X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/0d71f602a3268f8059dc48042280fb25c1abb4ba..b5b3537710ed9f73e1c867e0cc27d50439eaf4cd:/tools/convert-unicode.pl diff --git a/tools/convert-unicode.pl b/tools/convert-unicode.pl deleted file mode 100755 index 51e27cd..0000000 --- a/tools/convert-unicode.pl +++ /dev/null @@ -1,145 +0,0 @@ -#!/usr/bin/env perl -use 5.010; -use strict; -use warnings; -use utf8; - -use open OUT => ':utf8', ':std'; -use Data::Dump 'pp'; - -our $VERSION = '1.00'; - -my %info = ( - "\xAD" => {string => '-'}, - "\x{200E}" => {string => '→'}, - "\x{200F}" => {string => '←'}, -); -$info{chr $_} //= {} for 32 .. 126; - -eval { - my $tables = do 'unicode-table.inc.pl' or die $@ || $!; - for (values %$tables) { - for (values %$_) { - for (@$_) { - length $_ == 1 or next; # ignore meta values - s/\\//; # unescape - $info{$_} //= {}; - } - } - } - 1; -} or warn "Failed reading unicode tables: $@"; - -eval { - require HTML::Entities; - while (my ($char, $entity) = each %HTML::Entities::char2entity) { - $entity =~ /[a-zA-Z]/ or next; # only actual aliases - $info{$char}->{html} = substr($entity, 1, -1); - } - 1; -} or warn "Failed importing html entities: $@"; - -my %diinc = ( - 'digraphs.inc.pl' => 'u-di', -); -for (keys %diinc) { - -e $_ or next; - my $di = do $_ or die "Error reading digraphs file $_: ", $@ || $!; - while (my ($mnem, $cp) = each %$di) { - length $mnem == 2 or next; # limit to digraphs - my $class = $diinc{$_}; - if (ref $cp) { - # old style array - $class = 'u-prop' if $cp->[2] and $cp->[2] =~ m/\bXz\b/; - $cp = chr $cp->[0]; - } - $info{$cp}->{di} //= $mnem; - $info{$cp}->{class}->{$class}++; - } -} - -for my $chr (keys %info) { - my $cp = ord $chr; - # attempt to get unicode character information - my $info = eval { - require Unicode::UCD; - Unicode::UCD::charinfo($cp) - || { block => '?', category => 'Xn', name => '', script => '' } - } or next; - - $info->{$_} = $info{$chr}->{$_} for qw(di html class string); - - # categorise by unicode types and writing script - $info->{class}->{$_}++ for $info->{category}; - $info->{class}->{$_}++ for $info->{script} || (); - - # add custom categories for certain blocks - $info->{class}->{Xa}++ if $info->{block} eq 'Basic Latin'; - $info->{class}->{Xl}++ if $info->{block} eq 'Latin-1 Supplement'; - - given ($cp) { - when ($info->{string}) { - # keep predefined presentational string - } - when ($info->{combining}) { - # overlay combining accents - $info->{string} = chr(9676) . $chr; - } - when (($cp & ~0b1001_1111) == 0 or $cp == 127) { - # control characters (first 32 chars from 0 and 128) - # rename to something more descriptive - $info->{name} = $info->{unicode10} - ? '<'.$info->{unicode10}.'>' # the old name was much more useful - : sprintf('', $cp); # at least identify by value - # show descriptive symbols instead of control chars themselves - $info->{string} = $cp < 32 ? chr($cp + 0x2400) : chr(0xFFFD); - } - } - - $info{$chr} = $info; -} - -# output perl code of hash -say 'use utf8;'; -say '+{'; -for my $cp (sort keys %info) { - $info{$cp}->{classstr} = join(' ', sort keys %{ $info{$cp}->{class} }); - # convert info hashes into arrays of strings to output in display order - my $row = [ map { $info{$cp}->{$_} } qw/classstr name di html string/ ]; - # strip off trailing missing values (especially string may be unknown) - defined $row->[-1] ? last : pop @$row for 1 .. @$row; - # final line (assume safe within single quotes) - say sprintf '"\x{%X}" => [%s],', - ord $cp, join(',', map { escapeq($_) } @$row); -} -say '}'; - -sub escapeq { - my $_ = shift; - return 'undef' if not defined; - s/(['\\])/\\$1/g; - return "'$_'"; -} - -__END__ - -=head1 NAME - -convert-unicode.pl - Gather Unicode character details in Perl array - -=head1 SYNOPSIS - - convert-unicode > unicode-char.inc.pl - -Test by printing the description of U+0041 (latin A): - - perl -e'$u = do "unicode-char.inc.pl"; print $u->{A}->[1]' - -=head1 AUTHOR - -Mischa POSLAWSKY - -=head1 LICENSE - -Licensed under the GNU Affero General Public License version 3. -