NAME
   RDF::RDFa::Generator - Generate data for RDFa serialization

DESCRIPTION
 Constructor
   `$gen = RDF::RDFa::Generator->new(style => $style, %options)`
       Creates a new generator object. $style is one of the following
       case-sensitive strings: 'HTML::Head' (the default), 'HTML::Hidden' or
       'HTML::Pretty'. You can also construct an object like this:

         $gen = RDF::RDFa::Generator::HTML::Head->new(%options);

       Options include:

       *   base - the base URL where the output data will be published. This
           allows in some cases for the generated RDFa to include relative
           URIs.

       *   data_context - if non-null, a URI (string) which indicates the
           context (named graph) containing the data to generate RDFa for.

       *   namespaces - a {prefix=>uri} hashref of preferred CURIE prefixes.

       *   ns - a {uri=>prefix} hashref of preferred CURIE prefixes.
           DEPRECATED - use namespaces instead.

       *   prefix_attr - use the @prefix attribute for CURIE prefixes (RDFa
           1.1 only). Boolean, defaults to false.

       *   safe_xml_literals - prevents XML literals from injecting arbitrary
           XHTML into the output. Boolean, defaults to FALSE.

       *   title - assign a <title> element for generated XHTML documents.

       *   version - set generated RDFa version. Valid values are '1.0' (the
           default) or '1.1'.

 Public Methods
   `$gen->create_document($model)`
       Creates a new RDFa file containing triples. $model is an
       RDF::Trine::Model object providing the triples. Returns an
       XML::LibXML::Document object suitable for serialising using its
       `toString` method.

       If you're planning on serving the RDFa with the text/html media type,
       then it is recommended that you use HTML::HTML5::Writer to serialise
       the document rather than `toString`.

       Can also be called as a class method:

        $document = RDF::RDFa::Generator->create_document($model)
        # Same as:
        # $document = RDF::RDFa::Generator->new->create_document($model)

   `$gen->inject_document($document, $model)`
       Injects an existing document with triples. $document is an
       XML::LibXML::Document to inject, or a well-formed XML string. $model
       is an RDF::Trine::Model object providing the triples. Returns an
       XML::LibXML::Document object suitable for serialising using its
       `toString` method.

       See `create_document` for information about serving the RDFa with the
       text/html media type.

       Can also be called as a class method. See `create_document` for
       details.

   `$gen->nodes($model)`
       Provides triple-laden XML::LibXML::Elements to be added to a document.
       $model is an RDF::Trine::Model object providing the triples. If called
       in list context, returns a list of XML::LibXML::Element objects which
       can be added to a document; otherwise returns an XML::LibXML::NodeList
       containing a list of such elements.

       Can also be called as a class method. See `create_document` for
       details.

       The HTML::Pretty generator can be passed a couple of additional
       options:

         $gen->nodes($model, notes_heading=>'Additional Info', notes=>\@notes);

       The notes are a list of RDF::RDFa::Generator::HTML::Pretty::Note
       objects which are added as notes to the end of each subject's data.

   Additionally the methods `serialize_model_to_file`,
   `serialize_model_to_string`, `serialize_iterator_to_file` and
   `serialize_iterator_to_string` are provided for compatibility with the
   RDF::Trine::Serializer interface.

BUGS
   Please report any bugs to
   <https://github.com/kjetilk/p5-rdf-rdfa-generator/issues>.

SEE ALSO
   HTML::HTML5::Writer, XML::LibXML, RDF::RDFa::Parser, RDF::Trine,
   RDF::Prefixes.

   <http://www.perlrdf.org/>.

AUTHOR
   Toby Inkster <[email protected]>.

   Kjetil Kjernsmo <[email protected]>.

COPYRIGHT AND LICENCE
   Copyright (C) 2010 by Toby Inkster, 2017 Kjetil Kjernsmo

   This library is free software; you can redistribute it and/or modify it
   under the same terms as Perl itself, either Perl version 5.8 or, at your
   option, any later version of Perl 5 you may have available.

 Icons
   RDF::RDFa::Generator::HTML::Pretty uses the FamFamFam Silk icons; see
   <http://famfamfam.com/lab/icons/silk/>.

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