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-rw-r--r--lib/Tree/Template/Declare/DAG_Node.pm91
-rw-r--r--lib/Tree/Template/Declare/HTML_Element.pm111
-rw-r--r--lib/Tree/Template/Declare/LibXML.pm150
3 files changed, 352 insertions, 0 deletions
diff --git a/lib/Tree/Template/Declare/DAG_Node.pm b/lib/Tree/Template/Declare/DAG_Node.pm
new file mode 100644
index 0000000..6c7d700
--- /dev/null
+++ b/lib/Tree/Template/Declare/DAG_Node.pm
@@ -0,0 +1,91 @@
+package Tree::Template::Declare::DAG_Node;
+use strict;
+use warnings;
+use Carp;
+
+our $VERSION='0.6';
+
+sub new {
+ my ($class,$node_class)=@_;
+ $node_class||='Tree::DAG_Node';
+
+ eval "require $node_class" or ## no critic (ProhibitStringyEval)
+ croak "Can't load $node_class: $@"; ## no critic (ProhibitPunctuationVars)
+
+ return bless {nc=>$node_class},$class;
+}
+
+sub new_tree {
+ my ($self)=@_;
+
+ return bless [],'Tree::Template::Declare::DAG_Node::Tree';
+}
+
+sub finalize_tree {
+ my ($self,$tree)=@_;
+
+ return $tree->[0];
+}
+
+sub new_node {
+ my ($self)=@_;
+
+ return $self->{nc}->new();
+}
+
+sub add_child_node {
+ my ($self,$parent,$child)=@_;
+
+ if ($parent->isa('Tree::Template::Declare::DAG_Node::Tree')) {
+ push @{$parent},$child;
+ return $parent;
+ }
+ return $parent->add_daughter($child);
+}
+
+sub set_node_name {
+ my ($self,$node,$name)=@_;
+
+ return $node->name($name);
+}
+
+sub set_node_attributes {
+ my ($self,$node,$attrs)=@_;
+
+ my %all_attributes=(
+ %{$node->attributes},
+ %{$attrs},
+ );
+
+ return $node->attributes(\%all_attributes);
+}
+
+1;
+__END__
+
+=head1 NAME
+
+Tree::Template::Declare::DAG_Node
+
+=head1 SYNOPSIS
+
+See L<Tree::Template::Declare>.
+
+=head1 SPECIFICITIES
+
+This module will build trees using L<Tree::DAG_Node>. You can make it
+use another module (assuming it has the same interface, for example
+L<Tree::DAG_Node::XPath>) by passing the class name to the C<new>
+method.
+
+ use Tree::Template::Declare builder => '+DAG_Node'; # default
+
+ use Tree::Template::Declare builder =>
+ Tree::Template::Declare::DAG_Node->new('Tree::DAG_Node::XPath');
+ # custom class
+
+=head1 AUTHOR
+
+Gianni Ceccarelli <dakkar@thenautilus.net>
+
+=cut
diff --git a/lib/Tree/Template/Declare/HTML_Element.pm b/lib/Tree/Template/Declare/HTML_Element.pm
new file mode 100644
index 0000000..f8bdb90
--- /dev/null
+++ b/lib/Tree/Template/Declare/HTML_Element.pm
@@ -0,0 +1,111 @@
+package Tree::Template::Declare::HTML_Element;
+use strict;
+use warnings;
+use Carp;
+use HTML::Element;
+
+our $VERSION='0.6';
+
+sub new {
+ my ($class)=@_;
+
+ return bless {},$class;
+}
+
+sub _munge_exports {
+ my ($self,$exports)=@_;
+
+ my %all_exports=(
+ %{$exports},
+ text_node => sub($) {
+ $exports->{node}->(
+ sub {
+ $exports->{name}->('~text');
+ $exports->{attribs}->(text => $_[0]);
+ });
+ },
+ );
+
+ return \%all_exports;
+}
+
+sub new_tree {
+ my ($self)=@_;
+
+ return bless [],'Tree::Template::Declare::HTML_Element::Tree';
+}
+
+sub finalize_tree {
+ my ($self,$tree)=@_;
+
+ my $dom=$tree->[0];
+ $dom->deobjectify_text();
+ return $dom;
+}
+
+sub new_node {
+ my ($self)=@_;
+
+ return HTML::Element->new('~comment');
+}
+
+sub add_child_node {
+ my ($self,$parent,$child)=@_;
+
+
+ if ($parent->isa('Tree::Template::Declare::HTML_Element::Tree')) {
+ push @{$parent},$child;
+ return $parent;
+ }
+ return $parent->push_content($child);
+}
+
+sub set_node_name {
+ my ($self,$node,$name)=@_;
+
+ return $node->tag($name);
+}
+
+sub set_node_attributes {
+ my ($self,$node,$attrs)=@_;
+
+ while (my ($name,$val)=each %{$attrs}) {
+ $node->attr($name, $val);
+ }
+ return;
+}
+
+1;
+__END__
+
+=head1 NAME
+
+Tree::Template::Declare::HTML_Element
+
+=head1 SYNOPSIS
+
+See L<Tree::Template::Declare>.
+
+=head1 SPECIFICITIES
+
+This module will build trees using L<HTML::Element>.
+
+To create text nodes, you would be forced to say:
+
+ node {
+ name '~text';
+ attribs text => 'some text';
+ }
+
+which is too cumbersone. You can instead use:
+
+ text_node 'some text';
+
+HTML::Element's C<deobjectify_text> method will be called by
+C<finalize_tree> before returning the tree object.
+
+=head1 AUTHOR
+
+Gianni Ceccarelli <dakkar@thenautilus.net>
+
+=cut
diff --git a/lib/Tree/Template/Declare/LibXML.pm b/lib/Tree/Template/Declare/LibXML.pm
new file mode 100644
index 0000000..246ab8d
--- /dev/null
+++ b/lib/Tree/Template/Declare/LibXML.pm
@@ -0,0 +1,150 @@
+package Tree::Template::Declare::LibXML;
+use strict;
+use warnings;
+use Carp;
+use XML::LibXML;
+
+our $VERSION='0.6';
+
+sub new {
+ my ($class)=@_;
+
+ return bless {ns=>{':default'=>undef}},$class;
+}
+
+sub _munge_exports {
+ my ($self,$exports,$current_node_aref)=@_;
+
+ my %all_exports=(
+ %{$exports},
+ xmlns => sub($$) {
+ $self->{ns}->{$_[0]}=$_[1];
+ return;
+ },
+ text_node => sub($) {
+ if ($current_node_aref->[0]) {
+ $current_node_aref->[0]->appendTextNode($_[0]);
+ }
+ },
+ );
+
+ return \%all_exports;
+}
+
+sub new_tree {
+ my ($self)=@_;
+
+ return XML::LibXML::Document->new();
+}
+
+sub finalize_tree {
+ my ($self,$tree)=@_;
+
+ return $tree;
+}
+
+sub _get_ns {
+ my ($self,$name)=@_;
+
+ my ($prefix)=($name=~m{\A (.*?) : }smx);
+
+ if (!defined($prefix) || length($prefix)==0) {
+ return '',$self->{ns}->{':default'};
+ }
+
+ if (exists $self->{ns}->{$prefix}) {
+ return $prefix, $self->{ns}->{$prefix};
+ }
+ return;
+}
+
+sub new_node {
+ my ($self)=@_;
+
+ return XML::LibXML::Element->new('');
+}
+
+sub add_child_node {
+ my ($self,$parent,$child)=@_;
+
+ my $doc=$parent->ownerDocument;
+ if ($doc) {
+ $child=$doc->adoptNode($child);
+ }
+
+ if ($parent->isa('XML::LibXML::Document')) {
+ $parent->setDocumentElement($child);
+ }
+ else {
+ $parent->appendChild($child);
+ }
+ return $parent;
+}
+
+sub set_node_name {
+ my ($self,$node,$name)=@_;
+
+ $node->setNodeName($name);
+ my ($prefix,$uri)=$self->_get_ns($name);
+ if ($uri) {
+ $node->setNamespace($uri,$prefix,1);
+ }
+
+ return;
+}
+
+sub set_node_attributes {
+ my ($self,$node,$attrs)=@_;
+
+ while (my ($name,$val)=each %{$attrs}) {
+ my ($prefix,$uri)=$self->_get_ns($name);
+ if ($prefix and $uri) {
+ $node->setAttributeNS($uri, $name, $val);
+ }
+ else {
+ $node->setAttribute($name, $val);
+ }
+ }
+
+ return;
+}
+
+1;
+__END__
+
+=head1 NAME
+
+Tree::Template::Declare::LibXML
+
+=head1 SYNOPSIS
+
+See L<Tree::Template::Declare>.
+
+=head1 SPECIFICITIES
+
+A function C<xmlns> is exported, so that you can declare XML namespaces:
+
+ xmlns test => 'http://test/';
+
+ node { name 'test:elem'; attribs id => 1, 'test:attr' => 5 };
+
+You I<can> create nodes with qualified names with undeclared prefixes,
+but it's probably not a good idea.
+
+To add text nodes, you could do something like:
+
+ my $el=node { name 'elem_with_text' };
+ $el->appendTextNode('some text content');
+
+This is ugly, so you can do:
+
+ node {
+ name 'elem_with_text';
+ text_node 'some text content';
+ };
+
+=head1 AUTHOR
+
+Gianni Ceccarelli <dakkar@thenautilus.net>
+
+=cut
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