X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0d631778852c7949e7a5758a6d3691f395d8d40f..a7689c49fe02c0c065facf736ab28b19f5997b7c:/include/wx/mstream.h?ds=inline diff --git a/include/wx/mstream.h b/include/wx/mstream.h index 65e67aa24f..8e12d63274 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: @@ -8,55 +8,103 @@ // Copyright: (c) Guilhem Lavaux // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// + #ifndef _WX_WXMMSTREAM_H__ #define _WX_WXMMSTREAM_H__ -#include +#include "wx/defs.h" #if wxUSE_STREAMS -class wxMemoryInputStream: public wxInputStream { - private: - size_t m_length; - - public: - wxMemoryInputStream(const char *data, size_t length); - virtual ~wxMemoryInputStream(); - virtual size_t StreamSize() const { return m_length; } +#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 - char Peek(); +protected: + wxStreamBuffer *m_i_streambuf; - wxStreamBuffer *InputStreamBuffer() const { return m_i_streambuf; } + size_t OnSysRead(void *buffer, size_t nbytes); + wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode); + wxFileOffset OnSysTell() const; - protected: - wxStreamBuffer *m_i_streambuf; +private: + // common part of ctors taking wxInputStream + void InitFromStream(wxInputStream& stream, wxFileOffset lenFile); - protected: - size_t OnSysRead(void *buffer, size_t nbytes); - off_t OnSysSeek(off_t pos, wxSeekMode mode); - off_t OnSysTell() const; + size_t m_length; + + // copy ctor is implemented above: it copies the other stream in this one + DECLARE_ABSTRACT_CLASS(wxMemoryInputStream) + wxDECLARE_NO_ASSIGN_CLASS(wxMemoryInputStream); }; -class wxMemoryOutputStream: public wxOutputStream { - public: - wxMemoryOutputStream(char *data = NULL, size_t length = 0); - virtual ~wxMemoryOutputStream(); - virtual size_t StreamSize() const { return m_o_streambuf->GetLastAccess(); } +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; } - wxStreamBuffer *OutputStreamBuffer() const { return m_o_streambuf; } +#if WXWIN_COMPATIBILITY_2_6 + // deprecated, compatibility only + wxDEPRECATED( wxStreamBuffer *OutputStreamBuffer() const ); +#endif // WXWIN_COMPATIBILITY_2_6 - protected: - wxStreamBuffer *m_o_streambuf; +protected: + wxStreamBuffer *m_o_streambuf; - protected: - size_t OnSysWrite(const void *buffer, size_t nbytes); - off_t OnSysSeek(off_t pos, wxSeekMode mode); - off_t OnSysTell() const; +protected: + size_t OnSysWrite(const void *buffer, size_t nbytes); + wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode); + wxFileOffset OnSysTell() const; + + DECLARE_DYNAMIC_CLASS(wxMemoryOutputStream) + wxDECLARE_NO_COPY_CLASS(wxMemoryOutputStream); }; +#if WXWIN_COMPATIBILITY_2_6 + inline wxStreamBuffer *wxMemoryInputStream::InputStreamBuffer() const { return m_i_streambuf; } + inline wxStreamBuffer *wxMemoryOutputStream::OutputStreamBuffer() const { return m_o_streambuf; } +#endif // WXWIN_COMPATIBILITY_2_6 + #endif // wxUSE_STREAMS #endif // _WX_WXMMSTREAM_H__ -