include/dynamic.h

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17
  18 #ifndef __DLL_H
  19 #define __DLL_H
  20
  21
  22 class DLLManager
  23 {
  24  public:
  25         DLLManager( const char *fname );
  26         virtual ~DLLManager();
  27
  28
  29         bool GetSymbol( void **, const char *sym_name );
  30
  31         const char *LastError()
  32         {
  33                  return err;
  34         }
  35
  36  protected:
  37         void *h;
  38         const char *err;
  39 };
  40
  41
  42 class DLLFactoryBase : public DLLManager
  43 {
  44  public:
  45         DLLFactoryBase(const char *fname, const char *func_name = 0);
  46         virtual ~DLLFactoryBase();
  47         void * (*factory_func)(void);
  48 };
  49
  50
  51 template <class T> class DLLFactory : public DLLFactoryBase
  52 {
  53  public:
  54         DLLFactory(const char *fname, const char *func_name=0) : DLLFactoryBase(fname,func_name)
  55         {
  56                 if (factory_func)
  57                         factory = (T*)factory_func();
  58                 else
  59                         factory = 0;
  60         }
  61
  62         ~DLLFactory()
  63         {
  64                 delete factory;
  65         }
  66
  67         T *factory;
  68 };
  69
  70
  71
  72
  73
  74
  75 #endif