Mercurial > octave
view libinterp/corefcn/oct-iostrm.h @ 23432:e35a5c1233d0
maint: Use convention 'int *x' for naming pointers.
* annotation-dialog.h, files-dock-widget.cc, find-files-dialog.cc,
find-files-dialog.h, file-editor.cc, file-editor.h, main-window.cc,
main-window.h, octave-dock-widget.cc, parser.h, settings-dialog.h,
load-save.cc, mex.cc, pr-output.cc, symtab.cc, __ode15__.cc, ov-bool-sparse.cc,
ov-cx-sparse.cc, ov-fcn-inline.cc, ov-re-sparse.cc, Sparse.cc, idx-vector.cc,
idx-vector.h: Use convention 'int *x' for naming pointers.
author | Rik <rik@octave.org> |
---|---|
date | Mon, 24 Apr 2017 14:38:34 -0700 |
parents | 092078913d54 |
children | cd4e1ee28716 |
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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_iostrm_h) #define octave_oct_iostrm_h 1 #include "octave-config.h" #include <iosfwd> #include "oct-stream.h" class octave_base_iostream : public octave::base_stream { public: octave_base_iostream (const std::string& n = "", std::ios::openmode m = std::ios::in | std::ios::out, octave::mach_info::float_format ff = octave::mach_info::native_float_format ()) : octave::base_stream (m, ff), nm (n) { } // No copying! octave_base_iostream (const octave_base_iostream&) = delete; octave_base_iostream& operator = (const octave_base_iostream&) = delete; protected: ~octave_base_iostream (void) = default; public: // 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: void invalid_operation (void) const; private: std::string nm; virtual const char *stream_type (void) const = 0; }; class octave_istream : public octave_base_iostream { public: octave_istream (std::istream *arg = 0, const std::string& n = "") : octave_base_iostream (n, std::ios::in, octave::mach_info::native_float_format ()), is (arg) { } static octave::stream create (std::istream *arg = 0, const std::string& n = ""); // 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) = default; private: std::istream *is; const char *stream_type (void) const { return "octave_istream"; } // No copying! octave_istream (const octave_istream&) = delete; octave_istream& operator = (const octave_istream&) = delete; }; class octave_ostream : public octave_base_iostream { public: octave_ostream (std::ostream *arg, const std::string& n = "") : octave_base_iostream (n, std::ios::out, octave::mach_info::native_float_format ()), os (arg) { } static octave::stream create (std::ostream *arg, const std::string& n = ""); // 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) = default; private: std::ostream *os; const char *stream_type (void) const { return "octave_ostream"; } // No copying! octave_ostream (const octave_ostream&) = delete; octave_ostream& operator = (const octave_ostream&) = delete; }; #endif