///////////////////////////////////////////////////////////////////////////////

// Name:        wx/unix/private/pipestream.h

// Purpose:     Unix wxPipeInputStream and wxPipeOutputStream declarations

// Author:      Vadim Zeitlin

// Created:     2013-06-08 (extracted from wx/unix/pipe.h)

// Copyright:   (c) 2013 Vadim Zeitlin <vadim@wxwidgets.org>

// Licence:     wxWindows licence

///////////////////////////////////////////////////////////////////////////////

#ifndef _WX_UNIX_PRIVATE_PIPESTREAM_H_

#define _WX_UNIX_PRIVATE_PIPESTREAM_H_

#include "wx/wfstream.h"

class wxPipeInputStream : public wxFileInputStream

{

public:

    explicit wxPipeInputStream(int fd) : wxFileInputStream(fd) { }

    // return true if the pipe is still opened

    bool IsOpened() const { return !Eof(); }

    // return true if we have anything to read, don't block

    virtual bool CanRead() const override;

};

class wxPipeOutputStream : public wxFileOutputStream

{

public:

    wxPipeOutputStream(int fd) : wxFileOutputStream(fd) { }

    // Override the base class version to ignore "pipe full" errors: this is

    // not an error for this class.

    size_t OnSysWrite(const void *buffer, size_t size) override;

};

#endif // _WX_UNIX_PRIVATE_PIPESTREAM_H_