include/wx/fstream.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        fstream.h
   3 // Purpose:     File stream classes
   4 // Author:      Guilhem Lavaux
   5 // Modified by:
   6 // Created:     11/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Guilhem Lavaux
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11 #ifndef _WX_WXFSTREAM_H__
  12 #define _WX_WXFSTREAM_H__
  13
  14 #include <wx/object.h>
  15 #include <wx/string.h>
  16 #include <wx/stream.h>
  17 #include <wx/file.h>
  18
  19 class wxFileInputStream: public wxInputStream, virtual public wxFile {
  20  public:
  21   wxFileInputStream(const wxString& fileName);
  22   virtual ~wxFileInputStream();
  23
  24   virtual char Peek();
  25
  26   virtual bool Eof() const { return wxFile::Eof(); }
  27
  28   bool Ok() const { return wxFile::IsOpened(); }
  29
  30  protected:
  31   wxFileInputStream() {}
  32
  33   size_t DoRead(void *buffer, size_t size);
  34   off_t DoSeekInput(off_t pos, wxSeekMode mode);
  35   off_t DoTellInput() const;
  36 };
  37
  38 class wxFileOutputStream: public wxOutputStream, virtual public wxFile {
  39  public:
  40   wxFileOutputStream(const wxString& fileName);
  41   virtual ~wxFileOutputStream();
  42
  43   // To solve an ambiguity on GCC
  44   inline wxOutputStream& Write(const void *buffer, size_t size)
  45      { return wxOutputStream::Write(buffer, size); }
  46
  47   void Sync();
  48
  49   bool Ok() const { return wxFile::IsOpened(); }
  50
  51  protected:
  52   wxFileOutputStream() {}
  53
  54   size_t DoWrite(const void *buffer, size_t size);
  55   off_t DoSeekOutput(off_t pos, wxSeekMode mode);
  56   off_t DoTellOutput() const;
  57 };
  58
  59 class wxFileStream: public wxFileInputStream, public wxFileOutputStream {
  60  public:
  61   wxFileStream(const wxString& fileName);
  62   virtual ~wxFileStream();
  63 };
  64
  65 #endif