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 #ifndef WXPRECOMP
  23 #include "wx/wx.h"
  24 #endif
  25
  26 #include "wx/filesys.h"
  27 #if wxUSE_GUI
  28 #include "wx/image.h"
  29 #include "wx/bitmap.h"
  30 #endif
  31
  32 //--------------------------------------------------------------------------------
  33 // wxMemoryFSHandler
  34 //--------------------------------------------------------------------------------
  35
  36 class WXDLLEXPORT wxMemoryFSHandler : public wxFileSystemHandler
  37 {
  38     public:
  39         wxMemoryFSHandler();
  40         ~wxMemoryFSHandler();
  41
  42         // Add file to list of files stored in memory. Stored data (bitmap, text or raw data)
  43         // will be copied into private memory stream and available under name "memory:" + filename
  44 #if wxUSE_GUI
  45         static void AddFile(const wxString& filename, wxImage& image, long type);
  46         static void AddFile(const wxString& filename, const wxBitmap& bitmap, long type);
  47 #endif
  48         static void AddFile(const wxString& filename, const wxString& textdata);
  49         static void AddFile(const wxString& filename, const void *binarydata, size_t size);
  50
  51         // Remove file from memory FS and free occupied memory
  52         static void RemoveFile(const wxString& filename);
  53
  54         virtual bool CanOpen(const wxString& location);
  55         virtual wxFSFile* OpenFile(wxFileSystem& fs, const wxString& location);
  56         virtual wxString FindFirst(const wxString& spec, int flags = 0);
  57         virtual wxString FindNext();
  58
  59     private:
  60         static wxHashTable *m_Hash;
  61
  62         static bool CheckHash(const wxString& filename);
  63 };
  64
  65 #endif
  66   // wxUSE_FILESYSTEM
  67
  68