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// Protocol Buffers for Go with Gadgets
//
// Copyright (c) 2018, The GoGo Authors. All rights reserved.
// http://github.com/gogo/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.
//
// 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 (
"reflect"
"time"
)
// makeMessageRefMarshaler differs a bit from makeMessageMarshaler
// It marshal a message T instead of a *T
func makeMessageRefMarshaler(u *marshalInfo) (sizer, marshaler) {
return func(ptr pointer, tagsize int) int {
siz := u.size(ptr)
return siz + SizeVarint(uint64(siz)) + tagsize
},
func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
b = appendVarint(b, wiretag)
siz := u.cachedsize(ptr)
b = appendVarint(b, uint64(siz))
return u.marshal(b, ptr, deterministic)
}
}
// makeMessageRefSliceMarshaler differs quite a lot from makeMessageSliceMarshaler
// It marshals a slice of messages []T instead of []*T
func makeMessageRefSliceMarshaler(u *marshalInfo) (sizer, marshaler) {
return func(ptr pointer, tagsize int) int {
s := ptr.getSlice(u.typ)
n := 0
for i := 0; i < s.Len(); i++ {
elem := s.Index(i)
e := elem.Interface()
v := toAddrPointer(&e, false)
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.getSlice(u.typ)
var err, errreq error
for i := 0; i < s.Len(); i++ {
elem := s.Index(i)
e := elem.Interface()
v := toAddrPointer(&e, false)
b = appendVarint(b, wiretag)
siz := u.size(v)
b = appendVarint(b, uint64(siz))
b, err = u.marshal(b, v, deterministic)
if err != nil {
if _, ok := err.(*RequiredNotSetError); ok {
// Required field in submessage is not set.
// We record the error but keep going, to give a complete marshaling.
if errreq == nil {
errreq = err
}
continue
}
if err == ErrNil {
err = errRepeatedHasNil
}
return b, err
}
}
return b, errreq
}
}
func makeCustomPtrMarshaler(u *marshalInfo) (sizer, marshaler) {
return func(ptr pointer, tagsize int) int {
if ptr.isNil() {
return 0
}
m := ptr.asPointerTo(reflect.PtrTo(u.typ)).Elem().Interface().(custom)
siz := m.Size()
return tagsize + SizeVarint(uint64(siz)) + siz
}, func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
if ptr.isNil() {
return b, nil
}
m := ptr.asPointerTo(reflect.PtrTo(u.typ)).Elem().Interface().(custom)
siz := m.Size()
buf, err := m.Marshal()
if err != nil {
return nil, err
}
b = appendVarint(b, wiretag)
b = appendVarint(b, uint64(siz))
b = append(b, buf...)
return b, nil
}
}
func makeCustomMarshaler(u *marshalInfo) (sizer, marshaler) {
return func(ptr pointer, tagsize int) int {
m := ptr.asPointerTo(u.typ).Interface().(custom)
siz := m.Size()
return tagsize + SizeVarint(uint64(siz)) + siz
}, func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
m := ptr.asPointerTo(u.typ).Interface().(custom)
siz := m.Size()
buf, err := m.Marshal()
if err != nil {
return nil, err
}
b = appendVarint(b, wiretag)
b = appendVarint(b, uint64(siz))
b = append(b, buf...)
return b, nil
}
}
func makeTimeMarshaler(u *marshalInfo) (sizer, marshaler) {
return func(ptr pointer, tagsize int) int {
t := ptr.asPointerTo(u.typ).Interface().(*time.Time)
ts, err := timestampProto(*t)
if err != nil {
return 0
}
siz := Size(ts)
return tagsize + SizeVarint(uint64(siz)) + siz
}, func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
t := ptr.asPointerTo(u.typ).Interface().(*time.Time)
ts, err := timestampProto(*t)
if err != nil {
return nil, err
}
buf, err := Marshal(ts)
if err != nil {
return nil, err
}
b = appendVarint(b, wiretag)
b = appendVarint(b, uint64(len(buf)))
b = append(b, buf...)
return b, nil
}
}
func makeTimePtrMarshaler(u *marshalInfo) (sizer, marshaler) {
return func(ptr pointer, tagsize int) int {
if ptr.isNil() {
return 0
}
t := ptr.asPointerTo(reflect.PtrTo(u.typ)).Elem().Interface().(*time.Time)
ts, err := timestampProto(*t)
if err != nil {
return 0
}
siz := Size(ts)
return tagsize + SizeVarint(uint64(siz)) + siz
}, func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
if ptr.isNil() {
return b, nil
}
t := ptr.asPointerTo(reflect.PtrTo(u.typ)).Elem().Interface().(*time.Time)
ts, err := timestampProto(*t)
if err != nil {
return nil, err
}
buf, err := Marshal(ts)
if err != nil {
return nil, err
}
b = appendVarint(b, wiretag)
b = appendVarint(b, uint64(len(buf)))
b = append(b, buf...)
return b, nil
}
}
func makeTimeSliceMarshaler(u *marshalInfo) (sizer, marshaler) {
return func(ptr pointer, tagsize int) int {
s := ptr.getSlice(u.typ)
n := 0
for i := 0; i < s.Len(); i++ {
elem := s.Index(i)
t := elem.Interface().(time.Time)
ts, err := timestampProto(t)
if err != nil {
return 0
}
siz := Size(ts)
n += siz + SizeVarint(uint64(siz)) + tagsize
}
return n
},
func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
s := ptr.getSlice(u.typ)
for i := 0; i < s.Len(); i++ {
elem := s.Index(i)
t := elem.Interface().(time.Time)
ts, err := timestampProto(t)
if err != nil {
return nil, err
}
siz := Size(ts)
buf, err := Marshal(ts)
if err != nil {
return nil, err
}
b = appendVarint(b, wiretag)
b = appendVarint(b, uint64(siz))
b = append(b, buf...)
}
return b, nil
}
}
func makeTimePtrSliceMarshaler(u *marshalInfo) (sizer, marshaler) {
return func(ptr pointer, tagsize int) int {
s := ptr.getSlice(reflect.PtrTo(u.typ))
n := 0
for i := 0; i < s.Len(); i++ {
elem := s.Index(i)
t := elem.Interface().(*time.Time)
ts, err := timestampProto(*t)
if err != nil {
return 0
}
siz := Size(ts)
n += siz + SizeVarint(uint64(siz)) + tagsize
}
return n
},
func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
s := ptr.getSlice(reflect.PtrTo(u.typ))
for i := 0; i < s.Len(); i++ {
elem := s.Index(i)
t := elem.Interface().(*time.Time)
ts, err := timestampProto(*t)
if err != nil {
return nil, err
}
siz := Size(ts)
buf, err := Marshal(ts)
if err != nil {
return nil, err
}
b = appendVarint(b, wiretag)
b = appendVarint(b, uint64(siz))
b = append(b, buf...)
}
return b, nil
}
}
func makeDurationMarshaler(u *marshalInfo) (sizer, marshaler) {
return func(ptr pointer, tagsize int) int {
d := ptr.asPointerTo(u.typ).Interface().(*time.Duration)
dur := durationProto(*d)
siz := Size(dur)
return tagsize + SizeVarint(uint64(siz)) + siz
}, func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
d := ptr.asPointerTo(u.typ).Interface().(*time.Duration)
dur := durationProto(*d)
buf, err := Marshal(dur)
if err != nil {
return nil, err
}
b = appendVarint(b, wiretag)
b = appendVarint(b, uint64(len(buf)))
b = append(b, buf...)
return b, nil
}
}
func makeDurationPtrMarshaler(u *marshalInfo) (sizer, marshaler) {
return func(ptr pointer, tagsize int) int {
if ptr.isNil() {
return 0
}
d := ptr.asPointerTo(reflect.PtrTo(u.typ)).Elem().Interface().(*time.Duration)
dur := durationProto(*d)
siz := Size(dur)
return tagsize + SizeVarint(uint64(siz)) + siz
}, func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
if ptr.isNil() {
return b, nil
}
d := ptr.asPointerTo(reflect.PtrTo(u.typ)).Elem().Interface().(*time.Duration)
dur := durationProto(*d)
buf, err := Marshal(dur)
if err != nil {
return nil, err
}
b = appendVarint(b, wiretag)
b = appendVarint(b, uint64(len(buf)))
b = append(b, buf...)
return b, nil
}
}
func makeDurationSliceMarshaler(u *marshalInfo) (sizer, marshaler) {
return func(ptr pointer, tagsize int) int {
s := ptr.getSlice(u.typ)
n := 0
for i := 0; i < s.Len(); i++ {
elem := s.Index(i)
d := elem.Interface().(time.Duration)
dur := durationProto(d)
siz := Size(dur)
n += siz + SizeVarint(uint64(siz)) + tagsize
}
return n
},
func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
s := ptr.getSlice(u.typ)
for i := 0; i < s.Len(); i++ {
elem := s.Index(i)
d := elem.Interface().(time.Duration)
dur := durationProto(d)
siz := Size(dur)
buf, err := Marshal(dur)
if err != nil {
return nil, err
}
b = appendVarint(b, wiretag)
b = appendVarint(b, uint64(siz))
b = append(b, buf...)
}
return b, nil
}
}
func makeDurationPtrSliceMarshaler(u *marshalInfo) (sizer, marshaler) {
return func(ptr pointer, tagsize int) int {
s := ptr.getSlice(reflect.PtrTo(u.typ))
n := 0
for i := 0; i < s.Len(); i++ {
elem := s.Index(i)
d := elem.Interface().(*time.Duration)
dur := durationProto(*d)
siz := Size(dur)
n += siz + SizeVarint(uint64(siz)) + tagsize
}
return n
},
func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
s := ptr.getSlice(reflect.PtrTo(u.typ))
for i := 0; i < s.Len(); i++ {
elem := s.Index(i)
d := elem.Interface().(*time.Duration)
dur := durationProto(*d)
siz := Size(dur)
buf, err := Marshal(dur)
if err != nil {
return nil, err
}
b = appendVarint(b, wiretag)
b = appendVarint(b, uint64(siz))
b = append(b, buf...)
}
return b, nil
}
}