78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
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// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2024, Parallax Software, Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#include "Xyce.hh"
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#include <fstream>
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#include <sstream>
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#include <memory>
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#include "Error.hh"
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namespace sta {
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using std::string;
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using std::ifstream;
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using std::getline;
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using std::stringstream;
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using std::vector;
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using std::make_shared;
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void
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readXyceCsv(const char *csv_filename,
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// Return values.
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StdStringSeq &titles,
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WaveformSeq &waveforms)
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{
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ifstream file(csv_filename);
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if (file.is_open()) {
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string line;
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// Read the header line.
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getline(file, line);
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stringstream ss(line);
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string field;
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size_t col = 0;
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while (getline(ss, field, ',')) {
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// Skip TIME title.
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if (col > 0)
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titles.push_back(field);
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col++;
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}
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vector<FloatSeq> values(titles.size() + 1);
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while (getline(file, line)) {
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stringstream ss(line);
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size_t col = 0;
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while (getline(ss, field, ',')) {
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float value = std::stof(field);
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values[col].push_back(value);
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col++;
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}
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}
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file.close();
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TableAxisPtr time_axis = make_shared<TableAxis>(TableAxisVariable::time,
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new FloatSeq(values[0]));
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for (size_t var = 1; var < values.size(); var++)
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waveforms.emplace_back(new FloatSeq(values[var]), time_axis);
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}
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else
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throw FileNotReadable(csv_filename);
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}
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} // namespace
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