Ttmedia_ptype_declare 関数の ptype シグニチャーの例

例 D–5 は、メディア ptype のシグニチャーレイアウトの例です。

例 D–5 メディア ptype のシグニチャーレイアウトの例

ptype Acme_Calc {
    start "acalc";
    handle:
    /*
     * Display Acme_Sheet
     * Include in tool's ptype if tool can display a document.
     */
    session Display( in    Acme_Sheet    contents     ) => start opnum = 1;
    session Display( in    Acme_Sheet    contents,
                     in    messageID     counterfoil  ) => start opnum = 2;
    session Display( in    Acme_Sheet    contents,
                     in    title         docName      ) => start opnum = 3;
    session Display( in    Acme_Sheet    contents,
                     in    messageID     counterfoil,
                     in    title         docName      ) => start opnum = 4;
    /*
     * Edit Acme_Sheet
     * Include in tool's ptype if tool can edit a document.
     */
    session Edit(    inout Acme_Sheet    contents     ) => start opnum = 101;
    session Edit(    inout Acme_Sheet    contents,
                     in    messageID     counterfoil  ) => start opnum = 102;
    session Edit(    inout Acme_Sheet    contents,
                     in    title         docName      ) => start opnum = 103;
    session Edit(    inout Acme_Sheet    contents,
                     in    messageID     counterfoil,
                     in    title         docName      ) => start opnum = 104;
    /*
     * Compose Acme_Sheet
     * Include in tool's ptype if tool can compose a document from scratch.          
     */
    session Edit(    out   Acme_Sheet    contents     ) => start opnum = 201;
    session Edit(    out   Acme_Sheet    contents,
                     in    messageID     counterfoil  ) => start opnum = 202;
    session Edit(    out   Acme_Sheet    contents,
                     in    title         docName      ) => start opnum = 203;
    session Edit(    out   Acme_Sheet    contents,
                     in    messageID     counterfoil,
                     in    title         docName      ) => start opnum = 204;
    /*
     * Mail Acme_Sheet
     * Include in tool's ptype if tool can mail a document.
     */
    session Mail(    in    Acme_Sheet    contents     ) => start opnum = 301;
    session Mail(    inout Acme_Sheet    contents     ) => start opnum = 311;
    session Mail(    inout Acme_Sheet    contents,
                     in    title         docName      ) => start opnum = 313;
    session Mail(    out   Acme_Sheet    contents     ) => start opnum = 321;
    session Mail(    out   Acme_Sheet    contents,
                     in    messageID     counterfoil  ) => start opnum = 323; 
};