json_helper.h

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#ifndef JSON_HELPER_H
#define JSON_HELPER_H
 
#include <string>
#include <memory>
#include <unordered_map>
#include <vector>
 
namespace mazes
{
    class json_helper
    {
    public:
        explicit json_helper();
 
        ~json_helper();
 
        // Copy constructor
        json_helper(const json_helper& other);
 
        // Copy assignment operator
        json_helper& operator=(const json_helper& other);
 
        // Move constructor
        json_helper(json_helper&& other) noexcept = default;
 
        // Move assignment operator
        json_helper& operator=(json_helper&& other) noexcept = default;
 
        static std::string from(const std::unordered_map<std::string, std::string>& map,
                                int pretty_print = 4) noexcept;
 
        static std::string from(const std::vector<std::unordered_map<std::string, std::string>>& arr,
                                int pretty_print = 4) noexcept;
 
        static bool from(const std::string& s, std::unordered_map<std::string, std::string>& m) noexcept;
 
        static bool load(const std::string& filename, std::unordered_map<std::string, std::string>& m) noexcept;
 
        static bool from_array(const std::string& s,
                               std::vector<std::unordered_map<std::string, std::string>>& vm) noexcept;
 
        static bool load_array(const std::string& filename,
                               std::vector<std::unordered_map<std::string, std::string>>& vm) noexcept;
 
    private:
        class json_helper_impl;
        std::unique_ptr<json_helper_impl> impl;
    };
} // namespace mazes
 
#endif // JSON_HELPER_H