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#ifndef WANDA_VARIANT_HPP
#define WANDA_VARIANT_HPP
#include <gio/gio.h>
#include <optional>
#include <string>
#include <type_traits>
namespace wanda {
struct variant {
explicit variant(GVariant * variant);
~variant();
template<typename Type> std::optional<Type> get() const {
if(!m_value) {
return std::nullopt;
}
if constexpr(std::is_same_v<Type, bool>) {
if(is_of_type(G_VARIANT_TYPE_BOOLEAN)) {
return static_cast<bool>(g_variant_get_boolean(m_value));
}
} else if constexpr(std::is_same_v<Type, std::string>) {
if(is_of_type(G_VARIANT_TYPE_STRING)) {
auto length = gsize{};
auto value = g_variant_get_string(m_value, &length);
return std::string(value, static_cast<std::size_t>(length));
}
}
return std::nullopt;
}
private:
bool is_of_type(GVariantType const * const type) const;
GVariant * const m_value;
};
}
#endif
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