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// Copyright 2017 Canonical Ltd.
// Licensed under the LGPLv3, see LICENCE file for details.
package names
import (
"regexp"
)
const ApplicationOfferTagKind = "applicationoffer"
const (
ApplicationOfferSnippet = "(?:[a-z][a-z0-9]*(?:-[a-z0-9]*[a-z][a-z0-9]*)*)"
)
var validApplicationOffer = regexp.MustCompile("^" + ApplicationOfferSnippet + "$")
// IsValidApplicationOffer returns whether name is a valid application offer name.
func IsValidApplicationOffer(name string) bool {
return validApplicationOffer.MatchString(name)
}
type ApplicationOfferTag struct {
Name string
}
func (t ApplicationOfferTag) String() string { return t.Kind() + "-" + t.Id() }
func (t ApplicationOfferTag) Kind() string { return ApplicationOfferTagKind }
func (t ApplicationOfferTag) Id() string { return t.Name }
// NewApplicationOfferTag returns the tag for the application with the given name.
func NewApplicationOfferTag(applicationOfferName string) ApplicationOfferTag {
return ApplicationOfferTag{Name: applicationOfferName}
}
// ParseApplicationOfferTag parses a application tag string.
func ParseApplicationOfferTag(applicationOfferTag string) (ApplicationOfferTag, error) {
tag, err := ParseTag(applicationOfferTag)
if err != nil {
return ApplicationOfferTag{}, err
}
st, ok := tag.(ApplicationOfferTag)
if !ok {
return ApplicationOfferTag{}, invalidTagError(applicationOfferTag, ApplicationOfferTagKind)
}
return st, nil
}
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