package HTML::Element::Library;
-
+# ABSTRACT: Convenience methods for HTML::TreeBuilder and HTML::Element
use strict;
use warnings;
}
+sub HTML::Element::_only_empty_content {
+ my ($self)=@_;
+ my @c = $self->content_list;
+ my $length = scalar @c;
+
+ #use Data::Dumper;
+ #warn sprintf 'Testing %s (%s)' , $self->starttag, Dumper(\@c);
+ #warn sprintf "\t\tlength of content: %d ", $length;
+
+ scalar @c == 1 and not length($c[0]);
+}
+
+sub HTML::Element::prune {
+ my ($self)=@_;
+
+ for my $c ($self->content_list) {
+ next unless ref $c;
+ #warn "C: " . Dumper($c);
+ $c->prune;
+ }
+
+ # post-order:
+ $self->delete if ($self->is_empty or $self->_only_empty_content);
+ $self;
+}
+
+
sub HTML::Element::crunch {
my $container = shift;