Mercurial > octave
view liboctave/system/oct-env.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_env_h) #define octave_oct_env_h 1 #include "octave-config.h" #include <string> namespace octave { namespace sys { class OCTAVE_API env { protected: env (void); public: // No copying! env (const env&) = delete; env& operator = (const env&) = delete; static std::string polite_directory_format (const std::string& name); static bool absolute_pathname (const std::string& s); static bool rooted_relative_pathname (const std::string& s); static std::string base_pathname (const std::string& s); static std::string make_absolute (const std::string& s, const std::string& dot_path = get_current_directory ()); static std::string get_current_directory (void); static std::string get_home_directory (void); static std::string get_temp_directory (void); static std::string get_user_config_directory (void); static std::string get_program_name (void); static std::string get_program_invocation_name (void); static std::string get_user_name (void); static std::string get_host_name (void); static std::string getenv (const std::string& name); static void putenv (const std::string& name, const std::string& value); static bool have_x11_display (void); static bool chdir (const std::string& newdir); static void set_program_name (const std::string& s); private: static bool instance_ok (void); std::string do_polite_directory_format (const std::string& name) const; bool do_absolute_pathname (const std::string& s) const; bool do_rooted_relative_pathname (const std::string& s) const; std::string do_base_pathname (const std::string& s) const; std::string do_make_absolute (const std::string& s, const std::string& dot_path) const; std::string do_getcwd (void) const; std::string do_get_home_directory (void) const; std::string do_get_temp_directory (void) const; std::string do_get_user_config_directory (void) const; std::string do_get_user_name (void) const; std::string do_get_host_name (void) const; std::string do_getenv (const std::string& name) const; void do_putenv (const std::string& name, const std::string& value) const; bool do_chdir (const std::string& newdir); void do_set_program_name (const std::string& s) const; void pathname_backup (std::string& path, int n) const; void error (int) const; void error (const std::string&) const; // The real thing. static env *instance; static void cleanup_instance (void) { delete instance; instance = nullptr; } // TRUE means follow symbolic links that point to directories just // as if they are real directories. bool follow_symbolic_links; // TRUE means that pwd always give verbatim directory, regardless // of symbolic link following. bool verbatim_pwd; // Where are we? mutable std::string current_directory; // Etc. mutable std::string prog_name; mutable std::string prog_invocation_name; mutable std::string user_name; mutable std::string host_name; }; } } #endif