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Contents
# Copyright 2011 innoQ Deutschland GmbH
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
module IqRdf
class BlankNode < Node
attr_reader :node_id
def initialize(node_id = nil)
super
@node_id = node_id
end
def to_turtle(parent_lang = nil)
end
def to_s(parent_lang = nil)
"[\n#{(nodes.map{|pred| "#{pred} #{pred.nodes.map{|o| o.to_s(pred.lang || parent_lang)}.join(", ")}"}.join(";\n")).gsub(/^/, " ")}\n]"
end
def build_predicate(*args, &block)
IqRdf::PredicateNamespace.new(self, IqRdf::Default).build_predicate(*args, &block)
end
def build_xml(xml, &block)
block.call({}, lambda {
attrs = {}
attrs["xml:lang"] = self.lang if self.lang
xml.rdf(:Description, attrs) do
self.nodes.each do |predicate|
predicate.build_xml(xml)
end
end
})
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems