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#pragma once
#include <compare>
#include <iosfwd>
#include <string>
#include <string_view>
#include <type_traits>
#include <utility>
#include <variant>
namespace IceSpider {
class MaybeString {
public:
MaybeString() = default;
// cppcheck-suppress noExplicitConstructor; NOLINTNEXTLINE(hicpp-explicit-conversions)
inline MaybeString(std::string s) : value_ {std::move(s)} { }
// cppcheck-suppress noExplicitConstructor; NOLINTNEXTLINE(hicpp-explicit-conversions)
inline MaybeString(std::string_view s) : value_ {s} { }
// NOLINTNEXTLINE(hicpp-explicit-conversions)
[[nodiscard]] inline operator std::string_view() const
{
if (value_.index() == 0) {
return std::get<0>(value_);
}
return std::get<1>(value_);
}
[[nodiscard]] inline std::string_view
value() const
{
return *this;
}
[[nodiscard]] inline bool
isString() const
{
return value_.index() > 0;
}
[[nodiscard]] inline bool
operator<(const MaybeString & o) const
{
return value() < o.value();
}
[[nodiscard]] inline bool
operator<(const std::string_view o) const
{
return value() < o;
}
private:
using value_type = std::variant<std::string_view, std::string>;
value_type value_;
};
};
namespace std {
inline std::ostream &
operator<<(std::ostream & s, const IceSpider::MaybeString & ms)
{
return s << ms.value();
}
}
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