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-rw-r--r--lib/stdlib/src/beam_lib.erl3
-rw-r--r--lib/stdlib/src/binary.erl28
-rw-r--r--lib/stdlib/src/c.erl4
-rw-r--r--lib/stdlib/src/epp.erl18
-rw-r--r--lib/stdlib/src/erl_lint.erl8
-rw-r--r--lib/stdlib/src/ets.erl11
-rw-r--r--lib/stdlib/src/gen.erl80
-rw-r--r--lib/stdlib/src/gen_server.erl11
-rw-r--r--lib/stdlib/src/gen_statem.erl13
-rw-r--r--lib/stdlib/src/io_lib.erl58
-rw-r--r--lib/stdlib/src/io_lib_format.erl43
-rw-r--r--lib/stdlib/src/lists.erl19
-rw-r--r--lib/stdlib/src/string.erl8
-rw-r--r--lib/stdlib/src/uri_string.erl65
14 files changed, 199 insertions, 170 deletions
diff --git a/lib/stdlib/src/beam_lib.erl b/lib/stdlib/src/beam_lib.erl
index 06c15fceda..24349c74e8 100644
--- a/lib/stdlib/src/beam_lib.erl
+++ b/lib/stdlib/src/beam_lib.erl
@@ -148,7 +148,8 @@ chunks(File, Chunks, Options) ->
try read_chunk_data(File, Chunks, Options)
catch Error -> Error end.
--spec all_chunks(beam()) -> {'ok', 'beam_lib', [{chunkid(), dataB()}]}.
+-spec all_chunks(beam()) ->
+ {'ok', 'beam_lib', [{chunkid(), dataB()}]} | {'error', 'beam_lib', info_rsn()}.
all_chunks(File) ->
read_all_chunks(File).
diff --git a/lib/stdlib/src/binary.erl b/lib/stdlib/src/binary.erl
index 6a64133b45..7d0e42489e 100644
--- a/lib/stdlib/src/binary.erl
+++ b/lib/stdlib/src/binary.erl
@@ -47,23 +47,39 @@ at(_, _) ->
-spec bin_to_list(Subject) -> [byte()] when
Subject :: binary().
-bin_to_list(_) ->
- erlang:nif_error(undef).
+bin_to_list(Subject) ->
+ binary_to_list(Subject).
-spec bin_to_list(Subject, PosLen) -> [byte()] when
Subject :: binary(),
PosLen :: part().
-bin_to_list(_, _) ->
- erlang:nif_error(undef).
+bin_to_list(Subject, {Pos, Len}) ->
+ bin_to_list(Subject, Pos, Len);
+bin_to_list(_Subject, _BadArg) ->
+ erlang:error(badarg).
-spec bin_to_list(Subject, Pos, Len) -> [byte()] when
Subject :: binary(),
Pos :: non_neg_integer(),
Len :: integer().
-bin_to_list(_, _, _) ->
- erlang:nif_error(undef).
+bin_to_list(Subject, Pos, Len) when not is_binary(Subject);
+ not is_integer(Pos);
+ not is_integer(Len) ->
+ %% binary_to_list/3 allows bitstrings as long as the slice fits, and we
+ %% want to badarg when Pos/Len aren't integers instead of raising badarith
+ %% when adjusting args for binary_to_list/3.
+ erlang:error(badarg);
+bin_to_list(Subject, Pos, 0) when Pos >= 0, Pos =< byte_size(Subject) ->
+ %% binary_to_list/3 doesn't handle this case.
+ [];
+bin_to_list(_Subject, _Pos, 0) ->
+ erlang:error(badarg);
+bin_to_list(Subject, Pos, Len) when Len < 0 ->
+ bin_to_list(Subject, Pos + Len, -Len);
+bin_to_list(Subject, Pos, Len) when Len > 0 ->
+ binary_to_list(Subject, Pos + 1, Pos + Len).
-spec compile_pattern(Pattern) -> cp() when
Pattern :: binary() | [binary()].
diff --git a/lib/stdlib/src/c.erl b/lib/stdlib/src/c.erl
index 3597e61c26..13f78841aa 100644
--- a/lib/stdlib/src/c.erl
+++ b/lib/stdlib/src/c.erl
@@ -564,7 +564,7 @@ display_info(Pid) ->
Other
end,
Reds = fetch(reductions, Info),
- LM = length(fetch(messages, Info)),
+ LM = fetch(message_queue_len, Info),
HS = fetch(heap_size, Info),
SS = fetch(stack_size, Info),
iformat(w(Pid), mfa_string(Call),
@@ -886,7 +886,7 @@ portinfo(Id) ->
procline(Name, Info, Pid) ->
Call = initial_call(Info),
Reds = fetch(reductions, Info),
- LM = length(fetch(messages, Info)),
+ LM = fetch(message_queue_len, Info),
procformat(io_lib:format("~tw",[Name]),
io_lib:format("~w",[Pid]),
io_lib:format("~ts",[mfa_string(Call)]),
diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl
index 00e6a10d8a..77cc88eb08 100644
--- a/lib/stdlib/src/epp.erl
+++ b/lib/stdlib/src/epp.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -1197,21 +1197,21 @@ skip_else(_Else, From, St, Sis) ->
%% macro_expansion(Tokens, Anno)
%% Extract the macro parameters and the expansion from a macro definition.
-macro_pars([{')',_Lp}, {',',Ld}|Ex], Args) ->
- {ok, {lists:reverse(Args), macro_expansion(Ex, Ld)}};
-macro_pars([{var,_,Name}, {')',_Lp}, {',',Ld}|Ex], Args) ->
+macro_pars([{')',_Lp}, {',',_Ld}=Comma|Ex], Args) ->
+ {ok, {lists:reverse(Args), macro_expansion(Ex, Comma)}};
+macro_pars([{var,_,Name}, {')',_Lp}, {',',_Ld}=Comma|Ex], Args) ->
false = lists:member(Name, Args), %Prolog is nice
- {ok, {lists:reverse([Name|Args]), macro_expansion(Ex, Ld)}};
+ {ok, {lists:reverse([Name|Args]), macro_expansion(Ex, Comma)}};
macro_pars([{var,_L,Name}, {',',_}|Ts], Args) ->
false = lists:member(Name, Args),
macro_pars(Ts, [Name|Args]).
-macro_expansion([{')',_Lp},{dot,_Ld}], _Anno0) -> [];
-macro_expansion([{dot,_}=Dot], _Anno0) ->
+macro_expansion([{')',_Lp},{dot,_Ld}], _T0) -> [];
+macro_expansion([{dot,_}=Dot], _T0) ->
throw({error,loc(Dot),missing_parenthesis});
-macro_expansion([T|Ts], _Anno0) ->
+macro_expansion([T|Ts], _T0) ->
[T|macro_expansion(Ts, T)];
-macro_expansion([], Anno0) -> throw({error,loc(Anno0),premature_end}).
+macro_expansion([], T0) -> throw({error,loc(T0),premature_end}).
%% expand_macros(Tokens, St)
%% expand_macro(Tokens, MacroToken, RestTokens)
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 1930c462e8..9a62d21d34 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -3971,6 +3971,8 @@ extract_sequence(3, [$.,_|Fmt], Need) ->
extract_sequence(4, Fmt, Need);
extract_sequence(3, Fmt, Need) ->
extract_sequence(4, Fmt, Need);
+extract_sequence(4, [$t, $l | Fmt], Need) ->
+ extract_sequence(4, [$l, $t | Fmt], Need);
extract_sequence(4, [$t, $c | Fmt], Need) ->
extract_sequence(5, [$c|Fmt], Need);
extract_sequence(4, [$t, $s | Fmt], Need) ->
@@ -3987,8 +3989,14 @@ extract_sequence(4, [$t, C | _Fmt], _Need) ->
{error,"invalid control ~t" ++ [C]};
extract_sequence(4, [$l, $p | Fmt], Need) ->
extract_sequence(5, [$p|Fmt], Need);
+extract_sequence(4, [$l, $t, $p | Fmt], Need) ->
+ extract_sequence(5, [$p|Fmt], Need);
extract_sequence(4, [$l, $P | Fmt], Need) ->
extract_sequence(5, [$P|Fmt], Need);
+extract_sequence(4, [$l, $t, $P | Fmt], Need) ->
+ extract_sequence(5, [$P|Fmt], Need);
+extract_sequence(4, [$l, $t, C | _Fmt], _Need) ->
+ {error,"invalid control ~lt" ++ [C]};
extract_sequence(4, [$l, C | _Fmt], _Need) ->
{error,"invalid control ~l" ++ [C]};
extract_sequence(4, Fmt, Need) ->
diff --git a/lib/stdlib/src/ets.erl b/lib/stdlib/src/ets.erl
index 039ab45868..6a559f0be5 100644
--- a/lib/stdlib/src/ets.erl
+++ b/lib/stdlib/src/ets.erl
@@ -73,7 +73,8 @@
select_count/2, select_delete/2, select_replace/2, select_reverse/1,
select_reverse/2, select_reverse/3, setopts/2, slot/2,
take/2,
- update_counter/3, update_counter/4, update_element/3]).
+ update_counter/3, update_counter/4, update_element/3,
+ whereis/1]).
%% internal exports
-export([internal_request_all/0]).
@@ -145,6 +146,7 @@ give_away(_, _, _) ->
InfoList :: [InfoTuple],
InfoTuple :: {compressed, boolean()}
| {heir, pid() | none}
+ | {id, tid()}
| {keypos, pos_integer()}
| {memory, non_neg_integer()}
| {name, atom()}
@@ -162,7 +164,7 @@ info(_) ->
-spec info(Tab, Item) -> Value | undefined when
Tab :: tab(),
- Item :: compressed | fixed | heir | keypos | memory
+ Item :: compressed | fixed | heir | id | keypos | memory
| name | named_table | node | owner | protection
| safe_fixed | safe_fixed_monotonic_time | size | stats | type
| write_concurrency | read_concurrency,
@@ -512,6 +514,11 @@ update_counter(_, _, _, _) ->
update_element(_, _, _) ->
erlang:nif_error(undef).
+-spec whereis(TableName) -> tid() | undefined when
+ TableName :: atom().
+whereis(_) ->
+ erlang:nif_error(undef).
+
%%% End of BIFs
-opaque comp_match_spec() :: reference().
diff --git a/lib/stdlib/src/gen.erl b/lib/stdlib/src/gen.erl
index 0e6f49d99f..2e6223d2bb 100644
--- a/lib/stdlib/src/gen.erl
+++ b/lib/stdlib/src/gen.erl
@@ -157,52 +157,27 @@ call(Process, Label, Request, Timeout)
Fun = fun(Pid) -> do_call(Pid, Label, Request, Timeout) end,
do_for_proc(Process, Fun).
-do_call(Process, Label, Request, Timeout) ->
- try erlang:monitor(process, Process) of
- Mref ->
- %% If the monitor/2 call failed to set up a connection to a
- %% remote node, we don't want the '!' operator to attempt
- %% to set up the connection again. (If the monitor/2 call
- %% failed due to an expired timeout, '!' too would probably
- %% have to wait for the timeout to expire.) Therefore,
- %% use erlang:send/3 with the 'noconnect' option so that it
- %% will fail immediately if there is no connection to the
- %% remote node.
-
- catch erlang:send(Process, {Label, {self(), Mref}, Request},
- [noconnect]),
- receive
- {Mref, Reply} ->
- erlang:demonitor(Mref, [flush]),
- {ok, Reply};
- {'DOWN', Mref, _, _, noconnection} ->
- Node = get_node(Process),
- exit({nodedown, Node});
- {'DOWN', Mref, _, _, Reason} ->
- exit(Reason)
- after Timeout ->
- erlang:demonitor(Mref, [flush]),
- exit(timeout)
- end
- catch
- error:_ ->
- %% Node (C/Java?) is not supporting the monitor.
- %% The other possible case -- this node is not distributed
- %% -- should have been handled earlier.
- %% Do the best possible with monitor_node/2.
- %% This code may hang indefinitely if the Process
- %% does not exist. It is only used for featureweak remote nodes.
- Node = get_node(Process),
- monitor_node(Node, true),
- receive
- {nodedown, Node} ->
- monitor_node(Node, false),
- exit({nodedown, Node})
- after 0 ->
- Tag = make_ref(),
- Process ! {Label, {self(), Tag}, Request},
- wait_resp(Node, Tag, Timeout)
- end
+do_call(Process, Label, Request, Timeout) when is_atom(Process) =:= false ->
+ Mref = erlang:monitor(process, Process),
+
+ %% OTP-21:
+ %% Auto-connect is asynchronous. But we still use 'noconnect' to make sure
+ %% we send on the monitored connection, and not trigger a new auto-connect.
+ %%
+ erlang:send(Process, {Label, {self(), Mref}, Request}, [noconnect]),
+
+ receive
+ {Mref, Reply} ->
+ erlang:demonitor(Mref, [flush]),
+ {ok, Reply};
+ {'DOWN', Mref, _, _, noconnection} ->
+ Node = get_node(Process),
+ exit({nodedown, Node});
+ {'DOWN', Mref, _, _, Reason} ->
+ exit(Reason)
+ after Timeout ->
+ erlang:demonitor(Mref, [flush]),
+ exit(timeout)
end.
get_node(Process) ->
@@ -217,19 +192,6 @@ get_node(Process) ->
node(Process)
end.
-wait_resp(Node, Tag, Timeout) ->
- receive
- {Tag, Reply} ->
- monitor_node(Node, false),
- {ok, Reply};
- {nodedown, Node} ->
- monitor_node(Node, false),
- exit({nodedown, Node})
- after Timeout ->
- monitor_node(Node, false),
- exit(timeout)
- end.
-
%%
%% Send a reply to the client.
%%
diff --git a/lib/stdlib/src/gen_server.erl b/lib/stdlib/src/gen_server.erl
index 77a46419f6..f29314d0a2 100644
--- a/lib/stdlib/src/gen_server.erl
+++ b/lib/stdlib/src/gen_server.erl
@@ -437,12 +437,11 @@ decode_msg(Msg, Parent, Name, State, Mod, Time, HibernateAfterTimeout, Debug, Hi
%%% Send/receive functions
%%% ---------------------------------------------------
do_send(Dest, Msg) ->
- case catch erlang:send(Dest, Msg, [noconnect]) of
- noconnect ->
- spawn(erlang, send, [Dest,Msg]);
- Other ->
- Other
- end.
+ try erlang:send(Dest, Msg)
+ catch
+ error:_ -> ok
+ end,
+ ok.
do_multi_call(Nodes, Name, Req, infinity) ->
Tag = make_ref(),
diff --git a/lib/stdlib/src/gen_statem.erl b/lib/stdlib/src/gen_statem.erl
index f95b2ea9cd..9dc360a289 100644
--- a/lib/stdlib/src/gen_statem.erl
+++ b/lib/stdlib/src/gen_statem.erl
@@ -641,16 +641,11 @@ replies([]) ->
%% Might actually not send the message in case of caught exception
send(Proc, Msg) ->
- try erlang:send(Proc, Msg, [noconnect]) of
- noconnect ->
- _ = spawn(erlang, send, [Proc,Msg]),
- ok;
- ok ->
- ok
+ try erlang:send(Proc, Msg)
catch
- _:_ ->
- ok
- end.
+ error:_ -> ok
+ end,
+ ok.
%% Here the init_it/6 and enter_loop/5,6,7 functions converge
enter(Module, Opts, State, Data, Server, Actions, Parent) ->
diff --git a/lib/stdlib/src/io_lib.erl b/lib/stdlib/src/io_lib.erl
index cacd9f2524..e37c13093b 100644
--- a/lib/stdlib/src/io_lib.erl
+++ b/lib/stdlib/src/io_lib.erl
@@ -931,7 +931,7 @@ limit_term(Term, Depth) ->
limit(_, 0) -> '...';
limit([H|T]=L, D) ->
if
- D =:= 1 -> '...';
+ D =:= 1 -> ['...'];
true ->
case printable_list(L) of
true -> L;
@@ -944,7 +944,7 @@ limit(Term, D) when is_map(Term) ->
limit({}=T, _D) -> T;
limit(T, D) when is_tuple(T) ->
if
- D =:= 1 -> '...';
+ D =:= 1 -> {'...'};
true ->
list_to_tuple([limit(element(1, T), D-1)|
limit_tail(tl(tuple_to_list(T)), D-1)])
@@ -961,32 +961,29 @@ limit_tail(Other, D) ->
%% Cannot limit maps properly since there is no guarantee that
%% maps:from_list() creates a map with the same internal ordering of
-%% the selected associations as in Map.
+%% the selected associations as in Map. Instead of subtracting one
+%% from the depth as the map associations are traversed (as is done
+%% for tuples and lists), the same depth is applied to each and every
+%% (returned) association.
limit_map(Map, D) ->
- limit_map(maps:iterator(Map), D, []).
+ %% Keep one extra association to make sure the final ',...' is included.
+ limit_map_body(maps:iterator(Map), D + 1, D, []).
-limit_map(_I, 0, Acc) ->
+limit_map_body(_I, 0, _D0, Acc) ->
maps:from_list(Acc);
-limit_map(I, D, Acc) ->
+limit_map_body(I, D, D0, Acc) ->
case maps:next(I) of
{K, V, NextI} ->
- limit_map(NextI, D-1, [{K,V} | Acc]);
+ limit_map_body(NextI, D-1, D0, [limit_map_assoc(K, V, D0) | Acc]);
none ->
maps:from_list(Acc)
end.
-%% maps:from_list(limit_map_body(erts_internal:maps_to_list(Map, D), D)).
+limit_map_assoc(K, V, D) ->
+ %% Keep keys as are to avoid creating duplicated keys.
+ {K, limit(V, D - 1)}.
-%% limit_map_body(_, 0) -> [{'...', '...'}];
-%% limit_map_body([], _) -> [];
-%% limit_map_body([{K,V}], D) -> [limit_map_assoc(K, V, D)];
-%% limit_map_body([{K,V}|KVs], D) ->
-%% [limit_map_assoc(K, V, D) | limit_map_body(KVs, D-1)].
-
-%% limit_map_assoc(K, V, D) ->
-%% {limit(K, D-1), limit(V, D-1)}.
-
-limit_bitstring(B, _D) -> B. %% Keeps all printable binaries.
+limit_bitstring(B, _D) -> B. % Keeps all printable binaries.
test_limit(_, 0) -> throw(limit);
test_limit([H|T]=L, D) when is_integer(D) ->
@@ -1022,18 +1019,21 @@ test_limit_tuple(T, I, Sz, D) ->
test_limit(element(I, T), D-1),
test_limit_tuple(T, I+1, Sz, D-1).
-test_limit_map(_Map, _D) -> ok.
-%% test_limit_map_body(erts_internal:maps_to_list(Map, D), D).
+test_limit_map(Map, D) ->
+ test_limit_map_body(maps:iterator(Map), D).
-%% test_limit_map_body(_, 0) -> throw(limit);
-%% test_limit_map_body([], _) -> ok;
-%% test_limit_map_body([{K,V}], D) -> test_limit_map_assoc(K, V, D);
-%% test_limit_map_body([{K,V}|KVs], D) ->
-%% test_limit_map_assoc(K, V, D),
-%% test_limit_map_body(KVs, D-1).
+test_limit_map_body(_I, 0) -> throw(limit); % cannot happen
+test_limit_map_body(I, D) ->
+ case maps:next(I) of
+ {K, V, NextI} ->
+ test_limit_map_assoc(K, V, D),
+ test_limit_map_body(NextI, D-1);
+ none ->
+ ok
+ end.
-%% test_limit_map_assoc(K, V, D) ->
-%% test_limit(K, D-1),
-%% test_limit(V, D-1).
+test_limit_map_assoc(K, V, D) ->
+ test_limit(K, D - 1),
+ test_limit(V, D - 1).
test_limit_bitstring(_, _) -> ok.
diff --git a/lib/stdlib/src/io_lib_format.erl b/lib/stdlib/src/io_lib_format.erl
index e345810ca0..64edbf1824 100644
--- a/lib/stdlib/src/io_lib_format.erl
+++ b/lib/stdlib/src/io_lib_format.erl
@@ -95,7 +95,7 @@ print([]) ->
[].
print(C, F, Ad, P, Pad, Encoding, Strings) ->
- [$~] ++ print_field_width(F, Ad) ++ print_precision(P) ++
+ [$~] ++ print_field_width(F, Ad) ++ print_precision(P, Pad) ++
print_pad_char(Pad) ++ print_encoding(Encoding) ++
print_strings(Strings) ++ [C].
@@ -103,8 +103,9 @@ print_field_width(none, _Ad) -> "";
print_field_width(F, left) -> integer_to_list(-F);
print_field_width(F, right) -> integer_to_list(F).
-print_precision(none) -> "";
-print_precision(P) -> [$. | integer_to_list(P)].
+print_precision(none, $\s) -> "";
+print_precision(none, _Pad) -> "."; % pad must be second dot
+print_precision(P, _Pad) -> [$. | integer_to_list(P)].
print_pad_char($\s) -> ""; % default, no need to make explicit
print_pad_char(Pad) -> [$., Pad].
@@ -126,25 +127,23 @@ collect_cseq(Fmt0, Args0) ->
{F,Ad,Fmt1,Args1} = field_width(Fmt0, Args0),
{P,Fmt2,Args2} = precision(Fmt1, Args1),
{Pad,Fmt3,Args3} = pad_char(Fmt2, Args2),
- {Encoding,Fmt4,Args4} = encoding(Fmt3, Args3),
- {Strings,Fmt5,Args5} = strings(Fmt4, Args4),
- {C,As,Fmt6,Args6} = collect_cc(Fmt5, Args5),
- FormatSpec = #{control_char => C, args => As, width => F, adjust => Ad,
- precision => P, pad_char => Pad, encoding => Encoding,
- strings => Strings},
- {FormatSpec,Fmt6,Args6}.
-
-encoding([$t|Fmt],Args) ->
- true = hd(Fmt) =/= $l,
- {unicode,Fmt,Args};
-encoding(Fmt,Args) ->
- {latin1,Fmt,Args}.
-
-strings([$l|Fmt],Args) ->
- true = hd(Fmt) =/= $t,
- {false,Fmt,Args};
-strings(Fmt,Args) ->
- {true,Fmt,Args}.
+ Spec0 = #{width => F,
+ adjust => Ad,
+ precision => P,
+ pad_char => Pad,
+ encoding => latin1,
+ strings => true},
+ {Spec1,Fmt4} = modifiers(Fmt3, Spec0),
+ {C,As,Fmt5,Args4} = collect_cc(Fmt4, Args3),
+ Spec2 = Spec1#{control_char => C, args => As},
+ {Spec2,Fmt5,Args4}.
+
+modifiers([$t|Fmt], Spec) ->
+ modifiers(Fmt, Spec#{encoding => unicode});
+modifiers([$l|Fmt], Spec) ->
+ modifiers(Fmt, Spec#{strings => false});
+modifiers(Fmt, Spec) ->
+ {Spec, Fmt}.
field_width([$-|Fmt0], Args0) ->
{F,Fmt,Args} = field_value(Fmt0, Args0),
diff --git a/lib/stdlib/src/lists.erl b/lib/stdlib/src/lists.erl
index af9d63ddd6..06c90c0280 100644
--- a/lib/stdlib/src/lists.erl
+++ b/lib/stdlib/src/lists.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -38,8 +38,8 @@
-export([all/2,any/2,map/2,flatmap/2,foldl/3,foldr/3,filter/2,
partition/2,zf/2,filtermap/2,
- mapfoldl/3,mapfoldr/3,foreach/2,takewhile/2,dropwhile/2,splitwith/2,
- split/2,
+ mapfoldl/3,mapfoldr/3,foreach/2,takewhile/2,dropwhile/2,
+ search/2, splitwith/2,split/2,
join/2]).
%%% BIFs
@@ -1399,6 +1399,19 @@ dropwhile(Pred, [Hd|Tail]=Rest) ->
end;
dropwhile(Pred, []) when is_function(Pred, 1) -> [].
+-spec search(Pred, List) -> {value, Value} | false when
+ Pred :: fun((T) -> boolean()),
+ List :: [T],
+ Value :: T.
+
+search(Pred, [Hd|Tail]) ->
+ case Pred(Hd) of
+ true -> {value, Hd};
+ false -> search(Pred, Tail)
+ end;
+search(Pred, []) when is_function(Pred, 1) ->
+ false.
+
-spec splitwith(Pred, List) -> {List1, List2} when
Pred :: fun((T) -> boolean()),
List :: [T],
diff --git a/lib/stdlib/src/string.erl b/lib/stdlib/src/string.erl
index e01bb7d85e..4e89819e41 100644
--- a/lib/stdlib/src/string.erl
+++ b/lib/stdlib/src/string.erl
@@ -420,10 +420,12 @@ to_number(_, Number, Rest, _, Tail) ->
%% Return the remaining string with prefix removed or else nomatch
-spec prefix(String::unicode:chardata(), Prefix::unicode:chardata()) ->
'nomatch' | unicode:chardata().
-prefix(Str, []) -> Str;
prefix(Str, Prefix0) ->
- Prefix = unicode:characters_to_list(Prefix0),
- case prefix_1(Str, Prefix) of
+ Result = case unicode:characters_to_list(Prefix0) of
+ [] -> Str;
+ Prefix -> prefix_1(Str, Prefix)
+ end,
+ case Result of
[] when is_binary(Str) -> <<>>;
Res -> Res
end.
diff --git a/lib/stdlib/src/uri_string.erl b/lib/stdlib/src/uri_string.erl
index a84679c595..28d36ea229 100644
--- a/lib/stdlib/src/uri_string.erl
+++ b/lib/stdlib/src/uri_string.erl
@@ -227,7 +227,7 @@
%% External API
%%-------------------------------------------------------------------------
-export([compose_query/1, compose_query/2,
- dissect_query/1, normalize/1, parse/1,
+ dissect_query/1, normalize/1, normalize/2, parse/1,
recompose/1, transcode/2]).
-export_type([error/0, uri_map/0, uri_string/0]).
@@ -292,18 +292,36 @@
%%-------------------------------------------------------------------------
%% Normalize URIs
%%-------------------------------------------------------------------------
--spec normalize(URIString) -> NormalizedURI when
- URIString :: uri_string(),
- NormalizedURI :: uri_string().
-normalize(URIString) ->
- %% Percent-encoding normalization and case normalization for
- %% percent-encoded triplets are achieved by running parse and
- %% recompose on the input URI string.
- recompose(
- normalize_path_segment(
- normalize_scheme_based(
- normalize_case(
- parse(URIString))))).
+-spec normalize(URI) -> NormalizedURI when
+ URI :: uri_string() | uri_map(),
+ NormalizedURI :: uri_string()
+ | error().
+normalize(URIMap) ->
+ normalize(URIMap, []).
+
+
+-spec normalize(URI, Options) -> NormalizedURI when
+ URI :: uri_string() | uri_map(),
+ Options :: [return_map],
+ NormalizedURI :: uri_string() | uri_map().
+normalize(URIMap, []) when is_map(URIMap) ->
+ recompose(normalize_map(URIMap));
+normalize(URIMap, [return_map]) when is_map(URIMap) ->
+ normalize_map(URIMap);
+normalize(URIString, []) ->
+ case parse(URIString) of
+ Value when is_map(Value) ->
+ recompose(normalize_map(Value));
+ Error ->
+ Error
+ end;
+normalize(URIString, [return_map]) ->
+ case parse(URIString) of
+ Value when is_map(Value) ->
+ normalize_map(Value);
+ Error ->
+ Error
+ end.
%%-------------------------------------------------------------------------
@@ -385,7 +403,8 @@ transcode(URIString, Options) when is_list(URIString) ->
%%-------------------------------------------------------------------------
%% Functions for working with the query part of a URI as a list
%% of key/value pairs.
-%% HTML5 - 4.10.22.6 URL-encoded form data
+%% HTML 5.2 - 4.10.21.6 URL-encoded form data - WHATWG URL (10 Jan 2018) - UTF-8
+%% HTML 5.0 - 4.10.22.6 URL-encoded form data - non UTF-8
%%-------------------------------------------------------------------------
%%-------------------------------------------------------------------------
@@ -393,7 +412,7 @@ transcode(URIString, Options) when is_list(URIString) ->
%% (application/x-www-form-urlencoded encoding algorithm)
%%-------------------------------------------------------------------------
-spec compose_query(QueryList) -> QueryString when
- QueryList :: [{uri_string(), uri_string()}],
+ QueryList :: [{unicode:chardata(), unicode:chardata()}],
QueryString :: uri_string()
| error().
compose_query(List) ->
@@ -401,7 +420,7 @@ compose_query(List) ->
-spec compose_query(QueryList, Options) -> QueryString when
- QueryList :: [{uri_string(), uri_string()}],
+ QueryList :: [{unicode:chardata(), unicode:chardata()}],
Options :: [{encoding, atom()}],
QueryString :: uri_string()
| error().
@@ -432,7 +451,7 @@ compose_query([], _Options, IsList, Acc) ->
%%-------------------------------------------------------------------------
-spec dissect_query(QueryString) -> QueryList when
QueryString :: uri_string(),
- QueryList :: [{uri_string(), uri_string()}]
+ QueryList :: [{unicode:chardata(), unicode:chardata()}]
| error().
dissect_query(<<>>) ->
[];
@@ -1755,7 +1774,8 @@ get_separator(_L) ->
<<"&">>.
-%% HTML5 - 4.10.22.6 URL-encoded form data - encoding
+%% HTML 5.2 - 4.10.21.6 URL-encoded form data - WHATWG URL (10 Jan 2018) - UTF-8
+%% HTML 5.0 - 4.10.22.6 URL-encoded form data - encoding (non UTF-8)
form_urlencode(Cs, [{encoding, latin1}]) when is_list(Cs) ->
B = convert_to_binary(Cs, utf8, utf8),
html5_byte_encode(base10_encode(B));
@@ -1850,7 +1870,8 @@ dissect_query_value(<<>>, IsList, Acc, Key, Value) ->
lists:reverse([{K,V}|Acc]).
-%% Form-urldecode input based on RFC 1866 [8.2.1]
+%% HTML 5.2 - 4.10.21.6 URL-encoded form data - WHATWG URL (10 Jan 2018) - UTF-8
+%% HTML 5.0 - 4.10.22.6 URL-encoded form data - decoding (non UTF-8)
form_urldecode(true, B) ->
Result = base10_decode(form_urldecode(B, <<>>)),
convert_to_list(Result, utf8);
@@ -1903,6 +1924,12 @@ base10_decode_unicode(<<H,_/binary>>, _, _) ->
%% Helper functions for normalize
%%-------------------------------------------------------------------------
+normalize_map(URIMap) ->
+ normalize_path_segment(
+ normalize_scheme_based(
+ normalize_case(URIMap))).
+
+
%% 6.2.2.1. Case Normalization
normalize_case(#{scheme := Scheme, host := Host} = Map) ->
Map#{scheme => to_lower(Scheme),