#!/bin/sh
#                             A W F
# BRL-CAD
#
# Copyright (c) 2004-2007 United States Government as represented by
# the U.S. Army Research Laboratory.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
#
# 3. The name of the author may not be used to endorse or promote
# products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
# GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
###
path_to_this="`dirname $0`"

PATH=$path_to_this:/usr/brlcad/bin:/bin:/usr/bin:/usr/brlcad/bin ; export PATH

# AWFLIB is where the pieces live
if test -d /usr/brlcad/share/brlcad/7.10.0/awf ; then
    AWFLIB=${AWFLIB-/usr/brlcad/share/brlcad/7.10.0/awf}
elif test -d /usr/brlcad/share/brlcad/7.10.0/awf ; then
    AWFLIB=${AWFLIB-/usr/brlcad/share/brlcad/7.10.0/awf}
elif test -d ${path_to_this}/../share/brlcad/7.10.0/awf ; then
    AWFLIB=${AWFLIB-$path_to_this/../share/brlcad/7.10.0/awf}
fi

tmp=/tmp/awp$$			# tempfile for building pass 2
errs=/tmp/awe$$		# error messages (awk can't send to stderr)

case "$1" in
    -ms)
	mac=ms
	;;
    -man)
	mac=man
	;;
    *)
	echo "$0: must specify -ms or -man" >&2
	exit 2
	;;
esac
shift

dev="$AWFLIB/dev.$TERM"
if test ! -r $dev ; then
	dev="$AWFLIB/dev.dumb"
fi

trap "rm -f $tmp $errs ; exit 0" 0 1 2

# build the full, macro-set-dependent, pass-2 awk program
(
	sed -n '1,/^#include/p' $AWFLIB/pass2.base
	cat $AWFLIB/pass2.$mac
	sed -n '/^#include/,$p' $AWFLIB/pass2.base
) >$tmp

# do it
(
	echo ".^x $errs"
	echo ".^b"
	echo ".^# 1 <prolog>"
	cat $dev $AWFLIB/common $AWFLIB/mac.$mac
	if test " $*" = " " ; then
		echo ".^# 1 <stdin>"
		cat
	else
		for f ; do
			echo ".^# 1 $f"
			cat $f
		done
	fi
	echo ".^e"
) | awk -f $AWFLIB/pass1 | awk -f $tmp | awk -f $AWFLIB/pass3

# error messages, if any
if test -s $errs ; then
	cat $errs >&2
	exit 1
else
	exit 0
fi

# Local Variables:
# tab-width: 8
# mode: sh
# sh-indentation: 4
# sh-basic-offset: 4
# indent-tabs-mode: t
# End:
# ex: shiftwidth=4 tabstop=8
