Mercurial > octave
view libinterp/corefcn/oct-hist.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) 1993-2019 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_oct_hist_h) #define octave_oct_hist_h 1 #include "octave-config.h" #include <string> #include "cmd-hist.h" #include "ovl.h" namespace octave { class interpreter; class history_system { public: history_system (interpreter& interp); history_system (const history_system&) = delete; history_system& operator = (const history_system&) = delete; ~history_system (void) = default; void initialize (bool read_history_file = false); void write_timestamp (void); octave_value input_from_tmp_file (const octave_value_list& args, int nargout); bool input_from_tmp_file (void) const { return m_input_from_tmp_file; } bool input_from_tmp_file (bool flag) { return set (m_input_from_tmp_file, flag); } octave_value timestamp_format_string (const octave_value_list& args, int nargout); std::string timestamp_format_string (void) const { return m_timestamp_format_string; } std::string timestamp_format_string (const std::string& file) { return set (m_timestamp_format_string, file); } string_vector do_history (const octave_value_list& args = octave_value_list (), int nargout = 0); void do_edit_history (const octave_value_list& args = octave_value_list ()); void do_run_history (const octave_value_list& args = octave_value_list ()); private: interpreter& m_interpreter; // TRUE means input is coming from temporary history file. bool m_input_from_tmp_file; // The format of the timestamp marker written to the history file when // Octave exits. std::string m_timestamp_format_string; static std::string default_file (void); static int default_size (void); static std::string default_timestamp_format (void); template <typename T> T set (T& var, const T& new_val) { T old_val = var; var = new_val; return old_val; } }; } #endif