package Unicode::Stringprep::_Common;

require 5.008_003;

use strict;
use utf8;
use warnings;

use Exporter;

our $VERSION = "1.10";
$VERSION = eval { $VERSION };

our @ISA = ('Exporter');
our @EXPORT = ('_mk_set', '_mk_map');

sub _mk_set {
  my @data = ();
  foreach my $line (split /\n/, shift) {
    my($from,$comment) = split /;/, $line; 
    $from =~ s/[^0-9A-Z-]//gi;
    ($from,my $to) = split(/-/, $from, 2);
    push @data, (hex($from), ($to ? hex($to) : undef));
  }
  return @data;
};

sub _mk_map {
  my @data = ();
  foreach my $line (split /\n/, shift) {
    my($from,$to,$comment) = split /;/, $line; 
    $from =~ s/[^0-9A-F]//gi;
    $to =~ s/[^0-9A-F ]//gi;
    push @data, 
        hex($from), 
        join('',map { 
	  $_ eq '' 
	    ? '' 
	    : chr(hex($_))
	}
	split(' ', $to));
  }
  return @data;
};

1;

=head1 NAME

Unicode::Stringprep::_Common - Internal functions for C<Unicode::Stringprep::*>

=head1 AUTHOR

Claus FE<auml>rber E<lt>CFAERBER@cpan.orgE<gt>
 
=head1 LICENSE
 
Copyright 2007-2009 Claus FE<auml>rber. All rights reserved.
 
This library is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.