%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2004-2009. 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%
%%
-define(verify_format_version(VFV_Ver1,VFV_Ver2),
fun(VFV_V,VFV_V) ->
ok;
(VFV_V1,VFV_V2) when is_list(VFV_V1) andalso is_list(VFV_V2) ->
Toks1 = string:tokens(VFV_V1, [$.]),
[Major1|_] = case (catch [list_to_integer(I) || I <- Toks1]) of
Nums when is_list(Nums) ->
Nums;
_ ->
{error, {invalid_version_format, VFV_V1}}
end,
Toks2 = string:tokens(VFV_V2, [$.]),
case (catch [list_to_integer(I) || I <- Toks2]) of
[Major1|_] ->
ok;
[_Major2|_] ->
{error, wrong_version};
_ ->
{error, {invalid_version_format, VFV_V2}}
end;
(VFV_V1,VFV_V2) ->
{error, {invalid_format, VFV_V1, VFV_V2}}
end(VFV_Ver1,VFV_Ver2)).
-define(read_mib(RM_FN),
RM_Bin = case file:read_file(RM_FN) of
{ok, RM_B} ->
RM_B;
RM_Error ->
throw(RM_Error)
end,
RM_Mib = case (catch binary_to_term(RM_Bin)) of
RM_M when is_record(RM_M, mib) ->
RM_M;
_ ->
throw({error, bad_mib_format})
end,
#mib{mib_format_version = RM_V1} = #mib{},
case RM_Mib of
#mib{mib_format_version = RM_V2,
misc = RM_X} when is_integer(RM_X) ->
case (catch ?verify_format_version(RM_V1, RM_V2)) of
ok ->
{ok, RM_Mib#mib{misc = []}};
_ ->
throw({error, {wrong_mib_format_version_tag, RM_V2}})
end;
#mib{mib_format_version = RM_V2} ->
case (catch ?verify_format_version(RM_V1, RM_V2)) of
ok ->
{ok, RM_Mib#mib{misc = []}};
_ ->
throw({error, {wrong_mib_format_version_tag, RM_V2}})
end
end).
