Mercurial > octave
view libinterp/corefcn/oct-strstrm.h @ 27919:1891570abac8
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2020.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 06 Jan 2020 22:29:51 -0500 |
parents | b442ec6dda5c |
children | bd51beb6205e |
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/* Copyright (C) 1996-2020 The Octave Project Developers See the file COPYRIGHT.md in the top-level directory of this distribution or <https://octave.org/COPYRIGHT.html/>. 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_strstrm_h) #define octave_oct_strstrm_h 1 #include "octave-config.h" #include <string> #include <sstream> #include "oct-stream.h" class octave_base_strstream : public octave::base_stream { public: octave_base_strstream (std::ios::openmode m = std::ios::out, octave::mach_info::float_format ff = octave::mach_info::native_float_format (), const std::string& encoding = "utf-8") : octave::base_stream (m, ff, encoding) { } // No copying! octave_base_strstream (const octave_base_strstream&) = delete; octave_base_strstream& operator = (const octave_base_strstream&) = delete; protected: ~octave_base_strstream (void) = default; public: // Position a stream at OFFSET relative to ORIGIN. int seek (off_t, int); // Return current stream position. virtual off_t tell (void); // The name of the file. std::string name (void) const { return ""; } virtual std::streambuf * rdbuf (void) = 0; virtual bool bad (void) const = 0; virtual void clear (void) = 0; }; class octave_istrstream : public octave_base_strstream { public: octave_istrstream (const char *data, std::ios::openmode arg_md = std::ios::out, octave::mach_info::float_format ff = octave::mach_info::native_float_format (), const std::string& encoding = "utf-8") : octave_base_strstream (arg_md, ff, encoding), m_istream (data) { } octave_istrstream (const std::string& data, std::ios::openmode arg_md = std::ios::out, octave::mach_info::float_format ff = octave::mach_info::native_float_format (), const std::string& encoding = "utf-8") : octave_base_strstream (arg_md, ff, encoding), m_istream (data) { } // No copying! octave_istrstream (const octave_istrstream&) = delete; octave_istrstream& operator = (const octave_istrstream&) = delete; protected: ~octave_istrstream (void) = default; public: static octave::stream create (const char *data, std::ios::openmode arg_md = std::ios::out, octave::mach_info::float_format ff = octave::mach_info::native_float_format (), const std::string& encoding = "utf-8"); static octave::stream create (const std::string& data, std::ios::openmode arg_md = std::ios::out, octave::mach_info::float_format ff = octave::mach_info::native_float_format (), const std::string& encoding = "utf-8"); // Return nonzero if EOF has been reached on this stream. bool eof (void) const { return m_istream.eof (); } std::istream * input_stream (void) { return &m_istream; } std::ostream * output_stream (void) { return nullptr; } off_t tell (void) { return m_istream.tellg (); } std::streambuf * rdbuf (void) { return m_istream ? m_istream.rdbuf () : nullptr; } bool bad (void) const { return m_istream.bad (); } void clear (void) { m_istream.clear (); } private: std::istringstream m_istream; }; class octave_ostrstream : public octave_base_strstream { public: octave_ostrstream (std::ios::openmode arg_md = std::ios::out, octave::mach_info::float_format ff = octave::mach_info::native_float_format (), const std::string& encoding = "utf-8") : octave_base_strstream (arg_md, ff, encoding), m_ostream () { } // No copying! octave_ostrstream (const octave_ostrstream&) = delete; octave_ostrstream& operator = (const octave_ostrstream&) = delete; protected: ~octave_ostrstream (void) = default; public: static octave::stream create (std::ios::openmode arg_md = std::ios::out, octave::mach_info::float_format ff = octave::mach_info::native_float_format (), const std::string& encoding = "utf-8"); // Return nonzero if EOF has been reached on this stream. bool eof (void) const { return m_ostream.eof (); } std::istream * input_stream (void) { return nullptr; } std::ostream * output_stream (void) { return &m_ostream; } std::string str (void) { return m_ostream.str (); } std::streambuf * rdbuf (void) { return m_ostream ? m_ostream.rdbuf () : nullptr; } bool bad (void) const { return m_ostream.bad (); } void clear (void) { m_ostream.clear (); } private: std::ostringstream m_ostream; }; #endif