include/wx/fs_mem.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        fs_mem.h
   3 // Purpose:     in-memory file system
   4 // Author:      Vaclav Slavik
   5 // Copyright:   (c) 2000 Vaclav Slavik
   6 // Licence:     wxWindows Licence
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9
  10 #ifdef __GNUG__
  11 #pragma interface "fs_mem.h"
  12 #endif
  13
  14 #include "wx/wxprec.h"
  15
  16 #ifdef __BORDLANDC__
  17 #pragma hdrstop
  18 #endif
  19
  20 #if wxUSE_FILESYSTEM
  21
  22 #include "wx/filesys.h"
  23
  24 #if wxUSE_GUI
  25     #include "wx/image.h"
  26     #include "wx/bitmap.h"
  27 #endif
  28
  29 //--------------------------------------------------------------------------------
  30 // wxMemoryFSHandler
  31 //--------------------------------------------------------------------------------
  32
  33 class WXDLLEXPORT wxMemoryFSHandler : public wxFileSystemHandler
  34 {
  35     public:
  36         wxMemoryFSHandler();
  37         ~wxMemoryFSHandler();
  38
  39         // Add file to list of files stored in memory. Stored data (bitmap, text or raw data)
  40         // will be copied into private memory stream and available under name "memory:" + filename
  41 #if wxUSE_GUI
  42         static void AddFile(const wxString& filename, wxImage& image, long type);
  43         static void AddFile(const wxString& filename, const wxBitmap& bitmap, long type);
  44 #endif
  45         static void AddFile(const wxString& filename, const wxString& textdata);
  46         static void AddFile(const wxString& filename, const void *binarydata, size_t size);
  47
  48         // Remove file from memory FS and free occupied memory
  49         static void RemoveFile(const wxString& filename);
  50
  51         virtual bool CanOpen(const wxString& location);
  52         virtual wxFSFile* OpenFile(wxFileSystem& fs, const wxString& location);
  53         virtual wxString FindFirst(const wxString& spec, int flags = 0);
  54         virtual wxString FindNext();
  55
  56     private:
  57         static wxHashTable *m_Hash;
  58
  59         static bool CheckHash(const wxString& filename);
  60 };
  61
  62 #endif
  63   // wxUSE_FILESYSTEM
  64
  65