/////////////////////////////////////////////////////////////////////////////
-// Name: stream.h
-// Purpose: "wxWindows stream" base classes
-// Author: Guilhem Lavaux
+// Name: wx/stream.h
+// Purpose: stream classes
+// Author: Guilhem Lavaux, Guillermo Rodriguez Garcia, Vadim Zeitlin
// Modified by:
// Created: 11/07/98
// RCS-ID: $Id$
// Copyright: (c) Guilhem Lavaux
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifndef __WXSTREAM_H__
-#define __WXSTREAM_H__
+#ifndef _WX_WXSTREAM_H__
+#define _WX_WXSTREAM_H__
-#ifdef __GNUG__
-#pragma interface
-#endif
+#include "wx/defs.h"
+
+#if wxUSE_STREAMS
#include <stdio.h>
-#include <wx/object.h>
-#include <wx/string.h>
+#include "wx/object.h"
+#include "wx/string.h"
+#include "wx/filefn.h" // for wxFileOffset, wxInvalidOffset and wxSeekMode
+
+class WXDLLIMPEXP_FWD_BASE wxStreamBase;
+class WXDLLIMPEXP_FWD_BASE wxInputStream;
+class WXDLLIMPEXP_FWD_BASE wxOutputStream;
+
+typedef wxInputStream& (*__wxInputManip)(wxInputStream&);
+typedef wxOutputStream& (*__wxOutputManip)(wxOutputStream&);
+
+WXDLLIMPEXP_BASE wxOutputStream& wxEndL(wxOutputStream& o_stream);
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+enum wxStreamError
+{
+ wxSTREAM_NO_ERROR = 0, // stream is in good state
+ wxSTREAM_EOF, // EOF reached in Read() or similar
+ wxSTREAM_WRITE_ERROR, // generic write error
+ wxSTREAM_READ_ERROR // generic read error
+};
+
+const int wxEOF = -1;
+
+// ============================================================================
+// base stream classes: wxInputStream and wxOutputStream
+// ============================================================================
+
+// ---------------------------------------------------------------------------
+// wxStreamBase: common (but non virtual!) base for all stream classes
+// ---------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxStreamBase : public wxObject
+{
+public:
+ wxStreamBase();
+ virtual ~wxStreamBase();
+
+ // error testing
+ wxStreamError GetLastError() const { return m_lasterror; }
+ virtual bool IsOk() const { return GetLastError() == wxSTREAM_NO_ERROR; }
+ bool operator!() const { return !IsOk(); }
+
+ // reset the stream state
+ void Reset() { m_lasterror = wxSTREAM_NO_ERROR; }
+
+ // this doesn't make sense for all streams, always test its return value
+ virtual size_t GetSize() const;
+ virtual wxFileOffset GetLength() const { return wxInvalidOffset; }
+
+ // returns true if the streams supports seeking to arbitrary offsets
+ virtual bool IsSeekable() const { return false; }
+
+protected:
+ virtual wxFileOffset OnSysSeek(wxFileOffset seek, wxSeekMode mode);
+ virtual wxFileOffset OnSysTell() const;
+
+ size_t m_lastcount;
+ wxStreamError m_lasterror;
+
+ friend class wxStreamBuffer;
+
+ DECLARE_ABSTRACT_CLASS(wxStreamBase)
+ DECLARE_NO_COPY_CLASS(wxStreamBase)
+};
+
+// ----------------------------------------------------------------------------
+// wxInputStream: base class for the input streams
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxInputStream : public wxStreamBase
+{
+public:
+ // ctor and dtor, nothing exciting
+ wxInputStream();
+ virtual ~wxInputStream();
+
+
+ // IO functions
+ // ------------
+
+ // return a character from the stream without removing it, i.e. it will
+ // still be returned by the next call to GetC()
+ //
+ // blocks until something appears in the stream if necessary, if nothing
+ // ever does (i.e. EOF) LastRead() will return 0 (and the return value is
+ // undefined), otherwise 1
+ virtual char Peek();
+
+ // return one byte from the stream, blocking until it appears if
+ // necessary
+ //
+ // on success returns a value between 0 - 255, or wxEOF on EOF or error.
+ int GetC();
+
+ // read at most the given number of bytes from the stream
+ //
+ // there are 2 possible situations here: either there is nothing at all in
+ // the stream right now in which case Read() blocks until something appears
+ // (use CanRead() to avoid this) or there is already some data available in
+ // the stream and then Read() doesn't block but returns just the data it
+ // can read without waiting for more
+ //
+ // in any case, if there are not enough bytes in the stream right now,
+ // LastRead() value will be less than size but greater than 0. If it is 0,
+ // it means that EOF has been reached.
+ virtual wxInputStream& Read(void *buffer, size_t size);
+
+ // copy the entire contents of this stream into streamOut, stopping only
+ // when EOF is reached or an error occurs
+ wxInputStream& Read(wxOutputStream& streamOut);
+
+
+ // status functions
+ // ----------------
+
+ // returns the number of bytes read by the last call to Read(), GetC() or
+ // Peek()
+ //
+ // this should be used to discover whether that call succeeded in reading
+ // all the requested data or not
+ virtual size_t LastRead() const { return wxStreamBase::m_lastcount; }
+
+ // returns true if some data is available in the stream right now, so that
+ // calling Read() wouldn't block
+ virtual bool CanRead() const;
+
+ // is the stream at EOF?
+ //
+ // note that this cannot be really implemented for all streams and
+ // CanRead() is more reliable than Eof()
+ virtual bool Eof() const;
+
+
+ // write back buffer
+ // -----------------
+
+ // put back the specified number of bytes into the stream, they will be
+ // fetched by the next call to the read functions
+ //
+ // returns the number of bytes really stuffed back
+ size_t Ungetch(const void *buffer, size_t size);
+
+ // put back the specified character in the stream
+ //
+ // returns true if ok, false on error
+ bool Ungetch(char c);
+
+
+ // position functions
+ // ------------------
+
+ // move the stream pointer to the given position (if the stream supports
+ // it)
+ //
+ // returns wxInvalidOffset on error
+ virtual wxFileOffset SeekI(wxFileOffset pos, wxSeekMode mode = wxFromStart);
+
+ // return the current position of the stream pointer or wxInvalidOffset
+ virtual wxFileOffset TellI() const;
+
+
+ // stream-like operators
+ // ---------------------
+
+ wxInputStream& operator>>(wxOutputStream& out) { return Read(out); }
+ wxInputStream& operator>>(__wxInputManip func) { return func(*this); }
+
+protected:
+ // do read up to size bytes of data into the provided buffer
+ //
+ // this method should return 0 if EOF has been reached or an error occurred
+ // (m_lasterror should be set accordingly as well) or the number of bytes
+ // read
+ virtual size_t OnSysRead(void *buffer, size_t size) = 0;
+
+ // write-back buffer support
+ // -------------------------
+
+ // return the pointer to a buffer big enough to hold sizeNeeded bytes
+ char *AllocSpaceWBack(size_t sizeNeeded);
+
+ // read up to size data from the write back buffer, return the number of
+ // bytes read
+ size_t GetWBack(void *buf, size_t size);
+
+ // write back buffer or NULL if none
+ char *m_wback;
+
+ // the size of the buffer
+ size_t m_wbacksize;
+
+ // the current position in the buffer
+ size_t m_wbackcur;
+
+ friend class wxStreamBuffer;
+
+ DECLARE_ABSTRACT_CLASS(wxInputStream)
+ DECLARE_NO_COPY_CLASS(wxInputStream)
+};
+
+// ----------------------------------------------------------------------------
+// wxOutputStream: base for the output streams
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxOutputStream : public wxStreamBase
+{
+public:
+ wxOutputStream();
+ virtual ~wxOutputStream();
+
+ void PutC(char c);
+ virtual wxOutputStream& Write(const void *buffer, size_t size);
+ wxOutputStream& Write(wxInputStream& stream_in);
+
+ virtual wxFileOffset SeekO(wxFileOffset pos, wxSeekMode mode = wxFromStart);
+ virtual wxFileOffset TellO() const;
+
+ virtual size_t LastWrite() const { return wxStreamBase::m_lastcount; }
+
+ virtual void Sync();
+ virtual bool Close() { return true; }
+
+ wxOutputStream& operator<<(wxInputStream& out) { return Write(out); }
+ wxOutputStream& operator<<( __wxOutputManip func) { return func(*this); }
+
+protected:
+ // to be implemented in the derived classes (it should have been pure
+ // virtual)
+ virtual size_t OnSysWrite(const void *buffer, size_t bufsize);
+
+ friend class wxStreamBuffer;
+
+ DECLARE_ABSTRACT_CLASS(wxOutputStream)
+ DECLARE_NO_COPY_CLASS(wxOutputStream)
+};
+
+// ============================================================================
+// helper stream classes
+// ============================================================================
-/*
- * wxStream: base classes
- */
+// ---------------------------------------------------------------------------
+// A stream for measuring streamed output
+// ---------------------------------------------------------------------------
-typedef enum {
- wxFromStart, wxFromCurrent, wxFromEnd
-} wxSeekMode;
+class WXDLLIMPEXP_BASE wxCountingOutputStream : public wxOutputStream
+{
+public:
+ wxCountingOutputStream();
-class wxOutputStream;
-class wxInputStream: virtual public wxObject {
- DECLARE_ABSTRACT_CLASS(wxInputStream)
- public:
- wxInputStream();
- virtual ~wxInputStream();
+ wxFileOffset GetLength() const;
+ bool Ok() const { return IsOk(); }
+ bool IsOk() const { return true; }
- virtual wxInputStream& Read(void *buffer, size_t size) = 0;
- wxInputStream& Read(wxOutputStream& stream_out);
+protected:
+ virtual size_t OnSysWrite(const void *buffer, size_t size);
+ virtual wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
+ virtual wxFileOffset OnSysTell() const;
- virtual off_t SeekI(off_t pos, wxSeekMode mode = wxFromStart) = 0;
- virtual off_t TellI() const = 0;
+ size_t m_currentPos;
- virtual bool Eof() const = 0;
- virtual size_t LastRead() const = 0;
+ DECLARE_DYNAMIC_CLASS(wxCountingOutputStream)
+ DECLARE_NO_COPY_CLASS(wxCountingOutputStream)
};
-class wxOutputStream: virtual public wxObject {
- DECLARE_ABSTRACT_CLASS(wxOutputStream)
- public:
- wxOutputStream();
- virtual ~wxOutputStream();
+// ---------------------------------------------------------------------------
+// "Filter" streams
+// ---------------------------------------------------------------------------
- virtual wxOutputStream& Write(const void *buffer, size_t size) = 0;
- wxOutputStream& Write(wxInputStream& stream_in);
+class WXDLLIMPEXP_BASE wxFilterInputStream : public wxInputStream
+{
+public:
+ wxFilterInputStream();
+ wxFilterInputStream(wxInputStream& stream);
+ wxFilterInputStream(wxInputStream *stream);
+ virtual ~wxFilterInputStream();
- virtual off_t SeekO(off_t pos, wxSeekMode mode = wxFromStart) = 0;
- virtual off_t TellO() const = 0;
+ char Peek() { return m_parent_i_stream->Peek(); }
- virtual bool Bad() const = 0;
- virtual size_t LastWrite() const = 0;
+ wxFileOffset GetLength() const { return m_parent_i_stream->GetLength(); }
- virtual void Sync() {}
+ wxInputStream *GetFilterInputStream() const { return m_parent_i_stream; }
+
+protected:
+ wxInputStream *m_parent_i_stream;
+ bool m_owns;
+
+ DECLARE_ABSTRACT_CLASS(wxFilterInputStream)
+ DECLARE_NO_COPY_CLASS(wxFilterInputStream)
+};
+
+class WXDLLIMPEXP_BASE wxFilterOutputStream : public wxOutputStream
+{
+public:
+ wxFilterOutputStream();
+ wxFilterOutputStream(wxOutputStream& stream);
+ wxFilterOutputStream(wxOutputStream *stream);
+ virtual ~wxFilterOutputStream();
+
+ wxFileOffset GetLength() const { return m_parent_o_stream->GetLength(); }
+
+ wxOutputStream *GetFilterOutputStream() const { return m_parent_o_stream; }
+
+ bool Close();
+
+protected:
+ wxOutputStream *m_parent_o_stream;
+ bool m_owns;
+
+ DECLARE_ABSTRACT_CLASS(wxFilterOutputStream)
+ DECLARE_NO_COPY_CLASS(wxFilterOutputStream)
};
-class wxStream: virtual public wxInputStream, virtual public wxOutputStream {
- public:
- wxStream() {}
- virtual ~wxStream() { }
+enum wxStreamProtocolType
+{
+ wxSTREAM_PROTOCOL, // wxFileSystem protocol (should be only one)
+ wxSTREAM_MIMETYPE, // MIME types the stream handles
+ wxSTREAM_ENCODING, // The HTTP Content-Encodings the stream handles
+ wxSTREAM_FILEEXT // File extensions the stream handles
+};
+
+void WXDLLIMPEXP_BASE wxUseFilterClasses();
+
+class WXDLLIMPEXP_BASE wxFilterClassFactoryBase : public wxObject
+{
+public:
+ virtual ~wxFilterClassFactoryBase() { }
+
+ wxString GetProtocol() const { return wxString(*GetProtocols()); }
+ wxString PopExtension(const wxString& location) const;
+
+ virtual const wxChar * const *GetProtocols(wxStreamProtocolType type
+ = wxSTREAM_PROTOCOL) const = 0;
+
+ bool CanHandle(const wxString& protocol,
+ wxStreamProtocolType type
+ = wxSTREAM_PROTOCOL) const;
+
+protected:
+ wxString::size_type FindExtension(const wxString& location) const;
+
+ DECLARE_ABSTRACT_CLASS(wxFilterClassFactoryBase)
+};
+
+class WXDLLIMPEXP_BASE wxFilterClassFactory : public wxFilterClassFactoryBase
+{
+public:
+ virtual ~wxFilterClassFactory() { }
+
+ virtual wxFilterInputStream *NewStream(wxInputStream& stream) const = 0;
+ virtual wxFilterOutputStream *NewStream(wxOutputStream& stream) const = 0;
+ virtual wxFilterInputStream *NewStream(wxInputStream *stream) const = 0;
+ virtual wxFilterOutputStream *NewStream(wxOutputStream *stream) const = 0;
+
+ static const wxFilterClassFactory *Find(const wxString& protocol,
+ wxStreamProtocolType type
+ = wxSTREAM_PROTOCOL);
+
+ static const wxFilterClassFactory *GetFirst();
+ const wxFilterClassFactory *GetNext() const { return m_next; }
+
+ void PushFront() { Remove(); m_next = sm_first; sm_first = this; }
+ void Remove();
+
+protected:
+ wxFilterClassFactory() : m_next(this) { }
+
+ wxFilterClassFactory& operator=(const wxFilterClassFactory&)
+ { return *this; }
+
+private:
+ static wxFilterClassFactory *sm_first;
+ wxFilterClassFactory *m_next;
+
+ DECLARE_ABSTRACT_CLASS(wxFilterClassFactory)
+};
+
+// ============================================================================
+// buffered streams
+// ============================================================================
+
+// ---------------------------------------------------------------------------
+// Stream buffer: this class can be derived from and passed to
+// wxBufferedStreams to implement custom buffering
+// ---------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxStreamBuffer
+{
+public:
+ enum BufMode
+ {
+ read,
+ write,
+ read_write
+ };
+
+ wxStreamBuffer(wxStreamBase& stream, BufMode mode);
+ wxStreamBuffer(const wxStreamBuffer& buf);
+ virtual ~wxStreamBuffer();
+
+ // Filtered IO
+ virtual size_t Read(void *buffer, size_t size);
+ size_t Read(wxStreamBuffer *buf);
+ virtual size_t Write(const void *buffer, size_t size);
+ size_t Write(wxStreamBuffer *buf);
+
+ virtual char Peek();
+ virtual char GetChar();
+ virtual void PutChar(char c);
+ virtual wxFileOffset Tell() const;
+ virtual wxFileOffset Seek(wxFileOffset pos, wxSeekMode mode);
+
+ // Buffer control
+ void ResetBuffer();
+ void Truncate();
+
+ // NB: the buffer must always be allocated with malloc() if takeOwn is
+ // true as it will be deallocated by free()
+ void SetBufferIO(void *start, void *end, bool takeOwnership = false);
+ void SetBufferIO(void *start, size_t len, bool takeOwnership = false);
+ void SetBufferIO(size_t bufsize);
+ void *GetBufferStart() const { return m_buffer_start; }
+ void *GetBufferEnd() const { return m_buffer_end; }
+ void *GetBufferPos() const { return m_buffer_pos; }
+ size_t GetBufferSize() const { return m_buffer_end - m_buffer_start; }
+ size_t GetIntPosition() const { return m_buffer_pos - m_buffer_start; }
+ void SetIntPosition(size_t pos) { m_buffer_pos = m_buffer_start + pos; }
+ size_t GetLastAccess() const { return m_buffer_end - m_buffer_start; }
+ size_t GetBytesLeft() const { return m_buffer_end - m_buffer_pos; }
+
+ void Fixed(bool fixed) { m_fixed = fixed; }
+ void Flushable(bool f) { m_flushable = f; }
+
+ bool FlushBuffer();
+ bool FillBuffer();
+ size_t GetDataLeft();
+
+ // misc accessors
+ wxStreamBase *GetStream() const { return m_stream; }
+ bool HasBuffer() const { return m_buffer_start != m_buffer_end; }
+
+ bool IsFixed() const { return m_fixed; }
+ bool IsFlushable() const { return m_flushable; }
+
+ // only for input/output buffers respectively, returns NULL otherwise
+ wxInputStream *GetInputStream() const;
+ wxOutputStream *GetOutputStream() const;
+
+#if WXWIN_COMPATIBILITY_2_6
+ // deprecated, for compatibility only
+ wxDEPRECATED( wxStreamBase *Stream() );
+#endif // WXWIN_COMPATIBILITY_2_6
+
+ // this constructs a dummy wxStreamBuffer, used by (and exists for)
+ // wxMemoryStreams only, don't use!
+ wxStreamBuffer(BufMode mode);
+
+protected:
+ void GetFromBuffer(void *buffer, size_t size);
+ void PutToBuffer(const void *buffer, size_t size);
+
+ // set the last error to the specified value if we didn't have it before
+ void SetError(wxStreamError err);
+
+ // common part of several ctors
+ void Init();
+
+ // init buffer variables to be empty
+ void InitBuffer();
+
+ // free the buffer (always safe to call)
+ void FreeBuffer();
+
+ // the buffer itself: the pointers to its start and end and the current
+ // position in the buffer
+ char *m_buffer_start,
+ *m_buffer_end,
+ *m_buffer_pos;
+
+ // the stream we're associated with
+ wxStreamBase *m_stream;
+
+ // its mode
+ BufMode m_mode;
+
+ // flags
+ bool m_destroybuf, // deallocate buffer?
+ m_fixed,
+ m_flushable;
+
+private:
+// Cannot use
+// DECLARE_NO_COPY_CLASS(wxStreamBuffer)
+// because copy constructor is explicitly declared above;
+// but no copy assignment operator is defined, so declare
+// it private to prevent the compiler from defining it:
+ wxStreamBuffer& operator=(const wxStreamBuffer&);
};
-/*
- * "Filter" streams
- */
+// ---------------------------------------------------------------------------
+// wxBufferedInputStream
+// ---------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxBufferedInputStream : public wxFilterInputStream
+{
+public:
+ // if a non NULL buffer is given to the stream, it will be deleted by it
+ wxBufferedInputStream(wxInputStream& stream,
+ wxStreamBuffer *buffer = NULL);
+ virtual ~wxBufferedInputStream();
-class wxFilterInputStream: public wxInputStream {
- DECLARE_CLASS(wxFilterInputStream)
- public:
- wxFilterInputStream(wxInputStream& stream);
- virtual ~wxFilterInputStream();
+ char Peek();
+ wxInputStream& Read(void *buffer, size_t size);
- virtual wxInputStream& Read(void *buffer, size_t size)
- { return m_parent_i_stream->Read(buffer, size); }
- virtual off_t SeekI(off_t pos, wxSeekMode mode = wxFromStart)
- { return m_parent_i_stream->SeekI(pos, mode); }
+ // Position functions
+ wxFileOffset SeekI(wxFileOffset pos, wxSeekMode mode = wxFromStart);
+ wxFileOffset TellI() const;
+ bool IsSeekable() const { return m_parent_i_stream->IsSeekable(); }
- virtual bool Eof() const { return m_parent_i_stream->Eof(); }
- virtual size_t LastRead() const { return m_parent_i_stream->LastRead(); }
+ // the buffer given to the stream will be deleted by it
+ void SetInputStreamBuffer(wxStreamBuffer *buffer);
+ wxStreamBuffer *GetInputStreamBuffer() const { return m_i_streambuf; }
- protected:
- wxInputStream *m_parent_i_stream;
+#if WXWIN_COMPATIBILITY_2_6
+ // deprecated, for compatibility only
+ wxDEPRECATED( wxStreamBuffer *InputStreamBuffer() const );
+#endif // WXWIN_COMPATIBILITY_2_6
+
+protected:
+ virtual size_t OnSysRead(void *buffer, size_t bufsize);
+ virtual wxFileOffset OnSysSeek(wxFileOffset seek, wxSeekMode mode);
+ virtual wxFileOffset OnSysTell() const;
+
+ wxStreamBuffer *m_i_streambuf;
+
+ DECLARE_NO_COPY_CLASS(wxBufferedInputStream)
};
-class wxFilterOutputStream: public wxOutputStream {
- DECLARE_CLASS(wxFilterOutputStream)
- public:
- wxFilterOutputStream(wxOutputStream& stream);
- virtual ~wxFilterOutputStream();
+// ----------------------------------------------------------------------------
+// wxBufferedOutputStream
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxBufferedOutputStream : public wxFilterOutputStream
+{
+public:
+ // if a non NULL buffer is given to the stream, it will be deleted by it
+ wxBufferedOutputStream(wxOutputStream& stream,
+ wxStreamBuffer *buffer = NULL);
+ virtual ~wxBufferedOutputStream();
- virtual wxOutputStream& Write(const void *buffer, size_t size)
- { return m_parent_o_stream->Write(buffer, size); }
- virtual off_t SeekO(off_t pos, wxSeekMode mode = wxFromStart)
- { return m_parent_o_stream->SeekO(pos, mode); }
+ wxOutputStream& Write(const void *buffer, size_t size);
- virtual bool Bad() const { return m_parent_o_stream->Bad(); }
- virtual size_t LastWrite() const { return m_parent_o_stream->LastWrite(); }
+ // Position functions
+ wxFileOffset SeekO(wxFileOffset pos, wxSeekMode mode = wxFromStart);
+ wxFileOffset TellO() const;
+ bool IsSeekable() const { return m_parent_o_stream->IsSeekable(); }
- protected:
- wxOutputStream *m_parent_o_stream;
+ void Sync();
+ bool Close();
+
+ wxFileOffset GetLength() const;
+
+ // the buffer given to the stream will be deleted by it
+ void SetOutputStreamBuffer(wxStreamBuffer *buffer);
+ wxStreamBuffer *GetOutputStreamBuffer() const { return m_o_streambuf; }
+
+#if WXWIN_COMPATIBILITY_2_6
+ // deprecated, for compatibility only
+ wxDEPRECATED( wxStreamBuffer *OutputStreamBuffer() const );
+#endif // WXWIN_COMPATIBILITY_2_6
+
+protected:
+ virtual size_t OnSysWrite(const void *buffer, size_t bufsize);
+ virtual wxFileOffset OnSysSeek(wxFileOffset seek, wxSeekMode mode);
+ virtual wxFileOffset OnSysTell() const;
+
+ wxStreamBuffer *m_o_streambuf;
+
+ DECLARE_NO_COPY_CLASS(wxBufferedOutputStream)
};
-#endif
+#if WXWIN_COMPATIBILITY_2_6
+ inline wxStreamBase *wxStreamBuffer::Stream() { return m_stream; }
+ inline wxStreamBuffer *wxBufferedInputStream::InputStreamBuffer() const { return m_i_streambuf; }
+ inline wxStreamBuffer *wxBufferedOutputStream::OutputStreamBuffer() const { return m_o_streambuf; }
+#endif // WXWIN_COMPATIBILITY_2_6
+
+#endif // wxUSE_STREAMS
+
+#endif // _WX_WXSTREAM_H__
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