util

func AnalyzeSuffix ¶

func AnalyzeSuffix(uri string) (valid, hasStar, hasPlus, hasDollar, hasBang bool)

AnalyzeSuffix checks a given URI for schema validity and possession of characteristics

func RestrictBy ¶

func RestrictBy(from string, by string) (string, bool)

RestrictBy takes a topic, and a permission, and returns the intersection that represents the from topic restricted by the permission. It took a looong time to work out this logic...

func VerifyMVK ¶

func VerifyMVK(mvk []byte) bool