60 lines
1.8 KiB
Go
60 lines
1.8 KiB
Go
package reference
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import (
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"github.com/docker/distribution/digest"
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distreference "github.com/docker/distribution/reference"
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)
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// Reference is an opaque object reference identifier that may include
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// modifiers such as a hostname, name, tag, and digest.
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type Reference interface {
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// String returns the full reference
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String() string
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}
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// Named is an object with a full name
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type Named interface {
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Reference
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Name() string
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}
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// NamedTagged is an object including a name and tag.
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type NamedTagged interface {
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Named
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Tag() string
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}
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// Canonical reference is an object with a fully unique
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// name including a name with hostname and digest
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type Canonical interface {
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Named
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Digest() digest.Digest
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}
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// ParseNamed parses s and returns a syntactically valid reference implementing
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// the Named interface. The reference must have a name, otherwise an error is
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// returned.
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// If an error was encountered it is returned, along with a nil Reference.
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// NOTE: ParseNamed will not handle short digests.
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func ParseNamed(s string) (Named, error) {
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// todo: docker specific validation
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return distreference.ParseNamed(s)
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}
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// WithName returns a named object representing the given string. If the input
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// is invalid ErrReferenceInvalidFormat will be returned.
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func WithName(name string) (Named, error) {
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return distreference.WithName(name)
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}
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// WithTag combines the name from "name" and the tag from "tag" to form a
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// reference incorporating both the name and the tag.
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func WithTag(name Named, tag string) (NamedTagged, error) {
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return distreference.WithTag(name, tag)
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}
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// WithDigest combines the name from "name" and the digest from "digest" to form
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// a reference incorporating both the name and the digest.
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func WithDigest(name Named, digest digest.Digest) (Canonical, error) {
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return distreference.WithDigest(name, digest)
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}
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