- From: Innovimax W3C <innovimax+w3c@gmail.com>
- Date: Wed, 1 Feb 2012 15:32:01 +0100
- To: Alex Milowski <alex@milowski.com>
- Cc: XProc WG <public-xml-processing-model-wg@w3.org>
Alex, Are you asking for this <?xml version="1.0" encoding="UTF-8"?> <p:declare-step xmlns:p="http://www.w3.org/ns/xproc" exclude-inline-prefixes="c xs" xmlns:c="http://www.w3.org/ns/xproc-step" xmlns:xs="http://www.w3.org/2001/XMLSchema" version="1.0" xpath-version="2.0"> <p:output port="result"/> <p:group> <p:choose> <p:variable name="a" select="'2012-02-30'"/> <p:when test="$a castable as xs:date"> <p:identity> <p:input port="source"> <p:inline> <the-variable-is-castable-as-date/> </p:inline> </p:input> </p:identity> </p:when> <p:otherwise> <p:identity> <p:input port="source"> <p:inline> <the-variable-is-NOT-castable-as-date/> </p:inline> </p:input> </p:identity> </p:otherwise> </p:choose> </p:group> </p:declare-step> Mohamed On Tue, Jan 31, 2012 at 3:50 PM, Alex Milowski <alex@milowski.com> wrote: > Also, as I'm binding certain typed values to options (e.g. pulling a > start time off the query parameters), I'd really like an easy way to > say: > > "This option is typed as xs:dateTime. If the value does not cast > properly, run this other part of the pipeline." > > One simple way we could accomplish this is to allow type errors within > a certain portion of the pipeline to be caught and processed somehow. > > -- > --Alex Milowski > "The excellence of grammar as a guide is proportional to the paucity of the > inflexions, i.e. to the degree of analysis effected by the language > considered." > > Bertrand Russell in a footnote of Principles of Mathematics > > -- Innovimax SARL Consulting, Training & XML Development 9, impasse des Orteaux 75020 Paris Tel : +33 9 52 475787 Fax : +33 1 4356 1746 http://www.innovimax.fr RCS Paris 488.018.631 SARL au capital de 10.000 €
Received on Wednesday, 1 February 2012 14:32:39 UTC