/// Gets the value of a global or local(buffer, window) option.
///
/// @param from If `type` is `SREQ_WIN` or `SREQ_BUF`, this must be a pointer
/// to the window or buffer.
/// @param type One of `SREQ_GLOBAL`, `SREQ_WIN` or `SREQ_BUF`
/// @param name The option name
/// @param[out] err Details of an error that may have occurred
/// @return the option value
Object get_option_from(void *from, int type, String name, Error *err)
{
Object rv = OBJECT_INIT;
if (name.size == 0) {
api_set_error(err, Validation, _("Empty option name"));
return rv;
}
// Return values
int64_t numval;
char *stringval = NULL;
int flags = get_option_value_strict(name.data, &numval, &stringval,
type, from);
if (!flags) {
api_set_error(err,
Validation,
_("Invalid option name \"%s\""),
name.data);
return rv;
}
if (flags & SOPT_BOOL) {
rv.type = kObjectTypeBoolean;
rv.data.boolean = numval ? true : false;
} else if (flags & SOPT_NUM) {
rv.type = kObjectTypeInteger;
rv.data.integer = numval;
} else if (flags & SOPT_STRING) {
if (stringval) {
rv.type = kObjectTypeString;
rv.data.string.data = stringval;
rv.data.string.size = strlen(stringval);
} else {
api_set_error(err,
Exception,
_("Unable to get value for option \"%s\""),
name.data);
}
} else {
api_set_error(err,
Exception,
_("Unknown type for option \"%s\""),
name.data);
}
return rv;
}
/// Gets the value of a global or local(buffer, window) option.
///
/// @param from If `type` is `SREQ_WIN` or `SREQ_BUF`, this must be a pointer
/// to the window or buffer.
/// @param type One of `SREQ_GLOBAL`, `SREQ_WIN` or `SREQ_BUF`
/// @param name The option name
/// @param[out] err Details of an error that may have occurred
/// @return the option value
Object get_option_from(void *from, int type, String name, Error *err)
{
Object rv = OBJECT_INIT;
if (name.size == 0) {
set_api_error("Empty option name", err);
return rv;
}
// Return values
int64_t numval;
char *stringval = NULL;
int flags = get_option_value_strict(name.data, &numval, &stringval,
type, from);
if (!flags) {
set_api_error("invalid option name", err);
return rv;
}
if (flags & SOPT_BOOL) {
rv.type = kObjectTypeBoolean;
rv.data.boolean = numval ? true : false;
} else if (flags & SOPT_NUM) {
rv.type = kObjectTypeInteger;
rv.data.integer = numval;
} else if (flags & SOPT_STRING) {
if (stringval) {
rv.type = kObjectTypeString;
rv.data.string.data = stringval;
rv.data.string.size = strlen(stringval);
} else {
set_api_error(N_("Unable to get option value"), err);
}
} else {
set_api_error(N_("internal error: unknown option type"), err);
}
return rv;
}
/// Sets the value of a global or local(buffer, window) option.
///
/// @param to If `type` is `SREQ_WIN` or `SREQ_BUF`, this must be a pointer
/// to the window or buffer.
/// @param type One of `SREQ_GLOBAL`, `SREQ_WIN` or `SREQ_BUF`
/// @param name The option name
/// @param[out] err Details of an error that may have occurred
void set_option_to(void *to, int type, String name, Object value, Error *err)
{
if (name.size == 0) {
set_api_error("Empty option name", err);
return;
}
int flags = get_option_value_strict(name.data, NULL, NULL, type, to);
if (flags == 0) {
set_api_error("invalid option name", err);
return;
}
if (value.type == kObjectTypeNil) {
if (type == SREQ_GLOBAL) {
set_api_error("unable to unset option", err);
return;
} else if (!(flags & SOPT_GLOBAL)) {
set_api_error("cannot unset option that doesn't have a global value",
err);
return;
} else {
unset_global_local_option(name.data, to);
return;
}
}
int opt_flags = (type ? OPT_LOCAL : OPT_GLOBAL);
if (flags & SOPT_BOOL) {
if (value.type != kObjectTypeBoolean) {
set_api_error("option requires a boolean value", err);
return;
}
bool val = value.data.boolean;
set_option_value_for(name.data, val, NULL, opt_flags, type, to, err);
} else if (flags & SOPT_NUM) {
if (value.type != kObjectTypeInteger) {
set_api_error("option requires an integer value", err);
return;
}
if (value.data.integer > INT_MAX || value.data.integer < INT_MIN) {
set_api_error("Option value outside range", err);
return;
}
int val = (int) value.data.integer;
set_option_value_for(name.data, val, NULL, opt_flags, type, to, err);
} else {
if (value.type != kObjectTypeString) {
set_api_error("option requires a string value", err);
return;
}
set_option_value_for(name.data, 0, value.data.string.data,
opt_flags, type, to, err);
}
}
/// Sets the value of a global or local(buffer, window) option.
///
/// @param to If `type` is `SREQ_WIN` or `SREQ_BUF`, this must be a pointer
/// to the window or buffer.
/// @param type One of `SREQ_GLOBAL`, `SREQ_WIN` or `SREQ_BUF`
/// @param name The option name
/// @param[out] err Details of an error that may have occurred
void set_option_to(void *to, int type, String name, Object value, Error *err)
{
if (name.size == 0) {
api_set_error(err, Validation, _("Empty option name"));
return;
}
int flags = get_option_value_strict(name.data, NULL, NULL, type, to);
if (flags == 0) {
api_set_error(err,
Validation,
_("Invalid option name \"%s\""),
name.data);
return;
}
if (value.type == kObjectTypeNil) {
if (type == SREQ_GLOBAL) {
api_set_error(err,
Exception,
_("Unable to unset option \"%s\""),
name.data);
return;
} else if (!(flags & SOPT_GLOBAL)) {
api_set_error(err,
Exception,
_("Cannot unset option \"%s\" "
"because it doesn't have a global value"),
name.data);
return;
} else {
unset_global_local_option(name.data, to);
return;
}
}
int opt_flags = (type ? OPT_LOCAL : OPT_GLOBAL);
if (flags & SOPT_BOOL) {
if (value.type != kObjectTypeBoolean) {
api_set_error(err,
Validation,
_("Option \"%s\" requires a boolean value"),
name.data);
return;
}
bool val = value.data.boolean;
set_option_value_for(name.data, val, NULL, opt_flags, type, to, err);
} else if (flags & SOPT_NUM) {
if (value.type != kObjectTypeInteger) {
api_set_error(err,
Validation,
_("Option \"%s\" requires an integer value"),
name.data);
return;
}
if (value.data.integer > INT_MAX || value.data.integer < INT_MIN) {
api_set_error(err,
Validation,
_("Value for option \"%s\" is outside range"),
name.data);
return;
}
int val = (int) value.data.integer;
set_option_value_for(name.data, val, NULL, opt_flags, type, to, err);
} else {
if (value.type != kObjectTypeString) {
api_set_error(err,
Validation,
_("Option \"%s\" requires a string value"),
name.data);
return;
}
set_option_value_for(name.data, 0, value.data.string.data,
opt_flags, type, to, err);
}
}
