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-rw-r--r--lib/kernel/src/user.erl190
1 files changed, 91 insertions, 99 deletions
diff --git a/lib/kernel/src/user.erl b/lib/kernel/src/user.erl
index 88f32df20b..d6449d9e5e 100644
--- a/lib/kernel/src/user.erl
+++ b/lib/kernel/src/user.erl
@@ -81,7 +81,7 @@ server(PortName,PortSettings) ->
run(P) ->
put(read_mode,list),
- put(unicode,false),
+ put(encoding,latin1),
case init:get_argument(noshell) of
%% non-empty list -> noshell
{ok, [_|_]} ->
@@ -191,39 +191,27 @@ do_io_request(Req, From, ReplyAs, Port, Q0) ->
%% New in R13B
%% Encoding option (unicode/latin1)
io_request({put_chars,unicode,Chars}, Port, Q) -> % Binary new in R9C
- put_chars(wrap_characters_to_binary(Chars,unicode,
- case get(unicode) of
- true -> unicode;
- _ -> latin1
- end), Port, Q);
+ put_chars(wrap_characters_to_binary(Chars,unicode, get(encoding)), Port, Q);
io_request({put_chars,unicode,Mod,Func,Args}, Port, Q) ->
Result = case catch apply(Mod,Func,Args) of
Data when is_list(Data); is_binary(Data) ->
- wrap_characters_to_binary(Data,unicode,
- case get(unicode) of
- true -> unicode;
- _ -> latin1
- end);
+ wrap_characters_to_binary(Data,unicode,get(encoding));
Undef ->
Undef
end,
put_chars(Result, Port, Q);
io_request({put_chars,latin1,Chars}, Port, Q) -> % Binary new in R9C
- Data = case get(unicode) of
- true ->
+ Data = case get(encoding) of
+ unicode ->
unicode:characters_to_binary(Chars,latin1,unicode);
- false ->
+ latin1 ->
erlang:iolist_to_binary(Chars)
end,
put_chars(Data, Port, Q);
io_request({put_chars,latin1,Mod,Func,Args}, Port, Q) ->
Result = case catch apply(Mod,Func,Args) of
Data when is_list(Data); is_binary(Data) ->
- unicode:characters_to_binary(Data,latin1,
- case get(unicode) of
- true -> unicode;
- _ -> latin1
- end);
+ unicode:characters_to_binary(Data,latin1,get(encoding));
Undef ->
Undef
end,
@@ -351,9 +339,9 @@ check_valid_opts(_) ->
do_setopts(Opts, _Port, Q) ->
case proplists:get_value(encoding,Opts) of
Valid when Valid =:= unicode; Valid =:= utf8 ->
- put(unicode,true);
+ put(encoding,unicode);
latin1 ->
- put(unicode,false);
+ put(encoding,latin1);
undefined ->
ok
end,
@@ -370,12 +358,7 @@ do_setopts(Opts, _Port, Q) ->
getopts(_Port,Q) ->
Bin = {binary, get(read_mode) =:= binary},
- Uni = {encoding, case get(unicode) of
- true ->
- unicode;
- _ ->
- latin1
- end},
+ Uni = {encoding, get(encoding)},
{ok,[Bin,Uni],Q}.
@@ -575,31 +558,32 @@ binrev(L, T) ->
%% end
%% end
%% end.
-%% get_chars(Prompt, Module, Function, XtraArg, Port, Queue)
+%% get_chars(Prompt, Module, Function, XtraArg, Port, Queue, Encoding)
%% Gets characters from the input port until the applied function
%% returns {stop,Result,RestBuf}. Does not block output until input
-%% has been received.
+%% has been received. Encoding is the encoding of the data sent to
+%% the client and to Function.
%% Returns:
%% {Status,Result,NewQueue}
%% {exit,Reason}
%% Entry function.
-get_chars(Prompt, M, F, Xa, Port, Q, Fmt) ->
+get_chars(Prompt, M, F, Xa, Port, Q, Enc) ->
prompt(Port, Prompt),
case {get(eof),queue:is_empty(Q)} of
{true,true} ->
{ok,eof,Q};
_ ->
- get_chars(Prompt, M, F, Xa, Port, Q, start, Fmt)
+ get_chars(Prompt, M, F, Xa, Port, Q, start, Enc)
end.
%% First loop. Wait for port data. Respond to output requests.
-get_chars(Prompt, M, F, Xa, Port, Q, State, Fmt) ->
+get_chars(Prompt, M, F, Xa, Port, Q, State, Enc) ->
case queue:is_empty(Q) of
true ->
receive
{Port,{data,Bytes}} ->
- get_chars_bytes(State, M, F, Xa, Port, Q, Bytes, Fmt);
+ get_chars_bytes(State, M, F, Xa, Port, Q, Bytes, Enc);
{Port, eof} ->
put(eof, true),
{ok, eof, []};
@@ -610,41 +594,41 @@ get_chars(Prompt, M, F, Xa, Port, Q, State, Fmt) ->
do_io_request(Req, From, ReplyAs, Port,
queue:new()), %Keep Q over this call
%% No prompt.
- get_chars(Prompt, M, F, Xa, Port, Q, State, Fmt);
+ get_chars(Prompt, M, F, Xa, Port, Q, State, Enc);
{io_request,From,ReplyAs,Request} when is_pid(From) ->
get_chars_req(Prompt, M, F, Xa, Port, Q, State,
- Request, From, ReplyAs, Fmt);
+ Request, From, ReplyAs, Enc);
{'EXIT',From,What} when node(From) =:= node() ->
{exit,What}
end;
false ->
- get_chars_apply(State, M, F, Xa, Port, Q, Fmt)
+ get_chars_apply(State, M, F, Xa, Port, Q, Enc)
end.
get_chars_req(Prompt, M, F, XtraArg, Port, Q, State,
- Req, From, ReplyAs, Fmt) ->
+ Req, From, ReplyAs, Enc) ->
do_io_request(Req, From, ReplyAs, Port, queue:new()), %Keep Q over this call
prompt(Port, Prompt),
- get_chars(Prompt, M, F, XtraArg, Port, Q, State, Fmt).
+ get_chars(Prompt, M, F, XtraArg, Port, Q, State, Enc).
%% Second loop. Pass data to client as long as it wants more.
%% A ^G in data interrupts loop if 'noshell' is not undefined.
-get_chars_bytes(State, M, F, Xa, Port, Q, Bytes, Fmt) ->
+get_chars_bytes(State, M, F, Xa, Port, Q, Bytes, Enc) ->
case get(shell) of
noshell ->
- get_chars_apply(State, M, F, Xa, Port, queue:snoc(Q, Bytes),Fmt);
+ get_chars_apply(State, M, F, Xa, Port, queue:snoc(Q, Bytes),Enc);
_ ->
case contains_ctrl_g_or_ctrl_c(Bytes) of
false ->
get_chars_apply(State, M, F, Xa, Port,
- queue:snoc(Q, Bytes),Fmt);
+ queue:snoc(Q, Bytes),Enc);
_ ->
throw(new_shell)
end
end.
-get_chars_apply(State0, M, F, Xa, Port, Q, Fmt) ->
- case catch M:F(State0, cast(queue:head(Q),Fmt), Fmt, Xa) of
+get_chars_apply(State0, M, F, Xa, Port, Q, Enc) ->
+ case catch M:F(State0, cast(queue:head(Q),Enc), Enc, Xa) of
{stop,Result,<<>>} ->
{ok,Result,queue:tail(Q)};
{stop,Result,[]} ->
@@ -653,32 +637,32 @@ get_chars_apply(State0, M, F, Xa, Port, Q, Fmt) ->
{ok,Result,queue:tail(Q)};
{stop,Result,Buf} ->
{ok,Result,queue:cons(Buf, queue:tail(Q))};
- {'EXIT',_} ->
+ {'EXIT',_Why} ->
{error,{error,err_func(M, F, Xa)},queue:new()};
State1 ->
- get_chars_more(State1, M, F, Xa, Port, queue:tail(Q), Fmt)
+ get_chars_more(State1, M, F, Xa, Port, queue:tail(Q), Enc)
end.
-get_chars_more(State, M, F, Xa, Port, Q, Fmt) ->
+get_chars_more(State, M, F, Xa, Port, Q, Enc) ->
case queue:is_empty(Q) of
true ->
case get(eof) of
undefined ->
receive
{Port,{data,Bytes}} ->
- get_chars_bytes(State, M, F, Xa, Port, Q, Bytes, Fmt);
+ get_chars_bytes(State, M, F, Xa, Port, Q, Bytes, Enc);
{Port,eof} ->
put(eof, true),
get_chars_apply(State, M, F, Xa, Port,
- queue:snoc(Q, eof), Fmt);
+ queue:snoc(Q, eof), Enc);
{'EXIT',From,What} when node(From) =:= node() ->
{exit,What}
end;
_ ->
- get_chars_apply(State, M, F, Xa, Port, queue:snoc(Q, eof), Fmt)
+ get_chars_apply(State, M, F, Xa, Port, queue:snoc(Q, eof), Enc)
end;
false ->
- get_chars_apply(State, M, F, Xa, Port, Q, Fmt)
+ get_chars_apply(State, M, F, Xa, Port, Q, Enc)
end.
@@ -689,11 +673,10 @@ get_chars_more(State, M, F, Xa, Port, Q, Fmt) ->
prompt(_Port, '') -> ok;
prompt(Port, Prompt) ->
- put_port(wrap_characters_to_binary(io_lib:format_prompt(Prompt),unicode,
- case get(unicode) of
- true -> unicode;
- _ -> latin1
- end), Port).
+ Encoding = get(encoding),
+ put_port(wrap_characters_to_binary(io_lib:format_prompt(Prompt, Encoding),
+ unicode, Encoding),
+ Port).
%% Convert error code to make it look as before
err_func(io_lib, get_until, {_,F,_}) ->
@@ -710,56 +693,65 @@ contains_ctrl_g_or_ctrl_c(BinOrList)->
end.
%% Convert a buffer between list and binary
-cast(Data, _Format) when is_atom(Data) ->
+cast(Data, _Encoding) when is_atom(Data) ->
Data;
-cast(Data, Format) ->
- cast(Data, get(read_mode), Format, get(unicode)).
+cast(Data, Encoding) ->
+ IoEncoding = get(encoding),
+ cast(Data, get(read_mode), IoEncoding, Encoding).
-cast(B, binary, latin1, false) when is_binary(B) ->
+cast(B, binary, latin1, latin1) when is_binary(B) ->
B;
-cast(B, binary, latin1, true) when is_binary(B) ->
- unicode:characters_to_binary(B, unicode, latin1);
-cast(L, binary, latin1, false) ->
- erlang:iolist_to_binary(L);
-cast(L, binary, latin1, true) ->
- case unicode:characters_to_binary(
- erlang:iolist_to_binary(L),unicode,latin1) of % may fail
- {error,_,_} -> exit({no_translation, unicode, latin1});
- Else -> Else
+cast(L, binary, latin1, latin1) ->
+ case catch erlang:iolist_to_binary(L) of
+ Bin when is_binary(Bin) -> Bin;
+ _ -> exit({no_translation, latin1, latin1})
+ end;
+cast(Data, binary, unicode, latin1) when is_binary(Data); is_list(Data) ->
+ case catch unicode:characters_to_binary(Data, unicode, latin1) of
+ Bin when is_binary(Bin) -> Bin;
+ _ -> exit({no_translation, unicode, latin1})
+ end;
+cast(Data, binary, latin1, unicode) when is_binary(Data); is_list(Data) ->
+ case catch unicode:characters_to_binary(Data, latin1, unicode) of
+ Bin when is_binary(Bin) -> Bin;
+ _ -> exit({no_translation, latin1, unicode})
end;
-cast(B, binary, unicode, true) when is_binary(B) ->
+cast(B, binary, unicode, unicode) when is_binary(B) ->
B;
-cast(B, binary, unicode, false) when is_binary(B) ->
- unicode:characters_to_binary(B,latin1,unicode);
-cast(L, binary, unicode, true) ->
- % possibly a list containing UTF-8 encoded characters
- unicode:characters_to_binary(erlang:iolist_to_binary(L));
-cast(L, binary, unicode, false) ->
- unicode:characters_to_binary(L, latin1, unicode);
-cast(L, list, latin1, UniTerm) ->
- case UniTerm of
- true -> % Convert input characters to protocol format (i.e latin1)
- case unicode:characters_to_list(
- erlang:iolist_to_binary(L),unicode) of % may fail
- {error,_,_} -> exit({no_translation, unicode, latin1});
- Else -> [ case X of
- High when High > 255 ->
- exit({no_translation, unicode, latin1});
- Low ->
- Low
- end || X <- Else ]
- end;
- _ ->
- binary_to_list(erlang:iolist_to_binary(L))
+cast(L, binary, unicode, unicode) ->
+ case catch unicode:characters_to_binary(L, unicode) of
+ Bin when is_binary(Bin) -> Bin;
+ _ -> exit({no_translation, unicode, unicode})
end;
-cast(L, list, unicode, UniTerm) ->
- unicode:characters_to_list(erlang:iolist_to_binary(L),
- case UniTerm of
- true -> unicode;
- _ -> latin1
- end);
-cast(Other, _, _,_) ->
- Other.
+cast(B, list, latin1, latin1) when is_binary(B) ->
+ binary_to_list(B);
+cast(L, list, latin1, latin1) ->
+ case catch erlang:iolist_to_binary(L) of
+ Bin when is_binary(Bin) -> binary_to_list(Bin);
+ _ -> exit({no_translation, latin1, latin1})
+ end;
+cast(Data, list, unicode, latin1) when is_binary(Data); is_list(Data) ->
+ case catch unicode:characters_to_list(Data, unicode) of
+ Chars when is_list(Chars) ->
+ [ case X of
+ High when High > 255 ->
+ exit({no_translation, unicode, latin1});
+ Low ->
+ Low
+ end || X <- Chars ];
+ _ ->
+ exit({no_translation, unicode, latin1})
+ end;
+cast(Data, list, latin1, unicode) when is_binary(Data); is_list(Data) ->
+ case catch unicode:characters_to_list(Data, latin1) of
+ Chars when is_list(Chars) -> Chars;
+ _ -> exit({no_translation, latin1, unicode})
+ end;
+cast(Data, list, unicode, unicode) when is_binary(Data); is_list(Data) ->
+ case catch unicode:characters_to_list(Data, unicode) of
+ Chars when is_list(Chars) -> Chars;
+ _ -> exit({no_translation, unicode, unicode})
+ end.
wrap_characters_to_binary(Chars,unicode,latin1) ->
case unicode:characters_to_binary(Chars,unicode,latin1) of
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 13:52:05 +0000