mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-25 20:00:06 +01:00
679 lines
25 KiB
Go
679 lines
25 KiB
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package filedesc
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import (
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"bytes"
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"fmt"
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"sync"
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"sync/atomic"
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"google.golang.org/protobuf/internal/descfmt"
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"google.golang.org/protobuf/internal/descopts"
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"google.golang.org/protobuf/internal/encoding/defval"
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"google.golang.org/protobuf/internal/encoding/messageset"
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"google.golang.org/protobuf/internal/genid"
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"google.golang.org/protobuf/internal/pragma"
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"google.golang.org/protobuf/internal/strs"
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"google.golang.org/protobuf/reflect/protoreflect"
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"google.golang.org/protobuf/reflect/protoregistry"
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)
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// Edition is an Enum for proto2.Edition
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type Edition int32
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// These values align with the value of Enum in descriptor.proto which allows
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// direct conversion between the proto enum and this enum.
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const (
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EditionUnknown Edition = 0
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EditionProto2 Edition = 998
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EditionProto3 Edition = 999
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Edition2023 Edition = 1000
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EditionUnsupported Edition = 100000
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)
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// The types in this file may have a suffix:
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// • L0: Contains fields common to all descriptors (except File) and
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// must be initialized up front.
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// • L1: Contains fields specific to a descriptor and
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// must be initialized up front. If the associated proto uses Editions, the
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// Editions features must always be resolved. If not explicitly set, the
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// appropriate default must be resolved and set.
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// • L2: Contains fields that are lazily initialized when constructing
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// from the raw file descriptor. When constructing as a literal, the L2
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// fields must be initialized up front.
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//
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// The types are exported so that packages like reflect/protodesc can
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// directly construct descriptors.
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type (
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File struct {
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fileRaw
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L1 FileL1
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once uint32 // atomically set if L2 is valid
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mu sync.Mutex // protects L2
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L2 *FileL2
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}
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FileL1 struct {
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Syntax protoreflect.Syntax
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Edition Edition // Only used if Syntax == Editions
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Path string
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Package protoreflect.FullName
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Enums Enums
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Messages Messages
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Extensions Extensions
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Services Services
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EditionFeatures FileEditionFeatures
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}
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FileL2 struct {
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Options func() protoreflect.ProtoMessage
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Imports FileImports
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Locations SourceLocations
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}
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FileEditionFeatures struct {
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// IsFieldPresence is true if field_presence is EXPLICIT
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// https://protobuf.dev/editions/features/#field_presence
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IsFieldPresence bool
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// IsOpenEnum is true if enum_type is OPEN
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// https://protobuf.dev/editions/features/#enum_type
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IsOpenEnum bool
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// IsPacked is true if repeated_field_encoding is PACKED
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// https://protobuf.dev/editions/features/#repeated_field_encoding
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IsPacked bool
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// IsUTF8Validated is true if utf_validation is VERIFY
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// https://protobuf.dev/editions/features/#utf8_validation
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IsUTF8Validated bool
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// IsDelimitedEncoded is true if message_encoding is DELIMITED
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// https://protobuf.dev/editions/features/#message_encoding
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IsDelimitedEncoded bool
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// IsJSONCompliant is true if json_format is ALLOW
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// https://protobuf.dev/editions/features/#json_format
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IsJSONCompliant bool
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}
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)
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func (fd *File) ParentFile() protoreflect.FileDescriptor { return fd }
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func (fd *File) Parent() protoreflect.Descriptor { return nil }
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func (fd *File) Index() int { return 0 }
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func (fd *File) Syntax() protoreflect.Syntax { return fd.L1.Syntax }
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func (fd *File) Name() protoreflect.Name { return fd.L1.Package.Name() }
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func (fd *File) FullName() protoreflect.FullName { return fd.L1.Package }
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func (fd *File) IsPlaceholder() bool { return false }
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func (fd *File) Options() protoreflect.ProtoMessage {
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if f := fd.lazyInit().Options; f != nil {
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return f()
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}
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return descopts.File
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}
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func (fd *File) Path() string { return fd.L1.Path }
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func (fd *File) Package() protoreflect.FullName { return fd.L1.Package }
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func (fd *File) Imports() protoreflect.FileImports { return &fd.lazyInit().Imports }
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func (fd *File) Enums() protoreflect.EnumDescriptors { return &fd.L1.Enums }
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func (fd *File) Messages() protoreflect.MessageDescriptors { return &fd.L1.Messages }
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func (fd *File) Extensions() protoreflect.ExtensionDescriptors { return &fd.L1.Extensions }
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func (fd *File) Services() protoreflect.ServiceDescriptors { return &fd.L1.Services }
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func (fd *File) SourceLocations() protoreflect.SourceLocations { return &fd.lazyInit().Locations }
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func (fd *File) Format(s fmt.State, r rune) { descfmt.FormatDesc(s, r, fd) }
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func (fd *File) ProtoType(protoreflect.FileDescriptor) {}
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func (fd *File) ProtoInternal(pragma.DoNotImplement) {}
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func (fd *File) lazyInit() *FileL2 {
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if atomic.LoadUint32(&fd.once) == 0 {
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fd.lazyInitOnce()
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}
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return fd.L2
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}
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func (fd *File) lazyInitOnce() {
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fd.mu.Lock()
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if fd.L2 == nil {
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fd.lazyRawInit() // recursively initializes all L2 structures
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}
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atomic.StoreUint32(&fd.once, 1)
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fd.mu.Unlock()
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}
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// GoPackagePath is a pseudo-internal API for determining the Go package path
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// that this file descriptor is declared in.
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//
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// WARNING: This method is exempt from the compatibility promise and may be
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// removed in the future without warning.
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func (fd *File) GoPackagePath() string {
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return fd.builder.GoPackagePath
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}
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type (
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Enum struct {
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Base
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L1 EnumL1
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L2 *EnumL2 // protected by fileDesc.once
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}
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EnumL1 struct {
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eagerValues bool // controls whether EnumL2.Values is already populated
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}
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EnumL2 struct {
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Options func() protoreflect.ProtoMessage
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Values EnumValues
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ReservedNames Names
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ReservedRanges EnumRanges
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}
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EnumValue struct {
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Base
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L1 EnumValueL1
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}
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EnumValueL1 struct {
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Options func() protoreflect.ProtoMessage
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Number protoreflect.EnumNumber
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}
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)
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func (ed *Enum) Options() protoreflect.ProtoMessage {
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if f := ed.lazyInit().Options; f != nil {
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return f()
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}
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return descopts.Enum
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}
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func (ed *Enum) Values() protoreflect.EnumValueDescriptors {
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if ed.L1.eagerValues {
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return &ed.L2.Values
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}
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return &ed.lazyInit().Values
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}
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func (ed *Enum) ReservedNames() protoreflect.Names { return &ed.lazyInit().ReservedNames }
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func (ed *Enum) ReservedRanges() protoreflect.EnumRanges { return &ed.lazyInit().ReservedRanges }
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func (ed *Enum) Format(s fmt.State, r rune) { descfmt.FormatDesc(s, r, ed) }
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func (ed *Enum) ProtoType(protoreflect.EnumDescriptor) {}
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func (ed *Enum) lazyInit() *EnumL2 {
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ed.L0.ParentFile.lazyInit() // implicitly initializes L2
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return ed.L2
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}
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func (ed *EnumValue) Options() protoreflect.ProtoMessage {
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if f := ed.L1.Options; f != nil {
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return f()
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}
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return descopts.EnumValue
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}
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func (ed *EnumValue) Number() protoreflect.EnumNumber { return ed.L1.Number }
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func (ed *EnumValue) Format(s fmt.State, r rune) { descfmt.FormatDesc(s, r, ed) }
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func (ed *EnumValue) ProtoType(protoreflect.EnumValueDescriptor) {}
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type (
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Message struct {
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Base
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L1 MessageL1
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L2 *MessageL2 // protected by fileDesc.once
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}
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MessageL1 struct {
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Enums Enums
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Messages Messages
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Extensions Extensions
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IsMapEntry bool // promoted from google.protobuf.MessageOptions
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IsMessageSet bool // promoted from google.protobuf.MessageOptions
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}
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MessageL2 struct {
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Options func() protoreflect.ProtoMessage
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Fields Fields
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Oneofs Oneofs
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ReservedNames Names
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ReservedRanges FieldRanges
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RequiredNumbers FieldNumbers // must be consistent with Fields.Cardinality
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ExtensionRanges FieldRanges
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ExtensionRangeOptions []func() protoreflect.ProtoMessage // must be same length as ExtensionRanges
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}
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Field struct {
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Base
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L1 FieldL1
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}
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FieldL1 struct {
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Options func() protoreflect.ProtoMessage
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Number protoreflect.FieldNumber
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Cardinality protoreflect.Cardinality // must be consistent with Message.RequiredNumbers
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Kind protoreflect.Kind
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StringName stringName
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IsProto3Optional bool // promoted from google.protobuf.FieldDescriptorProto
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IsWeak bool // promoted from google.protobuf.FieldOptions
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HasPacked bool // promoted from google.protobuf.FieldOptions
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IsPacked bool // promoted from google.protobuf.FieldOptions
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HasEnforceUTF8 bool // promoted from google.protobuf.FieldOptions
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EnforceUTF8 bool // promoted from google.protobuf.FieldOptions
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Default defaultValue
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ContainingOneof protoreflect.OneofDescriptor // must be consistent with Message.Oneofs.Fields
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Enum protoreflect.EnumDescriptor
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Message protoreflect.MessageDescriptor
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// Edition features.
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Presence bool
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}
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Oneof struct {
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Base
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L1 OneofL1
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}
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OneofL1 struct {
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Options func() protoreflect.ProtoMessage
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Fields OneofFields // must be consistent with Message.Fields.ContainingOneof
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}
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)
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func (md *Message) Options() protoreflect.ProtoMessage {
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if f := md.lazyInit().Options; f != nil {
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return f()
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}
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return descopts.Message
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}
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func (md *Message) IsMapEntry() bool { return md.L1.IsMapEntry }
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func (md *Message) Fields() protoreflect.FieldDescriptors { return &md.lazyInit().Fields }
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func (md *Message) Oneofs() protoreflect.OneofDescriptors { return &md.lazyInit().Oneofs }
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func (md *Message) ReservedNames() protoreflect.Names { return &md.lazyInit().ReservedNames }
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func (md *Message) ReservedRanges() protoreflect.FieldRanges { return &md.lazyInit().ReservedRanges }
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func (md *Message) RequiredNumbers() protoreflect.FieldNumbers { return &md.lazyInit().RequiredNumbers }
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func (md *Message) ExtensionRanges() protoreflect.FieldRanges { return &md.lazyInit().ExtensionRanges }
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func (md *Message) ExtensionRangeOptions(i int) protoreflect.ProtoMessage {
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if f := md.lazyInit().ExtensionRangeOptions[i]; f != nil {
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return f()
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}
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return descopts.ExtensionRange
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}
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func (md *Message) Enums() protoreflect.EnumDescriptors { return &md.L1.Enums }
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func (md *Message) Messages() protoreflect.MessageDescriptors { return &md.L1.Messages }
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func (md *Message) Extensions() protoreflect.ExtensionDescriptors { return &md.L1.Extensions }
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func (md *Message) ProtoType(protoreflect.MessageDescriptor) {}
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func (md *Message) Format(s fmt.State, r rune) { descfmt.FormatDesc(s, r, md) }
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func (md *Message) lazyInit() *MessageL2 {
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md.L0.ParentFile.lazyInit() // implicitly initializes L2
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return md.L2
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}
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// IsMessageSet is a pseudo-internal API for checking whether a message
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// should serialize in the proto1 message format.
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//
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// WARNING: This method is exempt from the compatibility promise and may be
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// removed in the future without warning.
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func (md *Message) IsMessageSet() bool {
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return md.L1.IsMessageSet
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}
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func (fd *Field) Options() protoreflect.ProtoMessage {
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if f := fd.L1.Options; f != nil {
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return f()
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}
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return descopts.Field
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}
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func (fd *Field) Number() protoreflect.FieldNumber { return fd.L1.Number }
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func (fd *Field) Cardinality() protoreflect.Cardinality { return fd.L1.Cardinality }
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func (fd *Field) Kind() protoreflect.Kind { return fd.L1.Kind }
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func (fd *Field) HasJSONName() bool { return fd.L1.StringName.hasJSON }
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func (fd *Field) JSONName() string { return fd.L1.StringName.getJSON(fd) }
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func (fd *Field) TextName() string { return fd.L1.StringName.getText(fd) }
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func (fd *Field) HasPresence() bool {
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if fd.L0.ParentFile.L1.Syntax == protoreflect.Editions {
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return fd.L1.Presence || fd.L1.Message != nil || fd.L1.ContainingOneof != nil
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}
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return fd.L1.Cardinality != protoreflect.Repeated && (fd.L0.ParentFile.L1.Syntax == protoreflect.Proto2 || fd.L1.Message != nil || fd.L1.ContainingOneof != nil)
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}
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func (fd *Field) HasOptionalKeyword() bool {
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return (fd.L0.ParentFile.L1.Syntax == protoreflect.Proto2 && fd.L1.Cardinality == protoreflect.Optional && fd.L1.ContainingOneof == nil) || fd.L1.IsProto3Optional
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}
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func (fd *Field) IsPacked() bool {
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if !fd.L1.HasPacked && fd.L0.ParentFile.L1.Syntax != protoreflect.Proto2 && fd.L1.Cardinality == protoreflect.Repeated {
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switch fd.L1.Kind {
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case protoreflect.StringKind, protoreflect.BytesKind, protoreflect.MessageKind, protoreflect.GroupKind:
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default:
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return true
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}
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}
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return fd.L1.IsPacked
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}
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func (fd *Field) IsExtension() bool { return false }
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func (fd *Field) IsWeak() bool { return fd.L1.IsWeak }
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func (fd *Field) IsList() bool { return fd.Cardinality() == protoreflect.Repeated && !fd.IsMap() }
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func (fd *Field) IsMap() bool { return fd.Message() != nil && fd.Message().IsMapEntry() }
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func (fd *Field) MapKey() protoreflect.FieldDescriptor {
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if !fd.IsMap() {
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return nil
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}
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return fd.Message().Fields().ByNumber(genid.MapEntry_Key_field_number)
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}
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func (fd *Field) MapValue() protoreflect.FieldDescriptor {
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if !fd.IsMap() {
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return nil
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}
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return fd.Message().Fields().ByNumber(genid.MapEntry_Value_field_number)
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}
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func (fd *Field) HasDefault() bool { return fd.L1.Default.has }
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func (fd *Field) Default() protoreflect.Value { return fd.L1.Default.get(fd) }
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func (fd *Field) DefaultEnumValue() protoreflect.EnumValueDescriptor { return fd.L1.Default.enum }
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func (fd *Field) ContainingOneof() protoreflect.OneofDescriptor { return fd.L1.ContainingOneof }
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|
func (fd *Field) ContainingMessage() protoreflect.MessageDescriptor {
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return fd.L0.Parent.(protoreflect.MessageDescriptor)
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}
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|
func (fd *Field) Enum() protoreflect.EnumDescriptor {
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return fd.L1.Enum
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}
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func (fd *Field) Message() protoreflect.MessageDescriptor {
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if fd.L1.IsWeak {
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if d, _ := protoregistry.GlobalFiles.FindDescriptorByName(fd.L1.Message.FullName()); d != nil {
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return d.(protoreflect.MessageDescriptor)
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}
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}
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return fd.L1.Message
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}
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func (fd *Field) Format(s fmt.State, r rune) { descfmt.FormatDesc(s, r, fd) }
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|
func (fd *Field) ProtoType(protoreflect.FieldDescriptor) {}
|
|
|
|
// EnforceUTF8 is a pseudo-internal API to determine whether to enforce UTF-8
|
|
// validation for the string field. This exists for Google-internal use only
|
|
// since proto3 did not enforce UTF-8 validity prior to the open-source release.
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|
// If this method does not exist, the default is to enforce valid UTF-8.
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|
//
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|
// WARNING: This method is exempt from the compatibility promise and may be
|
|
// removed in the future without warning.
|
|
func (fd *Field) EnforceUTF8() bool {
|
|
if fd.L1.HasEnforceUTF8 {
|
|
return fd.L1.EnforceUTF8
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|
}
|
|
return fd.L0.ParentFile.L1.Syntax == protoreflect.Proto3
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|
}
|
|
|
|
func (od *Oneof) IsSynthetic() bool {
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|
return od.L0.ParentFile.L1.Syntax == protoreflect.Proto3 && len(od.L1.Fields.List) == 1 && od.L1.Fields.List[0].HasOptionalKeyword()
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|
}
|
|
func (od *Oneof) Options() protoreflect.ProtoMessage {
|
|
if f := od.L1.Options; f != nil {
|
|
return f()
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|
}
|
|
return descopts.Oneof
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|
}
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|
func (od *Oneof) Fields() protoreflect.FieldDescriptors { return &od.L1.Fields }
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|
func (od *Oneof) Format(s fmt.State, r rune) { descfmt.FormatDesc(s, r, od) }
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|
func (od *Oneof) ProtoType(protoreflect.OneofDescriptor) {}
|
|
|
|
type (
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|
Extension struct {
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|
Base
|
|
L1 ExtensionL1
|
|
L2 *ExtensionL2 // protected by fileDesc.once
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|
}
|
|
ExtensionL1 struct {
|
|
Number protoreflect.FieldNumber
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|
Extendee protoreflect.MessageDescriptor
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|
Cardinality protoreflect.Cardinality
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|
Kind protoreflect.Kind
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|
}
|
|
ExtensionL2 struct {
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|
Options func() protoreflect.ProtoMessage
|
|
StringName stringName
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|
IsProto3Optional bool // promoted from google.protobuf.FieldDescriptorProto
|
|
IsPacked bool // promoted from google.protobuf.FieldOptions
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|
Default defaultValue
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|
Enum protoreflect.EnumDescriptor
|
|
Message protoreflect.MessageDescriptor
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|
}
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|
)
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|
|
|
func (xd *Extension) Options() protoreflect.ProtoMessage {
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|
if f := xd.lazyInit().Options; f != nil {
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|
return f()
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|
}
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|
return descopts.Field
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}
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|
func (xd *Extension) Number() protoreflect.FieldNumber { return xd.L1.Number }
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|
func (xd *Extension) Cardinality() protoreflect.Cardinality { return xd.L1.Cardinality }
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|
func (xd *Extension) Kind() protoreflect.Kind { return xd.L1.Kind }
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|
func (xd *Extension) HasJSONName() bool { return xd.lazyInit().StringName.hasJSON }
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|
func (xd *Extension) JSONName() string { return xd.lazyInit().StringName.getJSON(xd) }
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|
func (xd *Extension) TextName() string { return xd.lazyInit().StringName.getText(xd) }
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|
func (xd *Extension) HasPresence() bool { return xd.L1.Cardinality != protoreflect.Repeated }
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|
func (xd *Extension) HasOptionalKeyword() bool {
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|
return (xd.L0.ParentFile.L1.Syntax == protoreflect.Proto2 && xd.L1.Cardinality == protoreflect.Optional) || xd.lazyInit().IsProto3Optional
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|
}
|
|
func (xd *Extension) IsPacked() bool { return xd.lazyInit().IsPacked }
|
|
func (xd *Extension) IsExtension() bool { return true }
|
|
func (xd *Extension) IsWeak() bool { return false }
|
|
func (xd *Extension) IsList() bool { return xd.Cardinality() == protoreflect.Repeated }
|
|
func (xd *Extension) IsMap() bool { return false }
|
|
func (xd *Extension) MapKey() protoreflect.FieldDescriptor { return nil }
|
|
func (xd *Extension) MapValue() protoreflect.FieldDescriptor { return nil }
|
|
func (xd *Extension) HasDefault() bool { return xd.lazyInit().Default.has }
|
|
func (xd *Extension) Default() protoreflect.Value { return xd.lazyInit().Default.get(xd) }
|
|
func (xd *Extension) DefaultEnumValue() protoreflect.EnumValueDescriptor {
|
|
return xd.lazyInit().Default.enum
|
|
}
|
|
func (xd *Extension) ContainingOneof() protoreflect.OneofDescriptor { return nil }
|
|
func (xd *Extension) ContainingMessage() protoreflect.MessageDescriptor { return xd.L1.Extendee }
|
|
func (xd *Extension) Enum() protoreflect.EnumDescriptor { return xd.lazyInit().Enum }
|
|
func (xd *Extension) Message() protoreflect.MessageDescriptor { return xd.lazyInit().Message }
|
|
func (xd *Extension) Format(s fmt.State, r rune) { descfmt.FormatDesc(s, r, xd) }
|
|
func (xd *Extension) ProtoType(protoreflect.FieldDescriptor) {}
|
|
func (xd *Extension) ProtoInternal(pragma.DoNotImplement) {}
|
|
func (xd *Extension) lazyInit() *ExtensionL2 {
|
|
xd.L0.ParentFile.lazyInit() // implicitly initializes L2
|
|
return xd.L2
|
|
}
|
|
|
|
type (
|
|
Service struct {
|
|
Base
|
|
L1 ServiceL1
|
|
L2 *ServiceL2 // protected by fileDesc.once
|
|
}
|
|
ServiceL1 struct{}
|
|
ServiceL2 struct {
|
|
Options func() protoreflect.ProtoMessage
|
|
Methods Methods
|
|
}
|
|
|
|
Method struct {
|
|
Base
|
|
L1 MethodL1
|
|
}
|
|
MethodL1 struct {
|
|
Options func() protoreflect.ProtoMessage
|
|
Input protoreflect.MessageDescriptor
|
|
Output protoreflect.MessageDescriptor
|
|
IsStreamingClient bool
|
|
IsStreamingServer bool
|
|
}
|
|
)
|
|
|
|
func (sd *Service) Options() protoreflect.ProtoMessage {
|
|
if f := sd.lazyInit().Options; f != nil {
|
|
return f()
|
|
}
|
|
return descopts.Service
|
|
}
|
|
func (sd *Service) Methods() protoreflect.MethodDescriptors { return &sd.lazyInit().Methods }
|
|
func (sd *Service) Format(s fmt.State, r rune) { descfmt.FormatDesc(s, r, sd) }
|
|
func (sd *Service) ProtoType(protoreflect.ServiceDescriptor) {}
|
|
func (sd *Service) ProtoInternal(pragma.DoNotImplement) {}
|
|
func (sd *Service) lazyInit() *ServiceL2 {
|
|
sd.L0.ParentFile.lazyInit() // implicitly initializes L2
|
|
return sd.L2
|
|
}
|
|
|
|
func (md *Method) Options() protoreflect.ProtoMessage {
|
|
if f := md.L1.Options; f != nil {
|
|
return f()
|
|
}
|
|
return descopts.Method
|
|
}
|
|
func (md *Method) Input() protoreflect.MessageDescriptor { return md.L1.Input }
|
|
func (md *Method) Output() protoreflect.MessageDescriptor { return md.L1.Output }
|
|
func (md *Method) IsStreamingClient() bool { return md.L1.IsStreamingClient }
|
|
func (md *Method) IsStreamingServer() bool { return md.L1.IsStreamingServer }
|
|
func (md *Method) Format(s fmt.State, r rune) { descfmt.FormatDesc(s, r, md) }
|
|
func (md *Method) ProtoType(protoreflect.MethodDescriptor) {}
|
|
func (md *Method) ProtoInternal(pragma.DoNotImplement) {}
|
|
|
|
// Surrogate files are can be used to create standalone descriptors
|
|
// where the syntax is only information derived from the parent file.
|
|
var (
|
|
SurrogateProto2 = &File{L1: FileL1{Syntax: protoreflect.Proto2}, L2: &FileL2{}}
|
|
SurrogateProto3 = &File{L1: FileL1{Syntax: protoreflect.Proto3}, L2: &FileL2{}}
|
|
)
|
|
|
|
type (
|
|
Base struct {
|
|
L0 BaseL0
|
|
}
|
|
BaseL0 struct {
|
|
FullName protoreflect.FullName // must be populated
|
|
ParentFile *File // must be populated
|
|
Parent protoreflect.Descriptor
|
|
Index int
|
|
}
|
|
)
|
|
|
|
func (d *Base) Name() protoreflect.Name { return d.L0.FullName.Name() }
|
|
func (d *Base) FullName() protoreflect.FullName { return d.L0.FullName }
|
|
func (d *Base) ParentFile() protoreflect.FileDescriptor {
|
|
if d.L0.ParentFile == SurrogateProto2 || d.L0.ParentFile == SurrogateProto3 {
|
|
return nil // surrogate files are not real parents
|
|
}
|
|
return d.L0.ParentFile
|
|
}
|
|
func (d *Base) Parent() protoreflect.Descriptor { return d.L0.Parent }
|
|
func (d *Base) Index() int { return d.L0.Index }
|
|
func (d *Base) Syntax() protoreflect.Syntax { return d.L0.ParentFile.Syntax() }
|
|
func (d *Base) IsPlaceholder() bool { return false }
|
|
func (d *Base) ProtoInternal(pragma.DoNotImplement) {}
|
|
|
|
type stringName struct {
|
|
hasJSON bool
|
|
once sync.Once
|
|
nameJSON string
|
|
nameText string
|
|
}
|
|
|
|
// InitJSON initializes the name. It is exported for use by other internal packages.
|
|
func (s *stringName) InitJSON(name string) {
|
|
s.hasJSON = true
|
|
s.nameJSON = name
|
|
}
|
|
|
|
func (s *stringName) lazyInit(fd protoreflect.FieldDescriptor) *stringName {
|
|
s.once.Do(func() {
|
|
if fd.IsExtension() {
|
|
// For extensions, JSON and text are formatted the same way.
|
|
var name string
|
|
if messageset.IsMessageSetExtension(fd) {
|
|
name = string("[" + fd.FullName().Parent() + "]")
|
|
} else {
|
|
name = string("[" + fd.FullName() + "]")
|
|
}
|
|
s.nameJSON = name
|
|
s.nameText = name
|
|
} else {
|
|
// Format the JSON name.
|
|
if !s.hasJSON {
|
|
s.nameJSON = strs.JSONCamelCase(string(fd.Name()))
|
|
}
|
|
|
|
// Format the text name.
|
|
s.nameText = string(fd.Name())
|
|
if fd.Kind() == protoreflect.GroupKind {
|
|
s.nameText = string(fd.Message().Name())
|
|
}
|
|
}
|
|
})
|
|
return s
|
|
}
|
|
|
|
func (s *stringName) getJSON(fd protoreflect.FieldDescriptor) string { return s.lazyInit(fd).nameJSON }
|
|
func (s *stringName) getText(fd protoreflect.FieldDescriptor) string { return s.lazyInit(fd).nameText }
|
|
|
|
func DefaultValue(v protoreflect.Value, ev protoreflect.EnumValueDescriptor) defaultValue {
|
|
dv := defaultValue{has: v.IsValid(), val: v, enum: ev}
|
|
if b, ok := v.Interface().([]byte); ok {
|
|
// Store a copy of the default bytes, so that we can detect
|
|
// accidental mutations of the original value.
|
|
dv.bytes = append([]byte(nil), b...)
|
|
}
|
|
return dv
|
|
}
|
|
|
|
func unmarshalDefault(b []byte, k protoreflect.Kind, pf *File, ed protoreflect.EnumDescriptor) defaultValue {
|
|
var evs protoreflect.EnumValueDescriptors
|
|
if k == protoreflect.EnumKind {
|
|
// If the enum is declared within the same file, be careful not to
|
|
// blindly call the Values method, lest we bind ourselves in a deadlock.
|
|
if e, ok := ed.(*Enum); ok && e.L0.ParentFile == pf {
|
|
evs = &e.L2.Values
|
|
} else {
|
|
evs = ed.Values()
|
|
}
|
|
|
|
// If we are unable to resolve the enum dependency, use a placeholder
|
|
// enum value since we will not be able to parse the default value.
|
|
if ed.IsPlaceholder() && protoreflect.Name(b).IsValid() {
|
|
v := protoreflect.ValueOfEnum(0)
|
|
ev := PlaceholderEnumValue(ed.FullName().Parent().Append(protoreflect.Name(b)))
|
|
return DefaultValue(v, ev)
|
|
}
|
|
}
|
|
|
|
v, ev, err := defval.Unmarshal(string(b), k, evs, defval.Descriptor)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return DefaultValue(v, ev)
|
|
}
|
|
|
|
type defaultValue struct {
|
|
has bool
|
|
val protoreflect.Value
|
|
enum protoreflect.EnumValueDescriptor
|
|
bytes []byte
|
|
}
|
|
|
|
func (dv *defaultValue) get(fd protoreflect.FieldDescriptor) protoreflect.Value {
|
|
// Return the zero value as the default if unpopulated.
|
|
if !dv.has {
|
|
if fd.Cardinality() == protoreflect.Repeated {
|
|
return protoreflect.Value{}
|
|
}
|
|
switch fd.Kind() {
|
|
case protoreflect.BoolKind:
|
|
return protoreflect.ValueOfBool(false)
|
|
case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind:
|
|
return protoreflect.ValueOfInt32(0)
|
|
case protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind:
|
|
return protoreflect.ValueOfInt64(0)
|
|
case protoreflect.Uint32Kind, protoreflect.Fixed32Kind:
|
|
return protoreflect.ValueOfUint32(0)
|
|
case protoreflect.Uint64Kind, protoreflect.Fixed64Kind:
|
|
return protoreflect.ValueOfUint64(0)
|
|
case protoreflect.FloatKind:
|
|
return protoreflect.ValueOfFloat32(0)
|
|
case protoreflect.DoubleKind:
|
|
return protoreflect.ValueOfFloat64(0)
|
|
case protoreflect.StringKind:
|
|
return protoreflect.ValueOfString("")
|
|
case protoreflect.BytesKind:
|
|
return protoreflect.ValueOfBytes(nil)
|
|
case protoreflect.EnumKind:
|
|
if evs := fd.Enum().Values(); evs.Len() > 0 {
|
|
return protoreflect.ValueOfEnum(evs.Get(0).Number())
|
|
}
|
|
return protoreflect.ValueOfEnum(0)
|
|
}
|
|
}
|
|
|
|
if len(dv.bytes) > 0 && !bytes.Equal(dv.bytes, dv.val.Bytes()) {
|
|
// TODO: Avoid panic if we're running with the race detector
|
|
// and instead spawn a goroutine that periodically resets
|
|
// this value back to the original to induce a race.
|
|
panic(fmt.Sprintf("detected mutation on the default bytes for %v", fd.FullName()))
|
|
}
|
|
return dv.val
|
|
}
|