Vendor Update: go-gitlab v0.22.1 -> v0.31.0 (#11136)
* vendor update: go-gitlab to v0.31.0 * migrate client init to v0.31.0 * refactor
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256 changed files with 36039 additions and 12965 deletions
324
vendor/github.com/golang/protobuf/proto/buffer.go
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324
vendor/github.com/golang/protobuf/proto/buffer.go
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// 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 proto
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import (
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"errors"
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"fmt"
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"google.golang.org/protobuf/encoding/prototext"
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"google.golang.org/protobuf/encoding/protowire"
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"google.golang.org/protobuf/runtime/protoimpl"
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)
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const (
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WireVarint = 0
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WireFixed32 = 5
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WireFixed64 = 1
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WireBytes = 2
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WireStartGroup = 3
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WireEndGroup = 4
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)
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// EncodeVarint returns the varint encoded bytes of v.
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func EncodeVarint(v uint64) []byte {
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return protowire.AppendVarint(nil, v)
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}
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// SizeVarint returns the length of the varint encoded bytes of v.
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// This is equal to len(EncodeVarint(v)).
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func SizeVarint(v uint64) int {
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return protowire.SizeVarint(v)
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}
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// DecodeVarint parses a varint encoded integer from b, returning the
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// integer value and the length of the varint.
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// It returns (0, 0) if there is a parse error.
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func DecodeVarint(b []byte) (uint64, int) {
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v, n := protowire.ConsumeVarint(b)
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if n < 0 {
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return 0, 0
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}
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return v, n
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}
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// Buffer is a buffer for encoding and decoding the protobuf wire format.
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// It may be reused between invocations to reduce memory usage.
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type Buffer struct {
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buf []byte
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idx int
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deterministic bool
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}
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// NewBuffer allocates a new Buffer initialized with buf,
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// where the contents of buf are considered the unread portion of the buffer.
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func NewBuffer(buf []byte) *Buffer {
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return &Buffer{buf: buf}
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}
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// SetDeterministic specifies whether to use deterministic serialization.
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//
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// Deterministic serialization guarantees that for a given binary, equal
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// messages will always be serialized to the same bytes. This implies:
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//
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// - Repeated serialization of a message will return the same bytes.
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// - Different processes of the same binary (which may be executing on
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// different machines) will serialize equal messages to the same bytes.
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//
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// Note that the deterministic serialization is NOT canonical across
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// languages. It is not guaranteed to remain stable over time. It is unstable
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// across different builds with schema changes due to unknown fields.
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// Users who need canonical serialization (e.g., persistent storage in a
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// canonical form, fingerprinting, etc.) should define their own
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// canonicalization specification and implement their own serializer rather
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// than relying on this API.
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//
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// If deterministic serialization is requested, map entries will be sorted
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// by keys in lexographical order. This is an implementation detail and
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// subject to change.
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func (b *Buffer) SetDeterministic(deterministic bool) {
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b.deterministic = deterministic
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}
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// SetBuf sets buf as the internal buffer,
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// where the contents of buf are considered the unread portion of the buffer.
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func (b *Buffer) SetBuf(buf []byte) {
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b.buf = buf
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b.idx = 0
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}
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// Reset clears the internal buffer of all written and unread data.
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func (b *Buffer) Reset() {
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b.buf = b.buf[:0]
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b.idx = 0
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}
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// Bytes returns the internal buffer.
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func (b *Buffer) Bytes() []byte {
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return b.buf
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}
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// Unread returns the unread portion of the buffer.
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func (b *Buffer) Unread() []byte {
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return b.buf[b.idx:]
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}
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// Marshal appends the wire-format encoding of m to the buffer.
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func (b *Buffer) Marshal(m Message) error {
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var err error
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b.buf, err = marshalAppend(b.buf, m, b.deterministic)
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return err
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}
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// Unmarshal parses the wire-format message in the buffer and places the decoded results in m.
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//
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// Unlike proto.Unmarshal, this does not reset the message before starting to unmarshal.
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func (b *Buffer) Unmarshal(m Message) error {
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err := UnmarshalMerge(b.Unread(), m)
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b.idx = len(b.buf)
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return err
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}
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type unknownFields struct{ XXX_unrecognized protoimpl.UnknownFields }
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func (m *unknownFields) String() string { panic("not implemented") }
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func (m *unknownFields) Reset() { panic("not implemented") }
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func (m *unknownFields) ProtoMessage() { panic("not implemented") }
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// DebugPrint dumps the encoded bytes of b with a header and footer including s
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// to stdout. This is only intended for debugging.
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func (*Buffer) DebugPrint(s string, b []byte) {
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m := MessageReflect(new(unknownFields))
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m.SetUnknown(b)
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b, _ = prototext.MarshalOptions{AllowPartial: true, Indent: "\t"}.Marshal(m.Interface())
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fmt.Printf("==== %s ====\n%s==== %s ====\n", s, b, s)
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}
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// EncodeVarint appends an unsigned varint encoding to the buffer.
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func (b *Buffer) EncodeVarint(v uint64) error {
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b.buf = protowire.AppendVarint(b.buf, v)
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return nil
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}
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// EncodeZigzag32 appends a 32-bit zig-zag varint encoding to the buffer.
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func (b *Buffer) EncodeZigzag32(v uint64) error {
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return b.EncodeVarint(uint64((uint32(v) << 1) ^ uint32((int32(v) >> 31))))
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}
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// EncodeZigzag64 appends a 64-bit zig-zag varint encoding to the buffer.
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func (b *Buffer) EncodeZigzag64(v uint64) error {
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return b.EncodeVarint(uint64((uint64(v) << 1) ^ uint64((int64(v) >> 63))))
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}
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// EncodeFixed32 appends a 32-bit little-endian integer to the buffer.
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func (b *Buffer) EncodeFixed32(v uint64) error {
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b.buf = protowire.AppendFixed32(b.buf, uint32(v))
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return nil
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}
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// EncodeFixed64 appends a 64-bit little-endian integer to the buffer.
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func (b *Buffer) EncodeFixed64(v uint64) error {
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b.buf = protowire.AppendFixed64(b.buf, uint64(v))
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return nil
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}
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// EncodeRawBytes appends a length-prefixed raw bytes to the buffer.
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func (b *Buffer) EncodeRawBytes(v []byte) error {
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b.buf = protowire.AppendBytes(b.buf, v)
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return nil
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}
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// EncodeStringBytes appends a length-prefixed raw bytes to the buffer.
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// It does not validate whether v contains valid UTF-8.
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func (b *Buffer) EncodeStringBytes(v string) error {
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b.buf = protowire.AppendString(b.buf, v)
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return nil
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}
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// EncodeMessage appends a length-prefixed encoded message to the buffer.
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func (b *Buffer) EncodeMessage(m Message) error {
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var err error
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b.buf = protowire.AppendVarint(b.buf, uint64(Size(m)))
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b.buf, err = marshalAppend(b.buf, m, b.deterministic)
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return err
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}
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// DecodeVarint consumes an encoded unsigned varint from the buffer.
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func (b *Buffer) DecodeVarint() (uint64, error) {
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v, n := protowire.ConsumeVarint(b.buf[b.idx:])
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if n < 0 {
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return 0, protowire.ParseError(n)
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}
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b.idx += n
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return uint64(v), nil
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}
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// DecodeZigzag32 consumes an encoded 32-bit zig-zag varint from the buffer.
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func (b *Buffer) DecodeZigzag32() (uint64, error) {
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v, err := b.DecodeVarint()
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if err != nil {
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return 0, err
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}
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return uint64((uint32(v) >> 1) ^ uint32((int32(v&1)<<31)>>31)), nil
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}
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// DecodeZigzag64 consumes an encoded 64-bit zig-zag varint from the buffer.
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func (b *Buffer) DecodeZigzag64() (uint64, error) {
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v, err := b.DecodeVarint()
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if err != nil {
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return 0, err
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}
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return uint64((uint64(v) >> 1) ^ uint64((int64(v&1)<<63)>>63)), nil
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}
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// DecodeFixed32 consumes a 32-bit little-endian integer from the buffer.
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func (b *Buffer) DecodeFixed32() (uint64, error) {
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v, n := protowire.ConsumeFixed32(b.buf[b.idx:])
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if n < 0 {
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return 0, protowire.ParseError(n)
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}
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b.idx += n
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return uint64(v), nil
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}
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// DecodeFixed64 consumes a 64-bit little-endian integer from the buffer.
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func (b *Buffer) DecodeFixed64() (uint64, error) {
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v, n := protowire.ConsumeFixed64(b.buf[b.idx:])
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if n < 0 {
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return 0, protowire.ParseError(n)
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}
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b.idx += n
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return uint64(v), nil
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}
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// DecodeRawBytes consumes a length-prefixed raw bytes from the buffer.
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// If alloc is specified, it returns a copy the raw bytes
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// rather than a sub-slice of the buffer.
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func (b *Buffer) DecodeRawBytes(alloc bool) ([]byte, error) {
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v, n := protowire.ConsumeBytes(b.buf[b.idx:])
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if n < 0 {
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return nil, protowire.ParseError(n)
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}
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b.idx += n
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if alloc {
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v = append([]byte(nil), v...)
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}
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return v, nil
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}
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// DecodeStringBytes consumes a length-prefixed raw bytes from the buffer.
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// It does not validate whether the raw bytes contain valid UTF-8.
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func (b *Buffer) DecodeStringBytes() (string, error) {
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v, n := protowire.ConsumeString(b.buf[b.idx:])
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if n < 0 {
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return "", protowire.ParseError(n)
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}
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b.idx += n
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return v, nil
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}
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// DecodeMessage consumes a length-prefixed message from the buffer.
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// It does not reset m.
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func (b *Buffer) DecodeMessage(m Message) error {
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v, err := b.DecodeRawBytes(false)
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if err != nil {
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return err
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}
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return UnmarshalMerge(v, m)
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}
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// DecodeGroup consumes a message group from the buffer.
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// It assumes that the start group marker has already been consumed and
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// consumes all bytes until (and including the end group marker).
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// It does not reset m.
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func (b *Buffer) DecodeGroup(m Message) error {
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v, n, err := consumeGroup(b.buf[b.idx:])
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if err != nil {
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return err
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}
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b.idx += n
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return UnmarshalMerge(v, m)
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}
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// consumeGroup parses b until it finds an end group marker, returning
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// the raw bytes of the message (excluding the end group marker) and the
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// the total length of the message (including the end group marker).
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func consumeGroup(b []byte) ([]byte, int, error) {
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b0 := b
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depth := 1 // assume this follows a start group marker
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for {
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_, wtyp, tagLen := protowire.ConsumeTag(b)
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if tagLen < 0 {
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return nil, 0, protowire.ParseError(tagLen)
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}
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b = b[tagLen:]
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var valLen int
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switch wtyp {
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case protowire.VarintType:
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_, valLen = protowire.ConsumeVarint(b)
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case protowire.Fixed32Type:
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_, valLen = protowire.ConsumeFixed32(b)
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case protowire.Fixed64Type:
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_, valLen = protowire.ConsumeFixed64(b)
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case protowire.BytesType:
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_, valLen = protowire.ConsumeBytes(b)
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case protowire.StartGroupType:
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depth++
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case protowire.EndGroupType:
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depth--
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default:
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return nil, 0, errors.New("proto: cannot parse reserved wire type")
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}
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if valLen < 0 {
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return nil, 0, protowire.ParseError(valLen)
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}
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b = b[valLen:]
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if depth == 0 {
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return b0[:len(b0)-len(b)-tagLen], len(b0) - len(b), nil
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}
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}
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}
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