Mercurial > octave
view libinterp/corefcn/oct-iostrm.h @ 29358:0a5b15007766 stable
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2021.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 10 Feb 2021 09:52:15 -0500 |
parents | bd51beb6205e |
children | 3988112c7116 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2021 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_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), m_name (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 m_name; } protected: void invalid_operation (void) const; private: std::string m_name; virtual const char * stream_type (void) const = 0; }; class octave_istream : public octave_base_iostream { public: octave_istream (std::istream *arg = nullptr, const std::string& n = "") : octave_base_iostream (n, std::ios::in, octave::mach_info::native_float_format ()), m_istream (arg) { } static octave::stream create (std::istream *arg = nullptr, const std::string& n = ""); // Return nonzero if EOF has been reached on this stream. bool eof (void) const; std::istream * input_stream (void) { return m_istream; } std::ostream * output_stream (void) { return nullptr; } protected: ~octave_istream (void) = default; private: std::istream *m_istream; 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 ()), m_ostream (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 nullptr; } std::ostream * output_stream (void) { return m_ostream; } protected: ~octave_ostream (void) = default; private: std::ostream *m_ostream; 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