lib/sxp/reader/sparql.rb in sxp-0.0.11 vs lib/sxp/reader/sparql.rb in sxp-0.0.12

@@ -6,10 +6,12 @@
   #
   # Requires [RDF.rb](http://rdf.rubyforge.org/).
   #
   # @see http://openjena.org/wiki/SSE
   class SPARQL < Extended
+    FALSE     = /^false$/i
+    TRUE      = /^true$/i
     EXPONENT  = /[eE][+-]?[0-9]+/
     DECIMAL   = /^[+-]?(\d*)?\.\d*#{EXPONENT}?$/
     BNODE_ID  = /^_:([A-Za-z][A-Za-z0-9]*)/ # FIXME
     BNODE_NEW = /^_:$/
     VAR_ID    = /^\?([A-Za-z][A-Za-z0-9]*)/ # FIXME
@@ -60,9 +62,11 @@
     ##
     # @return [Object]
     def read_atom
       case buffer = read_literal
         when '.'       then buffer.to_sym
+        when FALSE     then RDF::Literal(false)
+        when TRUE      then RDF::Literal(true)
         when DECIMAL   then RDF::Literal(Float(buffer[-1].eql?(?.) ? buffer + '0' : buffer))
         when INTEGER   then RDF::Literal(Integer(buffer))
         when BNODE_ID  then RDF::Node($1)
         when BNODE_NEW then RDF::Node.new
         when VAR_ID    then RDF::Query::Variable.new($1)