*: update dependencies
This commit is contained in:
Xiang Li
179
cmd/vendor/github.com/golang/protobuf/proto/text.go
generated
vendored
179
cmd/vendor/github.com/golang/protobuf/proto/text.go
generated
vendored
@ -175,7 +175,93 @@ type raw interface {
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Bytes() []byte
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}
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func writeStruct(w *textWriter, sv reflect.Value) error {
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func requiresQuotes(u string) bool {
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// When type URL contains any characters except [0-9A-Za-z./\-]*, it must be quoted.
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for _, ch := range u {
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switch {
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case ch == '.' || ch == '/' || ch == '_':
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continue
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case '0' <= ch && ch <= '9':
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continue
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case 'A' <= ch && ch <= 'Z':
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continue
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case 'a' <= ch && ch <= 'z':
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continue
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default:
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return true
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}
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}
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return false
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}
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// isAny reports whether sv is a google.protobuf.Any message
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func isAny(sv reflect.Value) bool {
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type wkt interface {
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XXX_WellKnownType() string
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}
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t, ok := sv.Addr().Interface().(wkt)
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return ok && t.XXX_WellKnownType() == "Any"
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}
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// writeProto3Any writes an expanded google.protobuf.Any message.
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//
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// It returns (false, nil) if sv value can't be unmarshaled (e.g. because
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// required messages are not linked in).
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//
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// It returns (true, error) when sv was written in expanded format or an error
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// was encountered.
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func (tm *TextMarshaler) writeProto3Any(w *textWriter, sv reflect.Value) (bool, error) {
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turl := sv.FieldByName("TypeUrl")
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val := sv.FieldByName("Value")
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if !turl.IsValid() || !val.IsValid() {
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return true, errors.New("proto: invalid google.protobuf.Any message")
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}
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b, ok := val.Interface().([]byte)
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if !ok {
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return true, errors.New("proto: invalid google.protobuf.Any message")
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}
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parts := strings.Split(turl.String(), "/")
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mt := MessageType(parts[len(parts)-1])
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if mt == nil {
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return false, nil
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}
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m := reflect.New(mt.Elem())
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if err := Unmarshal(b, m.Interface().(Message)); err != nil {
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return false, nil
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}
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w.Write([]byte("["))
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u := turl.String()
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if requiresQuotes(u) {
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writeString(w, u)
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} else {
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w.Write([]byte(u))
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}
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if w.compact {
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w.Write([]byte("]:<"))
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} else {
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w.Write([]byte("]: <\n"))
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w.ind++
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}
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if err := tm.writeStruct(w, m.Elem()); err != nil {
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return true, err
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}
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if w.compact {
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w.Write([]byte("> "))
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} else {
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w.ind--
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w.Write([]byte(">\n"))
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}
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return true, nil
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}
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func (tm *TextMarshaler) writeStruct(w *textWriter, sv reflect.Value) error {
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if tm.ExpandAny && isAny(sv) {
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if canExpand, err := tm.writeProto3Any(w, sv); canExpand {
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return err
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}
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}
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st := sv.Type()
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sprops := GetProperties(st)
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for i := 0; i < sv.NumField(); i++ {
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@ -227,7 +313,7 @@ func writeStruct(w *textWriter, sv reflect.Value) error {
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}
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continue
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}
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if err := writeAny(w, v, props); err != nil {
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if err := tm.writeAny(w, v, props); err != nil {
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return err
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}
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if err := w.WriteByte('\n'); err != nil {
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@ -269,7 +355,7 @@ func writeStruct(w *textWriter, sv reflect.Value) error {
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return err
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}
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}
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if err := writeAny(w, key, props.mkeyprop); err != nil {
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if err := tm.writeAny(w, key, props.mkeyprop); err != nil {
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return err
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}
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if err := w.WriteByte('\n'); err != nil {
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@ -286,7 +372,7 @@ func writeStruct(w *textWriter, sv reflect.Value) error {
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return err
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}
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}
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if err := writeAny(w, val, props.mvalprop); err != nil {
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if err := tm.writeAny(w, val, props.mvalprop); err != nil {
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return err
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}
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if err := w.WriteByte('\n'); err != nil {
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@ -358,7 +444,7 @@ func writeStruct(w *textWriter, sv reflect.Value) error {
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}
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// Enums have a String method, so writeAny will work fine.
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if err := writeAny(w, fv, props); err != nil {
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if err := tm.writeAny(w, fv, props); err != nil {
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return err
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}
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@ -369,8 +455,8 @@ func writeStruct(w *textWriter, sv reflect.Value) error {
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// Extensions (the XXX_extensions field).
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pv := sv.Addr()
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if pv.Type().Implements(extendableProtoType) {
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if err := writeExtensions(w, pv); err != nil {
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if _, ok := extendable(pv.Interface()); ok {
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if err := tm.writeExtensions(w, pv); err != nil {
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return err
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}
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}
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@ -400,7 +486,7 @@ func writeRaw(w *textWriter, b []byte) error {
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}
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// writeAny writes an arbitrary field.
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func writeAny(w *textWriter, v reflect.Value, props *Properties) error {
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func (tm *TextMarshaler) writeAny(w *textWriter, v reflect.Value, props *Properties) error {
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v = reflect.Indirect(v)
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// Floats have special cases.
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@ -427,7 +513,7 @@ func writeAny(w *textWriter, v reflect.Value, props *Properties) error {
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switch v.Kind() {
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case reflect.Slice:
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// Should only be a []byte; repeated fields are handled in writeStruct.
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if err := writeString(w, string(v.Interface().([]byte))); err != nil {
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if err := writeString(w, string(v.Bytes())); err != nil {
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return err
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}
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case reflect.String:
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@ -449,15 +535,15 @@ func writeAny(w *textWriter, v reflect.Value, props *Properties) error {
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}
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}
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w.indent()
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if tm, ok := v.Interface().(encoding.TextMarshaler); ok {
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text, err := tm.MarshalText()
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if etm, ok := v.Interface().(encoding.TextMarshaler); ok {
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text, err := etm.MarshalText()
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if err != nil {
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return err
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}
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if _, err = w.Write(text); err != nil {
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return err
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}
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} else if err := writeStruct(w, v); err != nil {
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} else if err := tm.writeStruct(w, v); err != nil {
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return err
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}
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w.unindent()
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@ -601,19 +687,24 @@ func (s int32Slice) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
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// writeExtensions writes all the extensions in pv.
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// pv is assumed to be a pointer to a protocol message struct that is extendable.
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func writeExtensions(w *textWriter, pv reflect.Value) error {
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func (tm *TextMarshaler) writeExtensions(w *textWriter, pv reflect.Value) error {
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emap := extensionMaps[pv.Type().Elem()]
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ep := pv.Interface().(extendableProto)
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ep, _ := extendable(pv.Interface())
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// Order the extensions by ID.
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// This isn't strictly necessary, but it will give us
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// canonical output, which will also make testing easier.
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m := ep.ExtensionMap()
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m, mu := ep.extensionsRead()
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if m == nil {
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return nil
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}
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mu.Lock()
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ids := make([]int32, 0, len(m))
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for id := range m {
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ids = append(ids, id)
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}
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sort.Sort(int32Slice(ids))
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mu.Unlock()
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for _, extNum := range ids {
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ext := m[extNum]
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@ -636,13 +727,13 @@ func writeExtensions(w *textWriter, pv reflect.Value) error {
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// Repeated extensions will appear as a slice.
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if !desc.repeated() {
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if err := writeExtension(w, desc.Name, pb); err != nil {
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if err := tm.writeExtension(w, desc.Name, pb); err != nil {
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return err
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}
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} else {
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v := reflect.ValueOf(pb)
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for i := 0; i < v.Len(); i++ {
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if err := writeExtension(w, desc.Name, v.Index(i).Interface()); err != nil {
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if err := tm.writeExtension(w, desc.Name, v.Index(i).Interface()); err != nil {
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return err
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}
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}
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@ -651,7 +742,7 @@ func writeExtensions(w *textWriter, pv reflect.Value) error {
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return nil
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}
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func writeExtension(w *textWriter, name string, pb interface{}) error {
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func (tm *TextMarshaler) writeExtension(w *textWriter, name string, pb interface{}) error {
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if _, err := fmt.Fprintf(w, "[%s]:", name); err != nil {
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return err
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}
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@ -660,7 +751,7 @@ func writeExtension(w *textWriter, name string, pb interface{}) error {
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return err
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}
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}
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if err := writeAny(w, reflect.ValueOf(pb), nil); err != nil {
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if err := tm.writeAny(w, reflect.ValueOf(pb), nil); err != nil {
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return err
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}
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if err := w.WriteByte('\n'); err != nil {
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@ -685,7 +776,15 @@ func (w *textWriter) writeIndent() {
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w.complete = false
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}
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func marshalText(w io.Writer, pb Message, compact bool) error {
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// TextMarshaler is a configurable text format marshaler.
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type TextMarshaler struct {
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Compact bool // use compact text format (one line).
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ExpandAny bool // expand google.protobuf.Any messages of known types
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}
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// Marshal writes a given protocol buffer in text format.
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// The only errors returned are from w.
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func (tm *TextMarshaler) Marshal(w io.Writer, pb Message) error {
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val := reflect.ValueOf(pb)
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if pb == nil || val.IsNil() {
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w.Write([]byte("<nil>"))
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@ -700,11 +799,11 @@ func marshalText(w io.Writer, pb Message, compact bool) error {
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aw := &textWriter{
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w: ww,
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complete: true,
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compact: compact,
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compact: tm.Compact,
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}
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if tm, ok := pb.(encoding.TextMarshaler); ok {
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text, err := tm.MarshalText()
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if etm, ok := pb.(encoding.TextMarshaler); ok {
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text, err := etm.MarshalText()
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if err != nil {
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return err
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}
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@ -718,7 +817,7 @@ func marshalText(w io.Writer, pb Message, compact bool) error {
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}
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// Dereference the received pointer so we don't have outer < and >.
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v := reflect.Indirect(val)
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if err := writeStruct(aw, v); err != nil {
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if err := tm.writeStruct(aw, v); err != nil {
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return err
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}
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if bw != nil {
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@ -727,25 +826,29 @@ func marshalText(w io.Writer, pb Message, compact bool) error {
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return nil
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}
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// Text is the same as Marshal, but returns the string directly.
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func (tm *TextMarshaler) Text(pb Message) string {
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var buf bytes.Buffer
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tm.Marshal(&buf, pb)
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return buf.String()
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}
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var (
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defaultTextMarshaler = TextMarshaler{}
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compactTextMarshaler = TextMarshaler{Compact: true}
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)
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// TODO: consider removing some of the Marshal functions below.
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// MarshalText writes a given protocol buffer in text format.
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// The only errors returned are from w.
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func MarshalText(w io.Writer, pb Message) error {
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return marshalText(w, pb, false)
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}
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func MarshalText(w io.Writer, pb Message) error { return defaultTextMarshaler.Marshal(w, pb) }
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// MarshalTextString is the same as MarshalText, but returns the string directly.
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func MarshalTextString(pb Message) string {
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var buf bytes.Buffer
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marshalText(&buf, pb, false)
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return buf.String()
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}
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func MarshalTextString(pb Message) string { return defaultTextMarshaler.Text(pb) }
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// CompactText writes a given protocol buffer in compact text format (one line).
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func CompactText(w io.Writer, pb Message) error { return marshalText(w, pb, true) }
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func CompactText(w io.Writer, pb Message) error { return compactTextMarshaler.Marshal(w, pb) }
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// CompactTextString is the same as CompactText, but returns the string directly.
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func CompactTextString(pb Message) string {
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var buf bytes.Buffer
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marshalText(&buf, pb, true)
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return buf.String()
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}
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func CompactTextString(pb Message) string { return compactTextMarshaler.Text(pb) }
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