protosrc

package
v0.13.0 Latest Latest
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 Go to latest Published: May 17, 2020 License: Apache-2.0 Imports: 12 Imported by: 0

Documentation

Overview

Package protosrc defines minimal interfaces for Protobuf descriptor types.

This is done so that the backing package can be swapped out easily.

All values that return SourceLocation can be nil.

Testing is currently implicitly done through the bufcheck packages, however if this were to be split out into a separate library, it would need a separate testing suite

Index

Constants

View Source 
const (
	// FieldDescriptorProtoTypeDouble is an alias.
	FieldDescriptorProtoTypeDouble FieldDescriptorProtoType = 1
	// FieldDescriptorProtoTypeFloat is an alias.
	FieldDescriptorProtoTypeFloat FieldDescriptorProtoType = 2
	// FieldDescriptorProtoTypeInt64 is an alias.
	FieldDescriptorProtoTypeInt64 FieldDescriptorProtoType = 3
	// FieldDescriptorProtoTypeUint64 is an alias.
	FieldDescriptorProtoTypeUint64 FieldDescriptorProtoType = 4
	// FieldDescriptorProtoTypeInt32 is an alias.
	FieldDescriptorProtoTypeInt32 FieldDescriptorProtoType = 5
	// FieldDescriptorProtoTypeFixed64 is an alias.
	FieldDescriptorProtoTypeFixed64 FieldDescriptorProtoType = 6
	// FieldDescriptorProtoTypeFixed32 is an alias.
	FieldDescriptorProtoTypeFixed32 FieldDescriptorProtoType = 7
	// FieldDescriptorProtoTypeBool is an alias.
	FieldDescriptorProtoTypeBool FieldDescriptorProtoType = 8
	// FieldDescriptorProtoTypeString is an alias.
	FieldDescriptorProtoTypeString FieldDescriptorProtoType = 9
	// FieldDescriptorProtoTypeGroup is an alias.
	FieldDescriptorProtoTypeGroup FieldDescriptorProtoType = 10
	// FieldDescriptorProtoTypeMessage is an alias.
	FieldDescriptorProtoTypeMessage FieldDescriptorProtoType = 11
	// FieldDescriptorProtoTypeBytes is an alias.
	FieldDescriptorProtoTypeBytes FieldDescriptorProtoType = 12
	// FieldDescriptorProtoTypeUint32 is an alias.
	FieldDescriptorProtoTypeUint32 FieldDescriptorProtoType = 13
	// FieldDescriptorProtoTypeEnum is an alias.
	FieldDescriptorProtoTypeEnum FieldDescriptorProtoType = 14
	// FieldDescriptorProtoTypeSfixed32 is an alias.
	FieldDescriptorProtoTypeSfixed32 FieldDescriptorProtoType = 15
	// FieldDescriptorProtoTypeSfixed64 is an alias.
	FieldDescriptorProtoTypeSfixed64 FieldDescriptorProtoType = 16
	// FieldDescriptorProtoTypeSint32 is an alias.
	FieldDescriptorProtoTypeSint32 FieldDescriptorProtoType = 17
	// FieldDescriptorProtoTypeSint64 is an alias.
	FieldDescriptorProtoTypeSint64 FieldDescriptorProtoType = 18

	// FieldDescriptorProtoLabelOptional is an alias.
	FieldDescriptorProtoLabelOptional FieldDescriptorProtoLabel = 1
	// FieldDescriptorProtoLabelRequired is an alias.
	FieldDescriptorProtoLabelRequired FieldDescriptorProtoLabel = 2
	// FieldDescriptorProtoLabelRepeated is an alias.
	FieldDescriptorProtoLabelRepeated FieldDescriptorProtoLabel = 3

	// FieldOptionsCTypeString is an alias.
	FieldOptionsCTypeString FieldOptionsCType = 0
	// FieldOptionsCTypeCord is an alias.
	FieldOptionsCTypeCord FieldOptionsCType = 1
	// FieldOptionsCTypeStringPiece is an alias.
	FieldOptionsCTypeStringPiece FieldOptionsCType = 2

	// FieldOptionsJSTypeJSNormal is an alias.
	FieldOptionsJSTypeJSNormal FieldOptionsJSType = 0
	// FieldOptionsJSTypeJSString is an alias.
	FieldOptionsJSTypeJSString FieldOptionsJSType = 1
	// FieldOptionsJSTypeJSNumber is an alias.
	FieldOptionsJSTypeJSNumber FieldOptionsJSType = 2

	// FileOptionsOptimizeModeSpeed is an alias.
	FileOptionsOptimizeModeSpeed FileOptionsOptimizeMode = 1
	// FileOptionsOptimizeModeCodeSize is an alias.
	FileOptionsOptimizeModeCodeSize FileOptionsOptimizeMode = 2
	// FileOptionsOptimizeModeLiteRuntime is an alias.
	FileOptionsOptimizeModeLiteRuntime FileOptionsOptimizeMode = 3

	// MethodOptionsIdempotencyLevelIdempotencyUnknown is an alias.
	MethodOptionsIdempotencyLevelIdempotencyUnknown = 0
	// MethodOptionsIdempotencyLevelNoSideEffects is an alias.
	MethodOptionsIdempotencyLevelNoSideEffects = 1
	// MethodOptionsIdempotencyLevelIdempotent is an alias.
	MethodOptionsIdempotencyLevelIdempotent = 2
)

Variables

This section is empty.

Functions

func DirPathToFiles 

func DirPathToFiles(files ...File) (map[string][]File, error)

DirPathToFiles maps the Files to a map from directory to the slice of Files in that directory.

Returns error if file paths are not unique. Directories are normalized.

Files will be sorted by FilePath.

func ExtensionRangeString 

func ExtensionRangeString(extensionRange ExtensionRange) string

ExtensionRangeString returns the string representation of the extension range.

func FilePathToFile 

func FilePathToFile(files ...File) (map[string]File, error)

FilePathToFile maps the Files to a map from FilePath() to File.

Returns error if file paths are not unique.

func ForEachEnum 

func ForEachEnum(f func(Enum) error, containerDescriptor ContainerDescriptor) error

ForEachEnum calls f on each Enum in the given ContainerDescriptor, including nested Enums.

Returns error and stops iterating if f returns error Never returns error unless f returns error.

func ForEachMessage 

func ForEachMessage(f func(Message) error, containerDescriptor ContainerDescriptor) error

ForEachMessage calls f on each Message in the given ContainerDescriptor, including nested Messages.

Returns error and stops iterating if f returns error Never returns error unless f returns error.

func FullNameToEnum 

func FullNameToEnum(files ...File) (map[string]Enum, error)

FullNameToEnum maps the Enums in the Files to a map from full name to enum.

Returns error if the Enums do not have unique full names within the Files, which should generally never happen for properly-formed Files.

func FullNameToMessage 

func FullNameToMessage(files ...File) (map[string]Message, error)

FullNameToMessage maps the Messages in the Files to a map from full name to message.

Returns error if the Messages do not have unique full names within the Files, which should generally never happen for properly-formed Files.

func FullNameToMethod 

func FullNameToMethod(files ...File) (map[string]Method, error)

FullNameToMethod maps the Methods in the Files to a map from full name to Method.

Returns error if Methods do not have unique full names within the Files, which should generally never happen for properly-formed Files.

func FullNameToService 

func FullNameToService(files ...File) (map[string]Service, error)

FullNameToService maps the Services in the Files to a map from full name to Service.

Returns error if Services do not have unique full names within the Files, which should generally never happen for properly-formed Files.

func NameInReservedNames 

func NameInReservedNames(name string, reservedNames ...ReservedName) bool

NameInReservedNames returns true if the name is in one of the ReservedNames.

func NameToEnumValue 

func NameToEnumValue(enum Enum) (map[string]EnumValue, error)

NameToEnumValue maps the EnumValues in the Enum to a map from name to EnumValue.

Returns error if the EnumValues do not have unique names within the Enum, which should generally never happen for properly-formed Enums.

func NameToMessageOneof 

func NameToMessageOneof(message Message) (map[string]Oneof, error)

NameToMessageOneof maps the Oneofs in the Message to a map from name to Oneof.

Returns error if the Oneofs do not have unique names within the Message, which should generally never happen for properly-formed Messages.

func NameToMethod 

func NameToMethod(service Service) (map[string]Method, error)

NameToMethod maps the Methods in the Service to a map from name to Method.

Returns error if Methods do not have unique names within the Service, which should generally never happen for properly-formed Services.

func NameToService 

func NameToService(file File) (map[string]Service, error)

NameToService maps the Services in the File to a map from name to Service.

Returns error if Services do not have unique names within the File, which should generally never happen for properly-formed Files.

func NestedNameToEnum 

func NestedNameToEnum(containerDescriptor ContainerDescriptor) (map[string]Enum, error)

NestedNameToEnum maps the Enums in the ContainerDescriptor to a map from nested name to Enum.

Returns error if Enums do not have unique nested names within the ContainerDescriptor, which should generally never happen for properly-formed ContainerDescriptors.

func NestedNameToMessage 

func NestedNameToMessage(containerDescriptor ContainerDescriptor) (map[string]Message, error)

NestedNameToMessage maps the Messages in the ContainerDescriptor to a map from nested name to Message.

Returns error if Messages do not have unique nested names within the ContainerDescriptor, which should generally never happen for properly-formed files.

func NumberInReservedRanges 

func NumberInReservedRanges(number int, reservedRanges ...ReservedRange) bool

NumberInReservedRanges returns true if the number is in one of the ReservedRanges.

func NumberToMessageField 

func NumberToMessageField(message Message) (map[int]Field, error)

NumberToMessageField maps the Fields in the Message to a map from number to Field.

TODO: is this right? Includes extensions.

Returns error if the Fields do not have unique numbers within the Message, which should generally never happen for properly-formed Messages.

func NumberToNameToEnumValue 

func NumberToNameToEnumValue(enum Enum) (map[int]map[string]EnumValue, error)

NumberToNameToEnumValue maps the EnumValues in the Enum to a map from number to name to EnumValue.

Duplicates by number may occur if allow_alias = true.

Returns error if the EnumValues do not have unique names within the Enum for a given number, which should generally never happen for properly-formed Enums.

func PackageToFiles 

func PackageToFiles(files ...File) (map[string][]File, error)

PackageToFiles maps the Files to a map from Protobuf package to the slice of Files in that package.

Returns error if file paths are not unique.

Files will be sorted by Path.

func PackageToNameToService 

func PackageToNameToService(files ...File) (map[string]map[string]Service, error)

PackageToNameToService maps the Services in the Files to a map from package to name to Service.

Returns error if the Services do not have unique names within the packages, which should generally never happen for properly-formed Files.

func PackageToNestedNameToEnum 

func PackageToNestedNameToEnum(files ...File) (map[string]map[string]Enum, error)

PackageToNestedNameToEnum maps the Enums in the Files to a map from package to nested name to Enum.

Returns error if the Enums do not have unique nested names within the packages, which should generally never happen for properly-formed Files.

func PackageToNestedNameToMessage 

func PackageToNestedNameToMessage(files ...File) (map[string]map[string]Message, error)

PackageToNestedNameToMessage maps the Messages in the Files to a map from package to nested name to Message.

Returns error if the Messages do not have unique nested names within the packages, which should generally never happen for properly-formed Files.

func ReservedRangeString 

func ReservedRangeString(reservedRange ReservedRange) string

ReservedRangeString returns the string representation of the reserved range.

func SortFiles 

func SortFiles(files []File)

SortFiles sorts the Files by FilePath.

func StringToExtensionRange 

func StringToExtensionRange(message Message) map[string]ExtensionRange

StringToExtensionRange maps the ExtensionRanges in the Message to a map from string string to ExtensionRange.

Ignores duplicates.

func StringToReservedRange 

func StringToReservedRange(reservedDescriptor ReservedDescriptor) map[string]ReservedRange

StringToReservedRange maps the ReservedRanges in the ReservedDescriptor to a map from string string to ReservedRange.

Ignores duplicates.

func ValueToReservedName 

func ValueToReservedName(reservedDescriptor ReservedDescriptor) map[string]ReservedName

ValueToReservedName maps the ReservedNames in the ReservedDescriptor to a map from string value to ReservedName.

Ignores duplicates.

Types

type ContainerDescriptor 

type ContainerDescriptor interface {
	Enums() []Enum
	Messages() []Message
}

ContainerDescriptor contains Enums and Messages.

type Descriptor 

type Descriptor interface {
	// FilePath returns the associated file path as returned by the Protobuf compiler.
	//
	// This will be relative to the input proto_paths.
	// Normalized.
	// Always non-empty.
	FilePath() string
	// Package returns the associated package.
	//
	// Can be empty.
	Package() string
}

Descriptor is the base interface for a descriptor type.

type Enum 

type Enum interface {
	NamedDescriptor
	ReservedDescriptor

	Values() []EnumValue

	AllowAlias() bool
	AllowAliasLocation() Location
}

Enum is an enum descriptor.

type EnumValue 

type EnumValue interface {
	NamedDescriptor

	Enum() Enum
	Number() int

	NumberLocation() Location
}

EnumValue is an enum value descriptor.

type ExtensionRange 

type ExtensionRange interface {
	LocationDescriptor

	Start() int
	End() int
}

ExtensionRange is a extension range for a message.

type Field 

type Field interface {
	NamedDescriptor

	Message() Message
	Number() int
	Label() FieldDescriptorProtoLabel
	Type() FieldDescriptorProtoType
	TypeName() string
	OneofIndex() (int, bool)
	JSONName() string
	JSType() FieldOptionsJSType
	CType() FieldOptionsCType
	// Set vs unset matters for packed
	// See the comments on descriptor.proto
	Packed() *bool

	NumberLocation() Location
	TypeLocation() Location
	TypeNameLocation() Location
	JSONNameLocation() Location
	JSTypeLocation() Location
	CTypeLocation() Location
	PackedLocation() Location
}

Field is a field descriptor.

type FieldDescriptorProtoLabel 

type FieldDescriptorProtoLabel int32

FieldDescriptorProtoLabel aliases descriptorpb.FieldDescriptorProto_Label.

func (FieldDescriptorProtoLabel) String 

func (l FieldDescriptorProtoLabel) String() string

String returns the string representation of the FieldDescriptorProtoLabel.

type FieldDescriptorProtoType 

type FieldDescriptorProtoType int32

FieldDescriptorProtoType aliases descriptorpb.FieldDescriptorProto_Type.

func (FieldDescriptorProtoType) String 

func (t FieldDescriptorProtoType) String() string

String returns the string representation of the FieldDescriptorProtoType.

type FieldOptionsCType 

type FieldOptionsCType int32

FieldOptionsCType aliases descriptorpb.FieldOptions_CType.

func (FieldOptionsCType) String 

func (c FieldOptionsCType) String() string

String returns the string representation of the FieldOptionsCType.

type FieldOptionsJSType 

type FieldOptionsJSType int32

FieldOptionsJSType aliases descriptorpb.FieldOptions_JSType.

func (FieldOptionsJSType) String 

func (j FieldOptionsJSType) String() string

String returns the string representation of the FieldOptionsJSType.

type File 

type File interface {
	Descriptor
	// Top-level only.
	ContainerDescriptor

	Syntax() Syntax
	FileImports() []FileImport
	Services() []Service

	CsharpNamespace() string
	GoPackage() string
	JavaMultipleFiles() bool
	JavaOuterClassname() string
	JavaPackage() string
	JavaStringCheckUtf8() bool
	ObjcClassPrefix() string
	PhpClassPrefix() string
	PhpNamespace() string
	PhpMetadataNamespace() string
	RubyPackage() string
	SwiftPrefix() string

	OptimizeFor() FileOptionsOptimizeMode
	CcGenericServices() bool
	JavaGenericServices() bool
	PyGenericServices() bool
	PhpGenericServices() bool
	CcEnableArenas() bool

	SyntaxLocation() Location
	PackageLocation() Location
	CsharpNamespaceLocation() Location
	GoPackageLocation() Location
	JavaMultipleFilesLocation() Location
	JavaOuterClassnameLocation() Location
	JavaPackageLocation() Location
	JavaStringCheckUtf8Location() Location
	ObjcClassPrefixLocation() Location
	PhpClassPrefixLocation() Location
	PhpNamespaceLocation() Location
	PhpMetadataNamespaceLocation() Location
	RubyPackageLocation() Location
	SwiftPrefixLocation() Location

	OptimizeForLocation() Location
	CcGenericServicesLocation() Location
	JavaGenericServicesLocation() Location
	PyGenericServicesLocation() Location
	PhpGenericServicesLocation() Location
	CcEnableArenasLocation() Location
}

File is a file descriptor.

func NewFile 

func NewFile(fileDescriptorProto *descriptorpb.FileDescriptorProto) (File, error)

NewFile returns a new File.

func NewFilesUnstable 

func NewFilesUnstable(ctx context.Context, fileDescriptorProtos ...*descriptorpb.FileDescriptorProto) ([]File, error)

NewFilesUnstable converts the FileDescriptorSet into Files.

This may be done concurrently and the returned Files may not be in the same order as the input FileDescriptorProtos on the FileDescriptorSet. If ordering matters, use NewFile.

type FileImport 

type FileImport interface {
	LocationDescriptor

	Import() string
	IsPublic() bool
	IsWeak() bool
}

FileImport is a file import descriptor.

type FileOptionsOptimizeMode 

type FileOptionsOptimizeMode int32

FileOptionsOptimizeMode aliases descriptorpb.FileOptions_OptimizeMode.

func (FileOptionsOptimizeMode) String 

func (t FileOptionsOptimizeMode) String() string

String returns the string representation of the FileOptionsOptimizeMode.

type Location 

type Location interface {
	StartLine() int
	StartColumn() int
	EndLine() int
	EndColumn() int
	LeadingComments() string
	TrailingComments() string
	// NOT a copy. Do not modify.
	LeadingDetachedComments() []string
}

Location defines source code info location information.

May be extended in the future to include comments.

Note that unlike SourceCodeInfo_Location, these are not zero-indexed.

type LocationDescriptor 

type LocationDescriptor interface {
	Descriptor

	// Location returns the location of the entire descriptor.
	//
	// Can return nil, although will generally not be nil.
	Location() Location
}

LocationDescriptor is the base interface for a descriptor type with a location.

type Message 

type Message interface {
	NamedDescriptor
	// Only those directly nested under this message.
	ContainerDescriptor
	ReservedDescriptor

	// Includes fields in oneofs.
	Fields() []Field
	Extensions() []Field
	Oneofs() []Oneof
	ExtensionRanges() []ExtensionRange

	// Will return nil if this is a top-level message
	Parent() Message
	IsMapEntry() bool

	MessageSetWireFormat() bool
	NoStandardDescriptorAccessor() bool
	MessageSetWireFormatLocation() Location
	NoStandardDescriptorAccessorLocation() Location
}

Message is a message descriptor.

type Method 

type Method interface {
	NamedDescriptor

	Service() Service
	InputTypeName() string
	OutputTypeName() string
	ClientStreaming() bool
	ServerStreaming() bool
	InputTypeLocation() Location
	OutputTypeLocation() Location

	IdempotencyLevel() MethodOptionsIdempotencyLevel
	IdempotencyLevelLocation() Location
}

Method is a method descriptor.

type MethodOptionsIdempotencyLevel 

type MethodOptionsIdempotencyLevel int32

MethodOptionsIdempotencyLevel aliases descriptorpb.MethodOptions_IdempotencyLevel.

func (MethodOptionsIdempotencyLevel) String 

func (t MethodOptionsIdempotencyLevel) String() string

String returns the string representation of the MethodOptionsIdempotencyLevel.

type NamedDescriptor 

type NamedDescriptor interface {
	LocationDescriptor

	// FullName returns the fully-qualified name, i.e. some.pkg.Nested.Message.FooEnum.ENUM_VALUE.
	//
	// Always non-empty.
	FullName() string
	// NestedName returns the full nested name without the package, i.e. Nested.Message.FooEnum
	// or Nested.Message.FooEnum.ENUM_VALUE.
	//
	// Always non-empty.
	NestedName() string
	// Name returns the short name, or the name of a value or field, i.e. FooEnum or ENUM_VALUE.
	//
	// Always non-empty.
	Name() string
	// NameLocation returns the location of the name of the descriptor.
	//
	// If the backing descriptor does not have name-level resolution, this will
	// attempt to return a location of the entire descriptor.
	//
	// Can return nil.
	NameLocation() Location
}

NamedDescriptor is the base interface for a named descriptor type.

type Oneof 

type Oneof interface {
	NamedDescriptor

	Message() Message
}

Oneof is a oneof descriptor.

func FieldOneof 

func FieldOneof(field Field) (Oneof, error)

FieldOneof returns the Oneof for the field.

Returns nil if the field is not in a oneof. Returns error if the field is malformed.

type ReservedDescriptor 

type ReservedDescriptor interface {
	ReservedRanges() []ReservedRange
	ReservedNames() []ReservedName
}

ReservedDescriptor has reserved ranges and names.

type ReservedName 

type ReservedName interface {
	LocationDescriptor

	Value() string
}

ReservedName is a reserved name for an enum or message.

type ReservedRange 

type ReservedRange interface {
	LocationDescriptor

	Start() int
	End() int
	EndIsExclusive() bool
}

ReservedRange is a reserved range for an enum or message.

End is exclusive for Messages, inclusive for Enums.

type Service 

type Service interface {
	NamedDescriptor

	Methods() []Method
}

Service is a service descriptor.

type Syntax 

type Syntax int

Syntax is the syntax of a file. 

const (
	// SyntaxProto2 represents the proto2 syntax.
	SyntaxProto2 Syntax = iota + 1
	// SyntaxProto3 represents the proto3 syntax.
	SyntaxProto3
)

func (Syntax) String 

func (s Syntax) String() string

String returns the string representation of s

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