diff options
author | 2021-08-12 21:03:24 +0200 | |
---|---|---|
committer | 2021-08-12 21:03:24 +0200 | |
commit | 98263a7de64269898a2f81207e38943b5c8e8653 (patch) | |
tree | 743c90f109a6c5d27832d1dcef2388d939f0f77a /vendor/github.com/golang/protobuf | |
parent | Text duplication fix (#137) (diff) | |
download | gotosocial-98263a7de64269898a2f81207e38943b5c8e8653.tar.xz |
Grand test fixup (#138)
* start fixing up tests
* fix up tests + automate with drone
* fiddle with linting
* messing about with drone.yml
* some more fiddling
* hmmm
* add cache
* add vendor directory
* verbose
* ci updates
* update some little things
* update sig
Diffstat (limited to 'vendor/github.com/golang/protobuf')
-rw-r--r-- | vendor/github.com/golang/protobuf/AUTHORS | 3 | ||||
-rw-r--r-- | vendor/github.com/golang/protobuf/CONTRIBUTORS | 3 | ||||
-rw-r--r-- | vendor/github.com/golang/protobuf/LICENSE | 28 | ||||
-rw-r--r-- | vendor/github.com/golang/protobuf/proto/buffer.go | 324 | ||||
-rw-r--r-- | vendor/github.com/golang/protobuf/proto/defaults.go | 63 | ||||
-rw-r--r-- | vendor/github.com/golang/protobuf/proto/deprecated.go | 113 | ||||
-rw-r--r-- | vendor/github.com/golang/protobuf/proto/discard.go | 58 | ||||
-rw-r--r-- | vendor/github.com/golang/protobuf/proto/extensions.go | 356 | ||||
-rw-r--r-- | vendor/github.com/golang/protobuf/proto/properties.go | 306 | ||||
-rw-r--r-- | vendor/github.com/golang/protobuf/proto/proto.go | 167 | ||||
-rw-r--r-- | vendor/github.com/golang/protobuf/proto/registry.go | 317 | ||||
-rw-r--r-- | vendor/github.com/golang/protobuf/proto/text_decode.go | 801 | ||||
-rw-r--r-- | vendor/github.com/golang/protobuf/proto/text_encode.go | 560 | ||||
-rw-r--r-- | vendor/github.com/golang/protobuf/proto/wire.go | 78 | ||||
-rw-r--r-- | vendor/github.com/golang/protobuf/proto/wrappers.go | 34 |
15 files changed, 3211 insertions, 0 deletions
diff --git a/vendor/github.com/golang/protobuf/AUTHORS b/vendor/github.com/golang/protobuf/AUTHORS new file mode 100644 index 000000000..15167cd74 --- /dev/null +++ b/vendor/github.com/golang/protobuf/AUTHORS @@ -0,0 +1,3 @@ +# This source code refers to The Go Authors for copyright purposes. +# The master list of authors is in the main Go distribution, +# visible at http://tip.golang.org/AUTHORS. diff --git a/vendor/github.com/golang/protobuf/CONTRIBUTORS b/vendor/github.com/golang/protobuf/CONTRIBUTORS new file mode 100644 index 000000000..1c4577e96 --- /dev/null +++ b/vendor/github.com/golang/protobuf/CONTRIBUTORS @@ -0,0 +1,3 @@ +# This source code was written by the Go contributors. +# The master list of contributors is in the main Go distribution, +# visible at http://tip.golang.org/CONTRIBUTORS. diff --git a/vendor/github.com/golang/protobuf/LICENSE b/vendor/github.com/golang/protobuf/LICENSE new file mode 100644 index 000000000..0f646931a --- /dev/null +++ b/vendor/github.com/golang/protobuf/LICENSE @@ -0,0 +1,28 @@ +Copyright 2010 The Go Authors. All rights reserved. + +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. + * Neither the name of Google Inc. nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + +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. + diff --git a/vendor/github.com/golang/protobuf/proto/buffer.go b/vendor/github.com/golang/protobuf/proto/buffer.go new file mode 100644 index 000000000..e810e6fea --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/buffer.go @@ -0,0 +1,324 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package proto + +import ( + "errors" + "fmt" + + "google.golang.org/protobuf/encoding/prototext" + "google.golang.org/protobuf/encoding/protowire" + "google.golang.org/protobuf/runtime/protoimpl" +) + +const ( + WireVarint = 0 + WireFixed32 = 5 + WireFixed64 = 1 + WireBytes = 2 + WireStartGroup = 3 + WireEndGroup = 4 +) + +// EncodeVarint returns the varint encoded bytes of v. +func EncodeVarint(v uint64) []byte { + return protowire.AppendVarint(nil, v) +} + +// SizeVarint returns the length of the varint encoded bytes of v. +// This is equal to len(EncodeVarint(v)). +func SizeVarint(v uint64) int { + return protowire.SizeVarint(v) +} + +// DecodeVarint parses a varint encoded integer from b, +// returning the integer value and the length of the varint. +// It returns (0, 0) if there is a parse error. +func DecodeVarint(b []byte) (uint64, int) { + v, n := protowire.ConsumeVarint(b) + if n < 0 { + return 0, 0 + } + return v, n +} + +// Buffer is a buffer for encoding and decoding the protobuf wire format. +// It may be reused between invocations to reduce memory usage. +type Buffer struct { + buf []byte + idx int + deterministic bool +} + +// NewBuffer allocates a new Buffer initialized with buf, +// where the contents of buf are considered the unread portion of the buffer. +func NewBuffer(buf []byte) *Buffer { + return &Buffer{buf: buf} +} + +// SetDeterministic specifies whether to use deterministic serialization. +// +// Deterministic serialization guarantees that for a given binary, equal +// messages will always be serialized to the same bytes. This implies: +// +// - Repeated serialization of a message will return the same bytes. +// - Different processes of the same binary (which may be executing on +// different machines) will serialize equal messages to the same bytes. +// +// Note that the deterministic serialization is NOT canonical across +// languages. It is not guaranteed to remain stable over time. It is unstable +// across different builds with schema changes due to unknown fields. +// Users who need canonical serialization (e.g., persistent storage in a +// canonical form, fingerprinting, etc.) should define their own +// canonicalization specification and implement their own serializer rather +// than relying on this API. +// +// If deterministic serialization is requested, map entries will be sorted +// by keys in lexographical order. This is an implementation detail and +// subject to change. +func (b *Buffer) SetDeterministic(deterministic bool) { + b.deterministic = deterministic +} + +// SetBuf sets buf as the internal buffer, +// where the contents of buf are considered the unread portion of the buffer. +func (b *Buffer) SetBuf(buf []byte) { + b.buf = buf + b.idx = 0 +} + +// Reset clears the internal buffer of all written and unread data. +func (b *Buffer) Reset() { + b.buf = b.buf[:0] + b.idx = 0 +} + +// Bytes returns the internal buffer. +func (b *Buffer) Bytes() []byte { + return b.buf +} + +// Unread returns the unread portion of the buffer. +func (b *Buffer) Unread() []byte { + return b.buf[b.idx:] +} + +// Marshal appends the wire-format encoding of m to the buffer. +func (b *Buffer) Marshal(m Message) error { + var err error + b.buf, err = marshalAppend(b.buf, m, b.deterministic) + return err +} + +// Unmarshal parses the wire-format message in the buffer and +// places the decoded results in m. +// It does not reset m before unmarshaling. +func (b *Buffer) Unmarshal(m Message) error { + err := UnmarshalMerge(b.Unread(), m) + b.idx = len(b.buf) + return err +} + +type unknownFields struct{ XXX_unrecognized protoimpl.UnknownFields } + +func (m *unknownFields) String() string { panic("not implemented") } +func (m *unknownFields) Reset() { panic("not implemented") } +func (m *unknownFields) ProtoMessage() { panic("not implemented") } + +// DebugPrint dumps the encoded bytes of b with a header and footer including s +// to stdout. This is only intended for debugging. +func (*Buffer) DebugPrint(s string, b []byte) { + m := MessageReflect(new(unknownFields)) + m.SetUnknown(b) + b, _ = prototext.MarshalOptions{AllowPartial: true, Indent: "\t"}.Marshal(m.Interface()) + fmt.Printf("==== %s ====\n%s==== %s ====\n", s, b, s) +} + +// EncodeVarint appends an unsigned varint encoding to the buffer. +func (b *Buffer) EncodeVarint(v uint64) error { + b.buf = protowire.AppendVarint(b.buf, v) + return nil +} + +// EncodeZigzag32 appends a 32-bit zig-zag varint encoding to the buffer. +func (b *Buffer) EncodeZigzag32(v uint64) error { + return b.EncodeVarint(uint64((uint32(v) << 1) ^ uint32((int32(v) >> 31)))) +} + +// EncodeZigzag64 appends a 64-bit zig-zag varint encoding to the buffer. +func (b *Buffer) EncodeZigzag64(v uint64) error { + return b.EncodeVarint(uint64((uint64(v) << 1) ^ uint64((int64(v) >> 63)))) +} + +// EncodeFixed32 appends a 32-bit little-endian integer to the buffer. +func (b *Buffer) EncodeFixed32(v uint64) error { + b.buf = protowire.AppendFixed32(b.buf, uint32(v)) + return nil +} + +// EncodeFixed64 appends a 64-bit little-endian integer to the buffer. +func (b *Buffer) EncodeFixed64(v uint64) error { + b.buf = protowire.AppendFixed64(b.buf, uint64(v)) + return nil +} + +// EncodeRawBytes appends a length-prefixed raw bytes to the buffer. +func (b *Buffer) EncodeRawBytes(v []byte) error { + b.buf = protowire.AppendBytes(b.buf, v) + return nil +} + +// EncodeStringBytes appends a length-prefixed raw bytes to the buffer. +// It does not validate whether v contains valid UTF-8. +func (b *Buffer) EncodeStringBytes(v string) error { + b.buf = protowire.AppendString(b.buf, v) + return nil +} + +// EncodeMessage appends a length-prefixed encoded message to the buffer. +func (b *Buffer) EncodeMessage(m Message) error { + var err error + b.buf = protowire.AppendVarint(b.buf, uint64(Size(m))) + b.buf, err = marshalAppend(b.buf, m, b.deterministic) + return err +} + +// DecodeVarint consumes an encoded unsigned varint from the buffer. +func (b *Buffer) DecodeVarint() (uint64, error) { + v, n := protowire.ConsumeVarint(b.buf[b.idx:]) + if n < 0 { + return 0, protowire.ParseError(n) + } + b.idx += n + return uint64(v), nil +} + +// DecodeZigzag32 consumes an encoded 32-bit zig-zag varint from the buffer. +func (b *Buffer) DecodeZigzag32() (uint64, error) { + v, err := b.DecodeVarint() + if err != nil { + return 0, err + } + return uint64((uint32(v) >> 1) ^ uint32((int32(v&1)<<31)>>31)), nil +} + +// DecodeZigzag64 consumes an encoded 64-bit zig-zag varint from the buffer. +func (b *Buffer) DecodeZigzag64() (uint64, error) { + v, err := b.DecodeVarint() + if err != nil { + return 0, err + } + return uint64((uint64(v) >> 1) ^ uint64((int64(v&1)<<63)>>63)), nil +} + +// DecodeFixed32 consumes a 32-bit little-endian integer from the buffer. +func (b *Buffer) DecodeFixed32() (uint64, error) { + v, n := protowire.ConsumeFixed32(b.buf[b.idx:]) + if n < 0 { + return 0, protowire.ParseError(n) + } + b.idx += n + return uint64(v), nil +} + +// DecodeFixed64 consumes a 64-bit little-endian integer from the buffer. +func (b *Buffer) DecodeFixed64() (uint64, error) { + v, n := protowire.ConsumeFixed64(b.buf[b.idx:]) + if n < 0 { + return 0, protowire.ParseError(n) + } + b.idx += n + return uint64(v), nil +} + +// DecodeRawBytes consumes a length-prefixed raw bytes from the buffer. +// If alloc is specified, it returns a copy the raw bytes +// rather than a sub-slice of the buffer. +func (b *Buffer) DecodeRawBytes(alloc bool) ([]byte, error) { + v, n := protowire.ConsumeBytes(b.buf[b.idx:]) + if n < 0 { + return nil, protowire.ParseError(n) + } + b.idx += n + if alloc { + v = append([]byte(nil), v...) + } + return v, nil +} + +// DecodeStringBytes consumes a length-prefixed raw bytes from the buffer. +// It does not validate whether the raw bytes contain valid UTF-8. +func (b *Buffer) DecodeStringBytes() (string, error) { + v, n := protowire.ConsumeString(b.buf[b.idx:]) + if n < 0 { + return "", protowire.ParseError(n) + } + b.idx += n + return v, nil +} + +// DecodeMessage consumes a length-prefixed message from the buffer. +// It does not reset m before unmarshaling. +func (b *Buffer) DecodeMessage(m Message) error { + v, err := b.DecodeRawBytes(false) + if err != nil { + return err + } + return UnmarshalMerge(v, m) +} + +// DecodeGroup consumes a message group from the buffer. +// It assumes that the start group marker has already been consumed and +// consumes all bytes until (and including the end group marker). +// It does not reset m before unmarshaling. +func (b *Buffer) DecodeGroup(m Message) error { + v, n, err := consumeGroup(b.buf[b.idx:]) + if err != nil { + return err + } + b.idx += n + return UnmarshalMerge(v, m) +} + +// consumeGroup parses b until it finds an end group marker, returning +// the raw bytes of the message (excluding the end group marker) and the +// the total length of the message (including the end group marker). +func consumeGroup(b []byte) ([]byte, int, error) { + b0 := b + depth := 1 // assume this follows a start group marker + for { + _, wtyp, tagLen := protowire.ConsumeTag(b) + if tagLen < 0 { + return nil, 0, protowire.ParseError(tagLen) + } + b = b[tagLen:] + + var valLen int + switch wtyp { + case protowire.VarintType: + _, valLen = protowire.ConsumeVarint(b) + case protowire.Fixed32Type: + _, valLen = protowire.ConsumeFixed32(b) + case protowire.Fixed64Type: + _, valLen = protowire.ConsumeFixed64(b) + case protowire.BytesType: + _, valLen = protowire.ConsumeBytes(b) + case protowire.StartGroupType: + depth++ + case protowire.EndGroupType: + depth-- + default: + return nil, 0, errors.New("proto: cannot parse reserved wire type") + } + if valLen < 0 { + return nil, 0, protowire.ParseError(valLen) + } + b = b[valLen:] + + if depth == 0 { + return b0[:len(b0)-len(b)-tagLen], len(b0) - len(b), nil + } + } +} diff --git a/vendor/github.com/golang/protobuf/proto/defaults.go b/vendor/github.com/golang/protobuf/proto/defaults.go new file mode 100644 index 000000000..d399bf069 --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/defaults.go @@ -0,0 +1,63 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package proto + +import ( + "google.golang.org/protobuf/reflect/protoreflect" +) + +// SetDefaults sets unpopulated scalar fields to their default values. +// Fields within a oneof are not set even if they have a default value. +// SetDefaults is recursively called upon any populated message fields. +func SetDefaults(m Message) { + if m != nil { + setDefaults(MessageReflect(m)) + } +} + +func setDefaults(m protoreflect.Message) { + fds := m.Descriptor().Fields() + for i := 0; i < fds.Len(); i++ { + fd := fds.Get(i) + if !m.Has(fd) { + if fd.HasDefault() && fd.ContainingOneof() == nil { + v := fd.Default() + if fd.Kind() == protoreflect.BytesKind { + v = protoreflect.ValueOf(append([]byte(nil), v.Bytes()...)) // copy the default bytes + } + m.Set(fd, v) + } + continue + } + } + + m.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool { + switch { + // Handle singular message. + case fd.Cardinality() != protoreflect.Repeated: + if fd.Message() != nil { + setDefaults(m.Get(fd).Message()) + } + // Handle list of messages. + case fd.IsList(): + if fd.Message() != nil { + ls := m.Get(fd).List() + for i := 0; i < ls.Len(); i++ { + setDefaults(ls.Get(i).Message()) + } + } + // Handle map of messages. + case fd.IsMap(): + if fd.MapValue().Message() != nil { + ms := m.Get(fd).Map() + ms.Range(func(_ protoreflect.MapKey, v protoreflect.Value) bool { + setDefaults(v.Message()) + return true + }) + } + } + return true + }) +} diff --git a/vendor/github.com/golang/protobuf/proto/deprecated.go b/vendor/github.com/golang/protobuf/proto/deprecated.go new file mode 100644 index 000000000..e8db57e09 --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/deprecated.go @@ -0,0 +1,113 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package proto + +import ( + "encoding/json" + "errors" + "fmt" + "strconv" + + protoV2 "google.golang.org/protobuf/proto" +) + +var ( + // Deprecated: No longer returned. + ErrNil = errors.New("proto: Marshal called with nil") + + // Deprecated: No longer returned. + ErrTooLarge = errors.New("proto: message encodes to over 2 GB") + + // Deprecated: No longer returned. + ErrInternalBadWireType = errors.New("proto: internal error: bad wiretype for oneof") +) + +// Deprecated: Do not use. +type Stats struct{ Emalloc, Dmalloc, Encode, Decode, Chit, Cmiss, Size uint64 } + +// Deprecated: Do not use. +func GetStats() Stats { return Stats{} } + +// Deprecated: Do not use. +func MarshalMessageSet(interface{}) ([]byte, error) { + return nil, errors.New("proto: not implemented") +} + +// Deprecated: Do not use. +func UnmarshalMessageSet([]byte, interface{}) error { + return errors.New("proto: not implemented") +} + +// Deprecated: Do not use. +func MarshalMessageSetJSON(interface{}) ([]byte, error) { + return nil, errors.New("proto: not implemented") +} + +// Deprecated: Do not use. +func UnmarshalMessageSetJSON([]byte, interface{}) error { + return errors.New("proto: not implemented") +} + +// Deprecated: Do not use. +func RegisterMessageSetType(Message, int32, string) {} + +// Deprecated: Do not use. +func EnumName(m map[int32]string, v int32) string { + s, ok := m[v] + if ok { + return s + } + return strconv.Itoa(int(v)) +} + +// Deprecated: Do not use. +func UnmarshalJSONEnum(m map[string]int32, data []byte, enumName string) (int32, error) { + if data[0] == '"' { + // New style: enums are strings. + var repr string + if err := json.Unmarshal(data, &repr); err != nil { + return -1, err + } + val, ok := m[repr] + if !ok { + return 0, fmt.Errorf("unrecognized enum %s value %q", enumName, repr) + } + return val, nil + } + // Old style: enums are ints. + var val int32 + if err := json.Unmarshal(data, &val); err != nil { + return 0, fmt.Errorf("cannot unmarshal %#q into enum %s", data, enumName) + } + return val, nil +} + +// Deprecated: Do not use; this type existed for intenal-use only. +type InternalMessageInfo struct{} + +// Deprecated: Do not use; this method existed for intenal-use only. +func (*InternalMessageInfo) DiscardUnknown(m Message) { + DiscardUnknown(m) +} + +// Deprecated: Do not use; this method existed for intenal-use only. +func (*InternalMessageInfo) Marshal(b []byte, m Message, deterministic bool) ([]byte, error) { + return protoV2.MarshalOptions{Deterministic: deterministic}.MarshalAppend(b, MessageV2(m)) +} + +// Deprecated: Do not use; this method existed for intenal-use only. +func (*InternalMessageInfo) Merge(dst, src Message) { + protoV2.Merge(MessageV2(dst), MessageV2(src)) +} + +// Deprecated: Do not use; this method existed for intenal-use only. +func (*InternalMessageInfo) Size(m Message) int { + return protoV2.Size(MessageV2(m)) +} + +// Deprecated: Do not use; this method existed for intenal-use only. +func (*InternalMessageInfo) Unmarshal(m Message, b []byte) error { + return protoV2.UnmarshalOptions{Merge: true}.Unmarshal(b, MessageV2(m)) +} diff --git a/vendor/github.com/golang/protobuf/proto/discard.go b/vendor/github.com/golang/protobuf/proto/discard.go new file mode 100644 index 000000000..2187e877f --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/discard.go @@ -0,0 +1,58 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package proto + +import ( + "google.golang.org/protobuf/reflect/protoreflect" +) + +// DiscardUnknown recursively discards all unknown fields from this message +// and all embedded messages. +// +// When unmarshaling a message with unrecognized fields, the tags and values +// of such fields are preserved in the Message. This allows a later call to +// marshal to be able to produce a message that continues to have those +// unrecognized fields. To avoid this, DiscardUnknown is used to +// explicitly clear the unknown fields after unmarshaling. +func DiscardUnknown(m Message) { + if m != nil { + discardUnknown(MessageReflect(m)) + } +} + +func discardUnknown(m protoreflect.Message) { + m.Range(func(fd protoreflect.FieldDescriptor, val protoreflect.Value) bool { + switch { + // Handle singular message. + case fd.Cardinality() != protoreflect.Repeated: + if fd.Message() != nil { + discardUnknown(m.Get(fd).Message()) + } + // Handle list of messages. + case fd.IsList(): + if fd.Message() != nil { + ls := m.Get(fd).List() + for i := 0; i < ls.Len(); i++ { + discardUnknown(ls.Get(i).Message()) + } + } + // Handle map of messages. + case fd.IsMap(): + if fd.MapValue().Message() != nil { + ms := m.Get(fd).Map() + ms.Range(func(_ protoreflect.MapKey, v protoreflect.Value) bool { + discardUnknown(v.Message()) + return true + }) + } + } + return true + }) + + // Discard unknown fields. + if len(m.GetUnknown()) > 0 { + m.SetUnknown(nil) + } +} diff --git a/vendor/github.com/golang/protobuf/proto/extensions.go b/vendor/github.com/golang/protobuf/proto/extensions.go new file mode 100644 index 000000000..42fc120c9 --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/extensions.go @@ -0,0 +1,356 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package proto + +import ( + "errors" + "fmt" + "reflect" + + "google.golang.org/protobuf/encoding/protowire" + "google.golang.org/protobuf/proto" + "google.golang.org/protobuf/reflect/protoreflect" + "google.golang.org/protobuf/reflect/protoregistry" + "google.golang.org/protobuf/runtime/protoiface" + "google.golang.org/protobuf/runtime/protoimpl" +) + +type ( + // ExtensionDesc represents an extension descriptor and + // is used to interact with an extension field in a message. + // + // Variables of this type are generated in code by protoc-gen-go. + ExtensionDesc = protoimpl.ExtensionInfo + + // ExtensionRange represents a range of message extensions. + // Used in code generated by protoc-gen-go. + ExtensionRange = protoiface.ExtensionRangeV1 + + // Deprecated: Do not use; this is an internal type. + Extension = protoimpl.ExtensionFieldV1 + + // Deprecated: Do not use; this is an internal type. + XXX_InternalExtensions = protoimpl.ExtensionFields +) + +// ErrMissingExtension reports whether the extension was not present. +var ErrMissingExtension = errors.New("proto: missing extension") + +var errNotExtendable = errors.New("proto: not an extendable proto.Message") + +// HasExtension reports whether the extension field is present in m +// either as an explicitly populated field or as an unknown field. +func HasExtension(m Message, xt *ExtensionDesc) (has bool) { + mr := MessageReflect(m) + if mr == nil || !mr.IsValid() { + return false + } + + // Check whether any populated known field matches the field number. + xtd := xt.TypeDescriptor() + if isValidExtension(mr.Descriptor(), xtd) { + has = mr.Has(xtd) + } else { + mr.Range(func(fd protoreflect.FieldDescriptor, _ protoreflect.Value) bool { + has = int32(fd.Number()) == xt.Field + return !has + }) + } + + // Check whether any unknown field matches the field number. + for b := mr.GetUnknown(); !has && len(b) > 0; { + num, _, n := protowire.ConsumeField(b) + has = int32(num) == xt.Field + b = b[n:] + } + return has +} + +// ClearExtension removes the extension field from m +// either as an explicitly populated field or as an unknown field. +func ClearExtension(m Message, xt *ExtensionDesc) { + mr := MessageReflect(m) + if mr == nil || !mr.IsValid() { + return + } + + xtd := xt.TypeDescriptor() + if isValidExtension(mr.Descriptor(), xtd) { + mr.Clear(xtd) + } else { + mr.Range(func(fd protoreflect.FieldDescriptor, _ protoreflect.Value) bool { + if int32(fd.Number()) == xt.Field { + mr.Clear(fd) + return false + } + return true + }) + } + clearUnknown(mr, fieldNum(xt.Field)) +} + +// ClearAllExtensions clears all extensions from m. +// This includes populated fields and unknown fields in the extension range. +func ClearAllExtensions(m Message) { + mr := MessageReflect(m) + if mr == nil || !mr.IsValid() { + return + } + + mr.Range(func(fd protoreflect.FieldDescriptor, _ protoreflect.Value) bool { + if fd.IsExtension() { + mr.Clear(fd) + } + return true + }) + clearUnknown(mr, mr.Descriptor().ExtensionRanges()) +} + +// GetExtension retrieves a proto2 extended field from m. +// +// If the descriptor is type complete (i.e., ExtensionDesc.ExtensionType is non-nil), +// then GetExtension parses the encoded field and returns a Go value of the specified type. +// If the field is not present, then the default value is returned (if one is specified), +// otherwise ErrMissingExtension is reported. +// +// If the descriptor is type incomplete (i.e., ExtensionDesc.ExtensionType is nil), +// then GetExtension returns the raw encoded bytes for the extension field. +func GetExtension(m Message, xt *ExtensionDesc) (interface{}, error) { + mr := MessageReflect(m) + if mr == nil || !mr.IsValid() || mr.Descriptor().ExtensionRanges().Len() == 0 { + return nil, errNotExtendable + } + + // Retrieve the unknown fields for this extension field. + var bo protoreflect.RawFields + for bi := mr.GetUnknown(); len(bi) > 0; { + num, _, n := protowire.ConsumeField(bi) + if int32(num) == xt.Field { + bo = append(bo, bi[:n]...) + } + bi = bi[n:] + } + + // For type incomplete descriptors, only retrieve the unknown fields. + if xt.ExtensionType == nil { + return []byte(bo), nil + } + + // If the extension field only exists as unknown fields, unmarshal it. + // This is rarely done since proto.Unmarshal eagerly unmarshals extensions. + xtd := xt.TypeDescriptor() + if !isValidExtension(mr.Descriptor(), xtd) { + return nil, fmt.Errorf("proto: bad extended type; %T does not extend %T", xt.ExtendedType, m) + } + if !mr.Has(xtd) && len(bo) > 0 { + m2 := mr.New() + if err := (proto.UnmarshalOptions{ + Resolver: extensionResolver{xt}, + }.Unmarshal(bo, m2.Interface())); err != nil { + return nil, err + } + if m2.Has(xtd) { + mr.Set(xtd, m2.Get(xtd)) + clearUnknown(mr, fieldNum(xt.Field)) + } + } + + // Check whether the message has the extension field set or a default. + var pv protoreflect.Value + switch { + case mr.Has(xtd): + pv = mr.Get(xtd) + case xtd.HasDefault(): + pv = xtd.Default() + default: + return nil, ErrMissingExtension + } + + v := xt.InterfaceOf(pv) + rv := reflect.ValueOf(v) + if isScalarKind(rv.Kind()) { + rv2 := reflect.New(rv.Type()) + rv2.Elem().Set(rv) + v = rv2.Interface() + } + return v, nil +} + +// extensionResolver is a custom extension resolver that stores a single +// extension type that takes precedence over the global registry. +type extensionResolver struct{ xt protoreflect.ExtensionType } + +func (r extensionResolver) FindExtensionByName(field protoreflect.FullName) (protoreflect.ExtensionType, error) { + if xtd := r.xt.TypeDescriptor(); xtd.FullName() == field { + return r.xt, nil + } + return protoregistry.GlobalTypes.FindExtensionByName(field) +} + +func (r extensionResolver) FindExtensionByNumber(message protoreflect.FullName, field protoreflect.FieldNumber) (protoreflect.ExtensionType, error) { + if xtd := r.xt.TypeDescriptor(); xtd.ContainingMessage().FullName() == message && xtd.Number() == field { + return r.xt, nil + } + return protoregistry.GlobalTypes.FindExtensionByNumber(message, field) +} + +// GetExtensions returns a list of the extensions values present in m, +// corresponding with the provided list of extension descriptors, xts. +// If an extension is missing in m, the corresponding value is nil. +func GetExtensions(m Message, xts []*ExtensionDesc) ([]interface{}, error) { + mr := MessageReflect(m) + if mr == nil || !mr.IsValid() { + return nil, errNotExtendable + } + + vs := make([]interface{}, len(xts)) + for i, xt := range xts { + v, err := GetExtension(m, xt) + if err != nil { + if err == ErrMissingExtension { + continue + } + return vs, err + } + vs[i] = v + } + return vs, nil +} + +// SetExtension sets an extension field in m to the provided value. +func SetExtension(m Message, xt *ExtensionDesc, v interface{}) error { + mr := MessageReflect(m) + if mr == nil || !mr.IsValid() || mr.Descriptor().ExtensionRanges().Len() == 0 { + return errNotExtendable + } + + rv := reflect.ValueOf(v) + if reflect.TypeOf(v) != reflect.TypeOf(xt.ExtensionType) { + return fmt.Errorf("proto: bad extension value type. got: %T, want: %T", v, xt.ExtensionType) + } + if rv.Kind() == reflect.Ptr { + if rv.IsNil() { + return fmt.Errorf("proto: SetExtension called with nil value of type %T", v) + } + if isScalarKind(rv.Elem().Kind()) { + v = rv.Elem().Interface() + } + } + + xtd := xt.TypeDescriptor() + if !isValidExtension(mr.Descriptor(), xtd) { + return fmt.Errorf("proto: bad extended type; %T does not extend %T", xt.ExtendedType, m) + } + mr.Set(xtd, xt.ValueOf(v)) + clearUnknown(mr, fieldNum(xt.Field)) + return nil +} + +// SetRawExtension inserts b into the unknown fields of m. +// +// Deprecated: Use Message.ProtoReflect.SetUnknown instead. +func SetRawExtension(m Message, fnum int32, b []byte) { + mr := MessageReflect(m) + if mr == nil || !mr.IsValid() { + return + } + + // Verify that the raw field is valid. + for b0 := b; len(b0) > 0; { + num, _, n := protowire.ConsumeField(b0) + if int32(num) != fnum { + panic(fmt.Sprintf("mismatching field number: got %d, want %d", num, fnum)) + } + b0 = b0[n:] + } + + ClearExtension(m, &ExtensionDesc{Field: fnum}) + mr.SetUnknown(append(mr.GetUnknown(), b...)) +} + +// ExtensionDescs returns a list of extension descriptors found in m, +// containing descriptors for both populated extension fields in m and +// also unknown fields of m that are in the extension range. +// For the later case, an type incomplete descriptor is provided where only +// the ExtensionDesc.Field field is populated. +// The order of the extension descriptors is undefined. +func ExtensionDescs(m Message) ([]*ExtensionDesc, error) { + mr := MessageReflect(m) + if mr == nil || !mr.IsValid() || mr.Descriptor().ExtensionRanges().Len() == 0 { + return nil, errNotExtendable + } + + // Collect a set of known extension descriptors. + extDescs := make(map[protoreflect.FieldNumber]*ExtensionDesc) + mr.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool { + if fd.IsExtension() { + xt := fd.(protoreflect.ExtensionTypeDescriptor) + if xd, ok := xt.Type().(*ExtensionDesc); ok { + extDescs[fd.Number()] = xd + } + } + return true + }) + + // Collect a set of unknown extension descriptors. + extRanges := mr.Descriptor().ExtensionRanges() + for b := mr.GetUnknown(); len(b) > 0; { + num, _, n := protowire.ConsumeField(b) + if extRanges.Has(num) && extDescs[num] == nil { + extDescs[num] = nil + } + b = b[n:] + } + + // Transpose the set of descriptors into a list. + var xts []*ExtensionDesc + for num, xt := range extDescs { + if xt == nil { + xt = &ExtensionDesc{Field: int32(num)} + } + xts = append(xts, xt) + } + return xts, nil +} + +// isValidExtension reports whether xtd is a valid extension descriptor for md. +func isValidExtension(md protoreflect.MessageDescriptor, xtd protoreflect.ExtensionTypeDescriptor) bool { + return xtd.ContainingMessage() == md && md.ExtensionRanges().Has(xtd.Number()) +} + +// isScalarKind reports whether k is a protobuf scalar kind (except bytes). +// This function exists for historical reasons since the representation of +// scalars differs between v1 and v2, where v1 uses *T and v2 uses T. +func isScalarKind(k reflect.Kind) bool { + switch k { + case reflect.Bool, reflect.Int32, reflect.Int64, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64, reflect.String: + return true + default: + return false + } +} + +// clearUnknown removes unknown fields from m where remover.Has reports true. +func clearUnknown(m protoreflect.Message, remover interface { + Has(protoreflect.FieldNumber) bool +}) { + var bo protoreflect.RawFields + for bi := m.GetUnknown(); len(bi) > 0; { + num, _, n := protowire.ConsumeField(bi) + if !remover.Has(num) { + bo = append(bo, bi[:n]...) + } + bi = bi[n:] + } + if bi := m.GetUnknown(); len(bi) != len(bo) { + m.SetUnknown(bo) + } +} + +type fieldNum protoreflect.FieldNumber + +func (n1 fieldNum) Has(n2 protoreflect.FieldNumber) bool { + return protoreflect.FieldNumber(n1) == n2 +} diff --git a/vendor/github.com/golang/protobuf/proto/properties.go b/vendor/github.com/golang/protobuf/proto/properties.go new file mode 100644 index 000000000..dcdc2202f --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/properties.go @@ -0,0 +1,306 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package proto + +import ( + "fmt" + "reflect" + "strconv" + "strings" + "sync" + + "google.golang.org/protobuf/reflect/protoreflect" + "google.golang.org/protobuf/runtime/protoimpl" +) + +// StructProperties represents protocol buffer type information for a +// generated protobuf message in the open-struct API. +// +// Deprecated: Do not use. +type StructProperties struct { + // Prop are the properties for each field. + // + // Fields belonging to a oneof are stored in OneofTypes instead, with a + // single Properties representing the parent oneof held here. + // + // The order of Prop matches the order of fields in the Go struct. + // Struct fields that are not related to protobufs have a "XXX_" prefix + // in the Properties.Name and must be ignored by the user. + Prop []*Properties + + // OneofTypes contains information about the oneof fields in this message. + // It is keyed by the protobuf field name. + OneofTypes map[string]*OneofProperties +} + +// Properties represents the type information for a protobuf message field. +// +// Deprecated: Do not use. +type Properties struct { + // Name is a placeholder name with little meaningful semantic value. + // If the name has an "XXX_" prefix, the entire Properties must be ignored. + Name string + // OrigName is the protobuf field name or oneof name. + OrigName string + // JSONName is the JSON name for the protobuf field. + JSONName string + // Enum is a placeholder name for enums. + // For historical reasons, this is neither the Go name for the enum, + // nor the protobuf name for the enum. + Enum string // Deprecated: Do not use. + // Weak contains the full name of the weakly referenced message. + Weak string + // Wire is a string representation of the wire type. + Wire string + // WireType is the protobuf wire type for the field. + WireType int + // Tag is the protobuf field number. + Tag int + // Required reports whether this is a required field. + Required bool + // Optional reports whether this is a optional field. + Optional bool + // Repeated reports whether this is a repeated field. + Repeated bool + // Packed reports whether this is a packed repeated field of scalars. + Packed bool + // Proto3 reports whether this field operates under the proto3 syntax. + Proto3 bool + // Oneof reports whether this field belongs within a oneof. + Oneof bool + + // Default is the default value in string form. + Default string + // HasDefault reports whether the field has a default value. + HasDefault bool + + // MapKeyProp is the properties for the key field for a map field. + MapKeyProp *Properties + // MapValProp is the properties for the value field for a map field. + MapValProp *Properties +} + +// OneofProperties represents the type information for a protobuf oneof. +// +// Deprecated: Do not use. +type OneofProperties struct { + // Type is a pointer to the generated wrapper type for the field value. + // This is nil for messages that are not in the open-struct API. + Type reflect.Type + // Field is the index into StructProperties.Prop for the containing oneof. + Field int + // Prop is the properties for the field. + Prop *Properties +} + +// String formats the properties in the protobuf struct field tag style. +func (p *Properties) String() string { + s := p.Wire + s += "," + strconv.Itoa(p.Tag) + if p.Required { + s += ",req" + } + if p.Optional { + s += ",opt" + } + if p.Repeated { + s += ",rep" + } + if p.Packed { + s += ",packed" + } + s += ",name=" + p.OrigName + if p.JSONName != "" { + s += ",json=" + p.JSONName + } + if len(p.Enum) > 0 { + s += ",enum=" + p.Enum + } + if len(p.Weak) > 0 { + s += ",weak=" + p.Weak + } + if p.Proto3 { + s += ",proto3" + } + if p.Oneof { + s += ",oneof" + } + if p.HasDefault { + s += ",def=" + p.Default + } + return s +} + +// Parse populates p by parsing a string in the protobuf struct field tag style. +func (p *Properties) Parse(tag string) { + // For example: "bytes,49,opt,name=foo,def=hello!" + for len(tag) > 0 { + i := strings.IndexByte(tag, ',') + if i < 0 { + i = len(tag) + } + switch s := tag[:i]; { + case strings.HasPrefix(s, "name="): + p.OrigName = s[len("name="):] + case strings.HasPrefix(s, "json="): + p.JSONName = s[len("json="):] + case strings.HasPrefix(s, "enum="): + p.Enum = s[len("enum="):] + case strings.HasPrefix(s, "weak="): + p.Weak = s[len("weak="):] + case strings.Trim(s, "0123456789") == "": + n, _ := strconv.ParseUint(s, 10, 32) + p.Tag = int(n) + case s == "opt": + p.Optional = true + case s == "req": + p.Required = true + case s == "rep": + p.Repeated = true + case s == "varint" || s == "zigzag32" || s == "zigzag64": + p.Wire = s + p.WireType = WireVarint + case s == "fixed32": + p.Wire = s + p.WireType = WireFixed32 + case s == "fixed64": + p.Wire = s + p.WireType = WireFixed64 + case s == "bytes": + p.Wire = s + p.WireType = WireBytes + case s == "group": + p.Wire = s + p.WireType = WireStartGroup + case s == "packed": + p.Packed = true + case s == "proto3": + p.Proto3 = true + case s == "oneof": + p.Oneof = true + case strings.HasPrefix(s, "def="): + // The default tag is special in that everything afterwards is the + // default regardless of the presence of commas. + p.HasDefault = true + p.Default, i = tag[len("def="):], len(tag) + } + tag = strings.TrimPrefix(tag[i:], ",") + } +} + +// Init populates the properties from a protocol buffer struct tag. +// +// Deprecated: Do not use. +func (p *Properties) Init(typ reflect.Type, name, tag string, f *reflect.StructField) { + p.Name = name + p.OrigName = name + if tag == "" { + return + } + p.Parse(tag) + + if typ != nil && typ.Kind() == reflect.Map { + p.MapKeyProp = new(Properties) + p.MapKeyProp.Init(nil, "Key", f.Tag.Get("protobuf_key"), nil) + p.MapValProp = new(Properties) + p.MapValProp.Init(nil, "Value", f.Tag.Get("protobuf_val"), nil) + } +} + +var propertiesCache sync.Map // map[reflect.Type]*StructProperties + +// GetProperties returns the list of properties for the type represented by t, +// which must be a generated protocol buffer message in the open-struct API, +// where protobuf message fields are represented by exported Go struct fields. +// +// Deprecated: Use protobuf reflection instead. +func GetProperties(t reflect.Type) *StructProperties { + if p, ok := propertiesCache.Load(t); ok { + return p.(*StructProperties) + } + p, _ := propertiesCache.LoadOrStore(t, newProperties(t)) + return p.(*StructProperties) +} + +func newProperties(t reflect.Type) *StructProperties { + if t.Kind() != reflect.Struct { + panic(fmt.Sprintf("%v is not a generated message in the open-struct API", t)) + } + + var hasOneof bool + prop := new(StructProperties) + + // Construct a list of properties for each field in the struct. + for i := 0; i < t.NumField(); i++ { + p := new(Properties) + f := t.Field(i) + tagField := f.Tag.Get("protobuf") + p.Init(f.Type, f.Name, tagField, &f) + + tagOneof := f.Tag.Get("protobuf_oneof") + if tagOneof != "" { + hasOneof = true + p.OrigName = tagOneof + } + + // Rename unrelated struct fields with the "XXX_" prefix since so much + // user code simply checks for this to exclude special fields. + if tagField == "" && tagOneof == "" && !strings.HasPrefix(p.Name, "XXX_") { + p.Name = "XXX_" + p.Name + p.OrigName = "XXX_" + p.OrigName + } else if p.Weak != "" { + p.Name = p.OrigName // avoid possible "XXX_" prefix on weak field + } + + prop.Prop = append(prop.Prop, p) + } + + // Construct a mapping of oneof field names to properties. + if hasOneof { + var oneofWrappers []interface{} + if fn, ok := reflect.PtrTo(t).MethodByName("XXX_OneofFuncs"); ok { + oneofWrappers = fn.Func.Call([]reflect.Value{reflect.Zero(fn.Type.In(0))})[3].Interface().([]interface{}) + } + if fn, ok := reflect.PtrTo(t).MethodByName("XXX_OneofWrappers"); ok { + oneofWrappers = fn.Func.Call([]reflect.Value{reflect.Zero(fn.Type.In(0))})[0].Interface().([]interface{}) + } + if m, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(protoreflect.ProtoMessage); ok { + if m, ok := m.ProtoReflect().(interface{ ProtoMessageInfo() *protoimpl.MessageInfo }); ok { + oneofWrappers = m.ProtoMessageInfo().OneofWrappers + } + } + + prop.OneofTypes = make(map[string]*OneofProperties) + for _, wrapper := range oneofWrappers { + p := &OneofProperties{ + Type: reflect.ValueOf(wrapper).Type(), // *T + Prop: new(Properties), + } + f := p.Type.Elem().Field(0) + p.Prop.Name = f.Name + p.Prop.Parse(f.Tag.Get("protobuf")) + + // Determine the struct field that contains this oneof. + // Each wrapper is assignable to exactly one parent field. + var foundOneof bool + for i := 0; i < t.NumField() && !foundOneof; i++ { + if p.Type.AssignableTo(t.Field(i).Type) { + p.Field = i + foundOneof = true + } + } + if !foundOneof { + panic(fmt.Sprintf("%v is not a generated message in the open-struct API", t)) + } + prop.OneofTypes[p.Prop.OrigName] = p + } + } + + return prop +} + +func (sp *StructProperties) Len() int { return len(sp.Prop) } +func (sp *StructProperties) Less(i, j int) bool { return false } +func (sp *StructProperties) Swap(i, j int) { return } diff --git a/vendor/github.com/golang/protobuf/proto/proto.go b/vendor/github.com/golang/protobuf/proto/proto.go new file mode 100644 index 000000000..5aee89c32 --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/proto.go @@ -0,0 +1,167 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package proto provides functionality for handling protocol buffer messages. +// In particular, it provides marshaling and unmarshaling between a protobuf +// message and the binary wire format. +// +// See https://developers.google.com/protocol-buffers/docs/gotutorial for +// more information. +// +// Deprecated: Use the "google.golang.org/protobuf/proto" package instead. +package proto + +import ( + protoV2 "google.golang.org/protobuf/proto" + "google.golang.org/protobuf/reflect/protoreflect" + "google.golang.org/protobuf/runtime/protoiface" + "google.golang.org/protobuf/runtime/protoimpl" +) + +const ( + ProtoPackageIsVersion1 = true + ProtoPackageIsVersion2 = true + ProtoPackageIsVersion3 = true + ProtoPackageIsVersion4 = true +) + +// GeneratedEnum is any enum type generated by protoc-gen-go +// which is a named int32 kind. +// This type exists for documentation purposes. +type GeneratedEnum interface{} + +// GeneratedMessage is any message type generated by protoc-gen-go +// which is a pointer to a named struct kind. +// This type exists for documentation purposes. +type GeneratedMessage interface{} + +// Message is a protocol buffer message. +// +// This is the v1 version of the message interface and is marginally better +// than an empty interface as it lacks any method to programatically interact +// with the contents of the message. +// +// A v2 message is declared in "google.golang.org/protobuf/proto".Message and +// exposes protobuf reflection as a first-class feature of the interface. +// +// To convert a v1 message to a v2 message, use the MessageV2 function. +// To convert a v2 message to a v1 message, use the MessageV1 function. +type Message = protoiface.MessageV1 + +// MessageV1 converts either a v1 or v2 message to a v1 message. +// It returns nil if m is nil. +func MessageV1(m GeneratedMessage) protoiface.MessageV1 { + return protoimpl.X.ProtoMessageV1Of(m) +} + +// MessageV2 converts either a v1 or v2 message to a v2 message. +// It returns nil if m is nil. +func MessageV2(m GeneratedMessage) protoV2.Message { + return protoimpl.X.ProtoMessageV2Of(m) +} + +// MessageReflect returns a reflective view for a message. +// It returns nil if m is nil. +func MessageReflect(m Message) protoreflect.Message { + return protoimpl.X.MessageOf(m) +} + +// Marshaler is implemented by messages that can marshal themselves. +// This interface is used by the following functions: Size, Marshal, +// Buffer.Marshal, and Buffer.EncodeMessage. +// +// Deprecated: Do not implement. +type Marshaler interface { + // Marshal formats the encoded bytes of the message. + // It should be deterministic and emit valid protobuf wire data. + // The caller takes ownership of the returned buffer. + Marshal() ([]byte, error) +} + +// Unmarshaler is implemented by messages that can unmarshal themselves. +// This interface is used by the following functions: Unmarshal, UnmarshalMerge, +// Buffer.Unmarshal, Buffer.DecodeMessage, and Buffer.DecodeGroup. +// +// Deprecated: Do not implement. +type Unmarshaler interface { + // Unmarshal parses the encoded bytes of the protobuf wire input. + // The provided buffer is only valid for during method call. + // It should not reset the receiver message. + Unmarshal([]byte) error +} + +// Merger is implemented by messages that can merge themselves. +// This interface is used by the following functions: Clone and Merge. +// +// Deprecated: Do not implement. +type Merger interface { + // Merge merges the contents of src into the receiver message. + // It clones all data structures in src such that it aliases no mutable + // memory referenced by src. + Merge(src Message) +} + +// RequiredNotSetError is an error type returned when +// marshaling or unmarshaling a message with missing required fields. +type RequiredNotSetError struct { + err error +} + +func (e *RequiredNotSetError) Error() string { + if e.err != nil { + return e.err.Error() + } + return "proto: required field not set" +} +func (e *RequiredNotSetError) RequiredNotSet() bool { + return true +} + +func checkRequiredNotSet(m protoV2.Message) error { + if err := protoV2.CheckInitialized(m); err != nil { + return &RequiredNotSetError{err: err} + } + return nil +} + +// Clone returns a deep copy of src. +func Clone(src Message) Message { + return MessageV1(protoV2.Clone(MessageV2(src))) +} + +// Merge merges src into dst, which must be messages of the same type. +// +// Populated scalar fields in src are copied to dst, while populated +// singular messages in src are merged into dst by recursively calling Merge. +// The elements of every list field in src is appended to the corresponded +// list fields in dst. The entries of every map field in src is copied into +// the corresponding map field in dst, possibly replacing existing entries. +// The unknown fields of src are appended to the unknown fields of dst. +func Merge(dst, src Message) { + protoV2.Merge(MessageV2(dst), MessageV2(src)) +} + +// Equal reports whether two messages are equal. +// If two messages marshal to the same bytes under deterministic serialization, +// then Equal is guaranteed to report true. +// +// Two messages are equal if they are the same protobuf message type, +// have the same set of populated known and extension field values, +// and the same set of unknown fields values. +// +// Scalar values are compared with the equivalent of the == operator in Go, +// except bytes values which are compared using bytes.Equal and +// floating point values which specially treat NaNs as equal. +// Message values are compared by recursively calling Equal. +// Lists are equal if each element value is also equal. +// Maps are equal if they have the same set of keys, where the pair of values +// for each key is also equal. +func Equal(x, y Message) bool { + return protoV2.Equal(MessageV2(x), MessageV2(y)) +} + +func isMessageSet(md protoreflect.MessageDescriptor) bool { + ms, ok := md.(interface{ IsMessageSet() bool }) + return ok && ms.IsMessageSet() +} diff --git a/vendor/github.com/golang/protobuf/proto/registry.go b/vendor/github.com/golang/protobuf/proto/registry.go new file mode 100644 index 000000000..066b4323b --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/registry.go @@ -0,0 +1,317 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package proto + +import ( + "bytes" + "compress/gzip" + "fmt" + "io/ioutil" + "reflect" + "strings" + "sync" + + "google.golang.org/protobuf/reflect/protodesc" + "google.golang.org/protobuf/reflect/protoreflect" + "google.golang.org/protobuf/reflect/protoregistry" + "google.golang.org/protobuf/runtime/protoimpl" +) + +// filePath is the path to the proto source file. +type filePath = string // e.g., "google/protobuf/descriptor.proto" + +// fileDescGZIP is the compressed contents of the encoded FileDescriptorProto. +type fileDescGZIP = []byte + +var fileCache sync.Map // map[filePath]fileDescGZIP + +// RegisterFile is called from generated code to register the compressed +// FileDescriptorProto with the file path for a proto source file. +// +// Deprecated: Use protoregistry.GlobalFiles.RegisterFile instead. +func RegisterFile(s filePath, d fileDescGZIP) { + // Decompress the descriptor. + zr, err := gzip.NewReader(bytes.NewReader(d)) + if err != nil { + panic(fmt.Sprintf("proto: invalid compressed file descriptor: %v", err)) + } + b, err := ioutil.ReadAll(zr) + if err != nil { + panic(fmt.Sprintf("proto: invalid compressed file descriptor: %v", err)) + } + + // Construct a protoreflect.FileDescriptor from the raw descriptor. + // Note that DescBuilder.Build automatically registers the constructed + // file descriptor with the v2 registry. + protoimpl.DescBuilder{RawDescriptor: b}.Build() + + // Locally cache the raw descriptor form for the file. + fileCache.Store(s, d) +} + +// FileDescriptor returns the compressed FileDescriptorProto given the file path +// for a proto source file. It returns nil if not found. +// +// Deprecated: Use protoregistry.GlobalFiles.FindFileByPath instead. +func FileDescriptor(s filePath) fileDescGZIP { + if v, ok := fileCache.Load(s); ok { + return v.(fileDescGZIP) + } + + // Find the descriptor in the v2 registry. + var b []byte + if fd, _ := protoregistry.GlobalFiles.FindFileByPath(s); fd != nil { + b, _ = Marshal(protodesc.ToFileDescriptorProto(fd)) + } + + // Locally cache the raw descriptor form for the file. + if len(b) > 0 { + v, _ := fileCache.LoadOrStore(s, protoimpl.X.CompressGZIP(b)) + return v.(fileDescGZIP) + } + return nil +} + +// enumName is the name of an enum. For historical reasons, the enum name is +// neither the full Go name nor the full protobuf name of the enum. +// The name is the dot-separated combination of just the proto package that the +// enum is declared within followed by the Go type name of the generated enum. +type enumName = string // e.g., "my.proto.package.GoMessage_GoEnum" + +// enumsByName maps enum values by name to their numeric counterpart. +type enumsByName = map[string]int32 + +// enumsByNumber maps enum values by number to their name counterpart. +type enumsByNumber = map[int32]string + +var enumCache sync.Map // map[enumName]enumsByName +var numFilesCache sync.Map // map[protoreflect.FullName]int + +// RegisterEnum is called from the generated code to register the mapping of +// enum value names to enum numbers for the enum identified by s. +// +// Deprecated: Use protoregistry.GlobalTypes.RegisterEnum instead. +func RegisterEnum(s enumName, _ enumsByNumber, m enumsByName) { + if _, ok := enumCache.Load(s); ok { + panic("proto: duplicate enum registered: " + s) + } + enumCache.Store(s, m) + + // This does not forward registration to the v2 registry since this API + // lacks sufficient information to construct a complete v2 enum descriptor. +} + +// EnumValueMap returns the mapping from enum value names to enum numbers for +// the enum of the given name. It returns nil if not found. +// +// Deprecated: Use protoregistry.GlobalTypes.FindEnumByName instead. +func EnumValueMap(s enumName) enumsByName { + if v, ok := enumCache.Load(s); ok { + return v.(enumsByName) + } + + // Check whether the cache is stale. If the number of files in the current + // package differs, then it means that some enums may have been recently + // registered upstream that we do not know about. + var protoPkg protoreflect.FullName + if i := strings.LastIndexByte(s, '.'); i >= 0 { + protoPkg = protoreflect.FullName(s[:i]) + } + v, _ := numFilesCache.Load(protoPkg) + numFiles, _ := v.(int) + if protoregistry.GlobalFiles.NumFilesByPackage(protoPkg) == numFiles { + return nil // cache is up-to-date; was not found earlier + } + + // Update the enum cache for all enums declared in the given proto package. + numFiles = 0 + protoregistry.GlobalFiles.RangeFilesByPackage(protoPkg, func(fd protoreflect.FileDescriptor) bool { + walkEnums(fd, func(ed protoreflect.EnumDescriptor) { + name := protoimpl.X.LegacyEnumName(ed) + if _, ok := enumCache.Load(name); !ok { + m := make(enumsByName) + evs := ed.Values() + for i := evs.Len() - 1; i >= 0; i-- { + ev := evs.Get(i) + m[string(ev.Name())] = int32(ev.Number()) + } + enumCache.LoadOrStore(name, m) + } + }) + numFiles++ + return true + }) + numFilesCache.Store(protoPkg, numFiles) + + // Check cache again for enum map. + if v, ok := enumCache.Load(s); ok { + return v.(enumsByName) + } + return nil +} + +// walkEnums recursively walks all enums declared in d. +func walkEnums(d interface { + Enums() protoreflect.EnumDescriptors + Messages() protoreflect.MessageDescriptors +}, f func(protoreflect.EnumDescriptor)) { + eds := d.Enums() + for i := eds.Len() - 1; i >= 0; i-- { + f(eds.Get(i)) + } + mds := d.Messages() + for i := mds.Len() - 1; i >= 0; i-- { + walkEnums(mds.Get(i), f) + } +} + +// messageName is the full name of protobuf message. +type messageName = string + +var messageTypeCache sync.Map // map[messageName]reflect.Type + +// RegisterType is called from generated code to register the message Go type +// for a message of the given name. +// +// Deprecated: Use protoregistry.GlobalTypes.RegisterMessage instead. +func RegisterType(m Message, s messageName) { + mt := protoimpl.X.LegacyMessageTypeOf(m, protoreflect.FullName(s)) + if err := protoregistry.GlobalTypes.RegisterMessage(mt); err != nil { + panic(err) + } + messageTypeCache.Store(s, reflect.TypeOf(m)) +} + +// RegisterMapType is called from generated code to register the Go map type +// for a protobuf message representing a map entry. +// +// Deprecated: Do not use. +func RegisterMapType(m interface{}, s messageName) { + t := reflect.TypeOf(m) + if t.Kind() != reflect.Map { + panic(fmt.Sprintf("invalid map kind: %v", t)) + } + if _, ok := messageTypeCache.Load(s); ok { + panic(fmt.Errorf("proto: duplicate proto message registered: %s", s)) + } + messageTypeCache.Store(s, t) +} + +// MessageType returns the message type for a named message. +// It returns nil if not found. +// +// Deprecated: Use protoregistry.GlobalTypes.FindMessageByName instead. +func MessageType(s messageName) reflect.Type { + if v, ok := messageTypeCache.Load(s); ok { + return v.(reflect.Type) + } + + // Derive the message type from the v2 registry. + var t reflect.Type + if mt, _ := protoregistry.GlobalTypes.FindMessageByName(protoreflect.FullName(s)); mt != nil { + t = messageGoType(mt) + } + + // If we could not get a concrete type, it is possible that it is a + // pseudo-message for a map entry. + if t == nil { + d, _ := protoregistry.GlobalFiles.FindDescriptorByName(protoreflect.FullName(s)) + if md, _ := d.(protoreflect.MessageDescriptor); md != nil && md.IsMapEntry() { + kt := goTypeForField(md.Fields().ByNumber(1)) + vt := goTypeForField(md.Fields().ByNumber(2)) + t = reflect.MapOf(kt, vt) + } + } + + // Locally cache the message type for the given name. + if t != nil { + v, _ := messageTypeCache.LoadOrStore(s, t) + return v.(reflect.Type) + } + return nil +} + +func goTypeForField(fd protoreflect.FieldDescriptor) reflect.Type { + switch k := fd.Kind(); k { + case protoreflect.EnumKind: + if et, _ := protoregistry.GlobalTypes.FindEnumByName(fd.Enum().FullName()); et != nil { + return enumGoType(et) + } + return reflect.TypeOf(protoreflect.EnumNumber(0)) + case protoreflect.MessageKind, protoreflect.GroupKind: + if mt, _ := protoregistry.GlobalTypes.FindMessageByName(fd.Message().FullName()); mt != nil { + return messageGoType(mt) + } + return reflect.TypeOf((*protoreflect.Message)(nil)).Elem() + default: + return reflect.TypeOf(fd.Default().Interface()) + } +} + +func enumGoType(et protoreflect.EnumType) reflect.Type { + return reflect.TypeOf(et.New(0)) +} + +func messageGoType(mt protoreflect.MessageType) reflect.Type { + return reflect.TypeOf(MessageV1(mt.Zero().Interface())) +} + +// MessageName returns the full protobuf name for the given message type. +// +// Deprecated: Use protoreflect.MessageDescriptor.FullName instead. +func MessageName(m Message) messageName { + if m == nil { + return "" + } + if m, ok := m.(interface{ XXX_MessageName() messageName }); ok { + return m.XXX_MessageName() + } + return messageName(protoimpl.X.MessageDescriptorOf(m).FullName()) +} + +// RegisterExtension is called from the generated code to register +// the extension descriptor. +// +// Deprecated: Use protoregistry.GlobalTypes.RegisterExtension instead. +func RegisterExtension(d *ExtensionDesc) { + if err := protoregistry.GlobalTypes.RegisterExtension(d); err != nil { + panic(err) + } +} + +type extensionsByNumber = map[int32]*ExtensionDesc + +var extensionCache sync.Map // map[messageName]extensionsByNumber + +// RegisteredExtensions returns a map of the registered extensions for the +// provided protobuf message, indexed by the extension field number. +// +// Deprecated: Use protoregistry.GlobalTypes.RangeExtensionsByMessage instead. +func RegisteredExtensions(m Message) extensionsByNumber { + // Check whether the cache is stale. If the number of extensions for + // the given message differs, then it means that some extensions were + // recently registered upstream that we do not know about. + s := MessageName(m) + v, _ := extensionCache.Load(s) + xs, _ := v.(extensionsByNumber) + if protoregistry.GlobalTypes.NumExtensionsByMessage(protoreflect.FullName(s)) == len(xs) { + return xs // cache is up-to-date + } + + // Cache is stale, re-compute the extensions map. + xs = make(extensionsByNumber) + protoregistry.GlobalTypes.RangeExtensionsByMessage(protoreflect.FullName(s), func(xt protoreflect.ExtensionType) bool { + if xd, ok := xt.(*ExtensionDesc); ok { + xs[int32(xt.TypeDescriptor().Number())] = xd + } else { + // TODO: This implies that the protoreflect.ExtensionType is a + // custom type not generated by protoc-gen-go. We could try and + // convert the type to an ExtensionDesc. + } + return true + }) + extensionCache.Store(s, xs) + return xs +} diff --git a/vendor/github.com/golang/protobuf/proto/text_decode.go b/vendor/github.com/golang/protobuf/proto/text_decode.go new file mode 100644 index 000000000..47eb3e445 --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/text_decode.go @@ -0,0 +1,801 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package proto + +import ( + "encoding" + "errors" + "fmt" + "reflect" + "strconv" + "strings" + "unicode/utf8" + + "google.golang.org/protobuf/encoding/prototext" + protoV2 "google.golang.org/protobuf/proto" + "google.golang.org/protobuf/reflect/protoreflect" + "google.golang.org/protobuf/reflect/protoregistry" +) + +const wrapTextUnmarshalV2 = false + +// ParseError is returned by UnmarshalText. +type ParseError struct { + Message string + + // Deprecated: Do not use. + Line, Offset int +} + +func (e *ParseError) Error() string { + if wrapTextUnmarshalV2 { + return e.Message + } + if e.Line == 1 { + return fmt.Sprintf("line 1.%d: %v", e.Offset, e.Message) + } + return fmt.Sprintf("line %d: %v", e.Line, e.Message) +} + +// UnmarshalText parses a proto text formatted string into m. +func UnmarshalText(s string, m Message) error { + if u, ok := m.(encoding.TextUnmarshaler); ok { + return u.UnmarshalText([]byte(s)) + } + + m.Reset() + mi := MessageV2(m) + + if wrapTextUnmarshalV2 { + err := prototext.UnmarshalOptions{ + AllowPartial: true, + }.Unmarshal([]byte(s), mi) + if err != nil { + return &ParseError{Message: err.Error()} + } + return checkRequiredNotSet(mi) + } else { + if err := newTextParser(s).unmarshalMessage(mi.ProtoReflect(), ""); err != nil { + return err + } + return checkRequiredNotSet(mi) + } +} + +type textParser struct { + s string // remaining input + done bool // whether the parsing is finished (success or error) + backed bool // whether back() was called + offset, line int + cur token +} + +type token struct { + value string + err *ParseError + line int // line number + offset int // byte number from start of input, not start of line + unquoted string // the unquoted version of value, if it was a quoted string +} + +func newTextParser(s string) *textParser { + p := new(textParser) + p.s = s + p.line = 1 + p.cur.line = 1 + return p +} + +func (p *textParser) unmarshalMessage(m protoreflect.Message, terminator string) (err error) { + md := m.Descriptor() + fds := md.Fields() + + // A struct is a sequence of "name: value", terminated by one of + // '>' or '}', or the end of the input. A name may also be + // "[extension]" or "[type/url]". + // + // The whole struct can also be an expanded Any message, like: + // [type/url] < ... struct contents ... > + seen := make(map[protoreflect.FieldNumber]bool) + for { + tok := p.next() + if tok.err != nil { + return tok.err + } + if tok.value == terminator { + break + } + if tok.value == "[" { + if err := p.unmarshalExtensionOrAny(m, seen); err != nil { + return err + } + continue + } + + // This is a normal, non-extension field. + name := protoreflect.Name(tok.value) + fd := fds.ByName(name) + switch { + case fd == nil: + gd := fds.ByName(protoreflect.Name(strings.ToLower(string(name)))) + if gd != nil && gd.Kind() == protoreflect.GroupKind && gd.Message().Name() == name { + fd = gd + } + case fd.Kind() == protoreflect.GroupKind && fd.Message().Name() != name: + fd = nil + case fd.IsWeak() && fd.Message().IsPlaceholder(): + fd = nil + } + if fd == nil { + typeName := string(md.FullName()) + if m, ok := m.Interface().(Message); ok { + t := reflect.TypeOf(m) + if t.Kind() == reflect.Ptr { + typeName = t.Elem().String() + } + } + return p.errorf("unknown field name %q in %v", name, typeName) + } + if od := fd.ContainingOneof(); od != nil && m.WhichOneof(od) != nil { + return p.errorf("field '%s' would overwrite already parsed oneof '%s'", name, od.Name()) + } + if fd.Cardinality() != protoreflect.Repeated && seen[fd.Number()] { + return p.errorf("non-repeated field %q was repeated", fd.Name()) + } + seen[fd.Number()] = true + + // Consume any colon. + if err := p.checkForColon(fd); err != nil { + return err + } + + // Parse into the field. + v := m.Get(fd) + if !m.Has(fd) && (fd.IsList() || fd.IsMap() || fd.Message() != nil) { + v = m.Mutable(fd) + } + if v, err = p.unmarshalValue(v, fd); err != nil { + return err + } + m.Set(fd, v) + + if err := p.consumeOptionalSeparator(); err != nil { + return err + } + } + return nil +} + +func (p *textParser) unmarshalExtensionOrAny(m protoreflect.Message, seen map[protoreflect.FieldNumber]bool) error { + name, err := p.consumeExtensionOrAnyName() + if err != nil { + return err + } + + // If it contains a slash, it's an Any type URL. + if slashIdx := strings.LastIndex(name, "/"); slashIdx >= 0 { + tok := p.next() + if tok.err != nil { + return tok.err + } + // consume an optional colon + if tok.value == ":" { + tok = p.next() + if tok.err != nil { + return tok.err + } + } + + var terminator string + switch tok.value { + case "<": + terminator = ">" + case "{": + terminator = "}" + default: + return p.errorf("expected '{' or '<', found %q", tok.value) + } + + mt, err := protoregistry.GlobalTypes.FindMessageByURL(name) + if err != nil { + return p.errorf("unrecognized message %q in google.protobuf.Any", name[slashIdx+len("/"):]) + } + m2 := mt.New() + if err := p.unmarshalMessage(m2, terminator); err != nil { + return err + } + b, err := protoV2.Marshal(m2.Interface()) + if err != nil { + return p.errorf("failed to marshal message of type %q: %v", name[slashIdx+len("/"):], err) + } + + urlFD := m.Descriptor().Fields().ByName("type_url") + valFD := m.Descriptor().Fields().ByName("value") + if seen[urlFD.Number()] { + return p.errorf("Any message unpacked multiple times, or %q already set", urlFD.Name()) + } + if seen[valFD.Number()] { + return p.errorf("Any message unpacked multiple times, or %q already set", valFD.Name()) + } + m.Set(urlFD, protoreflect.ValueOfString(name)) + m.Set(valFD, protoreflect.ValueOfBytes(b)) + seen[urlFD.Number()] = true + seen[valFD.Number()] = true + return nil + } + + xname := protoreflect.FullName(name) + xt, _ := protoregistry.GlobalTypes.FindExtensionByName(xname) + if xt == nil && isMessageSet(m.Descriptor()) { + xt, _ = protoregistry.GlobalTypes.FindExtensionByName(xname.Append("message_set_extension")) + } + if xt == nil { + return p.errorf("unrecognized extension %q", name) + } + fd := xt.TypeDescriptor() + if fd.ContainingMessage().FullName() != m.Descriptor().FullName() { + return p.errorf("extension field %q does not extend message %q", name, m.Descriptor().FullName()) + } + + if err := p.checkForColon(fd); err != nil { + return err + } + + v := m.Get(fd) + if !m.Has(fd) && (fd.IsList() || fd.IsMap() || fd.Message() != nil) { + v = m.Mutable(fd) + } + v, err = p.unmarshalValue(v, fd) + if err != nil { + return err + } + m.Set(fd, v) + return p.consumeOptionalSeparator() +} + +func (p *textParser) unmarshalValue(v protoreflect.Value, fd protoreflect.FieldDescriptor) (protoreflect.Value, error) { + tok := p.next() + if tok.err != nil { + return v, tok.err + } + if tok.value == "" { + return v, p.errorf("unexpected EOF") + } + + switch { + case fd.IsList(): + lv := v.List() + var err error + if tok.value == "[" { + // Repeated field with list notation, like [1,2,3]. + for { + vv := lv.NewElement() + vv, err = p.unmarshalSingularValue(vv, fd) + if err != nil { + return v, err + } + lv.Append(vv) + + tok := p.next() + if tok.err != nil { + return v, tok.err + } + if tok.value == "]" { + break + } + if tok.value != "," { + return v, p.errorf("Expected ']' or ',' found %q", tok.value) + } + } + return v, nil + } + + // One value of the repeated field. + p.back() + vv := lv.NewElement() + vv, err = p.unmarshalSingularValue(vv, fd) + if err != nil { + return v, err + } + lv.Append(vv) + return v, nil + case fd.IsMap(): + // The map entry should be this sequence of tokens: + // < key : KEY value : VALUE > + // However, implementations may omit key or value, and technically + // we should support them in any order. + var terminator string + switch tok.value { + case "<": + terminator = ">" + case "{": + terminator = "}" + default: + return v, p.errorf("expected '{' or '<', found %q", tok.value) + } + + keyFD := fd.MapKey() + valFD := fd.MapValue() + + mv := v.Map() + kv := keyFD.Default() + vv := mv.NewValue() + for { + tok := p.next() + if tok.err != nil { + return v, tok.err + } + if tok.value == terminator { + break + } + var err error + switch tok.value { + case "key": + if err := p.consumeToken(":"); err != nil { + return v, err + } + if kv, err = p.unmarshalSingularValue(kv, keyFD); err != nil { + return v, err + } + if err := p.consumeOptionalSeparator(); err != nil { + return v, err + } + case "value": + if err := p.checkForColon(valFD); err != nil { + return v, err + } + if vv, err = p.unmarshalSingularValue(vv, valFD); err != nil { + return v, err + } + if err := p.consumeOptionalSeparator(); err != nil { + return v, err + } + default: + p.back() + return v, p.errorf(`expected "key", "value", or %q, found %q`, terminator, tok.value) + } + } + mv.Set(kv.MapKey(), vv) + return v, nil + default: + p.back() + return p.unmarshalSingularValue(v, fd) + } +} + +func (p *textParser) unmarshalSingularValue(v protoreflect.Value, fd protoreflect.FieldDescriptor) (protoreflect.Value, error) { + tok := p.next() + if tok.err != nil { + return v, tok.err + } + if tok.value == "" { + return v, p.errorf("unexpected EOF") + } + + switch fd.Kind() { + case protoreflect.BoolKind: + switch tok.value { + case "true", "1", "t", "True": + return protoreflect.ValueOfBool(true), nil + case "false", "0", "f", "False": + return protoreflect.ValueOfBool(false), nil + } + case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind: + if x, err := strconv.ParseInt(tok.value, 0, 32); err == nil { + return protoreflect.ValueOfInt32(int32(x)), nil + } + + // The C++ parser accepts large positive hex numbers that uses + // two's complement arithmetic to represent negative numbers. + // This feature is here for backwards compatibility with C++. + if strings.HasPrefix(tok.value, "0x") { + if x, err := strconv.ParseUint(tok.value, 0, 32); err == nil { + return protoreflect.ValueOfInt32(int32(-(int64(^x) + 1))), nil + } + } + case protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind: + if x, err := strconv.ParseInt(tok.value, 0, 64); err == nil { + return protoreflect.ValueOfInt64(int64(x)), nil + } + + // The C++ parser accepts large positive hex numbers that uses + // two's complement arithmetic to represent negative numbers. + // This feature is here for backwards compatibility with C++. + if strings.HasPrefix(tok.value, "0x") { + if x, err := strconv.ParseUint(tok.value, 0, 64); err == nil { + return protoreflect.ValueOfInt64(int64(-(int64(^x) + 1))), nil + } + } + case protoreflect.Uint32Kind, protoreflect.Fixed32Kind: + if x, err := strconv.ParseUint(tok.value, 0, 32); err == nil { + return protoreflect.ValueOfUint32(uint32(x)), nil + } + case protoreflect.Uint64Kind, protoreflect.Fixed64Kind: + if x, err := strconv.ParseUint(tok.value, 0, 64); err == nil { + return protoreflect.ValueOfUint64(uint64(x)), nil + } + case protoreflect.FloatKind: + // Ignore 'f' for compatibility with output generated by C++, + // but don't remove 'f' when the value is "-inf" or "inf". + v := tok.value + if strings.HasSuffix(v, "f") && v != "-inf" && v != "inf" { + v = v[:len(v)-len("f")] + } + if x, err := strconv.ParseFloat(v, 32); err == nil { + return protoreflect.ValueOfFloat32(float32(x)), nil + } + case protoreflect.DoubleKind: + // Ignore 'f' for compatibility with output generated by C++, + // but don't remove 'f' when the value is "-inf" or "inf". + v := tok.value + if strings.HasSuffix(v, "f") && v != "-inf" && v != "inf" { + v = v[:len(v)-len("f")] + } + if x, err := strconv.ParseFloat(v, 64); err == nil { + return protoreflect.ValueOfFloat64(float64(x)), nil + } + case protoreflect.StringKind: + if isQuote(tok.value[0]) { + return protoreflect.ValueOfString(tok.unquoted), nil + } + case protoreflect.BytesKind: + if isQuote(tok.value[0]) { + return protoreflect.ValueOfBytes([]byte(tok.unquoted)), nil + } + case protoreflect.EnumKind: + if x, err := strconv.ParseInt(tok.value, 0, 32); err == nil { + return protoreflect.ValueOfEnum(protoreflect.EnumNumber(x)), nil + } + vd := fd.Enum().Values().ByName(protoreflect.Name(tok.value)) + if vd != nil { + return protoreflect.ValueOfEnum(vd.Number()), nil + } + case protoreflect.MessageKind, protoreflect.GroupKind: + var terminator string + switch tok.value { + case "{": + terminator = "}" + case "<": + terminator = ">" + default: + return v, p.errorf("expected '{' or '<', found %q", tok.value) + } + err := p.unmarshalMessage(v.Message(), terminator) + return v, err + default: + panic(fmt.Sprintf("invalid kind %v", fd.Kind())) + } + return v, p.errorf("invalid %v: %v", fd.Kind(), tok.value) +} + +// Consume a ':' from the input stream (if the next token is a colon), +// returning an error if a colon is needed but not present. +func (p *textParser) checkForColon(fd protoreflect.FieldDescriptor) *ParseError { + tok := p.next() + if tok.err != nil { + return tok.err + } + if tok.value != ":" { + if fd.Message() == nil { + return p.errorf("expected ':', found %q", tok.value) + } + p.back() + } + return nil +} + +// consumeExtensionOrAnyName consumes an extension name or an Any type URL and +// the following ']'. It returns the name or URL consumed. +func (p *textParser) consumeExtensionOrAnyName() (string, error) { + tok := p.next() + if tok.err != nil { + return "", tok.err + } + + // If extension name or type url is quoted, it's a single token. + if len(tok.value) > 2 && isQuote(tok.value[0]) && tok.value[len(tok.value)-1] == tok.value[0] { + name, err := unquoteC(tok.value[1:len(tok.value)-1], rune(tok.value[0])) + if err != nil { + return "", err + } + return name, p.consumeToken("]") + } + + // Consume everything up to "]" + var parts []string + for tok.value != "]" { + parts = append(parts, tok.value) + tok = p.next() + if tok.err != nil { + return "", p.errorf("unrecognized type_url or extension name: %s", tok.err) + } + if p.done && tok.value != "]" { + return "", p.errorf("unclosed type_url or extension name") + } + } + return strings.Join(parts, ""), nil +} + +// consumeOptionalSeparator consumes an optional semicolon or comma. +// It is used in unmarshalMessage to provide backward compatibility. +func (p *textParser) consumeOptionalSeparator() error { + tok := p.next() + if tok.err != nil { + return tok.err + } + if tok.value != ";" && tok.value != "," { + p.back() + } + return nil +} + +func (p *textParser) errorf(format string, a ...interface{}) *ParseError { + pe := &ParseError{fmt.Sprintf(format, a...), p.cur.line, p.cur.offset} + p.cur.err = pe + p.done = true + return pe +} + +func (p *textParser) skipWhitespace() { + i := 0 + for i < len(p.s) && (isWhitespace(p.s[i]) || p.s[i] == '#') { + if p.s[i] == '#' { + // comment; skip to end of line or input + for i < len(p.s) && p.s[i] != '\n' { + i++ + } + if i == len(p.s) { + break + } + } + if p.s[i] == '\n' { + p.line++ + } + i++ + } + p.offset += i + p.s = p.s[i:len(p.s)] + if len(p.s) == 0 { + p.done = true + } +} + +func (p *textParser) advance() { + // Skip whitespace + p.skipWhitespace() + if p.done { + return + } + + // Start of non-whitespace + p.cur.err = nil + p.cur.offset, p.cur.line = p.offset, p.line + p.cur.unquoted = "" + switch p.s[0] { + case '<', '>', '{', '}', ':', '[', ']', ';', ',', '/': + // Single symbol + p.cur.value, p.s = p.s[0:1], p.s[1:len(p.s)] + case '"', '\'': + // Quoted string + i := 1 + for i < len(p.s) && p.s[i] != p.s[0] && p.s[i] != '\n' { + if p.s[i] == '\\' && i+1 < len(p.s) { + // skip escaped char + i++ + } + i++ + } + if i >= len(p.s) || p.s[i] != p.s[0] { + p.errorf("unmatched quote") + return + } + unq, err := unquoteC(p.s[1:i], rune(p.s[0])) + if err != nil { + p.errorf("invalid quoted string %s: %v", p.s[0:i+1], err) + return + } + p.cur.value, p.s = p.s[0:i+1], p.s[i+1:len(p.s)] + p.cur.unquoted = unq + default: + i := 0 + for i < len(p.s) && isIdentOrNumberChar(p.s[i]) { + i++ + } + if i == 0 { + p.errorf("unexpected byte %#x", p.s[0]) + return + } + p.cur.value, p.s = p.s[0:i], p.s[i:len(p.s)] + } + p.offset += len(p.cur.value) +} + +// Back off the parser by one token. Can only be done between calls to next(). +// It makes the next advance() a no-op. +func (p *textParser) back() { p.backed = true } + +// Advances the parser and returns the new current token. +func (p *textParser) next() *token { + if p.backed || p.done { + p.backed = false + return &p.cur + } + p.advance() + if p.done { + p.cur.value = "" + } else if len(p.cur.value) > 0 && isQuote(p.cur.value[0]) { + // Look for multiple quoted strings separated by whitespace, + // and concatenate them. + cat := p.cur + for { + p.skipWhitespace() + if p.done || !isQuote(p.s[0]) { + break + } + p.advance() + if p.cur.err != nil { + return &p.cur + } + cat.value += " " + p.cur.value + cat.unquoted += p.cur.unquoted + } + p.done = false // parser may have seen EOF, but we want to return cat + p.cur = cat + } + return &p.cur +} + +func (p *textParser) consumeToken(s string) error { + tok := p.next() + if tok.err != nil { + return tok.err + } + if tok.value != s { + p.back() + return p.errorf("expected %q, found %q", s, tok.value) + } + return nil +} + +var errBadUTF8 = errors.New("proto: bad UTF-8") + +func unquoteC(s string, quote rune) (string, error) { + // This is based on C++'s tokenizer.cc. + // Despite its name, this is *not* parsing C syntax. + // For instance, "\0" is an invalid quoted string. + + // Avoid allocation in trivial cases. + simple := true + for _, r := range s { + if r == '\\' || r == quote { + simple = false + break + } + } + if simple { + return s, nil + } + + buf := make([]byte, 0, 3*len(s)/2) + for len(s) > 0 { + r, n := utf8.DecodeRuneInString(s) + if r == utf8.RuneError && n == 1 { + return "", errBadUTF8 + } + s = s[n:] + if r != '\\' { + if r < utf8.RuneSelf { + buf = append(buf, byte(r)) + } else { + buf = append(buf, string(r)...) + } + continue + } + + ch, tail, err := unescape(s) + if err != nil { + return "", err + } + buf = append(buf, ch...) + s = tail + } + return string(buf), nil +} + +func unescape(s string) (ch string, tail string, err error) { + r, n := utf8.DecodeRuneInString(s) + if r == utf8.RuneError && n == 1 { + return "", "", errBadUTF8 + } + s = s[n:] + switch r { + case 'a': + return "\a", s, nil + case 'b': + return "\b", s, nil + case 'f': + return "\f", s, nil + case 'n': + return "\n", s, nil + case 'r': + return "\r", s, nil + case 't': + return "\t", s, nil + case 'v': + return "\v", s, nil + case '?': + return "?", s, nil // trigraph workaround + case '\'', '"', '\\': + return string(r), s, nil + case '0', '1', '2', '3', '4', '5', '6', '7': + if len(s) < 2 { + return "", "", fmt.Errorf(`\%c requires 2 following digits`, r) + } + ss := string(r) + s[:2] + s = s[2:] + i, err := strconv.ParseUint(ss, 8, 8) + if err != nil { + return "", "", fmt.Errorf(`\%s contains non-octal digits`, ss) + } + return string([]byte{byte(i)}), s, nil + case 'x', 'X', 'u', 'U': + var n int + switch r { + case 'x', 'X': + n = 2 + case 'u': + n = 4 + case 'U': + n = 8 + } + if len(s) < n { + return "", "", fmt.Errorf(`\%c requires %d following digits`, r, n) + } + ss := s[:n] + s = s[n:] + i, err := strconv.ParseUint(ss, 16, 64) + if err != nil { + return "", "", fmt.Errorf(`\%c%s contains non-hexadecimal digits`, r, ss) + } + if r == 'x' || r == 'X' { + return string([]byte{byte(i)}), s, nil + } + if i > utf8.MaxRune { + return "", "", fmt.Errorf(`\%c%s is not a valid Unicode code point`, r, ss) + } + return string(rune(i)), s, nil + } + return "", "", fmt.Errorf(`unknown escape \%c`, r) +} + +func isIdentOrNumberChar(c byte) bool { + switch { + case 'A' <= c && c <= 'Z', 'a' <= c && c <= 'z': + return true + case '0' <= c && c <= '9': + return true + } + switch c { + case '-', '+', '.', '_': + return true + } + return false +} + +func isWhitespace(c byte) bool { + switch c { + case ' ', '\t', '\n', '\r': + return true + } + return false +} + +func isQuote(c byte) bool { + switch c { + case '"', '\'': + return true + } + return false +} diff --git a/vendor/github.com/golang/protobuf/proto/text_encode.go b/vendor/github.com/golang/protobuf/proto/text_encode.go new file mode 100644 index 000000000..a31134eeb --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/text_encode.go @@ -0,0 +1,560 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package proto + +import ( + "bytes" + "encoding" + "fmt" + "io" + "math" + "sort" + "strings" + + "google.golang.org/protobuf/encoding/prototext" + "google.golang.org/protobuf/encoding/protowire" + "google.golang.org/protobuf/proto" + "google.golang.org/protobuf/reflect/protoreflect" + "google.golang.org/protobuf/reflect/protoregistry" +) + +const wrapTextMarshalV2 = false + +// TextMarshaler is a configurable text format marshaler. +type TextMarshaler struct { + Compact bool // use compact text format (one line) + ExpandAny bool // expand google.protobuf.Any messages of known types +} + +// Marshal writes the proto text format of m to w. +func (tm *TextMarshaler) Marshal(w io.Writer, m Message) error { + b, err := tm.marshal(m) + if len(b) > 0 { + if _, err := w.Write(b); err != nil { + return err + } + } + return err +} + +// Text returns a proto text formatted string of m. +func (tm *TextMarshaler) Text(m Message) string { + b, _ := tm.marshal(m) + return string(b) +} + +func (tm *TextMarshaler) marshal(m Message) ([]byte, error) { + mr := MessageReflect(m) + if mr == nil || !mr.IsValid() { + return []byte("<nil>"), nil + } + + if wrapTextMarshalV2 { + if m, ok := m.(encoding.TextMarshaler); ok { + return m.MarshalText() + } + + opts := prototext.MarshalOptions{ + AllowPartial: true, + EmitUnknown: true, + } + if !tm.Compact { + opts.Indent = " " + } + if !tm.ExpandAny { + opts.Resolver = (*protoregistry.Types)(nil) + } + return opts.Marshal(mr.Interface()) + } else { + w := &textWriter{ + compact: tm.Compact, + expandAny: tm.ExpandAny, + complete: true, + } + + if m, ok := m.(encoding.TextMarshaler); ok { + b, err := m.MarshalText() + if err != nil { + return nil, err + } + w.Write(b) + return w.buf, nil + } + + err := w.writeMessage(mr) + return w.buf, err + } +} + +var ( + defaultTextMarshaler = TextMarshaler{} + compactTextMarshaler = TextMarshaler{Compact: true} +) + +// MarshalText writes the proto text format of m to w. +func MarshalText(w io.Writer, m Message) error { return defaultTextMarshaler.Marshal(w, m) } + +// MarshalTextString returns a proto text formatted string of m. +func MarshalTextString(m Message) string { return defaultTextMarshaler.Text(m) } + +// CompactText writes the compact proto text format of m to w. +func CompactText(w io.Writer, m Message) error { return compactTextMarshaler.Marshal(w, m) } + +// CompactTextString returns a compact proto text formatted string of m. +func CompactTextString(m Message) string { return compactTextMarshaler.Text(m) } + +var ( + newline = []byte("\n") + endBraceNewline = []byte("}\n") + posInf = []byte("inf") + negInf = []byte("-inf") + nan = []byte("nan") +) + +// textWriter is an io.Writer that tracks its indentation level. +type textWriter struct { + compact bool // same as TextMarshaler.Compact + expandAny bool // same as TextMarshaler.ExpandAny + complete bool // whether the current position is a complete line + indent int // indentation level; never negative + buf []byte +} + +func (w *textWriter) Write(p []byte) (n int, _ error) { + newlines := bytes.Count(p, newline) + if newlines == 0 { + if !w.compact && w.complete { + w.writeIndent() + } + w.buf = append(w.buf, p...) + w.complete = false + return len(p), nil + } + + frags := bytes.SplitN(p, newline, newlines+1) + if w.compact { + for i, frag := range frags { + if i > 0 { + w.buf = append(w.buf, ' ') + n++ + } + w.buf = append(w.buf, frag...) + n += len(frag) + } + return n, nil + } + + for i, frag := range frags { + if w.complete { + w.writeIndent() + } + w.buf = append(w.buf, frag...) + n += len(frag) + if i+1 < len(frags) { + w.buf = append(w.buf, '\n') + n++ + } + } + w.complete = len(frags[len(frags)-1]) == 0 + return n, nil +} + +func (w *textWriter) WriteByte(c byte) error { + if w.compact && c == '\n' { + c = ' ' + } + if !w.compact && w.complete { + w.writeIndent() + } + w.buf = append(w.buf, c) + w.complete = c == '\n' + return nil +} + +func (w *textWriter) writeName(fd protoreflect.FieldDescriptor) { + if !w.compact && w.complete { + w.writeIndent() + } + w.complete = false + + if fd.Kind() != protoreflect.GroupKind { + w.buf = append(w.buf, fd.Name()...) + w.WriteByte(':') + } else { + // Use message type name for group field name. + w.buf = append(w.buf, fd.Message().Name()...) + } + + if !w.compact { + w.WriteByte(' ') + } +} + +func requiresQuotes(u string) bool { + // When type URL contains any characters except [0-9A-Za-z./\-]*, it must be quoted. + for _, ch := range u { + switch { + case ch == '.' || ch == '/' || ch == '_': + continue + case '0' <= ch && ch <= '9': + continue + case 'A' <= ch && ch <= 'Z': + continue + case 'a' <= ch && ch <= 'z': + continue + default: + return true + } + } + return false +} + +// writeProto3Any writes an expanded google.protobuf.Any message. +// +// It returns (false, nil) if sv value can't be unmarshaled (e.g. because +// required messages are not linked in). +// +// It returns (true, error) when sv was written in expanded format or an error +// was encountered. +func (w *textWriter) writeProto3Any(m protoreflect.Message) (bool, error) { + md := m.Descriptor() + fdURL := md.Fields().ByName("type_url") + fdVal := md.Fields().ByName("value") + + url := m.Get(fdURL).String() + mt, err := protoregistry.GlobalTypes.FindMessageByURL(url) + if err != nil { + return false, nil + } + + b := m.Get(fdVal).Bytes() + m2 := mt.New() + if err := proto.Unmarshal(b, m2.Interface()); err != nil { + return false, nil + } + w.Write([]byte("[")) + if requiresQuotes(url) { + w.writeQuotedString(url) + } else { + w.Write([]byte(url)) + } + if w.compact { + w.Write([]byte("]:<")) + } else { + w.Write([]byte("]: <\n")) + w.indent++ + } + if err := w.writeMessage(m2); err != nil { + return true, err + } + if w.compact { + w.Write([]byte("> ")) + } else { + w.indent-- + w.Write([]byte(">\n")) + } + return true, nil +} + +func (w *textWriter) writeMessage(m protoreflect.Message) error { + md := m.Descriptor() + if w.expandAny && md.FullName() == "google.protobuf.Any" { + if canExpand, err := w.writeProto3Any(m); canExpand { + return err + } + } + + fds := md.Fields() + for i := 0; i < fds.Len(); { + fd := fds.Get(i) + if od := fd.ContainingOneof(); od != nil { + fd = m.WhichOneof(od) + i += od.Fields().Len() + } else { + i++ + } + if fd == nil || !m.Has(fd) { + continue + } + + switch { + case fd.IsList(): + lv := m.Get(fd).List() + for j := 0; j < lv.Len(); j++ { + w.writeName(fd) + v := lv.Get(j) + if err := w.writeSingularValue(v, fd); err != nil { + return err + } + w.WriteByte('\n') + } + case fd.IsMap(): + kfd := fd.MapKey() + vfd := fd.MapValue() + mv := m.Get(fd).Map() + + type entry struct{ key, val protoreflect.Value } + var entries []entry + mv.Range(func(k protoreflect.MapKey, v protoreflect.Value) bool { + entries = append(entries, entry{k.Value(), v}) + return true + }) + sort.Slice(entries, func(i, j int) bool { + switch kfd.Kind() { + case protoreflect.BoolKind: + return !entries[i].key.Bool() && entries[j].key.Bool() + case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind, protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind: + return entries[i].key.Int() < entries[j].key.Int() + case protoreflect.Uint32Kind, protoreflect.Fixed32Kind, protoreflect.Uint64Kind, protoreflect.Fixed64Kind: + return entries[i].key.Uint() < entries[j].key.Uint() + case protoreflect.StringKind: + return entries[i].key.String() < entries[j].key.String() + default: + panic("invalid kind") + } + }) + for _, entry := range entries { + w.writeName(fd) + w.WriteByte('<') + if !w.compact { + w.WriteByte('\n') + } + w.indent++ + w.writeName(kfd) + if err := w.writeSingularValue(entry.key, kfd); err != nil { + return err + } + w.WriteByte('\n') + w.writeName(vfd) + if err := w.writeSingularValue(entry.val, vfd); err != nil { + return err + } + w.WriteByte('\n') + w.indent-- + w.WriteByte('>') + w.WriteByte('\n') + } + default: + w.writeName(fd) + if err := w.writeSingularValue(m.Get(fd), fd); err != nil { + return err + } + w.WriteByte('\n') + } + } + + if b := m.GetUnknown(); len(b) > 0 { + w.writeUnknownFields(b) + } + return w.writeExtensions(m) +} + +func (w *textWriter) writeSingularValue(v protoreflect.Value, fd protoreflect.FieldDescriptor) error { + switch fd.Kind() { + case protoreflect.FloatKind, protoreflect.DoubleKind: + switch vf := v.Float(); { + case math.IsInf(vf, +1): + w.Write(posInf) + case math.IsInf(vf, -1): + w.Write(negInf) + case math.IsNaN(vf): + w.Write(nan) + default: + fmt.Fprint(w, v.Interface()) + } + case protoreflect.StringKind: + // NOTE: This does not validate UTF-8 for historical reasons. + w.writeQuotedString(string(v.String())) + case protoreflect.BytesKind: + w.writeQuotedString(string(v.Bytes())) + case protoreflect.MessageKind, protoreflect.GroupKind: + var bra, ket byte = '<', '>' + if fd.Kind() == protoreflect.GroupKind { + bra, ket = '{', '}' + } + w.WriteByte(bra) + if !w.compact { + w.WriteByte('\n') + } + w.indent++ + m := v.Message() + if m2, ok := m.Interface().(encoding.TextMarshaler); ok { + b, err := m2.MarshalText() + if err != nil { + return err + } + w.Write(b) + } else { + w.writeMessage(m) + } + w.indent-- + w.WriteByte(ket) + case protoreflect.EnumKind: + if ev := fd.Enum().Values().ByNumber(v.Enum()); ev != nil { + fmt.Fprint(w, ev.Name()) + } else { + fmt.Fprint(w, v.Enum()) + } + default: + fmt.Fprint(w, v.Interface()) + } + return nil +} + +// writeQuotedString writes a quoted string in the protocol buffer text format. +func (w *textWriter) writeQuotedString(s string) { + w.WriteByte('"') + for i := 0; i < len(s); i++ { + switch c := s[i]; c { + case '\n': + w.buf = append(w.buf, `\n`...) + case '\r': + w.buf = append(w.buf, `\r`...) + case '\t': + w.buf = append(w.buf, `\t`...) + case '"': + w.buf = append(w.buf, `\"`...) + case '\\': + w.buf = append(w.buf, `\\`...) + default: + if isPrint := c >= 0x20 && c < 0x7f; isPrint { + w.buf = append(w.buf, c) + } else { + w.buf = append(w.buf, fmt.Sprintf(`\%03o`, c)...) + } + } + } + w.WriteByte('"') +} + +func (w *textWriter) writeUnknownFields(b []byte) { + if !w.compact { + fmt.Fprintf(w, "/* %d unknown bytes */\n", len(b)) + } + + for len(b) > 0 { + num, wtyp, n := protowire.ConsumeTag(b) + if n < 0 { + return + } + b = b[n:] + + if wtyp == protowire.EndGroupType { + w.indent-- + w.Write(endBraceNewline) + continue + } + fmt.Fprint(w, num) + if wtyp != protowire.StartGroupType { + w.WriteByte(':') + } + if !w.compact || wtyp == protowire.StartGroupType { + w.WriteByte(' ') + } + switch wtyp { + case protowire.VarintType: + v, n := protowire.ConsumeVarint(b) + if n < 0 { + return + } + b = b[n:] + fmt.Fprint(w, v) + case protowire.Fixed32Type: + v, n := protowire.ConsumeFixed32(b) + if n < 0 { + return + } + b = b[n:] + fmt.Fprint(w, v) + case protowire.Fixed64Type: + v, n := protowire.ConsumeFixed64(b) + if n < 0 { + return + } + b = b[n:] + fmt.Fprint(w, v) + case protowire.BytesType: + v, n := protowire.ConsumeBytes(b) + if n < 0 { + return + } + b = b[n:] + fmt.Fprintf(w, "%q", v) + case protowire.StartGroupType: + w.WriteByte('{') + w.indent++ + default: + fmt.Fprintf(w, "/* unknown wire type %d */", wtyp) + } + w.WriteByte('\n') + } +} + +// writeExtensions writes all the extensions in m. +func (w *textWriter) writeExtensions(m protoreflect.Message) error { + md := m.Descriptor() + if md.ExtensionRanges().Len() == 0 { + return nil + } + + type ext struct { + desc protoreflect.FieldDescriptor + val protoreflect.Value + } + var exts []ext + m.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool { + if fd.IsExtension() { + exts = append(exts, ext{fd, v}) + } + return true + }) + sort.Slice(exts, func(i, j int) bool { + return exts[i].desc.Number() < exts[j].desc.Number() + }) + + for _, ext := range exts { + // For message set, use the name of the message as the extension name. + name := string(ext.desc.FullName()) + if isMessageSet(ext.desc.ContainingMessage()) { + name = strings.TrimSuffix(name, ".message_set_extension") + } + + if !ext.desc.IsList() { + if err := w.writeSingularExtension(name, ext.val, ext.desc); err != nil { + return err + } + } else { + lv := ext.val.List() + for i := 0; i < lv.Len(); i++ { + if err := w.writeSingularExtension(name, lv.Get(i), ext.desc); err != nil { + return err + } + } + } + } + return nil +} + +func (w *textWriter) writeSingularExtension(name string, v protoreflect.Value, fd protoreflect.FieldDescriptor) error { + fmt.Fprintf(w, "[%s]:", name) + if !w.compact { + w.WriteByte(' ') + } + if err := w.writeSingularValue(v, fd); err != nil { + return err + } + w.WriteByte('\n') + return nil +} + +func (w *textWriter) writeIndent() { + if !w.complete { + return + } + for i := 0; i < w.indent*2; i++ { + w.buf = append(w.buf, ' ') + } + w.complete = false +} diff --git a/vendor/github.com/golang/protobuf/proto/wire.go b/vendor/github.com/golang/protobuf/proto/wire.go new file mode 100644 index 000000000..d7c28da5a --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/wire.go @@ -0,0 +1,78 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package proto + +import ( + protoV2 "google.golang.org/protobuf/proto" + "google.golang.org/protobuf/runtime/protoiface" +) + +// Size returns the size in bytes of the wire-format encoding of m. +func Size(m Message) int { + if m == nil { + return 0 + } + mi := MessageV2(m) + return protoV2.Size(mi) +} + +// Marshal returns the wire-format encoding of m. +func Marshal(m Message) ([]byte, error) { + b, err := marshalAppend(nil, m, false) + if b == nil { + b = zeroBytes + } + return b, err +} + +var zeroBytes = make([]byte, 0, 0) + +func marshalAppend(buf []byte, m Message, deterministic bool) ([]byte, error) { + if m == nil { + return nil, ErrNil + } + mi := MessageV2(m) + nbuf, err := protoV2.MarshalOptions{ + Deterministic: deterministic, + AllowPartial: true, + }.MarshalAppend(buf, mi) + if err != nil { + return buf, err + } + if len(buf) == len(nbuf) { + if !mi.ProtoReflect().IsValid() { + return buf, ErrNil + } + } + return nbuf, checkRequiredNotSet(mi) +} + +// Unmarshal parses a wire-format message in b and places the decoded results in m. +// +// Unmarshal resets m before starting to unmarshal, so any existing data in m is always +// removed. Use UnmarshalMerge to preserve and append to existing data. +func Unmarshal(b []byte, m Message) error { + m.Reset() + return UnmarshalMerge(b, m) +} + +// UnmarshalMerge parses a wire-format message in b and places the decoded results in m. +func UnmarshalMerge(b []byte, m Message) error { + mi := MessageV2(m) + out, err := protoV2.UnmarshalOptions{ + AllowPartial: true, + Merge: true, + }.UnmarshalState(protoiface.UnmarshalInput{ + Buf: b, + Message: mi.ProtoReflect(), + }) + if err != nil { + return err + } + if out.Flags&protoiface.UnmarshalInitialized > 0 { + return nil + } + return checkRequiredNotSet(mi) +} diff --git a/vendor/github.com/golang/protobuf/proto/wrappers.go b/vendor/github.com/golang/protobuf/proto/wrappers.go new file mode 100644 index 000000000..398e34859 --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/wrappers.go @@ -0,0 +1,34 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package proto + +// Bool stores v in a new bool value and returns a pointer to it. +func Bool(v bool) *bool { return &v } + +// Int stores v in a new int32 value and returns a pointer to it. +// +// Deprecated: Use Int32 instead. +func Int(v int) *int32 { return Int32(int32(v)) } + +// Int32 stores v in a new int32 value and returns a pointer to it. +func Int32(v int32) *int32 { return &v } + +// Int64 stores v in a new int64 value and returns a pointer to it. +func Int64(v int64) *int64 { return &v } + +// Uint32 stores v in a new uint32 value and returns a pointer to it. +func Uint32(v uint32) *uint32 { return &v } + +// Uint64 stores v in a new uint64 value and returns a pointer to it. +func Uint64(v uint64) *uint64 { return &v } + +// Float32 stores v in a new float32 value and returns a pointer to it. +func Float32(v float32) *float32 { return &v } + +// Float64 stores v in a new float64 value and returns a pointer to it. +func Float64(v float64) *float64 { return &v } + +// String stores v in a new string value and returns a pointer to it. +func String(v string) *string { return &v } |