At 2007-11-19 10:21 -0800, chun ji wrote:
I was trying to convert this xml file into a new one
in XSLT 2.0, but failed. The main issue is I have to
deal with one group-by with two level of elements: tab
and sub. I could not find any way to work around with
it. Help if you can.
You don't say what aspect of grouping you are having a problem with.
Below is a solution ... it is straightforward when grouping with XSLT
2 to act on the current group.
Note that the current element within a <xsl:for-each-group> is the
first member of the group.
I hope this helps.
. . . . . . . . . . Ken
T:\ftemp>type chun.xml
<?xml version="1.0" encoding="UTF-8"?>
<perm_testing>
<user name="SFO">
<tab name="YourSource">
<sub name="Client">
<checkpoint name="View" value="no"/>
</sub>
</tab>
<tab name="Requisition">
<sub name="General Info">
<checkpoint name="View" value="yes"/>
</sub>
</tab>
<tab name="Requisition">
<sub name="General Info">
<checkpoint name="Create" value="no"/>
</sub>
</tab>
<tab name="Requisition">
<sub name="General Info">
<checkpoint name="Edit" value="no"/>
</sub>
</tab>
<tab name="Requisition">
<sub name="Discussion">
<checkpoint name="View" value="no"/>
</sub>
</tab>
<tab name="Requisition">
<sub name="Discussion">
<checkpoint name="Create" value="yes"/>
</sub>
</tab>
<tab name="Requisition">
<sub name="Discussion">
<checkpoint name="Edit" value="no"/>
</sub>
</tab>
<tab name="Requisition">
<sub name="Resume/Quote">
<checkpoint name="View" value="no"/>
</sub>
</tab>
</user>
<user name="ABC">
<tab name="YourSource">
<sub name="Client">
<checkpoint name="View" value="yes"/>
</sub>
</tab>
<tab name="Requisition">
<sub name="General Info">
<checkpoint name="View" value="yes"/>
</sub>
</tab>
<tab name="Requisition">
<sub name="General Info">
<checkpoint name="Create" value="no"/>
</sub>
</tab>
</user>
</perm_testing>
T:\ftemp>type chun.xsl
<?xml version="1.0" encoding="US-ASCII"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="2.0">
<xsl:output indent="yes"/>
<xsl:strip-space elements="*"/>
<xsl:template match="user">
<xsl:copy>
<xsl:copy-of select="@*"/>
<xsl:for-each-group select="tab" group-by="@name">
<tab name="{(_at_)name}">
<xsl:for-each-group select="current-group()/sub" group-by="@name">
<sub name="{(_at_)name}">
<xsl:apply-templates select="current-group()/checkpoint"/>
</sub>
</xsl:for-each-group>
</tab>
</xsl:for-each-group>
</xsl:copy>
</xsl:template>
<xsl:template match="@*|node()"><!--identity for all other nodes-->
<xsl:copy>
<xsl:apply-templates select="@*|node()"/>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
T:\ftemp>call xslt2 chun.xml chun.xsl chun.out
T:\ftemp>type chun.out
<?xml version="1.0" encoding="UTF-8"?>
<perm_testing>
<user name="SFO">
<tab name="YourSource">
<sub name="Client">
<checkpoint name="View" value="no"/>
</sub>
</tab>
<tab name="Requisition">
<sub name="General Info">
<checkpoint name="View" value="yes"/>
<checkpoint name="Create" value="no"/>
<checkpoint name="Edit" value="no"/>
</sub>
<sub name="Discussion">
<checkpoint name="View" value="no"/>
<checkpoint name="Create" value="yes"/>
<checkpoint name="Edit" value="no"/>
</sub>
<sub name="Resume/Quote">
<checkpoint name="View" value="no"/>
</sub>
</tab>
</user>
<user name="ABC">
<tab name="YourSource">
<sub name="Client">
<checkpoint name="View" value="yes"/>
</sub>
</tab>
<tab name="Requisition">
<sub name="General Info">
<checkpoint name="View" value="yes"/>
<checkpoint name="Create" value="no"/>
</sub>
</tab>
</user>
</perm_testing>
T:\ftemp>rem Done!
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