1// Copyright 2017 Google Inc. All rights reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package python
16
17import (
18	"android/soong/android"
19)
20
21func genProto(ctx android.ModuleContext, protoFile android.Path, flags android.ProtoFlags, pkgPath string) android.Path {
22	srcsZipFile := android.PathForModuleGen(ctx, protoFile.Base()+".srcszip")
23
24	outDir := srcsZipFile.ReplaceExtension(ctx, "tmp")
25	depFile := srcsZipFile.ReplaceExtension(ctx, "srcszip.d")
26
27	rule := android.NewRuleBuilder()
28
29	rule.Command().Text("rm -rf").Flag(outDir.String())
30	rule.Command().Text("mkdir -p").Flag(outDir.String())
31
32	android.ProtoRule(ctx, rule, protoFile, flags, flags.Deps, outDir, depFile, nil)
33
34	// Proto generated python files have an unknown package name in the path, so package the entire output directory
35	// into a srcszip.
36	zipCmd := rule.Command().
37		BuiltTool(ctx, "soong_zip").
38		FlagWithOutput("-o ", srcsZipFile)
39	if pkgPath != "" {
40		zipCmd.FlagWithArg("-P ", pkgPath)
41	}
42	zipCmd.FlagWithArg("-C ", outDir.String()).
43		FlagWithArg("-D ", outDir.String())
44
45	rule.Command().Text("rm -rf").Flag(outDir.String())
46
47	rule.Build(pctx, ctx, "protoc_"+protoFile.Rel(), "protoc "+protoFile.Rel())
48
49	return srcsZipFile
50}
51