(Delphi) XML Sort Records by Content

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>

Download Chilkat XML ActiveX

uses
    Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
    Dialogs, StdCtrls,
    CHILKATXMLLib_TLB,
    OleCtrls;

...

procedure TForm1.Button1Click(Sender: TObject);
var
xml: CHILKATXMLLib_TLB.IChilkatXml;
xSortRoot: CHILKATXMLLib_TLB.IChilkatXml;
success: Integer;
bAscending: Integer;

begin
xml := TChilkatXml.Create(Self).ControlInterface;

//  The sample input XML is available at http://www.chilkatsoft.com/data/fruitRecordsSort.xml
success := xml.LoadXmlFile('fruitRecordsSort.xml');
if (success <> 1) then
  begin
    Memo1.Lines.Add(xml.LastErrorText);
    Exit;
  end;

//  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.
xSortRoot := xml.FindChild('fruits');

//  Sort by the "name" field in ascending order.
bAscending := 1;
xSortRoot.SortRecordsByContent('name',bAscending);

//  Show the result:
Memo1.Lines.Add(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>



end;