%% Generated by the Erlang ASN.1 BER_V2-compiler version, utilizing bit-syntax:4.0 %% Purpose: encoder and decoder to the types in mod Remote-Operations-Information-Objects -module('Remote-Operations-Information-Objects'). -compile(nowarn_unused_vars). -asn1_info([{vsn,'4.0'}, {module,'Remote-Operations-Information-Objects'}, {options,[{i,"/Users/quax/erl"}, warnings,ber,errors, {cwd,"/Users/quax/erl"}, {outdir,"/Users/quax/erl"}, {i,"."}, {i,"/Users/quax/erl/rose"}]}]). -export([encoding_rule/0,bit_string_format/0, legacy_erlang_types/0]). -export(['dialyzer-suppressions'/1]). -export([ 'enc_Code'/2, 'enc_Priority'/2 ]). -export([ 'dec_Code'/2, 'dec_Priority'/2 ]). -export([info/0]). -export([encode/2,decode/2]). encoding_rule() -> ber. bit_string_format() -> bitstring. legacy_erlang_types() -> false. encode(Type, Data) -> try iolist_to_binary(element(1, encode_disp(Type, Data))) of Bytes -> {ok,Bytes} catch Class:Exception when Class =:= error; Class =:= exit -> case Exception of {error,Reason}=Error -> Error; Reason -> {error,{asn1,Reason}} end end. decode(Type,Data) -> try decode_disp(Type, element(1, ber_decode_nif(Data))) of Result -> {ok,Result} catch Class:Exception when Class =:= error; Class =:= exit -> case Exception of {error,Reason}=Error -> Error; Reason -> {error,{asn1,Reason}} end end. encode_disp('Code',Data) -> 'enc_Code'(Data); encode_disp('Priority',Data) -> 'enc_Priority'(Data); encode_disp(Type,_Data) -> exit({error,{asn1,{undefined_type,Type}}}). decode_disp('Code',Data) -> 'dec_Code'(Data); decode_disp('Priority',Data) -> 'dec_Priority'(Data); decode_disp(Type,_Data) -> exit({error,{asn1,{undefined_type,Type}}}). info() -> case ?MODULE:module_info(attributes) of Attributes when is_list(Attributes) -> case lists:keyfind(asn1_info, 1, Attributes) of {_,Info} when is_list(Info) -> Info; _ -> [] end; _ -> [] end. %%================================ %% Code %%================================ 'enc_Code'(Val) -> 'enc_Code'(Val, []). 'enc_Code'(Val, TagIn) -> {EncBytes,EncLen} = case element(1,Val) of local -> encode_integer(element(2,Val), [<<2>>]); global -> encode_object_identifier(element(2,Val), [<<6>>]); Else -> exit({error,{asn1,{invalid_choice_type,Else}}}) end, encode_tags(TagIn, EncBytes, EncLen). 'dec_Code'(Tlv) -> 'dec_Code'(Tlv, []). 'dec_Code'(Tlv, TagIn) -> Tlv1 = match_tags(Tlv, TagIn), case (case Tlv1 of [CtempTlv1] -> CtempTlv1; _ -> Tlv1 end) of %% 'local' {2, V1} -> {local, decode_integer(V1, [])}; %% 'global' {6, V1} -> {global, decode_object_identifier(V1, [])}; Else -> exit({error,{asn1,{invalid_choice_tag,Else}}}) end . %%================================ %% Priority %%================================ 'enc_Priority'(Val) -> 'enc_Priority'(Val, [<<2>>]). 'enc_Priority'(Val, TagIn) -> encode_integer(Val, TagIn). 'dec_Priority'(Tlv) -> 'dec_Priority'(Tlv, [2]). 'dec_Priority'(Tlv, TagIn) -> begin Val1 = decode_integer(Tlv, TagIn), if 0 =< Val1, Val1 =< 'MAX' -> Val1; true -> exit({error,{asn1,bad_range}}) end end. %%% %%% Run-time functions. %%% 'dialyzer-suppressions'(Arg) -> ok. ber_decode_nif(B) -> asn1rt_nif:decode_ber_tlv(B). dec_subidentifiers(<<>>, _Av, Al) -> lists:reverse(Al); dec_subidentifiers(<<1:1,H:7,T/binary>>, Av, Al) -> dec_subidentifiers(T, Av bsl 7 + H, Al); dec_subidentifiers(<>, Av, Al) -> dec_subidentifiers(T, 0, [Av bsl 7 + H|Al]). decode_integer(Tlv, TagIn) -> Bin = match_tags(Tlv, TagIn), Len = byte_size(Bin), <> = Bin, Int. decode_object_identifier(Tlv, Tags) -> Val = match_tags(Tlv, Tags), [AddedObjVal|ObjVals] = dec_subidentifiers(Val, 0, []), {Val1,Val2} = if AddedObjVal < 40 -> {0,AddedObjVal}; AddedObjVal < 80 -> {1,AddedObjVal - 40}; true -> {2,AddedObjVal - 80} end, list_to_tuple([Val1,Val2|ObjVals]). e_object_identifier({'OBJECT IDENTIFIER',V}) -> e_object_identifier(V); e_object_identifier(V) when is_tuple(V) -> e_object_identifier(tuple_to_list(V)); e_object_identifier([E1,E2|Tail]) -> Head = 40 * E1 + E2, {H,Lh} = mk_object_val(Head), {R,Lr} = lists:mapfoldl(fun enc_obj_id_tail/2, 0, Tail), {[H|R],Lh + Lr}. enc_obj_id_tail(H, Len) -> {B,L} = mk_object_val(H), {B,Len + L}. encode_integer(Val) -> Bytes = if Val >= 0 -> encode_integer_pos(Val, []); true -> encode_integer_neg(Val, []) end, {Bytes,length(Bytes)}. encode_integer(Val, Tag) when is_integer(Val) -> encode_tags(Tag, encode_integer(Val)); encode_integer(Val, _Tag) -> exit({error,{asn1,{encode_integer,Val}}}). encode_integer_neg(- 1, [B1|_T] = L) when B1 > 127 -> L; encode_integer_neg(N, Acc) -> encode_integer_neg(N bsr 8, [N band 255|Acc]). encode_integer_pos(0, [B|_Acc] = L) when B < 128 -> L; encode_integer_pos(N, Acc) -> encode_integer_pos(N bsr 8, [N band 255|Acc]). encode_length(L) when L =< 127 -> {[L],1}; encode_length(L) -> Oct = minimum_octets(L), Len = length(Oct), if Len =< 126 -> {[128 bor Len|Oct],Len + 1}; true -> exit({error,{asn1,too_long_length_oct,Len}}) end. encode_object_identifier(Val, TagIn) -> encode_tags(TagIn, e_object_identifier(Val)). encode_tags(TagIn, {BytesSoFar,LenSoFar}) -> encode_tags(TagIn, BytesSoFar, LenSoFar). encode_tags([Tag|Trest], BytesSoFar, LenSoFar) -> {Bytes2,L2} = encode_length(LenSoFar), encode_tags(Trest, [Tag,Bytes2|BytesSoFar], LenSoFar + byte_size(Tag) + L2); encode_tags([], BytesSoFar, LenSoFar) -> {BytesSoFar,LenSoFar}. match_tags({T,V}, [T]) -> V; match_tags({T,V}, [T|Tt]) -> match_tags(V, Tt); match_tags([{T,V}], [T|Tt]) -> match_tags(V, Tt); match_tags([{T,_V}|_] = Vlist, [T]) -> Vlist; match_tags(Tlv, []) -> Tlv; match_tags({Tag,_V} = Tlv, [T|_Tt]) -> exit({error,{asn1,{wrong_tag,{{expected,T},{got,Tag,Tlv}}}}}). minimum_octets(0, Acc) -> Acc; minimum_octets(Val, Acc) -> minimum_octets(Val bsr 8, [Val band 255|Acc]). minimum_octets(Val) -> minimum_octets(Val, []). mk_object_val(0, Ack, Len) -> {Ack,Len}; mk_object_val(Val, Ack, Len) -> mk_object_val(Val bsr 7, [Val band 127 bor 128|Ack], Len + 1). mk_object_val(Val) when Val =< 127 -> {[255 band Val],1}; mk_object_val(Val) -> mk_object_val(Val bsr 7, [Val band 127], 1).