125 lines
4.2 KiB
C++
125 lines
4.2 KiB
C++
/* ***********************************************************************
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//
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// Copyright (C) 2025 -- The 4D-STAR Collaboration
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// File Author: Emily Boudreaux
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// Last Modified: February 12, 2025
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//
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// 4DSSE is free software; you can use it and/or modify
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// it under the terms and restrictions the GNU General Library Public
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// License version 3 (GPLv3) as published by the Free Software Foundation.
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//
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// 4DSSE 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.
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// See the GNU Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public License
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// along with this software; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// *********************************************************************** */
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#include <iostream>
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#include <map>
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#include <vector>
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#include <string>
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#include <fstream>
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#include <sstream>
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#include <set>
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#include "const.h"
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#include "embedded_constants.h" // Generated at build time by meson
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Constants::Constants() {
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loaded_ = initialize();
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}
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bool Constants::initialize() {
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return load();
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}
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Constant Constants::get(const std::string& name) const {
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auto it = constants_.find(name);
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if (it != constants_.end()) {
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return it->second;
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} else {
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throw std::out_of_range("Constant '" + name + "' not found.");
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}
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}
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Constant Constants::operator[](const std::string& name) const {
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return this->get(name);
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}
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bool Constants::has(const std::string& name) const {
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return constants_.find(name) != constants_.end();
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}
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std::set<std::string> Constants::keys() const {
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std::set<std::string> keys;
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for (const auto& pair : constants_) {
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keys.insert(pair.first);
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}
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return keys;
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}
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std::string Constants::trim(const std::string& str) {
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size_t first = str.find_first_not_of(" \t");
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if (first == std::string::npos) return "";
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size_t last = str.find_last_not_of(" \t");
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return str.substr(first, last - first + 1);
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}
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bool Constants::load() {
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std::istringstream fileStream(embeddedConstants);
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std::string line;
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bool data_section = false;
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int line_count = 0;
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while (std::getline(fileStream, line)) {
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line_count++;
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// Detect start of data section (double divider line)
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if (!data_section) {
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if (line.find("Symbol") != std::string::npos) { // Find header row
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std::getline(fileStream, line); // Skip dashed divider
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std::getline(fileStream, line); // Skip second dashed divider
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data_section = true;
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}
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continue;
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}
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// Ensure the line is long enough to contain all fields
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if (line.length() < 125) continue;
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// Define exact column widths from Python script
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int start = 0;
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const std::string symbol = trim(line.substr(start, col_widths_[0])); start += col_widths_[0];
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const std::string name = trim(line.substr(start, col_widths_[1])); start += col_widths_[1];
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const std::string valueStr = line.substr(start, col_widths_[2]); start += col_widths_[2];
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const std::string unit = trim(line.substr(start, col_widths_[3])); start += col_widths_[3]; // Only trim the unit
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const std::string uncertaintyStr = line.substr(start, col_widths_[4]); start += col_widths_[4];
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const std::string reference = trim(line.substr(start, col_widths_[5])); // Only trim reference
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// Convert numerical fields safely
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double value = 0.0, uncertainty = 0.0;
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try {
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value = std::stod(valueStr);
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} catch (...) {
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std::cerr << "Warning: Invalid value in line " << line_count << ": " << valueStr << std::endl;
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}
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try {
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uncertainty = std::stod(uncertaintyStr);
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} catch (...) {
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std::cerr << "Warning: Invalid uncertainty in line " << line_count << ": " << uncertaintyStr << std::endl;
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}
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// Store in map
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constants_.emplace(symbol, Constant{name, value, uncertainty, unit, reference});
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}
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loaded_ = true;
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return true;
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}
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