File Coverage

lib/Term/UI/History.pm

Criterion	Covered	Total	%
statement	40	40	100.0
branch	4	4	100.0
condition	2	3	66.6
subroutine	11	11	100.0
pod	0	2	0.0
total	57	60	95.0

package Term::UI::History;

use strict;
use vars qw[$VERSION];
use base 'Exporter';
use base 'Log::Message::Simple';

$VERSION = '0.46';

=pod

=head1 NAME

Term::UI::History - history function

=head1 SYNOPSIS

    use Term::UI::History qw[history];

    history("Some message");

    ### retrieve the history in printable form
    $hist  = Term::UI::History->history_as_string;

    ### redirect output
    local $Term::UI::History::HISTORY_FH = \*STDERR;

=head1 DESCRIPTION

This module provides the C function for C,
printing and saving all the C interaction.

Refer to the C manpage for details on usage from
C.

This module subclasses C. Refer to its
manpage for additional functionality available via this package.

=head1 FUNCTIONS

=head2 history("message string" [,VERBOSE])

Records a message on the stack, and prints it to C
(or actually C<$HISTORY_FH>, see the C section
below), if the C option is true.

The C option defaults to true.

=cut

BEGIN {
    use Log::Message private => 0;

    use vars      qw[ @EXPORT $HISTORY_FH ];
    @EXPORT     = qw[ history ];
    my $log     = new Log::Message;
    $HISTORY_FH = \*STDOUT;

    for my $func ( @EXPORT ) {
        no strict 'refs';

        *$func = sub {  my $msg     = shift;
                        $log->store(
                                message => $msg,
                                tag     => uc $func,
                                level   => $func,
                                extra   => [@_]
                        );
                };
    }

    sub history_as_string {
        my $class = shift;

        return join $/, map { $_->message } __PACKAGE__->stack;
    }
}


{
    package # hide this from PAUSE
      Log::Message::Handlers;

    sub history {
        my $self    = shift;
        my $verbose = shift;
           $verbose = 1 unless defined $verbose;    # default to true

        ### so you don't want us to print the msg? ###
        return if defined $verbose && $verbose == 0;

        local $| = 1;
        my $old_fh = select $Term::UI::History::HISTORY_FH;

        print $self->message . "\n";
        select $old_fh;

        return;
    }
}


=head1 GLOBAL VARIABLES

=over 4

=item $HISTORY_FH

This is the filehandle all the messages sent to C are being
printed. This defaults to C<*STDOUT>.

=back

=head1 See Also

C, C

=head1 AUTHOR

This module by
Jos Boumans [e-mail].

=head1 COPYRIGHT

This module is
copyright (c) 2005 Jos Boumans [e-mail].
All rights reserved.

This library is free software;
you may redistribute and/or modify it under the same
terms as Perl itself.

=cut

1;

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