fixes

[html-element-library.git] / lib / HTML / Element / Library.pm

diff --git a/lib/HTML/Element/Library.pm b/lib/HTML/Element/Library.pm
index 3a666cdc3808d4783e974ef7e2fed492b49ae822..beb12454e66661537398294b8f39d13801515a93 100644 (file)
--- a/lib/HTML/Element/Library.pm
+++ b/lib/HTML/Element/Library.pm
@@ -1,5 +1,5 @@
 package HTML::Element::Library;
-
+# ABSTRACT: Convenience methods for HTML::TreeBuilder and HTML::Element
 
 use strict;
 use warnings;
@@ -25,7 +25,7 @@ our @EXPORT      = qw();
 
 
 
-our $VERSION = '4.2.c';
+
 
 
 
@@ -72,6 +72,53 @@ sub HTML::Element::defmap {
 
 }
 
+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);
+  $self;
+}
+
+sub HTML::Element::newchild {
+  my ($lol, $parent_label, @newchild)=@_;
+
+  use Data::Rmap qw(rmap_array);
+
+  my ($mapresult) = rmap_array {
+ 
+
+  if ($_->[0] eq $parent_label) {
+    $_ = [ $parent_label => @newchild ];
+    Data::Rmap::cut($_);
+  } else {
+    $_;
+  }
+
+  } $lol;
+
+  $mapresult;
+
+}
+
 sub HTML::Element::crunch {
     my $container = shift;