// Created: 11/07/98
// RCS-ID: $Id$
// Copyright: (c) Guilhem Lavaux
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_WXSTREAM_H__
#include "wx/string.h"
#include "wx/filefn.h" // for off_t, wxInvalidOffset and wxSeekMode
-class WXDLLEXPORT wxStreamBase;
-class WXDLLEXPORT wxInputStream;
-class WXDLLEXPORT wxOutputStream;
+class WXDLLIMPEXP_BASE wxStreamBase;
+class WXDLLIMPEXP_BASE wxInputStream;
+class WXDLLIMPEXP_BASE wxOutputStream;
typedef wxInputStream& (*__wxInputManip)(wxInputStream&);
typedef wxOutputStream& (*__wxOutputManip)(wxOutputStream&);
-WXDLLEXPORT wxOutputStream& wxEndL(wxOutputStream& o_stream);
+WXDLLIMPEXP_BASE wxOutputStream& wxEndL(wxOutputStream& o_stream);
// ----------------------------------------------------------------------------
// constants
// wxStreamBase: common (but non virtual!) base for all stream classes
// ---------------------------------------------------------------------------
-class WXDLLEXPORT wxStreamBase
+class WXDLLIMPEXP_BASE wxStreamBase
{
public:
wxStreamBase();
// reset the stream state
void Reset() { m_lasterror = wxSTREAM_NO_ERROR; }
- // deprecated (doesn't make sense!), don't use
+ // this doesn't make sense for all streams, always test its return value
virtual size_t GetSize() const { return 0; }
#if WXWIN_COMPATIBILITY_2_2
wxStreamError m_lasterror;
friend class wxStreamBuffer;
+
+ DECLARE_NO_COPY_CLASS(wxStreamBase)
};
// ----------------------------------------------------------------------------
// wxInputStream: base class for the input streams
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxInputStream : public wxStreamBase
+class WXDLLIMPEXP_BASE wxInputStream : public wxStreamBase
{
public:
// ctor and dtor, nothing exciting
size_t m_wbackcur;
friend class wxStreamBuffer;
+
+ DECLARE_NO_COPY_CLASS(wxInputStream)
};
// ----------------------------------------------------------------------------
// wxOutputStream: base for the output streams
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxOutputStream : public wxStreamBase
+class WXDLLIMPEXP_BASE wxOutputStream : public wxStreamBase
{
public:
wxOutputStream();
virtual size_t OnSysWrite(const void *buffer, size_t bufsize);
friend class wxStreamBuffer;
+
+ DECLARE_NO_COPY_CLASS(wxOutputStream)
};
// ============================================================================
// A stream for measuring streamed output
// ---------------------------------------------------------------------------
-class WXDLLEXPORT wxCountingOutputStream : public wxOutputStream
+class WXDLLIMPEXP_BASE wxCountingOutputStream : public wxOutputStream
{
public:
wxCountingOutputStream();
virtual off_t OnSysTell() const;
size_t m_currentPos;
+
+ DECLARE_NO_COPY_CLASS(wxCountingOutputStream)
};
// ---------------------------------------------------------------------------
// "Filter" streams
// ---------------------------------------------------------------------------
-class WXDLLEXPORT wxFilterInputStream : public wxInputStream
+class WXDLLIMPEXP_BASE wxFilterInputStream : public wxInputStream
{
public:
wxFilterInputStream();
protected:
wxInputStream *m_parent_i_stream;
+
+ DECLARE_NO_COPY_CLASS(wxFilterInputStream)
};
-class WXDLLEXPORT wxFilterOutputStream : public wxOutputStream
+class WXDLLIMPEXP_BASE wxFilterOutputStream : public wxOutputStream
{
public:
wxFilterOutputStream();
protected:
wxOutputStream *m_parent_o_stream;
+
+ DECLARE_NO_COPY_CLASS(wxFilterOutputStream)
};
// ============================================================================
// wxBufferedStreams to implement custom buffering
// ---------------------------------------------------------------------------
-class WXDLLEXPORT wxStreamBuffer
+class WXDLLIMPEXP_BASE wxStreamBuffer
{
public:
enum BufMode
bool m_destroybuf, // deallocate buffer?
m_fixed,
m_flushable;
+
+private:
+// Cannot use
+// DECLARE_NO_COPY_CLASS(wxStreamBuffer)
+// because copy constructor is explicitly declared above;
+// but no copy assignment operator is defined, so declare
+// it private to prevent the compiler from defining it:
+ wxStreamBuffer& operator=(const wxStreamBuffer&);
};
// ---------------------------------------------------------------------------
// wxBufferedInputStream
// ---------------------------------------------------------------------------
-class WXDLLEXPORT wxBufferedInputStream : public wxFilterInputStream
+class WXDLLIMPEXP_BASE wxBufferedInputStream : public wxFilterInputStream
{
public:
// if a non NULL buffer is given to the stream, it will be deleted by it
virtual off_t OnSysTell() const;
wxStreamBuffer *m_i_streambuf;
+
+ DECLARE_NO_COPY_CLASS(wxBufferedInputStream)
};
// ----------------------------------------------------------------------------
// wxBufferedOutputStream
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxBufferedOutputStream : public wxFilterOutputStream
+class WXDLLIMPEXP_BASE wxBufferedOutputStream : public wxFilterOutputStream
{
public:
// if a non NULL buffer is given to the stream, it will be deleted by it
virtual off_t OnSysTell() const;
wxStreamBuffer *m_o_streambuf;
+
+ DECLARE_NO_COPY_CLASS(wxBufferedOutputStream)
};
#endif // wxUSE_STREAMS