/usr/include/octave-4.0.0/octave/oct-iostrm.h is in liboctave-dev 4.0.0-3ubuntu9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (C) 1996-2015 John W. Eaton
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
<http://www.gnu.org/licenses/>.
*/
#if !defined (octave_oct_iostrm_h)
#define octave_oct_iostrm_h 1
#include <iosfwd>
#include "oct-stream.h"
class
octave_base_iostream : public octave_base_stream
{
public:
octave_base_iostream (const std::string& n = std::string (),
std::ios::openmode m = std::ios::in|std::ios::out,
oct_mach_info::float_format ff
= oct_mach_info::native_float_format ())
: octave_base_stream (m, ff), nm (n) { }
// Position a stream at OFFSET relative to ORIGIN.
int seek (off_t offset, int origin);
// Return current stream position.
off_t tell (void);
// Return nonzero if EOF has been reached on this stream.
bool eof (void) const;
// The name of the file.
std::string name (void) const { return nm; }
protected:
~octave_base_iostream (void) { }
void invalid_operation (void) const;
private:
std::string nm;
virtual const char *stream_type (void) const = 0;
// No copying!
octave_base_iostream (const octave_base_iostream&);
octave_base_iostream& operator = (const octave_base_iostream&);
};
class
octave_istream : public octave_base_iostream
{
public:
octave_istream (std::istream *arg = 0, const std::string& n = std::string ())
: octave_base_iostream (n, std::ios::in,
oct_mach_info::native_float_format ()),
is (arg)
{ }
static octave_stream
create (std::istream *arg = 0, const std::string& n = std::string ());
// Return nonzero if EOF has been reached on this stream.
bool eof (void) const;
std::istream *input_stream (void) { return is; }
std::ostream *output_stream (void) { return 0; }
protected:
~octave_istream (void) { }
private:
std::istream *is;
const char *stream_type (void) const { return "octave_istream"; }
// No copying!
octave_istream (const octave_istream&);
octave_istream& operator = (const octave_istream&);
};
class
octave_ostream : public octave_base_iostream
{
public:
octave_ostream (std::ostream *arg, const std::string& n = std::string ())
: octave_base_iostream (n, std::ios::out,
oct_mach_info::native_float_format ()),
os (arg)
{ }
static octave_stream
create (std::ostream *arg, const std::string& n = std::string ());
// Return nonzero if EOF has been reached on this stream.
bool eof (void) const;
std::istream *input_stream (void) { return 0; }
std::ostream *output_stream (void) { return os; }
protected:
~octave_ostream (void) { }
private:
std::ostream *os;
const char *stream_type (void) const { return "octave_ostream"; }
// No copying!
octave_ostream (const octave_ostream&);
octave_ostream& operator = (const octave_ostream&);
};
#endif
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