Lazarus Pascal

StringBuilder Encode

Demonstrates the Chilkat StringBuilder Encode method. Lazarus Pascal

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.StringBuilder;

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

procedure RunDemo;
var
  s: string;
  sb: TStringBuilder;

begin
  s := 'The quick brown fox jumps over the lazy dog';

  sb := TStringBuilder.Create;

  sb.Append(s);

  //  output: The quick brown fox jumps over the lazy dog
  WriteLn(sb.GetAsString());

  sb.Encode('base64','utf-8');

  //  output: VGhlIHF1aWNrIGJyb3duIGZveCBqdW1wcyBvdmVyIHRoZSBsYXp5IGRvZw==
  WriteLn(sb.GetAsString());

  sb.Decode('base64','utf-8');
  //  output: The quick brown fox jumps over the lazy dog
  WriteLn(sb.GetAsString());

  //  Now encode to hex..
  sb.Encode('hex','utf-8');
  //  output: 54686520717569636B2062726F776E20666F78206A756D7073206F76657220746865206C617A7920646F67
  WriteLn(sb.GetAsString());

  sb.Decode('hex','utf-8');
  //  URL encode
  sb.Encode('url','utf-8');
  WriteLn(sb.GetAsString());

  sb.Decode('url','utf-8');
  //  base64url
  sb.Encode('base64url','utf-8');
  WriteLn(sb.GetAsString());

  //  other possible encodings include modbase64, base32, base58, quoted-printable, url_rfc1738, url_rfc2396, url_rfc3986, and fingerprint


  sb.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.