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 #ifndef _WX_FS_MEM_H_
  10 #define _WX_FS_MEM_H_
  11
  12 #ifdef __GNUG__
  13 #pragma interface "fs_mem.h"
  14 #endif
  15
  16 #include "wx/wxprec.h"
  17
  18 #ifdef __BORDLANDC__
  19 #pragma hdrstop
  20 #endif
  21
  22 #if wxUSE_FILESYSTEM
  23
  24 #include "wx/filesys.h"
  25
  26 #if wxUSE_GUI
  27     #include "wx/image.h"
  28     #include "wx/bitmap.h"
  29 #endif
  30
  31 //--------------------------------------------------------------------------------
  32 // wxMemoryFSHandler
  33 //--------------------------------------------------------------------------------
  34
  35 class WXDLLEXPORT wxMemoryFSHandler : public wxFileSystemHandler
  36 {
  37     public:
  38         wxMemoryFSHandler();
  39         ~wxMemoryFSHandler();
  40
  41         // Add file to list of files stored in memory. Stored data (bitmap, text or raw data)
  42         // will be copied into private memory stream and available under name "memory:" + filename
  43 #if wxUSE_GUI
  44         static void AddFile(const wxString& filename, wxImage& image, long type);
  45         static void AddFile(const wxString& filename, const wxBitmap& bitmap, long type);
  46 #endif
  47         static void AddFile(const wxString& filename, const wxString& textdata);
  48         static void AddFile(const wxString& filename, const void *binarydata, size_t size);
  49
  50         // Remove file from memory FS and free occupied memory
  51         static void RemoveFile(const wxString& filename);
  52
  53         virtual bool CanOpen(const wxString& location);
  54         virtual wxFSFile* OpenFile(wxFileSystem& fs, const wxString& location);
  55         virtual wxString FindFirst(const wxString& spec, int flags = 0);
  56         virtual wxString FindNext();
  57
  58     private:
  59         static wxHashTable *m_Hash;
  60
  61         static bool CheckHash(const wxString& filename);
  62 };
  63
  64 #endif
  65   // wxUSE_FILESYSTEM
  66
  67
  68 #endif // _WX_FS_MEM_H_
  69