mirror of
https://github.com/genuinetools/reg.git
synced 2024-08-21 14:20:23 -04:00
386 lines
9.6 KiB
Go
386 lines
9.6 KiB
Go
![]() |
// Protocol Buffers for Go with Gadgets
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//
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// Copyright (c) 2018, The GoGo Authors. All rights reserved.
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// http://github.com/gogo/protobuf
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package proto
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import (
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"io"
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"reflect"
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)
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func makeUnmarshalMessage(sub *unmarshalInfo, name string) unmarshaler {
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return func(b []byte, f pointer, w int) ([]byte, error) {
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if w != WireBytes {
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return nil, errInternalBadWireType
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}
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x, n := decodeVarint(b)
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if n == 0 {
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return nil, io.ErrUnexpectedEOF
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}
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b = b[n:]
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if x > uint64(len(b)) {
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return nil, io.ErrUnexpectedEOF
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}
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// First read the message field to see if something is there.
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// The semantics of multiple submessages are weird. Instead of
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// the last one winning (as it is for all other fields), multiple
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// submessages are merged.
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v := f // gogo: changed from v := f.getPointer()
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if v.isNil() {
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v = valToPointer(reflect.New(sub.typ))
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f.setPointer(v)
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}
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err := sub.unmarshal(v, b[:x])
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if err != nil {
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if r, ok := err.(*RequiredNotSetError); ok {
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r.field = name + "." + r.field
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} else {
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return nil, err
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}
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}
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return b[x:], err
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}
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}
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func makeUnmarshalMessageSlice(sub *unmarshalInfo, name string) unmarshaler {
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return func(b []byte, f pointer, w int) ([]byte, error) {
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if w != WireBytes {
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return nil, errInternalBadWireType
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}
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x, n := decodeVarint(b)
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if n == 0 {
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return nil, io.ErrUnexpectedEOF
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}
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b = b[n:]
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if x > uint64(len(b)) {
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return nil, io.ErrUnexpectedEOF
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}
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v := valToPointer(reflect.New(sub.typ))
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err := sub.unmarshal(v, b[:x])
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if err != nil {
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if r, ok := err.(*RequiredNotSetError); ok {
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r.field = name + "." + r.field
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} else {
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return nil, err
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}
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}
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f.appendRef(v, sub.typ) // gogo: changed from f.appendPointer(v)
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return b[x:], err
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}
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}
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func makeUnmarshalCustomPtr(sub *unmarshalInfo, name string) unmarshaler {
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return func(b []byte, f pointer, w int) ([]byte, error) {
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if w != WireBytes {
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return nil, errInternalBadWireType
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}
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x, n := decodeVarint(b)
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if n == 0 {
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return nil, io.ErrUnexpectedEOF
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}
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b = b[n:]
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if x > uint64(len(b)) {
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return nil, io.ErrUnexpectedEOF
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}
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s := f.asPointerTo(reflect.PtrTo(sub.typ)).Elem()
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s.Set(reflect.New(sub.typ))
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m := s.Interface().(custom)
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if err := m.Unmarshal(b[:x]); err != nil {
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return nil, err
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}
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return b[x:], nil
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}
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}
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func makeUnmarshalCustomSlice(sub *unmarshalInfo, name string) unmarshaler {
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return func(b []byte, f pointer, w int) ([]byte, error) {
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if w != WireBytes {
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return nil, errInternalBadWireType
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}
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x, n := decodeVarint(b)
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if n == 0 {
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return nil, io.ErrUnexpectedEOF
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}
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b = b[n:]
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if x > uint64(len(b)) {
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return nil, io.ErrUnexpectedEOF
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}
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m := reflect.New(sub.typ)
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c := m.Interface().(custom)
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if err := c.Unmarshal(b[:x]); err != nil {
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return nil, err
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}
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v := valToPointer(m)
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f.appendRef(v, sub.typ)
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return b[x:], nil
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}
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}
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func makeUnmarshalCustom(sub *unmarshalInfo, name string) unmarshaler {
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return func(b []byte, f pointer, w int) ([]byte, error) {
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if w != WireBytes {
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return nil, errInternalBadWireType
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}
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x, n := decodeVarint(b)
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if n == 0 {
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return nil, io.ErrUnexpectedEOF
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}
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b = b[n:]
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if x > uint64(len(b)) {
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return nil, io.ErrUnexpectedEOF
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}
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m := f.asPointerTo(sub.typ).Interface().(custom)
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if err := m.Unmarshal(b[:x]); err != nil {
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return nil, err
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}
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return b[x:], nil
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}
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}
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func makeUnmarshalTime(sub *unmarshalInfo, name string) unmarshaler {
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return func(b []byte, f pointer, w int) ([]byte, error) {
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if w != WireBytes {
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return nil, errInternalBadWireType
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}
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x, n := decodeVarint(b)
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if n == 0 {
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return nil, io.ErrUnexpectedEOF
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}
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b = b[n:]
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if x > uint64(len(b)) {
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return nil, io.ErrUnexpectedEOF
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}
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m := ×tamp{}
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if err := Unmarshal(b[:x], m); err != nil {
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return nil, err
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}
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t, err := timestampFromProto(m)
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if err != nil {
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return nil, err
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}
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s := f.asPointerTo(sub.typ).Elem()
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s.Set(reflect.ValueOf(t))
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return b[x:], nil
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}
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}
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func makeUnmarshalTimePtr(sub *unmarshalInfo, name string) unmarshaler {
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return func(b []byte, f pointer, w int) ([]byte, error) {
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if w != WireBytes {
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return nil, errInternalBadWireType
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}
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x, n := decodeVarint(b)
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if n == 0 {
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return nil, io.ErrUnexpectedEOF
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}
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b = b[n:]
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if x > uint64(len(b)) {
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return nil, io.ErrUnexpectedEOF
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}
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m := ×tamp{}
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if err := Unmarshal(b[:x], m); err != nil {
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return nil, err
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}
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t, err := timestampFromProto(m)
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if err != nil {
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return nil, err
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}
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s := f.asPointerTo(reflect.PtrTo(sub.typ)).Elem()
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s.Set(reflect.ValueOf(&t))
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return b[x:], nil
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}
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}
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func makeUnmarshalTimePtrSlice(sub *unmarshalInfo, name string) unmarshaler {
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return func(b []byte, f pointer, w int) ([]byte, error) {
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if w != WireBytes {
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return nil, errInternalBadWireType
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}
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x, n := decodeVarint(b)
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if n == 0 {
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return nil, io.ErrUnexpectedEOF
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}
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b = b[n:]
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if x > uint64(len(b)) {
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return nil, io.ErrUnexpectedEOF
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}
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m := ×tamp{}
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if err := Unmarshal(b[:x], m); err != nil {
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return nil, err
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}
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t, err := timestampFromProto(m)
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if err != nil {
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return nil, err
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}
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slice := f.getSlice(reflect.PtrTo(sub.typ))
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newSlice := reflect.Append(slice, reflect.ValueOf(&t))
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slice.Set(newSlice)
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return b[x:], nil
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}
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}
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func makeUnmarshalTimeSlice(sub *unmarshalInfo, name string) unmarshaler {
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return func(b []byte, f pointer, w int) ([]byte, error) {
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if w != WireBytes {
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return nil, errInternalBadWireType
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}
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x, n := decodeVarint(b)
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if n == 0 {
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return nil, io.ErrUnexpectedEOF
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}
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b = b[n:]
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if x > uint64(len(b)) {
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return nil, io.ErrUnexpectedEOF
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}
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m := ×tamp{}
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if err := Unmarshal(b[:x], m); err != nil {
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return nil, err
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}
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t, err := timestampFromProto(m)
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if err != nil {
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return nil, err
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}
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slice := f.getSlice(sub.typ)
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newSlice := reflect.Append(slice, reflect.ValueOf(t))
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slice.Set(newSlice)
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return b[x:], nil
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}
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}
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func makeUnmarshalDurationPtr(sub *unmarshalInfo, name string) unmarshaler {
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return func(b []byte, f pointer, w int) ([]byte, error) {
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if w != WireBytes {
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return nil, errInternalBadWireType
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}
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x, n := decodeVarint(b)
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if n == 0 {
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return nil, io.ErrUnexpectedEOF
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}
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b = b[n:]
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if x > uint64(len(b)) {
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return nil, io.ErrUnexpectedEOF
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}
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m := &duration{}
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if err := Unmarshal(b[:x], m); err != nil {
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return nil, err
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}
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d, err := durationFromProto(m)
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if err != nil {
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return nil, err
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}
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s := f.asPointerTo(reflect.PtrTo(sub.typ)).Elem()
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s.Set(reflect.ValueOf(&d))
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return b[x:], nil
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}
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}
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func makeUnmarshalDuration(sub *unmarshalInfo, name string) unmarshaler {
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return func(b []byte, f pointer, w int) ([]byte, error) {
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if w != WireBytes {
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return nil, errInternalBadWireType
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}
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x, n := decodeVarint(b)
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if n == 0 {
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return nil, io.ErrUnexpectedEOF
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}
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b = b[n:]
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if x > uint64(len(b)) {
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return nil, io.ErrUnexpectedEOF
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}
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m := &duration{}
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if err := Unmarshal(b[:x], m); err != nil {
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return nil, err
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}
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d, err := durationFromProto(m)
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if err != nil {
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return nil, err
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}
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s := f.asPointerTo(sub.typ).Elem()
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s.Set(reflect.ValueOf(d))
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return b[x:], nil
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}
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}
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func makeUnmarshalDurationPtrSlice(sub *unmarshalInfo, name string) unmarshaler {
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return func(b []byte, f pointer, w int) ([]byte, error) {
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if w != WireBytes {
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return nil, errInternalBadWireType
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}
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x, n := decodeVarint(b)
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if n == 0 {
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return nil, io.ErrUnexpectedEOF
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}
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b = b[n:]
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if x > uint64(len(b)) {
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return nil, io.ErrUnexpectedEOF
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}
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m := &duration{}
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if err := Unmarshal(b[:x], m); err != nil {
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return nil, err
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}
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d, err := durationFromProto(m)
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if err != nil {
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return nil, err
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}
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slice := f.getSlice(reflect.PtrTo(sub.typ))
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newSlice := reflect.Append(slice, reflect.ValueOf(&d))
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slice.Set(newSlice)
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return b[x:], nil
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}
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}
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func makeUnmarshalDurationSlice(sub *unmarshalInfo, name string) unmarshaler {
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return func(b []byte, f pointer, w int) ([]byte, error) {
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if w != WireBytes {
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return nil, errInternalBadWireType
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}
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x, n := decodeVarint(b)
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if n == 0 {
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return nil, io.ErrUnexpectedEOF
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}
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b = b[n:]
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if x > uint64(len(b)) {
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return nil, io.ErrUnexpectedEOF
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}
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m := &duration{}
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if err := Unmarshal(b[:x], m); err != nil {
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return nil, err
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}
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d, err := durationFromProto(m)
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if err != nil {
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return nil, err
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}
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slice := f.getSlice(sub.typ)
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newSlice := reflect.Append(slice, reflect.ValueOf(d))
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slice.Set(newSlice)
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return b[x:], nil
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}
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}
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