mirror of
https://github.com/correl/rebar.git
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74 lines
2.9 KiB
Erlang
74 lines
2.9 KiB
Erlang
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%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
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%% ex: ts=4 sw=4 et
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%% -------------------------------------------------------------------
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%%
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%% rebar: Erlang Build Tools
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%%
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%% Copyright (c) 2015 Tomas Abrahamsson (tomas.abrahamsson@gmail.com)
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%%
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%% Permission is hereby granted, free of charge, to any person obtaining a copy
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%% of this software and associated documentation files (the "Software"), to deal
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%% in the Software without restriction, including without limitation the rights
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%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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%% copies of the Software, and to permit persons to whom the Software is
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%% furnished to do so, subject to the following conditions:
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%%
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%% The above copyright notice and this permission notice shall be included in
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%% all copies or substantial portions of the Software.
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%%
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%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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%% THE SOFTWARE.
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%% -------------------------------------------------------------------
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-module(gpb_compile).
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-export([file/2]).
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%% Simulate gpb compiling some proto files,
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%% but generate only enough of what's needed for testing -- dummy stuff only.
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file(Proto, Opts) ->
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Prefix = proplists:get_value(module_name_prefix, Opts, ""),
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Suffix = proplists:get_value(module_name_suffix, Opts, ""),
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ProtoBase = filename:basename(Proto, ".proto"),
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ModBase = Prefix ++ ProtoBase ++ Suffix,
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ErlDest = filename:join(get_erl_outdir(Opts), ModBase ++ ".erl"),
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HrlDest = filename:join(get_hrl_outdir(Opts), ModBase ++ ".hrl"),
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ok = file:write_file(ErlDest, erl_text(ModBase)),
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ok = file:write_file(HrlDest, hrl_text(ModBase)).
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erl_text(ModBase) ->
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io_lib:format(
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lines(["-module(~p).",
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"-export([encode_msg/1]).",
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"-export([decode_msg/2]).",
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"",
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"encode_msg(some_dummy_msg) -> <<1,2,3>>.",
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"",
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"decode_msg(<<1,2,3>>, _) -> some_dummy_msg."]),
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[list_to_atom(ModBase)]).
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hrl_text(ModBase) ->
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io_lib:format(
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lines(["-ifndef(~s_hrl).",
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"-define(~s_hrl, true).",
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"",
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"%% some record definitions would normally go here...",
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""
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"-endif. %% ~s_hrl"]),
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[ModBase, ModBase, ModBase]).
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get_erl_outdir(Opts) ->
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proplists:get_value(o_erl, Opts, get_outdir(Opts)).
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get_hrl_outdir(Opts) ->
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proplists:get_value(o_hrl, Opts, get_outdir(Opts)).
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get_outdir(Opts) ->
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proplists:get_value(o, Opts, ".").
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lines(Lines) ->
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lists:flatten([[L, $\n] || L <- Lines]).
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