X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3cacae09fad9fee2c9cb222455e0f9aa4fa11d37..f5a1953b341d16396763bee067ccdd96108f3aad:/include/wx/mstream.h?ds=inline diff --git a/include/wx/mstream.h b/include/wx/mstream.h index 9cc7aab26a..a679e6bb8f 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: @@ -8,69 +8,75 @@ // Copyright: (c) Guilhem Lavaux // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef __WXMMSTREAM_H__ -#define __WXMMSTREAM_H__ - -#include - -class wxMemoryStreamBase: public wxStream { - DECLARE_CLASS(wxMemoryStreamBase) - public: - wxMemoryStreamBase(char *data, size_t length, int iolimit); - virtual ~wxMemoryStreamBase(); - - // Input part - wxInputStream& Read(void *buffer, size_t size); - size_t SeekI(int pos, wxWhenceType whence = wxBeginPosition); - size_t TellI() const { return m_position_i; } - - bool Eof() const { return m_eof; } - size_t LastRead() const { return m_lastread; } - - // Output part - wxOutputStream& Write(const void *buffer, size_t size); - size_t SeekO(int pos, wxWhenceType whence = wxBeginPosition); - size_t TellO() const { return m_position_o; } - - bool Bad() const { return m_bad; } - size_t LastWrite() const { return m_lastwrite; } - void Sync() {} - - protected: - bool ChangeBufferSize(size_t new_length); - - protected: - bool m_bad, m_eof, m_persistent; - size_t m_lastread, m_lastwrite; - size_t m_length; - size_t m_position_i, m_position_o; - char *m_buffer; - int m_iolimit; -}; +#ifndef _WX_WXMMSTREAM_H__ +#define _WX_WXMMSTREAM_H__ -class wxMemoryInputStream: public wxMemoryStreamBase { - DECLARE_CLASS(wxMemoryInputStream) - public: - wxMemoryInputStream(char *data, size_t length) - : wxMemoryStreamBase(data, length, 1) - {} -}; +#include "wx/defs.h" + +#if wxUSE_STREAMS + +#include "wx/stream.h" + +class WXDLLIMPEXP_BASE wxMemoryInputStream : public wxInputStream +{ +public: + wxMemoryInputStream(const void *data, size_t length); + virtual ~wxMemoryInputStream(); + virtual wxFileOffset GetLength() const { return m_length; } + virtual bool Eof() const; + 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 wxMemoryOutputStream: public wxMemoryStreamBase { - DECLARE_DYNAMIC_CLASS(wxMemoryOutputStream) - public: - wxMemoryOutputStream(char *data = NULL, size_t length = 0) - : wxMemoryStreamBase(data, length, 2) - {} +private: + size_t m_length; + + DECLARE_NO_COPY_CLASS(wxMemoryInputStream) }; -class wxMemoryStream: public wxMemoryStreamBase { - DECLARE_DYNAMIC_CLASS(wxMemoryStream) - public: - wxMemoryStream(char *data = NULL, size_t length = 0) - : wxMemoryStreamBase(data, length, 0) - {} +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__ +