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Code Issues Wiki Activity

Remove the IS_DIGIT macro

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This commit is contained in:
Loïc Hoguin 2011-11-05 03:23:21 +01:00
parent aba1ea4636
commit 3e443f0a6c
1 changed files with 6 additions and 8 deletions
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14
src/cowboy_http.erl
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@ -29,11 +29,6 @@
%% Parsing.
%% Use only as a guard.
-define(IS_DIGIT(C),
C =:= $0; C =:= $1; C =:= $2; C =:= $3; C =:= $4;
C =:= $5; C =:= $6; C =:= $7; C =:= $8; C =:= $9).
%% @doc Parse a non-empty list of the given type.
-spec nonempty_list(binary(), fun()) -> [any(), ...] | {error, badarg}.
nonempty_list(Data, Fun) ->
@ -450,13 +445,15 @@ digits(Data) ->
end).
-spec digits(binary(), fun()) -> any().
digits(<< C, Rest/bits >>, Fun) when ?IS_DIGIT(C) ->
digits(<< C, Rest/bits >>, Fun)
when C >= $0, C =< $9 ->
digits(Rest, Fun, C - $0);
digits(_Data, _Fun) ->
{error, badarg}.
-spec digits(binary(), fun(), non_neg_integer()) -> any().
digits(<< C, Rest/bits >>, Fun, Acc) when ?IS_DIGIT(C) ->
digits(<< C, Rest/bits >>, Fun, Acc)
when C >= $0, C =< $9 ->
digits(Rest, Fun, Acc * 10 + (C - $0));
digits(Data, Fun, Acc) ->
Fun(Data, Acc).
@ -524,7 +521,8 @@ qvalue(_Data, _Fun) ->
-spec qvalue(binary(), fun(), integer(), 1 | 10 | 100) -> any().
qvalue(Data, Fun, Q, 0) ->
Fun(Data, Q);
qvalue(<< C, Rest/bits >>, Fun, Q, M) when ?IS_DIGIT(C) ->
qvalue(<< C, Rest/bits >>, Fun, Q, M)
when C >= $0, C =< $9 ->
qvalue(Rest, Fun, Q + (C - $0) * M, M div 10);
qvalue(Data, Fun, Q, _M) ->
Fun(Data, Q).