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#! /usr/bin/env perl
# groff_lilypond - integrate lilypond into groff files
# Source file position: <groff-source>/contrib/lilypond/groff_lilypond.pl
# Installed position: <prefix>/bin/groff_lilypond
# Copyright (C) 2013 Free Software Foundation, Inc.
# Written by Bernd Warken <groff-bernd.warken-72@web.de>.
# Last update: 09 Feb 2013
# This file is part of `groff'.
# `groff' 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 of the License, or
# (at your option) any later version.
# `groff' 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, see <http://www.gnu.org/licenses/>.
########################################################################
use strict;
use warnings;
sub version {
print "groff_lilypond version 0.1 is part of groff\n";
}
sub usage {
print <<EOF
groff_lilypond [filename]
groff_lilypond -h|--help
groff_lilypond -v|--version
Read a roff file or standard input and transform `lilypond' parts
(everything between `.lilypond start' and `.lilypond end')
into temporary EPS-files that can be read by groff using `.PSPIC'.
See groff_lilypond(1)
EOF
}
foreach (@ARGV) {
if (/(-v|--version)/) {
&version;
goto QUIT;
} elsif (/(-h)|--help/) {
&usage;
goto QUIT;
}
}
my $tempdir;
{
my @tempdirs = ('/tmp', $ENV{'HOME'} . '/tmp');
foreach (reverse @tempdirs) {
if (-w) {
s<$></>;
s</+></>g;
my $sub = $_;
my $groff_tempdir = $sub . 'groff';
if (-e $groff_tempdir) {
if (-w $groff_tempdir) {
$tempdir = $groff_tempdir;
} else {
$tempdir = $sub;
}
} else {
if (mkdir $groff_tempdir, oct("0700")) {
$tempdir = $groff_tempdir;
} else {
$tempdir = $sub;
}
}
last;
}
}
}
$tempdir =~ s(/*$)(/);
my $file_time;
{
use Time::HiRes qw[];
(my $second, my $micro_second) = Time::HiRes::gettimeofday();
$file_time = $second . $micro_second;
}
my $file_prefix = $tempdir . 'lilypond' . '_' . $file_time . '_';
my $file_number = 0;
my $file_numbered;
my $file_ly;
my $lilypond_mode = 0;
foreach (<>) {
chomp;
if (/^\.\s*lilypond\s+start/) {
die "Line `.lilypond stop' expected." if ($lilypond_mode);
$lilypond_mode = 1;
$file_number++;
$file_numbered = $file_prefix . $file_number;
$file_ly = $file_numbered . '.ly';
open FILE_LY, ">", $file_ly or
die "cannot open .ly file: $!";
next;
} elsif (/^\.\s*lilypond\s+stop/) {
die "Line `.lilypond start' expected." unless ($lilypond_mode);
$lilypond_mode = 0;
close FILE_LY;
system "lilypond", "--pdf", "--output=$file_numbered", $file_ly and
die 'Program lilypond does not work.';
# .pdf is added automatically
system 'pdf2ps', $file_numbered . '.pdf', $file_numbered . '.ps' and
die 'Program pdf2ps does not work.';
system 'ps2eps', $file_numbered . '.ps' and
die 'Program ps2eps does not work.';
print '.PSPIC ' . $file_numbered . '.eps' . "\n";
next;
} elsif ($lilypond_mode) {
print FILE_LY $_ . "\n";
} else {
print $_ . "\n";
}
}
unlink glob $file_prefix . "*.[a-df-z]*";
QUIT:
|
