C++

Set a MIME Body from Transfer-Encoded Text

Demonstrates the Chilkat Mime.SetBodyFromEncoded method, which sets the body from already transfer-encoded text. The first argument is the encoding (base64 or quoted-printable) and the second is the encoded text.

Background: Sometimes you already hold content in its encoded form — a Base64 string from a database or another API — and re-decoding just to have Chilkat re-encode it is wasteful. This method stores the encoded text as-is and records the matching transfer encoding, so the body is correct without a needless round trip. Only the standard reversible encodings, Base64 and quoted-printable, are accepted.

Chilkat C++ Downloads

Download Chilkat for C++

C++

#include <CkMime.h>

void ChilkatSample(void)
    {
    bool success = false;

    //  Demonstrates the Mime.SetBodyFromEncoded method, which sets the body from already transfer-
    //  encoded text.  The 1st argument is the encoding ("base64" or "quoted-printable") and the 2nd is
    //  the encoded text.

    CkMime mime;

    mime.put_ContentType("text/plain");

    //  The body is provided already Base64-encoded; Chilkat stores it without re-encoding.
    const char *base64Body = "SGVsbG8sIHRoaXMgaXMgdGhlIGJvZHku";
    success = mime.SetBodyFromEncoded("base64",base64Body);
    if (success == false) {
        std::cout << mime.lastErrorText() << "\r\n";
        return;
    }

    //  The decoded body is the original text.
    const char *decoded = mime.getBodyDecoded();
    if (mime.get_LastMethodSuccess() == false) {
        std::cout << mime.lastErrorText() << "\r\n";
        return;
    }

    std::cout << decoded << "\r\n";
    }