mirror of
https://github.com/strongdm/comply
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Releases after github.com/xanzy/go-gitlab@v0.31.0 introduce breaking changes to the NewClient call. Addresses #94
121 lines
3.2 KiB
Go
121 lines
3.2 KiB
Go
// Copyright 2019 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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"sort"
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"google.golang.org/protobuf/encoding/protowire"
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"google.golang.org/protobuf/internal/encoding/messageset"
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"google.golang.org/protobuf/internal/errors"
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"google.golang.org/protobuf/internal/flags"
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)
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func sizeMessageSet(mi *MessageInfo, p pointer, opts marshalOptions) (size int) {
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if !flags.ProtoLegacy {
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return 0
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}
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ext := *p.Apply(mi.extensionOffset).Extensions()
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for _, x := range ext {
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xi := getExtensionFieldInfo(x.Type())
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if xi.funcs.size == nil {
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continue
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}
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num, _ := protowire.DecodeTag(xi.wiretag)
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size += messageset.SizeField(num)
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size += xi.funcs.size(x.Value(), protowire.SizeTag(messageset.FieldMessage), opts)
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}
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unknown := *p.Apply(mi.unknownOffset).Bytes()
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size += messageset.SizeUnknown(unknown)
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return size
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}
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func marshalMessageSet(mi *MessageInfo, b []byte, p pointer, opts marshalOptions) ([]byte, error) {
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if !flags.ProtoLegacy {
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return b, errors.New("no support for message_set_wire_format")
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}
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ext := *p.Apply(mi.extensionOffset).Extensions()
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switch len(ext) {
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case 0:
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case 1:
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// Fast-path for one extension: Don't bother sorting the keys.
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for _, x := range ext {
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var err error
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b, err = marshalMessageSetField(mi, b, x, opts)
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if err != nil {
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return b, err
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}
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}
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default:
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// Sort the keys to provide a deterministic encoding.
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// Not sure this is required, but the old code does it.
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keys := make([]int, 0, len(ext))
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for k := range ext {
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keys = append(keys, int(k))
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}
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sort.Ints(keys)
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for _, k := range keys {
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var err error
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b, err = marshalMessageSetField(mi, b, ext[int32(k)], opts)
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if err != nil {
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return b, err
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}
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}
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}
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unknown := *p.Apply(mi.unknownOffset).Bytes()
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b, err := messageset.AppendUnknown(b, unknown)
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if err != nil {
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return b, err
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}
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return b, nil
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}
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func marshalMessageSetField(mi *MessageInfo, b []byte, x ExtensionField, opts marshalOptions) ([]byte, error) {
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xi := getExtensionFieldInfo(x.Type())
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num, _ := protowire.DecodeTag(xi.wiretag)
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b = messageset.AppendFieldStart(b, num)
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b, err := xi.funcs.marshal(b, x.Value(), protowire.EncodeTag(messageset.FieldMessage, protowire.BytesType), opts)
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if err != nil {
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return b, err
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}
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b = messageset.AppendFieldEnd(b)
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return b, nil
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}
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func unmarshalMessageSet(mi *MessageInfo, b []byte, p pointer, opts unmarshalOptions) (out unmarshalOutput, err error) {
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if !flags.ProtoLegacy {
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return out, errors.New("no support for message_set_wire_format")
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}
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ep := p.Apply(mi.extensionOffset).Extensions()
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if *ep == nil {
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*ep = make(map[int32]ExtensionField)
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}
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ext := *ep
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unknown := p.Apply(mi.unknownOffset).Bytes()
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initialized := true
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err = messageset.Unmarshal(b, true, func(num protowire.Number, v []byte) error {
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o, err := mi.unmarshalExtension(v, num, protowire.BytesType, ext, opts)
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if err == errUnknown {
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*unknown = protowire.AppendTag(*unknown, num, protowire.BytesType)
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*unknown = append(*unknown, v...)
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return nil
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}
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if !o.initialized {
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initialized = false
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}
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return err
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})
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out.n = len(b)
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out.initialized = initialized
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return out, err
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}
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