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retired
A standard library for the Gleam programming language
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Files
src/gleam@dynamic@decode.erl
-module(gleam@dynamic@decode).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).
-export([run/2, success/1, decode_dynamic/1, map/2, map_errors/2, then/2, one_of/2, recursive/1, decode_error/2, optional/1, collapse_errors/2, failure/2, new_primitive_decoder/2, dict/2, list/1, subfield/3, at/2, field/3, optional_field/4, optionally_at/3, decode_string/1, decode_bool/1, decode_int/1, decode_float/1, decode_bit_array/1]).
-export_type([decode_error/0, decoder/1]).
-type decode_error() :: {decode_error, binary(), binary(), list(binary())}.
-opaque decoder(DPT) :: {decoder,
fun((gleam@dynamic:dynamic_()) -> {DPT, list(decode_error())})}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 348).
-spec run(gleam@dynamic:dynamic_(), decoder(DQB)) -> {ok, DQB} |
{error, list(decode_error())}.
run(Data, Decoder) ->
{Maybe_invalid_data, Errors} = (erlang:element(2, Decoder))(Data),
case Errors of
[] ->
{ok, Maybe_invalid_data};
_ ->
{error, Errors}
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 474).
-spec success(DRC) -> decoder(DRC).
success(Data) ->
{decoder, fun(_) -> {Data, []} end}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 689).
-spec decode_dynamic(gleam@dynamic:dynamic_()) -> {gleam@dynamic:dynamic_(),
list(decode_error())}.
decode_dynamic(Data) ->
{Data, []}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 843).
-spec map(decoder(DTQ), fun((DTQ) -> DTS)) -> decoder(DTS).
map(Decoder, Transformer) ->
{decoder,
fun(D) ->
{Data, Errors} = (erlang:element(2, Decoder))(D),
{Transformer(Data), Errors}
end}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 852).
-spec map_errors(
decoder(DTU),
fun((list(decode_error())) -> list(decode_error()))
) -> decoder(DTU).
map_errors(Decoder, Transformer) ->
{decoder,
fun(D) ->
{Data, Errors} = (erlang:element(2, Decoder))(D),
{Data, Transformer(Errors)}
end}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 890).
-spec then(decoder(DUC), fun((DUC) -> decoder(DUE))) -> decoder(DUE).
then(Decoder, Next) ->
{decoder,
fun(Dynamic_data) ->
{Data, Errors} = (erlang:element(2, Decoder))(Dynamic_data),
Decoder@1 = Next(Data),
{Data@1, _} = Layer = (erlang:element(2, Decoder@1))(Dynamic_data),
case Errors of
[] ->
Layer;
_ ->
{Data@1, Errors}
end
end}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 933).
-spec run_decoders(
gleam@dynamic:dynamic_(),
{DUM, list(decode_error())},
list(decoder(DUM))
) -> {DUM, list(decode_error())}.
run_decoders(Data, Failure, Decoders) ->
case Decoders of
[] ->
Failure;
[Decoder | Decoders@1] ->
{_, Errors} = Layer = (erlang:element(2, Decoder))(Data),
case Errors of
[] ->
Layer;
_ ->
run_decoders(Data, Failure, Decoders@1)
end
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 920).
-spec one_of(decoder(DUH), list(decoder(DUH))) -> decoder(DUH).
one_of(First, Alternatives) ->
{decoder,
fun(Dynamic_data) ->
{_, Errors} = Layer = (erlang:element(2, First))(Dynamic_data),
case Errors of
[] ->
Layer;
_ ->
run_decoders(Dynamic_data, Layer, Alternatives)
end
end}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 1022).
-spec recursive(fun(() -> decoder(DUX))) -> decoder(DUX).
recursive(Inner) ->
{decoder,
fun(Data) ->
Decoder = Inner(),
(erlang:element(2, Decoder))(Data)
end}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 480).
-spec decode_error(binary(), gleam@dynamic:dynamic_()) -> list(decode_error()).
decode_error(Expected, Found) ->
[{decode_error, Expected, gleam_stdlib:classify_dynamic(Found), []}].
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 817).
-spec optional(decoder(DTM)) -> decoder(gleam@option:option(DTM)).
optional(Inner) ->
{decoder,
fun(Data) ->
case (gleam@dynamic:optional(fun(Field@0) -> {ok, Field@0} end))(
Data
) of
{ok, none} ->
{none, []};
{ok, {some, Data@1}} ->
{Data@2, Errors} = (erlang:element(2, Inner))(Data@1),
{{some, Data@2}, Errors};
{error, _} ->
{Data@3, Errors@1} = (erlang:element(2, Inner))(Data),
{{some, Data@3}, Errors@1}
end
end}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 876).
-spec collapse_errors(decoder(DTZ), binary()) -> decoder(DTZ).
collapse_errors(Decoder, Name) ->
{decoder,
fun(Dynamic_data) ->
{Data, Errors} = Layer = (erlang:element(2, Decoder))(Dynamic_data),
case Errors of
[] ->
Layer;
_ ->
{Data, decode_error(Name, Dynamic_data)}
end
end}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 954).
-spec failure(DUR, binary()) -> decoder(DUR).
failure(Zero, Expected) ->
{decoder, fun(D) -> {Zero, decode_error(Expected, D)} end}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 986).
-spec new_primitive_decoder(
binary(),
fun((gleam@dynamic:dynamic_()) -> {ok, DUT} | {error, DUT})
) -> decoder(DUT).
new_primitive_decoder(Name, Decoding_function) ->
{decoder, fun(D) -> case Decoding_function(D) of
{ok, T} ->
{T, []};
{error, Zero} ->
{Zero,
[{decode_error,
Name,
gleam_stdlib:classify_dynamic(D),
[]}]}
end end}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 771).
-spec fold_dict(
{gleam@dict:dict(DSY, DSZ), list(decode_error())},
gleam@dynamic:dynamic_(),
gleam@dynamic:dynamic_(),
fun((gleam@dynamic:dynamic_()) -> {DSY, list(decode_error())}),
fun((gleam@dynamic:dynamic_()) -> {DSZ, list(decode_error())})
) -> {gleam@dict:dict(DSY, DSZ), list(decode_error())}.
fold_dict(Acc, Key, Value, Key_decoder, Value_decoder) ->
case Key_decoder(Key) of
{Key@1, []} ->
case Value_decoder(Value) of
{Value@1, []} ->
Dict = gleam@dict:insert(
erlang:element(1, Acc),
Key@1,
Value@1
),
{Dict, erlang:element(2, Acc)};
{_, Errors} ->
push_path({maps:new(), Errors}, [<<"values"/utf8>>])
end;
{_, Errors@1} ->
push_path({maps:new(), Errors@1}, [<<"keys"/utf8>>])
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 751).
-spec dict(decoder(DSR), decoder(DST)) -> decoder(gleam@dict:dict(DSR, DST)).
dict(Key, Value) ->
{decoder, fun(Data) -> case gleam_stdlib_decode_ffi:dict(Data) of
{error, _} ->
{maps:new(), decode_error(<<"Dict"/utf8>>, Data)};
{ok, Dict} ->
gleam@dict:fold(
Dict,
{maps:new(), []},
fun(A, K, V) -> case erlang:element(2, A) of
[] ->
fold_dict(
A,
K,
V,
erlang:element(2, Key),
erlang:element(2, Value)
);
_ ->
A
end end
)
end end}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 719).
-spec list(decoder(DSF)) -> decoder(list(DSF)).
list(Inner) ->
{decoder,
fun(Data) ->
gleam_stdlib_decode_ffi:list(
Data,
erlang:element(2, Inner),
fun(P, K) -> push_path(P, [K]) end,
0,
[]
)
end}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 430).
-spec push_path({DQX, list(decode_error())}, list(any())) -> {DQX,
list(decode_error())}.
push_path(Layer, Path) ->
Decoder = gleam@dynamic:any(
[fun gleam@dynamic:string/1,
fun(X) ->
gleam@result:map(
gleam@dynamic:int(X),
fun erlang:integer_to_binary/1
)
end]
),
Path@1 = gleam@list:map(
Path,
fun(Key) ->
Key@1 = gleam_stdlib:identity(Key),
case Decoder(Key@1) of
{ok, Key@2} ->
Key@2;
{error, _} ->
<<<<"<"/utf8,
(gleam_stdlib:classify_dynamic(Key@1))/binary>>/binary,
">"/utf8>>
end
end
),
Errors = gleam@list:map(
erlang:element(2, Layer),
fun(Error) -> _record = Error,
{decode_error,
erlang:element(2, _record),
erlang:element(3, _record),
lists:append(Path@1, erlang:element(4, Error))} end
),
{erlang:element(1, Layer), Errors}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 395).
-spec index(
list(DQL),
list(DQL),
fun((gleam@dynamic:dynamic_()) -> {DQO, list(decode_error())}),
gleam@dynamic:dynamic_(),
fun((gleam@dynamic:dynamic_(), list(DQL)) -> {DQO, list(decode_error())})
) -> {DQO, list(decode_error())}.
index(Path, Position, Inner, Data, Handle_miss) ->
case Path of
[] ->
_pipe = Inner(Data),
push_path(_pipe, lists:reverse(Position));
[Key | Path@1] ->
case gleam_stdlib_decode_ffi:strict_index(Data, Key) of
{ok, {some, Data@1}} ->
index(Path@1, [Key | Position], Inner, Data@1, Handle_miss);
{ok, none} ->
Handle_miss(Data, [Key | Position]);
{error, Kind} ->
{Default, _} = Inner(Data),
_pipe@1 = {Default,
[{decode_error,
Kind,
gleam_stdlib:classify_dynamic(Data),
[]}]},
push_path(_pipe@1, lists:reverse(Position))
end
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 316).
-spec subfield(list(any()), decoder(DPW), fun((DPW) -> decoder(DPY))) -> decoder(DPY).
subfield(Field_path, Field_decoder, Next) ->
{decoder,
fun(Data) ->
{Out, Errors1} = index(
Field_path,
[],
erlang:element(2, Field_decoder),
Data,
fun(Data@1, Position) ->
{Default, _} = (erlang:element(2, Field_decoder))(Data@1),
_pipe = {Default,
[{decode_error,
<<"Field"/utf8>>,
<<"Nothing"/utf8>>,
[]}]},
push_path(_pipe, lists:reverse(Position))
end
),
{Out@1, Errors2} = (erlang:element(2, Next(Out)))(Data),
{Out@1, lists:append(Errors1, Errors2)}
end}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 385).
-spec at(list(any()), decoder(DQI)) -> decoder(DQI).
at(Path, Inner) ->
{decoder,
fun(Data) ->
index(
Path,
[],
erlang:element(2, Inner),
Data,
fun(Data@1, Position) ->
{Default, _} = (erlang:element(2, Inner))(Data@1),
_pipe = {Default,
[{decode_error,
<<"Field"/utf8>>,
<<"Nothing"/utf8>>,
[]}]},
push_path(_pipe, lists:reverse(Position))
end
)
end}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 519).
-spec field(any(), decoder(DRG), fun((DRG) -> decoder(DRI))) -> decoder(DRI).
field(Field_name, Field_decoder, Next) ->
subfield([Field_name], Field_decoder, Next).
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 552).
-spec optional_field(any(), DRM, decoder(DRM), fun((DRM) -> decoder(DRO))) -> decoder(DRO).
optional_field(Key, Default, Field_decoder, Next) ->
{decoder,
fun(Data) ->
{Out, Errors1} = case gleam_stdlib_decode_ffi:strict_index(
Data,
Key
) of
{ok, {some, Data@1}} ->
(erlang:element(2, Field_decoder))(Data@1);
{ok, none} ->
{Default, []};
{error, Kind} ->
_pipe = {Default,
[{decode_error,
Kind,
gleam_stdlib:classify_dynamic(Data),
[]}]},
push_path(_pipe, [Key])
end,
{Out@1, Errors2} = (erlang:element(2, Next(Out)))(Data),
{Out@1, lists:append(Errors1, Errors2)}
end}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 593).
-spec optionally_at(list(any()), DRT, decoder(DRT)) -> decoder(DRT).
optionally_at(Path, Default, Inner) ->
{decoder,
fun(Data) ->
index(
Path,
[],
erlang:element(2, Inner),
Data,
fun(_, _) -> {Default, []} end
)
end}.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 603).
-spec run_dynamic_function(
gleam@dynamic:dynamic_(),
DRW,
fun((gleam@dynamic:dynamic_()) -> {ok, DRW} |
{error, list(gleam@dynamic:decode_error())})
) -> {DRW, list(decode_error())}.
run_dynamic_function(Data, Zero, F) ->
case F(Data) of
{ok, Data@1} ->
{Data@1, []};
{error, Errors} ->
Errors@1 = gleam@list:map(
Errors,
fun(E) ->
{decode_error,
erlang:element(2, E),
erlang:element(3, E),
erlang:element(4, E)}
end
),
{Zero, Errors@1}
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 629).
-spec decode_string(gleam@dynamic:dynamic_()) -> {binary(),
list(decode_error())}.
decode_string(Data) ->
run_dynamic_function(Data, <<""/utf8>>, fun gleam@dynamic:string/1).
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 644).
-spec decode_bool(gleam@dynamic:dynamic_()) -> {boolean(), list(decode_error())}.
decode_bool(Data) ->
run_dynamic_function(Data, false, fun gleam@dynamic:bool/1).
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 659).
-spec decode_int(gleam@dynamic:dynamic_()) -> {integer(), list(decode_error())}.
decode_int(Data) ->
run_dynamic_function(Data, 0, fun gleam@dynamic:int/1).
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 674).
-spec decode_float(gleam@dynamic:dynamic_()) -> {float(), list(decode_error())}.
decode_float(Data) ->
run_dynamic_function(Data, +0.0, fun gleam@dynamic:float/1).
-file("/Users/louis/src/gleam/stdlib/src/gleam/dynamic/decode.gleam", 704).
-spec decode_bit_array(gleam@dynamic:dynamic_()) -> {bitstring(),
list(decode_error())}.
decode_bit_array(Data) ->
run_dynamic_function(Data, <<>>, fun gleam@dynamic:bit_array/1).