(Delphi DLL) 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>

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Xml;

...

procedure TForm1.Button1Click(Sender: TObject);
var
xml: HCkXml;
xSortRoot: HCkXml;
success: Boolean;
bAscending: Boolean;

begin
xml := CkXml_Create();

// The sample input XML is available at http://www.chilkatsoft.com/data/fruitRecordsSort.xml
success := CkXml_LoadXmlFile(xml,'fruitRecordsSort.xml');
if (success <> True) then
  begin
    Memo1.Lines.Add(CkXml__lastErrorText(xml));
    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 := CkXml_FindChild(xml,'fruits');

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

// Show the result:
Memo1.Lines.Add(CkXml__getXml(xml));

// <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>

CkXml_Dispose(xSortRoot);

CkXml_Dispose(xml);

end;