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src/helloworld_pb.erl

%% -*- coding: utf-8 -*-
%% @private
%% Automatically @generated, do not edit
%% Generated by gpb_compile version 5.0.0
%% Version source: file
-module(helloworld_pb).

-export([encode_msg/2, encode_msg/3]).
-export([decode_msg/2, decode_msg/3]).
-export([merge_msgs/3, merge_msgs/4]).
-export([verify_msg/2, verify_msg/3]).
-export([get_msg_defs/0]).
-export([get_msg_names/0]).
-export([get_group_names/0]).
-export([get_msg_or_group_names/0]).
-export([get_enum_names/0]).
-export([find_msg_def/1, fetch_msg_def/1]).
-export([find_enum_def/1, fetch_enum_def/1]).
-export([enum_symbol_by_value/2, enum_value_by_symbol/2]).
-export([get_service_names/0]).
-export([get_service_def/1]).
-export([get_rpc_names/1]).
-export([find_rpc_def/2, fetch_rpc_def/2]).
-export([fqbin_to_service_name/1]).
-export([service_name_to_fqbin/1]).
-export([fqbins_to_service_and_rpc_name/2]).
-export([service_and_rpc_name_to_fqbins/2]).
-export([fqbin_to_msg_name/1]).
-export([msg_name_to_fqbin/1]).
-export([fqbin_to_enum_name/1]).
-export([enum_name_to_fqbin/1]).
-export([get_package_name/0]).
-export([uses_packages/0]).
-export([source_basename/0]).
-export([get_all_source_basenames/0]).
-export([get_all_proto_names/0]).
-export([get_msg_containment/1]).
-export([get_pkg_containment/1]).
-export([get_service_containment/1]).
-export([get_rpc_containment/1]).
-export([get_enum_containment/1]).
-export([get_proto_by_msg_name_as_fqbin/1]).
-export([get_proto_by_service_name_as_fqbin/1]).
-export([get_proto_by_enum_name_as_fqbin/1]).
-export([get_protos_by_pkg_name_as_fqbin/1]).
-export([descriptor/0, descriptor/1]).
-export([gpb_version_as_string/0, gpb_version_as_list/0]).
-export([gpb_version_source/0]).


%% enumerated types

-export_type([]).

%% message types
-type 'HelloRequest'() ::
      #{name                    => unicode:chardata() % = 1, optional
       }.

-type 'HelloReply'() ::
      #{message                 => unicode:chardata() % = 1, optional
       }.

-export_type(['HelloRequest'/0, 'HelloReply'/0]).
-type '$msg_name'() :: 'HelloRequest' | 'HelloReply'.
-type '$msg'() :: 'HelloRequest'() | 'HelloReply'().
-export_type(['$msg_name'/0, '$msg'/0]).

-if(?OTP_RELEASE >= 24).
-dialyzer({no_underspecs, encode_msg/2}).
-endif.
-spec encode_msg('$msg'(), '$msg_name'()) -> binary().
encode_msg(Msg, MsgName) when is_atom(MsgName) -> encode_msg(Msg, MsgName, []).

-if(?OTP_RELEASE >= 24).
-dialyzer({no_underspecs, encode_msg/3}).
-endif.
-spec encode_msg('$msg'(), '$msg_name'(), list()) -> binary().
encode_msg(Msg, MsgName, Opts) ->
    case proplists:get_bool(verify, Opts) of
        true -> verify_msg(Msg, MsgName, Opts);
        false -> ok
    end,
    TrUserData = proplists:get_value(user_data, Opts),
    case MsgName of
        'HelloRequest' -> encode_msg_HelloRequest(id(Msg, TrUserData), TrUserData);
        'HelloReply' -> encode_msg_HelloReply(id(Msg, TrUserData), TrUserData)
    end.


encode_msg_HelloRequest(Msg, TrUserData) -> encode_msg_HelloRequest(Msg, <<>>, TrUserData).


encode_msg_HelloRequest(#{} = M, Bin, TrUserData) ->
    case M of
        #{name := F1} ->
            begin
                TrF1 = id(F1, TrUserData),
                case is_empty_string(TrF1) of
                    true -> Bin;
                    false -> e_type_string(TrF1, <<Bin/binary, 10>>, TrUserData)
                end
            end;
        _ -> Bin
    end.

encode_msg_HelloReply(Msg, TrUserData) -> encode_msg_HelloReply(Msg, <<>>, TrUserData).


encode_msg_HelloReply(#{} = M, Bin, TrUserData) ->
    case M of
        #{message := F1} ->
            begin
                TrF1 = id(F1, TrUserData),
                case is_empty_string(TrF1) of
                    true -> Bin;
                    false -> e_type_string(TrF1, <<Bin/binary, 10>>, TrUserData)
                end
            end;
        _ -> Bin
    end.

-compile({nowarn_unused_function,e_type_sint/3}).
e_type_sint(Value, Bin, _TrUserData) when Value >= 0 -> e_varint(Value * 2, Bin);
e_type_sint(Value, Bin, _TrUserData) -> e_varint(Value * -2 - 1, Bin).

-compile({nowarn_unused_function,e_type_int32/3}).
e_type_int32(Value, Bin, _TrUserData) when 0 =< Value, Value =< 127 -> <<Bin/binary, Value>>;
e_type_int32(Value, Bin, _TrUserData) ->
    <<N:64/unsigned-native>> = <<Value:64/signed-native>>,
    e_varint(N, Bin).

-compile({nowarn_unused_function,e_type_int64/3}).
e_type_int64(Value, Bin, _TrUserData) when 0 =< Value, Value =< 127 -> <<Bin/binary, Value>>;
e_type_int64(Value, Bin, _TrUserData) ->
    <<N:64/unsigned-native>> = <<Value:64/signed-native>>,
    e_varint(N, Bin).

-compile({nowarn_unused_function,e_type_bool/3}).
e_type_bool(true, Bin, _TrUserData) -> <<Bin/binary, 1>>;
e_type_bool(false, Bin, _TrUserData) -> <<Bin/binary, 0>>;
e_type_bool(1, Bin, _TrUserData) -> <<Bin/binary, 1>>;
e_type_bool(0, Bin, _TrUserData) -> <<Bin/binary, 0>>.

-compile({nowarn_unused_function,e_type_string/3}).
e_type_string(S, Bin, _TrUserData) ->
    Utf8 = unicode:characters_to_binary(S),
    Bin2 = e_varint(byte_size(Utf8), Bin),
    <<Bin2/binary, Utf8/binary>>.

-compile({nowarn_unused_function,e_type_bytes/3}).
e_type_bytes(Bytes, Bin, _TrUserData) when is_binary(Bytes) ->
    Bin2 = e_varint(byte_size(Bytes), Bin),
    <<Bin2/binary, Bytes/binary>>;
e_type_bytes(Bytes, Bin, _TrUserData) when is_list(Bytes) ->
    BytesBin = iolist_to_binary(Bytes),
    Bin2 = e_varint(byte_size(BytesBin), Bin),
    <<Bin2/binary, BytesBin/binary>>.

-compile({nowarn_unused_function,e_type_fixed32/3}).
e_type_fixed32(Value, Bin, _TrUserData) -> <<Bin/binary, Value:32/little>>.

-compile({nowarn_unused_function,e_type_sfixed32/3}).
e_type_sfixed32(Value, Bin, _TrUserData) -> <<Bin/binary, Value:32/little-signed>>.

-compile({nowarn_unused_function,e_type_fixed64/3}).
e_type_fixed64(Value, Bin, _TrUserData) -> <<Bin/binary, Value:64/little>>.

-compile({nowarn_unused_function,e_type_sfixed64/3}).
e_type_sfixed64(Value, Bin, _TrUserData) -> <<Bin/binary, Value:64/little-signed>>.

-compile({nowarn_unused_function,e_type_float/3}).
e_type_float(V, Bin, _) when is_number(V) -> <<Bin/binary, V:32/little-float>>;
e_type_float(infinity, Bin, _) -> <<Bin/binary, 0:16, 128, 127>>;
e_type_float('-infinity', Bin, _) -> <<Bin/binary, 0:16, 128, 255>>;
e_type_float(nan, Bin, _) -> <<Bin/binary, 0:16, 192, 127>>.

-compile({nowarn_unused_function,e_type_double/3}).
e_type_double(V, Bin, _) when is_number(V) -> <<Bin/binary, V:64/little-float>>;
e_type_double(infinity, Bin, _) -> <<Bin/binary, 0:48, 240, 127>>;
e_type_double('-infinity', Bin, _) -> <<Bin/binary, 0:48, 240, 255>>;
e_type_double(nan, Bin, _) -> <<Bin/binary, 0:48, 248, 127>>.

-compile({nowarn_unused_function,e_unknown_elems/2}).
e_unknown_elems([Elem | Rest], Bin) ->
    BinR = case Elem of
               {varint, FNum, N} ->
                   BinF = e_varint(FNum bsl 3, Bin),
                   e_varint(N, BinF);
               {length_delimited, FNum, Data} ->
                   BinF = e_varint(FNum bsl 3 bor 2, Bin),
                   BinL = e_varint(byte_size(Data), BinF),
                   <<BinL/binary, Data/binary>>;
               {group, FNum, GroupFields} ->
                   Bin1 = e_varint(FNum bsl 3 bor 3, Bin),
                   Bin2 = e_unknown_elems(GroupFields, Bin1),
                   e_varint(FNum bsl 3 bor 4, Bin2);
               {fixed32, FNum, V} ->
                   BinF = e_varint(FNum bsl 3 bor 5, Bin),
                   <<BinF/binary, V:32/little>>;
               {fixed64, FNum, V} ->
                   BinF = e_varint(FNum bsl 3 bor 1, Bin),
                   <<BinF/binary, V:64/little>>
           end,
    e_unknown_elems(Rest, BinR);
e_unknown_elems([], Bin) -> Bin.

-compile({nowarn_unused_function,e_varint/3}).
e_varint(N, Bin, _TrUserData) -> e_varint(N, Bin).

-compile({nowarn_unused_function,e_varint/2}).
e_varint(N, Bin) when N =< 127 -> <<Bin/binary, N>>;
e_varint(N, Bin) ->
    Bin2 = <<Bin/binary, (N band 127 bor 128)>>,
    e_varint(N bsr 7, Bin2).

is_empty_string("") -> true;
is_empty_string(<<>>) -> true;
is_empty_string(L) when is_list(L) -> not string_has_chars(L);
is_empty_string(B) when is_binary(B) -> false.

string_has_chars([C | _]) when is_integer(C) -> true;
string_has_chars([H | T]) ->
    case string_has_chars(H) of
        true -> true;
        false -> string_has_chars(T)
    end;
string_has_chars(B) when is_binary(B), byte_size(B) =/= 0 -> true;
string_has_chars(C) when is_integer(C) -> true;
string_has_chars(<<>>) -> false;
string_has_chars([]) -> false.


decode_msg(Bin, MsgName) when is_binary(Bin) -> decode_msg(Bin, MsgName, []).

decode_msg(Bin, MsgName, Opts) when is_binary(Bin) ->
    TrUserData = proplists:get_value(user_data, Opts),
    decode_msg_1_catch(Bin, MsgName, TrUserData).


decode_msg_1_catch(Bin, MsgName, TrUserData) ->
    try decode_msg_2_doit(MsgName, Bin, TrUserData)
    catch
        error:{gpb_error,_}=Reason:StackTrace ->
            erlang:raise(error, Reason, StackTrace);
        Class:Reason:StackTrace ->
            error({gpb_error,
                   {decoding_failure,
                    {Bin, MsgName, {Class, Reason, StackTrace}}}})
    end.

decode_msg_2_doit('HelloRequest', Bin, TrUserData) -> id(decode_msg_HelloRequest(Bin, TrUserData), TrUserData);
decode_msg_2_doit('HelloReply', Bin, TrUserData) -> id(decode_msg_HelloReply(Bin, TrUserData), TrUserData).



decode_msg_HelloRequest(Bin, TrUserData) -> dfp_read_field_def_HelloRequest(Bin, 0, 0, 0, id(<<>>, TrUserData), TrUserData).

dfp_read_field_def_HelloRequest(<<10, Rest/binary>>, Z1, Z2, F, F@_1, TrUserData) -> d_field_HelloRequest_name(Rest, Z1, Z2, F, F@_1, TrUserData);
dfp_read_field_def_HelloRequest(<<>>, 0, 0, _, F@_1, _) -> #{name => F@_1};
dfp_read_field_def_HelloRequest(Other, Z1, Z2, F, F@_1, TrUserData) -> dg_read_field_def_HelloRequest(Other, Z1, Z2, F, F@_1, TrUserData).

dg_read_field_def_HelloRequest(<<1:1, X:7, Rest/binary>>, N, Acc, F, F@_1, TrUserData) when N < 32 - 7 -> dg_read_field_def_HelloRequest(Rest, N + 7, X bsl N + Acc, F, F@_1, TrUserData);
dg_read_field_def_HelloRequest(<<0:1, X:7, Rest/binary>>, N, Acc, _, F@_1, TrUserData) ->
    Key = X bsl N + Acc,
    case Key of
        10 -> d_field_HelloRequest_name(Rest, 0, 0, 0, F@_1, TrUserData);
        _ ->
            case Key band 7 of
                0 -> skip_varint_HelloRequest(Rest, 0, 0, Key bsr 3, F@_1, TrUserData);
                1 -> skip_64_HelloRequest(Rest, 0, 0, Key bsr 3, F@_1, TrUserData);
                2 -> skip_length_delimited_HelloRequest(Rest, 0, 0, Key bsr 3, F@_1, TrUserData);
                3 -> skip_group_HelloRequest(Rest, 0, 0, Key bsr 3, F@_1, TrUserData);
                5 -> skip_32_HelloRequest(Rest, 0, 0, Key bsr 3, F@_1, TrUserData)
            end
    end;
dg_read_field_def_HelloRequest(<<>>, 0, 0, _, F@_1, _) -> #{name => F@_1}.

d_field_HelloRequest_name(<<1:1, X:7, Rest/binary>>, N, Acc, F, F@_1, TrUserData) when N < 57 -> d_field_HelloRequest_name(Rest, N + 7, X bsl N + Acc, F, F@_1, TrUserData);
d_field_HelloRequest_name(<<0:1, X:7, Rest/binary>>, N, Acc, F, _, TrUserData) ->
    {NewFValue, RestF} = begin Len = X bsl N + Acc, <<Bytes:Len/binary, Rest2/binary>> = Rest, Bytes2 = binary:copy(Bytes), {id(Bytes2, TrUserData), Rest2} end,
    dfp_read_field_def_HelloRequest(RestF, 0, 0, F, NewFValue, TrUserData).

skip_varint_HelloRequest(<<1:1, _:7, Rest/binary>>, Z1, Z2, F, F@_1, TrUserData) -> skip_varint_HelloRequest(Rest, Z1, Z2, F, F@_1, TrUserData);
skip_varint_HelloRequest(<<0:1, _:7, Rest/binary>>, Z1, Z2, F, F@_1, TrUserData) -> dfp_read_field_def_HelloRequest(Rest, Z1, Z2, F, F@_1, TrUserData).

skip_length_delimited_HelloRequest(<<1:1, X:7, Rest/binary>>, N, Acc, F, F@_1, TrUserData) when N < 57 -> skip_length_delimited_HelloRequest(Rest, N + 7, X bsl N + Acc, F, F@_1, TrUserData);
skip_length_delimited_HelloRequest(<<0:1, X:7, Rest/binary>>, N, Acc, F, F@_1, TrUserData) ->
    Length = X bsl N + Acc,
    <<_:Length/binary, Rest2/binary>> = Rest,
    dfp_read_field_def_HelloRequest(Rest2, 0, 0, F, F@_1, TrUserData).

skip_group_HelloRequest(Bin, _, Z2, FNum, F@_1, TrUserData) ->
    {_, Rest} = read_group(Bin, FNum),
    dfp_read_field_def_HelloRequest(Rest, 0, Z2, FNum, F@_1, TrUserData).

skip_32_HelloRequest(<<_:32, Rest/binary>>, Z1, Z2, F, F@_1, TrUserData) -> dfp_read_field_def_HelloRequest(Rest, Z1, Z2, F, F@_1, TrUserData).

skip_64_HelloRequest(<<_:64, Rest/binary>>, Z1, Z2, F, F@_1, TrUserData) -> dfp_read_field_def_HelloRequest(Rest, Z1, Z2, F, F@_1, TrUserData).

decode_msg_HelloReply(Bin, TrUserData) -> dfp_read_field_def_HelloReply(Bin, 0, 0, 0, id(<<>>, TrUserData), TrUserData).

dfp_read_field_def_HelloReply(<<10, Rest/binary>>, Z1, Z2, F, F@_1, TrUserData) -> d_field_HelloReply_message(Rest, Z1, Z2, F, F@_1, TrUserData);
dfp_read_field_def_HelloReply(<<>>, 0, 0, _, F@_1, _) -> #{message => F@_1};
dfp_read_field_def_HelloReply(Other, Z1, Z2, F, F@_1, TrUserData) -> dg_read_field_def_HelloReply(Other, Z1, Z2, F, F@_1, TrUserData).

dg_read_field_def_HelloReply(<<1:1, X:7, Rest/binary>>, N, Acc, F, F@_1, TrUserData) when N < 32 - 7 -> dg_read_field_def_HelloReply(Rest, N + 7, X bsl N + Acc, F, F@_1, TrUserData);
dg_read_field_def_HelloReply(<<0:1, X:7, Rest/binary>>, N, Acc, _, F@_1, TrUserData) ->
    Key = X bsl N + Acc,
    case Key of
        10 -> d_field_HelloReply_message(Rest, 0, 0, 0, F@_1, TrUserData);
        _ ->
            case Key band 7 of
                0 -> skip_varint_HelloReply(Rest, 0, 0, Key bsr 3, F@_1, TrUserData);
                1 -> skip_64_HelloReply(Rest, 0, 0, Key bsr 3, F@_1, TrUserData);
                2 -> skip_length_delimited_HelloReply(Rest, 0, 0, Key bsr 3, F@_1, TrUserData);
                3 -> skip_group_HelloReply(Rest, 0, 0, Key bsr 3, F@_1, TrUserData);
                5 -> skip_32_HelloReply(Rest, 0, 0, Key bsr 3, F@_1, TrUserData)
            end
    end;
dg_read_field_def_HelloReply(<<>>, 0, 0, _, F@_1, _) -> #{message => F@_1}.

d_field_HelloReply_message(<<1:1, X:7, Rest/binary>>, N, Acc, F, F@_1, TrUserData) when N < 57 -> d_field_HelloReply_message(Rest, N + 7, X bsl N + Acc, F, F@_1, TrUserData);
d_field_HelloReply_message(<<0:1, X:7, Rest/binary>>, N, Acc, F, _, TrUserData) ->
    {NewFValue, RestF} = begin Len = X bsl N + Acc, <<Bytes:Len/binary, Rest2/binary>> = Rest, Bytes2 = binary:copy(Bytes), {id(Bytes2, TrUserData), Rest2} end,
    dfp_read_field_def_HelloReply(RestF, 0, 0, F, NewFValue, TrUserData).

skip_varint_HelloReply(<<1:1, _:7, Rest/binary>>, Z1, Z2, F, F@_1, TrUserData) -> skip_varint_HelloReply(Rest, Z1, Z2, F, F@_1, TrUserData);
skip_varint_HelloReply(<<0:1, _:7, Rest/binary>>, Z1, Z2, F, F@_1, TrUserData) -> dfp_read_field_def_HelloReply(Rest, Z1, Z2, F, F@_1, TrUserData).

skip_length_delimited_HelloReply(<<1:1, X:7, Rest/binary>>, N, Acc, F, F@_1, TrUserData) when N < 57 -> skip_length_delimited_HelloReply(Rest, N + 7, X bsl N + Acc, F, F@_1, TrUserData);
skip_length_delimited_HelloReply(<<0:1, X:7, Rest/binary>>, N, Acc, F, F@_1, TrUserData) ->
    Length = X bsl N + Acc,
    <<_:Length/binary, Rest2/binary>> = Rest,
    dfp_read_field_def_HelloReply(Rest2, 0, 0, F, F@_1, TrUserData).

skip_group_HelloReply(Bin, _, Z2, FNum, F@_1, TrUserData) ->
    {_, Rest} = read_group(Bin, FNum),
    dfp_read_field_def_HelloReply(Rest, 0, Z2, FNum, F@_1, TrUserData).

skip_32_HelloReply(<<_:32, Rest/binary>>, Z1, Z2, F, F@_1, TrUserData) -> dfp_read_field_def_HelloReply(Rest, Z1, Z2, F, F@_1, TrUserData).

skip_64_HelloReply(<<_:64, Rest/binary>>, Z1, Z2, F, F@_1, TrUserData) -> dfp_read_field_def_HelloReply(Rest, Z1, Z2, F, F@_1, TrUserData).

read_group(Bin, FieldNum) ->
    {NumBytes, EndTagLen} = read_gr_b(Bin, 0, 0, 0, 0, FieldNum),
    <<Group:NumBytes/binary, _:EndTagLen/binary, Rest/binary>> = Bin,
    {Group, Rest}.

%% Like skipping over fields, but record the total length,
%% Each field is <(FieldNum bsl 3) bor FieldType> ++ <FieldValue>
%% Record the length because varints may be non-optimally encoded.
%%
%% Groups can be nested, but assume the same FieldNum cannot be nested
%% because group field numbers are shared with the rest of the fields
%% numbers. Thus we can search just for an group-end with the same
%% field number.
%%
%% (The only time the same group field number could occur would
%% be in a nested sub message, but then it would be inside a
%% length-delimited entry, which we skip-read by length.)
read_gr_b(<<1:1, X:7, Tl/binary>>, N, Acc, NumBytes, TagLen, FieldNum)
  when N < (32-7) ->
    read_gr_b(Tl, N+7, X bsl N + Acc, NumBytes, TagLen+1, FieldNum);
read_gr_b(<<0:1, X:7, Tl/binary>>, N, Acc, NumBytes, TagLen,
          FieldNum) ->
    Key = X bsl N + Acc,
    TagLen1 = TagLen + 1,
    case {Key bsr 3, Key band 7} of
        {FieldNum, 4} -> % 4 = group_end
            {NumBytes, TagLen1};
        {_, 0} -> % 0 = varint
            read_gr_vi(Tl, 0, NumBytes + TagLen1, FieldNum);
        {_, 1} -> % 1 = bits64
            <<_:64, Tl2/binary>> = Tl,
            read_gr_b(Tl2, 0, 0, NumBytes + TagLen1 + 8, 0, FieldNum);
        {_, 2} -> % 2 = length_delimited
            read_gr_ld(Tl, 0, 0, NumBytes + TagLen1, FieldNum);
        {_, 3} -> % 3 = group_start
            read_gr_b(Tl, 0, 0, NumBytes + TagLen1, 0, FieldNum);
        {_, 4} -> % 4 = group_end
            read_gr_b(Tl, 0, 0, NumBytes + TagLen1, 0, FieldNum);
        {_, 5} -> % 5 = bits32
            <<_:32, Tl2/binary>> = Tl,
            read_gr_b(Tl2, 0, 0, NumBytes + TagLen1 + 4, 0, FieldNum)
    end.

read_gr_vi(<<1:1, _:7, Tl/binary>>, N, NumBytes, FieldNum)
  when N < (64-7) ->
    read_gr_vi(Tl, N+7, NumBytes+1, FieldNum);
read_gr_vi(<<0:1, _:7, Tl/binary>>, _, NumBytes, FieldNum) ->
    read_gr_b(Tl, 0, 0, NumBytes+1, 0, FieldNum).

read_gr_ld(<<1:1, X:7, Tl/binary>>, N, Acc, NumBytes, FieldNum)
  when N < (64-7) ->
    read_gr_ld(Tl, N+7, X bsl N + Acc, NumBytes+1, FieldNum);
read_gr_ld(<<0:1, X:7, Tl/binary>>, N, Acc, NumBytes, FieldNum) ->
    Len = X bsl N + Acc,
    NumBytes1 = NumBytes + 1,
    <<_:Len/binary, Tl2/binary>> = Tl,
    read_gr_b(Tl2, 0, 0, NumBytes1 + Len, 0, FieldNum).

merge_msgs(Prev, New, MsgName) when is_atom(MsgName) -> merge_msgs(Prev, New, MsgName, []).

merge_msgs(Prev, New, MsgName, Opts) ->
    TrUserData = proplists:get_value(user_data, Opts),
    case MsgName of
        'HelloRequest' -> merge_msg_HelloRequest(Prev, New, TrUserData);
        'HelloReply' -> merge_msg_HelloReply(Prev, New, TrUserData)
    end.

-compile({nowarn_unused_function,merge_msg_HelloRequest/3}).
merge_msg_HelloRequest(PMsg, NMsg, _) ->
    S1 = #{},
    case {PMsg, NMsg} of
        {_, #{name := NFname}} -> S1#{name => NFname};
        {#{name := PFname}, _} -> S1#{name => PFname};
        _ -> S1
    end.

-compile({nowarn_unused_function,merge_msg_HelloReply/3}).
merge_msg_HelloReply(PMsg, NMsg, _) ->
    S1 = #{},
    case {PMsg, NMsg} of
        {_, #{message := NFmessage}} -> S1#{message => NFmessage};
        {#{message := PFmessage}, _} -> S1#{message => PFmessage};
        _ -> S1
    end.


verify_msg(Msg, MsgName) when is_atom(MsgName) -> verify_msg(Msg, MsgName, []).

verify_msg(Msg, MsgName, Opts) ->
    TrUserData = proplists:get_value(user_data, Opts),
    case MsgName of
        'HelloRequest' -> v_msg_HelloRequest(Msg, [MsgName], TrUserData);
        'HelloReply' -> v_msg_HelloReply(Msg, [MsgName], TrUserData);
        _ -> mk_type_error(not_a_known_message, Msg, [])
    end.


-compile({nowarn_unused_function,v_msg_HelloRequest/3}).
-dialyzer({nowarn_function,v_msg_HelloRequest/3}).
v_msg_HelloRequest(#{} = M, Path, TrUserData) ->
    case M of
        #{name := F1} -> v_type_string(F1, [name | Path], TrUserData);
        _ -> ok
    end,
    lists:foreach(fun (name) -> ok;
                      (OtherKey) -> mk_type_error({extraneous_key, OtherKey}, M, Path)
                  end,
                  maps:keys(M)),
    ok;
v_msg_HelloRequest(M, Path, _TrUserData) when is_map(M) -> mk_type_error({missing_fields, [] -- maps:keys(M), 'HelloRequest'}, M, Path);
v_msg_HelloRequest(X, Path, _TrUserData) -> mk_type_error({expected_msg, 'HelloRequest'}, X, Path).

-compile({nowarn_unused_function,v_msg_HelloReply/3}).
-dialyzer({nowarn_function,v_msg_HelloReply/3}).
v_msg_HelloReply(#{} = M, Path, TrUserData) ->
    case M of
        #{message := F1} -> v_type_string(F1, [message | Path], TrUserData);
        _ -> ok
    end,
    lists:foreach(fun (message) -> ok;
                      (OtherKey) -> mk_type_error({extraneous_key, OtherKey}, M, Path)
                  end,
                  maps:keys(M)),
    ok;
v_msg_HelloReply(M, Path, _TrUserData) when is_map(M) -> mk_type_error({missing_fields, [] -- maps:keys(M), 'HelloReply'}, M, Path);
v_msg_HelloReply(X, Path, _TrUserData) -> mk_type_error({expected_msg, 'HelloReply'}, X, Path).

-compile({nowarn_unused_function,v_type_string/3}).
-dialyzer({nowarn_function,v_type_string/3}).
v_type_string(S, Path, _TrUserData) when is_list(S); is_binary(S) ->
    try unicode:characters_to_binary(S) of
        B when is_binary(B) -> ok;
        {error, _, _} -> mk_type_error(bad_unicode_string, S, Path)
    catch
        error:badarg -> mk_type_error(bad_unicode_string, S, Path)
    end;
v_type_string(X, Path, _TrUserData) -> mk_type_error(bad_unicode_string, X, Path).

-compile({nowarn_unused_function,mk_type_error/3}).
-spec mk_type_error(_, _, list()) -> no_return().
mk_type_error(Error, ValueSeen, Path) ->
    Path2 = prettify_path(Path),
    erlang:error({gpb_type_error, {Error, [{value, ValueSeen}, {path, Path2}]}}).


-compile({nowarn_unused_function,prettify_path/1}).
-dialyzer({nowarn_function,prettify_path/1}).
prettify_path([]) -> top_level;
prettify_path(PathR) -> lists:append(lists:join(".", lists:map(fun atom_to_list/1, lists:reverse(PathR)))).


-compile({nowarn_unused_function,id/2}).
-compile({inline,id/2}).
id(X, _TrUserData) -> X.

-compile({nowarn_unused_function,v_ok/3}).
-compile({inline,v_ok/3}).
v_ok(_Value, _Path, _TrUserData) -> ok.

-compile({nowarn_unused_function,m_overwrite/3}).
-compile({inline,m_overwrite/3}).
m_overwrite(_Prev, New, _TrUserData) -> New.

-compile({nowarn_unused_function,cons/3}).
-compile({inline,cons/3}).
cons(Elem, Acc, _TrUserData) -> [Elem | Acc].

-compile({nowarn_unused_function,lists_reverse/2}).
-compile({inline,lists_reverse/2}).
'lists_reverse'(L, _TrUserData) -> lists:reverse(L).
-compile({nowarn_unused_function,'erlang_++'/3}).
-compile({inline,'erlang_++'/3}).
'erlang_++'(A, B, _TrUserData) -> A ++ B.


get_msg_defs() ->
    [{{msg, 'HelloRequest'}, [#{name => name, fnum => 1, rnum => 2, type => string, occurrence => optional, opts => []}]}, {{msg, 'HelloReply'}, [#{name => message, fnum => 1, rnum => 2, type => string, occurrence => optional, opts => []}]}].


get_msg_names() -> ['HelloRequest', 'HelloReply'].


get_group_names() -> [].


get_msg_or_group_names() -> ['HelloRequest', 'HelloReply'].


get_enum_names() -> [].


fetch_msg_def(MsgName) ->
    case find_msg_def(MsgName) of
        Fs when is_list(Fs) -> Fs;
        error -> erlang:error({no_such_msg, MsgName})
    end.


-spec fetch_enum_def(_) -> no_return().
fetch_enum_def(EnumName) -> erlang:error({no_such_enum, EnumName}).


find_msg_def('HelloRequest') -> [#{name => name, fnum => 1, rnum => 2, type => string, occurrence => optional, opts => []}];
find_msg_def('HelloReply') -> [#{name => message, fnum => 1, rnum => 2, type => string, occurrence => optional, opts => []}];
find_msg_def(_) -> error.


find_enum_def(_) -> error.


-spec enum_symbol_by_value(_, _) -> no_return().
enum_symbol_by_value(E, V) -> erlang:error({no_enum_defs, E, V}).


-spec enum_value_by_symbol(_, _) -> no_return().
enum_value_by_symbol(E, V) -> erlang:error({no_enum_defs, E, V}).



get_service_names() -> ['Greeter'].


get_service_def('Greeter') ->
    {{service, 'Greeter'},
     [#{name => 'SayHello', input => 'HelloRequest', output => 'HelloReply', input_stream => false, output_stream => false, opts => []},
      #{name => 'SayHelloStream', input => 'HelloRequest', output => 'HelloReply', input_stream => false, output_stream => true, opts => []},
      #{name => 'SayHelloCollect', input => 'HelloRequest', output => 'HelloReply', input_stream => true, output_stream => false, opts => []},
      #{name => 'SayHelloChat', input => 'HelloRequest', output => 'HelloReply', input_stream => true, output_stream => true, opts => []}]};
get_service_def(_) -> error.


get_rpc_names('Greeter') -> ['SayHello', 'SayHelloStream', 'SayHelloCollect', 'SayHelloChat'];
get_rpc_names(_) -> error.


find_rpc_def('Greeter', RpcName) -> find_rpc_def_Greeter(RpcName);
find_rpc_def(_, _) -> error.


find_rpc_def_Greeter('SayHello') -> #{name => 'SayHello', input => 'HelloRequest', output => 'HelloReply', input_stream => false, output_stream => false, opts => []};
find_rpc_def_Greeter('SayHelloStream') -> #{name => 'SayHelloStream', input => 'HelloRequest', output => 'HelloReply', input_stream => false, output_stream => true, opts => []};
find_rpc_def_Greeter('SayHelloCollect') -> #{name => 'SayHelloCollect', input => 'HelloRequest', output => 'HelloReply', input_stream => true, output_stream => false, opts => []};
find_rpc_def_Greeter('SayHelloChat') -> #{name => 'SayHelloChat', input => 'HelloRequest', output => 'HelloReply', input_stream => true, output_stream => true, opts => []};
find_rpc_def_Greeter(_) -> error.


fetch_rpc_def(ServiceName, RpcName) ->
    case find_rpc_def(ServiceName, RpcName) of
        Def when is_map(Def) -> Def;
        error -> erlang:error({no_such_rpc, ServiceName, RpcName})
    end.


%% Convert a a fully qualified (ie with package name) service name
%% as a binary to a service name as an atom.
fqbin_to_service_name(<<"helloworld.Greeter">>) -> 'Greeter';
fqbin_to_service_name(X) -> error({gpb_error, {badservice, X}}).


%% Convert a service name as an atom to a fully qualified
%% (ie with package name) name as a binary.
service_name_to_fqbin('Greeter') -> <<"helloworld.Greeter">>;
service_name_to_fqbin(X) -> error({gpb_error, {badservice, X}}).


%% Convert a a fully qualified (ie with package name) service name
%% and an rpc name, both as binaries to a service name and an rpc
%% name, as atoms.
fqbins_to_service_and_rpc_name(<<"helloworld.Greeter">>, <<"SayHello">>) -> {'Greeter', 'SayHello'};
fqbins_to_service_and_rpc_name(<<"helloworld.Greeter">>, <<"SayHelloStream">>) -> {'Greeter', 'SayHelloStream'};
fqbins_to_service_and_rpc_name(<<"helloworld.Greeter">>, <<"SayHelloCollect">>) -> {'Greeter', 'SayHelloCollect'};
fqbins_to_service_and_rpc_name(<<"helloworld.Greeter">>, <<"SayHelloChat">>) -> {'Greeter', 'SayHelloChat'};
fqbins_to_service_and_rpc_name(S, R) -> error({gpb_error, {badservice_or_rpc, {S, R}}}).


%% Convert a service name and an rpc name, both as atoms,
%% to a fully qualified (ie with package name) service name and
%% an rpc name as binaries.
service_and_rpc_name_to_fqbins('Greeter', 'SayHello') -> {<<"helloworld.Greeter">>, <<"SayHello">>};
service_and_rpc_name_to_fqbins('Greeter', 'SayHelloStream') -> {<<"helloworld.Greeter">>, <<"SayHelloStream">>};
service_and_rpc_name_to_fqbins('Greeter', 'SayHelloCollect') -> {<<"helloworld.Greeter">>, <<"SayHelloCollect">>};
service_and_rpc_name_to_fqbins('Greeter', 'SayHelloChat') -> {<<"helloworld.Greeter">>, <<"SayHelloChat">>};
service_and_rpc_name_to_fqbins(S, R) -> error({gpb_error, {badservice_or_rpc, {S, R}}}).


fqbin_to_msg_name(<<"helloworld.HelloRequest">>) -> 'HelloRequest';
fqbin_to_msg_name(<<"helloworld.HelloReply">>) -> 'HelloReply';
fqbin_to_msg_name(E) -> error({gpb_error, {badmsg, E}}).


msg_name_to_fqbin('HelloRequest') -> <<"helloworld.HelloRequest">>;
msg_name_to_fqbin('HelloReply') -> <<"helloworld.HelloReply">>;
msg_name_to_fqbin(E) -> error({gpb_error, {badmsg, E}}).


-spec fqbin_to_enum_name(_) -> no_return().
fqbin_to_enum_name(E) -> error({gpb_error, {badenum, E}}).


-spec enum_name_to_fqbin(_) -> no_return().
enum_name_to_fqbin(E) -> error({gpb_error, {badenum, E}}).


get_package_name() -> helloworld.


%% Whether or not the message names
%% are prepended with package name or not.
uses_packages() -> false.


source_basename() -> "helloworld.proto".


%% Retrieve all proto file names, also imported ones.
%% The order is top-down. The first element is always the main
%% source file. The files are returned with extension,
%% see get_all_proto_names/0 for a version that returns
%% the basenames sans extension
get_all_source_basenames() -> ["helloworld.proto"].


%% Retrieve all proto file names, also imported ones.
%% The order is top-down. The first element is always the main
%% source file. The files are returned sans .proto extension,
%% to make it easier to use them with the various get_xyz_containment
%% functions.
get_all_proto_names() -> ["helloworld"].


get_msg_containment("helloworld") -> ['HelloReply', 'HelloRequest'];
get_msg_containment(P) -> error({gpb_error, {badproto, P}}).


get_pkg_containment("helloworld") -> undefined;
get_pkg_containment(P) -> error({gpb_error, {badproto, P}}).


get_service_containment("helloworld") -> ['Greeter'];
get_service_containment(P) -> error({gpb_error, {badproto, P}}).


get_rpc_containment("helloworld") -> [{'Greeter', 'SayHello'}, {'Greeter', 'SayHelloStream'}, {'Greeter', 'SayHelloCollect'}, {'Greeter', 'SayHelloChat'}];
get_rpc_containment(P) -> error({gpb_error, {badproto, P}}).


get_enum_containment("helloworld") -> [];
get_enum_containment(P) -> error({gpb_error, {badproto, P}}).


get_proto_by_msg_name_as_fqbin(<<"helloworld.HelloRequest">>) -> "helloworld";
get_proto_by_msg_name_as_fqbin(<<"helloworld.HelloReply">>) -> "helloworld";
get_proto_by_msg_name_as_fqbin(E) -> error({gpb_error, {badmsg, E}}).


get_proto_by_service_name_as_fqbin(<<"helloworld.Greeter">>) -> "helloworld";
get_proto_by_service_name_as_fqbin(E) -> error({gpb_error, {badservice, E}}).


-spec get_proto_by_enum_name_as_fqbin(_) -> no_return().
get_proto_by_enum_name_as_fqbin(E) -> error({gpb_error, {badenum, E}}).


-spec get_protos_by_pkg_name_as_fqbin(_) -> no_return().
get_protos_by_pkg_name_as_fqbin(E) -> error({gpb_error, {badpkg, E}}).


descriptor() ->
    <<10, 147, 3, 10, 27, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 47, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 46, 112, 114, 111, 116, 111, 18, 10, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 34, 29, 10, 10, 72, 101, 108, 108,
      111, 82, 101, 112, 108, 121, 18, 15, 10, 7, 109, 101, 115, 115, 97, 103, 101, 24, 1, 32, 1, 40, 9, 34, 28, 10, 12, 72, 101, 108, 108, 111, 82, 101, 113, 117, 101, 115, 116, 18, 12, 10, 4, 110, 97, 109, 101, 24, 1, 32, 1, 40, 9, 50, 162, 2, 10, 7, 71,
      114, 101, 101, 116, 101, 114, 18, 64, 10, 8, 83, 97, 121, 72, 101, 108, 108, 111, 18, 24, 46, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 46, 72, 101, 108, 108, 111, 82, 101, 113, 117, 101, 115, 116, 26, 22, 46, 104, 101, 108, 108, 111, 119,
      111, 114, 108, 100, 46, 72, 101, 108, 108, 111, 82, 101, 112, 108, 121, 40, 0, 48, 0, 18, 70, 10, 14, 83, 97, 121, 72, 101, 108, 108, 111, 83, 116, 114, 101, 97, 109, 18, 24, 46, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 46, 72, 101, 108,
      108, 111, 82, 101, 113, 117, 101, 115, 116, 26, 22, 46, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 46, 72, 101, 108, 108, 111, 82, 101, 112, 108, 121, 40, 0, 48, 1, 18, 71, 10, 15, 83, 97, 121, 72, 101, 108, 108, 111, 67, 111, 108, 108, 101,
      99, 116, 18, 24, 46, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 46, 72, 101, 108, 108, 111, 82, 101, 113, 117, 101, 115, 116, 26, 22, 46, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 46, 72, 101, 108, 108, 111, 82, 101, 112, 108, 121, 40,
      1, 48, 0, 18, 68, 10, 12, 83, 97, 121, 72, 101, 108, 108, 111, 67, 104, 97, 116, 18, 24, 46, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 46, 72, 101, 108, 108, 111, 82, 101, 113, 117, 101, 115, 116, 26, 22, 46, 104, 101, 108, 108, 111, 119,
      111, 114, 108, 100, 46, 72, 101, 108, 108, 111, 82, 101, 112, 108, 121, 40, 1, 48, 1, 98, 6, 112, 114, 111, 116, 111, 51>>.

descriptor("helloworld") ->
    <<10, 27, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 47, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 46, 112, 114, 111, 116, 111, 18, 10, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 34, 29, 10, 10, 72, 101, 108, 108, 111, 82, 101,
      112, 108, 121, 18, 15, 10, 7, 109, 101, 115, 115, 97, 103, 101, 24, 1, 32, 1, 40, 9, 34, 28, 10, 12, 72, 101, 108, 108, 111, 82, 101, 113, 117, 101, 115, 116, 18, 12, 10, 4, 110, 97, 109, 101, 24, 1, 32, 1, 40, 9, 50, 162, 2, 10, 7, 71, 114, 101,
      101, 116, 101, 114, 18, 64, 10, 8, 83, 97, 121, 72, 101, 108, 108, 111, 18, 24, 46, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 46, 72, 101, 108, 108, 111, 82, 101, 113, 117, 101, 115, 116, 26, 22, 46, 104, 101, 108, 108, 111, 119, 111, 114,
      108, 100, 46, 72, 101, 108, 108, 111, 82, 101, 112, 108, 121, 40, 0, 48, 0, 18, 70, 10, 14, 83, 97, 121, 72, 101, 108, 108, 111, 83, 116, 114, 101, 97, 109, 18, 24, 46, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 46, 72, 101, 108, 108, 111, 82,
      101, 113, 117, 101, 115, 116, 26, 22, 46, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 46, 72, 101, 108, 108, 111, 82, 101, 112, 108, 121, 40, 0, 48, 1, 18, 71, 10, 15, 83, 97, 121, 72, 101, 108, 108, 111, 67, 111, 108, 108, 101, 99, 116, 18,
      24, 46, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 46, 72, 101, 108, 108, 111, 82, 101, 113, 117, 101, 115, 116, 26, 22, 46, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 46, 72, 101, 108, 108, 111, 82, 101, 112, 108, 121, 40, 1, 48, 0,
      18, 68, 10, 12, 83, 97, 121, 72, 101, 108, 108, 111, 67, 104, 97, 116, 18, 24, 46, 104, 101, 108, 108, 111, 119, 111, 114, 108, 100, 46, 72, 101, 108, 108, 111, 82, 101, 113, 117, 101, 115, 116, 26, 22, 46, 104, 101, 108, 108, 111, 119, 111, 114,
      108, 100, 46, 72, 101, 108, 108, 111, 82, 101, 112, 108, 121, 40, 1, 48, 1, 98, 6, 112, 114, 111, 116, 111, 51>>;
descriptor(X) -> error({gpb_error, {badname, X}}).


gpb_version_as_string() ->
    "5.0.0".

gpb_version_as_list() ->
    [5,0,0].

gpb_version_source() ->
    "file".