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