Function imageToCodeGeneratorRequest

private/bufpkg/bufimage/util.go:416–456

(
	image Image,
	parameter string,
	compilerVersion *pluginpb.Version,
	includeImports bool,
	includeWellKnownTypes bool,
	alreadyUsedPaths map[string]struct{},
	nonImportPaths map[string]struct{},
)

}

func imageToCodeGeneratorRequest(
	image Image,
	parameter string,
	compilerVersion *pluginpb.Version,
	includeImports bool,
	includeWellKnownTypes bool,
	alreadyUsedPaths map[string]struct{},
	nonImportPaths map[string]struct{},
) (*pluginpb.CodeGeneratorRequest, error) {
	imageFiles := image.Files()
	request := &pluginpb.CodeGeneratorRequest{
		ProtoFile:       make([]*descriptorpb.FileDescriptorProto, len(imageFiles)),
		CompilerVersion: compilerVersion,
	}
	if parameter != "" {
		request.Parameter = proto.String(parameter)
	}
	for i, imageFile := range imageFiles {
		fileDescriptorProto := imageFile.FileDescriptorProto()
		// ProtoFile should include only runtime-retained options for files to generate.
		if isFileToGenerate(
			imageFile,
			alreadyUsedPaths,
			nonImportPaths,
			includeImports,
			includeWellKnownTypes,
		) {
			request.FileToGenerate = append(request.FileToGenerate, imageFile.Path())
			// Source-retention options for items in FileToGenerate are provided in SourceFileDescriptors.
			request.SourceFileDescriptors = append(request.SourceFileDescriptors, fileDescriptorProto)
			// And the corresponding descriptor in ProtoFile will have source-retention options stripped.
			var err error
			fileDescriptorProto, err = protopluginutil.StripSourceRetentionOptions(fileDescriptorProto)
			if err != nil {
				return nil, fmt.Errorf("failed to strip source-retention options for file %q when constructing a CodeGeneratorRequest: %w", imageFile.Path(), err)
			}
		}
		request.ProtoFile[i] = fileDescriptorProto
	}
	return request, nil
}

func isFileToGenerate(
	imageFile ImageFile,