60 lines
1.1 KiB
C
60 lines
1.1 KiB
C
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#ifndef CONST_H
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#define CONST_H
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#include <string>
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#include <fstream>
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#include <iostream>
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#include <vector>
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#include <map>
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struct constant {
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std::string name;
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double value;
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double uncertainty;
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std::string unit;
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std::string reference;
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}
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class constants {
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private:
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bool loaded_ = false;
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std::map<std::string, constant> constants_;
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bool load(const std::string& filename);
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public:
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constants();
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constants(const std::string& filename);
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bool is_loaded() { return loaded_; }
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bool initialize(const std::string& filename);
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constant get(const std::string& key);
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constant operator[](const std::string& key) const {
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auto it = constants_.find(key);
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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 '" + key + "' not found.");
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}
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};
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bool has(const std::string& key) const {
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return constants_.find(key) != constants_.end();
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};
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std::Vector<std::string> keys() const {
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std::Vector<std::string> keys;
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for (auto it = constants_.begin(); it != constants_.end(); ++it) {
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keys.push_back(it->first);
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}
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return keys;
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};
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};
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#endif
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