| 1 | #!/usr/bin/perl -w |
| 2 | use strict; |
| 3 | use POSIX; |
| 4 | use IO::File; |
| 5 | use Getopt::Long; |
| 6 | use File::Glob qw(:glob); |
| 7 | use Data::Dumper; |
| 8 | use IO::Pipe; |
| 9 | use File::Find; |
| 10 | |
| 11 | our $prefix="/usr/local"; |
| 12 | our $package='xfonts-traditional'; |
| 13 | our $sharedir="$prefix/share/$package"; |
| 14 | our @fonttrees=qw(/usr/share/fonts/X11 /usr/local/share/fonts/X11); |
| 15 | our $donefile="$package.done"; |
| 16 | our $logfile="$package.log"; |
| 17 | our $fontprefix="trad--"; |
| 18 | our @rulespath; |
| 19 | our $mode; |
| 20 | our %foundrymap; |
| 21 | our $verbose=0; |
| 22 | our $reportfh; |
| 23 | our $foundryinfo; |
| 24 | our %props; |
| 25 | |
| 26 | sub reportloaded { |
| 27 | return unless $verbose; |
| 28 | print $reportfh @_,"\n" or die $!; |
| 29 | } |
| 30 | |
| 31 | sub statsummary () { |
| 32 | return join ' ', ((stat _)[1,7,9,10]); |
| 33 | } |
| 34 | |
| 35 | sub loadrules ($) { |
| 36 | my ($key) = @_; |
| 37 | our %cache; |
| 38 | my $fc=$cache{$key}; |
| 39 | return $fc if $fc; |
| 40 | foreach my $path (@rulespath) { |
| 41 | my $script="$path/$key.rules"; |
| 42 | $!=0; $@=''; my $f = do $script; |
| 43 | if (defined $f) { |
| 44 | reportloaded("rules: loaded ",$script); |
| 45 | $cache{$key}=$f; |
| 46 | return $f; |
| 47 | } |
| 48 | die "$! $? $script" unless $! == &ENOENT; |
| 49 | } |
| 50 | return $cache{$key}=undef; |
| 51 | } |
| 52 | |
| 53 | sub processbdf ($$$$) { |
| 54 | my ($inbdf,$outbdf,$logfile,$what) = @_; |
| 55 | my $state='idle'; |
| 56 | my ($foundry,$font); |
| 57 | my ($w,$h,$xo,$yo,$y,$bitmap,$glyph); |
| 58 | my $modified=0; |
| 59 | %props = (); |
| 60 | while (<$inbdf>) { |
| 61 | if ($state eq 'bitmap' && $y==$h) { |
| 62 | $glyph = uc $glyph; |
| 63 | $glyph =~ s/\;$//; |
| 64 | local ($_) = $glyph; |
| 65 | my $key= sprintf "%s,%d,%d,%d,%d", $foundry,$w,$h,$xo,$yo; |
| 66 | my $rules= loadrules($key); |
| 67 | return (0,'no rules') if !$rules; |
| 68 | $rules->(); |
| 69 | $modified += ($_ ne $glyph); |
| 70 | print $outbdf $_,"\n" or die $! |
| 71 | foreach split /\;/, $_; # /; |
| 72 | $state='idle'; |
| 73 | } |
| 74 | if ($state eq 'bitmap') { |
| 75 | m/^([0-9a-fA-F]+)\s+$/ or die $y; |
| 76 | length($1) == (($w+7 >> 3) << 1) or die "$1 $w"; |
| 77 | $glyph .= "$1;"; |
| 78 | $y++; |
| 79 | next; |
| 80 | } |
| 81 | if ($state eq 'idle' && m/^FOUNDRY\s+/) { |
| 82 | die if defined $foundry; |
| 83 | return (0,'foundry syntax') unless m/^FOUNDRY\s+\"(\w+)\"\s+/; |
| 84 | $foundry = $foundrymap{lc $1}; |
| 85 | return (0,'no foundry') unless defined $foundry; |
| 86 | $_ = "FOUNDRY \"$foundry\"\n"; |
| 87 | } |
| 88 | if ($state eq 'idle' && m/^FONT\s+/) { |
| 89 | die if defined $font; |
| 90 | return (0,'simple font name') unless m/^(FONT\s+)\-(\w+)\-/; |
| 91 | $font = $foundrymap{lc $2}; |
| 92 | return (0,'no foundry') unless defined $font; |
| 93 | $_ = "FONT -$font-$'"; |
| 94 | } |
| 95 | if ($state eq 'idle' && m/^STARTCHAR\s/) { |
| 96 | die unless defined $foundry; |
| 97 | die unless defined $font; |
| 98 | return (0,'foundry != font') unless $foundry eq $font; |
| 99 | $state='startchar'; |
| 100 | $w=undef; |
| 101 | } |
| 102 | if (($state eq 'idle' || $state eq 'startchar') && |
| 103 | m/^([A-Z_]+)\s+(.*\S)\s+$/) { |
| 104 | $props{$1}=$2; |
| 105 | } |
| 106 | if ($state eq 'startchar') { |
| 107 | if (m/^BBX\s+(\+?\d+)\s+(\+?\d+)\s+([-+]?\d+)\s+([-+]?\d+)\s+$/) { |
| 108 | ($w,$h,$xo,$yo) = ($1,$2,$3,$4); |
| 109 | } |
| 110 | if (m/^BITMAP\s+$/) { |
| 111 | die unless defined $w; |
| 112 | $y=0; |
| 113 | $glyph=''; |
| 114 | $state='bitmap'; |
| 115 | } |
| 116 | } |
| 117 | print $outbdf $_ or die $!; |
| 118 | } |
| 119 | die $! if $inbdf->error; |
| 120 | die $! if $outbdf->error or !$outbdf->flush; |
| 121 | die unless $state eq 'idle'; |
| 122 | if ($modified) { |
| 123 | printf $logfile "%s: %d glyphs changed\n", $what, $modified |
| 124 | or die $!; |
| 125 | } else { |
| 126 | printf $logfile "%s: unchanged - no rules matched\n", $what |
| 127 | or die $!; |
| 128 | } |
| 129 | return $modified; |
| 130 | } |
| 131 | |
| 132 | sub loadfoundries () { |
| 133 | $foundryinfo = ''; |
| 134 | foreach my $path (@rulespath) { |
| 135 | if (!stat $path) { |
| 136 | die "$path $!" unless $!==&ENOENT; |
| 137 | next; |
| 138 | } |
| 139 | $foundryinfo .= statsummary().' '.$path."\0\n"; |
| 140 | |
| 141 | my $p = "$path/foundries"; |
| 142 | my $f = new IO::File $p; |
| 143 | if (!$f) { |
| 144 | die "$p $!" unless $!==&ENOENT; |
| 145 | print $reportfh "foundries: none in $p\n" or die $! if $verbose; |
| 146 | next; |
| 147 | } |
| 148 | stat $f or die $!; |
| 149 | while (<$f>) { |
| 150 | s/^\s*//; s/\s+$//; |
| 151 | next if m/^\#/; |
| 152 | m/^(\w+)\s+(\w+)$/ or die; |
| 153 | my $k = lc $1; |
| 154 | next if exists $foundrymap{$k}; |
| 155 | $foundrymap{$k}=$2; |
| 156 | } |
| 157 | $f->error and die $!; |
| 158 | reportloaded('foundries: loaded ',$p); |
| 159 | } |
| 160 | die "no foundry maps\n" unless %foundrymap; |
| 161 | } |
| 162 | |
| 163 | sub processpcfgz ($$$$) { |
| 164 | my ($inpcfgz,$outpcfgz,$logfile,$what) = @_; |
| 165 | print $reportfh "processing $inpcfgz to $outpcfgz\n" if $verbose>=2; |
| 166 | my $current = new IO::File $inpcfgz, '<' or die "$inpcfgz $!"; |
| 167 | my ($usread,$uswrite); |
| 168 | my ($reader,$writer); |
| 169 | my @children; |
| 170 | foreach my $proc (['gunzip'], ['pcf2bdf'], [], |
| 171 | ['bdftopcf'],['',qw(gzip -1 -n)]) { |
| 172 | my $isfinal = (@$proc && $proc->[0] eq ''); |
| 173 | if (!$isfinal) { |
| 174 | $reader = new IO::Handle or die $!; |
| 175 | $writer = new IO::Handle or die $!; |
| 176 | new IO::Pipe($reader,$writer) or die $!; |
| 177 | } else { |
| 178 | shift @$proc; |
| 179 | $reader = undef; |
| 180 | $writer = new IO::File $outpcfgz, '>' or die "$outpcfgz $!"; |
| 181 | } |
| 182 | if (@$proc) { |
| 183 | my $exe = $proc->[0]; |
| 184 | my $child = fork; defined $child or die $!; |
| 185 | if (!$child) { |
| 186 | open STDIN, '<&', $current or die $!; |
| 187 | open STDOUT, '>&', $writer or die $!; |
| 188 | if (!$isfinal) { |
| 189 | close $reader or die $!; |
| 190 | } |
| 191 | close $usread or die $! if $usread; |
| 192 | close $uswrite or die $! if $uswrite; |
| 193 | exec $exe @$proc or die "$exe $!"; |
| 194 | } |
| 195 | push @children, [ $child, $exe, defined $usread ]; |
| 196 | close $current or die $!; |
| 197 | close $writer or die $!; |
| 198 | $current = $reader; |
| 199 | } else { |
| 200 | $usread = $current; |
| 201 | $uswrite = $writer; |
| 202 | $current = $reader; |
| 203 | } |
| 204 | } |
| 205 | my $r = processbdf($usread,$uswrite,$logfile,$what); |
| 206 | my $none = $r !~ m/^\d/; |
| 207 | if ($none) { |
| 208 | flush $uswrite or die $!; |
| 209 | } else { |
| 210 | close $uswrite or die $!; |
| 211 | } |
| 212 | close $usread or die $!; |
| 213 | foreach my $chinfo (@children) { |
| 214 | my ($child,$exe,$isoutput)=@$chinfo; |
| 215 | my $sigok = 0; |
| 216 | if ($none) { |
| 217 | if ($isoutput) { |
| 218 | $sigok = 9; |
| 219 | kill 9, $child or die "$child $!"; |
| 220 | } else { |
| 221 | $sigok = 13; |
| 222 | } |
| 223 | } |
| 224 | $!=0; waitpid($child, 0) == $child or die "$child $!"; |
| 225 | !$? or ($?&~128)==$sigok or die "$exe [$child] $sigok $?"; |
| 226 | } |
| 227 | return $r; |
| 228 | } |
| 229 | |
| 230 | sub processfontdir ($) { |
| 231 | my ($fontdir) = @_; |
| 232 | if (!opendir FD, $fontdir) { |
| 233 | die "$fontdir $!" unless $!==&ENOENT; |
| 234 | return; |
| 235 | } |
| 236 | my $changed = 0; |
| 237 | my $olddone = do "$fontdir/$donefile"; |
| 238 | if (!$olddone) { |
| 239 | die "$fontdir $! $@ " unless $!==&ENOENT; |
| 240 | } elsif ($olddone->{''} ne $foundryinfo) { |
| 241 | our $repro_reported; |
| 242 | print $reportfh "reprocessing fonts (rules updated)\n" or die $! |
| 243 | unless $repro_reported++; |
| 244 | $olddone = undef; |
| 245 | } |
| 246 | if (!$olddone) { |
| 247 | $olddone = { }; |
| 248 | $changed = 1; |
| 249 | } |
| 250 | my $newdone = { '' => $foundryinfo }; |
| 251 | my $log = new IO::File "$fontdir/$logfile", "w" |
| 252 | or die "$fontdir/$logfile $!"; |
| 253 | my %outfiles; # bitmask: 1 /*exists*/ | 2 /*wanted*/ |
| 254 | my $updated=0; |
| 255 | my $reported=0; |
| 256 | my $anypcfs=0; |
| 257 | |
| 258 | flush $reportfh or die $!; |
| 259 | while (my $dent = scalar readdir FD) { |
| 260 | if ($dent =~ m/^\Q$fontprefix\E.*\.new$/) { |
| 261 | unlink "$fontdir/$dent" or $!==&ENOENT or die "$fontdir $dent $!"; |
| 262 | next; |
| 263 | } |
| 264 | next unless $dent =~ m/^[^.\/].*\.pcf\.gz$/; |
| 265 | print $reportfh "processing $fontdir...\n" or die $! |
| 266 | unless $reported++; |
| 267 | if ($dent =~ m/^\Q$fontprefix/) { |
| 268 | $outfiles{$dent} |= 1; |
| 269 | next; |
| 270 | } |
| 271 | if (!stat "$fontdir/$dent") { |
| 272 | die "$fontdir $dent $!" unless $!==&ENOENT; |
| 273 | next; |
| 274 | } |
| 275 | die "$fontdir $dent" unless -f _; |
| 276 | $anypcfs++; |
| 277 | |
| 278 | my $stats = statsummary(); |
| 279 | my $tdone = $olddone->{$dent}; |
| 280 | my $outdent = $fontprefix.$dent; |
| 281 | if (defined $tdone && $tdone eq $stats) { |
| 282 | $outfiles{$outdent} |= 2; |
| 283 | $newdone->{$dent} = $stats; |
| 284 | next; |
| 285 | } |
| 286 | |
| 287 | my $r = processpcfgz("$fontdir/$dent", |
| 288 | "$fontdir/$outdent.new", |
| 289 | $log, $dent); |
| 290 | if ($r !~ m/^\d/) { |
| 291 | printf $log "%s: unchanged - %s\n", $dent, $r; |
| 292 | unlink "$fontdir/$outdent.new" or die "$fontdir $outdent $!"; |
| 293 | } else { |
| 294 | rename "$fontdir/$outdent.new", "$fontdir/$outdent" |
| 295 | or die "$fontdir $outdent $!"; |
| 296 | $updated++; |
| 297 | $outfiles{$outdent} |= 3; |
| 298 | } |
| 299 | $newdone->{$dent} = $stats; |
| 300 | $changed = 1; |
| 301 | } |
| 302 | my $affected=0; |
| 303 | foreach my $olddent (keys %outfiles) { |
| 304 | my $state = $outfiles{$olddent}; |
| 305 | if ($state & 2) { |
| 306 | $affected++ if $state & 1; |
| 307 | next; |
| 308 | } |
| 309 | unlink "$fontdir/$olddent" or die "$fontdir $olddent $!"; |
| 310 | $changed = 1; |
| 311 | $updated++; |
| 312 | } |
| 313 | if (!stat "$fontdir/fonts.dir") { |
| 314 | $!==&ENOENT or die "$fontdir $!"; |
| 315 | } else { |
| 316 | $!=0; $?=0; system 'mkfontdir',$fontdir; |
| 317 | die "$fontdir $? $!" if $? or $!; |
| 318 | } |
| 319 | if (!$anypcfs) { |
| 320 | unlink "$fontdir/$logfile" or die "$fontdir $!"; |
| 321 | unlink "$fontdir/$donefile" or $!==&ENOENT or die "$fontdir $!"; |
| 322 | } elsif ($changed) { |
| 323 | my $newdoneh = new IO::File "$fontdir/$donefile.new", 'w' |
| 324 | or die "$fontdir $!"; |
| 325 | print $newdoneh Dumper($newdone) or die "$fontdir $!"; |
| 326 | close $newdoneh or die "$fontdir $!"; |
| 327 | rename "$fontdir/$donefile.new","$fontdir/$donefile" |
| 328 | or die "$fontdir $!"; |
| 329 | } |
| 330 | if ($reported || %$newdone || $affected || $updated) { |
| 331 | printf " processed %s: %d pcfs, %d affected, %d updated.\n", |
| 332 | $fontdir, (scalar keys %$newdone), $affected, $updated; |
| 333 | } |
| 334 | } |
| 335 | |
| 336 | sub processfonttree ($) { |
| 337 | my ($tree) = @_; |
| 338 | find({ follow => 1, |
| 339 | dangling_symlinks => 0, |
| 340 | no_chdir => 1, |
| 341 | wanted => sub { |
| 342 | return unless -d _; |
| 343 | processfontdir($File::Find::name); |
| 344 | }}, |
| 345 | $tree); |
| 346 | } |
| 347 | |
| 348 | our $stdin = new IO::File '<&STDIN' or die $!; |
| 349 | our $stdout = new IO::File '>&STDOUT' or die $!; |
| 350 | our $stderr = new IO::File '>&STDERR' or die $!; |
| 351 | $reportfh = $stdout; |
| 352 | |
| 353 | our (@options)=( |
| 354 | 'R|rules-include=s@' => \@rulespath, |
| 355 | 'share-dir=s' => \$sharedir, |
| 356 | 'verbose|v+' => \$verbose, |
| 357 | ); |
| 358 | |
| 359 | sub define_mode ($$) { |
| 360 | my ($optname,$f) = @_; |
| 361 | push @options, $optname, sub { |
| 362 | die "only one mode may be specified\n" if defined $mode; |
| 363 | $mode=$f; |
| 364 | }; |
| 365 | } |
| 366 | |
| 367 | define_mode('bdf-filter', sub { |
| 368 | die "no arguments allowed with --bdf-filter\n" if @ARGV; |
| 369 | $reportfh = $stderr; |
| 370 | loadfoundries(); |
| 371 | my $r = processbdf($stdin,$stdout,$reportfh,'stdin'); |
| 372 | if ($r !~ m/^\d/) { |
| 373 | print STDERR "stdin not processed: $r\n"; |
| 374 | exit 2; |
| 375 | } |
| 376 | }); |
| 377 | |
| 378 | define_mode('process-pcf', sub { |
| 379 | die "need source and destination pcf.gz\n" if @ARGV!=2; |
| 380 | loadfoundries(); |
| 381 | my $r = processpcfgz($ARGV[0],$ARGV[1],$reportfh,"pcf"); |
| 382 | if ($r !~ m/^\d/) { |
| 383 | print STDERR "pcf not processed: $r\n"; |
| 384 | exit 2; |
| 385 | } |
| 386 | }); |
| 387 | |
| 388 | define_mode('process-fontdirs', sub { |
| 389 | die "need font dir(s)\n" unless @ARGV; |
| 390 | loadfoundries(); |
| 391 | foreach my $d (@ARGV) { |
| 392 | processfontdir($d); |
| 393 | } |
| 394 | }); |
| 395 | |
| 396 | define_mode('process-fonttrees', sub { |
| 397 | die "need font tree(s)\n" unless @ARGV; |
| 398 | loadfoundries(); |
| 399 | foreach my $d (@ARGV) { |
| 400 | processfonttree($d); |
| 401 | } |
| 402 | }); |
| 403 | |
| 404 | define_mode('update', sub { |
| 405 | die "no arguments allowed with --postinst\n" unless !@ARGV; |
| 406 | loadfoundries(); |
| 407 | foreach my $d (@fonttrees) { |
| 408 | processfonttree($d); |
| 409 | } |
| 410 | }); |
| 411 | |
| 412 | Getopt::Long::Configure(qw(bundling)); |
| 413 | GetOptions(@options) or exit 127; |
| 414 | |
| 415 | push @rulespath, "$sharedir/rules"; |
| 416 | |
| 417 | die "need a mode\n" unless $mode; |
| 418 | |
| 419 | $mode->(); |