cups-filters/SOURCES/lftocrlf
2023-11-15 03:28:02 +00:00

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#!/bin/bash
## Copyright (C) 2003-2006 Red Hat, Inc.
## Copyright (C) 2003-2006 Tim Waugh <twaugh@redhat.com>
## Changed on 2007/05/17, Opher Shachar, LADPC Ltd.
## Added support for page-ranges option.
## Added page accounting.
## This program is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License
## as published by the Free Software Foundation; either version 2
## of the License, or (at your option) any later version.
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
if [ $# == 0 ]; then
echo >&2 "ERROR: $0 job-id user title copies options [file]"
exit 1
fi
# Extract the papersize
SENDFF=`grep '^\*DefaultSendFF' "$PPD" | cut -d\ -f2`
COPIES=1
if [ $# -ge 4 ]; then
COPIES="$4"
fi
if [ $# -lt 6 ]; then
unset TMPFILE
trap -- 'rm -f "$TMPFILE"' EXIT
TMPFILE=$(mktemp ${TMPDIR:-/tmp}/lftocrlf.XXXXXX)
cat > "$TMPFILE"
else
TMPFILE="$6"
fi
PR=${5#*page-ranges=}
# Do options specify page-ranges?
if [[ "$PR" != "$5" ]]; then
PR=${PR%% *}
else
#unset PR
PR=1-999999
fi
if [[ "$PR" ]]; then
TMPFILE2=$(mktemp ${TMPDIR:-/tmp}/lftocrlf2.XXXXXX)
pagenum=0
EOF=
{
while [[ "$PR" ]]; do
pl=${PR%%,*} ;# take first subrange
PR=${PR#$pl};PR=${PR#,} ;# remove from range list
pu=${pl#*-} ;# extract upper and lower
pl=${pl%-*} ;# pages of subrange
# Allows interpreting 0-5,3-10 as 1-5,6-10 rejects 5-1 or 1-
(( pagenum >= pl )) && pl=$(( pagenum + 1 ))
(( pl > pu )) && continue
# Loop reading pages until at or over lower page of subrange.
while read -d `echo -ne '\f'` -r; do
(( pagenum++ ))
(( pagenum == pl )) && break
done
# Did we reach lower page of subrange or EOF?
if (( pagenum < pl )); then
[[ ! "$REPLY" ]] && break ;# empty last page - we're done.
(( pagenum++ ))
EOF=y
fi
# Output page and report to page log
if (( pagenum == pl )); then
echo -n "${REPLY}" >>"$TMPFILE2"
# If EOF then page has no final FF
[[ ! "$EOF" ]] && echo -ne '\f' >>"$TMPFILE2"
echo "PAGE: $pagenum $COPIES" >&2
fi
[[ "$EOF" ]] && break
# Is the current subrange a single page?
(( pagenum == pu )) && continue
while read -d `echo -ne '\f'` -r; do
(( pagenum++ ))
echo -ne "${REPLY}\f" >>"$TMPFILE2"
echo "PAGE: $pagenum $COPIES" >&2
(( pagenum == pu )) && break
done
# Could be that we reached EOF before page boundry
if (( pagenum < pu )); then
if [[ "$REPLY" ]]; then
(( pagenum++ ))
echo -n "${REPLY}" >>"$TMPFILE2"
echo "PAGE: $pagenum $COPIES" >&2
fi
break
fi
done
} <"$TMPFILE"
else
TMPFILE2="$TMPFILE"
pc=$(grep -co `echo -ne '\f'` "$TMPFILE2")
pc=$(( pc * $COPIES ))
echo "PAGE: $pc" >&2
fi
while [ "$COPIES" -gt 0 ]; do
# Just translate LF->CRLF at the moment, until the PPD has options added.
sed -e 's/$/'`echo -ne '\r'`'/g' "$TMPFILE2"
if [ "$SENDFF" == "True" ]
then
echo -ne \\014
fi
COPIES=$(($COPIES - 1))
done
# Cleanup
[[ "$TMPFILE" != "$TMPFILE2" ]] && rm -f "$TMPFILE2"
exit 0