Sha256: aa9600401df8e6553a6d9fd908c4c623d1949358c859dc254d127ec6fda2d0f9
Contents?: true
Size: 1.22 KB
Versions: 6
Compression:
Stored size: 1.22 KB
Contents
# Parser for SPARQL XML result set.
class SparqlResultParser
attr_reader :result
# The resource_type is the class that
def initialize(resource_type)
@result = []
@vars = []
@current_type = nil
@resource_type = resource_type
end
def tag_start(name, attrs)
case name
when 'variable'
@vars << attrs['name']
when 'result'
@current_result = []
when 'binding'
@index = @vars.index(attrs['name'])
when 'bnode', 'literal', 'typed-literal', 'uri'
@current_type = name
end
end
def tag_end(name)
if name == "result"
@result << @current_result
elsif name == 'bnode' || name == 'literal' || name == 'typed-literal' || name == 'uri'
@current_type = nil
elsif name == "sparql"
end
end
def text(text)
if !@current_type.nil?
@current_result[@index] = create_node(@current_type, text)
end
end
# create ruby objects for each RDF node
def create_node(type, value)
case type
when 'uri'
@resource_type.new(value)
when 'bnode'
BNode.new(value)
when 'literal','typed-literal'
value.to_s
end
end
def method_missing (*args)
end
end
Version data entries
6 entries across 6 versions & 1 rubygems