enum status_code
format_ref_formats(struct ref_format **formats, char buf[], size_t bufsize)
{
const struct enum_map *map = reference_type_map;
char name[SIZEOF_STR];
enum reference_type type;
size_t bufpos = 0;
const char *sep = "";
for (type = 0; type < map->size; type++) {
struct ref_format *format = formats[type];
if (!format)
continue;
if (!enum_name_copy(name, sizeof(name), map->entries[type].name)
|| !string_nformat(buf, bufsize, &bufpos, "%s%s%s%s",
sep, format->start, name, format->end))
return error("No space left in buffer");
sep = " ";
}
return SUCCESS;
}
static enum view_flag
prompt_toggle_option(struct view *view, const char *argv[],
struct prompt_toggle *toggle, char msg[SIZEOF_STR])
{
char name[SIZEOF_STR];
enum_name_copy(name, toggle->name, strlen(toggle->name));
if (!strcmp(toggle->type, "bool")) {
bool *opt = toggle->opt;
*opt = !*opt;
string_format_size(msg, SIZEOF_STR, "set %s = %s", name, *opt ? "yes" : "no");
} else if (!strncmp(toggle->type, "enum", 4)) {
const char *type = toggle->type + STRING_SIZE("enum ");
enum author *opt = toggle->opt;
const struct enum_map *map = find_enum_map(type);
*opt = (*opt + 1) % map->size;
string_format_size(msg, SIZEOF_STR, "set %s = %s", name,
enum_name(map->entries[*opt]));
} else if (!strcmp(toggle->type, "int")) {
const char *arg = argv[2] ? argv[2] : "1";
int diff = atoi(arg);
int *opt = toggle->opt;
if (!diff)
diff = *arg == '-' ? -1 : 1;
if (opt == &opt_diff_context && diff < 0) {
if (!*opt) {
report("Diff context cannot be less than zero");
return VIEW_NO_FLAGS;
}
if (*opt < -diff)
diff = -*opt;
}
if (opt == &opt_title_overflow) {
*opt = *opt ? -*opt : 50;
if (*opt < 0) {
string_format_size(msg, SIZEOF_STR, "set %s = no", name);
return toggle->flags;
}
}
*opt += diff;
string_format_size(msg, SIZEOF_STR, "set %s = %d", name, *opt);
} else if (!strcmp(toggle->type, "double")) {
const char *arg = argv[2] ? argv[2] : "1.0";
double *opt = toggle->opt;
int sign = 1;
double diff;
if (*arg == '-') {
sign = -1;
arg++;
}
if (parse_step(&diff, arg) != SUCCESS)
diff = strtod(arg, NULL);
*opt += sign * diff;
string_format_size(msg, SIZEOF_STR, "set %s = %.2f", name, *opt);
} else if (!strcmp(toggle->type, "const char **")) {
const char ***opt = toggle->opt;
bool found = TRUE;
int i;
for (i = 2; argv[i]; i++) {
if (!find_arg(*opt, argv[i])) {
found = FALSE;
break;
}
}
if (found) {
int next, pos;
for (next = 0, pos = 0; (*opt)[pos]; pos++) {
const char *arg = (*opt)[pos];
if (find_arg(argv + 2, arg)) {
free((void *) arg);
continue;
}
(*opt)[next++] = arg;
}
(*opt)[next] = NULL;
} else if (!argv_copy(opt, argv + 2)) {
report("Failed to append arguments");
return VIEW_NO_FLAGS;
}
} else {
die("Unsupported `:toggle %s` (%s)", name, toggle->type);
}
return toggle->flags;
}
