vhost-manager/share/bin/form_input

#!/bin/sh

TITLE=
LABEL=
DEFAULT=
REQUIRED=0
ERROR=0
HEIGHT=8
WIDTH=50

while getopts "t:l:d:h:w:r" option; do
	case "$option" in
		t) TITLE="$OPTARG";;
		l) LABEL="$OPTARG";;
		d) DEFAULT="$OPTARG";;
		h) HEIGHT="$OPTARG";;
		w) WIDTH="$OPTARG";;
		r) REQUIRED=1;;
		:) ERROR=1;;
		?) ERROR=1;;
	esac
done

if [ $ERROR -eq 1 ]; then
	exit 1
fi

if [ $INTERACTIVE -eq 0 ]; then
	printf "%s" "$DEFAULT"
else
	VALUE=
	DO_ASK=1

	while [ $DO_ASK -eq 1 ]; do
		VALUE="$(whiptail --title "$TITLE" --inputbox "$LABEL" $HEIGHT $WIDTH "$DEFAULT" 3>&1 1>&2 2>&3)"
		STATUS=$?

		if [ $STATUS -eq 0 ]; then
			if [ $REQUIRED -eq 1 ] && [ -z "$VALUE" ]; then
				DO_ASK=1
			else
				DO_ASK=0
			fi
		else
			exit $STATUS
		fi
	done

	printf "%s" "$VALUE"
fi