Delphi ActiveX

XML Sort by Tag

See more XML Examples

Demonstrates the SortByTag method.

The input XML, available at http://www.chilkatsoft.com/data/fruitSort1.xml, is this:

<root>
    <fruits>
        <apple>
            <fuji>blah</fuji>
            <gala>blah</gala>
            <grannySmith>blah</grannySmith>
            <honeycrisp>blah</honeycrisp>
            <mcIntosh>blah</mcIntosh>
        </apple>
        <banana>blah</banana>
        <blackberry>blah</blackberry>
        <blueberry>blah</blueberry>
        <orange>blah</orange>
        <pear>blah</pear>
    </fruits>
</root>

Delphi ActiveX

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

...

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

begin
success := 0;

xml := TChilkatXml.Create(Self);

// The sample input XML is available at http://www.chilkatsoft.com/data/fruitSort1.xml
success := xml.LoadXmlFile('fruitSort1.xml');
if (success <> 1) then
  begin
    Memo1.Lines.Add(xml.LastErrorText);
    Exit;
  end;

// Sort the direct children under the "fruits" node by tag:
xSortRoot := xml.FindChild('fruits');

// Sort in ascending order.
bAscending := 1;
xSortRoot.SortByTag(bAscending);

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

// <root>
//     <fruits>
//         <apple>
//             <grannySmith>blah</grannySmith>
//             <gala>blah</gala>
//             <fuji>blah</fuji>
//             <mcIntosh>blah</mcIntosh>
//             <honeycrisp>blah</honeycrisp>
//         </apple>
//         <banana>blah</banana>
//         <blackberry>blah</blackberry>
//         <blueberry>blah</blueberry>
//         <orange>blah</orange>
//         <pear>blah</pear>
//     </fruits>
// </root>

// Sort the direct children under the "apple" node:
success := xSortRoot.FindChild2('apple');

xSortRoot.SortByTag(bAscending);
Memo1.Lines.Add(xml.GetXml());

// <root>
//     <fruits>
//         <apple>
//             <fuji>blah</fuji>
//             <gala>blah</gala>
//             <grannySmith>blah</grannySmith>
//             <honeycrisp>blah</honeycrisp>
//             <mcIntosh>blah</mcIntosh>
//         </apple>
//         <banana>blah</banana>
//         <blackberry>blah</blackberry>
//         <blueberry>blah</blueberry>
//         <orange>blah</orange>
//         <pear>blah</pear>
//     </fruits>
// </root>
end;