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feat(api): add nvim_get_option_value

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This commit is contained in:
Gregory Anders
2021-10-11 22:09:08 -06:00
parent 7b910a1716
commit 71ac00ccb5
9 changed files with 193 additions and 121 deletions
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113
src/nvim/api/vim.c
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@@ -642,7 +642,7 @@ void nvim_set_vvar(String name, Object value, Error *err)
dict_set_var(&vimvardict, name, value, false, false, err);
}
/// Gets an option value string.
/// Gets the global value of an option.
///
/// @param name Option name
/// @param[out] err Error details, if any
@@ -653,6 +653,115 @@ Object nvim_get_option(String name, Error *err)
return get_option_from(NULL, SREQ_GLOBAL, name, err);
}
/// Gets the value of an option. The behavior of this function matches that of
/// |:set|: the local value of an option is returned if it exists; otherwise,
/// the global value is returned. Local values always correspond to the current
/// buffer or window. To get a buffer-local or window-local option for a
/// specific buffer or window, use |nvim_buf_get_option()| or
/// |nvim_win_get_option()|.
///
/// @param name Option name
/// @param opts Optional parameters
/// - scope: One of 'global' or 'local'. Analagous to
/// |:setglobal| and |:setlocal|, respectively.
/// @param[out] err Error details, if any
/// @return Option value
Object nvim_get_option_value(String name, Dict(option) *opts, Error *err)
FUNC_API_SINCE(9)
{
Object rv = OBJECT_INIT;
int scope = 0;
if (opts->scope.type == kObjectTypeString) {
if (!strcmp(opts->scope.data.string.data, "local")) {
scope = OPT_LOCAL;
} else if (!strcmp(opts->scope.data.string.data, "global")) {
scope = OPT_GLOBAL;
} else {
api_set_error(err, kErrorTypeValidation, "invalid scope: must be 'local' or 'global'");
goto end;
}
} else if (HAS_KEY(opts->scope)) {
api_set_error(err, kErrorTypeValidation, "invalid value for key: scope");
goto end;
}
long numval = 0;
char *stringval = NULL;
switch (get_option_value(name.data, &numval, (char_u **)&stringval, scope)) {
case 0:
rv = STRING_OBJ(cstr_as_string(stringval));
break;
case 1:
rv = INTEGER_OBJ(numval);
break;
case 2:
rv = BOOLEAN_OBJ(!!numval);
break;
default:
api_set_error(err, kErrorTypeValidation, "unknown option '%s'", name.data);
goto end;
}
end:
return rv;
}
/// Sets the value of an option. The behavior of this function matches that of
/// |:set|: for global-local options, both the global and local value are set
/// unless otherwise specified with {scope}.
///
/// @param name Option name
/// @param value New option value
/// @param opts Optional parameters
/// - scope: One of 'global' or 'local'. Analagous to
/// |:setglobal| and |:setlocal|, respectively.
/// @param[out] err Error details, if any
void nvim_set_option_value(String name, Object value, Dict(option) *opts, Error *err)
FUNC_API_SINCE(9)
{
int scope = 0;
if (opts->scope.type == kObjectTypeString) {
if (!strcmp(opts->scope.data.string.data, "local")) {
scope = OPT_LOCAL;
} else if (!strcmp(opts->scope.data.string.data, "global")) {
scope = OPT_GLOBAL;
} else {
api_set_error(err, kErrorTypeValidation, "invalid scope: must be 'local' or 'global'");
return;
}
} else if (HAS_KEY(opts->scope)) {
api_set_error(err, kErrorTypeValidation, "invalid value for key: scope");
return;
}
long numval = 0;
char *stringval = NULL;
switch (value.type) {
case kObjectTypeInteger:
numval = value.data.integer;
break;
case kObjectTypeBoolean:
numval = value.data.boolean ? 1 : 0;
break;
case kObjectTypeString:
stringval = value.data.string.data;
break;
case kObjectTypeNil:
// Do nothing
break;
default:
api_set_error(err, kErrorTypeValidation, "invalid value for option");
return;
}
char *e = set_option_value(name.data, numval, stringval, scope);
if (e) {
api_set_error(err, kErrorTypeException, "%s", e);
}
}
/// Gets the option information for all options.
///
/// The dictionary has the full option names as keys and option metadata
@@ -694,7 +803,7 @@ Dictionary nvim_get_option_info(String name, Error *err)
return get_vimoption(name, err);
}
/// Sets an option value.
/// Sets the global value of an option.
///
/// @param channel_id
/// @param name Option name