Pascal (Lazarus/Delphi)

Quoted-Printable Encode/Decode a String

See more Encryption Examples

_LANGUAGE_ example to quoted-printable encode and decode a string. 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.Crypt2;

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

procedure RunDemo;
var
  crypt: TCrypt2;
  s: string;
  qp: string;
  decoded: string;
  qp: string;
  decoded: string;

begin
  //  This example requires the Chilkat API to have been previously unlocked.
  //  See Global Unlock Sample for sample code.

  crypt := TCrypt2.Create;

  //  Here's a string in Icelandic using non us-ascii chars:
  s := 'Ég get etið gler án þess að meiða mig.';

  crypt.CryptAlgorithm := 'none';
  crypt.EncodingMode := 'quoted-printable';

  //  Quoted-printable encode/decode the iso-8859-1
  //  representation of the string.  Notice how each
  //  Icelandic char is represented by 1 byte:
  crypt.Charset := 'iso-8859-1';
  qp := crypt.EncryptStringENC(s);
  WriteLn('iso-8859-1:');
  WriteLn(qp);
  decoded := crypt.DecryptStringENC(qp);
  WriteLn(decoded);

  //  Now do the same using utf-8. Notice how each
  //  Icelandic char is represented by 2 bytes in utf-8:
  crypt.Charset := 'utf-8';
  qp := crypt.EncryptStringENC(s);
  WriteLn('utf-8:');
  WriteLn(qp);
  decoded := crypt.DecryptStringENC(qp);
  WriteLn(decoded);


  crypt.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.