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