include/wx/wfstream.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wfstream.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
  12 #ifndef _WX_WXFSTREAM_H__
  13 #define _WX_WXFSTREAM_H__
  14
  15 #ifdef __GNUG__
  16 #pragma interface "wfstream.h"
  17 #endif
  18
  19 #include "wx/defs.h"
  20
  21 #if wxUSE_STREAMS && wxUSE_FILE
  22
  23 #include <wx/object.h>
  24 #include <wx/string.h>
  25 #include <wx/stream.h>
  26 #include <wx/file.h>
  27
  28 class wxFileInputStream: public wxInputStream {
  29  public:
  30   wxFileInputStream(const wxString& ifileName);
  31   wxFileInputStream(wxFile& file);
  32   wxFileInputStream(int fd);
  33   ~wxFileInputStream();
  34
  35   char Peek();
  36   size_t StreamSize() const;
  37
  38   bool Ok() const { return m_file->IsOpened(); }
  39
  40  protected:
  41   wxFileInputStream();
  42
  43   size_t OnSysRead(void *buffer, size_t size);
  44   off_t OnSysSeek(off_t pos, wxSeekMode mode);
  45   off_t OnSysTell() const;
  46
  47  protected:
  48   wxFile *m_file;
  49   bool m_file_destroy;
  50 };
  51
  52 class wxFileOutputStream: public wxOutputStream {
  53  public:
  54   wxFileOutputStream(const wxString& fileName);
  55   wxFileOutputStream(wxFile& file);
  56   wxFileOutputStream(int fd);
  57   virtual ~wxFileOutputStream();
  58
  59   // To solve an ambiguity on GCC
  60 //  inline wxOutputStream& Write(const void *buffer, size_t size)
  61 //     { return wxOutputStream::Write(buffer, size); }
  62
  63   void Sync();
  64   size_t StreamSize() const;
  65
  66   bool Ok() const { return m_file->IsOpened(); }
  67
  68  protected:
  69   wxFileOutputStream();
  70
  71   size_t OnSysWrite(const void *buffer, size_t size);
  72   off_t OnSysSeek(off_t pos, wxSeekMode mode);
  73   off_t OnSysTell() const;
  74
  75  protected:
  76   wxFile *m_file;
  77   bool m_file_destroy;
  78 };
  79
  80 class wxFileStream: public wxFileInputStream, public wxFileOutputStream {
  81  public:
  82   wxFileStream(const wxString& fileName);
  83 };
  84
  85 #endif
  86   // wxUSE_STREAMS && wxUSE_FILE
  87
  88 #endif
  89   // _WX_WXFSTREAM_H__