1 files changed, 264 insertions, 0 deletions
diff --git a/vendor/google.golang.org/protobuf/internal/impl/codec_field_opaque.go b/vendor/google.golang.org/protobuf/internal/impl/codec_field_opaque.go
new file mode 100644
index 000000000..76818ea25
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/internal/impl/codec_field_opaque.go
@@ -0,0 +1,264 @@
+// Copyright 2024 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 impl
+
+import (
+	"fmt"
+	"reflect"
+
+	"google.golang.org/protobuf/encoding/protowire"
+	"google.golang.org/protobuf/internal/errors"
+	"google.golang.org/protobuf/reflect/protoreflect"
+)
+
+func makeOpaqueMessageFieldCoder(fd protoreflect.FieldDescriptor, ft reflect.Type) (*MessageInfo, pointerCoderFuncs) {
+	mi := getMessageInfo(ft)
+	if mi == nil {
+		panic(fmt.Sprintf("invalid field: %v: unsupported message type %v", fd.FullName(), ft))
+	}
+	switch fd.Kind() {
+	case protoreflect.MessageKind:
+		return mi, pointerCoderFuncs{
+			size:      sizeOpaqueMessage,
+			marshal:   appendOpaqueMessage,
+			unmarshal: consumeOpaqueMessage,
+			isInit:    isInitOpaqueMessage,
+			merge:     mergeOpaqueMessage,
+		}
+	case protoreflect.GroupKind:
+		return mi, pointerCoderFuncs{
+			size:      sizeOpaqueGroup,
+			marshal:   appendOpaqueGroup,
+			unmarshal: consumeOpaqueGroup,
+			isInit:    isInitOpaqueMessage,
+			merge:     mergeOpaqueMessage,
+		}
+	}
+	panic("unexpected field kind")
+}
+
+func sizeOpaqueMessage(p pointer, f *coderFieldInfo, opts marshalOptions) (size int) {
+	return protowire.SizeBytes(f.mi.sizePointer(p.AtomicGetPointer(), opts)) + f.tagsize
+}
+
+func appendOpaqueMessage(b []byte, p pointer, f *coderFieldInfo, opts marshalOptions) ([]byte, error) {
+	mp := p.AtomicGetPointer()
+	calculatedSize := f.mi.sizePointer(mp, opts)
+	b = protowire.AppendVarint(b, f.wiretag)
+	b = protowire.AppendVarint(b, uint64(calculatedSize))
+	before := len(b)
+	b, err := f.mi.marshalAppendPointer(b, mp, opts)
+	if measuredSize := len(b) - before; calculatedSize != measuredSize && err == nil {
+		return nil, errors.MismatchedSizeCalculation(calculatedSize, measuredSize)
+	}
+	return b, err
+}
+
+func consumeOpaqueMessage(b []byte, p pointer, wtyp protowire.Type, f *coderFieldInfo, opts unmarshalOptions) (out unmarshalOutput, err error) {
+	if wtyp != protowire.BytesType {
+		return out, errUnknown
+	}
+	v, n := protowire.ConsumeBytes(b)
+	if n < 0 {
+		return out, errDecode
+	}
+	mp := p.AtomicGetPointer()
+	if mp.IsNil() {
+		mp = p.AtomicSetPointerIfNil(pointerOfValue(reflect.New(f.mi.GoReflectType.Elem())))
+	}
+	o, err := f.mi.unmarshalPointer(v, mp, 0, opts)
+	if err != nil {
+		return out, err
+	}
+	out.n = n
+	out.initialized = o.initialized
+	return out, nil
+}
+
+func isInitOpaqueMessage(p pointer, f *coderFieldInfo) error {
+	mp := p.AtomicGetPointer()
+	if mp.IsNil() {
+		return nil
+	}
+	return f.mi.checkInitializedPointer(mp)
+}
+
+func mergeOpaqueMessage(dst, src pointer, f *coderFieldInfo, opts mergeOptions) {
+	dstmp := dst.AtomicGetPointer()
+	if dstmp.IsNil() {
+		dstmp = dst.AtomicSetPointerIfNil(pointerOfValue(reflect.New(f.mi.GoReflectType.Elem())))
+	}
+	f.mi.mergePointer(dstmp, src.AtomicGetPointer(), opts)
+}
+
+func sizeOpaqueGroup(p pointer, f *coderFieldInfo, opts marshalOptions) (size int) {
+	return 2*f.tagsize + f.mi.sizePointer(p.AtomicGetPointer(), opts)
+}
+
+func appendOpaqueGroup(b []byte, p pointer, f *coderFieldInfo, opts marshalOptions) ([]byte, error) {
+	b = protowire.AppendVarint(b, f.wiretag) // start group
+	b, err := f.mi.marshalAppendPointer(b, p.AtomicGetPointer(), opts)
+	b = protowire.AppendVarint(b, f.wiretag+1) // end group
+	return b, err
+}
+
+func consumeOpaqueGroup(b []byte, p pointer, wtyp protowire.Type, f *coderFieldInfo, opts unmarshalOptions) (out unmarshalOutput, err error) {
+	if wtyp != protowire.StartGroupType {
+		return out, errUnknown
+	}
+	mp := p.AtomicGetPointer()
+	if mp.IsNil() {
+		mp = p.AtomicSetPointerIfNil(pointerOfValue(reflect.New(f.mi.GoReflectType.Elem())))
+	}
+	o, e := f.mi.unmarshalPointer(b, mp, f.num, opts)
+	return o, e
+}
+
+func makeOpaqueRepeatedMessageFieldCoder(fd protoreflect.FieldDescriptor, ft reflect.Type) (*MessageInfo, pointerCoderFuncs) {
+	if ft.Kind() != reflect.Ptr || ft.Elem().Kind() != reflect.Slice {
+		panic(fmt.Sprintf("invalid field: %v: unsupported type for opaque repeated message: %v", fd.FullName(), ft))
+	}
+	mt := ft.Elem().Elem() // *[]*T -> *T
+	mi := getMessageInfo(mt)
+	if mi == nil {
+		panic(fmt.Sprintf("invalid field: %v: unsupported message type %v", fd.FullName(), mt))
+	}
+	switch fd.Kind() {
+	case protoreflect.MessageKind:
+		return mi, pointerCoderFuncs{
+			size:      sizeOpaqueMessageSlice,
+			marshal:   appendOpaqueMessageSlice,
+			unmarshal: consumeOpaqueMessageSlice,
+			isInit:    isInitOpaqueMessageSlice,
+			merge:     mergeOpaqueMessageSlice,
+		}
+	case protoreflect.GroupKind:
+		return mi, pointerCoderFuncs{
+			size:      sizeOpaqueGroupSlice,
+			marshal:   appendOpaqueGroupSlice,
+			unmarshal: consumeOpaqueGroupSlice,
+			isInit:    isInitOpaqueMessageSlice,
+			merge:     mergeOpaqueMessageSlice,
+		}
+	}
+	panic("unexpected field kind")
+}
+
+func sizeOpaqueMessageSlice(p pointer, f *coderFieldInfo, opts marshalOptions) (size int) {
+	s := p.AtomicGetPointer().PointerSlice()
+	n := 0
+	for _, v := range s {
+		n += protowire.SizeBytes(f.mi.sizePointer(v, opts)) + f.tagsize
+	}
+	return n
+}
+
+func appendOpaqueMessageSlice(b []byte, p pointer, f *coderFieldInfo, opts marshalOptions) ([]byte, error) {
+	s := p.AtomicGetPointer().PointerSlice()
+	var err error
+	for _, v := range s {
+		b = protowire.AppendVarint(b, f.wiretag)
+		siz := f.mi.sizePointer(v, opts)
+		b = protowire.AppendVarint(b, uint64(siz))
+		before := len(b)
+		b, err = f.mi.marshalAppendPointer(b, v, opts)
+		if err != nil {
+			return b, err
+		}
+		if measuredSize := len(b) - before; siz != measuredSize {
+			return nil, errors.MismatchedSizeCalculation(siz, measuredSize)
+		}
+	}
+	return b, nil
+}
+
+func consumeOpaqueMessageSlice(b []byte, p pointer, wtyp protowire.Type, f *coderFieldInfo, opts unmarshalOptions) (out unmarshalOutput, err error) {
+	if wtyp != protowire.BytesType {
+		return out, errUnknown
+	}
+	v, n := protowire.ConsumeBytes(b)
+	if n < 0 {
+		return out, errDecode
+	}
+	mp := pointerOfValue(reflect.New(f.mi.GoReflectType.Elem()))
+	o, err := f.mi.unmarshalPointer(v, mp, 0, opts)
+	if err != nil {
+		return out, err
+	}
+	sp := p.AtomicGetPointer()
+	if sp.IsNil() {
+		sp = p.AtomicSetPointerIfNil(pointerOfValue(reflect.New(f.ft.Elem())))
+	}
+	sp.AppendPointerSlice(mp)
+	out.n = n
+	out.initialized = o.initialized
+	return out, nil
+}
+
+func isInitOpaqueMessageSlice(p pointer, f *coderFieldInfo) error {
+	sp := p.AtomicGetPointer()
+	if sp.IsNil() {
+		return nil
+	}
+	s := sp.PointerSlice()
+	for _, v := range s {
+		if err := f.mi.checkInitializedPointer(v); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func mergeOpaqueMessageSlice(dst, src pointer, f *coderFieldInfo, opts mergeOptions) {
+	ds := dst.AtomicGetPointer()
+	if ds.IsNil() {
+		ds = dst.AtomicSetPointerIfNil(pointerOfValue(reflect.New(f.ft.Elem())))
+	}
+	for _, sp := range src.AtomicGetPointer().PointerSlice() {
+		dm := pointerOfValue(reflect.New(f.mi.GoReflectType.Elem()))
+		f.mi.mergePointer(dm, sp, opts)
+		ds.AppendPointerSlice(dm)
+	}
+}
+
+func sizeOpaqueGroupSlice(p pointer, f *coderFieldInfo, opts marshalOptions) (size int) {
+	s := p.AtomicGetPointer().PointerSlice()
+	n := 0
+	for _, v := range s {
+		n += 2*f.tagsize + f.mi.sizePointer(v, opts)
+	}
+	return n
+}
+
+func appendOpaqueGroupSlice(b []byte, p pointer, f *coderFieldInfo, opts marshalOptions) ([]byte, error) {
+	s := p.AtomicGetPointer().PointerSlice()
+	var err error
+	for _, v := range s {
+		b = protowire.AppendVarint(b, f.wiretag) // start group
+		b, err = f.mi.marshalAppendPointer(b, v, opts)
+		if err != nil {
+			return b, err
+		}
+		b = protowire.AppendVarint(b, f.wiretag+1) // end group
+	}
+	return b, nil
+}
+
+func consumeOpaqueGroupSlice(b []byte, p pointer, wtyp protowire.Type, f *coderFieldInfo, opts unmarshalOptions) (out unmarshalOutput, err error) {
+	if wtyp != protowire.StartGroupType {
+		return out, errUnknown
+	}
+	mp := pointerOfValue(reflect.New(f.mi.GoReflectType.Elem()))
+	out, err = f.mi.unmarshalPointer(b, mp, f.num, opts)
+	if err != nil {
+		return out, err
+	}
+	sp := p.AtomicGetPointer()
+	if sp.IsNil() {
+		sp = p.AtomicSetPointerIfNil(pointerOfValue(reflect.New(f.ft.Elem())))
+	}
+	sp.AppendPointerSlice(mp)
+	return out, err
+}