(Delphi DLL) Base62 Encoding and Decoding

Demonstrates base62 encoding and decoding.

Note: This example requires Chilkat v11.2.0 or greater.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
bd: HCkBinData;
base62_encoded: PWideChar;
sb: HCkStringBuilder;

begin
bd := CkBinData_Create();

// Base62 encode.
CkBinData_AppendString(bd,'hello world','utf-8');
base62_encoded := CkBinData__getEncoded(bd,'base62');
Memo1.Lines.Add('hello world --> ' + base62_encoded);

// Output: 
// hello world --> AAwf93rvy4aWQVw

// Base62 decode
sb := CkStringBuilder_Create();
CkStringBuilder_DecodeAndAppend(sb,'AAwf93rvy4aWQVw','base62','utf-8');
Memo1.Lines.Add('decoded: ' + CkStringBuilder__getAsString(sb));

// Output:
// decoded: hello world

CkBinData_Dispose(bd);
CkStringBuilder_Dispose(sb);

end;