#!/sbin/runscript
# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/app-text/dictd/files/1.10.11/dictd.initd,v 1.4 2010/08/09 12:00:00 pva Exp $

DICTD_PID="/var/run/dictd.pid"

prepconfig() {

	# If there is no configuration file, then quit.
	if [ ! -e "${DICTDCONF}" ]
	then
		eerror "Config file ${DICTDCONF} not found."
		return 1
	fi

	# If there is no directory for the dictionaries, then quit.
	einfo "Scanning for dictionaries..."
	if [ ! -d "${DLIBDIR}" ]
	then
		eerror "Directory ${DLIBDIR} not found."
		return 1
	fi

	# Declare indexed arrays (apparently quicker).
	local -a datafiles
	local -a ifiles
	local -a dfiles
	local -a dzfiles
	local COUNT TOTAL

	# Get a list of the databases already known to dictd.
	datafiles=(`grep ^database ${DICTDCONF} | cut -s -d '"' -f 2`)
	COUNT=${#datafiles[@]}
	for ((i = 0 ; i < COUNT ; i++))
	do
		# Remove any references to non-existent databases.
		if [ ! -f ${datafiles[$i]} ]
		then
			sed -i -e "\@^data.*${datafiles[$i]}@,+1d" ${DICTDCONF}
		fi
	done

	# Get a list of the installed index files.
	ifiles=( `ls ${DLIBDIR}/*index` )
	COUNT=${#ifiles[@]}

	# Generate the related dictionary names.
	dfiles=( ${ifiles[@]/%index/dict} )
	dzfiles=( ${ifiles[@]/%index/dict.dz} )

	# Check that all the available indices have an associated dictionary.
	for ((i = 0 ; i < COUNT ; i++))
	do
		if [ -f ${dfiles[$i]} ]
		then
			unset dzfiles[$i]
		elif [ -f ${dzfiles[$i]} ]
		then
			unset dfiles[$i]
		else
			ewarn "Index ${ifiles[$i]} has no matching dictionary."
			unset ifiles[$i]
			unset dfiles[$i]
			unset dzfiles[$i]
		fi
	done

	# If there are no valid index files left, quit.
	if [[ ${#ifiles[@]} == 0 ]]
	then
		eerror "No valid dictionaries were found in ${DLIBDIR}."
		eerror "Please emerge at least one of the app-dicts/dictd-* dictionaries."
		unset datafiles
		unset ifiles
		unset dfiles
		unset dzfiles
		return 1
	fi

	# The standard output format is:
	# database web1913 { data "/usr/lib/dict/web1913.dict.dz"
	#          index "/usr/lib/dict/web1913.index" }
 	# The first line must start at the right margin.
	TOTAL=0
	for ((i = 0 ; i < COUNT ; i++))
	do
		if  [[ ${ifiles[$i]} == "" ]]
		then
			continue
		fi
		(( TOTAL += 1 ))
		# Check for hitherto unknown index files.
		if [[ `grep -c ${ifiles[$i]} ${DICTDCONF}` == 0 ]]
		then
			# If index and dictionary both exist, add them to dictd.conf
			if [ ${dfiles[$i]} -a -f ${dfiles[$i]} ]
			then
				echo -e "database `basename ${ifiles[$i]} .index` { data \"${dfiles[$i]}\"\n         index \"${ifiles[$i]}\" }" >> ${DICTDCONF}
			elif [ ${dzfiles[$i]} -a -f ${dzfiles[$i]} ]
			then
				echo -e "database `basename ${ifiles[$i]} .index` { data \"${dzfiles[$i]}\"\n         index \"${ifiles[$i]}\" }" >> ${DICTDCONF}
			else
				# Never happen.
				(( TOTAL -= 1 ))
				ewarn "Index ${ifiles[$i]} has no matching dictionary."
			fi
		fi
	done

	# Clean up.
	unset datafiles
	unset ifiles
	unset dfiles
	unset dzfiles

	einfo "Loaded ${TOTAL} dictionaries from ${DLIBDIR} ..."
}

depend() {
	need localmount
}

start() {
	prepconfig || return 1
	ebegin "Starting dictd"
	start-stop-daemon --start --quiet --pidfile ${DICTD_PID} --exec \
			/usr/sbin/dictd -- --pid-file ${DICTD_PID} ${DICTD_OPTS}
	eend $?
}

stop() {
	ebegin "Stopping dictd"
	start-stop-daemon --stop --quiet --pidfile ${DICTD_PID} --exec /usr/sbin/dictd
	eend $?
}