diff options
Diffstat (limited to 'server/_build/default/lib/jsx/src/jsx_parser.erl')
| -rw-r--r-- | server/_build/default/lib/jsx/src/jsx_parser.erl | 1214 |
1 files changed, 1214 insertions, 0 deletions
diff --git a/server/_build/default/lib/jsx/src/jsx_parser.erl b/server/_build/default/lib/jsx/src/jsx_parser.erl new file mode 100644 index 0000000..8506b03 --- /dev/null +++ b/server/_build/default/lib/jsx/src/jsx_parser.erl @@ -0,0 +1,1214 @@ +%% The MIT License + +%% Copyright (c) 2010-2013 Alisdair Sullivan <alisdairsullivan@yahoo.ca> + +%% Permission is hereby granted, free of charge, to any person obtaining a copy +%% of this software and associated documentation files (the "Software"), to deal +%% in the Software without restriction, including without limitation the rights +%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +%% copies of the Software, and to permit persons to whom the Software is +%% furnished to do so, subject to the following conditions: + +%% The above copyright notice and this permission notice shall be included in +%% all copies or substantial portions of the Software. + +%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +%% THE SOFTWARE. + + +-module(jsx_parser). + +-export([parser/3, resume/5]). +-export([init/1, handle_event/2]). + + +-spec parser(Handler::module(), State::any(), Config::jsx_config:options()) -> jsx:parser(). + +parser(Handler, State, Config) -> + fun(Tokens) -> value(Tokens, {Handler, Handler:init(State)}, [], jsx_config:parse_config(Config)) end. + + +%% resume allows continuation from interrupted decoding without having to explicitly export +%% all states +-spec resume( + Rest::jsx:token(), + State::atom(), + Handler::module(), + Stack::list(atom()), + Config::jsx:config() + ) -> jsx:parser() | {incomplete, jsx:parser()}. + +resume(Rest, State, Handler, Stack, Config) -> + case State of + value -> value(Rest, Handler, Stack, Config); + object -> object(Rest, Handler, Stack, Config); + array -> array(Rest, Handler, Stack, Config); + maybe_done -> maybe_done(Rest, Handler, Stack, Config); + done -> done(Rest, Handler, Stack, Config) + end. + + +-include("jsx_config.hrl"). + + +%% error, incomplete and event macros +-ifndef(error). +-define(error(State, Terms, Handler, Stack, Config), + case Config#config.error_handler of + false -> erlang:error(badarg); + F -> F(Terms, {parser, State, Handler, Stack}, jsx_config:config_to_list(Config)) + end + +). +-endif. + + +incomplete(State, Handler, Stack, Config=#config{stream=false}) -> + ?error(State, [], Handler, Stack, Config); +incomplete(State, Handler, Stack, Config=#config{incomplete_handler=false}) -> + {incomplete, fun(End) when End == end_stream; End == end_json -> + case resume([end_json], State, Handler, Stack, Config) of + {incomplete, _} -> ?error(State, [], Handler, Stack, Config); + Else -> Else + end; + (Tokens) -> + resume(Tokens, State, Handler, Stack, Config) + end + }; +incomplete(State, Handler, Stack, Config=#config{incomplete_handler=F}) -> + F([], {parser, State, Handler, Stack}, jsx_config:config_to_list(Config)). + + +handle_event(Event, {Handler, State}, _Config) -> {Handler, Handler:handle_event(Event, State)}. + + +value([String|Tokens], Handler, Stack, Config) when is_binary(String) -> + try clean_string(String, Config) of Clean -> + maybe_done(Tokens, handle_event({string, Clean}, Handler, Config), Stack, Config) + catch error:badarg -> + ?error(value, [{string, String}|Tokens], Handler, Stack, Config) + end; +value([true|Tokens], Handler, Stack, Config) -> + maybe_done(Tokens, handle_event({literal, true}, Handler, Config), Stack, Config); +value([false|Tokens], Handler, Stack, Config) -> + maybe_done(Tokens, handle_event({literal, false}, Handler, Config), Stack, Config); +value([null|Tokens], Handler, Stack, Config) -> + maybe_done(Tokens, handle_event({literal, null}, Handler, Config), Stack, Config); +value([start_object|Tokens], Handler, Stack, Config) -> + object(Tokens, handle_event(start_object, Handler, Config), [object|Stack], Config); +value([start_array|Tokens], Handler, Stack, Config) -> + array(Tokens, handle_event(start_array, Handler, Config), [array|Stack], Config); +value([Number|Tokens], Handler, Stack, Config) when is_integer(Number) -> + maybe_done(Tokens, handle_event({integer, Number}, Handler, Config), Stack, Config); +value([Number|Tokens], Handler, Stack, Config) when is_float(Number) -> + maybe_done(Tokens, handle_event({float, Number}, Handler, Config), Stack, Config); +value([{raw, Raw}|Tokens], Handler, Stack, Config) when is_binary(Raw) -> + value((jsx:decoder(?MODULE, [], []))(Raw) ++ Tokens, Handler, Stack, Config); +value([{_,_,_}=Timestamp|Tokens], Handler, Stack, Config) -> + {{Year, Month, Day}, {Hour, Min, Sec}} = calendar:now_to_datetime( + Timestamp), + value([{string, unicode:characters_to_binary(io_lib:format( + "~4.10.0B-~2.10.0B-~2.10.0BT~2.10.0B:~2.10.0B:~2.10.0BZ", + [Year, Month, Day, Hour, Min, Sec] + ))}|Tokens], + Handler, + Stack, + Config + ); +value([{{Year, Month, Day}, {Hour, Min, Sec}}|Tokens], Handler, Stack, Config) +when is_integer(Year), is_integer(Month), is_integer(Day), is_integer(Hour), is_integer(Min), is_integer(Sec) -> + value([{string, unicode:characters_to_binary(io_lib:format( + "~4.10.0B-~2.10.0B-~2.10.0BT~2.10.0B:~2.10.0B:~2.10.0BZ", + [Year, Month, Day, Hour, Min, Sec] + ))}|Tokens], + Handler, + Stack, + Config + ); +value([{{Year, Month, Day}, {Hour, Min, Sec}}|Tokens], Handler, Stack, Config) +when is_integer(Year), is_integer(Month), is_integer(Day), is_integer(Hour), is_integer(Min), is_float(Sec) -> + value([{string, unicode:characters_to_binary(io_lib:format( + "~4.10.0B-~2.10.0B-~2.10.0BT~2.10.0B:~2.10.0B:~9.6.0fZ", + [Year, Month, Day, Hour, Min, Sec] + ))}|Tokens], + Handler, + Stack, + Config + ); +value([{literal, Value}|Tokens], Handler, Stack, Config) +when Value == true; Value == false; Value == null -> + value([Value] ++ Tokens, Handler, Stack, Config); +value([{integer, Value}|Tokens], Handler, Stack, Config) +when is_integer(Value) -> + value([Value] ++ Tokens, Handler, Stack, Config); +value([{float, Value}|Tokens], Handler, Stack, Config) +when is_float(Value) -> + value([Value] ++ Tokens, Handler, Stack, Config); +value([{string, Value}|Tokens], Handler, Stack, Config) +when is_binary(Value); is_atom(Value) -> + value([Value] ++ Tokens, Handler, Stack, Config); +value([{number, Value}|Tokens], Handler, Stack, Config) +when is_float(Value); is_integer(Value) -> + value([Value] ++ Tokens, Handler, Stack, Config); +value([String|Tokens], Handler, Stack, Config) when is_atom(String) -> + value([{string, atom_to_binary(String, utf8)}] ++ Tokens, Handler, Stack, Config); +value([], Handler, Stack, Config) -> + incomplete(value, Handler, Stack, Config); +value(BadTokens, Handler, Stack, Config) when is_list(BadTokens) -> + ?error(value, BadTokens, Handler, Stack, Config); +value(Token, Handler, Stack, Config) -> + value([Token], Handler, Stack, Config). + + +object([end_object|Tokens], Handler, [object|Stack], Config) -> + maybe_done(Tokens, handle_event(end_object, Handler, Config), Stack, Config); +object([{key, Key}|Tokens], Handler, Stack, Config) +when is_atom(Key); is_binary(Key); is_integer(Key) -> + object([Key|Tokens], Handler, Stack, Config); +object([Key|Tokens], Handler, [object|Stack], Config) +when is_atom(Key); is_binary(Key); is_integer(Key) -> + try clean_string(fix_key(Key), Config) + of K -> + value( + Tokens, + handle_event({key, K}, Handler, Config), + [object|Stack], + Config + ) + catch error:badarg -> + ?error(object, [{string, Key}|Tokens], Handler, Stack, Config) + end; +object([], Handler, Stack, Config) -> + incomplete(object, Handler, Stack, Config); +object(Token, Handler, Stack, Config) -> + object([Token], Handler, Stack, Config). + + +array([end_array|Tokens], Handler, [array|Stack], Config) -> + maybe_done(Tokens, handle_event(end_array, Handler, Config), Stack, Config); +array([], Handler, Stack, Config) -> + incomplete(array, Handler, Stack, Config); +array(Tokens, Handler, Stack, Config) when is_list(Tokens) -> + value(Tokens, Handler, Stack, Config); +array(Token, Handler, Stack, Config) -> + array([Token], Handler, Stack, Config). + + +maybe_done([end_json], Handler, [], Config) -> + done([end_json], Handler, [], Config); +maybe_done(Tokens, Handler, [object|_] = Stack, Config) when is_list(Tokens) -> + object(Tokens, Handler, Stack, Config); +maybe_done(Tokens, Handler, [array|_] = Stack, Config) when is_list(Tokens) -> + array(Tokens, Handler, Stack, Config); +maybe_done([], Handler, Stack, Config) -> + incomplete(maybe_done, Handler, Stack, Config); +maybe_done(BadTokens, Handler, Stack, Config) when is_list(BadTokens) -> + ?error(maybe_done, BadTokens, Handler, Stack, Config); +maybe_done(Token, Handler, Stack, Config) -> + maybe_done([Token], Handler, Stack, Config). + + +done([], Handler, [], Config=#config{stream=true}) -> + incomplete(done, Handler, [], Config); +done(Tokens, Handler, [], Config) when Tokens == [end_json]; Tokens == [] -> + {_, State} = handle_event(end_json, Handler, Config), + State; +done(BadTokens, Handler, Stack, Config) when is_list(BadTokens) -> + ?error(done, BadTokens, Handler, Stack, Config); +done(Token, Handler, Stack, Config) -> + done([Token], Handler, Stack, Config). + + +fix_key(Key) when is_atom(Key) -> atom_to_binary(Key, utf8); +fix_key(Key) when is_integer(Key) -> list_to_binary(integer_to_list(Key)); +fix_key(Key) when is_binary(Key) -> Key. + + +clean_string(Bin, #config{dirty_strings=true}) -> Bin; +clean_string(Bin, Config) -> clean(Bin, [], Config). + + +%% unroll the control characters +clean(<<0, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(0, Config)], Config); +clean(<<1, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(1, Config)], Config); +clean(<<2, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(2, Config)], Config); +clean(<<3, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(3, Config)], Config); +clean(<<4, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(4, Config)], Config); +clean(<<5, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(5, Config)], Config); +clean(<<6, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(6, Config)], Config); +clean(<<7, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(7, Config)], Config); +clean(<<8, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(8, Config)], Config); +clean(<<9, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(9, Config)], Config); +clean(<<10, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(10, Config)], Config); +clean(<<11, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(11, Config)], Config); +clean(<<12, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(12, Config)], Config); +clean(<<13, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(13, Config)], Config); +clean(<<14, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(14, Config)], Config); +clean(<<15, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(15, Config)], Config); +clean(<<16, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(16, Config)], Config); +clean(<<17, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(17, Config)], Config); +clean(<<18, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(18, Config)], Config); +clean(<<19, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(19, Config)], Config); +clean(<<20, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(20, Config)], Config); +clean(<<21, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(21, Config)], Config); +clean(<<22, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(22, Config)], Config); +clean(<<23, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(23, Config)], Config); +clean(<<24, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(24, Config)], Config); +clean(<<25, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(25, Config)], Config); +clean(<<26, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(26, Config)], Config); +clean(<<27, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(27, Config)], Config); +clean(<<28, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(28, Config)], Config); +clean(<<29, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(29, Config)], Config); +clean(<<30, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(30, Config)], Config); +clean(<<31, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(31, Config)], Config); +clean(<<34, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(34, Config)], Config); +clean(<<47, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(47, Config)], Config); +clean(<<92, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(92, Config)], Config); +clean(<<X/utf8, Rest/binary>> = Bin, Acc, Config=#config{uescape=true}) -> + case X of + X when X < 16#80 -> start_count(Bin, Acc, Config); + _ -> clean(Rest, [Acc, json_escape_sequence(X)], Config) + end; +%% u+2028 +clean(<<226, 128, 168, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(16#2028, Config)], Config); +%% u+2029 +clean(<<226, 128, 169, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(16#2029, Config)], Config); +clean(<<_/utf8, _/binary>> = Bin, Acc, Config) -> start_count(Bin, Acc, Config); +%% surrogates +clean(<<237, X, _, Rest/binary>>, Acc, Config) when X >= 160 -> + clean(Rest, [Acc, maybe_replace(surrogate, Config)], Config); +%% overlong encodings and missing continuations of a 2 byte sequence +clean(<<X, Rest/binary>>, Acc, Config) when X >= 192, X =< 223 -> + clean(strip_continuations(Rest, 1), [Acc, maybe_replace(badutf, Config)], Config); +%% overlong encodings and missing continuations of a 3 byte sequence +clean(<<X, Rest/binary>>, Acc, Config) when X >= 224, X =< 239 -> + clean(strip_continuations(Rest, 2), [Acc, maybe_replace(badutf, Config)], Config); +%% overlong encodings and missing continuations of a 4 byte sequence +clean(<<X, Rest/binary>>, Acc, Config) when X >= 240, X =< 247 -> + clean(strip_continuations(Rest, 3), [Acc, maybe_replace(badutf, Config)], Config); +clean(<<_, Rest/binary>>, Acc, Config) -> + clean(Rest, [Acc, maybe_replace(badutf, Config)], Config); +clean(<<>>, Acc, _) -> iolist_to_binary(Acc). + + +start_count(Bin, Acc, Config) -> + Size = count(Bin, 0, Config), + <<Clean:Size/binary, Rest/binary>> = Bin, + clean(Rest, [Acc, Clean], Config). + + +%% again, unrolling ascii makes a huge difference. sadly +count(<<0, _/binary>>, N, _) -> N; +count(<<1, _/binary>>, N, _) -> N; +count(<<2, _/binary>>, N, _) -> N; +count(<<3, _/binary>>, N, _) -> N; +count(<<4, _/binary>>, N, _) -> N; +count(<<5, _/binary>>, N, _) -> N; +count(<<6, _/binary>>, N, _) -> N; +count(<<7, _/binary>>, N, _) -> N; +count(<<8, _/binary>>, N, _) -> N; +count(<<9, _/binary>>, N, _) -> N; +count(<<10, _/binary>>, N, _) -> N; +count(<<11, _/binary>>, N, _) -> N; +count(<<12, _/binary>>, N, _) -> N; +count(<<13, _/binary>>, N, _) -> N; +count(<<14, _/binary>>, N, _) -> N; +count(<<15, _/binary>>, N, _) -> N; +count(<<16, _/binary>>, N, _) -> N; +count(<<17, _/binary>>, N, _) -> N; +count(<<18, _/binary>>, N, _) -> N; +count(<<19, _/binary>>, N, _) -> N; +count(<<20, _/binary>>, N, _) -> N; +count(<<21, _/binary>>, N, _) -> N; +count(<<22, _/binary>>, N, _) -> N; +count(<<23, _/binary>>, N, _) -> N; +count(<<24, _/binary>>, N, _) -> N; +count(<<25, _/binary>>, N, _) -> N; +count(<<26, _/binary>>, N, _) -> N; +count(<<27, _/binary>>, N, _) -> N; +count(<<28, _/binary>>, N, _) -> N; +count(<<29, _/binary>>, N, _) -> N; +count(<<30, _/binary>>, N, _) -> N; +count(<<31, _/binary>>, N, _) -> N; +count(<<32, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<33, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<34, _/binary>>, N, _) -> N; +count(<<35, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<36, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<37, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<38, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<39, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<40, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<41, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<42, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<43, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<44, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<45, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<46, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<47, _/binary>>, N, _) -> N; +count(<<48, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<49, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<50, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<51, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<52, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<53, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<54, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<55, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<56, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<57, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<58, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<59, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<60, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<61, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<62, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<63, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<64, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<65, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<66, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<67, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<68, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<69, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<70, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<71, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<72, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<73, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<74, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<75, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<76, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<77, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<78, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<79, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<80, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<81, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<82, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<83, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<84, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<85, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<86, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<87, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<88, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<89, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<90, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<91, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<92, _/binary>>, N, _) -> N; +count(<<93, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<94, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<95, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<96, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<97, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<98, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<99, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<100, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<101, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<102, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<103, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<104, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<105, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<106, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<107, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<108, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<109, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<110, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<111, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<112, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<113, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<114, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<115, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<116, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<117, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<118, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<119, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<120, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<121, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<122, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<123, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<124, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<125, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<126, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<127, Rest/binary>>, N, Config) -> + count(Rest, N + 1, Config); +count(<<_/utf8, _/binary>>, N, #config{uescape=true}) -> N; +count(<<X/utf8, Rest/binary>>, N, Config) -> + case X of + X when X < 16#800 -> count(Rest, N + 2, Config); + 16#2028 -> N; + 16#2029 -> N; + X when X < 16#10000 -> count(Rest, N + 3, Config); + _ -> count(Rest, N + 4, Config) + end; +count(<<_, _/binary>>, N, _) -> N; +count(<<>>, N, _) -> N. + + +strip_continuations(Bin, 0) -> Bin; +strip_continuations(<<X, Rest/binary>>, N) when X >= 128, X =< 191 -> + strip_continuations(Rest, N - 1); +%% not a continuation byte +strip_continuations(Bin, _) -> Bin. + + +maybe_replace($\b, #config{escaped_strings=true}) -> <<$\\, $b>>; +maybe_replace($\t, #config{escaped_strings=true}) -> <<$\\, $t>>; +maybe_replace($\n, #config{escaped_strings=true}) -> <<$\\, $n>>; +maybe_replace($\f, #config{escaped_strings=true}) -> <<$\\, $f>>; +maybe_replace($\r, #config{escaped_strings=true}) -> <<$\\, $r>>; +maybe_replace($\", #config{escaped_strings=true}) -> <<$\\, $\">>; +maybe_replace($/, Config=#config{escaped_strings=true}) -> + case Config#config.escaped_forward_slashes of + true -> <<$\\, $/>>; + false -> <<$/>> + end; +maybe_replace($\\, #config{escaped_strings=true}) -> <<$\\, $\\>>; +maybe_replace(X, #config{escaped_strings=true}) when X < 32 -> + json_escape_sequence(X); +maybe_replace(X, Config=#config{escaped_strings=true}) when X == 16#2028; X == 16#2029 -> + case Config#config.unescaped_jsonp of + true -> <<X/utf8>>; + false -> json_escape_sequence(X) + end; +maybe_replace(Atom, #config{strict_utf8=true}) when is_atom(Atom) -> + erlang:error(badarg); +maybe_replace(surrogate, _Config) -> + <<16#fffd/utf8>>; +maybe_replace(badutf, _Config) -> + <<16#fffd/utf8>>; +maybe_replace(X, _Config) -> + <<X/utf8>>. + + +%% convert a codepoint to it's \uXXXX equiv. +json_escape_sequence(X) when X < 65536 -> + <<A:4, B:4, C:4, D:4>> = <<X:16>>, + <<$\\, $u, (to_hex(A)), (to_hex(B)), (to_hex(C)), (to_hex(D))>>; +json_escape_sequence(X) -> + Adjusted = X - 16#10000, + <<A:10, B:10>> = <<Adjusted:20>>, + [json_escape_sequence(A + 16#d800), json_escape_sequence(B + 16#dc00)]. + + +to_hex(10) -> $a; +to_hex(11) -> $b; +to_hex(12) -> $c; +to_hex(13) -> $d; +to_hex(14) -> $e; +to_hex(15) -> $f; +to_hex(X) -> X + 48. %% ascii "1" is [49], "2" is [50], etc... + + +%% for raw input +-spec init([]) -> []. + +init([]) -> []. + + +-spec handle_event(Event::any(), Acc::list()) -> list(). + +handle_event(end_json, State) -> lists:reverse(State); +handle_event(Event, State) -> [Event] ++ State. + + + +-ifdef(TEST). +-include_lib("eunit/include/eunit.hrl"). + + +parse(Events, Config) -> value(Events, {jsx, []}, [], jsx_config:parse_config(Config)). + + +error_test_() -> + [ + {"value error", ?_assertError(badarg, parse([self()], []))}, + {"maybe_done error", ?_assertError(badarg, parse([start_array, end_array, start_array, end_json], []))}, + {"done error", ?_assertError(badarg, parse([{string, <<"">>}, {literal, true}, end_json], []))}, + {"string error", ?_assertError(badarg, parse([{string, <<237, 160, 128>>}, end_json], [strict]))} + ]. + + +custom_error_handler_test_() -> + Error = fun(Rest, {_, State, _, _}, _) -> {State, Rest} end, + [ + {"value error", ?_assertEqual( + {value, [self()]}, + parse([self()], [{error_handler, Error}]) + )}, + {"maybe_done error", ?_assertEqual( + {maybe_done, [start_array, end_json]}, + parse([start_array, end_array, start_array, end_json], [{error_handler, Error}]) + )}, + {"done error", ?_assertEqual( + {maybe_done, [{literal, true}, end_json]}, + parse([{string, <<"">>}, {literal, true}, end_json], [{error_handler, Error}]) + )}, + {"string error", ?_assertEqual( + {value, [{string, <<237, 160, 128>>}, end_json]}, + parse([{string, <<237, 160, 128>>}, end_json], [{error_handler, Error}, strict]) + )} + ]. + + +incomplete_test_() -> + Cases = [ + {"incomplete value", []}, + {"incomplete object", [start_object]}, + {"incomplete array", [start_array]}, + {"incomplete maybe_done", [start_array, end_array]} + ], + [{Title, ?_assertError(badarg, parse(Events, []))} + || {Title, Events} <- Cases + ]. + + +custom_incomplete_handler_test_() -> + [ + {"custom incomplete handler", ?_assertError( + badarg, + parse([], [{incomplete_handler, fun(_, _, _) -> erlang:error(badarg) end}]) + )} + ]. + + +raw_test_() -> + Parse = fun(Events, Config) -> (parser(?MODULE, [], Config))(Events ++ [end_json]) end, + [ + {"raw empty list", ?_assertEqual( + [start_array, end_array], + Parse([{raw, <<"[]">>}], []) + )}, + {"raw empty object", ?_assertEqual( + [start_object, end_object], + Parse([{raw, <<"{}">>}], []) + )}, + {"raw chunk inside stream", ?_assertEqual( + [start_object, {key, <<"key">>}, start_array, {literal, true}, end_array, end_object], + Parse([start_object, {key, <<"key">>}, {raw, <<"[true]">>}, end_object], []) + )} + ]. + + +%% erlang refuses to encode certain codepoints, so fake them +to_fake_utf8(N) when N < 16#0080 -> <<N:8>>; +to_fake_utf8(N) when N < 16#0800 -> + <<0:5, Y:5, X:6>> = <<N:16>>, + <<2#110:3, Y:5, 2#10:2, X:6>>; +to_fake_utf8(N) when N < 16#10000 -> + <<Z:4, Y:6, X:6>> = <<N:16>>, + <<2#1110:4, Z:4, 2#10:2, Y:6, 2#10:2, X:6>>; +to_fake_utf8(N) -> + <<0:3, W:3, Z:6, Y:6, X:6>> = <<N:24>>, + <<2#11110:5, W:3, 2#10:2, Z:6, 2#10:2, Y:6, 2#10:2, X:6>>. + + +codepoints() -> + unicode:characters_to_binary( + [32, 33] + ++ lists:seq(35, 46) + ++ lists:seq(48, 91) + ++ lists:seq(93, 16#2027) + ++ lists:seq(16#202a, 16#d7ff) + ++ lists:seq(16#e000, 16#ffff) + ). + + +extended_codepoints() -> + unicode:characters_to_binary( + lists:seq(16#10000, 16#1ffff) ++ [ + 16#20000, 16#30000, 16#40000, 16#50000, 16#60000, + 16#70000, 16#80000, 16#90000, 16#a0000, 16#b0000, + 16#c0000, 16#d0000, 16#e0000, 16#f0000, 16#100000 + ] + ). + + +surrogates() -> [ to_fake_utf8(N) || N <- lists:seq(16#d800, 16#dfff) ]. + + +clean_string_helper(String) -> + try clean_string(String, #config{strict_utf8=true}) of Clean -> Clean + catch error:badarg -> {error, badarg} + end. + + +clean_string_test_() -> + [ + {"clean codepoints", ?_assertEqual( + codepoints(), + clean_string(codepoints(), #config{}) + )}, + {"clean extended codepoints", ?_assertEqual( + extended_codepoints(), + clean_string(extended_codepoints(), #config{}) + )}, + {"escape path codepoints", ?_assertEqual( + codepoints(), + clean_string(codepoints(), #config{escaped_strings=true}) + )}, + {"escape path extended codepoints", ?_assertEqual( + extended_codepoints(), + clean_string(extended_codepoints(), #config{escaped_strings=true}) + )}, + {"error surrogates", ?_assertEqual( + lists:duplicate(length(surrogates()), {error, badarg}), + lists:map(fun(Codepoint) -> clean_string_helper(Codepoint) end, surrogates()) + )}, + {"clean surrogates", ?_assertEqual( + lists:duplicate(length(surrogates()), <<16#fffd/utf8>>), + lists:map(fun(Codepoint) -> clean_string(Codepoint, #config{}) end, surrogates()) + )} + ]. + + +escape_test_() -> + [ + {"maybe_escape backspace", ?_assertEqual( + <<"\\b">>, + clean_string(<<16#0008/utf8>>, #config{escaped_strings=true}) + )}, + {"don't escape backspace", ?_assertEqual( + <<"\b">>, + clean_string(<<16#0008/utf8>>, #config{}) + )}, + {"maybe_escape tab", ?_assertEqual( + <<"\\t">>, + clean_string(<<16#0009/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape newline", ?_assertEqual( + <<"\\n">>, + clean_string(<<16#000a/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape formfeed", ?_assertEqual( + <<"\\f">>, + clean_string(<<16#000c/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape carriage return", ?_assertEqual( + <<"\\r">>, + clean_string(<<16#000d/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape quote", ?_assertEqual( + <<"\\\"">>, + clean_string(<<16#0022/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape forward slash", ?_assertEqual( + <<"\\/">>, + clean_string(<<16#002f/utf8>>, #config{escaped_strings=true, escaped_forward_slashes=true}) + )}, + {"do not maybe_escape forward slash", ?_assertEqual( + <<"/">>, + clean_string(<<16#002f/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape backslash", ?_assertEqual( + <<"\\\\">>, + clean_string(<<16#005c/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape jsonp (u2028)", ?_assertEqual( + <<"\\u2028">>, + clean_string(<<16#2028/utf8>>, #config{escaped_strings=true}) + )}, + {"do not maybe_escape jsonp (u2028)", ?_assertEqual( + <<16#2028/utf8>>, + clean_string(<<16#2028/utf8>>, #config{escaped_strings=true, unescaped_jsonp=true}) + )}, + {"maybe_escape jsonp (u2029)", ?_assertEqual( + <<"\\u2029">>, + clean_string(<<16#2029/utf8>>, #config{escaped_strings=true}) + )}, + {"do not maybe_escape jsonp (u2029)", ?_assertEqual( + <<16#2029/utf8>>, + clean_string(<<16#2029/utf8>>, #config{escaped_strings=true, unescaped_jsonp=true}) + )}, + {"maybe_escape u0000", ?_assertEqual( + <<"\\u0000">>, + clean_string(<<16#0000/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0001", ?_assertEqual( + <<"\\u0001">>, + clean_string(<<16#0001/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0002", ?_assertEqual( + <<"\\u0002">>, + clean_string(<<16#0002/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0003", ?_assertEqual( + <<"\\u0003">>, + clean_string(<<16#0003/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0004", ?_assertEqual( + <<"\\u0004">>, + clean_string(<<16#0004/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0005", ?_assertEqual( + <<"\\u0005">>, + clean_string(<<16#0005/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0006", ?_assertEqual( + <<"\\u0006">>, + clean_string(<<16#0006/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0007", ?_assertEqual( + <<"\\u0007">>, + clean_string(<<16#0007/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u000b", ?_assertEqual( + <<"\\u000b">>, + clean_string(<<16#000b/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u000e", ?_assertEqual( + <<"\\u000e">>, + clean_string(<<16#000e/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u000f", ?_assertEqual( + <<"\\u000f">>, + clean_string(<<16#000f/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0010", ?_assertEqual( + <<"\\u0010">>, + clean_string(<<16#0010/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0011", ?_assertEqual( + <<"\\u0011">>, + clean_string(<<16#0011/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0012", ?_assertEqual( + <<"\\u0012">>, + clean_string(<<16#0012/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0013", ?_assertEqual( + <<"\\u0013">>, + clean_string(<<16#0013/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0014", ?_assertEqual( + <<"\\u0014">>, + clean_string(<<16#0014/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0015", ?_assertEqual( + <<"\\u0015">>, + clean_string(<<16#0015/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0016", ?_assertEqual( + <<"\\u0016">>, + clean_string(<<16#0016/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0017", ?_assertEqual( + <<"\\u0017">>, + clean_string(<<16#0017/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0018", ?_assertEqual( + <<"\\u0018">>, + clean_string(<<16#0018/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u0019", ?_assertEqual( + <<"\\u0019">>, + clean_string(<<16#0019/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u001a", ?_assertEqual( + <<"\\u001a">>, + clean_string(<<16#001a/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u001b", ?_assertEqual( + <<"\\u001b">>, + clean_string(<<16#001b/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u001c", ?_assertEqual( + <<"\\u001c">>, + clean_string(<<16#001c/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u001d", ?_assertEqual( + <<"\\u001d">>, + clean_string(<<16#001d/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u001e", ?_assertEqual( + <<"\\u001e">>, + clean_string(<<16#001e/utf8>>, #config{escaped_strings=true}) + )}, + {"maybe_escape u001f", ?_assertEqual( + <<"\\u001f">>, + clean_string(<<16#001f/utf8>>, #config{escaped_strings=true}) + )} + ]. + + +bad_utf8_test_() -> + [ + {"orphan continuation byte u+0080", ?_assertError( + badarg, + clean_string(<<16#0080>>, #config{strict_utf8=true}) + )}, + {"orphan continuation byte u+0080 replaced", ?_assertEqual( + <<16#fffd/utf8>>, + clean_string(<<16#0080>>, #config{}) + )}, + {"orphan continuation byte u+00bf", ?_assertError( + badarg, + clean_string(<<16#00bf>>, #config{strict_utf8=true}) + )}, + {"orphan continuation byte u+00bf replaced", ?_assertEqual( + <<16#fffd/utf8>>, + clean_string(<<16#00bf>>, #config{}) + )}, + {"2 continuation bytes", ?_assertError( + badarg, + clean_string(<<(binary:copy(<<16#0080>>, 2))/binary>>, #config{strict_utf8=true}) + )}, + {"2 continuation bytes replaced", ?_assertEqual( + binary:copy(<<16#fffd/utf8>>, 2), + clean_string(<<(binary:copy(<<16#0080>>, 2))/binary>>, #config{}) + )}, + {"3 continuation bytes", ?_assertError( + badarg, + clean_string(<<(binary:copy(<<16#0080>>, 3))/binary>>, #config{strict_utf8=true}) + )}, + {"3 continuation bytes replaced", ?_assertEqual( + binary:copy(<<16#fffd/utf8>>, 3), + clean_string(<<(binary:copy(<<16#0080>>, 3))/binary>>, #config{}) + )}, + {"4 continuation bytes", ?_assertError( + badarg, + clean_string(<<(binary:copy(<<16#0080>>, 4))/binary>>, #config{strict_utf8=true}) + )}, + {"4 continuation bytes replaced", ?_assertEqual( + binary:copy(<<16#fffd/utf8>>, 4), + clean_string(<<(binary:copy(<<16#0080>>, 4))/binary>>, #config{}) + )}, + {"5 continuation bytes", ?_assertError( + badarg, + clean_string(<<(binary:copy(<<16#0080>>, 5))/binary>>, #config{strict_utf8=true}) + )}, + {"5 continuation bytes replaced", ?_assertEqual( + binary:copy(<<16#fffd/utf8>>, 5), + clean_string(<<(binary:copy(<<16#0080>>, 5))/binary>>, #config{}) + )}, + {"6 continuation bytes", ?_assertError( + badarg, + clean_string(<<(binary:copy(<<16#0080>>, 6))/binary>>, #config{strict_utf8=true}) + )}, + {"6 continuation bytes replaced", ?_assertEqual( + binary:copy(<<16#fffd/utf8>>, 6), + clean_string(<<(binary:copy(<<16#0080>>, 6))/binary>>, #config{}) + )}, + {"all continuation bytes", ?_assertError( + badarg, + clean_string(<<(list_to_binary(lists:seq(16#0080, 16#00bf)))/binary>>, #config{strict_utf8=true}) + )}, + {"all continuation bytes replaced", ?_assertEqual( + binary:copy(<<16#fffd/utf8>>, length(lists:seq(16#0080, 16#00bf))), + clean_string( + <<(list_to_binary(lists:seq(16#0080, 16#00bf)))/binary>>, + #config{} + ) + )}, + {"lonely start byte", ?_assertError( + badarg, + clean_string(<<16#00c0>>, #config{strict_utf8=true}) + )}, + {"lonely start byte replaced", ?_assertEqual( + <<16#fffd/utf8>>, + clean_string(<<16#00c0>>, #config{}) + )}, + {"lonely start bytes (2 byte)", ?_assertError( + badarg, + clean_string(<<16#00c0, 32, 16#00df>>, #config{strict_utf8=true}) + )}, + {"lonely start bytes (2 byte) replaced", ?_assertEqual( + <<16#fffd/utf8, 32, 16#fffd/utf8>>, + clean_string(<<16#00c0, 32, 16#00df>>, #config{}) + )}, + {"lonely start bytes (3 byte)", ?_assertError( + badarg, + clean_string(<<16#00e0, 32, 16#00ef>>, #config{strict_utf8=true}) + )}, + {"lonely start bytes (3 byte) replaced", ?_assertEqual( + <<16#fffd/utf8, 32, 16#fffd/utf8>>, + clean_string(<<16#00e0, 32, 16#00ef>>, #config{}) + )}, + {"lonely start bytes (4 byte)", ?_assertError( + badarg, + clean_string(<<16#00f0, 32, 16#00f7>>, #config{strict_utf8=true}) + )}, + {"lonely start bytes (4 byte) replaced", ?_assertEqual( + <<16#fffd/utf8, 32, 16#fffd/utf8>>, + clean_string(<<16#00f0, 32, 16#00f7>>, #config{}) + )}, + {"missing continuation byte (3 byte)", ?_assertError( + badarg, + clean_string(<<224, 160, 32>>, #config{strict_utf8=true}) + )}, + {"missing continuation byte (3 byte) replaced", ?_assertEqual( + <<16#fffd/utf8, 32>>, + clean_string(<<224, 160, 32>>, #config{}) + )}, + {"missing continuation byte (4 byte missing one)", ?_assertError( + badarg, + clean_string(<<240, 144, 128, 32>>, #config{strict_utf8=true}) + )}, + {"missing continuation byte (4 byte missing one) replaced", ?_assertEqual( + <<16#fffd/utf8, 32>>, + clean_string(<<240, 144, 128, 32>>, #config{}) + )}, + {"missing continuation byte (4 byte missing two)", ?_assertError( + badarg, + clean_string(<<240, 144, 32>>, #config{strict_utf8=true}) + )}, + {"missing continuation byte (4 byte missing two) replaced", ?_assertEqual( + <<16#fffd/utf8, 32>>, + clean_string(<<240, 144, 32>>, #config{}) + )}, + {"overlong encoding of u+002f (2 byte)", ?_assertError( + badarg, + clean_string(<<16#c0, 16#af, 32>>, #config{strict_utf8=true}) + )}, + {"overlong encoding of u+002f (2 byte) replaced", ?_assertEqual( + <<16#fffd/utf8, 32>>, + clean_string(<<16#c0, 16#af, 32>>, #config{}) + )}, + {"overlong encoding of u+002f (3 byte)", ?_assertError( + badarg, + clean_string(<<16#e0, 16#80, 16#af, 32>>, #config{strict_utf8=true}) + )}, + {"overlong encoding of u+002f (3 byte) replaced", ?_assertEqual( + <<16#fffd/utf8, 32>>, + clean_string(<<16#e0, 16#80, 16#af, 32>>, #config{}) + )}, + {"overlong encoding of u+002f (4 byte)", ?_assertError( + badarg, + clean_string(<<16#f0, 16#80, 16#80, 16#af, 32>>, #config{strict_utf8=true}) + )}, + {"overlong encoding of u+002f (4 byte) replaced", ?_assertEqual( + <<16#fffd/utf8, 32>>, + clean_string(<<16#f0, 16#80, 16#80, 16#af, 32>>, #config{}) + )}, + {"highest overlong 2 byte sequence", ?_assertError( + badarg, + clean_string(<<16#c1, 16#bf, 32>>, #config{strict_utf8=true}) + )}, + {"highest overlong 2 byte sequence replaced", ?_assertEqual( + <<16#fffd/utf8, 32>>, + clean_string(<<16#c1, 16#bf, 32>>, #config{}) + )}, + {"highest overlong 3 byte sequence", ?_assertError( + badarg, + clean_string(<<16#e0, 16#9f, 16#bf, 32>>, #config{strict_utf8=true}) + )}, + {"highest overlong 3 byte sequence replaced", ?_assertEqual( + <<16#fffd/utf8, 32>>, + clean_string(<<16#e0, 16#9f, 16#bf, 32>>, #config{}) + )}, + {"highest overlong 4 byte sequence", ?_assertError( + badarg, + clean_string(<<16#f0, 16#8f, 16#bf, 16#bf, 32>>, #config{strict_utf8=true}) + )}, + {"highest overlong 4 byte sequence replaced", ?_assertEqual( + <<16#fffd/utf8, 32>>, + clean_string(<<16#f0, 16#8f, 16#bf, 16#bf, 32>>, #config{}) + )} + ]. + + +json_escape_sequence_test_() -> + [ + {"json escape sequence test - 16#0000", ?_assertEqual(<<"\\u0000"/utf8>>, json_escape_sequence(16#0000))}, + {"json escape sequence test - 16#abc", ?_assertEqual(<<"\\u0abc"/utf8>>, json_escape_sequence(16#abc))}, + {"json escape sequence test - 16#def", ?_assertEqual(<<"\\u0def"/utf8>>, json_escape_sequence(16#def))} + ]. + + +uescape_test_() -> + [ + {"\"\\u0080\"", ?_assertEqual( + <<"\\u0080">>, + clean_string(<<128/utf8>>, #config{uescape=true}) + )}, + {"\"\\u8ca8\\u5481\\u3002\\u0091\\u0091\"", ?_assertEqual( + <<"\\u8ca8\\u5481\\u3002\\u0091\\u0091">>, + clean_string( + <<232,178,168,229,146,129,227,128,130,194,145,194,145>>, + #config{uescape=true} + ) + )}, + {"\"\\ud834\\udd1e\"", ?_assertEqual( + <<"\\ud834\\udd1e">>, + clean_string(<<240, 157, 132, 158>>, #config{uescape=true}) + )}, + {"\"\\ud83d\\ude0a\"", ?_assertEqual( + <<"\\ud83d\\ude0a">>, + clean_string(<<240, 159, 152, 138>>, #config{uescape=true}) + )} + ]. + + +fix_key_test_() -> + [ + {"binary key", ?_assertEqual(fix_key(<<"foo">>), <<"foo">>)}, + {"atom key", ?_assertEqual(fix_key(foo), <<"foo">>)}, + {"integer key", ?_assertEqual(fix_key(123), <<"123">>)} + ]. + + +datetime_test_() -> + [ + {"datetime", ?_assertEqual( + [start_array, {string, <<"2014-08-13T23:12:34Z">>}, end_array, end_json], + parse([start_array, {{2014,08,13},{23,12,34}}, end_array, end_json], []) + )}, + {"datetime", ?_assertEqual( + [start_array, {string, <<"2014-08-13T23:12:34.363369Z">>}, end_array, end_json], + parse([start_array, {{2014,08,13},{23,12,34.363369}}, end_array, end_json], []) + )} + ]. + + +timestamp_test_() -> + [ + {"timestamp", ?_assertEqual( + [start_array, {string, <<"2016-01-15T18:19:28Z">>}, end_array, end_json], + parse([start_array, {1452,881968,111772}, end_array, end_json], []) + )} + ]. + + +rogue_tuple_test_() -> + [ + {"kv in value position of object", ?_assertError( + badarg, + parse([start_object, <<"key">>, {<<"key">>, <<"value">>}, end_object, end_json], []) + )}, + {"kv in value position of list", ?_assertError( + badarg, + parse([start_array, {<<"key">>, <<"value">>}, end_array, end_json], []) + )} + ]. + + +-endif. |