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package url
import (
"regexp"
)
var (
isSchemeRegExp = regexp.MustCompile(`^[^:]+://`)
// Ref: https://github.com/git/git/blob/master/Documentation/urls.txt#L37
scpLikeUrlRegExp = regexp.MustCompile(`^(?:(?P<user>[^@]+)@)?(?P<host>[^:\s]+):(?:(?P<port>[0-9]{1,5}):)?(?P<path>[^\\].*)$`)
)
// MatchesScheme returns true if the given string matches a URL-like
// format scheme.
func MatchesScheme(url string) bool {
return isSchemeRegExp.MatchString(url)
}
// MatchesScpLike returns true if the given string matches an SCP-like
// format scheme.
func MatchesScpLike(url string) bool {
return scpLikeUrlRegExp.MatchString(url)
}
// FindScpLikeComponents returns the user, host, port and path of the
// given SCP-like URL.
func FindScpLikeComponents(url string) (user, host, port, path string) {
m := scpLikeUrlRegExp.FindStringSubmatch(url)
return m[1], m[2], m[3], m[4]
}
// IsLocalEndpoint returns true if the given URL string specifies a
// local file endpoint. For example, on a Linux machine,
// `/home/user/src/go-git` would match as a local endpoint, but
// `https://github.com/src-d/go-git` would not.
func IsLocalEndpoint(url string) bool {
return !MatchesScheme(url) && !MatchesScpLike(url)
}
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