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(Delphi ActiveX) Sort JSON Object by Member Key NameSee more JSON ExamplesDemonstrates how to sort the members of a JSON object by the key name. IMPORTANT: This example requires a pre-release for the next version of Chilkat after the current v9.5.0.99 release. Contact info@chilkatsoft.com if you wish to get a pre-release. However, pre-releases of .NET Core (hosted on NuGet) and Node.js will not be possible.
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_v9_5_0_TLB; ... procedure TForm1.Button1Click(Sender: TObject); var json: TChilkatJsonObject; ascending: Integer; caseSensitive: Integer; jsonAbc: IChilkatJsonObject; begin json := TChilkatJsonObject.Create(Self); json.UpdateString('xyz','1234'); json.UpdateString('abc.xyz','1234'); json.UpdateString('abc.def','1234'); json.UpdateString('abc.aaa','1234'); json.UpdateString('ghi','1234'); json.UpdateString('nmo','1234'); json.EmitCompact := 0; Memo1.Lines.Add(json.Emit()); // This is our initial JSON: // { // "xyz": "1234", // "abc": { // "xyz": "1234", // "def": "1234", // "aaa": "1234" // }, // "ghi": "1234", // "nmo": "1234" // } // Sort the top-level JSON object by key. ascending := 1; caseSensitive := 1; json.Sort(ascending,caseSensitive); // Look at the sorted JSON.. Memo1.Lines.Add(json.Emit()); // { // "abc": { // "xyz": "1234", // "def": "1234", // "aaa": "1234" // }, // "ghi": "1234", // "nmo": "1234", // "xyz": "1234" // } // Now sort the members of the "abc" object.. jsonAbc := json.ObjectOf('abc'); jsonAbc.Sort(ascending,caseSensitive); // Now look at the JSON with the members under "abc" also sorted.. Memo1.Lines.Add(json.Emit()); // { // "abc": { // "aaa": "1234", // "def": "1234", // "xyz": "1234" // }, // "ghi": "1234", // "nmo": "1234", // "xyz": "1234" // } end; |
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