// f5 common functions used to parse variours configuration elements
package pkg

import (
	"fmt"

	"strconv"
	"strings"
)

// Return a list of the outer most bracer matched elements
func braceParse(s string) []string {
	var brOpen int
	var r string
	var l []string

	for _, v := range strings.Split(s, "\n") {
		if strings.Contains(v, "{") {
			brOpen += 1
		}
		if strings.Contains(v, "}") {
			brOpen -= 1
		}
		if brOpen != 0 {
			r = fmt.Sprintf("%s\n%s", r, v)
		}
		if brOpen == 0 {
			r = fmt.Sprintf("%s\n%s", r, v)
			l = append(l, r)
			r = ""
		}

	}
	return l
}

// strconv.Atoi wrapper
func atoi(s string) *int {
	i, err := strconv.Atoi(s)
	if err != nil {
		return nil
	}
	return &i
}