#!/bin/sh
# converts the <rules>.xml file to the old format <rules>.lst file
# Usage: xml2lst < filename.xml > filename.lst

var=0 com=0 nam=''

printf '! model\n'
while read -r l || [ "$l" ]; do case $l in
    *'<name>'*)         n=${l#*>} n=${n%<*};;
    *'<description>'*)  l=${l#*>}; printf '  %-15s %s\n' "$n" "${l%<*}" ;;
    *'</modelList>'*)   break
esac; done

printf '\n! layout\n'
while read -r l || [ "$l" ]; do case $l in
    *'<variantList>'*)  var=1;;
    *'</variantList>'*) var=0;;
    *'</layoutList>'*)  break;;

    *'<name>'*)
        l="${l#*>}"
        [ "$var" -eq 0 ] && ln=${l%<*} || n=${l%<*}
    ;;

    *'<description>'*)
        l=${l#*>}

        case $var in
            0) printf '  %-15s %s\n' "${ln}" "${l%<*}" ;;
            *) nam="${nam%x}  $(printf '%-15s %s: %s\nx' "$n" "$ln" "${l%<*}")"
        esac
    ;;
esac; done

printf '\n! variant\n%s\n! option\n' "${nam%x}"
while read -r l || [ "$l" ]; do case $l in
    *'-->'*)            com=0;;
    *'<!--'*)           com=1;;
    *'</optionList>'*)  break;;
    *'<name>'*)         n=${l#*>} n=${n%<*} ;;

    *'<description>'*)
        l=${l#*>}

        [ "$com" -ne 0 ] || printf '  %-20s %s\n' "$n" "${l%<*}"
    ;;
esac; done