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[xsl] resolveQName and xpath-default-namespace

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With source doc:

<doc xmlns:one="one.uri" xmlns="default.uri">
 <chap xmlns="" att-one="text">
   <data-one>one:value</data-one>
   <data-two>value</data-two>
 </chap>
</doc>

I tried the following stylesheet:

<xsl:stylesheet
  version="2.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns:one="one.uri"
  xmlns:def="default.uri">

<xsl:output method="text" indent="yes"/>

<xsl:variable name="doc" select="/def:doc"/>
<xsl:variable name="chap" select="/def:doc/chap"/>
<xsl:variable name="data1" select="/def:doc/chap/data-one"/>
<xsl:variable name="data2" select="/def:doc/chap/data-two"/>

<xsl:template match="/">
<xsl:variable name="res0" select="resolve-QName($chap/@att-one, $doc)"/>
{<xsl:value-of select="namespace-uri-from-QName($res0)"/>}<xsl:value-of select="local-name-from-QName($res0)"/><xsl:text>#xa;</xsl:text>
<xsl:variable name="res1" select="resolve-QName($chap/@att-one, $chap)"/>
{<xsl:value-of select="namespace-uri-from-QName($res1)"/>}<xsl:value-of select="local-name-from-QName($res1)"/><xsl:text>#xa;</xsl:text>
<xsl:variable name="res2" select="resolve-QName(string($data1), $data1)"/>
{<xsl:value-of select="namespace-uri-from-QName($res2)"/>}<xsl:value-of select="local-name-from-QName($res2)"/><xsl:text>#xa;</xsl:text>
<xsl:variable name="res3" select="resolve-QName(string($data2), $data2)"/>
{<xsl:value-of select="namespace-uri-from-QName($res3)"/>}<xsl:value-of select="local-name-from-QName($res3)"/><xsl:text>#xa;</xsl:text>
</xsl:template>
</xsl:stylesheet>

against the doc shown above. I get:
 {}text

{}text

{one.uri}value

{}value

I don't understand why resolve-QName($chap/@att-one, $doc) doesn't resolve 'value' to {one.uri}value when $doc is used for the resolving node as it has 'one' mapped to 'one.uri'.

then I tried adding xpath-default-namespace="default-uri" and removing the def: prefix from the variables declarations and the stylesheet namespace declaration. This led to an error indicating that $chap/@att-one was an empty sequence. I presume this is something to do with the default namespace being undeclared. The full stylesheet:

<xsl:stylesheet
  version="2.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns:one="one.uri"
  xpath-default-namespace="default.uri">

<xsl:output method="text" indent="yes"/>

<xsl:variable name="doc" select="/doc"/>
<xsl:variable name="chap" select="/doc/chap"/>
<xsl:variable name="data1" select="/doc/chap/data-one"/>
<xsl:variable name="data2" select="/doc/chap/data-two"/>

<xsl:template match="/">
<xsl:variable name="res0" select="resolve-QName($chap/@att-one, $doc)"/>
{<xsl:value-of select="namespace-uri-from-QName($res0)"/>}<xsl:value-of select="local-name-from-QName($res0)"/><xsl:text>#xa;</xsl:text>
<xsl:variable name="res1" select="resolve-QName($chap/@att-one, $chap)"/>
{<xsl:value-of select="namespace-uri-from-QName($res1)"/>}<xsl:value-of select="local-name-from-QName($res1)"/><xsl:text>#xa;</xsl:text>
<xsl:variable name="res2" select="resolve-QName(string($data1), $data1)"/>
{<xsl:value-of select="namespace-uri-from-QName($res2)"/>}<xsl:value-of select="local-name-from-QName($res2)"/><xsl:text>#xa;</xsl:text>
<xsl:variable name="res3" select="resolve-QName(string($data2), $data2)"/>
{<xsl:value-of select="namespace-uri-from-QName($res3)"/>}<xsl:value-of select="local-name-from-QName($res3)"/><xsl:text>#xa;</xsl:text>
</xsl:template>

</xsl:stylesheet>



This didn't work either, does that mean once I have used the xpath-default-namespace I can't select this sort of element (no namespace)?


I am using Saxon 8 basic.

--

Joe

PS (to Michael Kay - I tried posting to Saxon list at SourceForge but was not able to subscribe as I never received a confirmation email)

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