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-rw-r--r--lib/stdlib/src/binary.erl47
1 files changed, 27 insertions, 20 deletions
diff --git a/lib/stdlib/src/binary.erl b/lib/stdlib/src/binary.erl
index 4850a59eb6..de26784ead 100644
--- a/lib/stdlib/src/binary.erl
+++ b/lib/stdlib/src/binary.erl
@@ -89,9 +89,9 @@ copy(_, _) ->
decode_unsigned(_) ->
erlang:nif_error(undef).
--spec decode_unsigned(Subject, Endianess) -> Unsigned when
+-spec decode_unsigned(Subject, Endianness) -> Unsigned when
Subject :: binary(),
- Endianess :: big | little,
+ Endianness :: big | little,
Unsigned :: non_neg_integer().
decode_unsigned(_, _) ->
@@ -103,9 +103,9 @@ decode_unsigned(_, _) ->
encode_unsigned(_) ->
erlang:nif_error(undef).
--spec encode_unsigned(Unsigned, Endianess) -> binary() when
+-spec encode_unsigned(Unsigned, Endianness) -> binary() when
Unsigned :: non_neg_integer(),
- Endianess :: big | little.
+ Endianness :: big | little.
encode_unsigned(_, _) ->
erlang:nif_error(undef).
@@ -215,12 +215,13 @@ split(H,N) ->
Subject :: binary(),
Pattern :: binary() | [binary()] | cp(),
Options :: [Option],
- Option :: {scope, part()} | trim | global,
+ Option :: {scope, part()} | trim | global | trim_all,
Parts :: [binary()].
split(Haystack,Needles,Options) ->
try
- {Part,Global,Trim} = get_opts_split(Options,{no,false,false}),
+ {Part,Global,Trim,TrimAll} =
+ get_opts_split(Options,{no,false,false,false}),
Moptlist = case Part of
no ->
[];
@@ -236,20 +237,24 @@ split(Haystack,Needles,Options) ->
Match -> [Match]
end
end,
- do_split(Haystack,MList,0,Trim)
+ do_split(Haystack,MList,0,Trim,TrimAll)
catch
_:_ ->
erlang:error(badarg)
end.
-do_split(H,[],N,true) when N >= byte_size(H) ->
+do_split(H,[],N,true,_) when N >= byte_size(H) ->
[];
-do_split(H,[],N,_) ->
+do_split(H,[],N,_,true) when N >= byte_size(H) ->
+ [];
+do_split(H,[],N,_,_) ->
[binary:part(H,{N,byte_size(H)-N})];
-do_split(H,[{A,B}|T],N,Trim) ->
+do_split(H,[{A,B}|T],N,Trim,TrimAll) ->
case binary:part(H,{N,A-N}) of
+ <<>> when TrimAll == true ->
+ do_split(H,T,A+B,Trim,TrimAll);
<<>> ->
- Rest = do_split(H,T,A+B,Trim),
+ Rest = do_split(H,T,A+B,Trim,TrimAll),
case {Trim, Rest} of
{true,[]} ->
[];
@@ -257,7 +262,7 @@ do_split(H,[{A,B}|T],N,Trim) ->
[<<>> | Rest]
end;
Oth ->
- [Oth | do_split(H,T,A+B,Trim)]
+ [Oth | do_split(H,T,A+B,Trim,TrimAll)]
end.
@@ -346,14 +351,16 @@ splitat(H,N,[I|T]) ->
%% Simple helper functions
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-get_opts_split([],{Part,Global,Trim}) ->
- {Part,Global,Trim};
-get_opts_split([{scope,{A,B}} | T],{_Part,Global,Trim}) ->
- get_opts_split(T,{{A,B},Global,Trim});
-get_opts_split([global | T],{Part,_Global,Trim}) ->
- get_opts_split(T,{Part,true,Trim});
-get_opts_split([trim | T],{Part,Global,_Trim}) ->
- get_opts_split(T,{Part,Global,true});
+get_opts_split([],{Part,Global,Trim,TrimAll}) ->
+ {Part,Global,Trim,TrimAll};
+get_opts_split([{scope,{A,B}} | T],{_Part,Global,Trim,TrimAll}) ->
+ get_opts_split(T,{{A,B},Global,Trim,TrimAll});
+get_opts_split([global | T],{Part,_Global,Trim,TrimAll}) ->
+ get_opts_split(T,{Part,true,Trim,TrimAll});
+get_opts_split([trim | T],{Part,Global,_Trim,TrimAll}) ->
+ get_opts_split(T,{Part,Global,true,TrimAll});
+get_opts_split([trim_all | T],{Part,Global,Trim,_TrimAll}) ->
+ get_opts_split(T,{Part,Global,Trim,true});
get_opts_split(_,_) ->
throw(badopt).