diff options
| -rw-r--r-- | lib/asn1/src/asn1ct_name.erl | 55 |
1 files changed, 21 insertions, 34 deletions
diff --git a/lib/asn1/src/asn1ct_name.erl b/lib/asn1/src/asn1ct_name.erl index 24b28ade7e..617bea759a 100644 --- a/lib/asn1/src/asn1ct_name.erl +++ b/lib/asn1/src/asn1ct_name.erl @@ -93,11 +93,7 @@ prev(V) -> end. next(V) -> - case req({next,V}) of - none -> - exit('cant get next of none'); - Rep -> Rep - end. + req({next,V}). all(V) -> Curr = curr(V), @@ -131,45 +127,36 @@ get_digs([H|T]) -> [] end. -get_curr([],Variable) -> +get_curr([], Variable) -> Variable; -get_curr([{Variable,[0|_Drest]}|_Tail],Variable) -> - Variable; -get_curr([{Variable,[Digit|_Drest]}|_Tail],Variable) -> - list_to_atom(lists:concat([Variable,integer_to_list(Digit)])); - -get_curr([_|Tail],Variable) -> - get_curr(Tail,Variable). +get_curr([{Variable,Digit}|_Tail], Variable) -> + list_to_atom(lists:concat([Variable,Digit])); +get_curr([_|Tail], Variable) -> + get_curr(Tail, Variable). -new_var(Vars,Variable) -> - case lists:keysearch(Variable,1,Vars) of +new_var(Vars, Variable) -> + case lists:keyfind(Variable, 1, Vars) of false -> - [{Variable,[1]}|Vars]; - {value,{Variable,[Digit|Drest]}} -> - NewVars = lists:keydelete(Variable,1,Vars), - [{Variable,[Digit+1|Drest]}|NewVars] + [{Variable,1}|Vars]; + {Variable,Digit} -> + NewVars = lists:keydelete(Variable, 1, Vars), + [{Variable,Digit+1}|NewVars] end. -get_prev(Vars,Variable) -> - case lists:keysearch(Variable,1,Vars) of +get_prev(Vars, Variable) -> + case lists:keyfind(Variable, 1, Vars) of false -> none; - {value,{Variable,[Digit|_]}} when Digit =< 1 -> + {Variable,Digit} when Digit =< 1 -> Variable; - {value,{Variable,[Digit|_]}} when Digit > 1 -> - list_to_atom(lists:concat([Variable, - integer_to_list(Digit-1)])); - _ -> - none + {Variable,Digit} when Digit > 1 -> + list_to_atom(lists:concat([Variable,Digit-1])) end. -get_next(Vars,Variable) -> - case lists:keysearch(Variable,1,Vars) of +get_next(Vars, Variable) -> + case lists:keyfind(Variable, 1, Vars) of false -> list_to_atom(lists:concat([Variable,"1"])); - {value,{Variable,[Digit|_]}} when Digit >= 0 -> - list_to_atom(lists:concat([Variable, - integer_to_list(Digit+1)])); - _ -> - none + {Variable,Digit} when Digit >= 0 -> + list_to_atom(lists:concat([Variable,Digit+1])) end. |