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Contents
# encoding: UTF-8
# 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 Iqvoc
# TODO: The whole class should move to umt because it highly proprietary
# (and also has the wrong name because it only deals with "turtle").
# TODO: The term "Helper" is misleading.
class RdfHelper
LITERAL_REGEXP = /"(.*)"@([a-zA-Z]{2})/
NSMAP = {
'rdf' => "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
'skos' => "http://www.w3.org/2004/02/skos/core#",
'owl' => "http://www.w3.org/2002/07/owl#",
'rdfs' => "http://www.w3.org/2000/01/rdf-schema#" }
def self.extract_id(uri)
uri =~ /([^\/]+)\/{0,1}$/
$1
end
def self.is_literal_form?(str)
str.match LITERAL_REGEXP
end
def self.quote_turtle_literal(val)
if val.to_s.match(/^<.*>$/)
val
else
"\"#{val}\""
end
end
def self.split_literal(str)
elements = str.scan(LITERAL_REGEXP).first
@split_literal = {
:value => elements[0].gsub(/\\"/, '"'),
:language => elements[1]
}
::Rails.logger.debug "@split_literal => #{@split_literal}"
@split_literal
end
def self.to_xml_attribute_array
res = {}
NSMAP.each do |k,v|
res["xmlns:#{k}"] = v
end
res
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems