package registry // import "github.com/docker/docker/registry"

 import (

 	"github.com/docker/distribution/reference"

 	registrytypes "github.com/docker/docker/api/types/registry"

 )
 

 // RepositoryData tracks the image list, list of endpoints for a repository

 type RepositoryData struct {

 	// ImgList is a list of images in the repository
 	ImgList map[string]*ImgData
 	// Endpoints is a list of endpoints returned in X-Docker-Endpoints

 	Endpoints []string
 }
 

 // ImgData is used to transfer image checksums to and from the registry

 type ImgData struct {

 	// ID is an opaque string that identifies the image

 	ID              string `json:"id"`
 	Checksum        string `json:"checksum,omitempty"`
 	ChecksumPayload string `json:"-"`
 	Tag             string `json:",omitempty"`
 }
 

 // PingResult contains the information returned when pinging a registry. It
 // indicates the registry's version and whether the registry claims to be a
 // standalone registry.
 type PingResult struct {

 	// Version is the registry version supplied by the registry in an HTTP

 	// header
 	Version string `json:"version"`
 	// Standalone is set to true if the registry indicates it is a
 	// standalone registry in the X-Docker-Registry-Standalone
 	// header
 	Standalone bool `json:"standalone"`

 }

 // APIVersion is an integral representation of an API version (presently
 // either 1 or 2)

 type APIVersion int
 
 func (av APIVersion) String() string {
 	return apiVersions[av]
 }
 

 // API Version identifiers.

 const (

 	_                      = iota
 	APIVersion1 APIVersion = iota

 	APIVersion2
 )

 var apiVersions = map[APIVersion]string{
 	APIVersion1: "v1",
 	APIVersion2: "v2",
 }
 

 // RepositoryInfo describes a repository

 type RepositoryInfo struct {

 	Name reference.Named

 	// Index points to registry information

 	Index *registrytypes.IndexInfo

 	// Official indicates whether the repository is considered official.
 	// If the registry is official, and the normalized name does not
 	// contain a '/' (e.g. "foo"), then it is considered an official repo.
 	Official bool

 	// Class represents the class of the repository, such as "plugin"
 	// or "image".
 	Class string

 }