m', N_("print this menu")),
MENU_ENT_E('u', N_("change display/entry units"), FDISK_DISKLABEL_GPT),
MENU_ENT ('x', N_("extra functionality (experts only)")),
MENU_BSEP(N_("Save & Exit")),
MENU_ENT_E('w', N_("write table to disk and exit"), FDISK_DISKLABEL_OSF),
MENU_BENT ('q', N_("quit without saving changes")),
MENU_XENT ('r', N_("return to main menu")),
{ 0, NULL }
}
};
struct menu menu_createlabel = {
/* .callback = createlabel_menu_cb, */
.exclude = FDISK_DISKLABEL_OSF,
.entries = {
MENU_SEP(N_("Create a new label")),
MENU_ENT('g', N_("create a new empty GPT partition table")),
MENU_ENT('G', N_("create a new empty SGI (IRIX) partition table")),
MENU_ENT('o', N_("create a new empty DOS partition table")),
MENU_ENT('s', N_("create a new empty Sun partition table")),
/* backward compatibility -- be sensitive to 'g', but don't
* print it in the expert menu */
MENU_XENT_H('g', N_("create an IRIX (SGI) partition table")),
{ 0, NULL }
}
};
struct menu menu_gpt = {
/* .callback = gpt_menu_cb, */
.label = FDISK_DISKLABEL_GPT,
.entries = {
MENU_XSEP(N_("GPT")),
MENU_XENT('u', N_("change partition UUID")),
MENU_XENT('n', N_("change partition name")),
{ 0, NULL }
}
};
struct menu menu_sun = {
/* .callback = sun_menu_cb, */
.label = FDISK_DISKLABEL_SUN,
.entries = {
MENU_BSEP(N_("Sun")),
MENU_ENT('a', N_("toggle a read only flag")),
MENU_ENT('c', N_("toggle the mountable flag")),
MENU_XENT('a', N_("change number of alternate cylinders")),
MENU_XENT('c', N_("change number of cylinders")),
MENU_XENT('e', N_("change number of extra sectors per cylinder")),
MENU_XENT('h', N_("change number of heads")),
MENU_XENT('i', N_("change interleave factor")),
MENU_XENT('o', N_("change rotation speed (rpm)")),
MENU_XENT('s', N_("change number of sectors/track")),
MENU_XENT('y', N_("change number of physical cylinders")),
{ 0, NULL }
}
};
static const struct menu *menus[] = {
&menu_generic,
&menu_createlabel,
&menu_gpt,
&menu_sun
};
static const struct menu_entry *next_menu_entry(
struct fdisk_context *cxt,
struct menu_context *mc)
{
while (mc->menu_idx < ARRAY_SIZE(menus)) {
const struct menu *m = menus[mc->menu_idx];
const struct menu_entry *e = &(m->entries[mc->entry_idx]);
/* move to the next submenu if there is no more entries */
if (e->title == NULL ||
(m->label && cxt->label && !(m->label & cxt->label->id))) {
mc->menu_idx++;
mc->entry_idx = 0;
continue;
}
/* is the entry excluded for the current label? */
if ((e->exclude && cxt->label &&
e->exclude & cxt->label->id) ||
/* exclude non-expert entries in expect mode */
(e->expert == 0 && fdisk_context_display_details(cxt)) ||
/* exclude non-normal entries in normal mode */
(e->normal == 0 && !fdisk_context_display_details(cxt))) {
mc->entry_idx++;
continue;
}
mc->entry_idx++;
return e;
}
return NULL;
}
static int print_fdisk_menu(struct fdisk_context *cxt)
{
struct menu_context mc = MENU_CXT_EMPTY;
const struct menu_entry *e;
if (fdisk_context_display_details(cxt))
printf(_("\nExpert commands:\n"));
else
printf(_("\nCommands:\n"));
while ((e = next_menu_entry(cxt, &mc))) {
if (IS_MENU_HID(e))
continue; /* hidden entry */
if (IS_MENU_SEP(e))
printf("\n %s\n", _(e->title));
else
printf(" %c %s\n", e->key, _(e->title));
}
fputc('\n', stdout);
return 0;
}
#ifdef TEST_PROGRAM
struct fdisk_label *fdisk_new_dos_label(struct fdisk_context *cxt) { return NULL; }
struct fdisk_label *fdisk_new_bsd_label(struct fdisk_context *cxt) { return NULL; }
struct fdisk_label *fdisk_new_mac_label(struct fdisk_context *cxt) { return NULL; }
struct fdisk_label *fdisk_new_sgi_label(struct fdisk_context *cxt) { return NULL; }
int main(int argc, char *argv[])
{
struct fdisk_context *cxt;
int idx = 1;
fdisk_init_debug(0);
cxt = fdisk_new_context();
if (argc > idx && strcmp(argv[idx], "--expert") == 0) {
fdisk_context_enable_details(cxt, 1);
idx++;
}
fdisk_context_switch_label(cxt, argc > idx ? argv[idx] : "gpt");
print_fdisk_menu(cxt);
return 0;
}
#endif
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