/usr/include/octave-4.2.2/octave/oct-stdstrm.h is in liboctave-dev 4.2.2-1ubuntu1.
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) 1996-2017 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_stdstrm_h)
#define octave_oct_stdstrm_h 1
#include "octave-config.h"
#include "oct-stream.h"
#include "c-file-ptr-stream.h"
template <typename BUF_T, typename STREAM_T, typename FILE_T>
class
octave_tstdiostream : public octave_base_stream
{
public:
octave_tstdiostream (const std::string& n, FILE_T f = 0, int fid = 0,
std::ios::openmode m = std::ios::in | std::ios::out,
octave::mach_info::float_format ff
= octave::mach_info::native_float_format (),
typename BUF_T::close_fcn cf = BUF_T::file_close)
: octave_base_stream (m, ff), nm (n), md (m),
s (f ? new STREAM_T (f, cf) : 0), fnum (fid)
{ }
// Position a stream at OFFSET relative to ORIGIN.
int seek (off_t offset, int origin)
{ return s ? s->seek (offset, origin) : -1; }
// Return current stream position.
off_t tell (void) { return s ? s->tell () : -1; }
// Return nonzero if EOF has been reached on this stream.
bool eof (void) const { return s ? s->eof () : true; }
// The name of the file.
std::string name (void) const { return nm; }
std::istream *input_stream (void) { return (md & std::ios::in) ? s : 0; }
std::ostream *output_stream (void) { return (md & std::ios::out) ? s : 0; }
// FIXME: should not have to cast away const here.
BUF_T *rdbuf (void) const
{ return s ? (const_cast<STREAM_T *> (s))->rdbuf () : 0; }
int file_number (void) const { return fnum; }
bool bad (void) const { return s ? s->bad () : true; }
void clear (void) { if (s) s->clear (); }
void do_close (void) { if (s) s->stream_close (); }
protected:
std::string nm;
std::ios::openmode md;
STREAM_T *s;
// The file number associated with this file.
int fnum;
~octave_tstdiostream (void) { delete s; }
private:
// No copying!
octave_tstdiostream (const octave_tstdiostream&);
octave_tstdiostream& operator = (const octave_tstdiostream&);
};
class
octave_stdiostream
: public octave_tstdiostream<c_file_ptr_buf, io_c_file_ptr_stream, FILE *>
{
public:
octave_stdiostream (const std::string& n, FILE *f = 0,
std::ios::openmode m = std::ios::in | std::ios::out,
octave::mach_info::float_format ff
= octave::mach_info::native_float_format (),
c_file_ptr_buf::close_fcn cf = c_file_ptr_buf::file_close)
: octave_tstdiostream<c_file_ptr_buf, io_c_file_ptr_stream, FILE *>
(n, f, f ? fileno (f) : -1, m, ff, cf) { }
static octave_stream
create (const std::string& n, FILE *f = 0,
std::ios::openmode m = std::ios::in | std::ios::out,
octave::mach_info::float_format ff
= octave::mach_info::native_float_format (),
c_file_ptr_buf::close_fcn cf = c_file_ptr_buf::file_close)
{
return octave_stream (new octave_stdiostream (n, f, m, ff, cf));
}
protected:
~octave_stdiostream (void) { }
private:
// No copying!
octave_stdiostream (const octave_stdiostream&);
octave_stdiostream& operator = (const octave_stdiostream&);
};
#if defined (HAVE_ZLIB)
class
octave_zstdiostream
: public octave_tstdiostream<c_zfile_ptr_buf, io_c_zfile_ptr_stream, gzFile>
{
public:
octave_zstdiostream (const std::string& n, gzFile f = 0, int fid = 0,
std::ios::openmode m = std::ios::in | std::ios::out,
octave::mach_info::float_format ff
= octave::mach_info::native_float_format (),
c_zfile_ptr_buf::close_fcn cf
= c_zfile_ptr_buf::file_close)
: octave_tstdiostream<c_zfile_ptr_buf, io_c_zfile_ptr_stream, gzFile>
(n, f, fid, m, ff, cf) { }
static octave_stream
create (const std::string& n, gzFile f = 0, int fid = 0,
std::ios::openmode m = std::ios::in | std::ios::out,
octave::mach_info::float_format ff
= octave::mach_info::native_float_format (),
c_zfile_ptr_buf::close_fcn cf = c_zfile_ptr_buf::file_close)
{
return octave_stream (new octave_zstdiostream (n, f, fid, m, ff, cf));
}
protected:
~octave_zstdiostream (void) { }
private:
// No copying!
octave_zstdiostream (const octave_zstdiostream&);
octave_zstdiostream& operator = (const octave_zstdiostream&);
};
#endif
#endif
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