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package Term::UI::History;
use strict;
use base 'Exporter';
use base 'Log::Message::Simple';
=pod
=head1 NAME
Log::Message::Simple
=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 $Term::UI::History::HISTORY_FH = \*STDERR;
=head1 DESCRIPTION
This module provides the C<history> function for C<Term::UI>,
printing and saving all the C<UI> interaction.
Refer to the C<Term::UI> manpage for details on usage from
C<Term::UI>.
This module subclasses C<Log::Message::Simple>. Refer to its
manpage for additional functionality available via this package.
=head1 FUNCTIONS
=head2 history("message string" [,VERBOSE])
Records a message on the stack, and prints it to C<STDOUT>
(or actually C<$HISTORY_FH>, see the C<GLOBAL VARIABLES> section
below), if the C<VERBOSE> option is true.
The C<VERBOSE> 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 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<history()> are being
printed. This defaults to C<*STDOUT>.
=back
=head1 See Also
C<Log::Message::Simple>, C<Term::UI>
=head1 AUTHOR
This module by
Jos Boumans E<lt>kane@cpan.orgE<gt>.
=head1 COPYRIGHT
This module is
copyright (c) 2005 Jos Boumans E<lt>kane@cpan.orgE<gt>.
All rights reserved.
This library is free software;
you may redistribute and/or modify it under the same
terms as Perl itself.
=cut
1;
# Local variables:
# c-indentation-style: bsd
# c-basic-offset: 4
# indent-tabs-mode: nil
# End:
# vim: expandtab shiftwidth=4:
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