static struct prompt_toggle *
find_prompt_toggle(struct prompt_toggle toggles[], size_t toggles_size,
const char *prefix, const char *name, size_t namelen)
{
char prefixed[SIZEOF_STR];
int i;
if (*prefix && namelen == strlen(prefix) &&
!string_enum_compare(prefix, name, namelen)) {
name = "display";
namelen = strlen(name);
}
for (i = 0; i < toggles_size; i++) {
struct prompt_toggle *toggle = &toggles[i];
if (namelen == strlen(toggle->name) &&
!string_enum_compare(toggle->name, name, namelen))
return toggle;
if (enum_name_prefixed(prefixed, sizeof(prefixed), prefix, toggle->name) &&
namelen == strlen(prefixed) &&
!string_enum_compare(prefixed, name, namelen))
return toggle;
}
return NULL;
}
static enum status_code
prompt_toggle_option(struct view *view, const char *argv[], const char *prefix,
struct prompt_toggle *toggle, enum view_flag *flags)
{
char name[SIZEOF_STR];
if (!enum_name_prefixed(name, sizeof(name), prefix, toggle->name))
return error("Failed to toggle option %s", toggle->name);
*flags = toggle->flags;
if (!strcmp(toggle->type, "bool")) {
bool *opt = toggle->opt;
*opt = !*opt;
if (opt == &opt_mouse)
enable_mouse(*opt);
return success("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;
return success("set %s = %s", name, enum_name(map->entries[*opt].name));
} 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 && *opt < 0)
*opt = -*opt;
if (opt == &opt_diff_context && diff < 0) {
if (!*opt)
return error("Diff context cannot be less than zero");
if (*opt < -diff)
diff = -*opt;
}
if (strstr(name, "commit-title-overflow")) {
*opt = *opt ? -*opt : 50;
if (*opt < 0)
return success("set %s = no", name);
diff = 0;
}
*opt += diff;
return success("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;
return success("set %s = %.2f", name, *opt);
} else if (!strcmp(toggle->type, "const char **")) {
const char ***opt = toggle->opt;
bool found = TRUE;
int i;
if (argv_size(argv) <= 2) {
argv_free(*opt);
(*opt)[0] = NULL;
return SUCCESS;
}
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)) {
return ERROR_OUT_OF_MEMORY;
}
return SUCCESS;
} else {
return error("Unsupported `:toggle %s` (%s)", name, toggle->type);
}
}
enum status_code
parse_option(struct option_info *option, const char *prefix, const char *arg)
{
char name[SIZEOF_STR];
if (!enum_name_prefixed(name, sizeof(name), prefix, option->name))
return error("Failed to parse option");
if (!strcmp("show-notes", name)) {
bool *value = option->value;
enum status_code res;
if (parse_bool(option->value, arg) == SUCCESS)
return SUCCESS;
*value = TRUE;
string_copy(opt_notes_arg, NOTES_EQ_ARG);
res = parse_string(opt_notes_arg + STRING_SIZE(NOTES_EQ_ARG), arg,
sizeof(opt_notes_arg) - STRING_SIZE(NOTES_EQ_ARG));
if (res == SUCCESS && !opt_notes_arg[STRING_SIZE(NOTES_EQ_ARG)])
opt_notes_arg[STRING_SIZE(NOTES_ARG)] = 0;
return res;
}
if (!strcmp(option->type, "bool"))
return parse_bool(option->value, arg);
if (!strcmp(option->type, "double"))
return parse_step(option->value, arg);
if (!strncmp(option->type, "enum", 4)) {
const char *type = option->type + STRING_SIZE("enum ");
const struct enum_map *map = find_enum_map(type);
return parse_enum(name, option->value, arg, map);
}
if (!strcmp(option->type, "int")) {
if (strstr(name, "title-overflow")) {
bool enabled = FALSE;
int *value = option->value;
/* We try to parse it as a boolean (and set the
* value to 0 if fale), otherwise we parse it as
* an integer and use the given value. */
if (parse_bool(&enabled, arg) == SUCCESS) {
if (!enabled) {
*value = 0;
return SUCCESS;
}
arg = "50";
}
}
if (!strcmp(name, "line-number-interval") ||
!strcmp(name, "tab-size"))
return parse_int(option->value, arg, 1, 1024);
else if (!strcmp(name, "id-width"))
return parse_int(option->value, arg, 0, SIZEOF_REV - 1);
else
return parse_int(option->value, arg, 0, 1024);
}
return error("Unhandled option: %s", name);
}