initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/include/wx/stdstream.h

@@ -0,0 +1,122 @@
+/////////////////////////////////////////////////////////////////////////////
+// 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() = default;
+
+protected:
+    virtual std::streambuf *setbuf(char *s, std::streamsize n) override;
+    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) override;
+    virtual std::streampos seekpos(std::streampos sp,
+                                   std::ios_base::openmode which =
+                                       std::ios_base::in |
+                                       std::ios_base::out) override;
+    virtual std::streamsize showmanyc() override;
+    virtual std::streamsize xsgetn(char *s, std::streamsize n) override;
+    virtual int underflow() override;
+    virtual int uflow() override;
+    virtual int pbackfail(int c = EOF) override;
+
+    // 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() = default;
+
+protected:
+    wxStdInputStreamBuffer m_streamBuffer;
+};
+
+// ==========================================================================
+// wxStdOutputStreamBuffer
+// ==========================================================================
+
+class WXDLLIMPEXP_BASE wxStdOutputStreamBuffer : public std::streambuf
+{
+public:
+    wxStdOutputStreamBuffer(wxOutputStream& stream);
+    virtual ~wxStdOutputStreamBuffer() = default;
+
+protected:
+    virtual std::streambuf *setbuf(char *s, std::streamsize n) override;
+    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) override;
+    virtual std::streampos seekpos(std::streampos sp,
+                                   std::ios_base::openmode which =
+                                       std::ios_base::in |
+                                       std::ios_base::out) override;
+    virtual std::streamsize xsputn(const char *s, std::streamsize n) override;
+    virtual int overflow(int c) override;
+
+    wxOutputStream& m_stream;
+};
+
+// ==========================================================================
+// wxStdOutputStream
+// ==========================================================================
+
+class WXDLLIMPEXP_BASE wxStdOutputStream : public std::ostream
+{
+public:
+    wxStdOutputStream(wxOutputStream& stream);
+    virtual ~wxStdOutputStream() = default;
+
+protected:
+    wxStdOutputStreamBuffer m_streamBuffer;
+};
+
+#endif // wxUSE_STREAMS && wxUSE_STD_IOSTREAM
+
+#endif // _WX_STDSTREAM_H_