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BUG? fn:doc-available

Added by Anonymous over 16 years ago

Legacy ID: #4916048 Legacy Poster: Harald Schmitt (hschmitt)

when you query sucessfully fn:doc-available($docURI) for a document it is added to the net.sf.saxon.Controller.addUnavailableOutputDestination($docURI). A subsequent call to <xsl:result-document href="{$docURI}"> will always fial, even if the document has not been read. For example this stylesheet will alway generate a dynamic error: <?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="2.0" xmlns:xs="http://www.w3.org/2001/XMLSchema" > <xsl:template match="/"> <xsl:variable name="tmpURI" as="xs:anyURI" select="resolve-uri('test.xml')"/> <xsl:choose> <xsl:when test="doc-available($tmpURI)"> <xsl:result-document href="{$tmpURI}"> <whatever/> </xsl:result-document> </xsl:when> <xsl:otherwise> <xsl:message terminate="yes">doc should be available></xsl:message> </xsl:otherwise> </xsl:choose> </xsl:template> </xsl:stylesheet>


Replies (1)

RE: BUG? fn:doc-available - Added by Anonymous over 16 years ago

Legacy ID: #4916174 Legacy Poster: Michael Kay (mhkay)

I believe this is a correct interpretation of the spec. Returning true from doc-available() provides a guarantee that a subsequent call on document() will succeed, and this guarantee cannot be honoured if a call on xsl:result-document is allowed to write to the same URI. Michael Kay http://www.saxonica.com/

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