Dart

XML Sort Records by Content

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Demonstrates the SortRecordsByContent method.

The input XML, available at http://www.chilkatsoft.com/data/fruitRecordsSort.xml, is this:

<root>
    <fruits>
        <fruit>
            <name>apple</name>
            <color>red</color>
        </fruit>
        <fruit>
            <name>banana</name>
            <color>yellow</color>
        </fruit>
        <fruit>
            <name>blackberry</name>
            <color>purple</color>
        </fruit>
        <fruit>
            <name>blueberry</name>
            <color>blue</color>
        </fruit>
        <fruit>
            <name>orange</name>
            <color>orange</color>
        </fruit>
        <fruit>
            <name>pear</name>
            <color>green</color>
        </fruit>
    </fruits>
</root>

Dart

import 'package:chilkat/chilkat.dart';

void main() {
  final xml = CkXml();

  // The sample input XML is available at http://www.chilkatsoft.com/data/fruitRecordsSort.xml
  try {
    xml.loadXmlFile('fruitRecordsSort.xml');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // The "fruit" records are direct children of the "fruits" node.
  // Therefore, to sort the fruit records, the SortRecordsByContent
  // method must be called from the "fruits" node.
  final xSortRoot = xml.findChild('fruits');

  // Sort by the "name" field in ascending order.
  final bAscending = true;
  xSortRoot.sortRecordsByContent('name', bAscending);

  // Show the result:
  print(xml.getXml());

  // <root>
  //     <fruits>
  //         <fruit>
  //             <name>apple</name>
  //             <color>red</color>
  //         </fruit>
  //         <fruit>
  //             <name>banana</name>
  //             <color>yellow</color>
  //         </fruit>
  //         <fruit>
  //             <name>blackberry</name>
  //             <color>purple</color>
  //         </fruit>
  //         <fruit>
  //             <name>blueberry</name>
  //             <color>blue</color>
  //         </fruit>
  //         <fruit>
  //             <name>orange</name>
  //             <color>orange</color>
  //         </fruit>
  //         <fruit>
  //             <name>pear</name>
  //             <color>green</color>
  //         </fruit>
  //     </fruits>
  // </root>
}