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Old 05-17-2011, 07:10 PM   PM User | #1
nileshdchavan
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Post Query in XSLT Coding - building Hierarchy

hello,

I want to convert data in the following format into the hierarchically/structured data maintaining the levels. Could you please help me writing the XSLT. I've been implementing the logic but not able to complete it.

Here's the sample input:
Code:
<?xml version="1.0"?>
<HTML>
  <BODY LANG="EN-US" STYLE="text-justify-trim:punctuation">
    <DIV CLASS="WordSection1">
      <P CLASS="ahead" STYLE="margin-left:0in;text-indent:0in">A</P>
      <P CLASS="ahead" STYLE="margin-left:0in;text-indent:0in"></P>
      <P CLASS="Main">
        <B>ABSOLUTE DEEDS AS MORTGAGES,</B> 2.01
      </P>
      <P CLASS="Main"></P>
      <P CLASS="Main">
        <B>ACCELERATION OF OBLIGATION,</B> 5.01 to5.04. (<I>See</I> <B>DEFAULT AND ACCELERATION OFOBLIGATION</B>)
      </P>
      <P CLASS="Main"></P>
      <P CLASS="Main">
        <B>AFFIDAVITS</B>
      </P>
      <P CLASS="Sub1">Attorneys' fees</P>
      <P CLASS="Sub2">Affidavit of independent counsel in support ofaward, Form p. 503</P>
      <P CLASS="Sub1">Costs, affidavit as to, Form p. 504</P>
      <P CLASS="Sub1">Financial affidavit, Form p. 452</P>
      <P CLASS="Sub2">Constructive service</P>
      <P CLASS="Sub3">Publication, service by</P>
      <P CLASS="Sub4">Affidavit demonstrating due diligence,11.08</P>
      <P CLASS="Sub2">Default judgment against defendant who hasn'tanswered</P>
      <P CLASS="Sub3">Non-military affidavit, 11.10, Form p.466</P>
      <P CLASS="Sub1">Summary judgment motion, affidavits supporting,13.03, Form p. 484</P>
      <P CLASS="Sub1"></P>
      <P CLASS="Main">
        <B>AFFIRMATIVE DEFENSES</B>
      </P>
      <P CLASS="Sub1">
        Avoidances to defenses, 27. (<I>See</I><B>AVOIDANCES</B>)
      </P>
      <P CLASS="Sub1">
        Defenses generally. (<I>See</I><B>DEFENSES</B>)
      </P>
      <P CLASS="Sub2">Breach of contract, statute of frauds</P>
      <P CLASS="Sub3">Affirmative defenses not precluded, 29.03</P>
</DIV>
</BODY>
</HTML>
------------------------------------------------
Here's corresponding sample output for the data above:
Code:
<?xml version="1.0"?>
<em:index>
  <title>Index</title>
  <title-alt use4="r-running-hd">INDEX</title-alt>
  <title-alt use4="l-running-hd">INDEX</title-alt>
  <in:body>
    <level0>
       <letter>A</letter>
       <level1><B>ABSOLUTE DEEDS AS MORTGAGES,</B> 2.01</level1>
       <level1></level1>
       <level1><B>ACCELERATION OF OBLIGATION,</B> 5.01 to5.04. (<I>See</I> <B>DEFAULT AND ACCELERATION OFOBLIGATION</B>)</level1>
       <level1></level1>
       <level1><B>AFFIDAVITS</B>
         <level2> Attorneys' fees
           <level3> Affidavit of independent counsel in support ofaward, Form p. 503</level3>
         </level2>
         <level2> Costs, affidavit as to, Form p. 504 </level2>
         <level2> Financial affidavit, Form p. 452 
           <level3> Constructive service 
             <level4> Publication, service by 
               <level5> Affidavit demonstrating due diligence,11.08 </level5>
             </level4>
           </level3>
           <level3> Default judgment against defendant who hasn'tanswered 
             <level4> Non-military affidavit, 11.10, Form p.466</level4>
           </level3>
         </level2>
         <level2> Summary judgment motion, affidavits supporting,13.03, Form p. 484</level2>
         <level2></level2>
       </level1>
       <level1> AFFIRMATIVE DEFENSES 
         <level2> Avoidances to defenses, 27. (<I>See</I><B>AVOIDANCES</B>)</level2>
         <level2> Defenses generally. (<I>See</I><B>DEFENSES</B>)
           <level3> Breach of contract, statute of frauds 
             <level4> Affirmative defenses not precluded, 29.03</level4>
           </level3>
         </level2>
       </level1>
    </level0>
  </in:body>
</em:index>
---------------------------------------------------
Here's the sample XSLT i have written:
Code:
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:msxsl="urn:schemas-microsoft-com:xslt" exclude-result-prefixes="msxsl">
  <xsl:output method="xml" indent="yes"/>

  <xsl:template match="@* | node()">
    <!--<xsl:copy>-->
      <xsl:apply-templates select="@* | node() "/>
    <!--</xsl:copy>-->
  </xsl:template>

<xsl:template match="HEAD"/>
<xsl:template match="B | I">
  <xsl:apply-templates/>
</xsl:template>


  <xsl:template match="DIV" >
    <xsl:copy>
      <xsl:apply-templates select="@* | P[@CLASS = 'ahead'] "/>
    </xsl:copy>
  </xsl:template>

  <xsl:template match="P[@CLASS = 'ahead']" >
    <xsl:variable name="vContents" select="normalize-space(.)"/>
	<xsl:choose>
      <xsl:when test="string-length($vContents) &gt; 0" >
	    <xsl:element name="LEVEL0">
          <xsl:copy>
            <xsl:value-of select="."/>
          </xsl:copy>
          <xsl:apply-templates select="following-sibling::P" />
        </xsl:element>
	  </xsl:when>
	  <xsl:otherwise>
		   <xsl:apply-templates select="following-sibling::P"/>
	  </xsl:otherwise>
	</xsl:choose>
  </xsl:template>

  <xsl:template match="P[@CLASS = 'Main']" >
    <xsl:variable name="vContents" select="normalize-space(.)"/>
	  <xsl:choose>
	    <xsl:when test="string-length($vContents) &gt; 0" >
        <xsl:element name="LEVEL1">
          <xsl:copy>
            <xsl:value-of select="."/>
          </xsl:copy>
          <!--<xsl:apply-templates select="following-sibling::P[@CLASS = 'Sub1'] " />-->
        <xsl:apply-templates select="following-sibling::P[1][not(@CLASS = 'Main')] " />
        </xsl:element>
    </xsl:when>
      <xsl:otherwise>
        <xsl:element name="LEVEL1"></xsl:element>
        <xsl:apply-templates select="following-sibling::P[1][not(@CLASS = 'Main')] " />
        
      </xsl:otherwise>
	  </xsl:choose>
    
  </xsl:template>

  <xsl:template match="P[@CLASS = 'Sub1']" >
    <xsl:variable name="vContents" select="normalize-space(.)"/>
    <xsl:choose>
      <xsl:when test="string-length($vContents) &gt; 0" >
    <xsl:element name="LEVEL2">
    <xsl:copy>
      <xsl:value-of select="."/>
    </xsl:copy>
	  <xsl:apply-templates select="following-sibling::P[1][not(@CLASS = 'Sub1')]" />
       </xsl:element>
      </xsl:when>
      <xsl:otherwise>
        <xsl:apply-templates select="following-sibling::P[1][not(@CLASS = 'Sub1')] " />
      </xsl:otherwise>
    </xsl:choose>
  </xsl:template>
  
  <xsl:template match="P" >
    <xsl:variable name="Curr_Level" select="translate(@CLASS, 'Sub', '') + 1"/>
    <xsl:variable name="Prec_Level">
      <xsl:value-of select="translate(preceding-sibling::P[1]/@CLASS, 'Sub', '') + 1 "/>
    </xsl:variable>
    <xsl:variable name="Foll_Level">
      <xsl:value-of select="translate(following-sibling::P[1]/@CLASS, 'Sub', '') + 1"/>
    </xsl:variable>

    <xsl:variable name="vTempLevel" select="concat('Sub',$Curr_Level)"/>

    <xsl:choose>
      <xsl:when test="$Prec_Level  &lt; $Curr_Level">
        <xsl:element name="{concat('LEVEL', $Curr_Level)}">
          <xsl:copy>
            <xsl:value-of select="."/>
          </xsl:copy>
          <xsl:if test="not($Curr_Level &gt; $Foll_Level) ">
            <xsl:apply-templates select="following-sibling::P[1][not(@CLASS = 'Sub1')]" />
          </xsl:if>
        </xsl:element>
      </xsl:when>

      <xsl:when test="$Prec_Level = $Curr_Level">
        <xsl:copy>
          <xsl:value-of select="."/>
        </xsl:copy>
        <xsl:if test="not($Curr_Level &gt; $Foll_Level) ">
          <xsl:apply-templates select="following-sibling::P[1][not(@CLASS = 'Sub1')]" />
        </xsl:if>
      </xsl:when>

      <xsl:otherwise>
        <xsl:element name="{concat('LEVEL', $Curr_Level)}">
          <xsl:copy>
            <xsl:value-of select="."/>
          </xsl:copy>
          <xsl:if test="not($Curr_Level &gt; $Foll_Level)">
            <xsl:apply-templates select="following-sibling::P[1][not(@CLASS = 'Sub1')]" />
          </xsl:if>
        </xsl:element>
      </xsl:otherwise>
    </xsl:choose>
  </xsl:template>
</xsl:stylesheet>
---------------------------------------------------

Please let me know the solution as soon as possible. This is very critical.

Thanks!!
Nilesh.
mrsnchavan@yahoo.co.in

Last edited by Alex Vincent; 05-18-2011 at 01:37 AM.. Reason: Adding code tags
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