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 #if defined(__GNUG__) && !defined(__APPLE__)
  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 #include "wx/ffile.h"
  28
  29 // ----------------------------------------------------------------------------
  30 // wxFileStream using wxFile
  31 // ----------------------------------------------------------------------------
  32
  33 class WXDLLIMPEXP_BASE wxFileInputStream: public wxInputStream {
  34  public:
  35   wxFileInputStream(const wxString& ifileName);
  36   wxFileInputStream(wxFile& file);
  37   wxFileInputStream(int fd);
  38   ~wxFileInputStream();
  39
  40   size_t GetSize() const;
  41
  42   bool Ok() const { return m_file->IsOpened(); }
  43
  44  protected:
  45   wxFileInputStream();
  46
  47   size_t OnSysRead(void *buffer, size_t size);
  48   off_t OnSysSeek(off_t pos, wxSeekMode mode);
  49   off_t OnSysTell() const;
  50
  51  protected:
  52   wxFile *m_file;
  53   bool m_file_destroy;
  54
  55     DECLARE_NO_COPY_CLASS(wxFileInputStream)
  56 };
  57
  58 class WXDLLIMPEXP_BASE wxFileOutputStream: public wxOutputStream {
  59  public:
  60   wxFileOutputStream(const wxString& fileName);
  61   wxFileOutputStream(wxFile& file);
  62   wxFileOutputStream(int fd);
  63   virtual ~wxFileOutputStream();
  64
  65   // To solve an ambiguity on GCC
  66 //  inline wxOutputStream& Write(const void *buffer, size_t size)
  67 //     { return wxOutputStream::Write(buffer, size); }
  68
  69   void Sync();
  70   size_t GetSize() const;
  71
  72   bool Ok() const { return m_file->IsOpened(); }
  73
  74  protected:
  75   wxFileOutputStream();
  76
  77   size_t OnSysWrite(const void *buffer, size_t size);
  78   off_t OnSysSeek(off_t pos, wxSeekMode mode);
  79   off_t OnSysTell() const;
  80
  81  protected:
  82   wxFile *m_file;
  83   bool m_file_destroy;
  84
  85     DECLARE_NO_COPY_CLASS(wxFileOutputStream)
  86 };
  87
  88 class WXDLLIMPEXP_BASE wxFileStream: public wxFileInputStream, public wxFileOutputStream {
  89  public:
  90   wxFileStream(const wxString& fileName);
  91 };
  92
  93 // ----------------------------------------------------------------------------
  94 // wxFFileStream using wxFFile
  95 // ----------------------------------------------------------------------------
  96
  97 class WXDLLIMPEXP_BASE wxFFileInputStream: public wxInputStream {
  98  public:
  99   wxFFileInputStream(const wxString& ifileName);
 100   wxFFileInputStream(wxFFile& file);
 101   wxFFileInputStream(FILE *file);
 102   ~wxFFileInputStream();
 103
 104   size_t GetSize() const;
 105
 106   bool Ok() const { return m_file->IsOpened(); }
 107
 108  protected:
 109   wxFFileInputStream();
 110
 111   size_t OnSysRead(void *buffer, size_t size);
 112   off_t OnSysSeek(off_t pos, wxSeekMode mode);
 113   off_t OnSysTell() const;
 114
 115  protected:
 116   wxFFile *m_file;
 117   bool m_file_destroy;
 118
 119     DECLARE_NO_COPY_CLASS(wxFFileInputStream)
 120 };
 121
 122 class WXDLLIMPEXP_BASE wxFFileOutputStream: public wxOutputStream {
 123  public:
 124   wxFFileOutputStream(const wxString& fileName);
 125   wxFFileOutputStream(wxFFile& file);
 126   wxFFileOutputStream(FILE *file);
 127   virtual ~wxFFileOutputStream();
 128
 129   // To solve an ambiguity on GCC
 130 //  inline wxOutputStream& Write(const void *buffer, size_t size)
 131 //     { return wxOutputStream::Write(buffer, size); }
 132
 133   void Sync();
 134   size_t GetSize() const;
 135
 136   bool Ok() const { return m_file->IsOpened(); }
 137
 138  protected:
 139   wxFFileOutputStream();
 140
 141   size_t OnSysWrite(const void *buffer, size_t size);
 142   off_t OnSysSeek(off_t pos, wxSeekMode mode);
 143   off_t OnSysTell() const;
 144
 145  protected:
 146   wxFFile *m_file;
 147   bool m_file_destroy;
 148
 149     DECLARE_NO_COPY_CLASS(wxFFileOutputStream)
 150 };
 151
 152 class WXDLLIMPEXP_BASE wxFFileStream: public wxFFileInputStream, public wxFFileOutputStream {
 153  public:
 154   wxFFileStream(const wxString& fileName);
 155 };
 156 #endif
 157   // wxUSE_STREAMS && wxUSE_FILE
 158
 159 #endif
 160   // _WX_WXFSTREAM_H__
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