#!/bin/sh

# This definition is changed on install to match the
# executable name set in the makefile
GS_EXECUTABLE=gs
gs="`dirname \"$0\"`/$GS_EXECUTABLE"
if test ! -x "$gs"; then
gs="$GS_EXECUTABLE"
fi
GS_EXECUTABLE="$gs"

# try to create a temporary file securely
if test -z "$TMPDIR"; then
TMPDIR=/tmp
fi
if which mktemp >/dev/null 2>/dev/null; then
tmpfile="`mktemp $TMPDIR/ps2epsi.XXXXXX`"
else
tmpdir=$TMPDIR/ps2epsi.$$
(umask 077 && mkdir "$tmpdir")
if test ! -d "$tmpdir"; then
echo "failed: could not create temporary file"
exit 1
fi
tmpfile="$tmpdir"/ps2epsi$$
fi
trap "rm -rf \"$tmpfile\"" 0 1 2 3 7 13 15

export outfile

if [ $# -lt 1 -o $# -gt 2 ]; then
echo "Usage: `basename \"$0\"` file.ps [file.epsi]" 1>&2
exit 1
fi

infile=$1;

if [ $# -eq 1 ]
then
case "${infile}" in
*.ps) base=`basename "${infile}" .ps` ;;
*.cps) base=`basename "${infile}" .cps` ;;
*.eps) base=`basename "${infile}" .eps` ;;
*.epsf) base=`basename "${infile}" .epsf` ;;
*) base=`basename "${infile}"` ;;
esac
outfile=${base}.epsi
else
outfile=$2
fi

"$GS_EXECUTABLE" -q -dBATCH -dNOPAUSE -P- -sDEVICE=bbox -sOutputFile=/dev/null "${infile}" 2>${outfile}

ls -l "${infile}" |
awk 'F==1 {
cd="%%CreationDate: " $6 " " $7 " " $8;
t="%%Title: " $9;
f="%%For:" U " " $3;
c="%%Creator: Ghostscript ps2epsi from " $9;
next;
}
/^%!/ {next;}
/^%%Title:/ {t=$0; next;}
/^%%Creator:/ {c=$0; next;}
/^%%CreationDate:/ {cd=$0; next;}
/^%%For:/ {f=$0; next;}
!/^%/ {
print "/ps2edict 30 dict def";
print "ps2edict begin";
print "/epsititle (" t "\\n) def";
print "/epsicreator (" c "\\n) def";
print "/epsicrdt (" cd "\\n) def";
print "/epsifor (" f "\\n) def";
exit(0);
}
' U="$USERNAME$LOGNAME" F=1 - F=2 "${infile}" >"$tmpfile"

ls -l "${outfile}" |
awk 'F==1 {
b="%%BoundingBox: 0 0 0 0\\n";
}
/^%%BoundingBox:/ {b=$0; next;}
/^%%HiResBoundingBox:/ {
hb=$0;
print "ps2edict where {pop} {/ps2edict 30 dict def} ifelse";
print "ps2edict begin";
print "/BBoxString (" b "\\n) def";
print "/HiresBBoxString (" hb "\\n) def";
print "end";
exit(0);
}
' F=1 - F=2 "${outfile}" >>"$tmpfile"

"$GS_EXECUTABLE" -q -dNOPAUSE -P- -r72 -sDEVICE=bit -sOutputFile=/dev/null "$tmpfile" ps2epsi.ps "$tmpfile" <"${infile}" 1>&2
rm -f "$tmpfile"
rm -rf "$tmpdir"

(
cat << BEGINEPS
save countdictstack mark newpath /showpage {} def /setpagedevice /pop load def
%%EndProlog
%%Page 1 1
BEGINEPS

cat "${infile}" |
LC_ALL=C \
sed -e '/^%%BeginPreview:/,/^%%EndPreview[^!-\~]*$/d' -e '/^%!PS-Adobe/d'\
-e '/^%%[A-Za-z][A-Za-z]*[^!-\~]*$/d' -e '/^%%[A-Za-z][A-Za-z]*: /d'

cat << ENDEPS
%%Trailer
cleartomark countdictstack exch sub { end } repeat restore
%%EOF
ENDEPS

) >> "${outfile}"

exit 0