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-rw-r--r--vendor/github.com/golang/protobuf/proto/table_marshal.go2767
1 files changed, 2767 insertions, 0 deletions
diff --git a/vendor/github.com/golang/protobuf/proto/table_marshal.go b/vendor/github.com/golang/protobuf/proto/table_marshal.go
new file mode 100644
index 00000000..b1679449
--- /dev/null
+++ b/vendor/github.com/golang/protobuf/proto/table_marshal.go
@@ -0,0 +1,2767 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2016 The Go Authors. All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package proto
+
+import (
+ "errors"
+ "fmt"
+ "math"
+ "reflect"
+ "sort"
+ "strconv"
+ "strings"
+ "sync"
+ "sync/atomic"
+ "unicode/utf8"
+)
+
+// a sizer takes a pointer to a field and the size of its tag, computes the size of
+// the encoded data.
+type sizer func(pointer, int) int
+
+// a marshaler takes a byte slice, a pointer to a field, and its tag (in wire format),
+// marshals the field to the end of the slice, returns the slice and error (if any).
+type marshaler func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error)
+
+// marshalInfo is the information used for marshaling a message.
+type marshalInfo struct {
+ typ reflect.Type
+ fields []*marshalFieldInfo
+ unrecognized field // offset of XXX_unrecognized
+ extensions field // offset of XXX_InternalExtensions
+ v1extensions field // offset of XXX_extensions
+ sizecache field // offset of XXX_sizecache
+ initialized int32 // 0 -- only typ is set, 1 -- fully initialized
+ messageset bool // uses message set wire format
+ hasmarshaler bool // has custom marshaler
+ sync.RWMutex // protect extElems map, also for initialization
+ extElems map[int32]*marshalElemInfo // info of extension elements
+}
+
+// marshalFieldInfo is the information used for marshaling a field of a message.
+type marshalFieldInfo struct {
+ field field
+ wiretag uint64 // tag in wire format
+ tagsize int // size of tag in wire format
+ sizer sizer
+ marshaler marshaler
+ isPointer bool
+ required bool // field is required
+ name string // name of the field, for error reporting
+ oneofElems map[reflect.Type]*marshalElemInfo // info of oneof elements
+}
+
+// marshalElemInfo is the information used for marshaling an extension or oneof element.
+type marshalElemInfo struct {
+ wiretag uint64 // tag in wire format
+ tagsize int // size of tag in wire format
+ sizer sizer
+ marshaler marshaler
+ isptr bool // elem is pointer typed, thus interface of this type is a direct interface (extension only)
+}
+
+var (
+ marshalInfoMap = map[reflect.Type]*marshalInfo{}
+ marshalInfoLock sync.Mutex
+)
+
+// getMarshalInfo returns the information to marshal a given type of message.
+// The info it returns may not necessarily initialized.
+// t is the type of the message (NOT the pointer to it).
+func getMarshalInfo(t reflect.Type) *marshalInfo {
+ marshalInfoLock.Lock()
+ u, ok := marshalInfoMap[t]
+ if !ok {
+ u = &marshalInfo{typ: t}
+ marshalInfoMap[t] = u
+ }
+ marshalInfoLock.Unlock()
+ return u
+}
+
+// Size is the entry point from generated code,
+// and should be ONLY called by generated code.
+// It computes the size of encoded data of msg.
+// a is a pointer to a place to store cached marshal info.
+func (a *InternalMessageInfo) Size(msg Message) int {
+ u := getMessageMarshalInfo(msg, a)
+ ptr := toPointer(&msg)
+ if ptr.isNil() {
+ // We get here if msg is a typed nil ((*SomeMessage)(nil)),
+ // so it satisfies the interface, and msg == nil wouldn't
+ // catch it. We don't want crash in this case.
+ return 0
+ }
+ return u.size(ptr)
+}
+
+// Marshal is the entry point from generated code,
+// and should be ONLY called by generated code.
+// It marshals msg to the end of b.
+// a is a pointer to a place to store cached marshal info.
+func (a *InternalMessageInfo) Marshal(b []byte, msg Message, deterministic bool) ([]byte, error) {
+ u := getMessageMarshalInfo(msg, a)
+ ptr := toPointer(&msg)
+ if ptr.isNil() {
+ // We get here if msg is a typed nil ((*SomeMessage)(nil)),
+ // so it satisfies the interface, and msg == nil wouldn't
+ // catch it. We don't want crash in this case.
+ return b, ErrNil
+ }
+ return u.marshal(b, ptr, deterministic)
+}
+
+func getMessageMarshalInfo(msg interface{}, a *InternalMessageInfo) *marshalInfo {
+ // u := a.marshal, but atomically.
+ // We use an atomic here to ensure memory consistency.
+ u := atomicLoadMarshalInfo(&a.marshal)
+ if u == nil {
+ // Get marshal information from type of message.
+ t := reflect.ValueOf(msg).Type()
+ if t.Kind() != reflect.Ptr {
+ panic(fmt.Sprintf("cannot handle non-pointer message type %v", t))
+ }
+ u = getMarshalInfo(t.Elem())
+ // Store it in the cache for later users.
+ // a.marshal = u, but atomically.
+ atomicStoreMarshalInfo(&a.marshal, u)
+ }
+ return u
+}
+
+// size is the main function to compute the size of the encoded data of a message.
+// ptr is the pointer to the message.
+func (u *marshalInfo) size(ptr pointer) int {
+ if atomic.LoadInt32(&u.initialized) == 0 {
+ u.computeMarshalInfo()
+ }
+
+ // If the message can marshal itself, let it do it, for compatibility.
+ // NOTE: This is not efficient.
+ if u.hasmarshaler {
+ m := ptr.asPointerTo(u.typ).Interface().(Marshaler)
+ b, _ := m.Marshal()
+ return len(b)
+ }
+
+ n := 0
+ for _, f := range u.fields {
+ if f.isPointer && ptr.offset(f.field).getPointer().isNil() {
+ // nil pointer always marshals to nothing
+ continue
+ }
+ n += f.sizer(ptr.offset(f.field), f.tagsize)
+ }
+ if u.extensions.IsValid() {
+ e := ptr.offset(u.extensions).toExtensions()
+ if u.messageset {
+ n += u.sizeMessageSet(e)
+ } else {
+ n += u.sizeExtensions(e)
+ }
+ }
+ if u.v1extensions.IsValid() {
+ m := *ptr.offset(u.v1extensions).toOldExtensions()
+ n += u.sizeV1Extensions(m)
+ }
+ if u.unrecognized.IsValid() {
+ s := *ptr.offset(u.unrecognized).toBytes()
+ n += len(s)
+ }
+ // cache the result for use in marshal
+ if u.sizecache.IsValid() {
+ atomic.StoreInt32(ptr.offset(u.sizecache).toInt32(), int32(n))
+ }
+ return n
+}
+
+// cachedsize gets the size from cache. If there is no cache (i.e. message is not generated),
+// fall back to compute the size.
+func (u *marshalInfo) cachedsize(ptr pointer) int {
+ if u.sizecache.IsValid() {
+ return int(atomic.LoadInt32(ptr.offset(u.sizecache).toInt32()))
+ }
+ return u.size(ptr)
+}
+
+// marshal is the main function to marshal a message. It takes a byte slice and appends
+// the encoded data to the end of the slice, returns the slice and error (if any).
+// ptr is the pointer to the message.
+// If deterministic is true, map is marshaled in deterministic order.
+func (u *marshalInfo) marshal(b []byte, ptr pointer, deterministic bool) ([]byte, error) {
+ if atomic.LoadInt32(&u.initialized) == 0 {
+ u.computeMarshalInfo()
+ }
+
+ // If the message can marshal itself, let it do it, for compatibility.
+ // NOTE: This is not efficient.
+ if u.hasmarshaler {
+ m := ptr.asPointerTo(u.typ).Interface().(Marshaler)
+ b1, err := m.Marshal()
+ b = append(b, b1...)
+ return b, err
+ }
+
+ var err, errLater error
+ // The old marshaler encodes extensions at beginning.
+ if u.extensions.IsValid() {
+ e := ptr.offset(u.extensions).toExtensions()
+ if u.messageset {
+ b, err = u.appendMessageSet(b, e, deterministic)
+ } else {
+ b, err = u.appendExtensions(b, e, deterministic)
+ }
+ if err != nil {
+ return b, err
+ }
+ }
+ if u.v1extensions.IsValid() {
+ m := *ptr.offset(u.v1extensions).toOldExtensions()
+ b, err = u.appendV1Extensions(b, m, deterministic)
+ if err != nil {
+ return b, err
+ }
+ }
+ for _, f := range u.fields {
+ if f.required {
+ if ptr.offset(f.field).getPointer().isNil() {
+ // Required field is not set.
+ // We record the error but keep going, to give a complete marshaling.
+ if errLater == nil {
+ errLater = &RequiredNotSetError{f.name}
+ }
+ continue
+ }
+ }
+ if f.isPointer && ptr.offset(f.field).getPointer().isNil() {
+ // nil pointer always marshals to nothing
+ continue
+ }
+ b, err = f.marshaler(b, ptr.offset(f.field), f.wiretag, deterministic)
+ if err != nil {
+ if err1, ok := err.(*RequiredNotSetError); ok {
+ // Required field in submessage is not set.
+ // We record the error but keep going, to give a complete marshaling.
+ if errLater == nil {
+ errLater = &RequiredNotSetError{f.name + "." + err1.field}
+ }
+ continue
+ }
+ if err == errRepeatedHasNil {
+ err = errors.New("proto: repeated field " + f.name + " has nil element")
+ }
+ if err == errInvalidUTF8 {
+ if errLater == nil {
+ fullName := revProtoTypes[reflect.PtrTo(u.typ)] + "." + f.name
+ errLater = &invalidUTF8Error{fullName}
+ }
+ continue
+ }
+ return b, err
+ }
+ }
+ if u.unrecognized.IsValid() {
+ s := *ptr.offset(u.unrecognized).toBytes()
+ b = append(b, s...)
+ }
+ return b, errLater
+}
+
+// computeMarshalInfo initializes the marshal info.
+func (u *marshalInfo) computeMarshalInfo() {
+ u.Lock()
+ defer u.Unlock()
+ if u.initialized != 0 { // non-atomic read is ok as it is protected by the lock
+ return
+ }
+
+ t := u.typ
+ u.unrecognized = invalidField
+ u.extensions = invalidField
+ u.v1extensions = invalidField
+ u.sizecache = invalidField
+
+ // If the message can marshal itself, let it do it, for compatibility.
+ // NOTE: This is not efficient.
+ if reflect.PtrTo(t).Implements(marshalerType) {
+ u.hasmarshaler = true
+ atomic.StoreInt32(&u.initialized, 1)
+ return
+ }
+
+ // get oneof implementers
+ var oneofImplementers []interface{}
+ if m, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); ok {
+ _, _, _, oneofImplementers = m.XXX_OneofFuncs()
+ }
+
+ n := t.NumField()
+
+ // deal with XXX fields first
+ for i := 0; i < t.NumField(); i++ {
+ f := t.Field(i)
+ if !strings.HasPrefix(f.Name, "XXX_") {
+ continue
+ }
+ switch f.Name {
+ case "XXX_sizecache":
+ u.sizecache = toField(&f)
+ case "XXX_unrecognized":
+ u.unrecognized = toField(&f)
+ case "XXX_InternalExtensions":
+ u.extensions = toField(&f)
+ u.messageset = f.Tag.Get("protobuf_messageset") == "1"
+ case "XXX_extensions":
+ u.v1extensions = toField(&f)
+ case "XXX_NoUnkeyedLiteral":
+ // nothing to do
+ default:
+ panic("unknown XXX field: " + f.Name)
+ }
+ n--
+ }
+
+ // normal fields
+ fields := make([]marshalFieldInfo, n) // batch allocation
+ u.fields = make([]*marshalFieldInfo, 0, n)
+ for i, j := 0, 0; i < t.NumField(); i++ {
+ f := t.Field(i)
+
+ if strings.HasPrefix(f.Name, "XXX_") {
+ continue
+ }
+ field := &fields[j]
+ j++
+ field.name = f.Name
+ u.fields = append(u.fields, field)
+ if f.Tag.Get("protobuf_oneof") != "" {
+ field.computeOneofFieldInfo(&f, oneofImplementers)
+ continue
+ }
+ if f.Tag.Get("protobuf") == "" {
+ // field has no tag (not in generated message), ignore it
+ u.fields = u.fields[:len(u.fields)-1]
+ j--
+ continue
+ }
+ field.computeMarshalFieldInfo(&f)
+ }
+
+ // fields are marshaled in tag order on the wire.
+ sort.Sort(byTag(u.fields))
+
+ atomic.StoreInt32(&u.initialized, 1)
+}
+
+// helper for sorting fields by tag
+type byTag []*marshalFieldInfo
+
+func (a byTag) Len() int { return len(a) }
+func (a byTag) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
+func (a byTag) Less(i, j int) bool { return a[i].wiretag < a[j].wiretag }
+
+// getExtElemInfo returns the information to marshal an extension element.
+// The info it returns is initialized.
+func (u *marshalInfo) getExtElemInfo(desc *ExtensionDesc) *marshalElemInfo {
+ // get from cache first
+ u.RLock()
+ e, ok := u.extElems[desc.Field]
+ u.RUnlock()
+ if ok {
+ return e
+ }
+
+ t := reflect.TypeOf(desc.ExtensionType) // pointer or slice to basic type or struct
+ tags := strings.Split(desc.Tag, ",")
+ tag, err := strconv.Atoi(tags[1])
+ if err != nil {
+ panic("tag is not an integer")
+ }
+ wt := wiretype(tags[0])
+ sizer, marshaler := typeMarshaler(t, tags, false, false)
+ e = &marshalElemInfo{
+ wiretag: uint64(tag)<<3 | wt,
+ tagsize: SizeVarint(uint64(tag) << 3),
+ sizer: sizer,
+ marshaler: marshaler,
+ isptr: t.Kind() == reflect.Ptr,
+ }
+
+ // update cache
+ u.Lock()
+ if u.extElems == nil {
+ u.extElems = make(map[int32]*marshalElemInfo)
+ }
+ u.extElems[desc.Field] = e
+ u.Unlock()
+ return e
+}
+
+// computeMarshalFieldInfo fills up the information to marshal a field.
+func (fi *marshalFieldInfo) computeMarshalFieldInfo(f *reflect.StructField) {
+ // parse protobuf tag of the field.
+ // tag has format of "bytes,49,opt,name=foo,def=hello!"
+ tags := strings.Split(f.Tag.Get("protobuf"), ",")
+ if tags[0] == "" {
+ return
+ }
+ tag, err := strconv.Atoi(tags[1])
+ if err != nil {
+ panic("tag is not an integer")
+ }
+ wt := wiretype(tags[0])
+ if tags[2] == "req" {
+ fi.required = true
+ }
+ fi.setTag(f, tag, wt)
+ fi.setMarshaler(f, tags)
+}
+
+func (fi *marshalFieldInfo) computeOneofFieldInfo(f *reflect.StructField, oneofImplementers []interface{}) {
+ fi.field = toField(f)
+ fi.wiretag = 1<<31 - 1 // Use a large tag number, make oneofs sorted at the end. This tag will not appear on the wire.
+ fi.isPointer = true
+ fi.sizer, fi.marshaler = makeOneOfMarshaler(fi, f)
+ fi.oneofElems = make(map[reflect.Type]*marshalElemInfo)
+
+ ityp := f.Type // interface type
+ for _, o := range oneofImplementers {
+ t := reflect.TypeOf(o)
+ if !t.Implements(ityp) {
+ continue
+ }
+ sf := t.Elem().Field(0) // oneof implementer is a struct with a single field
+ tags := strings.Split(sf.Tag.Get("protobuf"), ",")
+ tag, err := strconv.Atoi(tags[1])
+ if err != nil {
+ panic("tag is not an integer")
+ }
+ wt := wiretype(tags[0])
+ sizer, marshaler := typeMarshaler(sf.Type, tags, false, true) // oneof should not omit any zero value
+ fi.oneofElems[t.Elem()] = &marshalElemInfo{
+ wiretag: uint64(tag)<<3 | wt,
+ tagsize: SizeVarint(uint64(tag) << 3),
+ sizer: sizer,
+ marshaler: marshaler,
+ }
+ }
+}
+
+type oneofMessage interface {
+ XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{})
+}
+
+// wiretype returns the wire encoding of the type.
+func wiretype(encoding string) uint64 {
+ switch encoding {
+ case "fixed32":
+ return WireFixed32
+ case "fixed64":
+ return WireFixed64
+ case "varint", "zigzag32", "zigzag64":
+ return WireVarint
+ case "bytes":
+ return WireBytes
+ case "group":
+ return WireStartGroup
+ }
+ panic("unknown wire type " + encoding)
+}
+
+// setTag fills up the tag (in wire format) and its size in the info of a field.
+func (fi *marshalFieldInfo) setTag(f *reflect.StructField, tag int, wt uint64) {
+ fi.field = toField(f)
+ fi.wiretag = uint64(tag)<<3 | wt
+ fi.tagsize = SizeVarint(uint64(tag) << 3)
+}
+
+// setMarshaler fills up the sizer and marshaler in the info of a field.
+func (fi *marshalFieldInfo) setMarshaler(f *reflect.StructField, tags []string) {
+ switch f.Type.Kind() {
+ case reflect.Map:
+ // map field
+ fi.isPointer = true
+ fi.sizer, fi.marshaler = makeMapMarshaler(f)
+ return
+ case reflect.Ptr, reflect.Slice:
+ fi.isPointer = true
+ }
+ fi.sizer, fi.marshaler = typeMarshaler(f.Type, tags, true, false)
+}
+
+// typeMarshaler returns the sizer and marshaler of a given field.
+// t is the type of the field.
+// tags is the generated "protobuf" tag of the field.
+// If nozero is true, zero value is not marshaled to the wire.
+// If oneof is true, it is a oneof field.
+func typeMarshaler(t reflect.Type, tags []string, nozero, oneof bool) (sizer, marshaler) {
+ encoding := tags[0]
+
+ pointer := false
+ slice := false
+ if t.Kind() == reflect.Slice && t.Elem().Kind() != reflect.Uint8 {
+ slice = true
+ t = t.Elem()
+ }
+ if t.Kind() == reflect.Ptr {
+ pointer = true
+ t = t.Elem()
+ }
+
+ packed := false
+ proto3 := false
+ validateUTF8 := true
+ for i := 2; i < len(tags); i++ {
+ if tags[i] == "packed" {
+ packed = true
+ }
+ if tags[i] == "proto3" {
+ proto3 = true
+ }
+ }
+ validateUTF8 = validateUTF8 && proto3
+
+ switch t.Kind() {
+ case reflect.Bool:
+ if pointer {
+ return sizeBoolPtr, appendBoolPtr
+ }
+ if slice {
+ if packed {
+ return sizeBoolPackedSlice, appendBoolPackedSlice
+ }
+ return sizeBoolSlice, appendBoolSlice
+ }
+ if nozero {
+ return sizeBoolValueNoZero, appendBoolValueNoZero
+ }
+ return sizeBoolValue, appendBoolValue
+ case reflect.Uint32:
+ switch encoding {
+ case "fixed32":
+ if pointer {
+ return sizeFixed32Ptr, appendFixed32Ptr
+ }
+ if slice {
+ if packed {
+ return sizeFixed32PackedSlice, appendFixed32PackedSlice
+ }
+ return sizeFixed32Slice, appendFixed32Slice
+ }
+ if nozero {
+ return sizeFixed32ValueNoZero, appendFixed32ValueNoZero
+ }
+ return sizeFixed32Value, appendFixed32Value
+ case "varint":
+ if pointer {
+ return sizeVarint32Ptr, appendVarint32Ptr
+ }
+ if slice {
+ if packed {
+ return sizeVarint32PackedSlice, appendVarint32PackedSlice
+ }
+ return sizeVarint32Slice, appendVarint32Slice
+ }
+ if nozero {
+ return sizeVarint32ValueNoZero, appendVarint32ValueNoZero
+ }
+ return sizeVarint32Value, appendVarint32Value
+ }
+ case reflect.Int32:
+ switch encoding {
+ case "fixed32":
+ if pointer {
+ return sizeFixedS32Ptr, appendFixedS32Ptr
+ }
+ if slice {
+ if packed {
+ return sizeFixedS32PackedSlice, appendFixedS32PackedSlice
+ }
+ return sizeFixedS32Slice, appendFixedS32Slice
+ }
+ if nozero {
+ return sizeFixedS32ValueNoZero, appendFixedS32ValueNoZero
+ }
+ return sizeFixedS32Value, appendFixedS32Value
+ case "varint":
+ if pointer {
+ return sizeVarintS32Ptr, appendVarintS32Ptr
+ }
+ if slice {
+ if packed {
+ return sizeVarintS32PackedSlice, appendVarintS32PackedSlice
+ }
+ return sizeVarintS32Slice, appendVarintS32Slice
+ }
+ if nozero {
+ return sizeVarintS32ValueNoZero, appendVarintS32ValueNoZero
+ }
+ return sizeVarintS32Value, appendVarintS32Value
+ case "zigzag32":
+ if pointer {
+ return sizeZigzag32Ptr, appendZigzag32Ptr
+ }
+ if slice {
+ if packed {
+ return sizeZigzag32PackedSlice, appendZigzag32PackedSlice
+ }
+ return sizeZigzag32Slice, appendZigzag32Slice
+ }
+ if nozero {
+ return sizeZigzag32ValueNoZero, appendZigzag32ValueNoZero
+ }
+ return sizeZigzag32Value, appendZigzag32Value
+ }
+ case reflect.Uint64:
+ switch encoding {
+ case "fixed64":
+ if pointer {
+ return sizeFixed64Ptr, appendFixed64Ptr
+ }
+ if slice {
+ if packed {
+ return sizeFixed64PackedSlice, appendFixed64PackedSlice
+ }
+ return sizeFixed64Slice, appendFixed64Slice
+ }
+ if nozero {
+ return sizeFixed64ValueNoZero, appendFixed64ValueNoZero
+ }
+ return sizeFixed64Value, appendFixed64Value
+ case "varint":
+ if pointer {
+ return sizeVarint64Ptr, appendVarint64Ptr
+ }
+ if slice {
+ if packed {
+ return sizeVarint64PackedSlice, appendVarint64PackedSlice
+ }
+ return sizeVarint64Slice, appendVarint64Slice
+ }
+ if nozero {
+ return sizeVarint64ValueNoZero, appendVarint64ValueNoZero
+ }
+ return sizeVarint64Value, appendVarint64Value
+ }
+ case reflect.Int64:
+ switch encoding {
+ case "fixed64":
+ if pointer {
+ return sizeFixedS64Ptr, appendFixedS64Ptr
+ }
+ if slice {
+ if packed {
+ return sizeFixedS64PackedSlice, appendFixedS64PackedSlice
+ }
+ return sizeFixedS64Slice, appendFixedS64Slice
+ }
+ if nozero {
+ return sizeFixedS64ValueNoZero, appendFixedS64ValueNoZero
+ }
+ return sizeFixedS64Value, appendFixedS64Value
+ case "varint":
+ if pointer {
+ return sizeVarintS64Ptr, appendVarintS64Ptr
+ }
+ if slice {
+ if packed {
+ return sizeVarintS64PackedSlice, appendVarintS64PackedSlice
+ }
+ return sizeVarintS64Slice, appendVarintS64Slice
+ }
+ if nozero {
+ return sizeVarintS64ValueNoZero, appendVarintS64ValueNoZero
+ }
+ return sizeVarintS64Value, appendVarintS64Value
+ case "zigzag64":
+ if pointer {
+ return sizeZigzag64Ptr, appendZigzag64Ptr
+ }
+ if slice {
+ if packed {
+ return sizeZigzag64PackedSlice, appendZigzag64PackedSlice
+ }
+ return sizeZigzag64Slice, appendZigzag64Slice
+ }
+ if nozero {
+ return sizeZigzag64ValueNoZero, appendZigzag64ValueNoZero
+ }
+ return sizeZigzag64Value, appendZigzag64Value
+ }
+ case reflect.Float32:
+ if pointer {
+ return sizeFloat32Ptr, appendFloat32Ptr
+ }
+ if slice {
+ if packed {
+ return sizeFloat32PackedSlice, appendFloat32PackedSlice
+ }
+ return sizeFloat32Slice, appendFloat32Slice
+ }
+ if nozero {
+ return sizeFloat32ValueNoZero, appendFloat32ValueNoZero
+ }
+ return sizeFloat32Value, appendFloat32Value
+ case reflect.Float64:
+ if pointer {
+ return sizeFloat64Ptr, appendFloat64Ptr
+ }
+ if slice {
+ if packed {
+ return sizeFloat64PackedSlice, appendFloat64PackedSlice
+ }
+ return sizeFloat64Slice, appendFloat64Slice
+ }
+ if nozero {
+ return sizeFloat64ValueNoZero, appendFloat64ValueNoZero
+ }
+ return sizeFloat64Value, appendFloat64Value
+ case reflect.String:
+ if validateUTF8 {
+ if pointer {
+ return sizeStringPtr, appendUTF8StringPtr
+ }
+ if slice {
+ return sizeStringSlice, appendUTF8StringSlice
+ }
+ if nozero {
+ return sizeStringValueNoZero, appendUTF8StringValueNoZero
+ }
+ return sizeStringValue, appendUTF8StringValue
+ }
+ if pointer {
+ return sizeStringPtr, appendStringPtr
+ }
+ if slice {
+ return sizeStringSlice, appendStringSlice
+ }
+ if nozero {
+ return sizeStringValueNoZero, appendStringValueNoZero
+ }
+ return sizeStringValue, appendStringValue
+ case reflect.Slice:
+ if slice {
+ return sizeBytesSlice, appendBytesSlice
+ }
+ if oneof {
+ // Oneof bytes field may also have "proto3" tag.
+ // We want to marshal it as a oneof field. Do this
+ // check before the proto3 check.
+ return sizeBytesOneof, appendBytesOneof
+ }
+ if proto3 {
+ return sizeBytes3, appendBytes3
+ }
+ return sizeBytes, appendBytes
+ case reflect.Struct:
+ switch encoding {
+ case "group":
+ if slice {
+ return makeGroupSliceMarshaler(getMarshalInfo(t))
+ }
+ return makeGroupMarshaler(getMarshalInfo(t))
+ case "bytes":
+ if slice {
+ return makeMessageSliceMarshaler(getMarshalInfo(t))
+ }
+ return makeMessageMarshaler(getMarshalInfo(t))
+ }
+ }
+ panic(fmt.Sprintf("unknown or mismatched type: type: %v, wire type: %v", t, encoding))
+}
+
+// Below are functions to size/marshal a specific type of a field.
+// They are stored in the field's info, and called by function pointers.
+// They have type sizer or marshaler.
+
+func sizeFixed32Value(_ pointer, tagsize int) int {
+ return 4 + tagsize
+}
+func sizeFixed32ValueNoZero(ptr pointer, tagsize int) int {
+ v := *ptr.toUint32()
+ if v == 0 {
+ return 0
+ }
+ return 4 + tagsize
+}
+func sizeFixed32Ptr(ptr pointer, tagsize int) int {
+ p := *ptr.toUint32Ptr()
+ if p == nil {
+ return 0
+ }
+ return 4 + tagsize
+}
+func sizeFixed32Slice(ptr pointer, tagsize int) int {
+ s := *ptr.toUint32Slice()
+ return (4 + tagsize) * len(s)
+}
+func sizeFixed32PackedSlice(ptr pointer, tagsize int) int {
+ s := *ptr.toUint32Slice()
+ if len(s) == 0 {
+ return 0
+ }
+ return 4*len(s) + SizeVarint(uint64(4*len(s))) + tagsize
+}
+func sizeFixedS32Value(_ pointer, tagsize int) int {
+ return 4 + tagsize
+}
+func sizeFixedS32ValueNoZero(ptr pointer, tagsize int) int {
+ v := *ptr.toInt32()
+ if v == 0 {
+ return 0
+ }
+ return 4 + tagsize
+}
+func sizeFixedS32Ptr(ptr pointer, tagsize int) int {
+ p := ptr.getInt32Ptr()
+ if p == nil {
+ return 0
+ }
+ return 4 + tagsize
+}
+func sizeFixedS32Slice(ptr pointer, tagsize int) int {
+ s := ptr.getInt32Slice()
+ return (4 + tagsize) * len(s)
+}
+func sizeFixedS32PackedSlice(ptr pointer, tagsize int) int {
+ s := ptr.getInt32Slice()
+ if len(s) == 0 {
+ return 0
+ }
+ return 4*len(s) + SizeVarint(uint64(4*len(s))) + tagsize
+}
+func sizeFloat32Value(_ pointer, tagsize int) int {
+ return 4 + tagsize
+}
+func sizeFloat32ValueNoZero(ptr pointer, tagsize int) int {
+ v := math.Float32bits(*ptr.toFloat32())
+ if v == 0 {
+ return 0
+ }
+ return 4 + tagsize
+}
+func sizeFloat32Ptr(ptr pointer, tagsize int) int {
+ p := *ptr.toFloat32Ptr()
+ if p == nil {
+ return 0
+ }
+ return 4 + tagsize
+}
+func sizeFloat32Slice(ptr pointer, tagsize int) int {
+ s := *ptr.toFloat32Slice()
+ return (4 + tagsize) * len(s)
+}
+func sizeFloat32PackedSlice(ptr pointer, tagsize int) int {
+ s := *ptr.toFloat32Slice()
+ if len(s) == 0 {
+ return 0
+ }
+ return 4*len(s) + SizeVarint(uint64(4*len(s))) + tagsize
+}
+func sizeFixed64Value(_ pointer, tagsize int) int {
+ return 8 + tagsize
+}
+func sizeFixed64ValueNoZero(ptr pointer, tagsize int) int {
+ v := *ptr.toUint64()
+ if v == 0 {
+ return 0
+ }
+ return 8 + tagsize
+}
+func sizeFixed64Ptr(ptr pointer, tagsize int) int {
+ p := *ptr.toUint64Ptr()
+ if p == nil {
+ return 0
+ }
+ return 8 + tagsize
+}
+func sizeFixed64Slice(ptr pointer, tagsize int) int {
+ s := *ptr.toUint64Slice()
+ return (8 + tagsize) * len(s)
+}
+func sizeFixed64PackedSlice(ptr pointer, tagsize int) int {
+ s := *ptr.toUint64Slice()
+ if len(s) == 0 {
+ return 0
+ }
+ return 8*len(s) + SizeVarint(uint64(8*len(s))) + tagsize
+}
+func sizeFixedS64Value(_ pointer, tagsize int) int {
+ return 8 + tagsize
+}
+func sizeFixedS64ValueNoZero(ptr pointer, tagsize int) int {
+ v := *ptr.toInt64()
+ if v == 0 {
+ return 0
+ }
+ return 8 + tagsize
+}
+func sizeFixedS64Ptr(ptr pointer, tagsize int) int {
+ p := *ptr.toInt64Ptr()
+ if p == nil {
+ return 0
+ }
+ return 8 + tagsize
+}
+func sizeFixedS64Slice(ptr pointer, tagsize int) int {
+ s := *ptr.toInt64Slice()
+ return (8 + tagsize) * len(s)
+}
+func sizeFixedS64PackedSlice(ptr pointer, tagsize int) int {
+ s := *ptr.toInt64Slice()
+ if len(s) == 0 {
+ return 0
+ }
+ return 8*len(s) + SizeVarint(uint64(8*len(s))) + tagsize
+}
+func sizeFloat64Value(_ pointer, tagsize int) int {
+ return 8 + tagsize
+}
+func sizeFloat64ValueNoZero(ptr pointer, tagsize int) int {
+ v := math.Float64bits(*ptr.toFloat64())
+ if v == 0 {
+ return 0
+ }
+ return 8 + tagsize
+}
+func sizeFloat64Ptr(ptr pointer, tagsize int) int {
+ p := *ptr.toFloat64Ptr()
+ if p == nil {
+ return 0
+ }
+ return 8 + tagsize
+}
+func sizeFloat64Slice(ptr pointer, tagsize int) int {
+ s := *ptr.toFloat64Slice()
+ return (8 + tagsize) * len(s)
+}
+func sizeFloat64PackedSlice(ptr pointer, tagsize int) int {
+ s := *ptr.toFloat64Slice()
+ if len(s) == 0 {
+ return 0
+ }
+ return 8*len(s) + SizeVarint(uint64(8*len(s))) + tagsize
+}
+func sizeVarint32Value(ptr pointer, tagsize int) int {
+ v := *ptr.toUint32()
+ return SizeVarint(uint64(v)) + tagsize
+}
+func sizeVarint32ValueNoZero(ptr pointer, tagsize int) int {
+ v := *ptr.toUint32()
+ if v == 0 {
+ return 0
+ }
+ return SizeVarint(uint64(v)) + tagsize
+}
+func sizeVarint32Ptr(ptr pointer, tagsize int) int {
+ p := *ptr.toUint32Ptr()
+ if p == nil {
+ return 0
+ }
+ return SizeVarint(uint64(*p)) + tagsize
+}
+func sizeVarint32Slice(ptr pointer, tagsize int) int {
+ s := *ptr.toUint32Slice()
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(uint64(v)) + tagsize
+ }
+ return n
+}
+func sizeVarint32PackedSlice(ptr pointer, tagsize int) int {
+ s := *ptr.toUint32Slice()
+ if len(s) == 0 {
+ return 0
+ }
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(uint64(v))
+ }
+ return n + SizeVarint(uint64(n)) + tagsize
+}
+func sizeVarintS32Value(ptr pointer, tagsize int) int {
+ v := *ptr.toInt32()
+ return SizeVarint(uint64(v)) + tagsize
+}
+func sizeVarintS32ValueNoZero(ptr pointer, tagsize int) int {
+ v := *ptr.toInt32()
+ if v == 0 {
+ return 0
+ }
+ return SizeVarint(uint64(v)) + tagsize
+}
+func sizeVarintS32Ptr(ptr pointer, tagsize int) int {
+ p := ptr.getInt32Ptr()
+ if p == nil {
+ return 0
+ }
+ return SizeVarint(uint64(*p)) + tagsize
+}
+func sizeVarintS32Slice(ptr pointer, tagsize int) int {
+ s := ptr.getInt32Slice()
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(uint64(v)) + tagsize
+ }
+ return n
+}
+func sizeVarintS32PackedSlice(ptr pointer, tagsize int) int {
+ s := ptr.getInt32Slice()
+ if len(s) == 0 {
+ return 0
+ }
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(uint64(v))
+ }
+ return n + SizeVarint(uint64(n)) + tagsize
+}
+func sizeVarint64Value(ptr pointer, tagsize int) int {
+ v := *ptr.toUint64()
+ return SizeVarint(v) + tagsize
+}
+func sizeVarint64ValueNoZero(ptr pointer, tagsize int) int {
+ v := *ptr.toUint64()
+ if v == 0 {
+ return 0
+ }
+ return SizeVarint(v) + tagsize
+}
+func sizeVarint64Ptr(ptr pointer, tagsize int) int {
+ p := *ptr.toUint64Ptr()
+ if p == nil {
+ return 0
+ }
+ return SizeVarint(*p) + tagsize
+}
+func sizeVarint64Slice(ptr pointer, tagsize int) int {
+ s := *ptr.toUint64Slice()
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(v) + tagsize
+ }
+ return n
+}
+func sizeVarint64PackedSlice(ptr pointer, tagsize int) int {
+ s := *ptr.toUint64Slice()
+ if len(s) == 0 {
+ return 0
+ }
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(v)
+ }
+ return n + SizeVarint(uint64(n)) + tagsize
+}
+func sizeVarintS64Value(ptr pointer, tagsize int) int {
+ v := *ptr.toInt64()
+ return SizeVarint(uint64(v)) + tagsize
+}
+func sizeVarintS64ValueNoZero(ptr pointer, tagsize int) int {
+ v := *ptr.toInt64()
+ if v == 0 {
+ return 0
+ }
+ return SizeVarint(uint64(v)) + tagsize
+}
+func sizeVarintS64Ptr(ptr pointer, tagsize int) int {
+ p := *ptr.toInt64Ptr()
+ if p == nil {
+ return 0
+ }
+ return SizeVarint(uint64(*p)) + tagsize
+}
+func sizeVarintS64Slice(ptr pointer, tagsize int) int {
+ s := *ptr.toInt64Slice()
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(uint64(v)) + tagsize
+ }
+ return n
+}
+func sizeVarintS64PackedSlice(ptr pointer, tagsize int) int {
+ s := *ptr.toInt64Slice()
+ if len(s) == 0 {
+ return 0
+ }
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(uint64(v))
+ }
+ return n + SizeVarint(uint64(n)) + tagsize
+}
+func sizeZigzag32Value(ptr pointer, tagsize int) int {
+ v := *ptr.toInt32()
+ return SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize
+}
+func sizeZigzag32ValueNoZero(ptr pointer, tagsize int) int {
+ v := *ptr.toInt32()
+ if v == 0 {
+ return 0
+ }
+ return SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize
+}
+func sizeZigzag32Ptr(ptr pointer, tagsize int) int {
+ p := ptr.getInt32Ptr()
+ if p == nil {
+ return 0
+ }
+ v := *p
+ return SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize
+}
+func sizeZigzag32Slice(ptr pointer, tagsize int) int {
+ s := ptr.getInt32Slice()
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize
+ }
+ return n
+}
+func sizeZigzag32PackedSlice(ptr pointer, tagsize int) int {
+ s := ptr.getInt32Slice()
+ if len(s) == 0 {
+ return 0
+ }
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(uint64((uint32(v) << 1) ^ uint32((int32(v) >> 31))))
+ }
+ return n + SizeVarint(uint64(n)) + tagsize
+}
+func sizeZigzag64Value(ptr pointer, tagsize int) int {
+ v := *ptr.toInt64()
+ return SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize
+}
+func sizeZigzag64ValueNoZero(ptr pointer, tagsize int) int {
+ v := *ptr.toInt64()
+ if v == 0 {
+ return 0
+ }
+ return SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize
+}
+func sizeZigzag64Ptr(ptr pointer, tagsize int) int {
+ p := *ptr.toInt64Ptr()
+ if p == nil {
+ return 0
+ }
+ v := *p
+ return SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize
+}
+func sizeZigzag64Slice(ptr pointer, tagsize int) int {
+ s := *ptr.toInt64Slice()
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize
+ }
+ return n
+}
+func sizeZigzag64PackedSlice(ptr pointer, tagsize int) int {
+ s := *ptr.toInt64Slice()
+ if len(s) == 0 {
+ return 0
+ }
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(uint64(v<<1) ^ uint64((int64(v) >> 63)))
+ }
+ return n + SizeVarint(uint64(n)) + tagsize
+}
+func sizeBoolValue(_ pointer, tagsize int) int {
+ return 1 + tagsize
+}
+func sizeBoolValueNoZero(ptr pointer, tagsize int) int {
+ v := *ptr.toBool()
+ if !v {
+ return 0
+ }
+ return 1 + tagsize
+}
+func sizeBoolPtr(ptr pointer, tagsize int) int {
+ p := *ptr.toBoolPtr()
+ if p == nil {
+ return 0
+ }
+ return 1 + tagsize
+}
+func sizeBoolSlice(ptr pointer, tagsize int) int {
+ s := *ptr.toBoolSlice()
+ return (1 + tagsize) * len(s)
+}
+func sizeBoolPackedSlice(ptr pointer, tagsize int) int {
+ s := *ptr.toBoolSlice()
+ if len(s) == 0 {
+ return 0
+ }
+ return len(s) + SizeVarint(uint64(len(s))) + tagsize
+}
+func sizeStringValue(ptr pointer, tagsize int) int {
+ v := *ptr.toString()
+ return len(v) + SizeVarint(uint64(len(v))) + tagsize
+}
+func sizeStringValueNoZero(ptr pointer, tagsize int) int {
+ v := *ptr.toString()
+ if v == "" {
+ return 0
+ }
+ return len(v) + SizeVarint(uint64(len(v))) + tagsize
+}
+func sizeStringPtr(ptr pointer, tagsize int) int {
+ p := *ptr.toStringPtr()
+ if p == nil {
+ return 0
+ }
+ v := *p
+ return len(v) + SizeVarint(uint64(len(v))) + tagsize
+}
+func sizeStringSlice(ptr pointer, tagsize int) int {
+ s := *ptr.toStringSlice()
+ n := 0
+ for _, v := range s {
+ n += len(v) + SizeVarint(uint64(len(v))) + tagsize
+ }
+ return n
+}
+func sizeBytes(ptr pointer, tagsize int) int {
+ v := *ptr.toBytes()
+ if v == nil {
+ return 0
+ }
+ return len(v) + SizeVarint(uint64(len(v))) + tagsize
+}
+func sizeBytes3(ptr pointer, tagsize int) int {
+ v := *ptr.toBytes()
+ if len(v) == 0 {
+ return 0
+ }
+ return len(v) + SizeVarint(uint64(len(v))) + tagsize
+}
+func sizeBytesOneof(ptr pointer, tagsize int) int {
+ v := *ptr.toBytes()
+ return len(v) + SizeVarint(uint64(len(v))) + tagsize
+}
+func sizeBytesSlice(ptr pointer, tagsize int) int {
+ s := *ptr.toBytesSlice()
+ n := 0
+ for _, v := range s {
+ n += len(v) + SizeVarint(uint64(len(v))) + tagsize
+ }
+ return n
+}
+
+// appendFixed32 appends an encoded fixed32 to b.
+func appendFixed32(b []byte, v uint32) []byte {
+ b = append(b,
+ byte(v),
+ byte(v>>8),
+ byte(v>>16),
+ byte(v>>24))
+ return b
+}
+
+// appendFixed64 appends an encoded fixed64 to b.
+func appendFixed64(b []byte, v uint64) []byte {
+ b = append(b,
+ byte(v),
+ byte(v>>8),
+ byte(v>>16),
+ byte(v>>24),
+ byte(v>>32),
+ byte(v>>40),
+ byte(v>>48),
+ byte(v>>56))
+ return b
+}
+
+// appendVarint appends an encoded varint to b.
+func appendVarint(b []byte, v uint64) []byte {
+ // TODO: make 1-byte (maybe 2-byte) case inline-able, once we
+ // have non-leaf inliner.
+ switch {
+ case v < 1<<7:
+ b = append(b, byte(v))
+ case v < 1<<14:
+ b = append(b,
+ byte(v&0x7f|0x80),
+ byte(v>>7))
+ case v < 1<<21:
+ b = append(b,
+ byte(v&0x7f|0x80),
+ byte((v>>7)&0x7f|0x80),
+ byte(v>>14))
+ case v < 1<<28:
+ b = append(b,
+ byte(v&0x7f|0x80),
+ byte((v>>7)&0x7f|0x80),
+ byte((v>>14)&0x7f|0x80),
+ byte(v>>21))
+ case v < 1<<35:
+ b = append(b,
+ byte(v&0x7f|0x80),
+ byte((v>>7)&0x7f|0x80),
+ byte((v>>14)&0x7f|0x80),
+ byte((v>>21)&0x7f|0x80),
+ byte(v>>28))
+ case v < 1<<42:
+ b = append(b,
+ byte(v&0x7f|0x80),
+ byte((v>>7)&0x7f|0x80),
+ byte((v>>14)&0x7f|0x80),
+ byte((v>>21)&0x7f|0x80),
+ byte((v>>28)&0x7f|0x80),
+ byte(v>>35))
+ case v < 1<<49:
+ b = append(b,
+ byte(v&0x7f|0x80),
+ byte((v>>7)&0x7f|0x80),
+ byte((v>>14)&0x7f|0x80),
+ byte((v>>21)&0x7f|0x80),
+ byte((v>>28)&0x7f|0x80),
+ byte((v>>35)&0x7f|0x80),
+ byte(v>>42))
+ case v < 1<<56:
+ b = append(b,
+ byte(v&0x7f|0x80),
+ byte((v>>7)&0x7f|0x80),
+ byte((v>>14)&0x7f|0x80),
+ byte((v>>21)&0x7f|0x80),
+ byte((v>>28)&0x7f|0x80),
+ byte((v>>35)&0x7f|0x80),
+ byte((v>>42)&0x7f|0x80),
+ byte(v>>49))
+ case v < 1<<63:
+ b = append(b,
+ byte(v&0x7f|0x80),
+ byte((v>>7)&0x7f|0x80),
+ byte((v>>14)&0x7f|0x80),
+ byte((v>>21)&0x7f|0x80),
+ byte((v>>28)&0x7f|0x80),
+ byte((v>>35)&0x7f|0x80),
+ byte((v>>42)&0x7f|0x80),
+ byte((v>>49)&0x7f|0x80),
+ byte(v>>56))
+ default:
+ b = append(b,
+ byte(v&0x7f|0x80),
+ byte((v>>7)&0x7f|0x80),
+ byte((v>>14)&0x7f|0x80),
+ byte((v>>21)&0x7f|0x80),
+ byte((v>>28)&0x7f|0x80),
+ byte((v>>35)&0x7f|0x80),
+ byte((v>>42)&0x7f|0x80),
+ byte((v>>49)&0x7f|0x80),
+ byte((v>>56)&0x7f|0x80),
+ 1)
+ }
+ return b
+}
+
+func appendFixed32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toUint32()
+ b = appendVarint(b, wiretag)
+ b = appendFixed32(b, v)
+ return b, nil
+}
+func appendFixed32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toUint32()
+ if v == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendFixed32(b, v)
+ return b, nil
+}
+func appendFixed32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ p := *ptr.toUint32Ptr()
+ if p == nil {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendFixed32(b, *p)
+ return b, nil
+}
+func appendFixed32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toUint32Slice()
+ for _, v := range s {
+ b = appendVarint(b, wiretag)
+ b = appendFixed32(b, v)
+ }
+ return b, nil
+}
+func appendFixed32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toUint32Slice()
+ if len(s) == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag&^7|WireBytes)
+ b = appendVarint(b, uint64(4*len(s)))
+ for _, v := range s {
+ b = appendFixed32(b, v)
+ }
+ return b, nil
+}
+func appendFixedS32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toInt32()
+ b = appendVarint(b, wiretag)
+ b = appendFixed32(b, uint32(v))
+ return b, nil
+}
+func appendFixedS32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toInt32()
+ if v == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendFixed32(b, uint32(v))
+ return b, nil
+}
+func appendFixedS32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ p := ptr.getInt32Ptr()
+ if p == nil {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendFixed32(b, uint32(*p))
+ return b, nil
+}
+func appendFixedS32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := ptr.getInt32Slice()
+ for _, v := range s {
+ b = appendVarint(b, wiretag)
+ b = appendFixed32(b, uint32(v))
+ }
+ return b, nil
+}
+func appendFixedS32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := ptr.getInt32Slice()
+ if len(s) == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag&^7|WireBytes)
+ b = appendVarint(b, uint64(4*len(s)))
+ for _, v := range s {
+ b = appendFixed32(b, uint32(v))
+ }
+ return b, nil
+}
+func appendFloat32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := math.Float32bits(*ptr.toFloat32())
+ b = appendVarint(b, wiretag)
+ b = appendFixed32(b, v)
+ return b, nil
+}
+func appendFloat32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := math.Float32bits(*ptr.toFloat32())
+ if v == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendFixed32(b, v)
+ return b, nil
+}
+func appendFloat32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ p := *ptr.toFloat32Ptr()
+ if p == nil {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendFixed32(b, math.Float32bits(*p))
+ return b, nil
+}
+func appendFloat32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toFloat32Slice()
+ for _, v := range s {
+ b = appendVarint(b, wiretag)
+ b = appendFixed32(b, math.Float32bits(v))
+ }
+ return b, nil
+}
+func appendFloat32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toFloat32Slice()
+ if len(s) == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag&^7|WireBytes)
+ b = appendVarint(b, uint64(4*len(s)))
+ for _, v := range s {
+ b = appendFixed32(b, math.Float32bits(v))
+ }
+ return b, nil
+}
+func appendFixed64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toUint64()
+ b = appendVarint(b, wiretag)
+ b = appendFixed64(b, v)
+ return b, nil
+}
+func appendFixed64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toUint64()
+ if v == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendFixed64(b, v)
+ return b, nil
+}
+func appendFixed64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ p := *ptr.toUint64Ptr()
+ if p == nil {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendFixed64(b, *p)
+ return b, nil
+}
+func appendFixed64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toUint64Slice()
+ for _, v := range s {
+ b = appendVarint(b, wiretag)
+ b = appendFixed64(b, v)
+ }
+ return b, nil
+}
+func appendFixed64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toUint64Slice()
+ if len(s) == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag&^7|WireBytes)
+ b = appendVarint(b, uint64(8*len(s)))
+ for _, v := range s {
+ b = appendFixed64(b, v)
+ }
+ return b, nil
+}
+func appendFixedS64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toInt64()
+ b = appendVarint(b, wiretag)
+ b = appendFixed64(b, uint64(v))
+ return b, nil
+}
+func appendFixedS64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toInt64()
+ if v == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendFixed64(b, uint64(v))
+ return b, nil
+}
+func appendFixedS64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ p := *ptr.toInt64Ptr()
+ if p == nil {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendFixed64(b, uint64(*p))
+ return b, nil
+}
+func appendFixedS64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toInt64Slice()
+ for _, v := range s {
+ b = appendVarint(b, wiretag)
+ b = appendFixed64(b, uint64(v))
+ }
+ return b, nil
+}
+func appendFixedS64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toInt64Slice()
+ if len(s) == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag&^7|WireBytes)
+ b = appendVarint(b, uint64(8*len(s)))
+ for _, v := range s {
+ b = appendFixed64(b, uint64(v))
+ }
+ return b, nil
+}
+func appendFloat64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := math.Float64bits(*ptr.toFloat64())
+ b = appendVarint(b, wiretag)
+ b = appendFixed64(b, v)
+ return b, nil
+}
+func appendFloat64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := math.Float64bits(*ptr.toFloat64())
+ if v == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendFixed64(b, v)
+ return b, nil
+}
+func appendFloat64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ p := *ptr.toFloat64Ptr()
+ if p == nil {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendFixed64(b, math.Float64bits(*p))
+ return b, nil
+}
+func appendFloat64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toFloat64Slice()
+ for _, v := range s {
+ b = appendVarint(b, wiretag)
+ b = appendFixed64(b, math.Float64bits(v))
+ }
+ return b, nil
+}
+func appendFloat64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toFloat64Slice()
+ if len(s) == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag&^7|WireBytes)
+ b = appendVarint(b, uint64(8*len(s)))
+ for _, v := range s {
+ b = appendFixed64(b, math.Float64bits(v))
+ }
+ return b, nil
+}
+func appendVarint32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toUint32()
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(v))
+ return b, nil
+}
+func appendVarint32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toUint32()
+ if v == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(v))
+ return b, nil
+}
+func appendVarint32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ p := *ptr.toUint32Ptr()
+ if p == nil {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(*p))
+ return b, nil
+}
+func appendVarint32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toUint32Slice()
+ for _, v := range s {
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(v))
+ }
+ return b, nil
+}
+func appendVarint32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toUint32Slice()
+ if len(s) == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag&^7|WireBytes)
+ // compute size
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(uint64(v))
+ }
+ b = appendVarint(b, uint64(n))
+ for _, v := range s {
+ b = appendVarint(b, uint64(v))
+ }
+ return b, nil
+}
+func appendVarintS32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toInt32()
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(v))
+ return b, nil
+}
+func appendVarintS32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toInt32()
+ if v == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(v))
+ return b, nil
+}
+func appendVarintS32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ p := ptr.getInt32Ptr()
+ if p == nil {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(*p))
+ return b, nil
+}
+func appendVarintS32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := ptr.getInt32Slice()
+ for _, v := range s {
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(v))
+ }
+ return b, nil
+}
+func appendVarintS32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := ptr.getInt32Slice()
+ if len(s) == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag&^7|WireBytes)
+ // compute size
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(uint64(v))
+ }
+ b = appendVarint(b, uint64(n))
+ for _, v := range s {
+ b = appendVarint(b, uint64(v))
+ }
+ return b, nil
+}
+func appendVarint64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toUint64()
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, v)
+ return b, nil
+}
+func appendVarint64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toUint64()
+ if v == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, v)
+ return b, nil
+}
+func appendVarint64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ p := *ptr.toUint64Ptr()
+ if p == nil {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, *p)
+ return b, nil
+}
+func appendVarint64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toUint64Slice()
+ for _, v := range s {
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, v)
+ }
+ return b, nil
+}
+func appendVarint64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toUint64Slice()
+ if len(s) == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag&^7|WireBytes)
+ // compute size
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(v)
+ }
+ b = appendVarint(b, uint64(n))
+ for _, v := range s {
+ b = appendVarint(b, v)
+ }
+ return b, nil
+}
+func appendVarintS64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toInt64()
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(v))
+ return b, nil
+}
+func appendVarintS64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toInt64()
+ if v == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(v))
+ return b, nil
+}
+func appendVarintS64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ p := *ptr.toInt64Ptr()
+ if p == nil {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(*p))
+ return b, nil
+}
+func appendVarintS64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toInt64Slice()
+ for _, v := range s {
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(v))
+ }
+ return b, nil
+}
+func appendVarintS64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toInt64Slice()
+ if len(s) == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag&^7|WireBytes)
+ // compute size
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(uint64(v))
+ }
+ b = appendVarint(b, uint64(n))
+ for _, v := range s {
+ b = appendVarint(b, uint64(v))
+ }
+ return b, nil
+}
+func appendZigzag32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toInt32()
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31))))
+ return b, nil
+}
+func appendZigzag32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toInt32()
+ if v == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31))))
+ return b, nil
+}
+func appendZigzag32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ p := ptr.getInt32Ptr()
+ if p == nil {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ v := *p
+ b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31))))
+ return b, nil
+}
+func appendZigzag32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := ptr.getInt32Slice()
+ for _, v := range s {
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31))))
+ }
+ return b, nil
+}
+func appendZigzag32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := ptr.getInt32Slice()
+ if len(s) == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag&^7|WireBytes)
+ // compute size
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(uint64((uint32(v) << 1) ^ uint32((int32(v) >> 31))))
+ }
+ b = appendVarint(b, uint64(n))
+ for _, v := range s {
+ b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31))))
+ }
+ return b, nil
+}
+func appendZigzag64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toInt64()
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63)))
+ return b, nil
+}
+func appendZigzag64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toInt64()
+ if v == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63)))
+ return b, nil
+}
+func appendZigzag64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ p := *ptr.toInt64Ptr()
+ if p == nil {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ v := *p
+ b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63)))
+ return b, nil
+}
+func appendZigzag64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toInt64Slice()
+ for _, v := range s {
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63)))
+ }
+ return b, nil
+}
+func appendZigzag64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toInt64Slice()
+ if len(s) == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag&^7|WireBytes)
+ // compute size
+ n := 0
+ for _, v := range s {
+ n += SizeVarint(uint64(v<<1) ^ uint64((int64(v) >> 63)))
+ }
+ b = appendVarint(b, uint64(n))
+ for _, v := range s {
+ b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63)))
+ }
+ return b, nil
+}
+func appendBoolValue(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toBool()
+ b = appendVarint(b, wiretag)
+ if v {
+ b = append(b, 1)
+ } else {
+ b = append(b, 0)
+ }
+ return b, nil
+}
+func appendBoolValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toBool()
+ if !v {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = append(b, 1)
+ return b, nil
+}
+
+func appendBoolPtr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ p := *ptr.toBoolPtr()
+ if p == nil {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ if *p {
+ b = append(b, 1)
+ } else {
+ b = append(b, 0)
+ }
+ return b, nil
+}
+func appendBoolSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toBoolSlice()
+ for _, v := range s {
+ b = appendVarint(b, wiretag)
+ if v {
+ b = append(b, 1)
+ } else {
+ b = append(b, 0)
+ }
+ }
+ return b, nil
+}
+func appendBoolPackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toBoolSlice()
+ if len(s) == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag&^7|WireBytes)
+ b = appendVarint(b, uint64(len(s)))
+ for _, v := range s {
+ if v {
+ b = append(b, 1)
+ } else {
+ b = append(b, 0)
+ }
+ }
+ return b, nil
+}
+func appendStringValue(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toString()
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(len(v)))
+ b = append(b, v...)
+ return b, nil
+}
+func appendStringValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toString()
+ if v == "" {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(len(v)))
+ b = append(b, v...)
+ return b, nil
+}
+func appendStringPtr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ p := *ptr.toStringPtr()
+ if p == nil {
+ return b, nil
+ }
+ v := *p
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(len(v)))
+ b = append(b, v...)
+ return b, nil
+}
+func appendStringSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toStringSlice()
+ for _, v := range s {
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(len(v)))
+ b = append(b, v...)
+ }
+ return b, nil
+}
+func appendUTF8StringValue(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ var invalidUTF8 bool
+ v := *ptr.toString()
+ if !utf8.ValidString(v) {
+ invalidUTF8 = true
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(len(v)))
+ b = append(b, v...)
+ if invalidUTF8 {
+ return b, errInvalidUTF8
+ }
+ return b, nil
+}
+func appendUTF8StringValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ var invalidUTF8 bool
+ v := *ptr.toString()
+ if v == "" {
+ return b, nil
+ }
+ if !utf8.ValidString(v) {
+ invalidUTF8 = true
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(len(v)))
+ b = append(b, v...)
+ if invalidUTF8 {
+ return b, errInvalidUTF8
+ }
+ return b, nil
+}
+func appendUTF8StringPtr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ var invalidUTF8 bool
+ p := *ptr.toStringPtr()
+ if p == nil {
+ return b, nil
+ }
+ v := *p
+ if !utf8.ValidString(v) {
+ invalidUTF8 = true
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(len(v)))
+ b = append(b, v...)
+ if invalidUTF8 {
+ return b, errInvalidUTF8
+ }
+ return b, nil
+}
+func appendUTF8StringSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ var invalidUTF8 bool
+ s := *ptr.toStringSlice()
+ for _, v := range s {
+ if !utf8.ValidString(v) {
+ invalidUTF8 = true
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(len(v)))
+ b = append(b, v...)
+ }
+ if invalidUTF8 {
+ return b, errInvalidUTF8
+ }
+ return b, nil
+}
+func appendBytes(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toBytes()
+ if v == nil {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(len(v)))
+ b = append(b, v...)
+ return b, nil
+}
+func appendBytes3(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toBytes()
+ if len(v) == 0 {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(len(v)))
+ b = append(b, v...)
+ return b, nil
+}
+func appendBytesOneof(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ v := *ptr.toBytes()
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(len(v)))
+ b = append(b, v...)
+ return b, nil
+}
+func appendBytesSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
+ s := *ptr.toBytesSlice()
+ for _, v := range s {
+ b = appendVarint(b, wiretag)
+ b = appendVarint(b, uint64(len(v)))
+ b = append(b, v...)
+ }
+ return b, nil
+}
+
+// makeGroupMarshaler returns the sizer and marshaler for a group.
+// u is the marshal info of the underlying message.
+func makeGroupMarshaler(u *marshalInfo) (sizer, marshaler) {
+ return func(ptr pointer, tagsize int) int {
+ p := ptr.getPointer()
+ if p.isNil() {
+ return 0
+ }
+ return u.size(p) + 2*tagsize
+ },
+ func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
+ p := ptr.getPointer()
+ if p.isNil() {
+ return b, nil
+ }
+ var err error
+ b = appendVarint(b, wiretag) // start group
+ b, err = u.marshal(b, p, deterministic)
+ b = appendVarint(b, wiretag+(WireEndGroup-WireStartGroup)) // end group
+ return b, err
+ }
+}
+
+// makeGroupSliceMarshaler returns the sizer and marshaler for a group slice.
+// u is the marshal info of the underlying message.
+func makeGroupSliceMarshaler(u *marshalInfo) (sizer, marshaler) {
+ return func(ptr pointer, tagsize int) int {
+ s := ptr.getPointerSlice()
+ n := 0
+ for _, v := range s {
+ if v.isNil() {
+ continue
+ }
+ n += u.size(v) + 2*tagsize
+ }
+ return n
+ },
+ func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
+ s := ptr.getPointerSlice()
+ var err error
+ var nerr nonFatal
+ for _, v := range s {
+ if v.isNil() {
+ return b, errRepeatedHasNil
+ }
+ b = appendVarint(b, wiretag) // start group
+ b, err = u.marshal(b, v, deterministic)
+ b = appendVarint(b, wiretag+(WireEndGroup-WireStartGroup)) // end group
+ if !nerr.Merge(err) {
+ if err == ErrNil {
+ err = errRepeatedHasNil
+ }
+ return b, err
+ }
+ }
+ return b, nerr.E
+ }
+}
+
+// makeMessageMarshaler returns the sizer and marshaler for a message field.
+// u is the marshal info of the message.
+func makeMessageMarshaler(u *marshalInfo) (sizer, marshaler) {
+ return func(ptr pointer, tagsize int) int {
+ p := ptr.getPointer()
+ if p.isNil() {
+ return 0
+ }
+ siz := u.size(p)
+ return siz + SizeVarint(uint64(siz)) + tagsize
+ },
+ func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
+ p := ptr.getPointer()
+ if p.isNil() {
+ return b, nil
+ }
+ b = appendVarint(b, wiretag)
+ siz := u.cachedsize(p)
+ b = appendVarint(b, uint64(siz))
+ return u.marshal(b, p, deterministic)
+ }
+}
+
+// makeMessageSliceMarshaler returns the sizer and marshaler for a message slice.
+// u is the marshal info of the message.
+func makeMessageSliceMarshaler(u *marshalInfo) (sizer, marshaler) {
+ return func(ptr pointer, tagsize int) int {
+ s := ptr.getPointerSlice()
+ n := 0
+ for _, v := range s {
+ if v.isNil() {
+ continue
+ }
+ siz := u.size(v)
+ n += siz + SizeVarint(uint64(siz)) + tagsize
+ }
+ return n
+ },
+ func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
+ s := ptr.getPointerSlice()
+ var err error
+ var nerr nonFatal
+ for _, v := range s {
+ if v.isNil() {
+ return b, errRepeatedHasNil
+ }
+ b = appendVarint(b, wiretag)
+ siz := u.cachedsize(v)
+ b = appendVarint(b, uint64(siz))
+ b, err = u.marshal(b, v, deterministic)
+
+ if !nerr.Merge(err) {
+ if err == ErrNil {
+ err = errRepeatedHasNil
+ }
+ return b, err
+ }
+ }
+ return b, nerr.E
+ }
+}
+
+// makeMapMarshaler returns the sizer and marshaler for a map field.
+// f is the pointer to the reflect data structure of the field.
+func makeMapMarshaler(f *reflect.StructField) (sizer, marshaler) {
+ // figure out key and value type
+ t := f.Type
+ keyType := t.Key()
+ valType := t.Elem()
+ keyTags := strings.Split(f.Tag.Get("protobuf_key"), ",")
+ valTags := strings.Split(f.Tag.Get("protobuf_val"), ",")
+ keySizer, keyMarshaler := typeMarshaler(keyType, keyTags, false, false) // don't omit zero value in map
+ valSizer, valMarshaler := typeMarshaler(valType, valTags, false, false) // don't omit zero value in map
+ keyWireTag := 1<<3 | wiretype(keyTags[0])
+ valWireTag := 2<<3 | wiretype(valTags[0])
+
+ // We create an interface to get the addresses of the map key and value.
+ // If value is pointer-typed, the interface is a direct interface, the
+ // idata itself is the value. Otherwise, the idata is the pointer to the
+ // value.
+ // Key cannot be pointer-typed.
+ valIsPtr := valType.Kind() == reflect.Ptr
+
+ // If value is a message with nested maps, calling
+ // valSizer in marshal may be quadratic. We should use
+ // cached version in marshal (but not in size).
+ // If value is not message type, we don't have size cache,
+ // but it cannot be nested either. Just use valSizer.
+ valCachedSizer := valSizer
+ if valIsPtr && valType.Elem().Kind() == reflect.Struct {
+ u := getMarshalInfo(valType.Elem())
+ valCachedSizer = func(ptr pointer, tagsize int) int {
+ // Same as message sizer, but use cache.
+ p := ptr.getPointer()
+ if p.isNil() {
+ return 0
+ }
+ siz := u.cachedsize(p)
+ return siz + SizeVarint(uint64(siz)) + tagsize
+ }
+ }
+ return func(ptr pointer, tagsize int) int {
+ m := ptr.asPointerTo(t).Elem() // the map
+ n := 0
+ for _, k := range m.MapKeys() {
+ ki := k.Interface()
+ vi := m.MapIndex(k).Interface()
+ kaddr := toAddrPointer(&ki, false) // pointer to key
+ vaddr := toAddrPointer(&vi, valIsPtr) // pointer to value
+ siz := keySizer(kaddr, 1) + valSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1)
+ n += siz + SizeVarint(uint64(siz)) + tagsize
+ }
+ return n
+ },
+ func(b []byte, ptr pointer, tag uint64, deterministic bool) ([]byte, error) {
+ m := ptr.asPointerTo(t).Elem() // the map
+ var err error
+ keys := m.MapKeys()
+ if len(keys) > 1 && deterministic {
+ sort.Sort(mapKeys(keys))
+ }
+
+ var nerr nonFatal
+ for _, k := range keys {
+ ki := k.Interface()
+ vi := m.MapIndex(k).Interface()
+ kaddr := toAddrPointer(&ki, false) // pointer to key
+ vaddr := toAddrPointer(&vi, valIsPtr) // pointer to value
+ b = appendVarint(b, tag)
+ siz := keySizer(kaddr, 1) + valCachedSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1)
+ b = appendVarint(b, uint64(siz))
+ b, err = keyMarshaler(b, kaddr, keyWireTag, deterministic)
+ if !nerr.Merge(err) {
+ return b, err
+ }
+ b, err = valMarshaler(b, vaddr, valWireTag, deterministic)
+ if err != ErrNil && !nerr.Merge(err) { // allow nil value in map
+ return b, err
+ }
+ }
+ return b, nerr.E
+ }
+}
+
+// makeOneOfMarshaler returns the sizer and marshaler for a oneof field.
+// fi is the marshal info of the field.
+// f is the pointer to the reflect data structure of the field.
+func makeOneOfMarshaler(fi *marshalFieldInfo, f *reflect.StructField) (sizer, marshaler) {
+ // Oneof field is an interface. We need to get the actual data type on the fly.
+ t := f.Type
+ return func(ptr pointer, _ int) int {
+ p := ptr.getInterfacePointer()
+ if p.isNil() {
+ return 0
+ }
+ v := ptr.asPointerTo(t).Elem().Elem().Elem() // *interface -> interface -> *struct -> struct
+ telem := v.Type()
+ e := fi.oneofElems[telem]
+ return e.sizer(p, e.tagsize)
+ },
+ func(b []byte, ptr pointer, _ uint64, deterministic bool) ([]byte, error) {
+ p := ptr.getInterfacePointer()
+ if p.isNil() {
+ return b, nil
+ }
+ v := ptr.asPointerTo(t).Elem().Elem().Elem() // *interface -> interface -> *struct -> struct
+ telem := v.Type()
+ if telem.Field(0).Type.Kind() == reflect.Ptr && p.getPointer().isNil() {
+ return b, errOneofHasNil
+ }
+ e := fi.oneofElems[telem]
+ return e.marshaler(b, p, e.wiretag, deterministic)
+ }
+}
+
+// sizeExtensions computes the size of encoded data for a XXX_InternalExtensions field.
+func (u *marshalInfo) sizeExtensions(ext *XXX_InternalExtensions) int {
+ m, mu := ext.extensionsRead()
+ if m == nil {
+ return 0
+ }
+ mu.Lock()
+
+ n := 0
+ for _, e := range m {
+ if e.value == nil || e.desc == nil {
+ // Extension is only in its encoded form.
+ n += len(e.enc)
+ continue
+ }
+
+ // We don't skip extensions that have an encoded form set,
+ // because the extension value may have been mutated after
+ // the last time this function was called.
+ ei := u.getExtElemInfo(e.desc)
+ v := e.value
+ p := toAddrPointer(&v, ei.isptr)
+ n += ei.sizer(p, ei.tagsize)
+ }
+ mu.Unlock()
+ return n
+}
+
+// appendExtensions marshals a XXX_InternalExtensions field to the end of byte slice b.
+func (u *marshalInfo) appendExtensions(b []byte, ext *XXX_InternalExtensions, deterministic bool) ([]byte, error) {
+ m, mu := ext.extensionsRead()
+ if m == nil {
+ return b, nil
+ }
+ mu.Lock()
+ defer mu.Unlock()
+
+ var err error
+ var nerr nonFatal
+
+ // Fast-path for common cases: zero or one extensions.
+ // Don't bother sorting the keys.
+ if len(m) <= 1 {
+ for _, e := range m {
+ if e.value == nil || e.desc == nil {
+ // Extension is only in its encoded form.
+ b = append(b, e.enc...)
+ continue
+ }
+
+ // We don't skip extensions that have an encoded form set,
+ // because the extension value may have been mutated after
+ // the last time this function was called.
+
+ ei := u.getExtElemInfo(e.desc)
+ v := e.value
+ p := toAddrPointer(&v, ei.isptr)
+ b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
+ if !nerr.Merge(err) {
+ return b, err
+ }
+ }
+ return b, nerr.E
+ }
+
+ // Sort the keys to provide a deterministic encoding.
+ // Not sure this is required, but the old code does it.
+ keys := make([]int, 0, len(m))
+ for k := range m {
+ keys = append(keys, int(k))
+ }
+ sort.Ints(keys)
+
+ for _, k := range keys {
+ e := m[int32(k)]
+ if e.value == nil || e.desc == nil {
+ // Extension is only in its encoded form.
+ b = append(b, e.enc...)
+ continue
+ }
+
+ // We don't skip extensions that have an encoded form set,
+ // because the extension value may have been mutated after
+ // the last time this function was called.
+
+ ei := u.getExtElemInfo(e.desc)
+ v := e.value
+ p := toAddrPointer(&v, ei.isptr)
+ b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
+ if !nerr.Merge(err) {
+ return b, err
+ }
+ }
+ return b, nerr.E
+}
+
+// message set format is:
+// message MessageSet {
+// repeated group Item = 1 {
+// required int32 type_id = 2;
+// required string message = 3;
+// };
+// }
+
+// sizeMessageSet computes the size of encoded data for a XXX_InternalExtensions field
+// in message set format (above).
+func (u *marshalInfo) sizeMessageSet(ext *XXX_InternalExtensions) int {
+ m, mu := ext.extensionsRead()
+ if m == nil {
+ return 0
+ }
+ mu.Lock()
+
+ n := 0
+ for id, e := range m {
+ n += 2 // start group, end group. tag = 1 (size=1)
+ n += SizeVarint(uint64(id)) + 1 // type_id, tag = 2 (size=1)
+
+ if e.value == nil || e.desc == nil {
+ // Extension is only in its encoded form.
+ msgWithLen := skipVarint(e.enc) // skip old tag, but leave the length varint
+ siz := len(msgWithLen)
+ n += siz + 1 // message, tag = 3 (size=1)
+ continue
+ }
+
+ // We don't skip extensions that have an encoded form set,
+ // because the extension value may have been mutated after
+ // the last time this function was called.
+
+ ei := u.getExtElemInfo(e.desc)
+ v := e.value
+ p := toAddrPointer(&v, ei.isptr)
+ n += ei.sizer(p, 1) // message, tag = 3 (size=1)
+ }
+ mu.Unlock()
+ return n
+}
+
+// appendMessageSet marshals a XXX_InternalExtensions field in message set format (above)
+// to the end of byte slice b.
+func (u *marshalInfo) appendMessageSet(b []byte, ext *XXX_InternalExtensions, deterministic bool) ([]byte, error) {
+ m, mu := ext.extensionsRead()
+ if m == nil {
+ return b, nil
+ }
+ mu.Lock()
+ defer mu.Unlock()
+
+ var err error
+ var nerr nonFatal
+
+ // Fast-path for common cases: zero or one extensions.
+ // Don't bother sorting the keys.
+ if len(m) <= 1 {
+ for id, e := range m {
+ b = append(b, 1<<3|WireStartGroup)
+ b = append(b, 2<<3|WireVarint)
+ b = appendVarint(b, uint64(id))
+
+ if e.value == nil || e.desc == nil {
+ // Extension is only in its encoded form.
+ msgWithLen := skipVarint(e.enc) // skip old tag, but leave the length varint
+ b = append(b, 3<<3|WireBytes)
+ b = append(b, msgWithLen...)
+ b = append(b, 1<<3|WireEndGroup)
+ continue
+ }
+
+ // We don't skip extensions that have an encoded form set,
+ // because the extension value may have been mutated after
+ // the last time this function was called.
+
+ ei := u.getExtElemInfo(e.desc)
+ v := e.value
+ p := toAddrPointer(&v, ei.isptr)
+ b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic)
+ if !nerr.Merge(err) {
+ return b, err
+ }
+ b = append(b, 1<<3|WireEndGroup)
+ }
+ return b, nerr.E
+ }
+
+ // Sort the keys to provide a deterministic encoding.
+ keys := make([]int, 0, len(m))
+ for k := range m {
+ keys = append(keys, int(k))
+ }
+ sort.Ints(keys)
+
+ for _, id := range keys {
+ e := m[int32(id)]
+ b = append(b, 1<<3|WireStartGroup)
+ b = append(b, 2<<3|WireVarint)
+ b = appendVarint(b, uint64(id))
+
+ if e.value == nil || e.desc == nil {
+ // Extension is only in its encoded form.
+ msgWithLen := skipVarint(e.enc) // skip old tag, but leave the length varint
+ b = append(b, 3<<3|WireBytes)
+ b = append(b, msgWithLen...)
+ b = append(b, 1<<3|WireEndGroup)
+ continue
+ }
+
+ // We don't skip extensions that have an encoded form set,
+ // because the extension value may have been mutated after
+ // the last time this function was called.
+
+ ei := u.getExtElemInfo(e.desc)
+ v := e.value
+ p := toAddrPointer(&v, ei.isptr)
+ b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic)
+ b = append(b, 1<<3|WireEndGroup)
+ if !nerr.Merge(err) {
+ return b, err
+ }
+ }
+ return b, nerr.E
+}
+
+// sizeV1Extensions computes the size of encoded data for a V1-API extension field.
+func (u *marshalInfo) sizeV1Extensions(m map[int32]Extension) int {
+ if m == nil {
+ return 0
+ }
+
+ n := 0
+ for _, e := range m {
+ if e.value == nil || e.desc == nil {
+ // Extension is only in its encoded form.
+ n += len(e.enc)
+ continue
+ }
+
+ // We don't skip extensions that have an encoded form set,
+ // because the extension value may have been mutated after
+ // the last time this function was called.
+
+ ei := u.getExtElemInfo(e.desc)
+ v := e.value
+ p := toAddrPointer(&v, ei.isptr)
+ n += ei.sizer(p, ei.tagsize)
+ }
+ return n
+}
+
+// appendV1Extensions marshals a V1-API extension field to the end of byte slice b.
+func (u *marshalInfo) appendV1Extensions(b []byte, m map[int32]Extension, deterministic bool) ([]byte, error) {
+ if m == nil {
+ return b, nil
+ }
+
+ // Sort the keys to provide a deterministic encoding.
+ keys := make([]int, 0, len(m))
+ for k := range m {
+ keys = append(keys, int(k))
+ }
+ sort.Ints(keys)
+
+ var err error
+ var nerr nonFatal
+ for _, k := range keys {
+ e := m[int32(k)]
+ if e.value == nil || e.desc == nil {
+ // Extension is only in its encoded form.
+ b = append(b, e.enc...)
+ continue
+ }
+
+ // We don't skip extensions that have an encoded form set,
+ // because the extension value may have been mutated after
+ // the last time this function was called.
+
+ ei := u.getExtElemInfo(e.desc)
+ v := e.value
+ p := toAddrPointer(&v, ei.isptr)
+ b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
+ if !nerr.Merge(err) {
+ return b, err
+ }
+ }
+ return b, nerr.E
+}
+
+// newMarshaler is the interface representing objects that can marshal themselves.
+//
+// This exists to support protoc-gen-go generated messages.
+// The proto package will stop type-asserting to this interface in the future.
+//
+// DO NOT DEPEND ON THIS.
+type newMarshaler interface {
+ XXX_Size() int
+ XXX_Marshal(b []byte, deterministic bool) ([]byte, error)
+}
+
+// Size returns the encoded size of a protocol buffer message.
+// This is the main entry point.
+func Size(pb Message) int {
+ if m, ok := pb.(newMarshaler); ok {
+ return m.XXX_Size()
+ }
+ if m, ok := pb.(Marshaler); ok {
+ // If the message can marshal itself, let it do it, for compatibility.
+ // NOTE: This is not efficient.
+ b, _ := m.Marshal()
+ return len(b)
+ }
+ // in case somehow we didn't generate the wrapper
+ if pb == nil {
+ return 0
+ }
+ var info InternalMessageInfo
+ return info.Size(pb)
+}
+
+// Marshal takes a protocol buffer message
+// and encodes it into the wire format, returning the data.
+// This is the main entry point.
+func Marshal(pb Message) ([]byte, error) {
+ if m, ok := pb.(newMarshaler); ok {
+ siz := m.XXX_Size()
+ b := make([]byte, 0, siz)
+ return m.XXX_Marshal(b, false)
+ }
+ if m, ok := pb.(Marshaler); ok {
+ // If the message can marshal itself, let it do it, for compatibility.
+ // NOTE: This is not efficient.
+ return m.Marshal()
+ }
+ // in case somehow we didn't generate the wrapper
+ if pb == nil {
+ return nil, ErrNil
+ }
+ var info InternalMessageInfo
+ siz := info.Size(pb)
+ b := make([]byte, 0, siz)
+ return info.Marshal(b, pb, false)
+}
+
+// Marshal takes a protocol buffer message
+// and encodes it into the wire format, writing the result to the
+// Buffer.
+// This is an alternative entry point. It is not necessary to use
+// a Buffer for most applications.
+func (p *Buffer) Marshal(pb Message) error {
+ var err error
+ if m, ok := pb.(newMarshaler); ok {
+ siz := m.XXX_Size()
+ p.grow(siz) // make sure buf has enough capacity
+ p.buf, err = m.XXX_Marshal(p.buf, p.deterministic)
+ return err
+ }
+ if m, ok := pb.(Marshaler); ok {
+ // If the message can marshal itself, let it do it, for compatibility.
+ // NOTE: This is not efficient.
+ b, err := m.Marshal()
+ p.buf = append(p.buf, b...)
+ return err
+ }
+ // in case somehow we didn't generate the wrapper
+ if pb == nil {
+ return ErrNil
+ }
+ var info InternalMessageInfo
+ siz := info.Size(pb)
+ p.grow(siz) // make sure buf has enough capacity
+ p.buf, err = info.Marshal(p.buf, pb, p.deterministic)
+ return err
+}
+
+// grow grows the buffer's capacity, if necessary, to guarantee space for
+// another n bytes. After grow(n), at least n bytes can be written to the
+// buffer without another allocation.
+func (p *Buffer) grow(n int) {
+ need := len(p.buf) + n
+ if need <= cap(p.buf) {
+ return
+ }
+ newCap := len(p.buf) * 2
+ if newCap < need {
+ newCap = need
+ }
+ p.buf = append(make([]byte, 0, newCap), p.buf...)
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 17:32:33 +0000