X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7f42cff13eaba35dda3527b2ca658dd00b9e7a46..5851053a968330aea0a4bd6918b330eb0bfa0007:/include/wx/mstream.h diff --git a/include/wx/mstream.h b/include/wx/mstream.h index 0f73867261..2857dc074d 100644 --- a/include/wx/mstream.h +++ b/include/wx/mstream.h @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: mstream.h +// Name: wx/mstream.h // Purpose: Memory stream classes // Author: Guilhem Lavaux // Modified by: @@ -8,23 +8,77 @@ // Copyright: (c) Guilhem Lavaux // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// + #ifndef _WX_WXMMSTREAM_H__ #define _WX_WXMMSTREAM_H__ -#include +#include "wx/defs.h" + +#if wxUSE_STREAMS + +#include "wx/stream.h" + +class WXDLLIMPEXP_BASE wxMemoryOutputStream; + +class WXDLLIMPEXP_BASE wxMemoryInputStream : public wxInputStream +{ +public: + wxMemoryInputStream(const void *data, size_t length); + wxMemoryInputStream(const wxMemoryOutputStream& stream); + virtual ~wxMemoryInputStream(); + virtual wxFileOffset GetLength() const { return m_length; } + virtual bool IsSeekable() const { return true; } + + char Peek(); + + wxStreamBuffer *GetInputStreamBuffer() const { return m_i_streambuf; } + + // deprecated, compatibility only + wxStreamBuffer *InputStreamBuffer() const { return m_i_streambuf; } + +protected: + wxStreamBuffer *m_i_streambuf; + + size_t OnSysRead(void *buffer, size_t nbytes); + wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode); + wxFileOffset OnSysTell() const; -class wxMemoryInputStream: public wxInputStream { - public: - wxMemoryInputStream(const char *data, size_t length); - virtual ~wxMemoryInputStream(); +private: + size_t m_length; - char Peek(); + DECLARE_NO_COPY_CLASS(wxMemoryInputStream) }; -class wxMemoryOutputStream: public wxOutputStream { - public: - wxMemoryOutputStream(char *data = NULL, size_t length = 0); - virtual ~wxMemoryOutputStream(); +class WXDLLIMPEXP_BASE wxMemoryOutputStream : public wxOutputStream +{ +public: + // if data is !NULL it must be allocated with malloc() + wxMemoryOutputStream(void *data = NULL, size_t length = 0); + virtual ~wxMemoryOutputStream(); + virtual wxFileOffset GetLength() const { return m_o_streambuf->GetLastAccess(); } + virtual bool IsSeekable() const { return true; } + + size_t CopyTo(void *buffer, size_t len) const; + + wxStreamBuffer *GetOutputStreamBuffer() const { return m_o_streambuf; } + + // deprecated, compatibility only + wxStreamBuffer *OutputStreamBuffer() const { return m_o_streambuf; } + +protected: + wxStreamBuffer *m_o_streambuf; + +protected: + size_t OnSysWrite(const void *buffer, size_t nbytes); + wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode); + wxFileOffset OnSysTell() const; + + DECLARE_NO_COPY_CLASS(wxMemoryOutputStream) }; #endif + // wxUSE_STREAMS + +#endif + // _WX_WXMMSTREAM_H__ +