Golang FileDescriptorProto.GetSourceCodeInfo方法代码示例

func fillTreeWithFile(tree *tree, file *descriptor.FileDescriptorProto) {
	key := fmt.Sprintf(".%s", file.GetPackage())
	locs := make(map[string]*descriptor.SourceCodeInfo_Location)
	for _, loc := range file.GetSourceCodeInfo().GetLocation() {
		if loc.LeadingComments == nil {
			continue
		}
		var p []string
		for _, n := range loc.Path {
			p = append(p, strconv.Itoa(int(n)))
		}
		locs[strings.Join(p, ",")] = loc
	}

	// Messages
	for idx, proto := range file.GetMessageType() {
		fillTreeWithMessage(tree, key, proto, fmt.Sprintf("4,%d", idx), locs)
	}

	// Enums
	for idx, proto := range file.GetEnumType() {
		fillTreeWithEnum(tree, key, proto, fmt.Sprintf("5,%d", idx), locs)
	}

	// Services
	for idx, proto := range file.GetService() {
		fillTreeWithService(tree, key, proto, fmt.Sprintf("6,%d", idx), locs)
	}
}

// loadFile loads messages and fiels from "file".
// It does not loads services and methods in "file".  You need to call
// loadServices after loadFiles is called for all files to load services and methods.
func (r *Registry) loadFile(file *descriptor.FileDescriptorProto) {
	pkg := GoPackage{
		Path: r.goPackagePath(file),
		Name: defaultGoPackageName(file),
	}
	if err := r.ReserveGoPackageAlias(pkg.Name, pkg.Path); err != nil {
		for i := 0; ; i++ {
			alias := fmt.Sprintf("%s_%d", pkg.Name, i)
			if err := r.ReserveGoPackageAlias(alias, pkg.Path); err == nil {
				pkg.Alias = alias
				break
			}
		}
	}

	comments := make(map[string]*descriptor.SourceCodeInfo_Location)
	for _, loc := range file.GetSourceCodeInfo().GetLocation() {
		if loc.LeadingComments == nil && loc.TrailingComments == nil {
			continue
		}

		var p []string
		for _, n := range loc.Path {
			p = append(p, strconv.Itoa(int(n)))
		}

		comments[strings.Join(p, ",")] = loc
	}

	f := &File{
		FileDescriptorProto: file,
		GoPkg:               pkg,
		Comments:            comments,
	}

	r.files[file.GetName()] = f
	r.registerMsg(f, nil, nil, file.GetMessageType())
}

// LintProtoFile takes a file name, proto file description, and a file.
// It checks the file for errors and writes them to the output file
func LintProtoFile(
	protoFile *descriptor.FileDescriptorProto,
	outFile io.WriteCloser,
) (int, error) {
	var (
		errors      = protoBufErrors{}
		protoSource = protoFile.GetSourceCodeInfo()
	)

	for i, v := range protoFile.GetMessageType() {
		errors.lintProtoMessage(int32(i), pathMessage, []int32{}, v)
	}

	for i, v := range protoFile.GetEnumType() {
		errors.lintProtoEnumType(int32(i), pathEnumType, []int32{}, v)
	}

	for i, v := range protoFile.GetService() {
		errors.lintProtoService(int32(i), v)
	}
	for _, v := range errors {
		line, col := v.getSourceLineNumber(protoSource)
		fmt.Fprintf(
			outFile,
			"%s:%d:%d: '%s' - %s\n",
			*protoFile.Name,
			line,
			col,
			v.errorString,
			linterErrors[v.errorCode],
		)
	}

	return len(errors), nil

}