zdoom-macos-deps/deps/wxwidgets/include/wx-3.1/wx/stdstream.h
2021-06-28 10:54:57 +03:00

122 lines
4.4 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/stdstream.h
// Purpose: Header of std::istream and std::ostream derived wrappers for
// wxInputStream and wxOutputStream
// Author: Jonathan Liu <net147@gmail.com>
// Created: 2009-05-02
// Copyright: (c) 2009 Jonathan Liu
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_STDSTREAM_H_
#define _WX_STDSTREAM_H_
#include "wx/defs.h" // wxUSE_STD_IOSTREAM
#if wxUSE_STREAMS && wxUSE_STD_IOSTREAM
#include "wx/defs.h"
#include "wx/stream.h"
#include "wx/ioswrap.h"
// ==========================================================================
// wxStdInputStreamBuffer
// ==========================================================================
class WXDLLIMPEXP_BASE wxStdInputStreamBuffer : public std::streambuf
{
public:
wxStdInputStreamBuffer(wxInputStream& stream);
virtual ~wxStdInputStreamBuffer() { }
protected:
virtual std::streambuf *setbuf(char *s, std::streamsize n) wxOVERRIDE;
virtual std::streampos seekoff(std::streamoff off,
std::ios_base::seekdir way,
std::ios_base::openmode which =
std::ios_base::in |
std::ios_base::out) wxOVERRIDE;
virtual std::streampos seekpos(std::streampos sp,
std::ios_base::openmode which =
std::ios_base::in |
std::ios_base::out) wxOVERRIDE;
virtual std::streamsize showmanyc() wxOVERRIDE;
virtual std::streamsize xsgetn(char *s, std::streamsize n) wxOVERRIDE;
virtual int underflow() wxOVERRIDE;
virtual int uflow() wxOVERRIDE;
virtual int pbackfail(int c = EOF) wxOVERRIDE;
// Special work around for VC8/9 (this bug was fixed in VC10 and later):
// these versions have non-standard _Xsgetn_s() that it being called from
// the stream code instead of xsgetn() and so our overridden implementation
// never actually gets used. To work around this, forward to it explicitly.
#if defined(__VISUALC8__) || defined(__VISUALC9__)
virtual std::streamsize
_Xsgetn_s(char *s, size_t WXUNUSED(size), std::streamsize n)
{
return xsgetn(s, n);
}
#endif // VC8 or VC9
wxInputStream& m_stream;
int m_lastChar;
};
// ==========================================================================
// wxStdInputStream
// ==========================================================================
class WXDLLIMPEXP_BASE wxStdInputStream : public std::istream
{
public:
wxStdInputStream(wxInputStream& stream);
virtual ~wxStdInputStream() { }
protected:
wxStdInputStreamBuffer m_streamBuffer;
};
// ==========================================================================
// wxStdOutputStreamBuffer
// ==========================================================================
class WXDLLIMPEXP_BASE wxStdOutputStreamBuffer : public std::streambuf
{
public:
wxStdOutputStreamBuffer(wxOutputStream& stream);
virtual ~wxStdOutputStreamBuffer() { }
protected:
virtual std::streambuf *setbuf(char *s, std::streamsize n) wxOVERRIDE;
virtual std::streampos seekoff(std::streamoff off,
std::ios_base::seekdir way,
std::ios_base::openmode which =
std::ios_base::in |
std::ios_base::out) wxOVERRIDE;
virtual std::streampos seekpos(std::streampos sp,
std::ios_base::openmode which =
std::ios_base::in |
std::ios_base::out) wxOVERRIDE;
virtual std::streamsize xsputn(const char *s, std::streamsize n) wxOVERRIDE;
virtual int overflow(int c) wxOVERRIDE;
wxOutputStream& m_stream;
};
// ==========================================================================
// wxStdOutputStream
// ==========================================================================
class WXDLLIMPEXP_BASE wxStdOutputStream : public std::ostream
{
public:
wxStdOutputStream(wxOutputStream& stream);
virtual ~wxStdOutputStream() { }
protected:
wxStdOutputStreamBuffer m_streamBuffer;
};
#endif // wxUSE_STREAMS && wxUSE_STD_IOSTREAM
#endif // _WX_STDSTREAM_H_