default namespace ns1 = "urn:ietf:params:xml:ns:lost-ext" ## ## Extensions to the Location-to-Service Translation (LoST) ## Protocol ## ## LoST Extensions define three new elements: limit, region, and ## serviceLocation. ## start = limit | region | serviceLocation ## ## A limit to the number of returned results. ## div { limit= element limit { xsd:positiveInteger } } ## ## A boolean variable to request a search ## based on either service areas or distance. ## ## NOTE: The W3C XML Schema has two different ## lexical representations for boolean: ## '1' or 'true' vs. '0' or 'false'. ## div { region= element region { xsd:boolean } Forte & Schulzrinne Experimental [Page 16] RFC 6451 LoST Extensions December 2011 } ## ## Location Information ## div { locationInformation = extensionPoint+, attribute profile { xsd:NMTOKEN }? } ## ## Location Information about the returned point ## of service. ## div { serviceLocation= element serviceLocation { locationInformation }+ } ## ## Patterns for inclusion of elements from schemas in ## other namespaces. ## div { ## ## Any element not in the LoST Extensions ## namespace. ## notLostExt = element * - (ns1:* | ns1:*) { anyElement } ## ## A wildcard pattern for including any element ## from any other namespace. ## anyElement = (element * { anyElement } | attribute * { text } | text)* ## ## A point where future extensions ## (elements from other namespaces) ## can be added. ## extensionPoint = notLostExt* }