Contents

require 'rdf'

# mixin methods
module RDF
  class LDP < RDF::StrictVocabulary("http://www.w3.org/ns/ldp")

    # returns graph without any LDP-specific triples
    def self.remove_ldp_triples graph
      if graph && graph.is_a?(RDF::Graph) && graph.count > 0
        no_ldp_graph = RDF::Graph.new
        ldp_props = RDF::LDP.properties.map {|p| p.to_s}
        graph.each { |stmt|  
          no_ldp_graph << stmt unless ldp_props.include?(stmt.predicate.to_s) || 
                                      ldp_props.include?(stmt.object.to_s) ||
                                      ldp_props.include?(stmt.subject.to_s)
        }
        no_ldp_graph
      else
        graph
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
rdf-ldp-0.0.4	lib/rdf/ldp/helper.rb
rdf-ldp-0.0.3	lib/rdf/ldp/helper.rb