PureBasic

Check if a MIME Part is Audio

Demonstrates the Chilkat Mime.IsAudio method, which returns whether the Content-Type begins with audio/. It takes no arguments and applies to the current part.

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

Background: Useful for classifying media attachments — a voicemail or audio note in a message, for example — so it can be routed to a player or handled distinctly from other content. It matches any audio/ subtype.

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IncludeFile "CkMime.pb"

Procedure ChilkatExample()

    success.i = 0

    ;  Demonstrates the Mime.IsAudio method, which returns whether the Content-Type begins with audio/.  It takes no arguments and applies to the current
    ;  part.  This example iterates the parts of a multipart message and reports which ones match.

    mime.i = CkMime::ckCreate()
    If mime.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkMime::ckLoadMimeFile(mime,"qa_data/multipart_message.eml")
    If success = 0
        Debug CkMime::ckLastErrorText(mime)
        CkMime::ckDispose(mime)
        ProcedureReturn
    EndIf

    n.i = CkMime::ckNumParts(mime)
    part.i = CkMime::ckCreate()
    If part.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    i.i
    For i = 0 To n - 1
        success = CkMime::ckPartAt(mime,i,part)
        If success = 0
            Debug CkMime::ckLastErrorText(mime)
            CkMime::ckDispose(mime)
            CkMime::ckDispose(part)
            ProcedureReturn
        EndIf

        If CkMime::ckIsAudio(part)
            Debug "Part " + Str(i) + " (" + CkMime::ckContentType(part) + ") is audio."
        EndIf

    Next


    CkMime::ckDispose(mime)
    CkMime::ckDispose(part)


    ProcedureReturn
EndProcedure