########################################################################
#
# Some common functions for use in other FDP scripts
#
########################################################################


FDPDIR=${FDPDIR:-".."}

# Convert ${FDPDIR} into an absolute pathname if needed
case "${FDPDIR}" in
/*	)
	;;
*	)
	FDPDIR=${PWD}/${FDPDIR}
	;;
esac

FDPBINDIR="${FDPDIR}/docs-common/bin"
FDPPKGDIR="${FDPDIR}/docs-common/packaging"
PRI_LANG=${PRI_LANG:-"en_US"}
RPMINFO=${RPMINFO:-"${PRI_LANG}/rpm-info.xml"}
XSLTPROC=${XSLTPROC:-xsltproc}
XSLTPROCOPTS=${XSLTPROCOPTS:-"--path ${FDPDIR}/docs-common/common/entities:${FDPDIR}/docs-common/packaging"}
XMLFORMAT=${XMLFORMAT:-"${FDPBINDIR}/xmlformat"}
XMLFOPTS=${XMLFOPTS:-"-f ${FDPBINDIR}/xmlformat-fdp.conf"}

rpminfo_exists()
{
    if [ ! -f "${RPMINFO}" ]; then
	echo "File ${RPMINFO} missing." >&2
	return 1
    fi
}

get_all_workers()
{
	# Return list of workers, in format "email:wholename"
	if [ ! -f "${RPMINFO}" ]; then
		echo "$0: File '${RPMINFO}' missing." >&2
		return 1
	fi
	${XSLTPROC} "${FDPPKGDIR}/get-all-workers.xsl" \
	"${RPMINFO}" | sed 's/^ \+//g' | grep -v '^$' | cat -n

}

get_worker_attribute()
{
	# Return an attribute for a specific worker
	if [ ! -f "${RPMINFO}" ]; then
		echo "$0: File '${RPMINFO}' missing." >&2
		return 1
	fi
	if [ ! -z "$2" ]; then POS=$2 ; fi
	if [ ! -z "$1" ]; then ATT="$1" ; fi
	${XSLTPROC} --stringparam att "${ATT}" --param pos $POS \
	"${FDPPKGDIR}/get-worker.xsl" "${RPMINFO}"
}

get_title()
{
    rpminfo_exists && ${XSLTPROC} ${XSLTPROCOPTS} "${FDPPKGDIR}/get-title.xsl" "${RPMINFO}"
}

get_desc()
{
    rpminfo_exists && ${XSLTPROC} ${XSLTPROCOPTS} "${FDPPKGDIR}/get-desc.xsl" "${RPMINFO}"
}

version()
{
	# Return latest revision for an optional role argument
	# Don't grumble if we cannot find ${RPMINFO}, because it 
	# may not have been created yet.
	if [ ! -z "$1" ]; then
		OPTS="--stringparam role $1"
	fi
	if [ -f "${RPMINFO}" ]; then
		${XSLTPROC} ${OPTS} "${FDPPKGDIR}/doc-version.xsl" "$RPMINFO"
	else
		echo -n TBD
	fi
	# The stylesheet doesn't put a NL at the end.
	echo
}

date()
{
    # Return latest date for an optional role argument
    if [ ! -z "$1" ]; then
	OPTS="--stringparam role $1"
    fi
    if [ -f "${RPMINFO}" ]; then
	${XSLTPROC} ${XSLTPROCOPTS} ${OPTS} "${FDPPKGDIR}/doc-date.xsl" "$RPMINFO"
    else
	echo -n TBD
    fi
    echo
}

iso2date()	{
	# Convert ISO format date (YYYY-MM-DD) to ctime(3)
	# format, which is needed by the "rpm-info.xml" <revision@date>
	case "$#" in
	0 )	echo -e "usage: iso2date YYYY-MM-DD ..." 	>&2
		echo -e "\tiso2date YYYY-MM-DD"			>&2
		echo -e "\tiso2date today"			>&2
		return 1
		;;
	1 )	multi=0;;
	* )	multi=1;;
	esac
	for x in $@
	do
		if [ ${multi} -eq 1 ]; then
			echo -ne "${x}\t"
		fi
		date -d "${x}" +'%a %b %d %Y'
	done
}

get_latest_revision() {
    version $@
}

get_latest_date() {
    date $@
}

validate_rpm_info()	{
	xmllint --noout --valid ${RPMINFO} && echo ${RPMINFO} OK
}

apply_po()	{
	if [ $# -ne 1 ]; then
		echo "usage: apply_po filename.xml">&2
	fi
	POFILE=`/usr/bin/dirname "$1"`/`/bin/basename "$1" .xml`.po
	if [ ! -f "${POFILE}" ]; then
		echo "apply_po: file '${POFILE}' not found." >&2
		return 1
	fi
	xml2po -p "${POFILE}" "$1"
}

prettyprint()	{
	${XMLFORMAT} ${XMLFOPTS} $@
}


# Local variables:
# mode: sh
# End: