(Unicode C++) Quoted-Printable Encode/Decode a String

Unicode C++ example to quoted-printable encode and decode a string.

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#include <CkCrypt2W.h>

void ChilkatSample(void)
    {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkCrypt2W crypt;

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

    crypt.put_CryptAlgorithm(L"none");
    crypt.put_EncodingMode(L"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.put_Charset(L"iso-8859-1");
    const wchar_t *qp = crypt.encryptStringENC(s);
    wprintf(L"iso-8859-1:\n");
    wprintf(L"%s\n",qp);
    const wchar_t *decoded = crypt.decryptStringENC(qp);
    wprintf(L"%s\n",decoded);

    // Now do the same using utf-8. Notice how each
    // Icelandic char is represented by 2 bytes in utf-8:
    crypt.put_Charset(L"utf-8");
    const wchar_t *qp = crypt.encryptStringENC(s);
    wprintf(L"utf-8:\n");
    wprintf(L"%s\n",qp);
    const wchar_t *decoded = crypt.decryptStringENC(qp);
    wprintf(L"%s\n",decoded);
    }