File Coverage

blib/lib/XML/Handler/PrintEvents.pm

Criterion	Covered	Total	%
statement	9	37	24.3
branch	0	4	0.0
condition			n/a
subroutine	3	25	12.0
pod	0	22	0.0
total	12	88	13.6

#
# This PerlSAX handler prints out all the PerlSAX events/callbacks
# it receives. Very useful when debugging.
#

package XML::Handler::PrintEvents;
use strict;
use XML::Filter::SAXT;

use vars qw($VERSION);
$VERSION = 0.01;

my @EXTRA_HANDLERS = ( 'ignorable_whitespace' );

sub new
{
    my ($class, %options) = @_;
    bless \%options, $class;
}

sub print_event
{
    my ($self, $event_name, $event) = @_;

    printf "%-22s ", $event_name;
    if (defined $event)
    {
	print join (", ", map { "$_ => [" .
				(defined $event->{$_} ? $event->{$_} : "(undef)")
				. "]" } keys %$event);
    }
    print "\n";
}

#
# This generates the PerlSAX handler methods for PrintEvents.
# They basically forward the event to print_event() while adding the callback
# (event) name.
#
for my $cb (@EXTRA_HANDLERS, map { @{$_} } values %XML::Filter::SAXT::SAX_HANDLERS)
{
    eval "sub $cb { shift->print_event ('$cb', \@_) }";
}

1;	# package return code

__END__