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 <stdio.h>
  15 #include <wx/object.h>
  16 #include <wx/string.h>
  17 #include <wx/stream.h>
  18
  19 class wxFileStreamBase: public wxStream {
  20   DECLARE_CLASS(wxFileStreamBase)
  21  public:
  22   wxFileStreamBase(const wxString& fileName, int iolimit);
  23   virtual ~wxFileStreamBase();
  24
  25   wxInputStream& Read(void *buffer, size_t size);
  26   size_t SeekI(int pos, wxWhenceType whence = wxBeginPosition);
  27   size_t TellI() const;
  28
  29   bool Eof() const { return m_eof; }
  30   size_t LastRead() const { return m_lastread; }
  31
  32   wxOutputStream& Write(const void *buffer, size_t size);
  33   size_t SeekO(int pos, wxWhenceType whence = wxBeginPosition);
  34   size_t TellO() const;
  35
  36   bool Bad() const { return m_bad; }
  37   size_t LastWrite() const { return m_lastwrite; }
  38
  39   void Sync();
  40
  41  protected:
  42   size_t m_lastread, m_lastwrite;
  43   bool m_eof, m_bad;
  44   FILE *m_file;
  45 };
  46
  47 class wxFileInputStream: public wxFileStreamBase {
  48   DECLARE_CLASS(wxFileInputStream)
  49  public:
  50   wxFileInputStream(const wxString& fileName) : wxFileStreamBase(fileName, 1) {}
  51   virtual ~wxFileInputStream() {}
  52 };
  53
  54 class wxFileOutputStream: public wxFileStreamBase {
  55   DECLARE_CLASS(wxFileOutputStream)
  56  public:
  57   wxFileOutputStream(const wxString& fileName) : wxFileStreamBase(fileName, 2) {}
  58   virtual ~wxFileOutputStream() {}
  59 };
  60
  61 class wxFileStream: public wxFileStreamBase {
  62   DECLARE_CLASS(wxFileStream)
  63  public:
  64   wxFileStream(const wxString& fileName) : wxFileStreamBase(fileName, 0) {}
  65   virtual ~wxFileStream() {}
  66 };
  67
  68 #endif