Class: RdfContext::Resource

Inherits:
Object
  • Object
show all
Defined in:
lib/rdf_context/resource.rb

Overview

Common super-class for things that are RDF Resources

Direct Known Subclasses

BNode, Graph, Literal, URIRef

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.parse(str) ⇒ Object

Parse a string to a resource, in NTriples format



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# File 'lib/rdf_context/resource.rb', line 46

def self.parse(str)
  case str
  when /^_:/    then BNode.parse(str)
  when /^</     then URIRef.parse(str)
  when /^http:/ then URIRef.parse(str)
  when /^\"/    then Literal.parse(str)
  else               Literal.parse(str)
  end
end

Instance Method Details

#bnode? ⇒ Boolean

Returns false, overridden in BNode

Returns:



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# File 'lib/rdf_context/resource.rb', line 33

def bnode?
  false
end

#graph? ⇒ Boolean

Returns false, overridden in BNode

Returns:



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# File 'lib/rdf_context/resource.rb', line 41

def graph?
  false
end

#literal? ⇒ Boolean

Returns false, overridden in Literal

Returns:



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# File 'lib/rdf_context/resource.rb', line 17

def literal?
  false
end

#resource? ⇒ Boolean

Returns true to indicate that this value is a resource.

Returns:



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# File 'lib/rdf_context/resource.rb', line 9

def resource?
  true
end

#uri? ⇒ Boolean

Returns false, overridden in URIref

Returns:



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# File 'lib/rdf_context/resource.rb', line 25

def uri?
  false
end