Mercurial > octave
view libinterp/corefcn/environment.h @ 27477:b470734a025e
Return an empty string from rats when input is empty (bug #57004).
* pr-output.cc (Frats): Use isempty() to detect special case of input early and
immediately return an empty string. Add BIST test for bug #57004.
author | Rik <rik@octave.org> |
---|---|
date | Sat, 05 Oct 2019 14:04:36 -0700 |
parents | 00f796120a6d |
children | b442ec6dda5c |
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/* Copyright (C) 2017-2019 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 <https://www.gnu.org/licenses/>. */ #if ! defined (octave_environment_h) #define octave_environment_h 1 #include "octave-config.h" #include <string> class octave_value; class octave_value_list; namespace octave { class environment { public: environment (void) : m_editor (init_editor ()), m_exec_path (init_exec_path ()), m_image_path (init_image_path ()) { } octave_value editor (const octave_value_list& args, int nargout); std::string editor (void) const { return m_editor; } std::string editor (const std::string& ed) { return set (m_editor, ed); } octave_value exec_path (const octave_value_list& args, int nargout); std::string exec_path (void) const { return m_exec_path; } std::string exec_path (const std::string& path); octave_value image_path (const octave_value_list& args, int nargout); std::string image_path (void) const { return m_image_path; } std::string image_path (const std::string& path) { return set (m_image_path, path); } private: std::string m_editor; std::string m_exec_path; std::string m_image_path; static std::string init_editor (void); static std::string init_exec_path (void); static std::string init_image_path (void); std::string set (std::string& var, const std::string& new_val) { std::string old_val = var; var = new_val; return old_val; } }; } #endif