[
http://issues.apache.org/jira/browse/XALANJ-1651?page=comments#action_12356629
]
Warren Omohundro commented on XALANJ-1651:
------------------------------------------
Another example that fails due to using 'last()' -- the template
create-button-panel produces erroneous duplicate elements,
while the template create-button-panel2 (which does not use last()) produces
the proper elements
<?xml version="1.0" encoding="UTF-8"?>
<TOP>
<ONE/>
<TWO/>
<LINK>AA: no align</LINK>
<LINK align='left'>BB: align left</LINK>
<LINK align='right'>CC: align right</LINK>
<LINK>DD: no align</LINK>
<LINK align='left'>EE: align left</LINK>
</TOP>
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
>
<xsl:template match='/'>
<xsl:apply-templates/>
</xsl:template>
<xsl:template match='TOP'>
<xsl:call-template name='create-button-panel'>
<xsl:with-param name='link' select='LINK'/>
</xsl:call-template>
<xsl:call-template name='create-button-panel2'>
<xsl:with-param name='link' select='LINK'/>
</xsl:call-template>
</xsl:template>
<xsl:template name='create-button-panel'>
<xsl:param name="link"/>
<LEFT-GROUP>
<xsl:for-each select="[EMAIL PROTECTED]'left']" >
<xsl:call-template name="create-button"/>
<xsl:if test='position()!=last()'><SPACER/></xsl:if>
</xsl:for-each>
</LEFT-GROUP>
<RIGHT-GROUP>
<xsl:for-each select="$link[not(@align) or (@align='right')]" >
<xsl:call-template name="create-button"/>
<xsl:if test='position()!=last()'><SPACER/></xsl:if>
</xsl:for-each>
</RIGHT-GROUP>
</xsl:template>
<xsl:template name='create-button-panel2'>
<xsl:param name="link"/>
<LEFT-GROUP>
<xsl:for-each select="[EMAIL PROTECTED]'left']" >
<xsl:call-template name="create-button"/>
</xsl:for-each>
</LEFT-GROUP>
<RIGHT-GROUP>
<xsl:for-each select="$link[not(@align) or (@align='right')]" >
<xsl:call-template name="create-button"/>
</xsl:for-each>
</RIGHT-GROUP>
</xsl:template>
<xsl:template name='create-button'>
<BUTTON><xsl:value-of select='text()'/></BUTTON>
<xsl:message>BUTTON: <xsl:value-of select='@align'/> - <xsl:value-of
select='text()'/></xsl:message>
</xsl:template>
</xsl:stylesheet>
> Error with node sets and [last()] predicate
> -------------------------------------------
>
> Key: XALANJ-1651
> URL: http://issues.apache.org/jira/browse/XALANJ-1651
> Project: XalanJ2
> Type: Bug
> Components: transformation, Xalan-interpretive
> Versions: 2.5Dx
> Environment: Operating System: Other
> Platform: Other
> Reporter: Brian Minchau
> Assignee: Xalan Developers Mailing List
> Attachments: Bug22949Expr.txt
>
> This test was originally posted by Brian Lalonde under bug 15327 which is
> against XSLTC, but it didn't fail with XSLTC. It does however fail for
> Xalan-J interpretive.
> Here is the stylesheet:
> ------------------------------------------
> <?xml version="1.0" ?><?xml-stylesheet type="text/xsl" ?><!-- self-test -->
> <xsl:stylesheet version="1.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
> <xsl:output method="text" encoding="utf-8" media-type="text/plain"/>
> <xsl:param name="one">first</xsl:param>
> <xsl:param name="two">second</xsl:param>
> <xsl:template match="/">
> <xsl:variable name="params" select="//xsl:param"/>
> <xsl:variable name="params1" select="$params[1]"/>
> <xsl:variable name="expression1"><xsl:value-of select="$params1[last
> ()]"/></xsl:variable>
> <xsl:variable name="expression2"><xsl:value-of select="$params[1][last
> ()]"/></xsl:variable>
> <xsl:text>Testing: </xsl:text>
> <xsl:value-of select="system-property('xsl:vendor')"/><xsl:text> </xsl:text>
> <xsl:value-of select="system-property('xsl:vendor-url')"/><xsl:text>
> </xsl:text>
> <xsl:choose>
> <xsl:when test="$expression1=$expression2">OK</xsl:when>
> <xsl:otherwise>Fail!</xsl:otherwise>
> </xsl:choose>
> <xsl:text>
> </xsl:text>
> </xsl:template>
> </xsl:stylesheet>
> ------------------------------------------
> The same document is used as input (so it acts as XSL and input XML at the
> same
> time). One difference from the original is that I've removed an
> href="test.xml"
> in the xml-stylesheet processing instruction and I've renamed a few things.
> Analysis: When fed as input to itself "params" should take on the list of two
> parameters, "one" and "two". "params1" should take on the first of those,
> just "one". "expression1" should be the last one in "params1", but since
> there is only a single node it is just "one". "expression2" is just
> like "expression1" except that the calculation happens in a single select,
> not
> across 2 selects as it does for expression1. There is a final
> test="$expression1=$expression2" which outputs OK or Fail!
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