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   size_t GetSize() const;
  36
  37   bool Ok() const { return m_file->IsOpened(); }
  38
  39  protected:
  40   wxFileInputStream();
  41
  42   size_t OnSysRead(void *buffer, size_t size);
  43   off_t OnSysSeek(off_t pos, wxSeekMode mode);
  44   off_t OnSysTell() const;
  45
  46  protected:
  47   wxFile *m_file;
  48   bool m_file_destroy;
  49 };
  50
  51 class wxFileOutputStream: public wxOutputStream {
  52  public:
  53   wxFileOutputStream(const wxString& fileName);
  54   wxFileOutputStream(wxFile& file);
  55   wxFileOutputStream(int fd);
  56   virtual ~wxFileOutputStream();
  57
  58   // To solve an ambiguity on GCC
  59 //  inline wxOutputStream& Write(const void *buffer, size_t size)
  60 //     { return wxOutputStream::Write(buffer, size); }
  61
  62   void Sync();
  63   size_t GetSize() const;
  64
  65   bool Ok() const { return m_file->IsOpened(); }
  66
  67  protected:
  68   wxFileOutputStream();
  69
  70   size_t OnSysWrite(const void *buffer, size_t size);
  71   off_t OnSysSeek(off_t pos, wxSeekMode mode);
  72   off_t OnSysTell() const;
  73
  74  protected:
  75   wxFile *m_file;
  76   bool m_file_destroy;
  77 };
  78
  79 class wxFileStream: public wxFileInputStream, public wxFileOutputStream {
  80  public:
  81   wxFileStream(const wxString& fileName);
  82 };
  83
  84 #endif
  85   // wxUSE_STREAMS && wxUSE_FILE
  86
  87 #endif
  88   // _WX_WXFSTREAM_H__
  89