Re: [xsl] Grooping and Sorting problem

At 2002-03-28 14:14 -0500, Frédéric Tremblay wrote:

> Hi, i want to make a HTML table with 5 column and n rows with a XML like
> this:
>
> <root>
>       <test number="3">
>       <test number="1">
>       <test number="4">
>       <test number="2">
>       <test number="5">
>       ...
>       <test number="100">
> </root>
>
> so i want to make a table with 5 column and n rows, at every 5 element
> i want a new row.
>
> BUT THE PROBLEM IS: I NEED TO HAVE ALL ELEMENT SORTED!!!
>
> How can i do this?

In two steps ... first do the sort and then the containerization into rows.

Because axes are not changed when sorting the node list, I'm not sure what you need can be done recursively in a single pass. At least I haven't tried very hard because the two-pass works quickly.

I hope this helps.

........................ Ken


t:\ftemp>type fred.xml
<root>
  <test number="3"/>
  <test number="1"/>
  <test number="4"/>
  <test number="2"/>
  <test number="5"/>
  <test number="8"/>
  <test number="9"/>
  <test number="13"/>
  <test number="21"/>
  <test number="34"/>
  <test number="12"/>
  <test number="45"/>
  <test number="100"/>
</root>

t:\ftemp>type fred-int.xsl
<?xml version="1.0" encoding="iso-8859-1"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
                version="1.0">

<xsl:template match="/root">
  <root>
    <xsl:for-each select="test">
      <xsl:sort select="@number" data-type="number"/>
      <xsl:copy-of select="."/>
    </xsl:for-each>
  </root>
</xsl:template>

</xsl:stylesheet>

t:\ftemp>type fred.xsl
<?xml version="1.0" encoding="iso-8859-1"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
                version="1.0">

<xsl:template match="/">
  <html>
    <body>
      <xsl:apply-templates/>
    </body>
  </html>
</xsl:template>

<xsl:template match="root">
  <table>
    <xsl:for-each select="test[1]"><!--establish the current node list-->
      <xsl:call-template name="do-a-row"/>
    </xsl:for-each>
  </table>
</xsl:template>

<!--containerize the groups of columns in a single row-->
<xsl:template name="do-a-row">
  <tr>
    <xsl:call-template name="do-a-col"/>
  </tr>
  <xsl:for-each select="following-sibling::test[5]">
    <xsl:call-template name="do-a-row"/>
  </xsl:for-each>
</xsl:template>

<xsl:template name="do-a-col">
  <xsl:param name="index" select="5"/>
  <xsl:if test="$index">
    <td>
      <xsl:value-of select="@number"/>
    </td>
    <xsl:for-each select="following-sibling::test[1]">
      <xsl:call-template name="do-a-col">
        <xsl:with-param name="index" select="$index - 1"/>
      </xsl:call-template>
    </xsl:for-each>
  </xsl:if>
</xsl:template>

</xsl:stylesheet>

t:\ftemp>saxon -o fred-int.xml fred.xml fred-int.xsl

t:\ftemp>saxon -o fred.htm fred-int.xml fred.xsl

t:\ftemp>type fred.htm
<html>
   <body>
      <table>
         <tr>
            <td>1</td>
            <td>2</td>
            <td>3</td>
            <td>4</td>
            <td>5</td>
         </tr>
         <tr>
            <td>8</td>
            <td>9</td>
            <td>12</td>
            <td>13</td>
            <td>21</td>
         </tr>
         <tr>
            <td>34</td>
            <td>45</td>
            <td>100</td>
         </tr>
      </table>
   </body>
</html>


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