package textbender::a::b::Console; # Copyright 2004-2006, Michael Allan.  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Textbender Software"), to deal in the Textbender Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of the Textbender Software, and to permit persons to whom the Textbender Software is furnished to do so, subject to the following conditions: The preceding copyright notice and this permission notice shall be included in all copies or substantial portions of the Textbender Software. THE TEXTBENDER SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE TEXTBENDER SOFTWARE OR THE USE OR OTHER DEALINGS IN THE TEXTBENDER SOFTWARE.

use strict; use warnings;
=pod

=head1 DESCRIPTION

Console I/O.

=head1 EXPORTS

=over 4

=cut

BEGIN
{
    use Exporter ();
    our @ISA; @ISA = qw( Exporter );
    our @EXPORT_OK; @EXPORT_OK = qw( print_score $verbosity );
}
our @EXPORT_OK;


=pod

=item B<print_score>( [$I<caption>[, $I<c>]] )

Prints a horizontal line across the screen.
Accepts an optional $I<caption>.
You may also specify the score character $I<c> ('-' by default).

=cut

sub print_score( ;$$ )
{
    my $caption = shift; defined $caption or $caption = '';
    my $c = shift; defined $c or $c = '-';

    my $score = "$c$c$c$c$c$c$c\n"; # work right to left
    if( $caption )
    {
        $score = "( $caption )$score";
    }
    else
    {
        $score = "$c$c$c$c$score"; # enough $c for "( " + " )"
    }
    for( my $count=length($caption); $count<101; ++$count )
    {
        $score = "$c$score";
    }
    print $score;
}



=pod

=item B<verbosity>

Advice on the level (0|1) of console output.
Zero by default.

=cut

our $verbosity = 0;



=pod

=back

=cut

1;