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 __WXFSTREAM_H__
  12 #define __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: virtual public wxFile, public wxInputStream {
  20   DECLARE_CLASS(wxFileInputStream)
  21  public:
  22   wxFileInputStream(const wxString& fileName);
  23   virtual ~wxFileInputStream();
  24
  25   wxInputStream& Read(void *buffer, size_t size);
  26   off_t SeekI(off_t pos, wxSeekMode mode = wxFromStart);
  27   off_t TellI() const;
  28
  29   bool Eof() const { return m_eof; }
  30   size_t LastRead() const { return m_lastread; }
  31
  32   bool Ok() const { return wxFile::IsOpened(); }
  33
  34  protected:
  35   wxFileInputStream() {}
  36
  37  protected:
  38   bool m_eof;
  39   bool m_ok_i;
  40   size_t m_lastread;
  41 };
  42
  43 class wxFileOutputStream: virtual wxFile, public wxOutputStream {
  44   DECLARE_CLASS(wxFileOutputStream)
  45  public:
  46   wxFileOutputStream(const wxString& fileName);
  47   virtual ~wxFileOutputStream();
  48
  49   wxOutputStream& Write(const void *buffer, size_t size);
  50   off_t SeekO(off_t pos, wxSeekMode mode = wxFromStart);
  51   off_t TellO() const;
  52
  53   bool Bad() const { return m_bad; }
  54   size_t LastWrite() const { return m_lastwrite; }
  55
  56   void Sync();
  57
  58   bool IsOpened() const { return wxFile::IsOpened(); }
  59
  60  protected:
  61   wxFileOutputStream() {}
  62
  63  protected:
  64   bool m_bad;
  65   size_t m_lastwrite;
  66 };
  67
  68 class wxFileStream: public wxFileInputStream, public wxFileOutputStream {
  69   DECLARE_CLASS(wxFileStream)
  70  public:
  71   wxFileStream(const wxString& fileName);
  72   virtual ~wxFileStream();
  73 };
  74
  75 #endif