peridot/secparse/rpmutils/regex.go

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// Copyright (c) 2021-2022 Ctrl IQ, Inc. All rights reserved.
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package rpmutils

import "regexp"

var (
	nvr        *regexp.Regexp
	nvrNoArch  *regexp.Regexp
	epoch      *regexp.Regexp
	module     *regexp.Regexp
	dist       *regexp.Regexp
	moduleDist *regexp.Regexp
	advisoryId *regexp.Regexp
)

func NVR() *regexp.Regexp {
	if nvr == nil {
		nvr = regexp.MustCompile("^(\\S+)-([\\w~%.+]+)-(\\w+(?:\\.[\\w+]+)+?)(?:\\.(\\w+))?(?:\\.rpm)?$")
	}
	return nvr
}

func NVRNoArch() *regexp.Regexp {
	if nvrNoArch == nil {
		nvrNoArch = regexp.MustCompile("^(\\S+)-([\\w~%.+]+)-(\\w+(?:\\.[\\w+]+)+?)(?:\\.rpm)?$")
	}
	return nvrNoArch
}

func Epoch() *regexp.Regexp {
	if epoch == nil {
		epoch = regexp.MustCompile("(\\d+):")
	}
	return epoch
}

func Module() *regexp.Regexp {
	if module == nil {
		module = regexp.MustCompile("^(.+)-(.+)-([0-9]{19})\\.((?:.+){8})$")
	}
	return module
}

func Dist() *regexp.Regexp {
	if dist == nil {
		dist = regexp.MustCompile("(\\.el\\d(?:_\\d|))")
	}
	return dist
}

func ModuleDist() *regexp.Regexp {
	if moduleDist == nil {
		moduleDist = regexp.MustCompile("\\.module.+$")
	}
	return moduleDist
}

func AdvisoryId() *regexp.Regexp {
	if advisoryId == nil {
		advisoryId = regexp.MustCompile("^(.+)([SEB]A)-([0-9]{4}):([0-9]+)$")
	}
	return advisoryId
}