X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=xfonts-traditional.git;a=blobdiff_plain;f=update-xfonts-traditional;h=839cc1827cf678d595e3a43d1b8e7d6f6ad8c365;hp=1daa70c313fcab58f8e744c934ab11a1ac5531d2;hb=a0ceefde775b5c73f4108f8c3a33d78cb2874a78;hpb=1b17f3ec12711c9c005fabc01735eeb399a07305

diff --git a/update-xfonts-traditional b/update-xfonts-traditional
index 1daa70c..839cc18 100755
--- a/update-xfonts-traditional
+++ b/update-xfonts-traditional
@@ -3,22 +3,34 @@ use strict;
 use POSIX;
 use IO::File;
 use Getopt::Long;
+use File::Glob qw(:glob);
+use Data::Dumper;
+use IO::Pipe;
+use File::Find;
 
 our $prefix="/usr/local";
 our $package='xfonts-traditional';
 our $sharedir="$prefix/share/$package";
-our @fontsdirs=qw(/usr/share/fonts/X11 /usr/local/share/fonts/X11);
+our @fonttrees=qw(/usr/share/fonts/X11 /usr/local/share/fonts/X11);
+our $donefile="$package.done";
+our $logfile="$package.log";
+our $fontprefix="trad--";
 our @rulespath;
 our $mode;
 our %foundrymap;
 our $verbose=0;
 our $reportfh;
+our $foundryinfo;
 
 sub reportloaded {
     return unless $verbose;
     print $reportfh @_,"\n" or die $!;
 }
 
+sub statsummary () {
+    return join ' ', ((stat _)[1,7,9,10]);
+}
+
 sub loadrules ($) {
     my ($key) = @_;
     our %cache;
@@ -37,8 +49,8 @@ sub loadrules ($) {
     return $cache{$key}=undef;
 }
 
-sub processbdf ($$$) {
-    my ($inbdf,$outbdf,$what) = @_;
+sub processbdf ($$$$) {
+    my ($inbdf,$outbdf,$logfile,$what) = @_;
     my $state='idle';
     my ($foundry,$font);
     my ($w,$h,$xo,$yo,$y,$bitmap,$glyph);
@@ -73,7 +85,7 @@ sub processbdf ($$$) {
 	}
 	if ($state eq 'idle' && m/^FONT\s+/) {
 	    die if defined $font;
-	    return 0 unless m/^(FONT\s+)\-(\w+)\-/;
+	    return (0,'simple font name') unless m/^(FONT\s+)\-(\w+)\-/;
 	    $font = $foundrymap{lc $2};
 	    return (0,'no foundry') unless defined $font;
 	    $_ = "FONT -$font-$'";
@@ -102,31 +114,24 @@ sub processbdf ($$$) {
     die $! if $outbdf->error or !$outbdf->flush;
     die unless $state eq 'idle';
     if ($modified) {
-	printf $reportfh "%s: %d glyphs changed\n", $what, $modified
+	printf $logfile "%s: %d glyphs changed\n", $what, $modified
 	    or die $!;
     } else {
-	printf $reportfh "%s: unchanged - no rules matched\n", $what
+	printf $logfile "%s: unchanged - no rules matched\n", $what
 	    or die $!;
     }
     return $modified;
 }
 
-our (@options)=(
-    'R|rules-include=s@' => \@rulespath,
-    'share-dir=s' => \$sharedir,
-    'verbose|v+' => \$verbose,
-    );
-
-sub define_mode ($$) {
-    my ($optname,$f) = @_;
-    push @options, $optname, sub {
-	die "only one mode may be specified\n" if defined $mode;
-	$mode=$f;
-    };
-}
-
 sub loadfoundries () {
+    $foundryinfo = '';
     foreach my $path (@rulespath) {
+	if (!stat $path) {
+	    die "$path $!" unless $!==&ENOENT;
+	    next;
+	}
+	$foundryinfo .= statsummary().' '.$path."\0\n";
+
 	my $p = "$path/foundries";
 	my $f = new IO::File $p;
 	if (!$f) {
@@ -134,6 +139,7 @@ sub loadfoundries () {
 	    print $reportfh "foundries: none in $p\n" or die $! if $verbose;
 	    next;
 	}
+	stat $f or die $!;
 	while (<$f>) {
 	    s/^\s*//; s/\s+$//;
 	    next if m/^\#/;
@@ -148,22 +154,256 @@ sub loadfoundries () {
     die "no foundry maps\n" unless %foundrymap;
 }
 
+sub processpcfgz ($$$$) {
+    my ($inpcfgz,$outpcfgz,$logfile,$what) = @_;
+
+    my $current = new IO::File $inpcfgz, '<' or die "$inpcfgz $!";
+    my ($usread,$uswrite);
+    my ($reader,$writer);
+    my @children;
+    foreach my $proc (['gunzip'], ['pcf2bdf'], [],
+		      ['bdftopcf'],['',qw(gzip -1)]) {
+	my $isfinal = (@$proc && $proc->[0] eq '');
+	if (!$isfinal) {
+	    $reader = new IO::Handle or die $!;
+	    $writer = new IO::Handle or die $!;
+	    new IO::Pipe($reader,$writer) or die $!;
+	} else {
+	    shift @$proc;
+	    $reader = undef;
+	    $writer = new IO::File $outpcfgz, '>' or die "$outpcfgz $!";
+	}
+	if (@$proc) {
+	    my $exe = $proc->[0];
+	    my $child = fork;  defined $child or die $!;
+	    if (!$child) {
+		open STDIN, '<&', $current or die $!;
+		open STDOUT, '>&', $writer or die $!;
+		if (!$isfinal) {
+		    close $reader or die $!;
+		}
+		close $usread or die $! if $usread;
+		close $uswrite or die $! if $uswrite;
+		exec $exe @$proc or die "$exe $!";
+	    }
+	    push @children, [ $child, $exe, defined $usread ];
+	    close $current or die $!;
+	    close $writer or die $!;
+	    $current = $reader;
+	} else {
+	    $usread = $current;
+	    $uswrite = $writer;
+	    $current = $reader;
+	}
+    }
+    my $r = processbdf($usread,$uswrite,$logfile,$what);
+    my $none = $r !~ m/^\d/;
+    if ($none) {
+	flush $uswrite or die $!;
+    } else {
+	close $uswrite or die $!;
+    }
+    close $usread or die $!;
+    foreach my $chinfo (@children) {
+	my ($child,$exe,$isoutput)=@$chinfo;
+	my $sigok = 0;
+	if ($none) {
+	    if ($isoutput) {
+		$sigok = 9;
+		kill 9, $child or die "$child $!";
+	    } else {
+		$sigok = 13;
+	    }
+	}
+	$!=0; waitpid($child, 0) == $child or die "$child $!";
+	!$? or ($?&~128)==$sigok or die "$exe [$child] $sigok $?";
+    }
+    return $r;
+}
+
+sub processfontdir ($) {
+    my ($fontdir) = @_;
+    if (!opendir FD, $fontdir) {
+	die "$fontdir $!" unless $!==&ENOENT;
+	return;
+    }
+    my $changed = 0;
+    my $olddone = do "$fontdir/$donefile";
+    if (!$olddone) {
+	die "$fontdir $! $@ " unless $!==&ENOENT;
+    }
+    if ($olddone && $olddone->{''} ne $foundryinfo) {
+	our $repro_reported;
+	print $reportfh "reprocessing fonts (rules updated)\n" or die $!
+	    unless $repro_reported++;
+	$olddone = undef;
+    }
+    if (!$olddone) {
+	$olddone = { };
+	$changed = 1;
+    }
+    my $newdone = { '' => $foundryinfo };
+    my $log = new IO::File "$fontdir/$logfile", "w" 
+	or die "$fontdir/$logfile $!";
+    my %outfiles; # bitmask: 1 /*exists*/ | 2 /*wanted*/
+    my $updated=0;
+    my $reported=0;
+    my $anypcfs=0;
+
+    flush $reportfh or die $!;
+    while (my $dent = scalar readdir FD) {
+	if ($dent =~ m/^\Q$fontprefix\E.*\.new$/) {
+	    unlink "$fontdir/$dent" or $!==&ENOENT or die "$fontdir $dent $!";
+	    next;
+	}
+	next unless $dent =~ m/^[^.\/].*\.pcf\.gz$/;
+	print $reportfh "processing $fontdir...\n" or die $!
+	    unless $reported++;
+	if ($dent =~ m/^\Q$fontprefix/) {
+	    $outfiles{$dent} |= 1;
+	    next;
+	}
+	if (!stat "$fontdir/$dent") {
+	    die "$fontdir $dent $!" unless $!==&ENOENT;
+	    next;
+	}
+	die "$fontdir $dent" unless -f _;
+	$anypcfs++;
+
+	my $stats = statsummary();
+	my $tdone = $olddone->{$dent};
+	my $outdent = $fontprefix.$dent;
+	if (defined $tdone && $tdone eq $stats) {
+	    $outfiles{$outdent} |= 2;
+	    $newdone->{$dent} = $stats;
+	    next;
+	}
+
+	my $r = processpcfgz("$fontdir/$dent",
+			     "$fontdir/$outdent.new",
+			     $log, $dent);
+	if ($r !~ m/^\d/) {
+	    printf $log "%s: unchanged - %s\n", $dent, $r;
+	    unlink "$fontdir/$outdent.new" or die "$fontdir $outdent $!";
+	} else {
+	    rename "$fontdir/$outdent.new", "$fontdir/$outdent"
+		or die "$fontdir $outdent $!";
+	    $updated++;
+	    $outfiles{$outdent} |= 3;
+	}
+	$newdone->{$dent} = $stats;
+	$changed = 1;
+    }
+    my $affected=0;
+    foreach my $olddent (keys %outfiles) {
+	my $state = $outfiles{$olddent};
+	if ($state & 2) {
+	    $affected++ if $state & 1;
+	    next;
+	}
+	unlink "$fontdir/$olddent" or die "$fontdir $olddent $!";
+	$changed = 1;
+	$updated++;
+    }
+    if (!stat "$fontdir/fonts.dir") {
+	$!==&ENOENT or die "$fontdir $!";
+    } else {
+	$!=0; $?=0; system 'mkfontdir',$fontdir;
+	die "$fontdir $? $!" if $? or $!;
+    }
+    if (!$anypcfs) {
+	unlink "$fontdir/$logfile" or die "$fontdir $!";
+	unlink "$fontdir/$donefile" or $!==&ENOENT or die "$fontdir $!";
+    } elsif ($changed) {
+	my $newdoneh = new IO::File "$fontdir/$donefile.new", 'w' 
+	    or die "$fontdir $!";
+	print $newdoneh Dumper($newdone) or die "$fontdir $!";
+	close $newdoneh or die "$fontdir $!";
+	rename "$fontdir/$donefile.new","$fontdir/$donefile"
+	    or die "$fontdir $!";
+    }
+    if ($reported || %$newdone || $affected || $updated) {
+	printf " processed %s: %d pcfs, %d affected, %d updated.\n",
+            $fontdir, (scalar keys %$newdone), $affected, $updated;
+    }
+}
+
+sub processfonttree ($) {
+    my ($tree) = @_;
+    find({ follow => 1,
+	   dangling_symlinks => 0,
+	   no_chdir => 1,
+	   wanted => sub {
+	       return unless -d _;
+	       processfontdir($File::Find::name);
+	   }},
+	 $tree);
+}
+
 our $stdin = new IO::File '<&STDIN' or die $!;
 our $stdout = new IO::File '>&STDOUT' or die $!;
 our $stderr = new IO::File '>&STDERR' or die $!;
 $reportfh = $stdout;
 
+our (@options)=(
+    'R|rules-include=s@' => \@rulespath,
+    'share-dir=s' => \$sharedir,
+    'verbose|v+' => \$verbose,
+    );
+
+sub define_mode ($$) {
+    my ($optname,$f) = @_;
+    push @options, $optname, sub {
+	die "only one mode may be specified\n" if defined $mode;
+	$mode=$f;
+    };
+}
+
 define_mode('bdf-filter', sub {
     die "no arguments allowed with --bdf-filter\n" if @ARGV;
     $reportfh = $stderr;
     loadfoundries();
-    my $r = processbdf($stdin,$stdout,'stdin');
+    my $r = processbdf($stdin,$stdout,$reportfh,'stdin');
     if ($r !~ m/^\d/) {
 	print STDERR "stdin not processed: $r\n";
 	exit 2;
     }
 });
 
+define_mode('process-pcf', sub {
+    die "need source and destination pcf.gz\n" if @ARGV!=2;
+    loadfoundries();
+    my $r = processpcfgz($ARGV[0],$ARGV[1],$reportfh,"pcf");
+    if ($r !~ m/^\d/) {
+	print STDERR "pcf not processed: $r\n";
+	exit 2;
+    }
+});
+
+define_mode('process-fontdirs', sub {
+    die "need font dir(s)\n" unless @ARGV;
+    loadfoundries();
+    foreach my $d (@ARGV) {
+	processfontdir($d);
+    }
+});
+
+define_mode('process-fonttrees', sub {
+    die "need font tree(s)\n" unless @ARGV;
+    loadfoundries();
+    foreach my $d (@ARGV) {
+	processfonttree($d);
+    }
+});
+
+define_mode('update', sub {
+    die "no arguments allowed with --postinst\n" unless !@ARGV;
+    loadfoundries();
+    foreach my $d (@fonttrees) {
+	processfonttree($d);
+    }
+});
+
 Getopt::Long::Configure(qw(bundling));
 GetOptions(@options) or exit 127;
 
@@ -172,12 +412,3 @@ push @rulespath, "$sharedir/rules";
 die "need a mode\n" unless $mode;
 
 $mode->();
-
-#   70  zcat /usr/share/fonts/X11/misc/6x13.pcf.gz |pcf2bdf >in.bdf
-#   71  ./utility <in.bdf >out.bdf
-#   83  bdftopcf out.bdf >out.pcf
-#   84  gzip out.pcf 
-#   85  cp out.pcf.gz /usr/share/fonts/X11/misc/
-# really mkfontdir /usr/share/fonts/X11/misc/
-# xset fp rehash
-# xfontsel