xref: /openbsd/gnu/usr.bin/perl/cpan/Encode/bin/ucm2table (revision f6aab3d8)
1#!/usr/bin/perl
2# $Id: ucm2table,v 2.1 2006/05/03 18:24:10 dankogai Exp $
3#
4
5use 5.006;
6use strict;
7use Getopt::Std;
8my %Opt;
9getopts("aeu", \%Opt);
10my %Chartab;
11
12my $Hex = '[0-9A-Fa-f]';
13while(<>){
14    chomp;
15    my ($uni, $enc, $fb) =
16        /^<U($Hex+)>\s+(\S+)\s+\|(\d)/o or next;
17    $fb eq '0' or next;
18    my @byte = ();
19    my $ord = 0;
20    while($enc =~ /\G\\x($Hex+)/iog){
21        my $byte = hex($1);
22        push @byte, $byte;
23        $ord <<= 8; $ord += $byte;
24    };
25    # print join('', @byte), " => $ord \n";
26    if ($Opt{u}){
27        $Chartab{$ord} = pack("U", hex($uni));
28    }else{
29        $Chartab{$ord} = pack("C*", @byte);
30    }
31}
32
33my $start = $Opt{a} ? 0x20 : 0xa0;
34
35for (my $x = $start; $x <= 0xffff; $x += 32) {
36    my $line =  '';
37    for my $i (0..31){
38    my $num = $x+$i; $num eq 0x7f and next; # skip delete
39    my $char = $Chartab{$num};
40    $line .= !$char ? " " :
41        ($num < 0x7f ) ? " $char" : $char ;
42    }
43    $line =~ /^\s+$/o and next;
44    printf "0x%04x: $line\n", $x;
45}
46