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#ifndef OPENMW_COMPONENTS_SERIALIZATION_SIZEACCUMULATOR_H
#define OPENMW_COMPONENTS_SERIALIZATION_SIZEACCUMULATOR_H
#include <cstddef>
#include <type_traits>
namespace Serialization
{
class SizeAccumulator
{
public:
SizeAccumulator() = default;
SizeAccumulator(const SizeAccumulator&) = delete;
std::size_t value() const { return mValue; }
template <class Format, class T>
void operator()(Format&& format, const T& value)
{
if constexpr (std::is_arithmetic_v<T> || std::is_enum_v<T>)
mValue += sizeof(T);
else
format(*this, value);
}
template <class Format, class T>
auto operator()(Format&& format, const T* data, std::size_t count)
{
if constexpr (std::is_arithmetic_v<T> || std::is_enum_v<T>)
mValue += count * sizeof(T);
else
format(*this, data, count);
}
private:
std::size_t mValue = 0;
};
}
#endif
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