ObjectView.hpp

#pragma once
 
#include "util/config/ValueView.hpp"
 
#include <cstddef>
#include <functional>
#include <optional>
#include <string>
#include <string_view>
 
namespace util::config {
 
class ClioConfigDefinition;
class ArrayView;

class ObjectView {
public:
    ObjectView(std::string_view prefix, ClioConfigDefinition const& clioConfig);

    ObjectView(
        std::string_view prefix,
        std::size_t arrayIndex,
        ClioConfigDefinition const& clioConfig
    );

    [[nodiscard]] bool
    containsKey(std::string_view key) const;

    [[nodiscard]] ValueView
    getValueView(std::string_view key) const;

    template <typename T>
    T
    get(std::string_view key) const
    {
        return getValueView(key).getValueImpl<T>();
    }

    template <typename T>
    std::optional<T>
    maybeValue(std::string_view key) const
    {
        return getValueView(key).asOptional<T>();
    }

    [[nodiscard]] ObjectView
    getObject(std::string_view key) const;

    [[nodiscard]] ArrayView
    getArray(std::string_view key) const;
 
private:
    [[nodiscard]] std::string
    getFullKey(std::string_view key) const;

    [[nodiscard]] bool
    startsWithKey(std::string_view key) const;
 
    std::string prefix_;
    std::optional<size_t> arrayIndex_;
    std::reference_wrapper<ClioConfigDefinition const> clioConfig_;
};
 
}  // namespace util::config