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             services.rb
        
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             / vendor / gems / ruby-openid-2.1.4 / lib / openid / yadis / services.rb
          
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      require 'openid/yadis/filters'

      require 'openid/yadis/discovery'

      require 'openid/yadis/xrds'

      module OpenID

        module Yadis

          def Yadis.get_service_endpoints(input_url, flt=nil)

            # Perform the Yadis protocol on the input URL and return an

            # iterable of resulting endpoint objects.

            #

            # @param flt: A filter object or something that is convertable

            # to a filter object (using mkFilter) that will be used to

            # generate endpoint objects. This defaults to generating

            # BasicEndpoint objects.

            result = Yadis.discover(input_url)

            begin

              endpoints = Yadis.apply_filter(result.normalized_uri,

                                             result.response_text, flt)

            rescue XRDSError => err

              raise DiscoveryFailure.new(err.to_s, nil)

            end

            return [result.normalized_uri, endpoints]

          end

          def Yadis.apply_filter(normalized_uri, xrd_data, flt=nil)

            # Generate an iterable of endpoint objects given this input data,

            # presumably from the result of performing the Yadis protocol.

            flt = Yadis.make_filter(flt)

            et = Yadis.parseXRDS(xrd_data)

            endpoints = []

            each_service(et) { |service_element|

              endpoints += flt.get_service_endpoints(normalized_uri, service_element)

            }

            return endpoints

          end

        end

      end

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				require 'openid/yadis/filters'
				require 'openid/yadis/discovery'
				require 'openid/yadis/xrds'

				module OpenID
				module Yadis
				def Yadis.get_service_endpoints(input_url, flt=nil)
				# Perform the Yadis protocol on the input URL and return an
				# iterable of resulting endpoint objects.
				#
				# @param flt: A filter object or something that is convertable
				# to a filter object (using mkFilter) that will be used to
				# generate endpoint objects. This defaults to generating
				# BasicEndpoint objects.
				result = Yadis.discover(input_url)
				begin
				endpoints = Yadis.apply_filter(result.normalized_uri,
				result.response_text, flt)
				rescue XRDSError => err
				raise DiscoveryFailure.new(err.to_s, nil)
				end

				return [result.normalized_uri, endpoints]
				end

				def Yadis.apply_filter(normalized_uri, xrd_data, flt=nil)
				# Generate an iterable of endpoint objects given this input data,
				# presumably from the result of performing the Yadis protocol.

				flt = Yadis.make_filter(flt)
				et = Yadis.parseXRDS(xrd_data)

				endpoints = []
				each_service(et) { \|service_element\|
				endpoints += flt.get_service_endpoints(normalized_uri, service_element)
				}

				return endpoints
				end
				end
				end