diff options
Diffstat (limited to 'vendor/google.golang.org/protobuf/internal/filedesc/desc.go')
-rw-r--r-- | vendor/google.golang.org/protobuf/internal/filedesc/desc.go | 755 |
1 files changed, 0 insertions, 755 deletions
diff --git a/vendor/google.golang.org/protobuf/internal/filedesc/desc.go b/vendor/google.golang.org/protobuf/internal/filedesc/desc.go deleted file mode 100644 index 378b826fa..000000000 --- a/vendor/google.golang.org/protobuf/internal/filedesc/desc.go +++ /dev/null @@ -1,755 +0,0 @@ -// 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 filedesc - -import ( - "bytes" - "fmt" - "strings" - "sync" - "sync/atomic" - - "google.golang.org/protobuf/internal/descfmt" - "google.golang.org/protobuf/internal/descopts" - "google.golang.org/protobuf/internal/encoding/defval" - "google.golang.org/protobuf/internal/encoding/messageset" - "google.golang.org/protobuf/internal/genid" - "google.golang.org/protobuf/internal/pragma" - "google.golang.org/protobuf/internal/strs" - "google.golang.org/protobuf/reflect/protoreflect" - "google.golang.org/protobuf/reflect/protoregistry" -) - -// Edition is an Enum for proto2.Edition -type Edition int32 - -// These values align with the value of Enum in descriptor.proto which allows -// direct conversion between the proto enum and this enum. -const ( - EditionUnknown Edition = 0 - EditionProto2 Edition = 998 - EditionProto3 Edition = 999 - Edition2023 Edition = 1000 - Edition2024 Edition = 1001 - EditionUnsupported Edition = 100000 -) - -// The types in this file may have a suffix: -// • L0: Contains fields common to all descriptors (except File) and -// must be initialized up front. -// • L1: Contains fields specific to a descriptor and -// must be initialized up front. If the associated proto uses Editions, the -// Editions features must always be resolved. If not explicitly set, the -// appropriate default must be resolved and set. -// • L2: Contains fields that are lazily initialized when constructing -// from the raw file descriptor. When constructing as a literal, the L2 -// fields must be initialized up front. -// -// The types are exported so that packages like reflect/protodesc can -// directly construct descriptors. - -type ( - File struct { - fileRaw - L1 FileL1 - - once uint32 // atomically set if L2 is valid - mu sync.Mutex // protects L2 - L2 *FileL2 - } - FileL1 struct { - Syntax protoreflect.Syntax - Edition Edition // Only used if Syntax == Editions - Path string - Package protoreflect.FullName - - Enums Enums - Messages Messages - Extensions Extensions - Services Services - - EditionFeatures EditionFeatures - } - FileL2 struct { - Options func() protoreflect.ProtoMessage - Imports FileImports - Locations SourceLocations - } - - // EditionFeatures is a frequently-instantiated struct, so please take care - // to minimize padding when adding new fields to this struct (add them in - // the right place/order). - EditionFeatures struct { - // StripEnumPrefix determines if the plugin generates enum value - // constants as-is, with their prefix stripped, or both variants. - StripEnumPrefix int - - // IsFieldPresence is true if field_presence is EXPLICIT - // https://protobuf.dev/editions/features/#field_presence - IsFieldPresence bool - - // IsFieldPresence is true if field_presence is LEGACY_REQUIRED - // https://protobuf.dev/editions/features/#field_presence - IsLegacyRequired bool - - // IsOpenEnum is true if enum_type is OPEN - // https://protobuf.dev/editions/features/#enum_type - IsOpenEnum bool - - // IsPacked is true if repeated_field_encoding is PACKED - // https://protobuf.dev/editions/features/#repeated_field_encoding - IsPacked bool - - // IsUTF8Validated is true if utf_validation is VERIFY - // https://protobuf.dev/editions/features/#utf8_validation - IsUTF8Validated bool - - // IsDelimitedEncoded is true if message_encoding is DELIMITED - // https://protobuf.dev/editions/features/#message_encoding - IsDelimitedEncoded bool - - // IsJSONCompliant is true if json_format is ALLOW - // https://protobuf.dev/editions/features/#json_format - IsJSONCompliant bool - - // GenerateLegacyUnmarshalJSON determines if the plugin generates the - // UnmarshalJSON([]byte) error method for enums. - GenerateLegacyUnmarshalJSON bool - // APILevel controls which API (Open, Hybrid or Opaque) should be used - // for generated code (.pb.go files). - APILevel int - } -) - -func (fd *File) ParentFile() protoreflect.FileDescriptor { return fd } -func (fd *File) Parent() protoreflect.Descriptor { return nil } -func (fd *File) Index() int { return 0 } -func (fd *File) Syntax() protoreflect.Syntax { return fd.L1.Syntax } - -// Not exported and just used to reconstruct the original FileDescriptor proto -func (fd *File) Edition() int32 { return int32(fd.L1.Edition) } -func (fd *File) Name() protoreflect.Name { return fd.L1.Package.Name() } -func (fd *File) FullName() protoreflect.FullName { return fd.L1.Package } -func (fd *File) IsPlaceholder() bool { return false } -func (fd *File) Options() protoreflect.ProtoMessage { - if f := fd.lazyInit().Options; f != nil { - return f() - } - return descopts.File -} -func (fd *File) Path() string { return fd.L1.Path } -func (fd *File) Package() protoreflect.FullName { return fd.L1.Package } -func (fd *File) Imports() protoreflect.FileImports { return &fd.lazyInit().Imports } -func (fd *File) Enums() protoreflect.EnumDescriptors { return &fd.L1.Enums } -func (fd *File) Messages() protoreflect.MessageDescriptors { return &fd.L1.Messages } -func (fd *File) Extensions() protoreflect.ExtensionDescriptors { return &fd.L1.Extensions } -func (fd *File) Services() protoreflect.ServiceDescriptors { return &fd.L1.Services } -func (fd *File) SourceLocations() protoreflect.SourceLocations { return &fd.lazyInit().Locations } -func (fd *File) Format(s fmt.State, r rune) { descfmt.FormatDesc(s, r, fd) } -func (fd *File) ProtoType(protoreflect.FileDescriptor) {} -func (fd *File) ProtoInternal(pragma.DoNotImplement) {} - -func (fd *File) lazyInit() *FileL2 { - if atomic.LoadUint32(&fd.once) == 0 { - fd.lazyInitOnce() - } - return fd.L2 -} - -func (fd *File) lazyInitOnce() { - fd.mu.Lock() - if fd.L2 == nil { - fd.lazyRawInit() // recursively initializes all L2 structures - } - atomic.StoreUint32(&fd.once, 1) - fd.mu.Unlock() -} - -// GoPackagePath is a pseudo-internal API for determining the Go package path -// that this file descriptor is declared in. -// -// WARNING: This method is exempt from the compatibility promise and may be -// removed in the future without warning. -func (fd *File) GoPackagePath() string { - return fd.builder.GoPackagePath -} - -type ( - Enum struct { - Base - L1 EnumL1 - L2 *EnumL2 // protected by fileDesc.once - } - EnumL1 struct { - eagerValues bool // controls whether EnumL2.Values is already populated - - EditionFeatures EditionFeatures - } - EnumL2 struct { - Options func() protoreflect.ProtoMessage - Values EnumValues - ReservedNames Names - ReservedRanges EnumRanges - } - - EnumValue struct { - Base - L1 EnumValueL1 - } - EnumValueL1 struct { - Options func() protoreflect.ProtoMessage - Number protoreflect.EnumNumber - } -) - -func (ed *Enum) Options() protoreflect.ProtoMessage { - if f := ed.lazyInit().Options; f != nil { - return f() - } - return descopts.Enum -} -func (ed *Enum) Values() protoreflect.EnumValueDescriptors { - if ed.L1.eagerValues { - return &ed.L2.Values - } - return &ed.lazyInit().Values -} -func (ed *Enum) ReservedNames() protoreflect.Names { return &ed.lazyInit().ReservedNames } -func (ed *Enum) ReservedRanges() protoreflect.EnumRanges { return &ed.lazyInit().ReservedRanges } -func (ed *Enum) Format(s fmt.State, r rune) { descfmt.FormatDesc(s, r, ed) } -func (ed *Enum) ProtoType(protoreflect.EnumDescriptor) {} -func (ed *Enum) lazyInit() *EnumL2 { - ed.L0.ParentFile.lazyInit() // implicitly initializes L2 - return ed.L2 -} -func (ed *Enum) IsClosed() bool { - return !ed.L1.EditionFeatures.IsOpenEnum -} - -func (ed *EnumValue) Options() protoreflect.ProtoMessage { - if f := ed.L1.Options; f != nil { - return f() - } - return descopts.EnumValue -} -func (ed *EnumValue) Number() protoreflect.EnumNumber { return ed.L1.Number } -func (ed *EnumValue) Format(s fmt.State, r rune) { descfmt.FormatDesc(s, r, ed) } -func (ed *EnumValue) ProtoType(protoreflect.EnumValueDescriptor) {} - -type ( - Message struct { - Base - L1 MessageL1 - L2 *MessageL2 // protected by fileDesc.once - } - MessageL1 struct { - Enums Enums - Messages Messages - Extensions Extensions - IsMapEntry bool // promoted from google.protobuf.MessageOptions - IsMessageSet bool // promoted from google.protobuf.MessageOptions - - EditionFeatures EditionFeatures - } - MessageL2 struct { - Options func() protoreflect.ProtoMessage - Fields Fields - Oneofs Oneofs - ReservedNames Names - ReservedRanges FieldRanges - RequiredNumbers FieldNumbers // must be consistent with Fields.Cardinality - ExtensionRanges FieldRanges - ExtensionRangeOptions []func() protoreflect.ProtoMessage // must be same length as ExtensionRanges - } - - Field struct { - Base - L1 FieldL1 - } - FieldL1 struct { - Options func() protoreflect.ProtoMessage - Number protoreflect.FieldNumber - Cardinality protoreflect.Cardinality // must be consistent with Message.RequiredNumbers - Kind protoreflect.Kind - StringName stringName - IsProto3Optional bool // promoted from google.protobuf.FieldDescriptorProto - IsWeak bool // promoted from google.protobuf.FieldOptions - IsLazy bool // promoted from google.protobuf.FieldOptions - Default defaultValue - ContainingOneof protoreflect.OneofDescriptor // must be consistent with Message.Oneofs.Fields - Enum protoreflect.EnumDescriptor - Message protoreflect.MessageDescriptor - - EditionFeatures EditionFeatures - } - - Oneof struct { - Base - L1 OneofL1 - } - OneofL1 struct { - Options func() protoreflect.ProtoMessage - Fields OneofFields // must be consistent with Message.Fields.ContainingOneof - - EditionFeatures EditionFeatures - } -) - -func (md *Message) Options() protoreflect.ProtoMessage { - if f := md.lazyInit().Options; f != nil { - return f() - } - return descopts.Message -} -func (md *Message) IsMapEntry() bool { return md.L1.IsMapEntry } -func (md *Message) Fields() protoreflect.FieldDescriptors { return &md.lazyInit().Fields } -func (md *Message) Oneofs() protoreflect.OneofDescriptors { return &md.lazyInit().Oneofs } -func (md *Message) ReservedNames() protoreflect.Names { return &md.lazyInit().ReservedNames } -func (md *Message) ReservedRanges() protoreflect.FieldRanges { return &md.lazyInit().ReservedRanges } -func (md *Message) RequiredNumbers() protoreflect.FieldNumbers { return &md.lazyInit().RequiredNumbers } -func (md *Message) ExtensionRanges() protoreflect.FieldRanges { return &md.lazyInit().ExtensionRanges } -func (md *Message) ExtensionRangeOptions(i int) protoreflect.ProtoMessage { - if f := md.lazyInit().ExtensionRangeOptions[i]; f != nil { - return f() - } - return descopts.ExtensionRange -} -func (md *Message) Enums() protoreflect.EnumDescriptors { return &md.L1.Enums } -func (md *Message) Messages() protoreflect.MessageDescriptors { return &md.L1.Messages } -func (md *Message) Extensions() protoreflect.ExtensionDescriptors { return &md.L1.Extensions } -func (md *Message) ProtoType(protoreflect.MessageDescriptor) {} -func (md *Message) Format(s fmt.State, r rune) { descfmt.FormatDesc(s, r, md) } -func (md *Message) lazyInit() *MessageL2 { - md.L0.ParentFile.lazyInit() // implicitly initializes L2 - return md.L2 -} - -// IsMessageSet is a pseudo-internal API for checking whether a message -// should serialize in the proto1 message format. -// -// WARNING: This method is exempt from the compatibility promise and may be -// removed in the future without warning. -func (md *Message) IsMessageSet() bool { - return md.L1.IsMessageSet -} - -func (fd *Field) Options() protoreflect.ProtoMessage { - if f := fd.L1.Options; f != nil { - return f() - } - return descopts.Field -} -func (fd *Field) Number() protoreflect.FieldNumber { return fd.L1.Number } -func (fd *Field) Cardinality() protoreflect.Cardinality { return fd.L1.Cardinality } -func (fd *Field) Kind() protoreflect.Kind { - return fd.L1.Kind -} -func (fd *Field) HasJSONName() bool { return fd.L1.StringName.hasJSON } -func (fd *Field) JSONName() string { return fd.L1.StringName.getJSON(fd) } -func (fd *Field) TextName() string { return fd.L1.StringName.getText(fd) } -func (fd *Field) HasPresence() bool { - if fd.L1.Cardinality == protoreflect.Repeated { - return false - } - return fd.IsExtension() || fd.L1.EditionFeatures.IsFieldPresence || fd.L1.Message != nil || fd.L1.ContainingOneof != nil -} -func (fd *Field) HasOptionalKeyword() bool { - return (fd.L0.ParentFile.L1.Syntax == protoreflect.Proto2 && fd.L1.Cardinality == protoreflect.Optional && fd.L1.ContainingOneof == nil) || fd.L1.IsProto3Optional -} -func (fd *Field) IsPacked() bool { - if fd.L1.Cardinality != protoreflect.Repeated { - return false - } - switch fd.L1.Kind { - case protoreflect.StringKind, protoreflect.BytesKind, protoreflect.MessageKind, protoreflect.GroupKind: - return false - } - return fd.L1.EditionFeatures.IsPacked -} -func (fd *Field) IsExtension() bool { return false } -func (fd *Field) IsWeak() bool { return fd.L1.IsWeak } -func (fd *Field) IsLazy() bool { return fd.L1.IsLazy } -func (fd *Field) IsList() bool { return fd.Cardinality() == protoreflect.Repeated && !fd.IsMap() } -func (fd *Field) IsMap() bool { return fd.Message() != nil && fd.Message().IsMapEntry() } -func (fd *Field) MapKey() protoreflect.FieldDescriptor { - if !fd.IsMap() { - return nil - } - return fd.Message().Fields().ByNumber(genid.MapEntry_Key_field_number) -} -func (fd *Field) MapValue() protoreflect.FieldDescriptor { - if !fd.IsMap() { - return nil - } - return fd.Message().Fields().ByNumber(genid.MapEntry_Value_field_number) -} -func (fd *Field) HasDefault() bool { return fd.L1.Default.has } -func (fd *Field) Default() protoreflect.Value { return fd.L1.Default.get(fd) } -func (fd *Field) DefaultEnumValue() protoreflect.EnumValueDescriptor { return fd.L1.Default.enum } -func (fd *Field) ContainingOneof() protoreflect.OneofDescriptor { return fd.L1.ContainingOneof } -func (fd *Field) ContainingMessage() protoreflect.MessageDescriptor { - return fd.L0.Parent.(protoreflect.MessageDescriptor) -} -func (fd *Field) Enum() protoreflect.EnumDescriptor { - return fd.L1.Enum -} -func (fd *Field) Message() protoreflect.MessageDescriptor { - if fd.L1.IsWeak { - if d, _ := protoregistry.GlobalFiles.FindDescriptorByName(fd.L1.Message.FullName()); d != nil { - return d.(protoreflect.MessageDescriptor) - } - } - return fd.L1.Message -} -func (fd *Field) IsMapEntry() bool { - parent, ok := fd.L0.Parent.(protoreflect.MessageDescriptor) - return ok && parent.IsMapEntry() -} -func (fd *Field) Format(s fmt.State, r rune) { descfmt.FormatDesc(s, r, fd) } -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. -// If this method does not exist, the default is to enforce valid UTF-8. -// -// WARNING: This method is exempt from the compatibility promise and may be -// removed in the future without warning. -func (fd *Field) EnforceUTF8() bool { - return fd.L1.EditionFeatures.IsUTF8Validated -} - -func (od *Oneof) IsSynthetic() bool { - return od.L0.ParentFile.L1.Syntax == protoreflect.Proto3 && len(od.L1.Fields.List) == 1 && od.L1.Fields.List[0].HasOptionalKeyword() -} -func (od *Oneof) Options() protoreflect.ProtoMessage { - if f := od.L1.Options; f != nil { - return f() - } - return descopts.Oneof -} -func (od *Oneof) Fields() protoreflect.FieldDescriptors { return &od.L1.Fields } -func (od *Oneof) Format(s fmt.State, r rune) { descfmt.FormatDesc(s, r, od) } -func (od *Oneof) ProtoType(protoreflect.OneofDescriptor) {} - -type ( - Extension struct { - Base - L1 ExtensionL1 - L2 *ExtensionL2 // protected by fileDesc.once - } - ExtensionL1 struct { - Number protoreflect.FieldNumber - Extendee protoreflect.MessageDescriptor - Cardinality protoreflect.Cardinality - Kind protoreflect.Kind - IsLazy bool - EditionFeatures EditionFeatures - } - ExtensionL2 struct { - Options func() protoreflect.ProtoMessage - StringName stringName - IsProto3Optional bool // promoted from google.protobuf.FieldDescriptorProto - Default defaultValue - Enum protoreflect.EnumDescriptor - Message protoreflect.MessageDescriptor - } -) - -func (xd *Extension) Options() protoreflect.ProtoMessage { - if f := xd.lazyInit().Options; f != nil { - return f() - } - return descopts.Field -} -func (xd *Extension) Number() protoreflect.FieldNumber { return xd.L1.Number } -func (xd *Extension) Cardinality() protoreflect.Cardinality { return xd.L1.Cardinality } -func (xd *Extension) Kind() protoreflect.Kind { return xd.L1.Kind } -func (xd *Extension) HasJSONName() bool { return xd.lazyInit().StringName.hasJSON } -func (xd *Extension) JSONName() string { return xd.lazyInit().StringName.getJSON(xd) } -func (xd *Extension) TextName() string { return xd.lazyInit().StringName.getText(xd) } -func (xd *Extension) HasPresence() bool { return xd.L1.Cardinality != protoreflect.Repeated } -func (xd *Extension) HasOptionalKeyword() bool { - return (xd.L0.ParentFile.L1.Syntax == protoreflect.Proto2 && xd.L1.Cardinality == protoreflect.Optional) || xd.lazyInit().IsProto3Optional -} -func (xd *Extension) IsPacked() bool { - if xd.L1.Cardinality != protoreflect.Repeated { - return false - } - switch xd.L1.Kind { - case protoreflect.StringKind, protoreflect.BytesKind, protoreflect.MessageKind, protoreflect.GroupKind: - return false - } - return xd.L1.EditionFeatures.IsPacked -} -func (xd *Extension) IsExtension() bool { return true } -func (xd *Extension) IsWeak() bool { return false } -func (xd *Extension) IsLazy() bool { return xd.L1.IsLazy } -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{}} - SurrogateEdition2023 = &File{L1: FileL1{Syntax: protoreflect.Editions, Edition: Edition2023}, 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 -} - -// Returns true if this field is structured like the synthetic field of a proto2 -// group. This allows us to expand our treatment of delimited fields without -// breaking proto2 files that have been upgraded to editions. -func isGroupLike(fd protoreflect.FieldDescriptor) bool { - // Groups are always group types. - if fd.Kind() != protoreflect.GroupKind { - return false - } - - // Group fields are always the lowercase type name. - if strings.ToLower(string(fd.Message().Name())) != string(fd.Name()) { - return false - } - - // Groups could only be defined in the same file they're used. - if fd.Message().ParentFile() != fd.ParentFile() { - return false - } - - // Group messages are always defined in the same scope as the field. File - // level extensions will compare NULL == NULL here, which is why the file - // comparison above is necessary to ensure both come from the same file. - if fd.IsExtension() { - return fd.Parent() == fd.Message().Parent() - } - return fd.ContainingMessage() == fd.Message().Parent() -} - -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 isGroupLike(fd) { - 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 -} |