Array.hpp

#pragma once
 
#include "util/config/ConfigValue.hpp"
#include "util/config/Error.hpp"
#include "util/config/Types.hpp"
 
#include <cstddef>
#include <optional>
#include <ostream>
#include <string_view>
#include <vector>
 
namespace util::config {

class Array {
public:
    Array(ConfigValue arg);

    static std::string_view
    prefix(std::string_view key);

    [[nodiscard]] std::optional<Error>
    addValue(Value value, std::optional<std::string_view> key = std::nullopt);

    [[nodiscard]] std::optional<Error>
    addNull(std::optional<std::string_view> key = std::nullopt);

    [[nodiscard]] size_t
    size() const;

    [[nodiscard]] ConfigValue const&
    at(std::size_t idx) const;

    [[nodiscard]] ConfigValue const&
    getArrayPattern() const;

    [[nodiscard]] std::vector<ConfigValue>::const_iterator
    begin() const;

    [[nodiscard]] std::vector<ConfigValue>::const_iterator
    end() const;
 
private:
    ConfigValue itemPattern_;
    std::vector<ConfigValue> elements_;
};

inline std::ostream&
operator<<(std::ostream& stream, Array arr)
{
    stream << arr.getArrayPattern();
    return stream;
}
 
}  // namespace util::config