Update vendoring for github.com/golang/protobuf/proto
parent
84c6c66a35
commit
3939e9d0b1
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@ -39,5 +39,5 @@ test: install generate-test-pbs
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generate-test-pbs:
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make install
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make -C testdata
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protoc --go_out=Mtestdata/test.proto=github.com/golang/protobuf/proto/testdata:. proto3_proto/proto3.proto
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protoc --go_out=Mtestdata/test.proto=github.com/golang/protobuf/proto/testdata,Mgoogle/protobuf/any.proto=github.com/golang/protobuf/ptypes/any:. proto3_proto/proto3.proto
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make
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@ -84,9 +84,15 @@ func mergeStruct(out, in reflect.Value) {
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mergeAny(out.Field(i), in.Field(i), false, sprop.Prop[i])
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}
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if emIn, ok := in.Addr().Interface().(extendableProto); ok {
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emOut := out.Addr().Interface().(extendableProto)
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mergeExtension(emOut.ExtensionMap(), emIn.ExtensionMap())
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if emIn, ok := extendable(in.Addr().Interface()); ok {
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emOut, _ := extendable(out.Addr().Interface())
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mIn, muIn := emIn.extensionsRead()
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if mIn != nil {
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mOut := emOut.extensionsWrite()
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muIn.Lock()
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mergeExtension(mOut, mIn)
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muIn.Unlock()
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}
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}
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uf := in.FieldByName("XXX_unrecognized")
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@ -61,7 +61,6 @@ var ErrInternalBadWireType = errors.New("proto: internal error: bad wiretype for
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// int32, int64, uint32, uint64, bool, and enum
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// protocol buffer types.
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func DecodeVarint(buf []byte) (x uint64, n int) {
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// x, n already 0
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for shift := uint(0); shift < 64; shift += 7 {
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if n >= len(buf) {
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return 0, 0
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@ -78,13 +77,7 @@ func DecodeVarint(buf []byte) (x uint64, n int) {
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return 0, 0
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}
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// DecodeVarint reads a varint-encoded integer from the Buffer.
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// This is the format for the
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// int32, int64, uint32, uint64, bool, and enum
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// protocol buffer types.
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func (p *Buffer) DecodeVarint() (x uint64, err error) {
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// x, err already 0
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func (p *Buffer) decodeVarintSlow() (x uint64, err error) {
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i := p.index
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l := len(p.buf)
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@ -107,6 +100,107 @@ func (p *Buffer) DecodeVarint() (x uint64, err error) {
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return
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}
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// DecodeVarint reads a varint-encoded integer from the Buffer.
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// This is the format for the
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// int32, int64, uint32, uint64, bool, and enum
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// protocol buffer types.
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func (p *Buffer) DecodeVarint() (x uint64, err error) {
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i := p.index
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buf := p.buf
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if i >= len(buf) {
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return 0, io.ErrUnexpectedEOF
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} else if buf[i] < 0x80 {
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p.index++
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return uint64(buf[i]), nil
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} else if len(buf)-i < 10 {
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return p.decodeVarintSlow()
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}
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var b uint64
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// we already checked the first byte
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x = uint64(buf[i]) - 0x80
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i++
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b = uint64(buf[i])
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i++
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x += b << 7
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if b&0x80 == 0 {
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goto done
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}
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x -= 0x80 << 7
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b = uint64(buf[i])
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i++
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x += b << 14
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if b&0x80 == 0 {
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goto done
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}
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x -= 0x80 << 14
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b = uint64(buf[i])
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i++
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x += b << 21
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if b&0x80 == 0 {
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goto done
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}
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x -= 0x80 << 21
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b = uint64(buf[i])
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i++
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x += b << 28
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if b&0x80 == 0 {
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goto done
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}
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x -= 0x80 << 28
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b = uint64(buf[i])
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i++
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x += b << 35
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if b&0x80 == 0 {
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goto done
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}
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x -= 0x80 << 35
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b = uint64(buf[i])
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i++
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x += b << 42
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if b&0x80 == 0 {
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goto done
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}
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x -= 0x80 << 42
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b = uint64(buf[i])
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i++
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x += b << 49
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if b&0x80 == 0 {
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goto done
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}
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x -= 0x80 << 49
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b = uint64(buf[i])
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i++
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x += b << 56
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if b&0x80 == 0 {
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goto done
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}
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x -= 0x80 << 56
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b = uint64(buf[i])
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i++
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x += b << 63
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if b&0x80 == 0 {
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goto done
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}
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// x -= 0x80 << 63 // Always zero.
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return 0, errOverflow
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done:
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p.index = i
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return x, nil
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}
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// DecodeFixed64 reads a 64-bit integer from the Buffer.
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// This is the format for the
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// fixed64, sfixed64, and double protocol buffer types.
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@ -340,6 +434,8 @@ func (p *Buffer) DecodeGroup(pb Message) error {
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// Buffer and places the decoded result in pb. If the struct
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// underlying pb does not match the data in the buffer, the results can be
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// unpredictable.
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//
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// Unlike proto.Unmarshal, this does not reset pb before starting to unmarshal.
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func (p *Buffer) Unmarshal(pb Message) error {
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// If the object can unmarshal itself, let it.
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if u, ok := pb.(Unmarshaler); ok {
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@ -378,6 +474,11 @@ func (o *Buffer) unmarshalType(st reflect.Type, prop *StructProperties, is_group
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wire := int(u & 0x7)
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if wire == WireEndGroup {
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if is_group {
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if required > 0 {
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// Not enough information to determine the exact field.
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// (See below.)
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return &RequiredNotSetError{"{Unknown}"}
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}
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return nil // input is satisfied
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}
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return fmt.Errorf("proto: %s: wiretype end group for non-group", st)
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@ -390,11 +491,12 @@ func (o *Buffer) unmarshalType(st reflect.Type, prop *StructProperties, is_group
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if !ok {
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// Maybe it's an extension?
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if prop.extendable {
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if e := structPointer_Interface(base, st).(extendableProto); isExtensionField(e, int32(tag)) {
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if e, _ := extendable(structPointer_Interface(base, st)); isExtensionField(e, int32(tag)) {
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if err = o.skip(st, tag, wire); err == nil {
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ext := e.ExtensionMap()[int32(tag)] // may be missing
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extmap := e.extensionsWrite()
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ext := extmap[int32(tag)] // may be missing
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ext.enc = append(ext.enc, o.buf[oi:o.index]...)
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e.ExtensionMap()[int32(tag)] = ext
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extmap[int32(tag)] = ext
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}
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continue
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}
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@ -768,10 +870,11 @@ func (o *Buffer) dec_new_map(p *Properties, base structPointer) error {
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}
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}
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keyelem, valelem := keyptr.Elem(), valptr.Elem()
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if !keyelem.IsValid() || !valelem.IsValid() {
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// We did not decode the key or the value in the map entry.
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// Either way, it's an invalid map entry.
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return fmt.Errorf("proto: bad map data: missing key/val")
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if !keyelem.IsValid() {
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keyelem = reflect.Zero(p.mtype.Key())
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}
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if !valelem.IsValid() {
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valelem = reflect.Zero(p.mtype.Elem())
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}
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v.SetMapIndex(keyelem, valelem)
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@ -64,8 +64,16 @@ var (
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// a struct with a repeated field containing a nil element.
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errRepeatedHasNil = errors.New("proto: repeated field has nil element")
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// errOneofHasNil is the error returned if Marshal is called with
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// a struct with a oneof field containing a nil element.
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errOneofHasNil = errors.New("proto: oneof field has nil value")
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// ErrNil is the error returned if Marshal is called with nil.
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ErrNil = errors.New("proto: Marshal called with nil")
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// ErrTooLarge is the error returned if Marshal is called with a
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// message that encodes to >2GB.
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ErrTooLarge = errors.New("proto: message encodes to over 2 GB")
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)
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// The fundamental encoders that put bytes on the wire.
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@ -74,6 +82,10 @@ var (
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const maxVarintBytes = 10 // maximum length of a varint
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// maxMarshalSize is the largest allowed size of an encoded protobuf,
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// since C++ and Java use signed int32s for the size.
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const maxMarshalSize = 1<<31 - 1
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// EncodeVarint returns the varint encoding of x.
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// This is the format for the
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// int32, int64, uint32, uint64, bool, and enum
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@ -222,10 +234,6 @@ func Marshal(pb Message) ([]byte, error) {
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}
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p := NewBuffer(nil)
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err := p.Marshal(pb)
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var state errorState
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if err != nil && !state.shouldContinue(err, nil) {
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return nil, err
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}
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if p.buf == nil && err == nil {
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// Return a non-nil slice on success.
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return []byte{}, nil
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@ -254,11 +262,8 @@ func (p *Buffer) Marshal(pb Message) error {
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// Can the object marshal itself?
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if m, ok := pb.(Marshaler); ok {
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data, err := m.Marshal()
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if err != nil {
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return err
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}
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p.buf = append(p.buf, data...)
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return nil
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return err
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}
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t, base, err := getbase(pb)
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@ -270,9 +275,12 @@ func (p *Buffer) Marshal(pb Message) error {
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}
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if collectStats {
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stats.Encode++
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(stats).Encode++ // Parens are to work around a goimports bug.
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}
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if len(p.buf) > maxMarshalSize {
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return ErrTooLarge
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}
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return err
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}
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@ -294,7 +302,7 @@ func Size(pb Message) (n int) {
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}
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if collectStats {
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stats.Size++
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(stats).Size++ // Parens are to work around a goimports bug.
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}
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return
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@ -999,7 +1007,6 @@ func size_slice_struct_message(p *Properties, base structPointer) (n int) {
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if p.isMarshaler {
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m := structPointer_Interface(structp, p.stype).(Marshaler)
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data, _ := m.Marshal()
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n += len(p.tagcode)
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n += sizeRawBytes(data)
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continue
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}
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@ -1058,10 +1065,32 @@ func size_slice_struct_group(p *Properties, base structPointer) (n int) {
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// Encode an extension map.
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func (o *Buffer) enc_map(p *Properties, base structPointer) error {
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v := *structPointer_ExtMap(base, p.field)
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if err := encodeExtensionMap(v); err != nil {
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exts := structPointer_ExtMap(base, p.field)
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if err := encodeExtensionsMap(*exts); err != nil {
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return err
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}
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return o.enc_map_body(*exts)
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}
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func (o *Buffer) enc_exts(p *Properties, base structPointer) error {
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exts := structPointer_Extensions(base, p.field)
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v, mu := exts.extensionsRead()
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if v == nil {
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return nil
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}
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mu.Lock()
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defer mu.Unlock()
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if err := encodeExtensionsMap(v); err != nil {
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return err
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}
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return o.enc_map_body(v)
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}
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func (o *Buffer) enc_map_body(v map[int32]Extension) error {
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// Fast-path for common cases: zero or one extensions.
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if len(v) <= 1 {
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for _, e := range v {
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@ -1084,8 +1113,13 @@ func (o *Buffer) enc_map(p *Properties, base structPointer) error {
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}
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func size_map(p *Properties, base structPointer) int {
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v := *structPointer_ExtMap(base, p.field)
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return sizeExtensionMap(v)
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v := structPointer_ExtMap(base, p.field)
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return extensionsMapSize(*v)
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}
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func size_exts(p *Properties, base structPointer) int {
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v := structPointer_Extensions(base, p.field)
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return extensionsSize(v)
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}
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// Encode a map field.
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@ -1114,7 +1148,7 @@ func (o *Buffer) enc_new_map(p *Properties, base structPointer) error {
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if err := p.mkeyprop.enc(o, p.mkeyprop, keybase); err != nil {
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return err
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}
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if err := p.mvalprop.enc(o, p.mvalprop, valbase); err != nil {
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if err := p.mvalprop.enc(o, p.mvalprop, valbase); err != nil && err != ErrNil {
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return err
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}
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return nil
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@ -1124,11 +1158,6 @@ func (o *Buffer) enc_new_map(p *Properties, base structPointer) error {
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for _, key := range v.MapKeys() {
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val := v.MapIndex(key)
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// The only illegal map entry values are nil message pointers.
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if val.Kind() == reflect.Ptr && val.IsNil() {
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return errors.New("proto: map has nil element")
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}
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keycopy.Set(key)
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valcopy.Set(val)
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@ -1216,13 +1245,18 @@ func (o *Buffer) enc_struct(prop *StructProperties, base structPointer) error {
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return err
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}
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}
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if len(o.buf) > maxMarshalSize {
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return ErrTooLarge
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}
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}
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}
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// Do oneof fields.
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if prop.oneofMarshaler != nil {
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m := structPointer_Interface(base, prop.stype).(Message)
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if err := prop.oneofMarshaler(m, o); err != nil {
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if err := prop.oneofMarshaler(m, o); err == ErrNil {
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return errOneofHasNil
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} else if err != nil {
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return err
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}
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}
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@ -1230,6 +1264,9 @@ func (o *Buffer) enc_struct(prop *StructProperties, base structPointer) error {
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// Add unrecognized fields at the end.
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if prop.unrecField.IsValid() {
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v := *structPointer_Bytes(base, prop.unrecField)
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if len(o.buf)+len(v) > maxMarshalSize {
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return ErrTooLarge
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}
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if len(v) > 0 {
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o.buf = append(o.buf, v...)
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}
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@ -54,13 +54,17 @@ Equality is defined in this way:
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in a proto3 .proto file, fields are not "set"; specifically,
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zero length proto3 "bytes" fields are equal (nil == {}).
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- Two repeated fields are equal iff their lengths are the same,
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and their corresponding elements are equal (a "bytes" field,
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although represented by []byte, is not a repeated field)
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and their corresponding elements are equal. Note a "bytes" field,
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although represented by []byte, is not a repeated field and the
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rule for the scalar fields described above applies.
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- Two unset fields are equal.
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- Two unknown field sets are equal if their current
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encoded state is equal.
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- Two extension sets are equal iff they have corresponding
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elements that are pairwise equal.
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- Two map fields are equal iff their lengths are the same,
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and they contain the same set of elements. Zero-length map
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fields are equal.
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- Every other combination of things are not equal.
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The return value is undefined if a and b are not protocol buffers.
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@ -121,9 +125,16 @@ func equalStruct(v1, v2 reflect.Value) bool {
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}
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}
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if em1 := v1.FieldByName("XXX_InternalExtensions"); em1.IsValid() {
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em2 := v2.FieldByName("XXX_InternalExtensions")
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if !equalExtensions(v1.Type(), em1.Interface().(XXX_InternalExtensions), em2.Interface().(XXX_InternalExtensions)) {
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return false
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}
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}
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if em1 := v1.FieldByName("XXX_extensions"); em1.IsValid() {
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em2 := v2.FieldByName("XXX_extensions")
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if !equalExtensions(v1.Type(), em1.Interface().(map[int32]Extension), em2.Interface().(map[int32]Extension)) {
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if !equalExtMap(v1.Type(), em1.Interface().(map[int32]Extension), em2.Interface().(map[int32]Extension)) {
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return false
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}
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}
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@ -184,6 +195,13 @@ func equalAny(v1, v2 reflect.Value, prop *Properties) bool {
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}
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return true
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case reflect.Ptr:
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// Maps may have nil values in them, so check for nil.
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if v1.IsNil() && v2.IsNil() {
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return true
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}
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if v1.IsNil() != v2.IsNil() {
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return false
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}
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return equalAny(v1.Elem(), v2.Elem(), prop)
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case reflect.Slice:
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if v1.Type().Elem().Kind() == reflect.Uint8 {
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@ -223,8 +241,14 @@ func equalAny(v1, v2 reflect.Value, prop *Properties) bool {
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}
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// base is the struct type that the extensions are based on.
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// em1 and em2 are extension maps.
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func equalExtensions(base reflect.Type, em1, em2 map[int32]Extension) bool {
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// x1 and x2 are InternalExtensions.
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func equalExtensions(base reflect.Type, x1, x2 XXX_InternalExtensions) bool {
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em1, _ := x1.extensionsRead()
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em2, _ := x2.extensionsRead()
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return equalExtMap(base, em1, em2)
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}
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|
||||
func equalExtMap(base reflect.Type, em1, em2 map[int32]Extension) bool {
|
||||
if len(em1) != len(em2) {
|
||||
return false
|
||||
}
|
||||
|
|
|
@ -52,14 +52,99 @@ type ExtensionRange struct {
|
|||
Start, End int32 // both inclusive
|
||||
}
|
||||
|
||||
// extendableProto is an interface implemented by any protocol buffer that may be extended.
|
||||
// extendableProto is an interface implemented by any protocol buffer generated by the current
|
||||
// proto compiler that may be extended.
|
||||
type extendableProto interface {
|
||||
Message
|
||||
ExtensionRangeArray() []ExtensionRange
|
||||
extensionsWrite() map[int32]Extension
|
||||
extensionsRead() (map[int32]Extension, sync.Locker)
|
||||
}
|
||||
|
||||
// extendableProtoV1 is an interface implemented by a protocol buffer generated by the previous
|
||||
// version of the proto compiler that may be extended.
|
||||
type extendableProtoV1 interface {
|
||||
Message
|
||||
ExtensionRangeArray() []ExtensionRange
|
||||
ExtensionMap() map[int32]Extension
|
||||
}
|
||||
|
||||
// extensionAdapter is a wrapper around extendableProtoV1 that implements extendableProto.
|
||||
type extensionAdapter struct {
|
||||
extendableProtoV1
|
||||
}
|
||||
|
||||
func (e extensionAdapter) extensionsWrite() map[int32]Extension {
|
||||
return e.ExtensionMap()
|
||||
}
|
||||
|
||||
func (e extensionAdapter) extensionsRead() (map[int32]Extension, sync.Locker) {
|
||||
return e.ExtensionMap(), notLocker{}
|
||||
}
|
||||
|
||||
// notLocker is a sync.Locker whose Lock and Unlock methods are nops.
|
||||
type notLocker struct{}
|
||||
|
||||
func (n notLocker) Lock() {}
|
||||
func (n notLocker) Unlock() {}
|
||||
|
||||
// extendable returns the extendableProto interface for the given generated proto message.
|
||||
// If the proto message has the old extension format, it returns a wrapper that implements
|
||||
// the extendableProto interface.
|
||||
func extendable(p interface{}) (extendableProto, bool) {
|
||||
if ep, ok := p.(extendableProto); ok {
|
||||
return ep, ok
|
||||
}
|
||||
if ep, ok := p.(extendableProtoV1); ok {
|
||||
return extensionAdapter{ep}, ok
|
||||
}
|
||||
return nil, false
|
||||
}
|
||||
|
||||
// XXX_InternalExtensions is an internal representation of proto extensions.
|
||||
//
|
||||
// Each generated message struct type embeds an anonymous XXX_InternalExtensions field,
|
||||
// thus gaining the unexported 'extensions' method, which can be called only from the proto package.
|
||||
//
|
||||
// The methods of XXX_InternalExtensions are not concurrency safe in general,
|
||||
// but calls to logically read-only methods such as has and get may be executed concurrently.
|
||||
type XXX_InternalExtensions struct {
|
||||
// The struct must be indirect so that if a user inadvertently copies a
|
||||
// generated message and its embedded XXX_InternalExtensions, they
|
||||
// avoid the mayhem of a copied mutex.
|
||||
//
|
||||
// The mutex serializes all logically read-only operations to p.extensionMap.
|
||||
// It is up to the client to ensure that write operations to p.extensionMap are
|
||||
// mutually exclusive with other accesses.
|
||||
p *struct {
|
||||
mu sync.Mutex
|
||||
extensionMap map[int32]Extension
|
||||
}
|
||||
}
|
||||
|
||||
// extensionsWrite returns the extension map, creating it on first use.
|
||||
func (e *XXX_InternalExtensions) extensionsWrite() map[int32]Extension {
|
||||
if e.p == nil {
|
||||
e.p = new(struct {
|
||||
mu sync.Mutex
|
||||
extensionMap map[int32]Extension
|
||||
})
|
||||
e.p.extensionMap = make(map[int32]Extension)
|
||||
}
|
||||
return e.p.extensionMap
|
||||
}
|
||||
|
||||
// extensionsRead returns the extensions map for read-only use. It may be nil.
|
||||
// The caller must hold the returned mutex's lock when accessing Elements within the map.
|
||||
func (e *XXX_InternalExtensions) extensionsRead() (map[int32]Extension, sync.Locker) {
|
||||
if e.p == nil {
|
||||
return nil, nil
|
||||
}
|
||||
return e.p.extensionMap, &e.p.mu
|
||||
}
|
||||
|
||||
var extendableProtoType = reflect.TypeOf((*extendableProto)(nil)).Elem()
|
||||
var extendableProtoV1Type = reflect.TypeOf((*extendableProtoV1)(nil)).Elem()
|
||||
|
||||
// ExtensionDesc represents an extension specification.
|
||||
// Used in generated code from the protocol compiler.
|
||||
|
@ -69,6 +154,7 @@ type ExtensionDesc struct {
|
|||
Field int32 // field number
|
||||
Name string // fully-qualified name of extension, for text formatting
|
||||
Tag string // protobuf tag style
|
||||
Filename string // name of the file in which the extension is defined
|
||||
}
|
||||
|
||||
func (ed *ExtensionDesc) repeated() bool {
|
||||
|
@ -92,8 +178,13 @@ type Extension struct {
|
|||
}
|
||||
|
||||
// SetRawExtension is for testing only.
|
||||
func SetRawExtension(base extendableProto, id int32, b []byte) {
|
||||
base.ExtensionMap()[id] = Extension{enc: b}
|
||||
func SetRawExtension(base Message, id int32, b []byte) {
|
||||
epb, ok := extendable(base)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
extmap := epb.extensionsWrite()
|
||||
extmap[id] = Extension{enc: b}
|
||||
}
|
||||
|
||||
// isExtensionField returns true iff the given field number is in an extension range.
|
||||
|
@ -108,8 +199,12 @@ func isExtensionField(pb extendableProto, field int32) bool {
|
|||
|
||||
// checkExtensionTypes checks that the given extension is valid for pb.
|
||||
func checkExtensionTypes(pb extendableProto, extension *ExtensionDesc) error {
|
||||
var pbi interface{} = pb
|
||||
// Check the extended type.
|
||||
if a, b := reflect.TypeOf(pb), reflect.TypeOf(extension.ExtendedType); a != b {
|
||||
if ea, ok := pbi.(extensionAdapter); ok {
|
||||
pbi = ea.extendableProtoV1
|
||||
}
|
||||
if a, b := reflect.TypeOf(pbi), reflect.TypeOf(extension.ExtendedType); a != b {
|
||||
return errors.New("proto: bad extended type; " + b.String() + " does not extend " + a.String())
|
||||
}
|
||||
// Check the range.
|
||||
|
@ -155,8 +250,19 @@ func extensionProperties(ed *ExtensionDesc) *Properties {
|
|||
return prop
|
||||
}
|
||||
|
||||
// encodeExtensionMap encodes any unmarshaled (unencoded) extensions in m.
|
||||
func encodeExtensionMap(m map[int32]Extension) error {
|
||||
// encode encodes any unmarshaled (unencoded) extensions in e.
|
||||
func encodeExtensions(e *XXX_InternalExtensions) error {
|
||||
m, mu := e.extensionsRead()
|
||||
if m == nil {
|
||||
return nil // fast path
|
||||
}
|
||||
mu.Lock()
|
||||
defer mu.Unlock()
|
||||
return encodeExtensionsMap(m)
|
||||
}
|
||||
|
||||
// encode encodes any unmarshaled (unencoded) extensions in e.
|
||||
func encodeExtensionsMap(m map[int32]Extension) error {
|
||||
for k, e := range m {
|
||||
if e.value == nil || e.desc == nil {
|
||||
// Extension is only in its encoded form.
|
||||
|
@ -184,7 +290,17 @@ func encodeExtensionMap(m map[int32]Extension) error {
|
|||
return nil
|
||||
}
|
||||
|
||||
func sizeExtensionMap(m map[int32]Extension) (n int) {
|
||||
func extensionsSize(e *XXX_InternalExtensions) (n int) {
|
||||
m, mu := e.extensionsRead()
|
||||
if m == nil {
|
||||
return 0
|
||||
}
|
||||
mu.Lock()
|
||||
defer mu.Unlock()
|
||||
return extensionsMapSize(m)
|
||||
}
|
||||
|
||||
func extensionsMapSize(m map[int32]Extension) (n int) {
|
||||
for _, e := range m {
|
||||
if e.value == nil || e.desc == nil {
|
||||
// Extension is only in its encoded form.
|
||||
|
@ -209,26 +325,51 @@ func sizeExtensionMap(m map[int32]Extension) (n int) {
|
|||
}
|
||||
|
||||
// HasExtension returns whether the given extension is present in pb.
|
||||
func HasExtension(pb extendableProto, extension *ExtensionDesc) bool {
|
||||
func HasExtension(pb Message, extension *ExtensionDesc) bool {
|
||||
// TODO: Check types, field numbers, etc.?
|
||||
_, ok := pb.ExtensionMap()[extension.Field]
|
||||
epb, ok := extendable(pb)
|
||||
if !ok {
|
||||
return false
|
||||
}
|
||||
extmap, mu := epb.extensionsRead()
|
||||
if extmap == nil {
|
||||
return false
|
||||
}
|
||||
mu.Lock()
|
||||
_, ok = extmap[extension.Field]
|
||||
mu.Unlock()
|
||||
return ok
|
||||
}
|
||||
|
||||
// ClearExtension removes the given extension from pb.
|
||||
func ClearExtension(pb extendableProto, extension *ExtensionDesc) {
|
||||
func ClearExtension(pb Message, extension *ExtensionDesc) {
|
||||
epb, ok := extendable(pb)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
// TODO: Check types, field numbers, etc.?
|
||||
delete(pb.ExtensionMap(), extension.Field)
|
||||
extmap := epb.extensionsWrite()
|
||||
delete(extmap, extension.Field)
|
||||
}
|
||||
|
||||
// GetExtension parses and returns the given extension of pb.
|
||||
// If the extension is not present and has no default value it returns ErrMissingExtension.
|
||||
func GetExtension(pb extendableProto, extension *ExtensionDesc) (interface{}, error) {
|
||||
if err := checkExtensionTypes(pb, extension); err != nil {
|
||||
func GetExtension(pb Message, extension *ExtensionDesc) (interface{}, error) {
|
||||
epb, ok := extendable(pb)
|
||||
if !ok {
|
||||
return nil, errors.New("proto: not an extendable proto")
|
||||
}
|
||||
|
||||
if err := checkExtensionTypes(epb, extension); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
emap := pb.ExtensionMap()
|
||||
emap, mu := epb.extensionsRead()
|
||||
if emap == nil {
|
||||
return defaultExtensionValue(extension)
|
||||
}
|
||||
mu.Lock()
|
||||
defer mu.Unlock()
|
||||
e, ok := emap[extension.Field]
|
||||
if !ok {
|
||||
// defaultExtensionValue returns the default value or
|
||||
|
@ -332,10 +473,9 @@ func decodeExtension(b []byte, extension *ExtensionDesc) (interface{}, error) {
|
|||
// GetExtensions returns a slice of the extensions present in pb that are also listed in es.
|
||||
// The returned slice has the same length as es; missing extensions will appear as nil elements.
|
||||
func GetExtensions(pb Message, es []*ExtensionDesc) (extensions []interface{}, err error) {
|
||||
epb, ok := pb.(extendableProto)
|
||||
epb, ok := extendable(pb)
|
||||
if !ok {
|
||||
err = errors.New("proto: not an extendable proto")
|
||||
return
|
||||
return nil, errors.New("proto: not an extendable proto")
|
||||
}
|
||||
extensions = make([]interface{}, len(es))
|
||||
for i, e := range es {
|
||||
|
@ -350,9 +490,44 @@ func GetExtensions(pb Message, es []*ExtensionDesc) (extensions []interface{}, e
|
|||
return
|
||||
}
|
||||
|
||||
// ExtensionDescs returns a new slice containing pb's extension descriptors, in undefined order.
|
||||
// For non-registered extensions, ExtensionDescs returns an incomplete descriptor containing
|
||||
// just the Field field, which defines the extension's field number.
|
||||
func ExtensionDescs(pb Message) ([]*ExtensionDesc, error) {
|
||||
epb, ok := extendable(pb)
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("proto: %T is not an extendable proto.Message", pb)
|
||||
}
|
||||
registeredExtensions := RegisteredExtensions(pb)
|
||||
|
||||
emap, mu := epb.extensionsRead()
|
||||
if emap == nil {
|
||||
return nil, nil
|
||||
}
|
||||
mu.Lock()
|
||||
defer mu.Unlock()
|
||||
extensions := make([]*ExtensionDesc, 0, len(emap))
|
||||
for extid, e := range emap {
|
||||
desc := e.desc
|
||||
if desc == nil {
|
||||
desc = registeredExtensions[extid]
|
||||
if desc == nil {
|
||||
desc = &ExtensionDesc{Field: extid}
|
||||
}
|
||||
}
|
||||
|
||||
extensions = append(extensions, desc)
|
||||
}
|
||||
return extensions, nil
|
||||
}
|
||||
|
||||
// SetExtension sets the specified extension of pb to the specified value.
|
||||
func SetExtension(pb extendableProto, extension *ExtensionDesc, value interface{}) error {
|
||||
if err := checkExtensionTypes(pb, extension); err != nil {
|
||||
func SetExtension(pb Message, extension *ExtensionDesc, value interface{}) error {
|
||||
epb, ok := extendable(pb)
|
||||
if !ok {
|
||||
return errors.New("proto: not an extendable proto")
|
||||
}
|
||||
if err := checkExtensionTypes(epb, extension); err != nil {
|
||||
return err
|
||||
}
|
||||
typ := reflect.TypeOf(extension.ExtensionType)
|
||||
|
@ -368,10 +543,23 @@ func SetExtension(pb extendableProto, extension *ExtensionDesc, value interface{
|
|||
return fmt.Errorf("proto: SetExtension called with nil value of type %T", value)
|
||||
}
|
||||
|
||||
pb.ExtensionMap()[extension.Field] = Extension{desc: extension, value: value}
|
||||
extmap := epb.extensionsWrite()
|
||||
extmap[extension.Field] = Extension{desc: extension, value: value}
|
||||
return nil
|
||||
}
|
||||
|
||||
// ClearAllExtensions clears all extensions from pb.
|
||||
func ClearAllExtensions(pb Message) {
|
||||
epb, ok := extendable(pb)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
m := epb.extensionsWrite()
|
||||
for k := range m {
|
||||
delete(m, k)
|
||||
}
|
||||
}
|
||||
|
||||
// A global registry of extensions.
|
||||
// The generated code will register the generated descriptors by calling RegisterExtension.
|
||||
|
||||
|
|
|
@ -235,6 +235,7 @@ To create and play with a Test object:
|
|||
test := &pb.Test{
|
||||
Label: proto.String("hello"),
|
||||
Type: proto.Int32(17),
|
||||
Reps: []int64{1, 2, 3},
|
||||
Optionalgroup: &pb.Test_OptionalGroup{
|
||||
RequiredField: proto.String("good bye"),
|
||||
},
|
||||
|
@ -307,7 +308,7 @@ func GetStats() Stats { return stats }
|
|||
// temporary Buffer and are fine for most applications.
|
||||
type Buffer struct {
|
||||
buf []byte // encode/decode byte stream
|
||||
index int // write point
|
||||
index int // read point
|
||||
|
||||
// pools of basic types to amortize allocation.
|
||||
bools []bool
|
||||
|
@ -888,6 +889,10 @@ func isProto3Zero(v reflect.Value) bool {
|
|||
return false
|
||||
}
|
||||
|
||||
// ProtoPackageIsVersion2 is referenced from generated protocol buffer files
|
||||
// to assert that that code is compatible with this version of the proto package.
|
||||
const ProtoPackageIsVersion2 = true
|
||||
|
||||
// ProtoPackageIsVersion1 is referenced from generated protocol buffer files
|
||||
// to assert that that code is compatible with this version of the proto package.
|
||||
const ProtoPackageIsVersion1 = true
|
||||
|
|
|
@ -149,9 +149,21 @@ func skipVarint(buf []byte) []byte {
|
|||
|
||||
// MarshalMessageSet encodes the extension map represented by m in the message set wire format.
|
||||
// It is called by generated Marshal methods on protocol buffer messages with the message_set_wire_format option.
|
||||
func MarshalMessageSet(m map[int32]Extension) ([]byte, error) {
|
||||
if err := encodeExtensionMap(m); err != nil {
|
||||
return nil, err
|
||||
func MarshalMessageSet(exts interface{}) ([]byte, error) {
|
||||
var m map[int32]Extension
|
||||
switch exts := exts.(type) {
|
||||
case *XXX_InternalExtensions:
|
||||
if err := encodeExtensions(exts); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
m, _ = exts.extensionsRead()
|
||||
case map[int32]Extension:
|
||||
if err := encodeExtensionsMap(exts); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
m = exts
|
||||
default:
|
||||
return nil, errors.New("proto: not an extension map")
|
||||
}
|
||||
|
||||
// Sort extension IDs to provide a deterministic encoding.
|
||||
|
@ -178,7 +190,17 @@ func MarshalMessageSet(m map[int32]Extension) ([]byte, error) {
|
|||
|
||||
// UnmarshalMessageSet decodes the extension map encoded in buf in the message set wire format.
|
||||
// It is called by generated Unmarshal methods on protocol buffer messages with the message_set_wire_format option.
|
||||
func UnmarshalMessageSet(buf []byte, m map[int32]Extension) error {
|
||||
func UnmarshalMessageSet(buf []byte, exts interface{}) error {
|
||||
var m map[int32]Extension
|
||||
switch exts := exts.(type) {
|
||||
case *XXX_InternalExtensions:
|
||||
m = exts.extensionsWrite()
|
||||
case map[int32]Extension:
|
||||
m = exts
|
||||
default:
|
||||
return errors.New("proto: not an extension map")
|
||||
}
|
||||
|
||||
ms := new(messageSet)
|
||||
if err := Unmarshal(buf, ms); err != nil {
|
||||
return err
|
||||
|
@ -209,7 +231,16 @@ func UnmarshalMessageSet(buf []byte, m map[int32]Extension) error {
|
|||
|
||||
// MarshalMessageSetJSON encodes the extension map represented by m in JSON format.
|
||||
// It is called by generated MarshalJSON methods on protocol buffer messages with the message_set_wire_format option.
|
||||
func MarshalMessageSetJSON(m map[int32]Extension) ([]byte, error) {
|
||||
func MarshalMessageSetJSON(exts interface{}) ([]byte, error) {
|
||||
var m map[int32]Extension
|
||||
switch exts := exts.(type) {
|
||||
case *XXX_InternalExtensions:
|
||||
m, _ = exts.extensionsRead()
|
||||
case map[int32]Extension:
|
||||
m = exts
|
||||
default:
|
||||
return nil, errors.New("proto: not an extension map")
|
||||
}
|
||||
var b bytes.Buffer
|
||||
b.WriteByte('{')
|
||||
|
||||
|
@ -252,7 +283,7 @@ func MarshalMessageSetJSON(m map[int32]Extension) ([]byte, error) {
|
|||
|
||||
// UnmarshalMessageSetJSON decodes the extension map encoded in buf in JSON format.
|
||||
// It is called by generated UnmarshalJSON methods on protocol buffer messages with the message_set_wire_format option.
|
||||
func UnmarshalMessageSetJSON(buf []byte, m map[int32]Extension) error {
|
||||
func UnmarshalMessageSetJSON(buf []byte, exts interface{}) error {
|
||||
// Common-case fast path.
|
||||
if len(buf) == 0 || bytes.Equal(buf, []byte("{}")) {
|
||||
return nil
|
||||
|
|
|
@ -29,7 +29,7 @@
|
|||
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
// +build appengine
|
||||
// +build appengine js
|
||||
|
||||
// This file contains an implementation of proto field accesses using package reflect.
|
||||
// It is slower than the code in pointer_unsafe.go but it avoids package unsafe and can
|
||||
|
@ -139,6 +139,11 @@ func structPointer_StringSlice(p structPointer, f field) *[]string {
|
|||
return structPointer_ifield(p, f).(*[]string)
|
||||
}
|
||||
|
||||
// Extensions returns the address of an extension map field in the struct.
|
||||
func structPointer_Extensions(p structPointer, f field) *XXX_InternalExtensions {
|
||||
return structPointer_ifield(p, f).(*XXX_InternalExtensions)
|
||||
}
|
||||
|
||||
// ExtMap returns the address of an extension map field in the struct.
|
||||
func structPointer_ExtMap(p structPointer, f field) *map[int32]Extension {
|
||||
return structPointer_ifield(p, f).(*map[int32]Extension)
|
||||
|
|
|
@ -29,7 +29,7 @@
|
|||
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
// +build !appengine
|
||||
// +build !appengine,!js
|
||||
|
||||
// This file contains the implementation of the proto field accesses using package unsafe.
|
||||
|
||||
|
@ -126,6 +126,10 @@ func structPointer_StringSlice(p structPointer, f field) *[]string {
|
|||
}
|
||||
|
||||
// ExtMap returns the address of an extension map field in the struct.
|
||||
func structPointer_Extensions(p structPointer, f field) *XXX_InternalExtensions {
|
||||
return (*XXX_InternalExtensions)(unsafe.Pointer(uintptr(p) + uintptr(f)))
|
||||
}
|
||||
|
||||
func structPointer_ExtMap(p structPointer, f field) *map[int32]Extension {
|
||||
return (*map[int32]Extension)(unsafe.Pointer(uintptr(p) + uintptr(f)))
|
||||
}
|
||||
|
|
|
@ -173,6 +173,7 @@ func (sp *StructProperties) Swap(i, j int) { sp.order[i], sp.order[j] = sp.order
|
|||
type Properties struct {
|
||||
Name string // name of the field, for error messages
|
||||
OrigName string // original name before protocol compiler (always set)
|
||||
JSONName string // name to use for JSON; determined by protoc
|
||||
Wire string
|
||||
WireType int
|
||||
Tag int
|
||||
|
@ -229,8 +230,9 @@ func (p *Properties) String() string {
|
|||
if p.Packed {
|
||||
s += ",packed"
|
||||
}
|
||||
if p.OrigName != p.Name {
|
||||
s += ",name=" + p.OrigName
|
||||
s += ",name=" + p.OrigName
|
||||
if p.JSONName != p.OrigName {
|
||||
s += ",json=" + p.JSONName
|
||||
}
|
||||
if p.proto3 {
|
||||
s += ",proto3"
|
||||
|
@ -310,6 +312,8 @@ func (p *Properties) Parse(s string) {
|
|||
p.Packed = true
|
||||
case strings.HasPrefix(f, "name="):
|
||||
p.OrigName = f[5:]
|
||||
case strings.HasPrefix(f, "json="):
|
||||
p.JSONName = f[5:]
|
||||
case strings.HasPrefix(f, "enum="):
|
||||
p.Enum = f[5:]
|
||||
case f == "proto3":
|
||||
|
@ -469,17 +473,13 @@ func (p *Properties) setEncAndDec(typ reflect.Type, f *reflect.StructField, lock
|
|||
p.dec = (*Buffer).dec_slice_int64
|
||||
p.packedDec = (*Buffer).dec_slice_packed_int64
|
||||
case reflect.Uint8:
|
||||
p.enc = (*Buffer).enc_slice_byte
|
||||
p.dec = (*Buffer).dec_slice_byte
|
||||
p.size = size_slice_byte
|
||||
// This is a []byte, which is either a bytes field,
|
||||
// or the value of a map field. In the latter case,
|
||||
// we always encode an empty []byte, so we should not
|
||||
// use the proto3 enc/size funcs.
|
||||
// f == nil iff this is the key/value of a map field.
|
||||
if p.proto3 && f != nil {
|
||||
if p.proto3 {
|
||||
p.enc = (*Buffer).enc_proto3_slice_byte
|
||||
p.size = size_proto3_slice_byte
|
||||
} else {
|
||||
p.enc = (*Buffer).enc_slice_byte
|
||||
p.size = size_slice_byte
|
||||
}
|
||||
case reflect.Float32, reflect.Float64:
|
||||
switch t2.Bits() {
|
||||
|
@ -678,7 +678,8 @@ func getPropertiesLocked(t reflect.Type) *StructProperties {
|
|||
propertiesMap[t] = prop
|
||||
|
||||
// build properties
|
||||
prop.extendable = reflect.PtrTo(t).Implements(extendableProtoType)
|
||||
prop.extendable = reflect.PtrTo(t).Implements(extendableProtoType) ||
|
||||
reflect.PtrTo(t).Implements(extendableProtoV1Type)
|
||||
prop.unrecField = invalidField
|
||||
prop.Prop = make([]*Properties, t.NumField())
|
||||
prop.order = make([]int, t.NumField())
|
||||
|
@ -689,15 +690,22 @@ func getPropertiesLocked(t reflect.Type) *StructProperties {
|
|||
name := f.Name
|
||||
p.init(f.Type, name, f.Tag.Get("protobuf"), &f, false)
|
||||
|
||||
if f.Name == "XXX_extensions" { // special case
|
||||
if f.Name == "XXX_InternalExtensions" { // special case
|
||||
p.enc = (*Buffer).enc_exts
|
||||
p.dec = nil // not needed
|
||||
p.size = size_exts
|
||||
} else if f.Name == "XXX_extensions" { // special case
|
||||
p.enc = (*Buffer).enc_map
|
||||
p.dec = nil // not needed
|
||||
p.size = size_map
|
||||
}
|
||||
if f.Name == "XXX_unrecognized" { // special case
|
||||
} else if f.Name == "XXX_unrecognized" { // special case
|
||||
prop.unrecField = toField(&f)
|
||||
}
|
||||
oneof := f.Tag.Get("protobuf_oneof") != "" // special case
|
||||
oneof := f.Tag.Get("protobuf_oneof") // special case
|
||||
if oneof != "" {
|
||||
// Oneof fields don't use the traditional protobuf tag.
|
||||
p.OrigName = oneof
|
||||
}
|
||||
prop.Prop[i] = p
|
||||
prop.order[i] = i
|
||||
if debug {
|
||||
|
@ -707,7 +715,7 @@ func getPropertiesLocked(t reflect.Type) *StructProperties {
|
|||
}
|
||||
print("\n")
|
||||
}
|
||||
if p.enc == nil && !strings.HasPrefix(f.Name, "XXX_") && !oneof {
|
||||
if p.enc == nil && !strings.HasPrefix(f.Name, "XXX_") && oneof == "" {
|
||||
fmt.Fprintln(os.Stderr, "proto: no encoder for", f.Name, f.Type.String(), "[GetProperties]")
|
||||
}
|
||||
}
|
||||
|
@ -836,7 +844,29 @@ func RegisterType(x Message, name string) {
|
|||
}
|
||||
|
||||
// MessageName returns the fully-qualified proto name for the given message type.
|
||||
func MessageName(x Message) string { return revProtoTypes[reflect.TypeOf(x)] }
|
||||
func MessageName(x Message) string {
|
||||
type xname interface {
|
||||
XXX_MessageName() string
|
||||
}
|
||||
if m, ok := x.(xname); ok {
|
||||
return m.XXX_MessageName()
|
||||
}
|
||||
return revProtoTypes[reflect.TypeOf(x)]
|
||||
}
|
||||
|
||||
// MessageType returns the message type (pointer to struct) for a named message.
|
||||
func MessageType(name string) reflect.Type { return protoTypes[name] }
|
||||
|
||||
// A registry of all linked proto files.
|
||||
var (
|
||||
protoFiles = make(map[string][]byte) // file name => fileDescriptor
|
||||
)
|
||||
|
||||
// RegisterFile is called from generated code and maps from the
|
||||
// full file name of a .proto file to its compressed FileDescriptorProto.
|
||||
func RegisterFile(filename string, fileDescriptor []byte) {
|
||||
protoFiles[filename] = fileDescriptor
|
||||
}
|
||||
|
||||
// FileDescriptor returns the compressed FileDescriptorProto for a .proto file.
|
||||
func FileDescriptor(filename string) []byte { return protoFiles[filename] }
|
||||
|
|
|
@ -154,7 +154,7 @@ func (w *textWriter) indent() { w.ind++ }
|
|||
|
||||
func (w *textWriter) unindent() {
|
||||
if w.ind == 0 {
|
||||
log.Printf("proto: textWriter unindented too far")
|
||||
log.Print("proto: textWriter unindented too far")
|
||||
return
|
||||
}
|
||||
w.ind--
|
||||
|
@ -175,7 +175,93 @@ type raw interface {
|
|||
Bytes() []byte
|
||||
}
|
||||
|
||||
func writeStruct(w *textWriter, sv reflect.Value) error {
|
||||
func requiresQuotes(u string) bool {
|
||||
// When type URL contains any characters except [0-9A-Za-z./\-]*, it must be quoted.
|
||||
for _, ch := range u {
|
||||
switch {
|
||||
case ch == '.' || ch == '/' || ch == '_':
|
||||
continue
|
||||
case '0' <= ch && ch <= '9':
|
||||
continue
|
||||
case 'A' <= ch && ch <= 'Z':
|
||||
continue
|
||||
case 'a' <= ch && ch <= 'z':
|
||||
continue
|
||||
default:
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
// isAny reports whether sv is a google.protobuf.Any message
|
||||
func isAny(sv reflect.Value) bool {
|
||||
type wkt interface {
|
||||
XXX_WellKnownType() string
|
||||
}
|
||||
t, ok := sv.Addr().Interface().(wkt)
|
||||
return ok && t.XXX_WellKnownType() == "Any"
|
||||
}
|
||||
|
||||
// writeProto3Any writes an expanded google.protobuf.Any message.
|
||||
//
|
||||
// It returns (false, nil) if sv value can't be unmarshaled (e.g. because
|
||||
// required messages are not linked in).
|
||||
//
|
||||
// It returns (true, error) when sv was written in expanded format or an error
|
||||
// was encountered.
|
||||
func (tm *TextMarshaler) writeProto3Any(w *textWriter, sv reflect.Value) (bool, error) {
|
||||
turl := sv.FieldByName("TypeUrl")
|
||||
val := sv.FieldByName("Value")
|
||||
if !turl.IsValid() || !val.IsValid() {
|
||||
return true, errors.New("proto: invalid google.protobuf.Any message")
|
||||
}
|
||||
|
||||
b, ok := val.Interface().([]byte)
|
||||
if !ok {
|
||||
return true, errors.New("proto: invalid google.protobuf.Any message")
|
||||
}
|
||||
|
||||
parts := strings.Split(turl.String(), "/")
|
||||
mt := MessageType(parts[len(parts)-1])
|
||||
if mt == nil {
|
||||
return false, nil
|
||||
}
|
||||
m := reflect.New(mt.Elem())
|
||||
if err := Unmarshal(b, m.Interface().(Message)); err != nil {
|
||||
return false, nil
|
||||
}
|
||||
w.Write([]byte("["))
|
||||
u := turl.String()
|
||||
if requiresQuotes(u) {
|
||||
writeString(w, u)
|
||||
} else {
|
||||
w.Write([]byte(u))
|
||||
}
|
||||
if w.compact {
|
||||
w.Write([]byte("]:<"))
|
||||
} else {
|
||||
w.Write([]byte("]: <\n"))
|
||||
w.ind++
|
||||
}
|
||||
if err := tm.writeStruct(w, m.Elem()); err != nil {
|
||||
return true, err
|
||||
}
|
||||
if w.compact {
|
||||
w.Write([]byte("> "))
|
||||
} else {
|
||||
w.ind--
|
||||
w.Write([]byte(">\n"))
|
||||
}
|
||||
return true, nil
|
||||
}
|
||||
|
||||
func (tm *TextMarshaler) writeStruct(w *textWriter, sv reflect.Value) error {
|
||||
if tm.ExpandAny && isAny(sv) {
|
||||
if canExpand, err := tm.writeProto3Any(w, sv); canExpand {
|
||||
return err
|
||||
}
|
||||
}
|
||||
st := sv.Type()
|
||||
sprops := GetProperties(st)
|
||||
for i := 0; i < sv.NumField(); i++ {
|
||||
|
@ -227,7 +313,7 @@ func writeStruct(w *textWriter, sv reflect.Value) error {
|
|||
}
|
||||
continue
|
||||
}
|
||||
if err := writeAny(w, v, props); err != nil {
|
||||
if err := tm.writeAny(w, v, props); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := w.WriteByte('\n'); err != nil {
|
||||
|
@ -269,7 +355,7 @@ func writeStruct(w *textWriter, sv reflect.Value) error {
|
|||
return err
|
||||
}
|
||||
}
|
||||
if err := writeAny(w, key, props.mkeyprop); err != nil {
|
||||
if err := tm.writeAny(w, key, props.mkeyprop); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := w.WriteByte('\n'); err != nil {
|
||||
|
@ -286,7 +372,7 @@ func writeStruct(w *textWriter, sv reflect.Value) error {
|
|||
return err
|
||||
}
|
||||
}
|
||||
if err := writeAny(w, val, props.mvalprop); err != nil {
|
||||
if err := tm.writeAny(w, val, props.mvalprop); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := w.WriteByte('\n'); err != nil {
|
||||
|
@ -358,7 +444,7 @@ func writeStruct(w *textWriter, sv reflect.Value) error {
|
|||
}
|
||||
|
||||
// Enums have a String method, so writeAny will work fine.
|
||||
if err := writeAny(w, fv, props); err != nil {
|
||||
if err := tm.writeAny(w, fv, props); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
|
@ -369,8 +455,8 @@ func writeStruct(w *textWriter, sv reflect.Value) error {
|
|||
|
||||
// Extensions (the XXX_extensions field).
|
||||
pv := sv.Addr()
|
||||
if pv.Type().Implements(extendableProtoType) {
|
||||
if err := writeExtensions(w, pv); err != nil {
|
||||
if _, ok := extendable(pv.Interface()); ok {
|
||||
if err := tm.writeExtensions(w, pv); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
@ -400,7 +486,7 @@ func writeRaw(w *textWriter, b []byte) error {
|
|||
}
|
||||
|
||||
// writeAny writes an arbitrary field.
|
||||
func writeAny(w *textWriter, v reflect.Value, props *Properties) error {
|
||||
func (tm *TextMarshaler) writeAny(w *textWriter, v reflect.Value, props *Properties) error {
|
||||
v = reflect.Indirect(v)
|
||||
|
||||
// Floats have special cases.
|
||||
|
@ -427,7 +513,7 @@ func writeAny(w *textWriter, v reflect.Value, props *Properties) error {
|
|||
switch v.Kind() {
|
||||
case reflect.Slice:
|
||||
// Should only be a []byte; repeated fields are handled in writeStruct.
|
||||
if err := writeString(w, string(v.Interface().([]byte))); err != nil {
|
||||
if err := writeString(w, string(v.Bytes())); err != nil {
|
||||
return err
|
||||
}
|
||||
case reflect.String:
|
||||
|
@ -449,15 +535,15 @@ func writeAny(w *textWriter, v reflect.Value, props *Properties) error {
|
|||
}
|
||||
}
|
||||
w.indent()
|
||||
if tm, ok := v.Interface().(encoding.TextMarshaler); ok {
|
||||
text, err := tm.MarshalText()
|
||||
if etm, ok := v.Interface().(encoding.TextMarshaler); ok {
|
||||
text, err := etm.MarshalText()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if _, err = w.Write(text); err != nil {
|
||||
return err
|
||||
}
|
||||
} else if err := writeStruct(w, v); err != nil {
|
||||
} else if err := tm.writeStruct(w, v); err != nil {
|
||||
return err
|
||||
}
|
||||
w.unindent()
|
||||
|
@ -601,19 +687,24 @@ func (s int32Slice) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
|
|||
|
||||
// writeExtensions writes all the extensions in pv.
|
||||
// pv is assumed to be a pointer to a protocol message struct that is extendable.
|
||||
func writeExtensions(w *textWriter, pv reflect.Value) error {
|
||||
func (tm *TextMarshaler) writeExtensions(w *textWriter, pv reflect.Value) error {
|
||||
emap := extensionMaps[pv.Type().Elem()]
|
||||
ep := pv.Interface().(extendableProto)
|
||||
ep, _ := extendable(pv.Interface())
|
||||
|
||||
// Order the extensions by ID.
|
||||
// This isn't strictly necessary, but it will give us
|
||||
// canonical output, which will also make testing easier.
|
||||
m := ep.ExtensionMap()
|
||||
m, mu := ep.extensionsRead()
|
||||
if m == nil {
|
||||
return nil
|
||||
}
|
||||
mu.Lock()
|
||||
ids := make([]int32, 0, len(m))
|
||||
for id := range m {
|
||||
ids = append(ids, id)
|
||||
}
|
||||
sort.Sort(int32Slice(ids))
|
||||
mu.Unlock()
|
||||
|
||||
for _, extNum := range ids {
|
||||
ext := m[extNum]
|
||||
|
@ -636,13 +727,13 @@ func writeExtensions(w *textWriter, pv reflect.Value) error {
|
|||
|
||||
// Repeated extensions will appear as a slice.
|
||||
if !desc.repeated() {
|
||||
if err := writeExtension(w, desc.Name, pb); err != nil {
|
||||
if err := tm.writeExtension(w, desc.Name, pb); err != nil {
|
||||
return err
|
||||
}
|
||||
} else {
|
||||
v := reflect.ValueOf(pb)
|
||||
for i := 0; i < v.Len(); i++ {
|
||||
if err := writeExtension(w, desc.Name, v.Index(i).Interface()); err != nil {
|
||||
if err := tm.writeExtension(w, desc.Name, v.Index(i).Interface()); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
@ -651,7 +742,7 @@ func writeExtensions(w *textWriter, pv reflect.Value) error {
|
|||
return nil
|
||||
}
|
||||
|
||||
func writeExtension(w *textWriter, name string, pb interface{}) error {
|
||||
func (tm *TextMarshaler) writeExtension(w *textWriter, name string, pb interface{}) error {
|
||||
if _, err := fmt.Fprintf(w, "[%s]:", name); err != nil {
|
||||
return err
|
||||
}
|
||||
|
@ -660,7 +751,7 @@ func writeExtension(w *textWriter, name string, pb interface{}) error {
|
|||
return err
|
||||
}
|
||||
}
|
||||
if err := writeAny(w, reflect.ValueOf(pb), nil); err != nil {
|
||||
if err := tm.writeAny(w, reflect.ValueOf(pb), nil); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := w.WriteByte('\n'); err != nil {
|
||||
|
@ -685,7 +776,15 @@ func (w *textWriter) writeIndent() {
|
|||
w.complete = false
|
||||
}
|
||||
|
||||
func marshalText(w io.Writer, pb Message, compact bool) error {
|
||||
// TextMarshaler is a configurable text format marshaler.
|
||||
type TextMarshaler struct {
|
||||
Compact bool // use compact text format (one line).
|
||||
ExpandAny bool // expand google.protobuf.Any messages of known types
|
||||
}
|
||||
|
||||
// Marshal writes a given protocol buffer in text format.
|
||||
// The only errors returned are from w.
|
||||
func (tm *TextMarshaler) Marshal(w io.Writer, pb Message) error {
|
||||
val := reflect.ValueOf(pb)
|
||||
if pb == nil || val.IsNil() {
|
||||
w.Write([]byte("<nil>"))
|
||||
|
@ -700,11 +799,11 @@ func marshalText(w io.Writer, pb Message, compact bool) error {
|
|||
aw := &textWriter{
|
||||
w: ww,
|
||||
complete: true,
|
||||
compact: compact,
|
||||
compact: tm.Compact,
|
||||
}
|
||||
|
||||
if tm, ok := pb.(encoding.TextMarshaler); ok {
|
||||
text, err := tm.MarshalText()
|
||||
if etm, ok := pb.(encoding.TextMarshaler); ok {
|
||||
text, err := etm.MarshalText()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
@ -718,7 +817,7 @@ func marshalText(w io.Writer, pb Message, compact bool) error {
|
|||
}
|
||||
// Dereference the received pointer so we don't have outer < and >.
|
||||
v := reflect.Indirect(val)
|
||||
if err := writeStruct(aw, v); err != nil {
|
||||
if err := tm.writeStruct(aw, v); err != nil {
|
||||
return err
|
||||
}
|
||||
if bw != nil {
|
||||
|
@ -727,25 +826,29 @@ func marshalText(w io.Writer, pb Message, compact bool) error {
|
|||
return nil
|
||||
}
|
||||
|
||||
// Text is the same as Marshal, but returns the string directly.
|
||||
func (tm *TextMarshaler) Text(pb Message) string {
|
||||
var buf bytes.Buffer
|
||||
tm.Marshal(&buf, pb)
|
||||
return buf.String()
|
||||
}
|
||||
|
||||
var (
|
||||
defaultTextMarshaler = TextMarshaler{}
|
||||
compactTextMarshaler = TextMarshaler{Compact: true}
|
||||
)
|
||||
|
||||
// TODO: consider removing some of the Marshal functions below.
|
||||
|
||||
// MarshalText writes a given protocol buffer in text format.
|
||||
// The only errors returned are from w.
|
||||
func MarshalText(w io.Writer, pb Message) error {
|
||||
return marshalText(w, pb, false)
|
||||
}
|
||||
func MarshalText(w io.Writer, pb Message) error { return defaultTextMarshaler.Marshal(w, pb) }
|
||||
|
||||
// MarshalTextString is the same as MarshalText, but returns the string directly.
|
||||
func MarshalTextString(pb Message) string {
|
||||
var buf bytes.Buffer
|
||||
marshalText(&buf, pb, false)
|
||||
return buf.String()
|
||||
}
|
||||
func MarshalTextString(pb Message) string { return defaultTextMarshaler.Text(pb) }
|
||||
|
||||
// CompactText writes a given protocol buffer in compact text format (one line).
|
||||
func CompactText(w io.Writer, pb Message) error { return marshalText(w, pb, true) }
|
||||
func CompactText(w io.Writer, pb Message) error { return compactTextMarshaler.Marshal(w, pb) }
|
||||
|
||||
// CompactTextString is the same as CompactText, but returns the string directly.
|
||||
func CompactTextString(pb Message) string {
|
||||
var buf bytes.Buffer
|
||||
marshalText(&buf, pb, true)
|
||||
return buf.String()
|
||||
}
|
||||
func CompactTextString(pb Message) string { return compactTextMarshaler.Text(pb) }
|
||||
|
|
|
@ -44,6 +44,9 @@ import (
|
|||
"unicode/utf8"
|
||||
)
|
||||
|
||||
// Error string emitted when deserializing Any and fields are already set
|
||||
const anyRepeatedlyUnpacked = "Any message unpacked multiple times, or %q already set"
|
||||
|
||||
type ParseError struct {
|
||||
Message string
|
||||
Line int // 1-based line number
|
||||
|
@ -119,6 +122,14 @@ func isWhitespace(c byte) bool {
|
|||
return false
|
||||
}
|
||||
|
||||
func isQuote(c byte) bool {
|
||||
switch c {
|
||||
case '"', '\'':
|
||||
return true
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func (p *textParser) skipWhitespace() {
|
||||
i := 0
|
||||
for i < len(p.s) && (isWhitespace(p.s[i]) || p.s[i] == '#') {
|
||||
|
@ -155,7 +166,7 @@ func (p *textParser) advance() {
|
|||
p.cur.offset, p.cur.line = p.offset, p.line
|
||||
p.cur.unquoted = ""
|
||||
switch p.s[0] {
|
||||
case '<', '>', '{', '}', ':', '[', ']', ';', ',':
|
||||
case '<', '>', '{', '}', ':', '[', ']', ';', ',', '/':
|
||||
// Single symbol
|
||||
p.cur.value, p.s = p.s[0:1], p.s[1:len(p.s)]
|
||||
case '"', '\'':
|
||||
|
@ -333,13 +344,13 @@ func (p *textParser) next() *token {
|
|||
p.advance()
|
||||
if p.done {
|
||||
p.cur.value = ""
|
||||
} else if len(p.cur.value) > 0 && p.cur.value[0] == '"' {
|
||||
} else if len(p.cur.value) > 0 && isQuote(p.cur.value[0]) {
|
||||
// Look for multiple quoted strings separated by whitespace,
|
||||
// and concatenate them.
|
||||
cat := p.cur
|
||||
for {
|
||||
p.skipWhitespace()
|
||||
if p.done || p.s[0] != '"' {
|
||||
if p.done || !isQuote(p.s[0]) {
|
||||
break
|
||||
}
|
||||
p.advance()
|
||||
|
@ -443,7 +454,10 @@ func (p *textParser) readStruct(sv reflect.Value, terminator string) error {
|
|||
fieldSet := make(map[string]bool)
|
||||
// A struct is a sequence of "name: value", terminated by one of
|
||||
// '>' or '}', or the end of the input. A name may also be
|
||||
// "[extension]".
|
||||
// "[extension]" or "[type/url]".
|
||||
//
|
||||
// The whole struct can also be an expanded Any message, like:
|
||||
// [type/url] < ... struct contents ... >
|
||||
for {
|
||||
tok := p.next()
|
||||
if tok.err != nil {
|
||||
|
@ -453,33 +467,74 @@ func (p *textParser) readStruct(sv reflect.Value, terminator string) error {
|
|||
break
|
||||
}
|
||||
if tok.value == "[" {
|
||||
// Looks like an extension.
|
||||
// Looks like an extension or an Any.
|
||||
//
|
||||
// TODO: Check whether we need to handle
|
||||
// namespace rooted names (e.g. ".something.Foo").
|
||||
tok = p.next()
|
||||
if tok.err != nil {
|
||||
return tok.err
|
||||
extName, err := p.consumeExtName()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if s := strings.LastIndex(extName, "/"); s >= 0 {
|
||||
// If it contains a slash, it's an Any type URL.
|
||||
messageName := extName[s+1:]
|
||||
mt := MessageType(messageName)
|
||||
if mt == nil {
|
||||
return p.errorf("unrecognized message %q in google.protobuf.Any", messageName)
|
||||
}
|
||||
tok = p.next()
|
||||
if tok.err != nil {
|
||||
return tok.err
|
||||
}
|
||||
// consume an optional colon
|
||||
if tok.value == ":" {
|
||||
tok = p.next()
|
||||
if tok.err != nil {
|
||||
return tok.err
|
||||
}
|
||||
}
|
||||
var terminator string
|
||||
switch tok.value {
|
||||
case "<":
|
||||
terminator = ">"
|
||||
case "{":
|
||||
terminator = "}"
|
||||
default:
|
||||
return p.errorf("expected '{' or '<', found %q", tok.value)
|
||||
}
|
||||
v := reflect.New(mt.Elem())
|
||||
if pe := p.readStruct(v.Elem(), terminator); pe != nil {
|
||||
return pe
|
||||
}
|
||||
b, err := Marshal(v.Interface().(Message))
|
||||
if err != nil {
|
||||
return p.errorf("failed to marshal message of type %q: %v", messageName, err)
|
||||
}
|
||||
if fieldSet["type_url"] {
|
||||
return p.errorf(anyRepeatedlyUnpacked, "type_url")
|
||||
}
|
||||
if fieldSet["value"] {
|
||||
return p.errorf(anyRepeatedlyUnpacked, "value")
|
||||
}
|
||||
sv.FieldByName("TypeUrl").SetString(extName)
|
||||
sv.FieldByName("Value").SetBytes(b)
|
||||
fieldSet["type_url"] = true
|
||||
fieldSet["value"] = true
|
||||
continue
|
||||
}
|
||||
|
||||
var desc *ExtensionDesc
|
||||
// This could be faster, but it's functional.
|
||||
// TODO: Do something smarter than a linear scan.
|
||||
for _, d := range RegisteredExtensions(reflect.New(st).Interface().(Message)) {
|
||||
if d.Name == tok.value {
|
||||
if d.Name == extName {
|
||||
desc = d
|
||||
break
|
||||
}
|
||||
}
|
||||
if desc == nil {
|
||||
return p.errorf("unrecognized extension %q", tok.value)
|
||||
}
|
||||
// Check the extension terminator.
|
||||
tok = p.next()
|
||||
if tok.err != nil {
|
||||
return tok.err
|
||||
}
|
||||
if tok.value != "]" {
|
||||
return p.errorf("unrecognized extension terminator %q", tok.value)
|
||||
return p.errorf("unrecognized extension %q", extName)
|
||||
}
|
||||
|
||||
props := &Properties{}
|
||||
|
@ -506,7 +561,7 @@ func (p *textParser) readStruct(sv reflect.Value, terminator string) error {
|
|||
}
|
||||
reqFieldErr = err
|
||||
}
|
||||
ep := sv.Addr().Interface().(extendableProto)
|
||||
ep := sv.Addr().Interface().(Message)
|
||||
if !rep {
|
||||
SetExtension(ep, desc, ext.Interface())
|
||||
} else {
|
||||
|
@ -537,7 +592,11 @@ func (p *textParser) readStruct(sv reflect.Value, terminator string) error {
|
|||
props = oop.Prop
|
||||
nv := reflect.New(oop.Type.Elem())
|
||||
dst = nv.Elem().Field(0)
|
||||
sv.Field(oop.Field).Set(nv)
|
||||
field := sv.Field(oop.Field)
|
||||
if !field.IsNil() {
|
||||
return p.errorf("field '%s' would overwrite already parsed oneof '%s'", name, sv.Type().Field(oop.Field).Name)
|
||||
}
|
||||
field.Set(nv)
|
||||
}
|
||||
if !dst.IsValid() {
|
||||
return p.errorf("unknown field name %q in %v", name, st)
|
||||
|
@ -558,8 +617,9 @@ func (p *textParser) readStruct(sv reflect.Value, terminator string) error {
|
|||
|
||||
// The map entry should be this sequence of tokens:
|
||||
// < key : KEY value : VALUE >
|
||||
// Technically the "key" and "value" could come in any order,
|
||||
// but in practice they won't.
|
||||
// However, implementations may omit key or value, and technically
|
||||
// we should support them in any order. See b/28924776 for a time
|
||||
// this went wrong.
|
||||
|
||||
tok := p.next()
|
||||
var terminator string
|
||||
|
@ -571,32 +631,39 @@ func (p *textParser) readStruct(sv reflect.Value, terminator string) error {
|
|||
default:
|
||||
return p.errorf("expected '{' or '<', found %q", tok.value)
|
||||
}
|
||||
if err := p.consumeToken("key"); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := p.consumeToken(":"); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := p.readAny(key, props.mkeyprop); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := p.consumeOptionalSeparator(); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := p.consumeToken("value"); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := p.checkForColon(props.mvalprop, dst.Type().Elem()); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := p.readAny(val, props.mvalprop); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := p.consumeOptionalSeparator(); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := p.consumeToken(terminator); err != nil {
|
||||
return err
|
||||
for {
|
||||
tok := p.next()
|
||||
if tok.err != nil {
|
||||
return tok.err
|
||||
}
|
||||
if tok.value == terminator {
|
||||
break
|
||||
}
|
||||
switch tok.value {
|
||||
case "key":
|
||||
if err := p.consumeToken(":"); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := p.readAny(key, props.mkeyprop); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := p.consumeOptionalSeparator(); err != nil {
|
||||
return err
|
||||
}
|
||||
case "value":
|
||||
if err := p.checkForColon(props.mvalprop, dst.Type().Elem()); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := p.readAny(val, props.mvalprop); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := p.consumeOptionalSeparator(); err != nil {
|
||||
return err
|
||||
}
|
||||
default:
|
||||
p.back()
|
||||
return p.errorf(`expected "key", "value", or %q, found %q`, terminator, tok.value)
|
||||
}
|
||||
}
|
||||
|
||||
dst.SetMapIndex(key, val)
|
||||
|
@ -619,7 +686,8 @@ func (p *textParser) readStruct(sv reflect.Value, terminator string) error {
|
|||
return err
|
||||
}
|
||||
reqFieldErr = err
|
||||
} else if props.Required {
|
||||
}
|
||||
if props.Required {
|
||||
reqCount--
|
||||
}
|
||||
|
||||
|
@ -635,6 +703,35 @@ func (p *textParser) readStruct(sv reflect.Value, terminator string) error {
|
|||
return reqFieldErr
|
||||
}
|
||||
|
||||
// consumeExtName consumes extension name or expanded Any type URL and the
|
||||
// following ']'. It returns the name or URL consumed.
|
||||
func (p *textParser) consumeExtName() (string, error) {
|
||||
tok := p.next()
|
||||
if tok.err != nil {
|
||||
return "", tok.err
|
||||
}
|
||||
|
||||
// If extension name or type url is quoted, it's a single token.
|
||||
if len(tok.value) > 2 && isQuote(tok.value[0]) && tok.value[len(tok.value)-1] == tok.value[0] {
|
||||
name, err := unquoteC(tok.value[1:len(tok.value)-1], rune(tok.value[0]))
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
return name, p.consumeToken("]")
|
||||
}
|
||||
|
||||
// Consume everything up to "]"
|
||||
var parts []string
|
||||
for tok.value != "]" {
|
||||
parts = append(parts, tok.value)
|
||||
tok = p.next()
|
||||
if tok.err != nil {
|
||||
return "", p.errorf("unrecognized type_url or extension name: %s", tok.err)
|
||||
}
|
||||
}
|
||||
return strings.Join(parts, ""), nil
|
||||
}
|
||||
|
||||
// consumeOptionalSeparator consumes an optional semicolon or comma.
|
||||
// It is used in readStruct to provide backward compatibility.
|
||||
func (p *textParser) consumeOptionalSeparator() error {
|
||||
|
@ -699,12 +796,12 @@ func (p *textParser) readAny(v reflect.Value, props *Properties) error {
|
|||
fv.Set(reflect.Append(fv, reflect.New(at.Elem()).Elem()))
|
||||
return p.readAny(fv.Index(fv.Len()-1), props)
|
||||
case reflect.Bool:
|
||||
// Either "true", "false", 1 or 0.
|
||||
// true/1/t/True or false/f/0/False.
|
||||
switch tok.value {
|
||||
case "true", "1":
|
||||
case "true", "1", "t", "True":
|
||||
fv.SetBool(true)
|
||||
return nil
|
||||
case "false", "0":
|
||||
case "false", "0", "f", "False":
|
||||
fv.SetBool(false)
|
||||
return nil
|
||||
}
|
||||
|
|
|
@ -33,9 +33,10 @@
|
|||
"revisionTime": "2016-12-02T21:35:00Z"
|
||||
},
|
||||
{
|
||||
"checksumSHA1": "kBeNcaKk56FguvPSUCEaH6AxpRc=",
|
||||
"path": "github.com/golang/protobuf/proto",
|
||||
"revision": "2402d76f3d41f928c7902a765dfc872356dd3aad",
|
||||
"revisionTime": "2016-01-06T12:58:00+11:00"
|
||||
"revision": "8ee79997227bf9b34611aee7946ae64735e6fd93",
|
||||
"revisionTime": "2016-11-17T03:31:26Z"
|
||||
},
|
||||
{
|
||||
"path": "github.com/kolo/xmlrpc",
|
||||
|
|
Loading…
Reference in New Issue