mirror of
https://github.com/cwinfo/matterbridge.git
synced 2024-12-27 10:05:39 +00:00
94 lines
3.0 KiB
Go
94 lines
3.0 KiB
Go
// 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/internal/order"
|
|
"google.golang.org/protobuf/reflect/protoreflect"
|
|
"google.golang.org/protobuf/reflect/protoregistry"
|
|
)
|
|
|
|
func (o MarshalOptions) 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(o.size(v.Message()))
|
|
return true
|
|
})
|
|
size += messageset.SizeUnknown(m.GetUnknown())
|
|
return size
|
|
}
|
|
|
|
func (o MarshalOptions) marshalMessageSet(b []byte, m protoreflect.Message) ([]byte, error) {
|
|
if !flags.ProtoLegacy {
|
|
return b, errors.New("no support for message_set_wire_format")
|
|
}
|
|
fieldOrder := order.AnyFieldOrder
|
|
if o.Deterministic {
|
|
fieldOrder = order.NumberFieldOrder
|
|
}
|
|
var err error
|
|
order.RangeFields(m, fieldOrder, func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
|
|
b, err = o.marshalMessageSetField(b, fd, v)
|
|
return err == nil
|
|
})
|
|
if err != nil {
|
|
return b, err
|
|
}
|
|
return messageset.AppendUnknown(b, m.GetUnknown())
|
|
}
|
|
|
|
func (o MarshalOptions) marshalMessageSetField(b []byte, fd protoreflect.FieldDescriptor, value protoreflect.Value) ([]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 (o UnmarshalOptions) unmarshalMessageSet(b []byte, m protoreflect.Message) 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 := o.unmarshalMessageSetField(m, num, v)
|
|
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 (o UnmarshalOptions) unmarshalMessageSetField(m protoreflect.Message, num protowire.Number, v []byte) 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
|
|
}
|