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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 1993-2021 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// This file is part of Octave.
//
// Octave is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Octave is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Octave; see the file COPYING. If not, see
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////
#if ! defined (octave_procstream_h)
#define octave_procstream_h 1
#include "octave-config.h"
#include <iosfwd>
#include <string>
#include <sys/types.h>
#include "oct-procbuf.h"
class
OCTINTERP_API
procstreambase : virtual public std::ios
{
public:
procstreambase (void) : m_pb () { pb_init (); }
procstreambase (const std::string& name, int mode);
procstreambase (const char *name, int mode);
~procstreambase (void) { close (); }
void open (const std::string& name, int mode)
{
open (name.c_str (), mode);
}
void open (const char *name, int mode);
int is_open (void) const { return m_pb.is_open (); }
int close (void);
pid_t pid (void) const { return m_pb.pid (); }
int file_number (void) const { return m_pb.file_number (); }
private:
octave_procbuf m_pb;
void pb_init (void)
{
// Explicit initialization of the std::ios object is needed.
// FIXME: is there a better way to organize these classes?
init (&m_pb);
}
procstreambase (const procstreambase&);
procstreambase& operator = (const procstreambase&);
};
class
OCTINTERP_API
iprocstream : public std::istream, public procstreambase
{
public:
iprocstream (void) : std::istream (nullptr), procstreambase () { }
iprocstream (const std::string& name, int mode = std::ios::in)
: std::istream (nullptr), procstreambase (name, mode)
{ }
iprocstream (const char *name, int mode = std::ios::in)
: std::istream (nullptr), procstreambase (name, mode)
{ }
~iprocstream (void) = default;
void open (const std::string& name, int mode = std::ios::in)
{
procstreambase::open (name, mode);
}
void open (const char *name, int mode = std::ios::in)
{
procstreambase::open (name, mode);
}
private:
iprocstream (const iprocstream&);
iprocstream& operator = (const iprocstream&);
};
class
OCTINTERP_API
oprocstream : public std::ostream, public procstreambase
{
public:
oprocstream (void) : std::ostream (nullptr), procstreambase () { }
oprocstream (const std::string& name, int mode = std::ios::out)
: std::ostream (nullptr), procstreambase (name, mode) { }
oprocstream (const char *name, int mode = std::ios::out)
: std::ostream (nullptr), procstreambase (name, mode) { }
~oprocstream (void) = default;
void open (const std::string& name, int mode = std::ios::out)
{
procstreambase::open (name, mode);
}
void open (const char *name, int mode = std::ios::out)
{
procstreambase::open (name, mode);
}
private:
oprocstream (const oprocstream&);
oprocstream& operator = (const oprocstream&);
};
class
OCTINTERP_API
procstream : public std::iostream, public procstreambase
{
public:
procstream (void) : std::iostream (nullptr), procstreambase () { }
procstream (const std::string& name, int mode)
: std::iostream (nullptr), procstreambase (name, mode)
{ }
procstream (const char *name, int mode)
: std::iostream (nullptr), procstreambase (name, mode)
{ }
~procstream (void) = default;
void open (const std::string& name, int mode)
{
procstreambase::open (name, mode);
}
void open (const char *name, int mode)
{
procstreambase::open (name, mode);
}
private:
procstream (const procstream&);
procstream& operator = (const procstream&);
};
#endif
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