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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 Node
attr_reader :nodes
attr_reader :lang
def initialize(lang = nil)
@nodes = []
@lang = lang
end
# You can add Nodes (Uris, Blank Nodes, Predicates), Literals and Collections
# So a Node has the following structure:
# <node> <uri> or <node> <literal> (tuple)
# <node> <predicate> == <node> (<predicate_node> <predicate.nodes>) (triples)
def <<(node)
raise ArgumentError, "#{node.inspect} is no IqRdf::Node or a IqRdf::Literal or a IqRdf::Collection" unless node.is_a?(IqRdf::Node) || node.is_a?(IqRdf::Literal) || node.is_a?(IqRdf::Collection)
@nodes << node
end
def method_missing(method_name, *args, &block)
if (namespace_class = Namespace.find_namespace_class(method_name))
return IqRdf::PredicateNamespace.new(self, namespace_class) # some_node.>namespace<...
else
return IqRdf::PredicateNamespace.new(self, IqRdf::Default).build_predicate(method_name, *args, &block) # some_node.>predicate<()
end
end
def is_subject?()
false
end
def build_full_uri_predicate(uri, *args, &block)
raise ArgumentError, "uri musst be an ::URI" unless uri.is_a?(::URI)
IqRdf::PredicateNamespace.new(self, Namespace.dummy_empty_namespace).build_predicate(uri, *args, &block)
end
def xml_lang
@lang && (@lang == :none ? "" : @lang)
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems