include/wx/dynlib.h

   1 #ifndef _WX_DYNLIB_H__
   2 #define _WX_DYNLIB_H__
   3
   4 #ifdef __GNUG__
   5 #pragma interface
   6 #endif
   7
   8 #include <wx/string.h>
   9 #include <wx/list.h>
  10 #include <wx/dynarray.h>
  11 #include <wx/hash.h>
  12
  13 // ---------------------------------------------------------------------------
  14 // wxLibrary
  15
  16 class wxLibrary: public wxObject {
  17  protected:
  18   void *m_handle;
  19   bool m_destroy;
  20  public:
  21   wxHashTable classTable;
  22
  23  public:
  24   wxLibrary(void *handle);
  25   ~wxLibrary(void);
  26
  27   // Get a symbol from the dynamic library
  28   void *GetSymbol(const wxString& symbname);
  29
  30   // Create the object whose classname is "name"
  31   wxObject *CreateObject(const wxString& name);
  32
  33   // Merge the symbols with the main symbols: WARNING! the library will not
  34   // be unloaded.
  35   void MergeWithSystem();
  36
  37  protected:
  38   void PrepareClasses(wxClassInfo **first);
  39 };
  40
  41 // ---------------------------------------------------------------------------
  42 // wxLibraries
  43
  44 class wxLibraries {
  45  protected:
  46   wxList m_loaded;
  47  public:
  48   wxLibraries(void);
  49   ~wxLibraries(void);
  50
  51   wxLibrary *LoadLibrary(const wxString& name);
  52   wxObject *CreateObject(const wxString& name);
  53 };
  54
  55 // ---------------------------------------------------------------------------
  56 // Global variables
  57
  58 extern wxLibraries wxTheLibraries;
  59
  60 // ---------------------------------------------------------------------------
  61 // Interesting defines
  62
  63 #define WXDLL_ENTRY_FUNCTION() \
  64 extern "C" wxClassInfo **wxGetClassFirst(); \
  65 wxClassInfo **wxGetClassFirst() { \
  66   return &wxClassInfo::first; \
  67 }
  68
  69 #endif