%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2011-2011. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%
%%----------------------------------------------------------------------
%% Purpose: Utility module for megaco_config
%%----------------------------------------------------------------------
%%
-module(megaco_config_misc).
%% Application internal exports
-export([
verify_bool/1,
verify_int/1, verify_int/2, verify_int/3,
verify_strict_int/1, verify_strict_int/2, verify_strict_int/3,
verify_uint/1, verify_uint/2,
verify_strict_uint/1, verify_strict_uint/2
]).
%%%----------------------------------------------------------------------
%%% API
%%%----------------------------------------------------------------------
verify_bool(true) -> true;
verify_bool(false) -> true;
verify_bool(_) -> false.
%% verify_int(Val) -> boolean()
verify_int(infinity) -> true;
verify_int(Val) -> verify_strict_int(Val).
%% verify_int(Val, Max) -> boolean()
verify_int(Int, infinity) ->
verify_int(Int);
verify_int(infinity, _Max) ->
true;
verify_int(Int, Max) ->
verify_strict_int(Int) andalso verify_strict_int(Max) andalso (Int =< Max).
%% verify_int(Val, Min, Max) -> boolean()
verify_int(infinity, Min, infinity) ->
verify_strict_int(Min);
verify_int(Val, Min, infinity) ->
verify_strict_int(Val) andalso
verify_strict_int(Min) andalso (Val >= Min);
verify_int(Int, Min, Max) ->
verify_strict_int(Int, Min, Max).
%% verify_strict_int(Val) -> boolean()
verify_strict_int(Int) when is_integer(Int) -> true;
verify_strict_int(_) -> false.
%% verify_strict_int(Val, Max) -> boolean()
verify_strict_int(Int, infinity) ->
verify_strict_int(Int);
verify_strict_int(Int, Max) ->
verify_strict_int(Int) andalso verify_strict_int(Max) andalso (Int =< Max).
%% verify_strict_int(Val, Min, Max) -> boolean()
verify_strict_int(Val, Min, Max)
when (is_integer(Val) andalso
is_integer(Min) andalso
is_integer(Max) andalso
(Val >= Min) andalso
(Val =< Max)) ->
true;
verify_strict_int(_Val, _Min, _Max) ->
false.
%% verify_uint(Val) -> boolean()
verify_uint(infinity) -> true;
verify_uint(Val) -> verify_strict_uint(Val).
%% verify_uint(Val, Max) -> boolean()
verify_uint(Int, infinity) ->
verify_uint(Int);
verify_uint(infinity, _Max) ->
true;
verify_uint(Int, Max) ->
verify_strict_int(Int, 0, Max).
%% verify_strict_uint(Val) -> boolean()
verify_strict_uint(Int) when is_integer(Int) andalso (Int >= 0) -> true;
verify_strict_uint(_) -> false.
%% verify_strict_uint(Val, Max) -> boolean()
verify_strict_uint(Int, infinity) ->
verify_strict_uint(Int);
verify_strict_uint(Int, Max) ->
verify_strict_int(Int, 0, Max).
