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Date: Sun, 21 Jan 2018 18:26:44 -0500
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From: "Liam R. E. Quin" <liam@w3.org>
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To: Saxonica Developer Community <inbox+saxonica+f38e+saxon@plan.io>
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Message-ID: <1516577204.4506.241.camel@w3.org>
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In-Reply-To: <redmine.journal-10992.20180121143939.bd4c2ce665b9e662@plan.io>
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References: <redmine.issue-3635.20180121012703@plan.io>
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<redmine.journal-10992.20180121143939.bd4c2ce665b9e662@plan.io>
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Subject: Re: [Saxon - Bug #3635] passing stylesheet parameters via
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fn:transform causes an exception
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You are right on all three counts, sorry for the noise!
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The F&O spec does say Type: map(xs:QName, item()*) for stylesheet-
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params.
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On the other hand, it'd be helpful not to have Saxon crash...
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On Sun, 2018-01-21 at 15:39 +0100, Saxonica Developer Community wrote:
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> --- In your reply, please do not write below this line ---
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>
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> Issue #3635 has been updated by Martin Honnen.
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>
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>
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> I think you have three problems in your use of @transform@, the first
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> is that you need to use a @QName@ (and not a string) for the
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> parameter name, the second is that the @transform@ function returns a
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> map where you find the primary result as the map item named @output@
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> and the third is that you use @xsl:copy@ (which only makes a shallow
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> copy) instead of @xsl:copy-of@ (which creates a deep copy) when you
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> try to output the result of the function. So what you want is
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>
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> <pre><code class="xml">
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> <xsl:stylesheet version="3.0" xmlns:xsl="http://www.w3.org/1999/XSL/T
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> ransform"
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> xmlns:xs="http://www.w3.org/2001/XMLSchema">;
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>
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> <xsl:template match="/">
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> <xsl:copy-of
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> select="
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> transform(
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> map {
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> 'stylesheet-location':
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> 'test201801210102.xsl',
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> 'source-node': /,
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> 'stylesheet-params': map {
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> QName('', 'garment'):
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> 'hoodie',
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> QName('', 'colour'):
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> 'black'
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> }
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> }
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> )?output"
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> />
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> </xsl:template>
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>
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> </xsl:stylesheet>
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> </code></pre>
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>
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> I think.
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>
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>
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> ----------------------------------------
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> Bug #3635: passing stylesheet parameters via fn:transform causes an
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> exception
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> https://saxonica.plan.io/issues/3635?pn=1#change-10992
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>
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> * Author: Liam Quin
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> * Status: New
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> * Priority: Normal
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> * Assignee:
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> * Category:
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> * Sprint/Milestone:
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> * Legacy ID:
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> * Applies to branch: 9.8
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> * Fix Committed on Branch:
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> * Fixed in Maintenance Release:
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> ----------------------------------------
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> If i run the enclosed stylesheet, i get an error; this is a stripped-
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> down example. I get what looks like the same error if i try to pass
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> an option map to fn:serialize. In both cases i can work round it by
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> passing an XML fragment.
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>
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> I also get the same (or a similr, didn't check) error with Saxon EE
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> run from Oxygen XML Editor version 19 (didn't try earlier versions).
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>
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> java -jar /home/lee/packages/saxonpe/saxon9pe.jar
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> exception.xsl exception.xsl
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> java.lang.RuntimeException: Internal error evaluating template
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> rule at line 7 in module file:/home/lee/mulberry/balisage-
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> proceedings/deliver/exception.xsl
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> at
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> net.sf.saxon.expr.instruct.TemplateRule.applyLeavingTail(TemplateRule
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> .java:360)
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> at net.sf.saxon.trans.Mode.applyTemplates(Mode.java:502)
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> at
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> net.sf.saxon.Controller.transformDocument(Controller.java:2402)
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> at net.sf.saxon.Controller.transform(Controller.java:1970)
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> at
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> net.sf.saxon.s9api.Xslt30Transformer.applyTemplates(Xslt30Transformer
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> .java:593)
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> at net.sf.saxon.Transform.processFile(Transform.java:1257)
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> at net.sf.saxon.Transform.doTransform(Transform.java:780)
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> at net.sf.saxon.Transform.main(Transform.java:81)
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> Caused by: java.lang.ClassCastException:
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> net.sf.saxon.value.StringValue cannot be cast to
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> net.sf.saxon.value.QNameValue
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> at
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> net.sf.saxon.functions.TransformFn.call(TransformFn.java:639)
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> at
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> net.sf.saxon.expr.FunctionCall.iterate(FunctionCall.java:547)
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> at
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> net.sf.saxon.expr.instruct.ForEach.processLeavingTail(ForEach.java:43
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> 4)
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> at
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> net.sf.saxon.expr.instruct.TemplateRule.applyLeavingTail(TemplateRule
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> .java:347)
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> ... 7 more
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> Fatal error during transformation: java.lang.RuntimeException:
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> Internal error evaluating template rule at line 7 in module
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> file:/home/lee/mulberry/balisage-proceedings/deliver/exception.xsl
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>
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>
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> ---Files--------------------------------
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> exception-two.xsl (351 Bytes)
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> exception.xsl (467 Bytes)
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>
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>
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> --
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>
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--
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Liam Quin, W3C, http://www.w3.org/People/Quin/
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Staff contact for Verifiable Claims WG, SVG WG, XQuery WG
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Web slave for http://www.fromoldbooks.org/
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