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author | Wim <wim@42.be> | 2020-08-10 00:29:54 +0200 |
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committer | GitHub <noreply@github.com> | 2020-08-10 00:29:54 +0200 |
commit | 4e50fd864921c556988c919269448efdb90fa961 (patch) | |
tree | a3625f03f8de3c4f3841364000a4ea3aa42c1533 /vendor/google.golang.org/protobuf/proto/messageset.go | |
parent | dfdffa0027334e55ce213fc6eb62206dbf48baf6 (diff) | |
download | matterbridge-msglm-4e50fd864921c556988c919269448efdb90fa961.tar.gz matterbridge-msglm-4e50fd864921c556988c919269448efdb90fa961.tar.bz2 matterbridge-msglm-4e50fd864921c556988c919269448efdb90fa961.zip |
Use mattermost v5 module (#1192)
Diffstat (limited to 'vendor/google.golang.org/protobuf/proto/messageset.go')
-rw-r--r-- | vendor/google.golang.org/protobuf/proto/messageset.go | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/vendor/google.golang.org/protobuf/proto/messageset.go b/vendor/google.golang.org/protobuf/proto/messageset.go new file mode 100644 index 00000000..b6b3de59 --- /dev/null +++ b/vendor/google.golang.org/protobuf/proto/messageset.go @@ -0,0 +1,88 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package proto + +import ( + "google.golang.org/protobuf/encoding/protowire" + "google.golang.org/protobuf/internal/encoding/messageset" + "google.golang.org/protobuf/internal/errors" + "google.golang.org/protobuf/internal/flags" + "google.golang.org/protobuf/reflect/protoreflect" + "google.golang.org/protobuf/reflect/protoregistry" +) + +func sizeMessageSet(m protoreflect.Message) (size int) { + m.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool { + size += messageset.SizeField(fd.Number()) + size += protowire.SizeTag(messageset.FieldMessage) + size += protowire.SizeBytes(sizeMessage(v.Message())) + return true + }) + size += messageset.SizeUnknown(m.GetUnknown()) + return size +} + +func marshalMessageSet(b []byte, m protoreflect.Message, o MarshalOptions) ([]byte, error) { + if !flags.ProtoLegacy { + return b, errors.New("no support for message_set_wire_format") + } + var err error + o.rangeFields(m, func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool { + b, err = marshalMessageSetField(b, fd, v, o) + return err == nil + }) + if err != nil { + return b, err + } + return messageset.AppendUnknown(b, m.GetUnknown()) +} + +func marshalMessageSetField(b []byte, fd protoreflect.FieldDescriptor, value protoreflect.Value, o MarshalOptions) ([]byte, error) { + b = messageset.AppendFieldStart(b, fd.Number()) + b = protowire.AppendTag(b, messageset.FieldMessage, protowire.BytesType) + b = protowire.AppendVarint(b, uint64(o.Size(value.Message().Interface()))) + b, err := o.marshalMessage(b, value.Message()) + if err != nil { + return b, err + } + b = messageset.AppendFieldEnd(b) + return b, nil +} + +func unmarshalMessageSet(b []byte, m protoreflect.Message, o UnmarshalOptions) error { + if !flags.ProtoLegacy { + return errors.New("no support for message_set_wire_format") + } + return messageset.Unmarshal(b, false, func(num protowire.Number, v []byte) error { + err := unmarshalMessageSetField(m, num, v, o) + if err == errUnknown { + unknown := m.GetUnknown() + unknown = protowire.AppendTag(unknown, num, protowire.BytesType) + unknown = protowire.AppendBytes(unknown, v) + m.SetUnknown(unknown) + return nil + } + return err + }) +} + +func unmarshalMessageSetField(m protoreflect.Message, num protowire.Number, v []byte, o UnmarshalOptions) error { + md := m.Descriptor() + if !md.ExtensionRanges().Has(num) { + return errUnknown + } + xt, err := o.Resolver.FindExtensionByNumber(md.FullName(), num) + if err == protoregistry.NotFound { + return errUnknown + } + if err != nil { + return errors.New("%v: unable to resolve extension %v: %v", md.FullName(), num, err) + } + xd := xt.TypeDescriptor() + if err := o.unmarshalMessage(v, m.Mutable(xd).Message()); err != nil { + return err + } + return nil +} |