RE: [xsl] Need to Split/Un-Nest elements

[<mandar.jagtap@xxxxxxxxx>]

Hi Andrew...

Thanks for the response and stylesheet too...It's working well with me
but with one limitation. In the input xml, I can't be sure about that
how many nested block level elements would be there inside <page> i.e.
descendants of <page> can be many nested <block> elements and also they
can be <list>, <table> etc.  I tried using <xsl:template match="*"
mode='copy'> instead of <xsl:template match="inline" mode="copy"> in the
stylesheet but in that case it doesn't copy parent elements of original
<inline> or <block> from original <page> element to newly generated
(replicated) <page>. i.e. as per example below, it doesn't copy the 3
nested <block> elements in the replicated <page> element. Could you
please suggest on this?

Current output is as below:

Current Input XML:

<?xml version='1.0'?>
<region>
   <page>
	<block>Text1.....</block>
	  <block>
		<block>
			<block>
				<inline>Text2.....</inline>
				<table>
					<cell>cell1.....</cell>
					<cell>cell2.....</cell>
				</table>
				<page>
					<block>Text3.....</block>
				</page>
				<list>
					<item1>Text4......</item1>
					<item2>Text5......</item2>
				</list>
			</block>
		</block>
	  </block>
   </page>
   <page>
        <block>Text5.....</block>
   </page>
</region>


Current Output using <xsl:template match="*" mode="copy">:

<?xml version="1.0" encoding="UTF-8"?>
<region>
   <page>
	<block>Text1.....</block>
	<block>
	      <block>
		        <block>
			      <inline>Text2.....</inline>
			      <table>
			        <cell>cell1.....</cell>
			        <cell>cell2.....</cell>
			      </table>
			  </block>
		</block>
	</block>
   </page>
   <page>
	<block>Text3.....</block>
   </page>
   <page>
      <list>
	   <item1>Text4......</item1>
	   <item2>Text5......</item2>
	</list>
   </page>
   <page>
        <block>Text5.....</block>
   </page>
</region>

Thanks & Regards
Mandar

>> Hi,
>>
>> I want to split/un-nest the elements in xml like below:
>>
>> Input xml:
>>
>>         <region>
>>            <page>
>>               <block>Text1.....</block>
>>               <block>
>>                    <inline>Text2.....</inline>
>>                    <page>
>>                        <block>Text3.....</block>
>>                    </page>
>>                    <inline>Text4......</inline>
>>               </block>
>>            </page>
>>            <page>
>>               <block>Text5.....</block>
>>            </page>
>>         </region>
>>
>> Desired Output:
>>
>>   <region>
>>        <page>
>>               <block>Text1.....</block>
>>               <block>
>>                     <inline>Text2.....</inline>
>>               </block>
>>        </page>
>>        <page>
>>               <block>Text3.....</block>
>>        </page>
>>        <page>
>>               <block>
>>                   <inline>Text4......</inline>
>>               </block>
>>        </page>
>>        <page>
>>               <block>Text5.....</block>
>>        </page>
>>
>>   </region>
>>
>> Can anyone help me on this?


>You need the "modified identity" or "sibling recursion" technique to
allow you stop processing as you come across a ><page> element:
>
>
><xsl:stylesheet version="1.0"
>   xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
>
>   <xsl:output indent="yes"/>
>
>   <xsl:template match="node()">
>       <xsl:copy>
>           <xsl:apply-templates select="@*|node()[1]"/>
>       </xsl:copy>
>       <xsl:apply-templates select="following-sibling::node()[1]"/>
>   </xsl:template>
>
>   <xsl:template match="@*">
>       <xsl:copy/>
>   </xsl:template>
>
>   <xsl:template match="/region">
>       <xsl:copy>
>           <xsl:apply-templates
>select="//page|//*[preceding-sibling::*[1][self::page]]" mode="copy"/>
>       </xsl:copy>
>   </xsl:template>
>
>   <xsl:template match="page" mode="copy">
>       <xsl:copy>
>           <xsl:apply-templates select="node()[1]"/>
>       </xsl:copy>
>   </xsl:template>
>
>   <xsl:template match="inline" mode="copy">
>       <page>
>           <block>
>               <xsl:apply-templates select="."/>
>           </block>
>       </page>
>   </xsl:template>
>
>   <xsl:template match="page"/>
>
></xsl:stylesheet>
>
>
>Sorry I don't have time to explain it...
>
>
>--
>Andrew Welch
>http://andrewjwelch.com
>Kernow: http://kernowforsaxon.sf.net/

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