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Setting the context node

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Milby7

Milby7

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Dec 5, 2003
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does anyone know how to set the context node when processing an xml document with xsl? i.e. how do you move the context node to another node further up/down the document?

i thought i could do it by using <apply-templates select="another node"/>, but i still get stuff outputted from nodes between the node where the apply-templates is called and the one selected!?

thanks!!

 
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Try using xsl:match-template.

Chip H.


____________________________________________________________________
If you want to get the best response to a question, please read FAQ222-2244 first
 
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i've written a load of code below. if you run it, then you'll see that none of the blocks of document nodes are missed which is what i'm trying to do.

Code: 
<?xml version="1.0" encoding="UTF-8"?>

<!-- source document to be transformed -->

<doc>
 <page>
  <content>
   <para>
    <run>
     <text>
      <condition eval="THIS = 'TEST'">&lt;&lt;IF THIS = 'TEST'&gt;&gt;</condition>
     </text>
    </run>
   </para>
   <para>
    <run>
     <text>IF EVALUATED TO TRUE!!!</text>
    </run>
   </para>
   <para>
    <run>
     <text>
      <condition eval="ELSE">&lt;&lt;ELSE&gt;&gt;&lt;&lt;IF THIS = 'TEST'&gt;&gt;</condition>
     </text>
    </run>
   </para>
   <para>
    <run>
     <text>IF EVALUATED TO FALSE!!!</text>
    </run>
   </para>
   <para>
    <run>
     <text>
      <condition eval="END">&lt;&lt;ENDIF&gt;&gt;&lt;&lt;IF THIS = 'TEST'&gt;&gt;</condition>
     </text>
    </run>
   </para>
  </content>
 </page>
</doc>

Code: 
<?xml version="1.0" encoding="UTF-8"?>

<!-- source document's condition information (merge-data.xml) -->

<dataset>
 <condition ref="&lt;&lt;IF WEATHER = 'BAD'&gt;&gt;">TRUE</condition>
 <condition ref="&lt;&lt;IF THIS = 'TEST'&gt;&gt;">TRUE</condition>
 <condition ref="&lt;&lt;IF THISDATA = 'RANDOM'&gt;&gt;">TRUE</condition>
</dataset>

Code: 
<?xml version="1.0" encoding="UTF-8"?>

<!-- xslt stylesheet -->

<xsl:stylesheet version="1.0"
 xmlns:xsl="[URL unfurl="true"]http://www.w3.org/1999/XSL/Transform"[/URL]
 xmlns:sdp="[URL unfurl="true"]http://www.sectornet.co.uk/2004/DocPro">[/URL]

 <xsl:output method="html"/>
 
 <xsl:variable name="mergeData" select="document('merge-data.xml')//dataset"/>
 
 <!-- ++++++++++++++++++++++++++++++++++ -->
 <!-- ++++++++++++++++++++++++++++++++++ -->
 <xsl:template match="/">
  <html>
   <head>
    <title>condition test output.</title>
   </head>
   <body>
    <center>
     <h1>Condition Test.</h1>
    </center>
    
    [b]<xsl:apply-templates select="doc/page/content"/>[/b]
   </body>
  </html>
 </xsl:template>
 
 <!-- ++++++++++++++++++++++++++++++++++ -->
 <!-- ++++++++++++++++++++++++++++++++++ -->
 <xsl:template match="para">
  <p>
   [b]<xsl:apply-templates/>[/b]
  </p>
 </xsl:template>
 
 <!-- ++++++++++++++++++++++++++++++++++ -->
 <!-- ++++++++++++++++++++++++++++++++++ -->
 <xsl:template match="text">
  [b]<xsl:apply-templates/>[/b]
 </xsl:template>
 
 <!-- ++++++++++++++++++++++++++++++++++ -->
 <!-- ++++++++++++++++++++++++++++++++++ -->
 <xsl:template match="condition">
  <xsl:variable name="curNode" select="."/>
  
  <xsl:text> (CONDITION) </xsl:text>
  
  <xsl:choose>
   <xsl:when test="$curNode/@eval = 'ELSE'">
    <!-- process else statement -->
    <xsl:variable name="prevIfNode" select="$mergeData/condition[@ref = substring-after($curNode, '&lt;&lt;ELSE&gt;&gt;')]"/>
    
    <xsl:if test="$prevIfNode = 'TRUE'">
     <!-- go to end tag -->
     [b]<xsl:apply-templates select="ancestor::*/following::*/condition[text() = concat('&lt;&lt;ENDIF&gt;&gt;', $prevIfNode/@eval)]"/>[/b]
    </xsl:if>
    
   </xsl:when>
   <xsl:when test="$curNode/@eval != 'END'">
    <!-- process if statement -->
    <xsl:variable name="curIfNode" select="$mergeData/condition[@ref = $curNode]"/>
    
    <xsl:if test="$curIfNode != 'TRUE'">
     <xsl:choose>
      <xsl:when test="ancestor::*/following::*/condition/text() = concat('&lt;&lt;ELSE&gt;&gt;', $curNode)">
       <!-- go to else tag -->
       [b]<xsl:apply-templates select="ancestor::*/following::*/condition[text() = concat('&lt;&lt;ELSE&gt;&gt;', $curNode)]"/>[/b]
      </xsl:when>
      <xsl:otherwise>
       <!-- go to end tag -->
       [b]<xsl:apply-templates select="ancestor::*/following::*/condition[text() = concat('&lt;&lt;ENDIF&gt;&gt;', $curNode)]"/>[/b]
      </xsl:otherwise>
     </xsl:choose>
    </xsl:if>
   </xsl:when>
  </xsl:choose>
 </xsl:template>
</xsl:stylesheet>
 
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