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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 1993-2021 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_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
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