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(NO_GCC_PRAGMA)
  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   wxFileOffset GetLength() 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   wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
  49   wxFileOffset 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   wxFileOffset GetLength() 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   wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
  79   wxFileOffset 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,
  89                                       public wxFileOutputStream
  90 {
  91 public:
  92     wxFileStream(const wxString& fileName);
  93
  94 private:
  95     DECLARE_NO_COPY_CLASS(wxFileStream)
  96 };
  97
  98 // ----------------------------------------------------------------------------
  99 // wxFFileStream using wxFFile
 100 // ----------------------------------------------------------------------------
 101
 102 class WXDLLIMPEXP_BASE wxFFileInputStream: public wxInputStream {
 103  public:
 104   wxFFileInputStream(const wxString& ifileName);
 105   wxFFileInputStream(wxFFile& file);
 106   wxFFileInputStream(FILE *file);
 107   ~wxFFileInputStream();
 108
 109   wxFileOffset GetLength() const;
 110
 111   bool Ok() const { return m_file->IsOpened(); }
 112
 113  protected:
 114   wxFFileInputStream();
 115
 116   size_t OnSysRead(void *buffer, size_t size);
 117   wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
 118   wxFileOffset OnSysTell() const;
 119
 120  protected:
 121   wxFFile *m_file;
 122   bool m_file_destroy;
 123
 124     DECLARE_NO_COPY_CLASS(wxFFileInputStream)
 125 };
 126
 127 class WXDLLIMPEXP_BASE wxFFileOutputStream: public wxOutputStream {
 128  public:
 129   wxFFileOutputStream(const wxString& fileName);
 130   wxFFileOutputStream(wxFFile& file);
 131   wxFFileOutputStream(FILE *file);
 132   virtual ~wxFFileOutputStream();
 133
 134   // To solve an ambiguity on GCC
 135 //  inline wxOutputStream& Write(const void *buffer, size_t size)
 136 //     { return wxOutputStream::Write(buffer, size); }
 137
 138   void Sync();
 139   wxFileOffset GetLength() const;
 140
 141   bool Ok() const { return m_file->IsOpened(); }
 142
 143  protected:
 144   wxFFileOutputStream();
 145
 146   size_t OnSysWrite(const void *buffer, size_t size);
 147   wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
 148   wxFileOffset OnSysTell() const;
 149
 150  protected:
 151   wxFFile *m_file;
 152   bool m_file_destroy;
 153
 154     DECLARE_NO_COPY_CLASS(wxFFileOutputStream)
 155 };
 156
 157 class WXDLLIMPEXP_BASE wxFFileStream : public wxFFileInputStream,
 158                                        public wxFFileOutputStream
 159 {
 160 public:
 161     wxFFileStream(const wxString& fileName);
 162
 163 private:
 164     DECLARE_NO_COPY_CLASS(wxFFileStream)
 165 };
 166
 167 #endif
 168   // wxUSE_STREAMS && wxUSE_FILE
 169
 170 #endif
 171   // _WX_WXFSTREAM_H__
 172
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