Drop lots of legacy code. Support Python 3.7-3.11.

[librarian.git] / src / librarian / font-optimizer / ext / Font-TTF / lib / Font / TTF / Mort / Chain.pm

diff --git a/src/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Mort/Chain.pm b/src/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Mort/Chain.pm
deleted file mode 100644 (file)
index b8e7b93..0000000
--- a/src/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Mort/Chain.pm
+++ /dev/null
@@ -1,196 +0,0 @@
-package Font::TTF::Mort::Chain;
-
-=head1 NAME
-
-Font::TTF::Mort::Chain - Chain Mort subtable for AAT
-
-=cut
-
-use strict;
-use Font::TTF::Utils;
-use Font::TTF::AATutils;
-use Font::TTF::Mort::Subtable;
-use IO::File;
-
-=head2 $t->new
-
-=cut
-
-sub new
-{
-    my ($class, %parms) = @_;
-    my ($self) = {};
-    my ($p);
-
-    $class = ref($class) || $class;
-    foreach $p (keys %parms)
-    { $self->{" $p"} = $parms{$p}; }
-    bless $self, $class;
-}
-
-=head2 $t->read($fh)
-
-Reads the chain into memory
-
-=cut
-
-sub read
-{
-    my ($self, $fh) = @_;
-    my ($dat);
-
-    my $chainStart = $fh->tell();
-    $fh->read($dat, 12);
-    my ($defaultFlags, $chainLength, $nFeatureEntries, $nSubtables) = TTF_Unpack("LLSS", $dat);
-
-    my $featureEntries = [];
-    foreach (1 .. $nFeatureEntries) {
-        $fh->read($dat, 12);
-        my ($featureType, $featureSetting, $enableFlags, $disableFlags) = TTF_Unpack("SSLL", $dat);
-        push @$featureEntries,    {
-                                    'type'        => $featureType,
-                                    'setting'    => $featureSetting,
-                                    'enable'    => $enableFlags,
-                                    'disable'    => $disableFlags
-                                };
-    }
-
-    my $subtables = [];
-    foreach (1 .. $nSubtables) {
-        my $subtableStart = $fh->tell();
-        
-        $fh->read($dat, 8);
-        my ($length, $coverage, $subFeatureFlags) = TTF_Unpack("SSL", $dat);
-        my $type = $coverage & 0x0007;
-
-        my $subtable = Font::TTF::Mort::Subtable->create($type, $coverage, $subFeatureFlags, $length);
-        $subtable->read($fh);
-        $subtable->{' PARENT'} = $self;
-        
-        push @$subtables, $subtable;
-        $fh->seek($subtableStart + $length, IO::File::SEEK_SET);
-    }
-    
-    $self->{'defaultFlags'} = $defaultFlags;
-    $self->{'featureEntries'} = $featureEntries;
-    $self->{'subtables'} = $subtables;
-
-    $fh->seek($chainStart + $chainLength, IO::File::SEEK_SET);
-
-    $self;
-}
-
-=head2 $t->out($fh)
-
-Writes the table to a file either from memory or by copying
-
-=cut
-
-sub out
-{
-    my ($self, $fh) = @_;
-    
-    my $chainStart = $fh->tell();
-    my ($featureEntries, $subtables) = ($_->{'featureEntries'}, $_->{'subtables'});
-    $fh->print(TTF_Pack("LLSS", $_->{'defaultFlags'}, 0, scalar @$featureEntries, scalar @$subtables)); # placeholder for length
-    
-    foreach (@$featureEntries) {
-        $fh->print(TTF_Pack("SSLL", $_->{'type'}, $_->{'setting'}, $_->{'enable'}, $_->{'disable'}));
-    }
-    
-    foreach (@$subtables) {
-        $_->out($fh);
-    }
-    
-    my $chainLength = $fh->tell() - $chainStart;
-    $fh->seek($chainStart + 4, IO::File::SEEK_SET);
-    $fh->print(pack("N", $chainLength));
-    $fh->seek($chainStart + $chainLength, IO::File::SEEK_SET);
-}
-
-=head2 $t->print($fh)
-
-Prints a human-readable representation of the chain
-
-=cut
-
-sub feat
-{
-    my ($self) = @_;
-    
-    my $feat = $self->{' PARENT'}{' PARENT'}{'feat'};
-    if (defined $feat) {
-        $feat->read;
-    }
-    else {
-        $feat = {};
-    }
-    
-    return $feat;
-}
-
-sub print
-{
-    my ($self, $fh) = @_;
-    
-    $fh->printf("version %f\n", $self->{'version'});
-    
-    my $defaultFlags = $self->{'defaultFlags'};
-    $fh->printf("chain: defaultFlags = %08x\n", $defaultFlags);
-    
-    my $feat = $self->feat();
-    my $featureEntries = $self->{'featureEntries'};
-    foreach (@$featureEntries) {
-        $fh->printf("\tfeature %d, setting %d : enableFlags = %08x, disableFlags = %08x # '%s: %s'\n",
-                    $_->{'type'}, $_->{'setting'}, $_->{'enable'}, $_->{'disable'},
-                    $feat->settingName($_->{'type'}, $_->{'setting'}));
-    }
-    
-    my $subtables = $self->{'subtables'};
-    foreach (@$subtables) {
-        my $type = $_->{'type'};
-        my $subFeatureFlags = $_->{'subFeatureFlags'};
-        $fh->printf("\n\t%s table, %s, %s, subFeatureFlags = %08x # %s (%s)\n",
-                    subtable_type_($type), $_->{'direction'}, $_->{'orientation'}, $subFeatureFlags,
-                    "Default " . ((($subFeatureFlags & $defaultFlags) != 0) ? "On" : "Off"),
-                    join(", ",
-                        map {
-                            join(": ", $feat->settingName($_->{'type'}, $_->{'setting'}) )
-                        } grep { ($_->{'enable'} & $subFeatureFlags) != 0 } @$featureEntries
-                    ) );
-        
-        $_->print($fh);
-    }
-}
-
-sub subtable_type_
-{
-    my ($val) = @_;
-    my ($res);
-    
-    my @types =    (
-                    'Rearrangement',
-                    'Contextual',
-                    'Ligature',
-                    undef,
-                    'Non-contextual',
-                    'Insertion',
-                );
-    $res = $types[$val] or ('Undefined (' . $val . ')');
-    
-    $res;
-}
-
-1;
-
-=head1 BUGS
-
-None known
-
-=head1 AUTHOR
-
-Jonathan Kew L<Jonathan_Kew@sil.org>. See L<Font::TTF::Font> for copyright and
-licensing.
-
-=cut
-