mirror of
https://github.com/strongdm/comply
synced 2024-08-27 17:56:48 +00:00
Releases after github.com/xanzy/go-gitlab@v0.31.0 introduce breaking changes to the NewClient call. Addresses #94
177 lines
4.4 KiB
Go
177 lines
4.4 KiB
Go
// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package impl
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import (
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"fmt"
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"reflect"
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"google.golang.org/protobuf/proto"
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pref "google.golang.org/protobuf/reflect/protoreflect"
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piface "google.golang.org/protobuf/runtime/protoiface"
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)
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type mergeOptions struct{}
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func (o mergeOptions) Merge(dst, src proto.Message) {
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proto.Merge(dst, src)
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}
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// merge is protoreflect.Methods.Merge.
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func (mi *MessageInfo) merge(in piface.MergeInput) piface.MergeOutput {
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dp, ok := mi.getPointer(in.Destination)
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if !ok {
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return piface.MergeOutput{}
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}
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sp, ok := mi.getPointer(in.Source)
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if !ok {
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return piface.MergeOutput{}
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}
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mi.mergePointer(dp, sp, mergeOptions{})
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return piface.MergeOutput{Flags: piface.MergeComplete}
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}
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func (mi *MessageInfo) mergePointer(dst, src pointer, opts mergeOptions) {
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mi.init()
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if dst.IsNil() {
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panic(fmt.Sprintf("invalid value: merging into nil message"))
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}
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if src.IsNil() {
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return
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}
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for _, f := range mi.orderedCoderFields {
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if f.funcs.merge == nil {
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continue
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}
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sfptr := src.Apply(f.offset)
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if f.isPointer && sfptr.Elem().IsNil() {
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continue
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}
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f.funcs.merge(dst.Apply(f.offset), sfptr, f, opts)
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}
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if mi.extensionOffset.IsValid() {
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sext := src.Apply(mi.extensionOffset).Extensions()
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dext := dst.Apply(mi.extensionOffset).Extensions()
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if *dext == nil {
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*dext = make(map[int32]ExtensionField)
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}
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for num, sx := range *sext {
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xt := sx.Type()
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xi := getExtensionFieldInfo(xt)
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if xi.funcs.merge == nil {
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continue
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}
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dx := (*dext)[num]
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var dv pref.Value
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if dx.Type() == sx.Type() {
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dv = dx.Value()
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}
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if !dv.IsValid() && xi.unmarshalNeedsValue {
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dv = xt.New()
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}
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dv = xi.funcs.merge(dv, sx.Value(), opts)
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dx.Set(sx.Type(), dv)
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(*dext)[num] = dx
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}
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}
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if mi.unknownOffset.IsValid() {
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du := dst.Apply(mi.unknownOffset).Bytes()
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su := src.Apply(mi.unknownOffset).Bytes()
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if len(*su) > 0 {
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*du = append(*du, *su...)
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}
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}
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}
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func mergeScalarValue(dst, src pref.Value, opts mergeOptions) pref.Value {
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return src
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}
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func mergeBytesValue(dst, src pref.Value, opts mergeOptions) pref.Value {
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return pref.ValueOfBytes(append(emptyBuf[:], src.Bytes()...))
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}
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func mergeListValue(dst, src pref.Value, opts mergeOptions) pref.Value {
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dstl := dst.List()
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srcl := src.List()
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for i, llen := 0, srcl.Len(); i < llen; i++ {
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dstl.Append(srcl.Get(i))
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}
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return dst
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}
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func mergeBytesListValue(dst, src pref.Value, opts mergeOptions) pref.Value {
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dstl := dst.List()
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srcl := src.List()
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for i, llen := 0, srcl.Len(); i < llen; i++ {
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sb := srcl.Get(i).Bytes()
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db := append(emptyBuf[:], sb...)
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dstl.Append(pref.ValueOfBytes(db))
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}
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return dst
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}
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func mergeMessageListValue(dst, src pref.Value, opts mergeOptions) pref.Value {
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dstl := dst.List()
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srcl := src.List()
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for i, llen := 0, srcl.Len(); i < llen; i++ {
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sm := srcl.Get(i).Message()
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dm := proto.Clone(sm.Interface()).ProtoReflect()
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dstl.Append(pref.ValueOfMessage(dm))
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}
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return dst
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}
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func mergeMessageValue(dst, src pref.Value, opts mergeOptions) pref.Value {
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opts.Merge(dst.Message().Interface(), src.Message().Interface())
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return dst
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}
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func mergeMessage(dst, src pointer, f *coderFieldInfo, opts mergeOptions) {
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if f.mi != nil {
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if dst.Elem().IsNil() {
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dst.SetPointer(pointerOfValue(reflect.New(f.mi.GoReflectType.Elem())))
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}
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f.mi.mergePointer(dst.Elem(), src.Elem(), opts)
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} else {
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dm := dst.AsValueOf(f.ft).Elem()
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sm := src.AsValueOf(f.ft).Elem()
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if dm.IsNil() {
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dm.Set(reflect.New(f.ft.Elem()))
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}
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opts.Merge(asMessage(dm), asMessage(sm))
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}
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}
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func mergeMessageSlice(dst, src pointer, f *coderFieldInfo, opts mergeOptions) {
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for _, sp := range src.PointerSlice() {
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dm := reflect.New(f.ft.Elem().Elem())
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if f.mi != nil {
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f.mi.mergePointer(pointerOfValue(dm), sp, opts)
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} else {
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opts.Merge(asMessage(dm), asMessage(sp.AsValueOf(f.ft.Elem().Elem())))
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}
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dst.AppendPointerSlice(pointerOfValue(dm))
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}
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}
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func mergeBytes(dst, src pointer, _ *coderFieldInfo, _ mergeOptions) {
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*dst.Bytes() = append(emptyBuf[:], *src.Bytes()...)
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}
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func mergeBytesNoZero(dst, src pointer, _ *coderFieldInfo, _ mergeOptions) {
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v := *src.Bytes()
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if len(v) > 0 {
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*dst.Bytes() = append(emptyBuf[:], v...)
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}
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}
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func mergeBytesSlice(dst, src pointer, _ *coderFieldInfo, _ mergeOptions) {
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ds := dst.BytesSlice()
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for _, v := range *src.BytesSlice() {
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*ds = append(*ds, append(emptyBuf[:], v...))
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}
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}
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