#!/bin/bash

dir=`mktemp`
rm -rf ${dir}
mkdir -p ${dir}

tmpfile=`mktemp`
rm -rf ${tmpfile}

style="freedesktop"
[ "$1" == "--rock" -o -e /usr/share/icewm/rockstyle ] && style="rock"

process_desktop(){
	file=${1}
	
	. ${file}
	[ -z "${Exec}" ] && return

	if [ "${style}" == "freedesktop" ] ; then
		Categories=${Categories//;//}
		Categories=${Categories%/}
	elif [ "${style}" == "rock" ] ; then
		Categories="`grep '\[C\]' /var/adm/descs/${X_ROCK_Name} | head -n 1 | cut -f2 -d' '`"
	fi
	mkdir -p "${dir}/${Categories}"
	if [ "${Terminal}" == "true" -o "${Terminal}" == "1" ] ; then
		Exec="xterm -e '${Exec}'"
	fi
	echo "prog \"${Name}\" \"${Icon:-${Name}}\" ${Exec}" > "${dir}/${Categories}/${Name}"
	unset Exec Name Icon Terminal Categories X_ROCK_Name
}

for x in /usr/share/applications/*desktop ; do
	[ ! -e ${x} ] && continue
	entry=0

	while read line ; do
		[ -z "${line}" -o "${line:0:1}" == "#" ] && continue

		if [ "${line:0:1}" == "[" ] ; then
			entry=$(( ${entry} + 1 ))
			if [ ${entry} -gt 1 ] ; then		# this is to support multiple entries in one file
				[ -f ${tmpfile} ] && process_desktop ${tmpfile}
				rm -f ${tmpfile}
			fi
		else
			[ "${line:0:5}" == "Exec=" ] && echo "${line}" | sed -e 's,=\(.*\)$,="\1",g' >>${tmpfile}
			[ "${line:0:5}" == "Name=" ] && echo "${line}" | sed -e 's,=\(.*\)$,="\1",g' >>${tmpfile}
			[ "${line:0:5}" == "Icon=" ] && echo "${line}" | sed -e 's,=\(.*\)$,="\1",g' >>${tmpfile}
			[ "${line:0:9}" == "Terminal=" ] && echo "${line}" | sed -e 's,=\(.*\)$,="\1",g' >>${tmpfile}
			[ "${line:0:11}" == "Categories=" ] && echo "${line}" | sed -e 's,=\(.*\)$,="\1",g' >>${tmpfile}
			[ "${line:0:12}" == "X-ROCK-Name=" ] && echo "${line}" | sed -e 's,=\(.*\)$,="\1",g' -e 's,^.*=,X_ROCK_Name=,g' >>${tmpfile}
		fi
	done < ${x}
	[ -f ${tmpfile} ] && process_desktop ${tmpfile}
	rm -f ${tmpfile}
done

scan_file() {
	for n in 1 `seq 1 1 ${2} 2>/dev/null` ; do
		echo -en "\t"
	done
	cat "${1}"
}

scan_dir() {
	for n in `seq 1 1 ${2} 2>/dev/null` ; do
		echo -en "\t"
	done
	echo "menu \"${1##*/}\" folder {"

	for x in "${1}"/* ; do
		if [ -d "${x}" ] ; then
			scan_dir "${x}" $(( ${2} + 1 ))
		elif [ -f "${x}" ] ; then
			scan_file "${x}" ${2}
		fi
	done
	for n in `seq 1 1 ${2} 2>/dev/null` ; do
		echo -en "\t"
	done
	echo "}"
}

rm -f /usr/share/icewm/ROCK

for x in ${dir}/* ; do
	if [ -d "${x}" ] ; then
		scan_dir "${x}" 0
	elif [ -f "${x}" ] ; then
		scan_file "${x}" 0
	fi
done >/usr/share/icewm/ROCK

rm -rf ${tmpfile} ${dir}