Example #1
0
func Generate(req *plugin.CodeGeneratorRequest) *plugin.CodeGeneratorResponse {
	// Begin by allocating a generator. The request and response structures are stored there
	// so we can do error handling easily - the response structure contains the field to
	// report failure.
	g := generator.New()
	g.Request = req

	g.CommandLineParameters(g.Request.GetParameter())

	// Create a wrapped version of the Descriptors and EnumDescriptors that
	// point to the file that defines them.
	g.WrapTypes()

	g.SetPackageNames()
	g.BuildTypeNameMap()

	g.GenerateAllFiles()

	if err := goformat(g.Response); err != nil {
		g.Error(err)
	}

	testReq := proto.Clone(req).(*plugin.CodeGeneratorRequest)

	testResp := GeneratePlugin(testReq, testgen.NewPlugin(), "pb_test.go")

	for i := 0; i < len(testResp.File); i++ {
		if strings.Contains(*testResp.File[i].Content, `//These tests are generated by github.com/maditya/protobuf/plugin/testgen`) {
			g.Response.File = append(g.Response.File, testResp.File[i])
		}
	}

	return g.Response
}
Example #2
0
func Write(resp *plugin.CodeGeneratorResponse) {
	g := generator.New()
	// Send back the results.
	data, err := proto.Marshal(resp)
	if err != nil {
		g.Error(err, "failed to marshal output proto")
	}
	_, err = os.Stdout.Write(data)
	if err != nil {
		g.Error(err, "failed to write output proto")
	}
}
Example #3
0
func Read() *plugin.CodeGeneratorRequest {
	g := generator.New()
	data, err := ioutil.ReadAll(os.Stdin)
	if err != nil {
		g.Error(err, "reading input")
	}

	if err := proto.Unmarshal(data, g.Request); err != nil {
		g.Error(err, "parsing input proto")
	}

	if len(g.Request.FileToGenerate) == 0 {
		g.Fail("no files to generate")
	}
	return g.Request
}
Example #4
0
// filenameSuffix replaces the .pb.go at the end of each filename.
func GeneratePlugin(req *plugin.CodeGeneratorRequest, p generator.Plugin, filenameSuffix string) *plugin.CodeGeneratorResponse {
	g := generator.New()
	g.Request = req
	if len(g.Request.FileToGenerate) == 0 {
		g.Fail("no files to generate")
	}

	g.CommandLineParameters(g.Request.GetParameter())

	g.WrapTypes()
	g.SetPackageNames()
	g.BuildTypeNameMap()
	g.GeneratePlugin(p)

	for i := 0; i < len(g.Response.File); i++ {
		g.Response.File[i].Name = proto.String(
			strings.Replace(*g.Response.File[i].Name, ".pb.go", filenameSuffix, -1),
		)
	}
	if err := goformat(g.Response); err != nil {
		g.Error(err)
	}
	return g.Response
}