diff options
Diffstat (limited to 'contrib/fixps.in')
| -rw-r--r-- | contrib/fixps.in | 242 |
1 files changed, 16 insertions, 226 deletions
diff --git a/contrib/fixps.in b/contrib/fixps.in index 6c06825..18f33e3 100644 --- a/contrib/fixps.in +++ b/contrib/fixps.in @@ -1,26 +1,28 @@ -#! /bin/sh -e +#!/usr/bin/env sh # fixps --- fix as much as possible PS errors that break the psutils -# Copyright (c) 1998-2000 Akim Demaille, Miguel Santana +# Copyright 1998-2023 Free Software Foundation, Inc. # 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 3, 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, you can either send email to this -# program's maintainer or write to: The Free Software Foundation, -# Inc.; 59 Temple Place, Suite 330; Boston, MA 02111-1307, USA. +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA +# 02110-1301, USA. # Author: Akim Demaille <Akim.Demaille@freefriends.org> +set -e + # Get the name of the program program=`echo $0 | sed 's#.*/##g'` @@ -35,17 +37,17 @@ if ($gs -v) >/dev/null 2>&1; then :; else gs= fi output=- # Default is stdout -run_gs=0 -# What action to perform: fixps, cat, check, and gs -task=fixps +# What action to perform: cat, check, and gs +task=gs tmpdir=`mktemp -d -t fixps.XXXXXX` || { echo "$program: Cannot create temporary dir!" >&2 ; exit 1; } verbose=echo # The version/usage strings -version="fixps 1.5 (@GNU_PACKAGE@ @VERSION@) +version="fixps 1.6 (@GNU_PACKAGE@ @VERSION@) Written by Akim Demaille. Copyright (c) 1998-2000 Akim Demaille, Miguel Santana +Copyright (c) 2023 Reuben Thomas This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." @@ -58,33 +60,14 @@ Options: -v, --version display version information and exit -q, --quiet don't print informational messages -o, --output=FILE save result in FILE. If FILE is \`-', send to stdout - -f, --force force full rewrite by ghostscript - -n, --no-fix don't fix the FILE, but still honor \`-o' -c, --check, --dry-run don't perform any action -Fixes: - - Remove junk before and after PostScript content - - Use only Unix end of lines (\\n) - - Remove empty lines - - Fix Apple prologue (fixmacps) - - Fix FrameMaker prologue (fixfmps) - - Fix CorelDraw prologue (fixnt) - - Fix Windows NT 3.5/4.0 prologue (fixnt) - - Fix Windows 95 prologue - - Ensure there is a \`%%BeginSetup/%%EndSetup' section - - Removes Canvas' extraneaous \`%%EndDocument:' comments - - Split too long lines - -If the FILE seems really in a bad state, ghostscript may be used to perform -a full rewrite. The output might then be significantly bigger, but much -safer. - Report bugs to <bug-a2ps@gnu.org>" help="Try \`$program --help' for more information." # Parse command line arguments. -option_without_arguments='vhsqDfn' +option_without_arguments='vhqc' # Push a token among the arguments that will be used to notice when # we ended options/arguments parsing. @@ -133,21 +116,11 @@ while test "x$1" != "x$arg_sep"; do case "$1" in -v | --v*) echo "$version"; exit 0;; -h | --h*) echo "$usage"; exit 0;; - -q | -s | --s* | --q*) verbose=:;; + -q | --q*) verbose=:;; # Delay debugging so that options parsing does not appear -D | --debug) debug=: ;; -o | --output) shift ; output=$1 ;; -c | --check | --dry-run) task=check ;; - -n | --no-fix) task=cat ;; - -f | --force) - # Refuse if gs does not seem to work - if test "x$gs" = x; then - echo "$program: error: ghostscript does not work." >&2 - exit 1 - else - run_gs=1 - fi - ;; -) # We are working with stdin ;; set dummy "$@" "$1"; shift;; @@ -191,192 +164,12 @@ else trap "/bin/rm -rf $tmpdir" 0 1 2 3 13 15 fi -fixps_sed=$tmpdir/fixps.sed - # If printing from stdin, save into a tmp file if test $file = '-'; then file=$tmpdir/stdin.ps cat >$file fi -## -------------- ## -## Global fixes. ## -## -------------- ## - -# 1. Extract what looks like a real PS file, i.e. something between -# a "%!" and a "%%EOF". If the latter is not present, go until -# the end of the file. -# It typically remove JCL junk, but also permits to print the PS content -# of a mail without having to remove by hand what is not part of the PS. -# Beware of the non Unix end of lines. -if sed 1q $file | grep '^%!' >/dev/null; then :; else - fix=1 - $verbose "$program: removing junk around PostScript content." >&2 - $verbose "$program: fixing broken magic number." >&2 - # At the same time, make sure the first line does start by - # a valid magic number. Use only '\n'. - tr '\015' '\012' < $file | sed -n -e '/%!/,/^%%EOF$/{ - s/^.*%!/%!/ - s/^%!$/%!PS/ - p -}' > $tmpdir/fixed-$fix.ps - file=$tmpdir/fixed-$fix.ps -fi - -# If at this point the file does not start with a real PostScript -# magic number, fail -if sed 1q $file | grep '^%!' >/dev/null; then :; else - echo "$program: error: the file seems not to be PostScript." >&2 - exit 1 -fi - - - - - -## ------------------------------------------------------- ## -## After this comment everything can be done with a pipe. ## -## ------------------------------------------------------- ## - - -: >$fixps_sed - -# For a start, use only '\n'. Don't try to remove multiple end of -# line, since you may break valid PostScript code (think of binary -# sections). -command="tr '\015' '\012' < $file | sed -f $fixps_sed" - -# 1. Broken end-of-line (Mac?) -if sed 20q $file | grep '
%%' > /dev/null; then - $verbose "$program: fixing Macintosh broken end of line." >&2 -fi - -# 2. Remove the ^M$, because they prevent some parsers to work normally -if sed 20q $file | grep '
$' > /dev/null; then #' - $verbose "$program: fixing PC broken end of line." >&2 -fi - - -## ------------------------------ ## -## Fixes on prologues/structure. ## -## ------------------------------ ## - - -# Put in $COMMENT everything we will need to find out the nature -# of the file. (This is to speed up the processind) -# Fetch all the lines with ``%%'' at the beginning, but -# also words `FMDEFINE' -comments=`eval "$command" | sed -ne '1p;/^%%/p;/FMDEFINEFONT/p;/FMBEGINPAGE/p'` - -# If the file does not appear to have enough of the DSC features, just -# let it be rewritten by gs. -if echo "$comments" | grep "EPSF" >/dev/null 2>&1; then - # EPS files need at least the BBox - patterns="^%%BoundingBox:"; -else - # PS files really need page separation information - patterns="^%%Pages: ^%%Page:" -fi - -# If some required DSC comments are not present, ask for a full rewrite. -for pattern in $patterns -do - if echo "$comments" | grep "$pattern" >/dev/null; then :; else - $verbose "$program: DSC broken. $gs will be asked a full rewrite of the file." >&2 - run_gs=1 - break; - fi -done - -if test $run_gs = 1 && test "x$gs" = x; then - echo "$program: warning: cannot run gs, except failures downstream." >&2 - run_gs=0 -fi - -# The cleanup is to be made by hand. -if test $run_gs = 0; then - # If there are lines too long, split them. - maxlen_awk=$tmpdir/maxlen.awk - cat >$maxlen_awk <<EOF -length > max { max = length ; } -END { print max ; } -EOF - # Compute the max line length. - maxlen=`eval "$command" | awk -f $maxlen_awk` - if test "$maxlen" -ge "128"; then - cutline_sed=$tmpdir/cut.sed - # A script that split in piece hexa lines longer than 81 chars. - cat >$cutline_sed <<'EOF' -/^[A-Fa-f0-9]\{81,\}$/b big - p - b -:big - h - s/^\([A-Fa-f0-9]\{72\}\).*/\1/ - p - g - s/^[A-Fa-f0-9]\{72\}\(.*\)/\1/ -t big -EOF - $verbose "$program: splitting lines too long." >&2 - command="$command | sed -n -f $cutline_sed" - fi - - # 7. Broken AppleDict procset - if echo $comments | fgrep 'AppleDict' > /dev/null; then - $verbose "$program: fixing Macintosh broken prologue." >&2 - command="$command | fixmacps" - fi - - # 8. Broken Frame Maker procset - if echo $comments | fgrep 'Frame' > /dev/null; then - $verbose "$program: fixing Frame Maker broken prologue." >&2 - command="$command | fixfmps" - fi - - # 9. Broken CorelDRAW ps, with fixnt - if echo "$comments" | grep '^%%Title:.*CorelDRAW' > /dev/null; then - $verbose "$program: fixing CorelDRAW broken prologue." >&2 - command="$command | fixnt" - # 10. Broken Windows NT 4.0 ps, still fixnt - elif echo "$comments" | grep 'NTPSOct95' > /dev/null; then - $verbose "$program: fixing Windows NT 4.0 broken PostScript." >&2 - command="$command | fixnt" - # 11. Broken Windows NT 3.5 ps, yet another fixnt - elif echo "$comments" | grep 'NTPSOct94' > /dev/null; then - $verbose "$program: fixing Windows NT 3.5 broken PostScript." >&2 - echo 's/NTPSOct94/NTPSOct95/g' >>$fixps_sed - command="$command | fixnt" - fi - - # 12. Broken Windows 95 PS driver v4.0 - if echo "$comments" | grep 'Pscript_Win_Utils' > /dev/null; then - $verbose "$program: fixing Broken Windows 95 PS driver v4.0 prologue." >&2 - echo 's!|/LH/showpage ,!|/LH {showpage}!' >>$fixps_sed - fi - - # 14. Canvas' superfluous `EndDocument:' - if echo "$comments" | grep 'CanvasDict' >/dev/null; then - $verbose "$program: removing Canvas' extraneous \`%%EndDocument:' comment." >&2 - echo '/^%%EndDocument:/d' >>$fixps_sed - fi - - # This should be the last one. - # 13. Missing BeginSetup/EndSetup - if echo "$comments" | grep '^%%BeginSetup' >/dev/null; then :; else - $verbose "$program: adding a %%BeginSetup/%%EndSetup section." >&2 - # Because the command will be `eval'ed, it is hard to keep the eol. - # Making a script is much easier. - cat >>$fixps_sed <<EOF -/^%%EndProlog/a\\ -%%BeginSetup\\ -%%EndSetup -EOF - fi -fi - -test $run_gs = 1 && task=gs - # For dry runs, the output should not even be redirected if test $task != check; then ( @@ -384,12 +177,9 @@ if test $task != check; then case $task in cat) cat "$file" ;; - fixps) - # FIXME: We should fail when the program fails - eval "$command" ;; gs) $verbose "$program: making a full rewrite of the file ($gs)." >&2 - $gs -q -dSAFER -dNOPAUSE -dBATCH -sDEVICE=pswrite -sOutputFile=- -c save pop -f $file ;; + $gs -q -dSAFER -dNOPAUSE -dBATCH -sDEVICE=ps2write -sOutputFile=- -c save pop -f $file ;; esac ) fi |