rebar/src/rebar_dia_compiler.erl
2014-12-03 23:25:46 +01:00

107 lines
4.2 KiB
Erlang

%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
%% ex: ts=4 sw=4 et
%% -------------------------------------------------------------------
%%
%% rebar: Erlang Build Tools
%%
%% Copyright (c) 2009, 2010 Dave Smith (dizzyd@dizzyd.com)
%%
%% 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(rebar_dia_compiler).
-export([compile/2,
clean/2]).
%% for internal use only
-export([info/2]).
-include("rebar.hrl").
%% ===================================================================
%% Public API
%% ===================================================================
-spec compile(rebar_config:config(), file:filename()) -> 'ok'.
compile(Config, _AppFile) ->
rebar_base_compiler:run(Config, filelib:wildcard("dia/*.dia"),
"dia", ".dia", "src", ".erl",
fun compile_dia/3).
-spec clean(rebar_config:config(), file:filename()) -> 'ok'.
clean(_Config, _AppFile) ->
GeneratedFiles = dia_generated_files("dia", "src", "include"),
ok = rebar_file_utils:delete_each(GeneratedFiles),
ok.
%% ===================================================================
%% Internal functions
%% ===================================================================
info(help, compile) ->
info_help("Build Diameter (*.dia) sources");
info(help, clean) ->
info_help("Delete generated Diameter files").
info_help(Description) ->
?CONSOLE(
"~s.~n"
"~n"
"Valid rebar.config options:~n"
" {dia_opts, []} (see diameter_codegen:from_dict/4 documentation)~n",
[Description]).
-spec compile_dia(file:filename(), file:filename(),
rebar_config:config()) -> ok.
compile_dia(Source, Target, Config) ->
ok = filelib:ensure_dir(Target),
ok = filelib:ensure_dir(filename:join("include", "dummy.hrl")),
Opts = [{outdir, "src"}] ++ rebar_config:get(Config, dia_opts, []),
case diameter_dict_util:parse({path, Source}, []) of
{ok, Spec} ->
FileName = dia_filename(Source, Spec),
_ = diameter_codegen:from_dict(FileName, Spec, Opts, erl),
_ = diameter_codegen:from_dict(FileName, Spec, Opts, hrl),
HrlFile = filename:join("src", FileName ++ ".hrl"),
case filelib:is_regular(HrlFile) of
true ->
ok = rebar_file_utils:mv(HrlFile, "include");
false ->
ok
end;
{error, Reason} ->
?ERROR("~s~n", [diameter_dict_util:format_error(Reason)])
end.
dia_generated_files(DiaDir, SrcDir, IncDir) ->
F = fun(File, Acc) ->
{ok, Spec} = diameter_dict_util:parse({path, File}, []),
FileName = dia_filename(File, Spec),
[filename:join([IncDir, FileName ++ ".hrl"]) |
filelib:wildcard(filename:join([SrcDir, FileName ++ ".*"]))] ++ Acc
end,
lists:foldl(F, [], filelib:wildcard(filename:join([DiaDir, "*.dia"]))).
dia_filename(File, Spec) ->
case proplists:get_value(name, Spec) of
undefined ->
filename:rootname(filename:basename(File));
Name ->
Name
end.