Re: [xsl] xml to xml issue in XSLT2.0

["G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx>]

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="{@name}">
        <xsl:for-each-group select="current-group()/sub" group-by="@name">
          <sub name="{@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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