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Namespace.pod

=head1 NAME

XML::LibXML::Namespace - XML::LibXML Namespace Implementation

=head1 SYNOPSIS

use XML::LibXML;
  # Only methods specific to Namespace nodes are listed here,
  # see the XML::LibXML::Node manpage for other methods

my $ns = XML::LibXML::Namespace->new($nsURI);
  print $ns->nodeName();
  print $ns->name();
  $localname = $ns->getLocalName();
  print $ns->getData();
  print $ns->getValue();
  print $ns->value();
  $known_uri = $ns->getNamespaceURI();
  $known_prefix = $ns->getPrefix();
  $key = $ns->unique_key();

=head1 DESCRIPTION

Namespace nodes are returned by both $element->findnodes('namespace::foo') or
by $node->getNamespaces().

The namespace node API is not part of any current DOM API, and so it is quite
minimal. It should be noted that namespace nodes are I<<<<<< not >>>>>> a sub class of L<<<<<< XML::LibXML::Node >>>>>>, however Namespace nodes act a lot like attribute nodes, and similarly named
methods will return what you would expect if you treated the namespace node as
an attribute. Note that in order to fix several inconsistencies between the API
and the documentation, the behavior of some functions have been changed in
1.64.

=head1 METHODS

=over 4

=item new

my $ns = XML::LibXML::Namespace->new($nsURI);

Creates a new Namespace node. Note that this is not a 'node' as an attribute or
an element node. Therefore you can't do call all L<<<<<< XML::LibXML::Node >>>>>> Functions. All functions available for this node are listed below.

Optionally you can pass the prefix to the namespace constructor. If this second
parameter is omitted you will create a so called default namespace. Note, the
newly created namespace is not bound to any document or node, therefore you
should not expect it to be available in an existing document.

=item declaredURI

Returns the URI for this namespace.

=item declaredPrefix

Returns the prefix for this namespace.

=item nodeName

print $ns->nodeName();

Returns "xmlns:prefix", where prefix is the prefix for this namespace.

=item name

print $ns->name();

Alias for nodeName()

=item getLocalName

$localname = $ns->getLocalName();

Returns the local name of this node as if it were an attribute, that is, the
prefix associated with the namespace.

=item getData

print $ns->getData();

Returns the URI of the namespace, i.e. the value of this node as if it were an
attribute.

=item getValue

print $ns->getValue();

Alias for getData()

=item value

print $ns->value();

Alias for getData()

=item getNamespaceURI

$known_uri = $ns->getNamespaceURI();

Returns the string "http://www.w3.org/2000/xmlns/"

=item getPrefix

$known_prefix = $ns->getPrefix();

Returns the string "xmlns"

=item unique_key

$key = $ns->unique_key();

This method returns a key guaranteed to be unique for this namespace, and to
always be the same value for this namespace. Two namespace objects return the
same key if and only if they have the same prefix and the same URI. The
returned key value is useful as a key in hashes.

=back

=head1 AUTHORS

Matt Sergeant,
Christian Glahn,
Petr Pajas

=head1 VERSION

2.0210

=head1 COPYRIGHT

2001-2007, AxKit.com Ltd.

2002-2006, Christian Glahn.

2006-2009, Petr Pajas.

=cut

=head1 LICENSE

This program is free software; you can redistribute it and/or modify it under
the same terms as Perl itself.

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