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Managing a collection of namespaces
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README.pod

NAME

URI::NamespaceMap - Class holding a collection of namespaces

VERSION

Version 0.24

SYNOPSIS

  use URI::NamespaceMap;
  my $map = URI::NamespaceMap->new( { xsd => 'http://www.w3.org/2001/XMLSchema#' } );
  $map->namespace_uri('xsd')->as_string;
  my $foaf = URI::Namespace->new( 'http://xmlns.com/foaf/0.1/' );
  $map->add_mapping(foaf => $foaf);
  $map->add_mapping(rdf => 'http://www.w3.org/1999/02/22-rdf-syntax-ns#' );
  $map->list_prefixes;  #  ( 'foaf', 'rdf', 'xsd' )
  $map->foaf; # Returns URI::Namespace object

DESCRIPTION

This module provides an object to manage multiple namespaces for creating URI::Namespace objects and for serializing.

METHODS

new ( [ \%namespaces | @prefixes | @uris ] )

Returns a new namespace map object. You can pass a hash reference with mappings from local names to namespace URIs (given as string or RDF::Trine::Node::Resource) or namespaces_map with a hashref. You may also pass an arrayref containing just prefixes and/or namespace URIs, and the module will try to guess the missing part. To use this feature, you need RDF::NS, XML::CommonNS or RDF::Prefixes, or preferably all of them.

add_mapping ( $name => $uri )

Adds a new namespace to the map. The namespace URI can be passed as string or a URI::Namespace object.

remove_mapping ( $name )

Removes a namespace from the map given a prefix.

namespace_uri ( $name )

Returns the URI::Namespace object (if any) associated with the given prefix.

$name

This module creates a method for all the prefixes, so you can say e.g.

  $map->foaf

and get a URI::Namespace object for the FOAF namespace. Since URI::Namespace does the same for local names, you can then say e.g.

  $map->foaf->name

to get a full URI.

list_namespaces

Returns an array of URI::Namespace objects with all the namespaces.

list_prefixes

Returns an array of prefixes.

uri ( $prefixed_name )

Returns a URI for an abbreviated string such as 'foaf:Person'.

prefix_for uri ($uri)

Returns the associated prefix (or potentially multiple prefixes, when called in list context) for the given URI.

abbreviate uri ($uri)

Complement to "namespace_uri". Returns the given URI in foo:bar format or undef if it wasn't matched, therefore the idiom

    my $str = $nsmap->abbreviate($uri_node) || $uri->as_string;

may be useful for certain serialization tasks.

WARNING

Avoid using the names 'can', 'isa', 'VERSION', and 'DOES' as namespace prefix, because these names are defined as method for every Perl object by default. The method names 'new' and 'uri' are also forbidden. Names of methods of Moose::Object must also be avoided.

AUTHORS

Chris Prather, <chris@prather.org> Kjetil Kjernsmo, <kjetilk@cpan.org> Gregory Todd Williams, <gwilliams@cpan.org> Toby Inkster, <tobyink@cpan.org>

CONTRIBUTORS

Dorian Taylor

BUGS

Please report any bugs using github

SUPPORT

You can find documentation for this module with the perldoc command.

    perldoc URI::NamespaceMap

COPYRIGHT & LICENSE

Copyright 2012-2014 Gregory Todd Williams, Chris Prather and Kjetil Kjernsmo

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

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