#!/bin/bash
# $Header: /home/cvsd/magellan-cvs/magellan-src/installer/include/timezone.sh,v 1.1 2008-09-24 10:54:00 niro Exp $

checklist()
{
	local i
	local item="$1"

	for i in ${LOCALE_LIST}
	do
		[[ ${i} = ${item} ]] && return 1
	done

	return 0
}


while read code coordinates tz comments
do
	# excludes
	case ${code} in
		\#*|'') continue ;;
	esac

	region="${tz%%/*}"
	location="${tz#*/}"

	if [[ $1 = --regions ]]
	then
		if checklist "${region}"
		then
			LOCALE_LIST="${LOCALE_LIST} ${region}"
		fi
	
	elif [[ $1 = --locations ]]
	then
		[[ ${region} != $2 ]] && continue
		if checklist "${location}"
		then
			LOCALE_LIST="${LOCALE_LIST} ${location}"
		fi

	elif [[ $1 = --get-code ]]
	then
		[[ ${location} != $2 ]] && continue
		# location is the same, so print the code
		echo "${code}"

	elif [[ -z $1 ]]
	then
		echo "${tz}|${comments}"
	fi

done << EOF
$(cat /usr/share/zoneinfo/zone.tab | sort)
EOF


if [[ $1 = --regions ]] || [[ $1 = --locations ]]
then
	for i in ${LOCALE_LIST}
	do
		echo "${i}"
	done | sort
fi