37 lines
838 B
C++
37 lines
838 B
C++
#pragma once
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namespace config
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{
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typedef nlohmann::json::value_t field_type;
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typedef nlohmann::json field_value;
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nlohmann::json read_config();
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void write_config(const nlohmann::json& json);
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nlohmann::json validate_config_field(const std::string& key, const field_value& value);
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nlohmann::json get_default_value(const std::string& key);
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template <typename T>
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std::optional<T> get(const std::string& key)
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{
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const auto cfg = read_config();
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if (!cfg.is_object() || !cfg.contains(key))
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{
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return {};
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}
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const auto value = validate_config_field(key, cfg[key]);
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return {value.get<T>()};
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}
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nlohmann::json get_raw(const std::string& key);
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template <typename T>
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void set(const std::string& key, const T& value)
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{
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auto cfg = read_config();
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cfg[key] = validate_config_field(key, value);
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write_config(cfg);
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}
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}
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