Pascal (Lazarus/Delphi)

Example: JsonObject.NewArrayOf method

See more JSON Examples

Demonstrates the NewArrayOf method. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  big_cats: string;
  json: TJsonObject;

begin
  success := False;

  big_cats := '["lion","tiger","leopard","jaguar","cheetah","snow leopard","clouded leopard","cougar","puma","panther"]';

  json := TJsonObject.Create;

  json.UpdateString('test','abc');

  success := json.NewArrayOf('big_cats',big_cats);
  if (success = False) then
    begin
      WriteLn(json.LastErrorText);
      Exit;
    end;

  json.EmitCompact := False;
  WriteLn(json.Emit());

  //  Result:

  //  {
  //    "test": "abc",
  //    "big_cats": [
  //      "lion",
  //      "tiger",
  //      "leopard",
  //      "jaguar",
  //      "cheetah",
  //      "snow leopard",
  //      "clouded leopard",
  //      "cougar",
  //      "puma",
  //      "panther"
  //    ]
  //  }


  json.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.