# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/x11.eclass,v 1.3 2004/10/29 07:11:35 spyderous Exp $
#
# Author: Mamoru KOMACHI <usata@gentoo.org>
#
# The darwin-daemon.eclass is designed to convert Gentoo init.d scripts
# into Mac OS X compatible format. It should be called from src_install()
# and will create necessary files in /Library/System/StartupItems.
#

# External function:
#	register-StartupItems
# Internal functions:
#	create-plist
#	convert-initd
#	parse-Items
#	map-Items
#	fakeuse
#	fakeneed

ECLASS=darwin-initd
INHERITED="${INHERITED} ${ECLASS}"

EXPORT_FUNCTIONS register-StartupItems

#
# Register StartupItems:
#
# register-StartupItems [StartupItem [init.d]]
#
register-StartupItems() {
	if [ -n "$1" ] ; then
		local StartupItem="$1"
	fi
	if [ -n "$2" ] ; then
		local INITD="$2"
	fi
	: ${StartupItem:=${PN}}
	: ${INITD:=/etc/init.d/${PN}}

	local StartupItemsDir=${D}/Library/StartupItems/${StartupItem}
	mkdir -p ${StartupItemsDir} || die "mkdir failed"

	create-plist "${INITD}" "${StartupItem}" > ${StartupItemsDir}/StartupParameters.plist || die "creating StartupParameters.plist failed"
	convert-initd "${INITD}" > ${StartupItemsDir}/${StartupItem} || die "creating Service failed"
	chmod +x ${StartupItemsDir}/${StartupItem} || die "chmod failed"
}

#
# Function to create StartupParameters.plist
#
# create-plist path_to_init.d_script StartupItem
#
create-plist() {
	local INITD="$1"
	local StartupItem="$2"
	alias use=fakeuse
	alias need=fakeneed
	cat <<EOH
/* Copyright 1999-2004 Gentoo Foundation
 * Distributed under the terms of GNU General Public License v2
 */
EOH
	if [ -e "${D}/${INITD}" ] ; then
		source "${D}${INITD}"
	else
		ewarn
		ewarn "${INITD} not found. Perhaps you forgot to specify correct path?"
		ewarn
	fi

	echo "{"
	echo "  Description	= \"${DESCRIPTION}\";"
	echo "  Provides	= (\"${StartupItem}\");"
	depend
	echo "  OrderPreference	= \"None\";"
	echo "}"
	unalias use need
}

#
# Function to convert Gentoo init.d to StartupItems compat
#
# convert-initd path_to_init.d_script
#
convert-initd() {
	INITD="$1"
	cat <<EOH
#!/bin/sh
# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

##
# ${DESCRIPTION}
##

. /etc/rc.common

StartService ()
{
	${INITD} start
}

StopService ()
{
	${INITD} stop
}

RestartService ()
{
	${INITD} restart
}

RunService "\$1"
EOH
}

#
# Fake routine to parse depend()
#
fakeneed() {
	echo -n "  Requires	= "
	parse-Items "$@"
	echo ";"
}

#
# Fake routine to parse depend()
#
fakeuse() {
	echo -n "  Uses		= "
	parse-Items "$@"
	echo ";"
}

#
# parse StartupItems entry:
#
# parse-Items foo -> ("foo")
# parse-Items foo bar -> ("foo", "bar")
#
parse-Items() {
	echo -n "("
	while [ "$#" -gt 1 ] ; do
		echo -n "\"$(map-Items $1)\", "
		shift
	done
	echo -n "\"$(map-Items $1)\""
	echo -n ")"
}

#
# Function to map Gentoo init.d naming convension to Mac OS X
# StartupItems naming convension
#
map-Items() {
	local gen2mac sedlist

	# one line for one map
	gen2mac="net Network
		logger System Log
		netmount NFS
		dns Resolver
		portmap Portmap
		ypserv NIS
		domainname Network Configuration"

	echo "$gen2mac" | while read gen mac ; do
		sedlist="${sedlist} s:^${gen}\$:${mac}:
"
	done

	if [ "$#" -eq 0 ] ; then
		sed -e "{ $sedlist }"
	else
		echo "$@" | sed -e "{ $sedlist }"
	fi
}