+#include "wx/defs.h"
+
+#if wxUSE_STREAMS
+
+#include "wx/stream.h"
+
+class WXDLLIMPEXP_FWD_BASE wxMemoryOutputStream;
+
+class WXDLLIMPEXP_BASE wxMemoryInputStream : public wxInputStream
+{
+public:
+ wxMemoryInputStream(const void *data, size_t length);
+ wxMemoryInputStream(const wxMemoryOutputStream& stream);
+ wxMemoryInputStream(wxInputStream& stream,
+ wxFileOffset lenFile = wxInvalidOffset)
+ {
+ InitFromStream(stream, lenFile);
+ }
+ wxMemoryInputStream(wxMemoryInputStream& stream)
+ : wxInputStream()
+ {
+ InitFromStream(stream, wxInvalidOffset);
+ }
+
+ virtual ~wxMemoryInputStream();
+ virtual wxFileOffset GetLength() const { return m_length; }
+ virtual bool IsSeekable() const { return true; }
+
+ virtual char Peek();
+ virtual bool CanRead() const;
+
+ wxStreamBuffer *GetInputStreamBuffer() const { return m_i_streambuf; }
+
+#if WXWIN_COMPATIBILITY_2_6
+ // deprecated, compatibility only
+ wxDEPRECATED( wxStreamBuffer *InputStreamBuffer() const );
+#endif // WXWIN_COMPATIBILITY_2_6
+
+protected:
+ wxStreamBuffer *m_i_streambuf;
+
+ size_t OnSysRead(void *buffer, size_t nbytes);
+ wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
+ wxFileOffset OnSysTell() const;