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-rw-r--r--kube2msb/src/vendor/github.com/docker/distribution/reference/regexp.go124
1 files changed, 0 insertions, 124 deletions
diff --git a/kube2msb/src/vendor/github.com/docker/distribution/reference/regexp.go b/kube2msb/src/vendor/github.com/docker/distribution/reference/regexp.go
deleted file mode 100644
index 9a7d366..0000000
--- a/kube2msb/src/vendor/github.com/docker/distribution/reference/regexp.go
+++ /dev/null
@@ -1,124 +0,0 @@
-package reference
-
-import "regexp"
-
-var (
- // alphaNumericRegexp defines the alpha numeric atom, typically a
- // component of names. This only allows lower case characters and digits.
- alphaNumericRegexp = match(`[a-z0-9]+`)
-
- // separatorRegexp defines the separators allowed to be embedded in name
- // components. This allow one period, one or two underscore and multiple
- // dashes.
- separatorRegexp = match(`(?:[._]|__|[-]*)`)
-
- // nameComponentRegexp restricts registry path component names to start
- // with at least one letter or number, with following parts able to be
- // separated by one period, one or two underscore and multiple dashes.
- nameComponentRegexp = expression(
- alphaNumericRegexp,
- optional(repeated(separatorRegexp, alphaNumericRegexp)))
-
- // hostnameComponentRegexp restricts the registry hostname component of a
- // repository name to start with a component as defined by hostnameRegexp
- // and followed by an optional port.
- hostnameComponentRegexp = match(`(?:[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])`)
-
- // hostnameRegexp defines the structure of potential hostname components
- // that may be part of image names. This is purposely a subset of what is
- // allowed by DNS to ensure backwards compatibility with Docker image
- // names.
- hostnameRegexp = expression(
- hostnameComponentRegexp,
- optional(repeated(literal(`.`), hostnameComponentRegexp)),
- optional(literal(`:`), match(`[0-9]+`)))
-
- // TagRegexp matches valid tag names. From docker/docker:graph/tags.go.
- TagRegexp = match(`[\w][\w.-]{0,127}`)
-
- // anchoredTagRegexp matches valid tag names, anchored at the start and
- // end of the matched string.
- anchoredTagRegexp = anchored(TagRegexp)
-
- // DigestRegexp matches valid digests.
- DigestRegexp = match(`[A-Za-z][A-Za-z0-9]*(?:[-_+.][A-Za-z][A-Za-z0-9]*)*[:][[:xdigit:]]{32,}`)
-
- // anchoredDigestRegexp matches valid digests, anchored at the start and
- // end of the matched string.
- anchoredDigestRegexp = anchored(DigestRegexp)
-
- // NameRegexp is the format for the name component of references. The
- // regexp has capturing groups for the hostname and name part omitting
- // the separating forward slash from either.
- NameRegexp = expression(
- optional(hostnameRegexp, literal(`/`)),
- nameComponentRegexp,
- optional(repeated(literal(`/`), nameComponentRegexp)))
-
- // anchoredNameRegexp is used to parse a name value, capturing the
- // hostname and trailing components.
- anchoredNameRegexp = anchored(
- optional(capture(hostnameRegexp), literal(`/`)),
- capture(nameComponentRegexp,
- optional(repeated(literal(`/`), nameComponentRegexp))))
-
- // ReferenceRegexp is the full supported format of a reference. The regexp
- // is anchored and has capturing groups for name, tag, and digest
- // components.
- ReferenceRegexp = anchored(capture(NameRegexp),
- optional(literal(":"), capture(TagRegexp)),
- optional(literal("@"), capture(DigestRegexp)))
-)
-
-// match compiles the string to a regular expression.
-var match = regexp.MustCompile
-
-// literal compiles s into a literal regular expression, escaping any regexp
-// reserved characters.
-func literal(s string) *regexp.Regexp {
- re := match(regexp.QuoteMeta(s))
-
- if _, complete := re.LiteralPrefix(); !complete {
- panic("must be a literal")
- }
-
- return re
-}
-
-// expression defines a full expression, where each regular expression must
-// follow the previous.
-func expression(res ...*regexp.Regexp) *regexp.Regexp {
- var s string
- for _, re := range res {
- s += re.String()
- }
-
- return match(s)
-}
-
-// optional wraps the expression in a non-capturing group and makes the
-// production optional.
-func optional(res ...*regexp.Regexp) *regexp.Regexp {
- return match(group(expression(res...)).String() + `?`)
-}
-
-// repeated wraps the regexp in a non-capturing group to get one or more
-// matches.
-func repeated(res ...*regexp.Regexp) *regexp.Regexp {
- return match(group(expression(res...)).String() + `+`)
-}
-
-// group wraps the regexp in a non-capturing group.
-func group(res ...*regexp.Regexp) *regexp.Regexp {
- return match(`(?:` + expression(res...).String() + `)`)
-}
-
-// capture wraps the expression in a capturing group.
-func capture(res ...*regexp.Regexp) *regexp.Regexp {
- return match(`(` + expression(res...).String() + `)`)
-}
-
-// anchored anchors the regular expression by adding start and end delimiters.
-func anchored(res ...*regexp.Regexp) *regexp.Regexp {
- return match(`^` + expression(res...).String() + `$`)
-}