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