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488 行
18 KiB
488 行
18 KiB
-module(protoGen).
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-export([
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convertFile/1
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, convert/1
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, convertDir/0
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, convertDir/1
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, convertDir/3
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]).
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protoHrlHeader() ->
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"-opaque int8() :: -128..127.
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-opaque int16() :: -32768..32767.
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-opaque int32() :: -2147483648..2147483647.
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-opaque int64() :: -9223372036854775808..9223372036854775807.
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-opaque uint8() :: 0..255.
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-opaque uint16() :: 0..65536.
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-opaque uint32() :: 0..4294967295.
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-opaque uint64() :: 0..18446744073709551615.
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-opaque double() :: float().\n\n".
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protoErlHeader() ->
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"-module(protoMsg).\n\n
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-export([encode/1, decode/1, encodeRec/1, decodeRec/2]).
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-define(min8, -128).
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-define(max8, 127).
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-define(min16, -32768).
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-define(max16, 32767).
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-define(min32, -2147483648).
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-define(max32, 2147483647).
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-define(min64, -9223372036854775808).
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-define(max64, 9223372036854775807).
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-define(minF32, -3.4E+38).
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-define(maxF32, 3.4E+38).
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-define(minF64, -1.797E-308).
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-define(maxF64, 1.797E+308).
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-define(int8(V), <<V:8>>).
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-define(uint8(V), <<V:8>>).
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-define(int16(V), <<V:16/little>>).
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-define(uint16(V), <<V:16/little>>).
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-define(int32(V), <<V:32/little>>).
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-define(uint32(V), <<V:32/little>>).
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-define(int64(V), <<V:64/little>>).
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-define(uint64(V), <<V:64/little>>).
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-define(integer(V), (integer(V))).
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-define(number(V), (number(V))).
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-define(string(V), (string(V))).
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-define(float(V), <<V:32/little-float>>).
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-define(double(V), <<V:64/little-float>>).
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-define(bool(V), (case V of true -> <<1:8>>; _ -> <<0:8>> end)).
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-define(record(V), (case V of undefined -> [<<0:8>>]; V -> [<<1:8>>, encodeRec(V)] end)).
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-define(list_bool(List), [<<(length(List)):16/little>>, [?bool(V) || V <- List]]).
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-define(list_int8(List), [<<(length(List)):16/little>>, [?int8(V) || V <- List]]).
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-define(list_uint8(List), [<<(length(List)):16/little>>, [?uint8(V) || V <- List]]).
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-define(list_int16(List), [<<(length(List)):16/little>>, [?int16(V) || V <- List]]).
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-define(list_uint16(List), [<<(length(List)):16/little>>, [?uint16(V) || V <- List]]).
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-define(list_int32(List), [<<(length(List)):16/little>>, [?int32(V) || V <- List]]).
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-define(list_uint32(List), [<<(length(List)):16/little>>, [?uint32(V) || V <- List]]).
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-define(list_int64(List), [<<(length(List)):16/little>>, [?int64(V) || V <- List]]).
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-define(list_uint64(List), [<<(length(List)):16/little>>, [?uint64(V) || V <- List]]).
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-define(list_float(List), [<<(length(List)):16/little>>, [?float(V) || V <- List]]).
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-define(list_double(List), [<<(length(List)):16/little>>, [?double(V) || V <- List]]).
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-define(list_integer(List), [<<(length(List)):16/little>>, [integer(V) || V <- List]]).
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-define(list_number(List), [<<(length(List)):16/little>>, [number(V) || V <- List]]).
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-define(list_string(List), [<<(length(List)):16/little>>, [string(V) || V <- List]]).
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-define(list_record(List), [<<(length(List)):16/little>>, [encodeRec(V) || V <- List]]).
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integer(V) ->
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if
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V >= ?min8 andalso V =< ?max8 ->
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<<8:8, <<V:8>>/binary>>;
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V >= ?min16 andalso V =< ?max16 ->
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<<16:8, <<V:16/little>>/binary>>;
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V >= ?min32 andalso V =< ?max32 ->
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<<32:8, <<V:32/little>>/binary>>;
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V >= ?min64 andalso V =< ?max64 ->
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<<64:8, <<V:64/little>>/binary>>;
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true ->
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throw(exceeded_the_integer)
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end.
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numInteger(V) ->
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if
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V >= ?min8 andalso V =< ?max8 ->
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<<8:8, <<V:8>>/binary>>;
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V >= ?min16 andalso V =< ?max16 ->
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<<16:8, <<V:16/little>>/binary>>;
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V >= ?min32 andalso V =< ?max32 ->
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<<32:8, <<V:32/little>>/binary>>;
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V >= ?min64 andalso V =< ?max64 ->
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<<64:8, <<V:64/little>>/binary>>;
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true ->
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throw(exceeded_the_integer)
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end.
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numFloat(V) ->
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if
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V >= ?minF32 andalso V =< ?maxF32 ->
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<<33:8, <<V:32/little-float>>/binary>>;
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V >= ?minF64 andalso V =< ?maxF64 ->
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<<65:8, <<V:64/little-float>>/binary>>;
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true ->
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throw(exceeded_the_float)
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end.
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number(V) ->
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if
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erlang:is_integer(V) == true ->
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numInteger(V);
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erlang:is_float(V) == true ->
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numFloat(V);
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true ->
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throw(is_not_number)
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end.
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string(Str) when is_binary(Str) ->
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[<<(byte_size(Str)):16/little>>, Str];
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string(Str) ->
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Str2 = unicode:characters_to_binary(Str, utf8),
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[<<(byte_size(Str2)):16/little>>, Str2].
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encode(Record) ->
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MsgBin = encodeRec(Record),
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MsgId = getMsgId(element(1, Record)),
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[<<MsgId:16/little>>, MsgBin].
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decode(Bin) ->
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<<MsgId:16/little, MsgBin/binary>> = Bin,
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SchList = getMsgSchema(MsgId),
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{<<>>, ResultList} = decodeField(SchList, MsgBin, [getMsgType(MsgId)]),
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list_to_tuple(ResultList).
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decodeRec(RecordName, Bin) ->
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SchList = getMsgSchema(RecordName),
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{LeftBin, Result} = decodeField(SchList, Bin, [RecordName]),
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{LeftBin, list_to_tuple(Result)}.
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decodeField([], LeftBin, Result) ->
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{LeftBin, lists:reverse(Result)};
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decodeField([Type | SchList], MsgBin, Result) ->
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case Type of
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int32 ->
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<<Int:32/little-signed, LeftBin/binary>> = MsgBin,
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decodeField(SchList, LeftBin, [Int | Result]);
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uint32 ->
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<<Int:32/little-unsigned, LeftBin/binary>> = MsgBin,
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decodeField(SchList, LeftBin, [Int | Result]);
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string ->
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<<Len:16/little, StrBin:Len/binary, LeftBin/binary>> = MsgBin,
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decodeField(SchList, LeftBin, [StrBin | Result]);
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int16 ->
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<<Int:16/little-signed, LeftBin/binary>> = MsgBin,
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decodeField(SchList, LeftBin, [Int | Result]);
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uint16 ->
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<<Int:16/little-unsigned, LeftBin/binary>> = MsgBin,
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decodeField(SchList, LeftBin, [Int | Result]);
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int8 ->
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<<Int:8/little-signed, LeftBin/binary>> = MsgBin,
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decodeField(SchList, LeftBin, [Int | Result]);
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uint8 ->
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<<Int:8/little-unsigned, LeftBin/binary>> = MsgBin,
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decodeField(SchList, LeftBin, [Int | Result]);
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int64 ->
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<<Int:64/little-signed, LeftBin/binary>> = MsgBin,
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decodeField(SchList, LeftBin, [Int | Result]);
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uint64 ->
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<<Int:64/little-unsigned, LeftBin/binary>> = MsgBin,
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decodeField(SchList, LeftBin, [Int | Result]);
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integer ->
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<<IntBits:8, Int:IntBits/little-signed, LeftBin/binary>> = MsgBin,
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decodeField(SchList, LeftBin, [Int | Result]);
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number ->
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<<NumBits:8, NumBin/binary>> = MsgBin,
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case NumBits of
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33 ->
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<<Float:32/little-float, LeftBin/binary>> = NumBin,
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decodeField(SchList, LeftBin, [Float | Result]);
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65 ->
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<<Float:64/little-float, LeftBin/binary>> = NumBin,
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decodeField(SchList, LeftBin, [Float | Result]);
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_ ->
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<<Int:NumBits/little-signed, LeftBin/binary>> = NumBin,
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decodeField(SchList, LeftBin, [Int | Result])
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end;
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bool ->
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<<Bool:8/little-unsigned, LeftBin/binary>> = MsgBin,
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case Bool =:= 1 of
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true ->
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decodeField(SchList, LeftBin, [true | Result]);
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_ ->
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decodeField(SchList, LeftBin, [false | Result])
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end;
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float ->
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<<Float:32/little-float, LeftBin/binary>> = MsgBin,
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decodeField(SchList, LeftBin, [Float | Result]);
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double ->
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<<Float:64/little-float, LeftBin/binary>> = MsgBin,
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decodeField(SchList, LeftBin, [Float | Result]);
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{list, int32} ->
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<<Len:16/little, LeftListBin/binary>> = MsgBin,
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{LeftBin, RetList} = deInt32List(Len, LeftListBin, []),
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decodeField(SchList, LeftBin, [RetList | Result]);
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{list, uint32} ->
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<<Len:16/little, LeftListBin/binary>> = MsgBin,
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{LeftBin, RetList} = deUint32List(Len, LeftListBin, []),
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decodeField(SchList, LeftBin, [RetList | Result]);
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{list, int16} ->
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<<Len:16/little, LeftListBin/binary>> = MsgBin,
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{LeftBin, RetList} = deInt16List(Len, LeftListBin, []),
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decodeField(SchList, LeftBin, [RetList | Result]);
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{list, uint16} ->
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<<Len:16/little, LeftListBin/binary>> = MsgBin,
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{LeftBin, RetList} = deUint16List(Len, LeftListBin, []),
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decodeField(SchList, LeftBin, [RetList | Result]);
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{list, int8} ->
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<<Len:16/little, LeftListBin/binary>> = MsgBin,
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{LeftBin, RetList} = deInt8List(Len, LeftListBin, []),
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decodeField(SchList, LeftBin, [RetList | Result]);
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{list, uint8} ->
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<<Len:16/little, LeftListBin/binary>> = MsgBin,
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{LeftBin, RetList} = deUint8List(Len, LeftListBin, []),
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decodeField(SchList, LeftBin, [RetList | Result]);
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{list, string} ->
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<<Len:16/little, LeftListBin/binary>> = MsgBin,
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{LeftBin, RetList} = deStringList(Len, LeftListBin, []),
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decodeField(SchList, LeftBin, [RetList | Result]);
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{list, int64} ->
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<<Len:16/little, LeftListBin/binary>> = MsgBin,
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{LeftBin, RetList} = deInt64List(Len, LeftListBin, []),
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decodeField(SchList, LeftBin, [RetList | Result]);
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{list, uint64} ->
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<<Len:16/little, LeftListBin/binary>> = MsgBin,
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{LeftBin, RetList} = deUint64List(Len, LeftListBin, []),
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decodeField(SchList, LeftBin, [RetList | Result]);
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{list, integer} ->
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<<Len:16/little, LeftListBin/binary>> = MsgBin,
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{LeftBin, RetList} = deIntegerList(Len, LeftListBin, []),
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decodeField(SchList, LeftBin, [RetList | Result]);
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{list, number} ->
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<<Len:16/little, LeftListBin/binary>> = MsgBin,
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{LeftBin, RetList} = deNumberList(Len, LeftListBin, []),
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decodeField(SchList, LeftBin, [RetList | Result]);
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{list, bool} ->
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<<Len:16/little, LeftListBin/binary>> = MsgBin,
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{LeftBin, RetList} = deBoolList(Len, LeftListBin, []),
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decodeField(SchList, LeftBin, [RetList | Result]);
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{list, float} ->
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<<Len:16/little, LeftListBin/binary>> = MsgBin,
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{LeftBin, RetList} = deFloatList(Len, LeftListBin, []),
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decodeField(SchList, LeftBin, [RetList | Result]);
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{list, double} ->
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<<Len:16/little, LeftListBin/binary>> = MsgBin,
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{LeftBin, RetList} = deDoubleList(Len, LeftListBin, []),
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decodeField(SchList, LeftBin, [RetList | Result]);
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{list, RecordName} ->
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<<Len:16/little, LeftListBin/binary>> = MsgBin,
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{LeftBin, RetList} = deRecordList(Len, RecordName, LeftListBin, []),
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decodeField(SchList, LeftBin, [RetList | Result]);
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RecordName ->
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<<IsUndef:8, LeftBin/binary>> = MsgBin,
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case IsUndef of
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0 ->
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decodeField(SchList, LeftBin, [undefined | Result]);
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_ ->
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SubSchList = getMsgSchema(RecordName),
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{SubLeftBin, SubResultList} = decodeField(SubSchList, LeftBin, [RecordName]),
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decodeField(SchList, SubLeftBin, [list_to_tuple(SubResultList) | Result])
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end
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end.
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deBoolList(0, MsgBin, RetList) ->
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{MsgBin, lists:reverse(RetList)};
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deBoolList(N, MsgBin, RetList) ->
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<<Bool:8, LeftBin/binary>> = MsgBin,
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case Bool =:= 1 of
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true ->
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deBoolList(N - 1, LeftBin, [true | RetList]);
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_ ->
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deBoolList(N - 1, LeftBin, [false | RetList])
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end.
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deInt8List(0, MsgBin, RetList) ->
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{MsgBin, RetList};
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deInt8List(N, MsgBin, RetList) ->
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<<Int:8/little-signed, LeftBin/binary>> = MsgBin,
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deInt8List(N - 1, LeftBin, [Int | RetList]).
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deUint8List(0, MsgBin, RetList) ->
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{MsgBin, lists:reverse(RetList)};
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deUint8List(N, MsgBin, RetList) ->
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<<Int:8/little-unsigned, LeftBin/binary>> = MsgBin,
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deUint8List(N - 1, LeftBin, [Int | RetList]).
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deInt16List(0, MsgBin, RetList) ->
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{MsgBin, lists:reverse(RetList)};
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deInt16List(N, MsgBin, RetList) ->
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<<Int:16/little-signed, LeftBin/binary>> = MsgBin,
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deInt16List(N - 1, LeftBin, [Int | RetList]).
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deUint16List(0, MsgBin, RetList) ->
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{MsgBin, lists:reverse(RetList)};
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deUint16List(N, MsgBin, RetList) ->
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<<Int:16/little-unsigned, LeftBin/binary>> = MsgBin,
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deUint16List(N - 1, LeftBin, [Int | RetList]).
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deInt32List(0, MsgBin, RetList) ->
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{MsgBin, lists:reverse(RetList)};
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deInt32List(N, MsgBin, RetList) ->
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<<Int:32/little-signed, LeftBin/binary>> = MsgBin,
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deInt32List(N - 1, LeftBin, [Int | RetList]).
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deUint32List(0, MsgBin, RetList) ->
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{MsgBin, lists:reverse(RetList)};
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deUint32List(N, MsgBin, RetList) ->
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<<Int:32/little-unsigned, LeftBin/binary>> = MsgBin,
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deUint32List(N - 1, LeftBin, [Int | RetList]).
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deInt64List(0, MsgBin, RetList) ->
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{MsgBin, lists:reverse(RetList)};
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deInt64List(N, MsgBin, RetList) ->
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<<Int:64/little-signed, LeftBin/binary>> = MsgBin,
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deInt64List(N - 1, LeftBin, [Int | RetList]).
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deUint64List(0, MsgBin, RetList) ->
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{MsgBin, lists:reverse(RetList)};
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deUint64List(N, MsgBin, RetList) ->
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<<Int:64/little-unsigned, LeftBin/binary>> = MsgBin,
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deUint64List(N - 1, LeftBin, [Int | RetList]).
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deIntegerList(0, MsgBin, RetList) ->
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{MsgBin, lists:reverse(RetList)};
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deIntegerList(N, MsgBin, RetList) ->
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<<IntBits:8, Int:IntBits/little-signed, LeftBin/binary>> = MsgBin,
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deIntegerList(N - 1, LeftBin, [Int | RetList]).
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deNumberList(0, MsgBin, RetList) ->
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{MsgBin, lists:reverse(RetList)};
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deNumberList(N, MsgBin, RetList) ->
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<<NumBits:8, NumBin/binary>> = MsgBin,
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case NumBits of
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33 ->
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<<Float:32/little-float, LeftBin/binary>> = NumBin,
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deNumberList(N - 1, LeftBin, [Float | RetList]);
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65 ->
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<<Float:64/little-float, LeftBin/binary>> = NumBin,
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deNumberList(N - 1, LeftBin, [Float | RetList]);
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_ ->
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<<Int:NumBits/little-signed, LeftBin/binary>> = NumBin,
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deNumberList(N - 1, LeftBin, [Int | RetList])
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end.
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deFloatList(0, MsgBin, RetList) ->
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{MsgBin, lists:reverse(RetList)};
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deFloatList(N, MsgBin, RetList) ->
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<<Float:32/little-float, LeftBin/binary>> = MsgBin,
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deFloatList(N - 1, LeftBin, [Float | RetList]).
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deDoubleList(0, MsgBin, RetList) ->
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{MsgBin, lists:reverse(RetList)};
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deDoubleList(N, MsgBin, RetList) ->
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<<Float:64/little-float, LeftBin/binary>> = MsgBin,
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deDoubleList(N - 1, LeftBin, [Float | RetList]).
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deStringList(0, MsgBin, RetList) ->
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{MsgBin, lists:reverse(RetList)};
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deStringList(N, MsgBin, RetList) ->
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<<Len:16/little, StrBin:Len/binary-unit:8, LeftBin/binary>> = MsgBin,
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deStringList(N - 1, LeftBin, [StrBin | RetList]).
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deRecordList(0, _RecordName, MsgBin, RetList) ->
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{MsgBin, lists:reverse(RetList)};
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deRecordList(N, RecordName, MsgBin, RetList) ->
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{LeftBin, Tuple} = decodeRec(RecordName, MsgBin),
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deRecordList(N - 1, RecordName, LeftBin, [Tuple | RetList]).\n\n".
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genSchema({FieldType, _FieldName}, AccList) ->
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SchemaStr = protoField:getSchemaInfo(FieldType),
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[SchemaStr | AccList].
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genMsgHrl(FieldInfo, {Index, Len, AccList}) ->
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TemStr =
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case Index of
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1 ->
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"";
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_ ->
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", "
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end,
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RecStr = TemStr ++ protoField:builtRecStr(FieldInfo) ++ (case Index == Len of true -> ""; _ -> "\t" end),
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{Index - 1, Len, [RecStr | AccList]}.
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genEncodeRec({MsgName, _MsgId, FieldList}) ->
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FieldLen = length(FieldList),
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FunHead =
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fun(_, {Index, StrAcc}) ->
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{Index - 1, ", V" ++ integer_to_list(Index) ++ StrAcc}
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end,
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{_, TemStr} = lists:foldr(FunHead, {FieldLen, "}) ->\n\t"}, FieldList),
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HeadStr = "encodeRec({" ++ MsgName ++ TemStr,
|
|
|
|
FunBody =
|
|
fun({FieldType, _FieldName}, {Index, PStrAcc}) ->
|
|
TemV = "V" ++ integer_to_list(Index),
|
|
PackStr = protoField:builtPackStr(FieldType) ++ TemV ++ ")",
|
|
case Index == 1 of
|
|
true ->
|
|
{Index - 1, PackStr ++ PStrAcc};
|
|
_ ->
|
|
{Index - 1, ", " ++ PackStr ++ PStrAcc}
|
|
|
|
end
|
|
end,
|
|
{_, LastStr} = lists:foldr(FunBody, {FieldLen, ""}, FieldList),
|
|
case FieldLen > 0 of
|
|
true ->
|
|
HeadStr ++ "[" ++ LastStr ++ "];\n";
|
|
_ ->
|
|
HeadStr ++ "[];\n"
|
|
end.
|
|
|
|
convertFile(File) ->
|
|
protoParse:parseFile(File).
|
|
|
|
convert([ProtoDir, HrlDir, ErlDir]) ->
|
|
convertDir(atom_to_list(ProtoDir), atom_to_list(HrlDir), atom_to_list(ErlDir)).
|
|
|
|
convertDir() ->
|
|
convertDir("./", "./", "./").
|
|
convertDir(ProtoDir) ->
|
|
convertDir(ProtoDir, "./", "./").
|
|
convertDir(ProtoDir, HrlDir, ErlDir) ->
|
|
FunRead =
|
|
fun(File, Acc) ->
|
|
case filename:extension(File) == ".msg" of
|
|
true ->
|
|
io:format("Convert proto msg file: ~s ~n", [File]),
|
|
BaseName = filename:basename(File, ".msg"),
|
|
[ModIndex | _ModName] = re:split(BaseName, "_"),
|
|
Index = binary_to_integer(ModIndex),
|
|
put(messageid, Index * 1000 + 1),
|
|
SProto = protoParse:parseFile(File),
|
|
[SProto | Acc];
|
|
_ ->
|
|
Acc
|
|
|
|
end
|
|
end,
|
|
%% 下面文件帅选并不能准确的帅选出文件名为.msg结尾的文件 在FunRead函数中纠正处理一下
|
|
SProtoListOfList = filelib:fold_files(ProtoDir, "\\.msg", true, FunRead, []),
|
|
SProtoList = lists:append(SProtoListOfList),
|
|
SortedSProtoList = lists:sort(fun({_Name1, MessageId1, _FieldList1}, {_Name2, MessageId2, _FieldList2}) ->
|
|
MessageId1 > MessageId2 end, SProtoList),
|
|
FunSpell =
|
|
fun({MsgName, MsgId, FieldList} = MsgInfo, {MsgHrlAcc, MsgTypeAcc, MsgIdAcc, MsgEndStr, MsgSchemaAcc}) ->
|
|
TypeStr = "getMsgType(" ++ integer_to_list(MsgId) ++ ")-> " ++ MsgName ++ ";\n",
|
|
IdStr = "getMsgId(" ++ MsgName ++ ")-> " ++ integer_to_list(MsgId) ++ ";\n",
|
|
EncodeStr = genEncodeRec(MsgInfo),
|
|
Len = erlang:length(FieldList),
|
|
SchemaList = lists:foldr(fun genSchema/2, [], FieldList),
|
|
SchemaStr = "getMsgSchema(" ++ MsgName ++ ")->\n\t" ++ "getMsgSchema(" ++ integer_to_list(MsgId) ++ ");\n" ++
|
|
"getMsgSchema(" ++ integer_to_list(MsgId) ++ ")->\n\t" ++ io_lib:format("~p", [SchemaList]) ++ ";\n",
|
|
{_, Len, LastFieldStr} = lists:foldr(fun genMsgHrl/2, {Len, Len, ""}, FieldList),
|
|
HrlStr = "-record(" ++ MsgName ++ " ,{\n\t" ++ LastFieldStr ++ "}).\n",
|
|
{[HrlStr | MsgHrlAcc], [TypeStr | MsgTypeAcc], [IdStr | MsgIdAcc], [EncodeStr | MsgEndStr], [SchemaStr | MsgSchemaAcc]}
|
|
end,
|
|
{MsgHrlStr, MsgTypeStr, MsgIdStr, MsgEndStr, MsgSchemaStr} = lists:foldl(FunSpell, {[], ["getMsgType(_) -> undefined.\n\n"], ["getMsgId(_) -> 0.\n\n"], ["encodeRec(_) ->\n\t[].\n\n"], ["getMsgSchema(_) ->\n\t[].\n\n"]}, SortedSProtoList),
|
|
|
|
ModStr = protoErlHeader(),
|
|
OutputStr = ModStr ++ MsgTypeStr ++ MsgIdStr ++ MsgEndStr ++ MsgSchemaStr,
|
|
HrlFilename = do_write_hrl(HrlDir, protoMsg, protoHrlHeader() ++ MsgHrlStr),
|
|
ErlFilename = do_write_erl(ErlDir, protoMsg, OutputStr),
|
|
|
|
io:format("protoConvert hrl dir : ~s ~n", [HrlDir]),
|
|
io:format("protoConvert erl dir : ~s ~n", [ErlDir]),
|
|
io:format("protoConvert to hrl file ~s succ.~n", [HrlFilename]),
|
|
io:format("protoConvert to erl file ~s succ.~n", [ErlFilename]),
|
|
ok.
|
|
|
|
do_write_hrl(OutDir, Mod, Str) when is_list(OutDir) ->
|
|
Filename = filename:join([OutDir, atom_to_list(Mod) ++ ".hrl"]),
|
|
ok = file:write_file(Filename, Str),
|
|
Filename.
|
|
|
|
do_write_erl(OutDir, Mod, Str) when is_list(OutDir) ->
|
|
Filename = filename:join([OutDir, atom_to_list(Mod) ++ ".erl"]),
|
|
ok = file:write_file(Filename, Str),
|
|
Filename.
|