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authorCalvin Morrison <calvin@pobox.com>2025-09-03 21:15:36 -0400
committerCalvin Morrison <calvin@pobox.com>2025-09-03 21:15:36 -0400
commit49fa5aa2a127bdf8924d02bf77e5086b39c7a447 (patch)
tree61d86a7705dacc9fddccc29fa79d075d83ab8059 /server/_build/default/plugins/jsx/src/jsx_encoder.erl
i vibe coded itHEADmaster
Diffstat (limited to 'server/_build/default/plugins/jsx/src/jsx_encoder.erl')
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diff --git a/server/_build/default/plugins/jsx/src/jsx_encoder.erl b/server/_build/default/plugins/jsx/src/jsx_encoder.erl
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+%% 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_encoder).
+
+-export([encoder/3, encode/1, encode/2]).
+
+-spec encoder(Handler::module(), State::any(), Config::list()) -> jsx:encoder().
+
+encoder(Handler, State, Config) ->
+ Parser = jsx:parser(Handler, State, Config),
+ fun(Term) -> Parser(encode(Term) ++ [end_json]) end.
+
+
+-spec encode(Term::any()) -> any().
+
+encode(Term) -> encode(Term, ?MODULE).
+
+
+-spec encode(Term::any(), EntryPoint::module()) -> any().
+
+-ifndef(maps_support).
+encode(Term, EntryPoint) -> encode_(Term, EntryPoint).
+-endif.
+
+-ifdef(maps_support).
+encode(Map, _EntryPoint) when is_map(Map), map_size(Map) < 1 ->
+ [start_object, end_object];
+encode(Term, EntryPoint) when is_map(Term) ->
+ [start_object] ++ unpack(Term, EntryPoint);
+encode(Term, EntryPoint) -> encode_(Term, EntryPoint).
+-endif.
+
+encode_([], _EntryPoint) -> [start_array, end_array];
+encode_([{}], _EntryPoint) -> [start_object, end_object];
+
+%% datetime special case
+encode_([{{_,_,_},{_,_,_}} = DateTime|Rest], EntryPoint) ->
+ [start_array] ++ [DateTime] ++ unhitch(Rest, EntryPoint);
+encode_([{_, _}|_] = Term, EntryPoint) ->
+ [start_object] ++ unzip(Term, EntryPoint);
+encode_(Term, EntryPoint) when is_list(Term) ->
+ [start_array] ++ unhitch(Term, EntryPoint);
+
+encode_(Else, _EntryPoint) -> [Else].
+
+
+unzip([{K, V}|Rest], EntryPoint) when is_integer(K); is_binary(K); is_atom(K) ->
+ [K] ++ EntryPoint:encode(V, EntryPoint) ++ unzip(Rest, EntryPoint);
+unzip([], _) -> [end_object];
+unzip(_, _) -> erlang:error(badarg).
+
+
+unhitch([V|Rest], EntryPoint) ->
+ EntryPoint:encode(V, EntryPoint) ++ unhitch(Rest, EntryPoint);
+unhitch([], _) -> [end_array].
+
+
+-ifdef(maps_support).
+unpack(Map, EntryPoint) -> unpack(Map, maps:keys(Map), EntryPoint).
+
+unpack(Map, [K|Rest], EntryPoint) when is_integer(K); is_binary(K); is_atom(K) ->
+ [K] ++ EntryPoint:encode(maps:get(K, Map), EntryPoint) ++ unpack(Map, Rest, EntryPoint);
+unpack(_, [], _) -> [end_object].
+-endif.
+
+
+
+-ifdef(TEST).
+-include_lib("eunit/include/eunit.hrl").
+
+
+parser(Term, Opts) -> (jsx:parser(jsx, [], Opts))(Term).
+
+
+error_test_() ->
+ [
+ {"value error", ?_assertError(badarg, parser(self(), []))},
+ {"string error", ?_assertError(badarg, parser(<<239, 191, 191>>, [strict]))}
+ ].
+
+custom_error_handler_test_() ->
+ Error = fun(Term, {_, State, _, _}, _) -> {State, Term} end,
+ [
+ {"value error", ?_assertEqual(
+ {value, [self()]},
+ parser(self(), [{error_handler, Error}])
+ )},
+ {"string error", ?_assertEqual(
+ {value, [{string, <<237, 160, 128>>}]},
+ parser(<<237, 160, 128>>, [{error_handler, Error}, strict])
+ )}
+ ].
+
+improper_lists_test_() ->
+ [
+ {"improper proplist", ?_assertError(
+ badarg,
+ encode([{<<"key">>, <<"value">>}, false])
+ )},
+ {"improper list", ?_assertError(
+ badarg,
+ encode([{literal, true}, false, null])
+ )}
+ ].
+
+-endif.