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 #if defined(__GNUG__) && !defined(__APPLE__)
  13 #pragma interface "fs_mem.h"
  14 #endif
  15
  16 #include "wx/wxprec.h"
  17
  18 #ifdef __BORLANDC__
  19 #pragma hdrstop
  20 #endif
  21
  22 #if wxUSE_FILESYSTEM
  23
  24 #include "wx/filesys.h"
  25
  26 class WXDLLEXPORT wxBitmap;
  27 class WXDLLEXPORT wxImage;
  28
  29 //--------------------------------------------------------------------------------
  30 // wxMemoryFSHandler
  31 //--------------------------------------------------------------------------------
  32
  33 class WXDLLEXPORT wxMemoryFSHandlerBase : public wxFileSystemHandler
  34 {
  35 public:
  36     wxMemoryFSHandlerBase();
  37     ~wxMemoryFSHandlerBase();
  38
  39     // Add file to list of files stored in memory. Stored data (bitmap, text or
  40     // raw data) will be copied into private memory stream and available under
  41     // name "memory:" + filename
  42 #if wxUSE_IMAGE
  43     static void AddFile(const wxString& filename, wxImage& image, long type);
  44 #endif // wxUSE_IMAGE
  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 class wxMemoryFSHandler : public wxMemoryFSHandlerBase
  63 {
  64 public:
  65 #if wxUSE_GUI
  66     static void AddFile(const wxString& filename, const wxBitmap& bitmap, long type);
  67 #endif // wxUSE_GUI
  68 };
  69
  70 #endif // wxUSE_FILESYSTEM
  71
  72 #endif // _WX_FS_MEM_H_
  73