[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: ANN: Portable Data Component -- start/end
Hi Folks, Suppose that a person records the start time and end time of a movie, which starts at 11pm and ends at 1am the next day: <movie> <start>23:00:00</start> <end>01:00:00</end> </movie> Validating that against the portable start/end data component (see below) results in this error: "movie does not match the assertion". Had the movie times been specified using dateTime: <movie> <start>2011-04-16T23:00:00</start> <end>2011-04-17T01:00:00</end> </movie> then there would be no error. QUESTION Who's at fault? - The person who specified the movie times using just time values? - Or, the portable start/end data component for throwing an error on perfectly good movie times? /Roger P.S. Here's the portable start/end data component: <xs:complexType name="start-end-date-time"> <xs:sequence> <xs:element name="start"> <xs:simpleType> <xs:union memberTypes="xs:date xs:time xs:dateTime" /> </xs:simpleType> </xs:element> <xs:element name="end" minOccurs="0"> <xs:simpleType> <xs:union memberTypes="xs:date xs:time xs:dateTime" /> </xs:simpleType> </xs:element> </xs:sequence> <xs:assert test=" if (exists(end)) then if (start castable as xs:dateTime) then xs:dateTime(end) gt xs:dateTime(start) else if (start castable as xs:date) then xs:date(end) gt xs:date(start) else if (start castable as xs:time) then xs:time(end) gt xs:time(start) else true() else true()" /> </xs:complexType> Comments welcome. /Roger
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