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Diffstat (limited to 'lib/megaco/src/engine/megaco_config_misc.erl')
-rw-r--r-- | lib/megaco/src/engine/megaco_config_misc.erl | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/lib/megaco/src/engine/megaco_config_misc.erl b/lib/megaco/src/engine/megaco_config_misc.erl new file mode 100644 index 0000000000..0a1601c766 --- /dev/null +++ b/lib/megaco/src/engine/megaco_config_misc.erl @@ -0,0 +1,113 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2011-2011. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights 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). + |