Re: [xsl] Multi level Grouping using xslt1.0

Bafna, Kamlesh wrote:

> The requirement is to group by Company, then by Business, then by
> Department & finally the Account.
>
> The output expected is -
>
> <Message>
>   <Company>
>     <Code>491</Code>
>     <Business>
>       <Code>0000</Code>
>       <Department>
>         <Code>0000</Code>
>         <Account>30010</Account>      
>       </Department>
>       <Department>
>         <Code>0001</Code>
>         <Account>30010</Account>       
>       </Department>
>     </Business>
>   </Company>
>   <Company>
>     <Code>498</Code>
>     <Business>
>       <Code>0000</Code>
>       <Department>
>         <Code>0000</Code>
>         <Account>30010</Account>
>       </Department>
>     </Business>
>     <Business>
>       <Code>0001</Code>
>       <Department>
>         <Code>0000</Code>
>         <Account>30011</Account>
>       </Department>
>     </Business>
>   </Company>
> </Message>
This should do:

<xsl:stylesheet
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
  version="1.0">

  <xsl:output indent="yes"/>

  <xsl:key name="by-company"
           match="Row"
           use="Company"/>

  <xsl:key name="by-business"
           match="Row"
           use="concat(Company, '|', Business)"/>

  <xsl:key name="by-department"
           match="Row"
           use="concat(Company, '|', Business, '|', Department)"/>

  <xsl:key name="by-account"
           match="Row"
           use="concat(Company, '|', Business, '|', Department, '|', 
Account)"/>
  <xsl:template match="Data">
    <Message>
      <xsl:apply-templates select="Rows/Row[generate-id() = 
generate-id(key('by-company', Company)[1])]" mode="company"/>
    </Message>
  </xsl:template>

  <xsl:template match="Row" mode="company">
    <Company>
      <Code>
        <xsl:value-of select="Company"/>
      </Code>
      <xsl:apply-templates select="key('by-company', 
Company)[generate-id() = generate-id(key('by-business', concat(Company, 
'|', Business))[1])]" mode="business"/>
    </Company>
  </xsl:template>

  <xsl:template match="Row" mode="business">
    <Business>
      <Code>
        <xsl:value-of select="Business"/>
      </Code>
      <xsl:apply-templates select="key('by-business', concat(Company, 
'|', Business))[generate-id() = generate-id(key('by-department', 
concat(Company, '|', Business, '|', Department))[1])]" mode="department"/>
    </Business>
  </xsl:template>

  <xsl:template match="Row" mode="department">
    <Department>
      <Code>
        <xsl:value-of select="Department"/>
      </Code>
      <xsl:apply-templates select="key('by-department', concat(Company, 
'|', Business, '|', Department))[generate-id() = 
generate-id(key('by-account', concat(Company, '|', Business, '|', 
Department, '|', Account))[1])]" mode="account"/>
    </Department>
  </xsl:template>

  <xsl:template match="Row" mode="account">
    <Account>
      <xsl:value-of select="Account"/>
    </Account>
  </xsl:template>

</xsl:stylesheet>


--

        Martin Honnen
        http://JavaScript.FAQTs.com/

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