/* * dynalink.h * * Dynamic Link Library abstraction class. * * Portable Windows Library * * Copyright (c) 1993-1998 Equivalence Pty. Ltd. * * The contents of this file are subject to the Mozilla Public License * Version 1.0 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. * * The Original Code is Portable Windows Library. * * The Initial Developer of the Original Code is Equivalence Pty. Ltd. * * Portions are Copyright (C) 1993 Free Software Foundation, Inc. * All Rights Reserved. * * Contributor(s): ______________________________________. * * $Log: dynalink.h,v $ * Revision 1.6  1999/03/09 02:59:49  robertj * Changed comments to doc++ compatible documentation. * * Revision 1.5  1999/02/16 08:07:11  robertj * MSVC 6.0 compatibility changes. * * Revision 1.4  1998/09/23 06:20:29  robertj * Added open source copyright license. * * Revision 1.3  1997/06/16 13:15:52  robertj * Added function to get a dyna-link libraries name. * * Revision 1.2  1997/06/08 04:49:20  robertj * Added DLL file extension string function. * * Revision 1.1  1995/03/14 12:44:08  robertj * Initial revision * */#define _PDYNALINK#ifdef __GNUC__#pragma interface#endif/**A dynamic link library. This allows the loading at run time of code   modules for use by an application. */class PDynaLink : public PObject{  PCLASSINFO(PDynaLink, PObject);  public:  /**@name Construction */  //@{    /**Create a new dyna-link, loading the specified module. The first,       parameterless, form does load a library.     */    PDynaLink();    /**Create a new dyna-link, loading the specified module. The first,       parameterless, form does load a library.     */    PDynaLink(      const PString & name    /// Name of the dynamically loadable module.    );    /**Destroy the dyna-link, freeing the module.     */    ~PDynaLink();  //@}  /**@name Load/Unload function */  //@{    /* Open a new dyna-link, loading the specified module.       @return       TRUE if the library was loaded.     */    BOOL Open(      const PString & name    /// Name of the dynamically loadable module.    );    /**Close the dyna-link library.     */    void Close();    /**Dyna-link module is loaded and may be accessed.     */    BOOL IsLoaded() const;    /**Get the name of the loaded library. If the library is not loaded       this may return an empty string.       If #full# is TRUE then the full pathname of the library       is returned otherwise only the name part is returned.       @return       String for the library name.     */    PString GetName(      BOOL full = FALSE  /// Flag for full or short path name    ) const;    /**Get the extension used by this platform for dynamic link libraries.       @return       String for file extension.     */    static PString GetExtension();  //@}  /**@name DLL entry point functions */  //@{    /// Primitive pointer to a function for a dynamic link module.    typedef void (*Function)();    /**Get a pointer to the function in the dynamically loadable module.       @return       TRUE if function was found.     */    BOOL GetFunction(      PINDEX index,    /// Ordinal number of the function to get.      Function & func  /// Refrence to point to function to get.    );    /**Get a pointer to the function in the dynamically loadable module.       @return       TRUE if function was found.     */    BOOL GetFunction(      const PString & name,  /// Name of the function to get.      Function & func        /// Refrence to point to function to get.    );  //@}#ifdef DOC_PLUS_PLUS};#endif// Class declaration continued in platform specific header file ///////////////