diff options
Diffstat (limited to 'Build/source/texk/psutils/psutils-src/extractres')
-rwxr-xr-x | Build/source/texk/psutils/psutils-src/extractres | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/Build/source/texk/psutils/psutils-src/extractres b/Build/source/texk/psutils/psutils-src/extractres new file mode 100755 index 00000000000..87f8377b34d --- /dev/null +++ b/Build/source/texk/psutils/psutils-src/extractres @@ -0,0 +1,117 @@ +#!/usr/bin/env perl +# extractres: extract resources from PostScript file +# includeres: add resources to a PostScript file +# +# (c) Reuben Thomas 2012 +# (c) Angus J. C. Duggan 1991-1997 +# See file LICENSE for details. + +use strict; +use warnings; + +use File::Basename; +use Getopt::Long; + +my $prog = basename($0); + +# Resource extensions +my %extn = ("font" => ".pfa", "file" => ".ps", "procset" => ".ps", + "pattern" => ".pat", "form" => ".frm", "encoding" => ".enc"); +# Resource types +my %type = ("%%BeginFile:" => "file", "%%BeginProcSet:" => "procset", + "%%BeginFont:" => "font"); + +sub filename { # make filename for resource in @_ + my $name; + foreach (@_) { # sanitise name + s/[!()\$\#*&\\\|\`\'\"\~\{\}\[\]\<\>\?]//g; + $name .= $_; + } + $name =~ s@.*/@@; # drop directories + die "$prog: filename not found for resource ", join(" ", @_), "\n" + if $name =~ /^$/; + return $name; +} + +sub extract { + my %resources = (); # list of resources included + my %merge = (); # list of resources extracted this time + + my $merge; + unless (GetOptions('merge' => \$merge)) { + print STDERR "Usage: $prog [-merge] [FILE]\n"; + exit 1; + } + + my $prolog = ""; + my $body = ""; + my $resource = ""; + my $output = \$prolog; + my $saveout; + while (<>) { + if (/^%%BeginResource:/ || /^%%BeginFont:/ || /^%%BeginProcSet:/) { + my ($comment, @res) = split(/\s+/); # look at resource type + my $type = defined($type{$comment}) ? $type{$comment} : shift(@res); + my $name = filename(@res, $extn{$type}); # make file name + $saveout = $output; + if (!defined($resources{$name})) { + $prolog .= "%%IncludeResource: $type " . join(" ", @res) . "\n"; + if (!-e $name) { + open RES, ">$name" || die "$prog: can't write file `$name'\n"; + $resources{$name} = ""; + $merge{$name} = $merge; + $output = \$resources{$name}; + } else { # resource already exists + close(RES); + undef $output; + } + } elsif ($merge{$name}) { + open RES, ">>$name" || die "$prog: can't append to file `$name'\n"; + $resources{$name} = ""; + $output = \$resources{$name}; + } else { # resource already included + undef $output; + } + } elsif (/^%%EndResource/ || /^%%EndFont/ || /^%%EndProcSet/) { + if (defined $output) { + $$output .= $_; + print RES $$output; + } + $output = $saveout; + next; + } elsif ((/^%%EndProlog/ || /^%%BeginSetup/ || /^%%Page:/)) { + $output = \$body; + } + $$output .= $_ if defined $output; + } + + print $prolog . $body; +} + +sub include { + while (<>) { + if (/^%%IncludeResource:/ || /^%%IncludeFont:/ || /^%%IncludeProcSet:/) { + my ($comment, @res) = split(/\s+/); + my $type = defined($type{$comment}) ? $type{$comment} : shift(@res); + my $name = filename(@res); + if (open(RES, $name) || open(RES, "$name$extn{$type}")) { + print do { local $/; <RES> }; + close(RES); + } else { + print "%%IncludeResource: ", join(" ", $type, @res), "\n"; + print STDERR "$prog: resource `$name' not found\n"; + } + } else { + print $_; + } + } +} + +# Perform function according to name +if ($prog eq "extractres") { + extract(); +} elsif ($prog eq "includeres") { + include(); +} else { + die "$prog: I need to be called `extractres' or `includeres'\n"; +} |