URL-Encode a MIME Body

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Demonstrates the Chilkat Mime.UrlEncodeBody method, which replaces the current body with an application/x-www-form-urlencoded-style representation using the named charset. The only argument is the charset; it is a void method.

Background: This transforms the body into the form-encoding used by HTML form submissions — spaces to +, reserved characters to percent-escapes — interpreting the text through the given charset first so non-ASCII characters encode correctly. It is a niche operation for constructing form-style payloads within a MIME part.

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    success := false

    //  Demonstrates the Mime.UrlEncodeBody method, which replaces the current body with an
    //  application/x-www-form-urlencoded representation using the named charset.  The only argument is
    //  the charset.  It is a void method.

    mime := chilkat.NewMime()

    success = mime.SetBodyFromPlainText("name=John Doe & city=New York")
    if success == false {
        fmt.Println(mime.LastErrorText())
        mime.DisposeMime()
        return
    }

    //  URL-encode the body: spaces become "+", reserved characters become %-escapes.
    mime.UrlEncodeBody("utf-8")

    encodedBody := mime.GetBodyDecoded()
    if mime.LastMethodSuccess() == false {
        fmt.Println(mime.LastErrorText())
        mime.DisposeMime()
        return
    }

    fmt.Println(*encodedBody)

    mime.DisposeMime()