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[xsl] Transforming tabular information to hierarchical

2007-02-13 09:31:03
If I have a tabular data set that defines parent-child relationships, is it
possible to transform this into a hierarchical tree format using XSLT?

eg source:

ID      ParentID        Name    col1    col2    col3
1       null            One     bla1    bla1    bla1
2       1               Two     bla2    bla2    bla2
3       2               Three   bla3    bla3    bla3
4       3               Four    bla4    bla4    bla4
5       1               Five    bla5    bla5    bla5
6       4               Six     bla6    bla6    bla6
7       4               Seven   bla7    bla7    bla7
8       7               Eight   bla8    bla8    bla8
9       3               Nine    bla9    bla9    bla9
10      9               Ten     bla10   bla10   bla10

desired output:

<?xml version="1.0" encoding="utf-8"?>
<ul id='root' xmlns:bla="http://www.blablabla.com/bla";>
  <li id='1' bla:col1='bla1' bla:col2='bla1' bla:col3='bla1'>
    One
    <ul>
      <li bla:col1='bla2' bla:col2='bla2' bla:col3='bla2'>
        Two
        <ul>
        <li bla:col1='bla3' bla:col2='bla3' bla:col3='bla3' />Three
        <ul>
          <li id='4' bla:col1='bla4' bla:col2='bla4' bla:col3='bla4' />Four
          <ul>
            <li id='6' bla:col1='bla6' bla:col2='bla6'
bla:col3='bla6'>Six</li>
            <li id='7' bla:col1='bla7' bla:col2='bla7' bla:col3='bla7'>
              Seven
              <ul>
                <li id='8' bla:col1='bla8' bla:col2='bla8'
bla:col3='bla8'>Eight</li>
              </ul>
            </li>
          </ul>
          <li id='9' bla:col1='bla9' bla:col2='bla9' bla:col3='bla9'>
            Nine
            <ul>
              <li id='10' bla:col1='bla10' bla:col2='bla10'
bla:col3='bla10'>Ten</li>
            </ul>
          </li>
        </ul>
      </ul>
      </li>
      <li id='5' bla:col1='bla5' bla:col2='bla5' bla:col3='bla5'>Five</li>
    </ul>
  </li>
</ul>


Thanks, Simon


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