Mercurial > octave
view libinterp/corefcn/oct-iostrm.h @ 33557:bfa4ab12b323 bytecode-interpreter tip
maint: Merge default to bytecode-interpreter
author | Arun Giridhar <arungiridhar@gmail.com> |
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date | Thu, 09 May 2024 18:18:53 -0400 |
parents | 4b601ca024d5 |
children |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2024 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" OCTAVE_BEGIN_NAMESPACE(octave) class base_iostream : public base_stream { public: base_iostream (const std::string& n = "", std::ios::openmode m = std::ios::in | std::ios::out, mach_info::float_format ff = mach_info::native_float_format ()) : base_stream (m, ff), m_name (n) { } OCTAVE_DISABLE_COPY_MOVE (base_iostream) protected: ~base_iostream () = default; public: // Position a stream at OFFSET relative to ORIGIN. int seek (off_t offset, int origin); // Return current stream position. off_t tell (); // Return nonzero if EOF has been reached on this stream. bool eof () const; // The name of the file. std::string name () const { return m_name; } protected: void invalid_operation () const; private: std::string m_name; virtual const char * stream_type () const = 0; }; class istream : public base_iostream { public: istream (std::istream *arg = nullptr, const std::string& n = "") : base_iostream (n, std::ios::in, mach_info::native_float_format ()), m_istream (arg) { } OCTAVE_DISABLE_COPY_MOVE (istream) static stream create (std::istream *arg = nullptr, const std::string& n = ""); // Return nonzero if EOF has been reached on this stream. bool eof () const; std::istream * input_stream () { return m_istream; } std::ostream * output_stream () { return nullptr; } protected: ~istream () = default; private: std::istream *m_istream; const char * stream_type () const { return "istream"; } }; class ostream : public base_iostream { public: ostream (std::ostream *arg, const std::string& n = "") : base_iostream (n, std::ios::out, mach_info::native_float_format ()), m_ostream (arg) { } OCTAVE_DISABLE_CONSTRUCT_COPY_MOVE (ostream) static stream create (std::ostream *arg, const std::string& n = ""); // Return nonzero if EOF has been reached on this stream. bool eof () const; std::istream * input_stream () { return nullptr; } std::ostream * output_stream () { return m_ostream; } protected: ~ostream () = default; private: std::ostream *m_ostream; const char * stream_type () const { return "ostream"; } }; OCTAVE_END_NAMESPACE(octave) #endif