Swift

Load MIME from BinData

Demonstrates the Chilkat Mime.LoadMimeBd method, which parses complete MIME bytes from a BinData and replaces the current MIME. The only argument is the BinData.

Note: The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background: This is the safest loader because it works on raw bytes: MIME can carry 8-bit content and even embedded NUL bytes that a text string would mangle, so loading from a BinData preserves the message exactly. Prefer it whenever the input is binary or of uncertain encoding — a downloaded message, a file read as bytes — over the string-based loaders.

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Swift


func chilkatTest() {
    var success: Bool = false

    //  Demonstrates the Mime.LoadMimeBd method, which parses complete MIME bytes from a BinData and
    //  replaces the current MIME.  The only argument is the BinData.  This is the preferred loader
    //  when the MIME may contain arbitrary 8-bit or embedded NUL bytes.

    let bd = CkoBinData()!
    success = bd.loadFile(path: "qa_data/message.eml")
    if success == false {
        print("\(bd.lastErrorText!)")
        return
    }

    let mime = CkoMime()!
    success = mime.loadBd(bindat: bd)
    if success == false {
        print("\(mime.lastErrorText!)")
        return
    }

    print("Content-Type: \(mime.contentType!)")

}