89 lines
3.0 KiB
C++
89 lines
3.0 KiB
C++
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/********************************************************
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* ██████╗ ██████╗████████╗██╗
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* ██╔════╝ ██╔════╝╚══██╔══╝██║
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* ██║ ███╗██║ ██║ ██║
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* ██║ ██║██║ ██║ ██║
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* ╚██████╔╝╚██████╗ ██║ ███████╗
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* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
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* Geophysical Computational Tools & Library (GCTL)
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*
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* Copyright (c) 2022 Yi Zhang (yizhang-geo@zju.edu.cn)
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*
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* GCTL is distributed under a dual licensing scheme. You can redistribute
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* it and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, either version 2
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* of the License, or (at your option) any later version. You should have
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* received a copy of the GNU Lesser General Public License along with this
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* program. If not, see <http://www.gnu.org/licenses/>.
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*
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* If the terms and conditions of the LGPL v.2. would prevent you from using
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* the GCTL, please consider the option to obtain a commercial license for a
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* fee. These licenses are offered by the GCTL's original author. As a rule,
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* licenses are provided "as-is", unlimited in time for a one time fee. Please
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* send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget
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* to include some description of your company and the realm of its activities.
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* Also add information on how to contact you by electronic and paper mail.
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******************************************************/
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#include "gnuplot.h"
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gctl::gnuplot::gnuplot(bool persist)
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{
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_2buffer = false;
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pipe = popen(persist ? "gnuplot -persist" : "gnuplot", "w");
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if (!pipe) throw std::runtime_error("gnuplot pipe failed to open. Try install gnuplot first.");
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}
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gctl::gnuplot::~gnuplot()
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{
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if (pipe) pclose(pipe);
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}
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void gctl::gnuplot::to_buffer()
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{
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_2buffer = true;
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return;
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}
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void gctl::gnuplot::send(const std::string& cmd, bool next_block)
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{
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if (!pipe) return;
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if (!_2buffer) fputs((cmd + "\n").c_str(), pipe);
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else
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{
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if (next_block) buffer.push_back(cmd + "\n\n");
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else buffer.push_back(cmd + "\n");
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}
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return;
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}
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void gctl::gnuplot::send_buffer(size_t repeat)
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{
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if (!pipe) return;
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for (size_t i = 0; i < repeat; i++)
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{
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for (auto& line : buffer) fputs(line.c_str(), pipe);
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fputs("\n", pipe);
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}
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fflush(pipe);
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buffer.clear();
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return;
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}
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void gctl::gnuplot::save_buffer(const std::string& filename)
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{
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time_t now = time(0);
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char* dt = ctime(&now);
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std::ofstream outfile;
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open_outfile(outfile, filename, ".gp");
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outfile << "# This script is saved by gctl::gnuplot on " << dt;
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outfile << "# For more information please connect yizhang-geo@zju.edu.cn" << std::endl;
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for (auto& line : buffer) outfile << line;
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outfile.close();
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return;
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}
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