Class: Rena::RdfXmlParser

Inherits:
Object
  • Object
show all
Defined in:
lib/rena/rdfxmlparser.rb

Constant Summary collapse

SYNTAX_BASE = 
"http://www.w3.org/1999/02/22-rdf-syntax-ns"
RDF_TYPE = 
SYNTAX_BASE + "#type"
RDF_DESCRIPTION = 
SYNTAX_BASE + "#Description"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(xml_str, uri = nil) ⇒ RdfXmlParser

Returns a new instance of RdfXmlParser.



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# File 'lib/rena/rdfxmlparser.rb', line 16

def initialize(xml_str, uri = nil)
  @excl = ["http://www.w3.org/1999/02/22-rdf-syntax-ns#resource",
           "http://www.w3.org/1999/02/22-rdf-syntax-ns#nodeID",
           "http://www.w3.org/1999/02/22-rdf-syntax-ns#about",
           "http://www.w3.org/1999/02/22-rdf-syntax-ns#ID"]
  if uri != nil
    @uri = Addressable::URI.parse(uri)
  end
  @xml = REXML::Document.new(xml_str)
  #    self.iterator @xml.root.children
  if self.is_rdf?
    @graph = Graph.new

    @xml.root.each_element { |e|
      self.parse_element e
    }
  #      puts @graph.size
  end
end

Instance Attribute Details

#graph ⇒ Object

Returns the value of attribute graph.



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# File 'lib/rena/rdfxmlparser.rb', line 15

def graph
  @graph
end

#xml ⇒ Object

Returns the value of attribute xml.



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# File 'lib/rena/rdfxmlparser.rb', line 15

def xml
  @xml
end

Instance Method Details

#is_rdf? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rena/rdfxmlparser.rb', line 36

def is_rdf?
  @xml.each_element do |e|
    if e.namespaces.has_value? "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
      return true
    end
  end
  return false
end