package remap

import (
	"regexp"
)

/*
Compile is a convenience shorthand for:

	var err error
	var r *remap.ReMap = new(remap.ReMap)

	if r.Regexp, err = regexp.Compile(expr); err != nil {
		// ...
	}

It corresponds to [regexp.Compile].
*/
func Compile(expr string) (r *ReMap, err error) {

	var p *regexp.Regexp

	if p, err = regexp.Compile(expr); err != nil {
		return
	}

	r = &ReMap{
		Regexp: p,
	}

	return
}

/*
CompilePOSIX is a convenience shorthand for:

	var err error
	var r *remap.ReMap = new(remap.ReMap)

	if r.Regexp, err = regexp.CompilePOSIX(expr); err != nil {
		// ...
	}

It corresponds to [regexp.CompilePOSIX].
*/
func CompilePOSIX(expr string) (r *ReMap, err error) {

	var p *regexp.Regexp

	if p, err = regexp.CompilePOSIX(expr); err != nil {
		return
	}

	r = &ReMap{
		Regexp: p,
	}

	return
}

/*
MustCompile is a convenience shorthand for:

	var r *remap.ReMap = &remap.ReMap{
		Regexp: regexp.MustCompile(expr),
	}

It corresponds to [regexp.MustCompile].
*/
func MustCompile(expr string) (r *ReMap) {

	var err error
	var p *regexp.Regexp

	// We panic ourselves instead of wrapping regexp.MustCompile.
	// Makes debuggers a little more explicit.
	if p, err = regexp.Compile(expr); err != nil {
		panic(err)
	}

	r = &ReMap{
		Regexp: p,
	}

	return
}

/*
MustCompilePOSIX is a convenience shorthand for:

	var r *remap.ReMap = &remap.ReMap{
		Regexp: regexp.MustCompilePOSIX(expr),
	}

It corresponds to [regexp.MustCompilePOSIX].
*/
func MustCompilePOSIX(expr string) (r *ReMap) {

	var err error
	var p *regexp.Regexp

	// We panic ourselves instead of wrapping regexp.MustCompilePOSIX.
	// Makes debuggers a little more explicit.
	if p, err = regexp.CompilePOSIX(expr); err != nil {
		panic(err)
	}

	r = &ReMap{
		Regexp: p,
	}

	return
}