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digest: add FromString helper to Digest

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Signed-off-by: Stephen J Day <stephen.day@docker.com>
This commit is contained in:
Stephen J Day 2016-12-07 13:44:37 -08:00
parent 2a3510004f
commit 85994fcfc0
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2 changed files with 10 additions and 0 deletions
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5
digest/digest.go
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@ -80,6 +80,11 @@ func FromBytes(p []byte) Digest {
return Canonical.FromBytes(p) return Canonical.FromBytes(p)
} }
// FromString digests the input and returns a Digest.
func FromString(s string) Digest {
return Canonical.FromString(s)
}
// Validate checks that the contents of d is a valid digest, returning an // Validate checks that the contents of d is a valid digest, returning an
// error if not. // error if not.
func (d Digest) Validate() error { func (d Digest) Validate() error {

5
digest/digester.go
View file

@ -129,6 +129,11 @@ func (a Algorithm) FromBytes(p []byte) Digest {
return digester.Digest() return digester.Digest()
} }
// FromString digests the string input and returns a Digest.
func (a Algorithm) FromString(s string) Digest {
return a.FromBytes([]byte(s))
}
// TODO(stevvooe): Allow resolution of verifiers using the digest type and // TODO(stevvooe): Allow resolution of verifiers using the digest type and
// this registration system. // this registration system.