X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e49f47aa77457548df1a86f74c285ea3226b3cce..9c54e4ae1f401a9c337b97b588e5a356d79cbe82:/include/wx/mstream.h diff --git a/include/wx/mstream.h b/include/wx/mstream.h index b239c36e67..fca461b5dc 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: @@ -8,68 +8,71 @@ // Copyright: (c) Guilhem Lavaux // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef __WXMMSTREAM_H__ -#define __WXMMSTREAM_H__ -#include +#ifndef _WX_WXMMSTREAM_H__ +#define _WX_WXMMSTREAM_H__ -class wxMemoryStreamBase { - protected: - wxMemoryStreamBase(); - virtual ~wxMemoryStreamBase(); +#include "wx/stream.h" - bool ChangeBufferSize(size_t new_length); +#if wxUSE_STREAMS - protected: - bool m_persistent; - size_t m_length; - char *m_buffer; - int m_iolimit; -}; +class WXDLLIMPEXP_BASE wxMemoryInputStream : public wxInputStream +{ +public: + wxMemoryInputStream(const void *data, size_t length); + virtual ~wxMemoryInputStream(); + virtual size_t GetSize() const { return m_length; } + virtual bool Eof() const; -class wxMemoryInputStream: virtual public wxMemoryStreamBase, public wxInputStream { - public: - wxMemoryInputStream(const char *data, size_t length); - virtual ~wxMemoryInputStream(); - - wxInputStream& Read(void *buffer, size_t size); - off_t SeekI(off_t pos, wxSeekMode mode); - off_t TellI() const { return m_position_i; } - - bool Eof() const { return m_eof; } - size_t LastRead() const { return m_lastread; } - - protected: - bool m_eof; - off_t m_position_i; - size_t m_lastread; -}; + char Peek(); + + wxStreamBuffer *GetInputStreamBuffer() const { return m_i_streambuf; } -class wxMemoryOutputStream: virtual public wxMemoryStreamBase, public wxOutputStream { - public: - wxMemoryOutputStream(char *data = NULL, size_t length = 0); - virtual ~wxMemoryOutputStream(); + // deprecated, compatibility only + wxStreamBuffer *InputStreamBuffer() const { return m_i_streambuf; } - wxOutputStream& Write(const void *buffer, size_t size); - off_t SeekO(off_t pos, wxSeekMode mode); - off_t TellO() const { return m_position_o; } +protected: + wxStreamBuffer *m_i_streambuf; - bool Bad() const { return m_bad; } - size_t LastWrite() const { return m_lastwrite; } + size_t OnSysRead(void *buffer, size_t nbytes); + off_t OnSysSeek(off_t pos, wxSeekMode mode); + off_t OnSysTell() const; - char *GetData() { return m_buffer; } - size_t GetLength() { return m_length; } +private: + size_t m_length; - protected: - bool m_bad; - off_t m_position_o; - size_t m_lastwrite; + DECLARE_NO_COPY_CLASS(wxMemoryInputStream) }; -class wxMemoryStream: public wxMemoryInputStream, public wxMemoryOutputStream { - public: - wxMemoryStream(char *data = NULL, size_t length = 0); - virtual ~wxMemoryStream(); +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 size_t GetSize() const { return m_o_streambuf->GetLastAccess(); } + + 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); + off_t OnSysSeek(off_t pos, wxSeekMode mode); + off_t OnSysTell() const; + + DECLARE_NO_COPY_CLASS(wxMemoryOutputStream) }; #endif + // wxUSE_STREAMS + +#endif + // _WX_WXMMSTREAM_H__ +