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#include "binary-serializer.inl"
#include <array>
namespace floormat::Serialize {
#if 0
template<std::size_t N>
struct byte_array_iterator final
{
using iterator_category = std::forward_iterator_tag;
using difference_type = std::ptrdiff_t;
using value_type = char;
using pointer = char*;
using reference = char&;
constexpr byte_array_iterator(char (&buf)[N]) : buf{&buf}, i{0} {}
constexpr byte_array_iterator(char (&buf)[N], std::size_t i) : buf{&buf}, i{i} {}
constexpr reference operator*() const { fm_assert(i < N); return (*buf)[i]; }
constexpr pointer operator->() { fm_assert(i < N); return &(*buf)[i]; }
constexpr byte_array_iterator<N>& operator++() noexcept { i++; return *this; }
constexpr byte_array_iterator<N> operator++(int) noexcept { byte_array_iterator<N> tmp = *this; ++(*this); return tmp; }
friend constexpr bool operator==(const byte_array_iterator<N>&& a, const byte_array_iterator<N>&& b) noexcept = default;
private:
char (*buf)[N];
std::size_t i;
};
template struct byte_array_iterator<sizeof(double)>;
#endif
struct value_buf final {
value_u value;
std::int8_t len;
explicit constexpr value_buf(value_u value, std::int8_t len) : value{value}, len{len} {}
constexpr bool operator==(const value_buf& o) const noexcept;
fm_DECLARE_DEFAULT_MOVE_ASSIGNMENT_(value_buf);
fm_DECLARE_DEFAULT_COPY_ASSIGNMENT(value_buf);
};
constexpr bool value_buf::operator==(const value_buf& o) const noexcept
{
const auto N = len;
if (N != o.len)
return false;
for (std::int8_t i = 0; i < N; i++)
if (value.bytes[i] != o.value.bytes[i])
return false;
return true;
}
[[maybe_unused]]
static constexpr bool test1()
{
constexpr std::array<char, 4> bytes = { 1, 0, 1, 0 };
auto x = binary_reader(bytes.cbegin(), bytes.cend());
return x.read_u<unsigned char>().bytes[0] == 1 &&
x.read_u<unsigned char>().bytes[0] == 0 &&
x.read_u<unsigned char>().bytes[0] == 1 &&
x.read_u<unsigned char>().bytes[0] == 0;
}
static_assert(test1());
[[maybe_unused]]
static constexpr bool test2()
{
constexpr std::array<char, 4> bytes = { 1, 0, 1, 0 };
auto r = binary_reader(bytes.cbegin(), bytes.cend());
const auto x = r.read_u<int>();
return x.bytes[0] == 1 && x.bytes[1] == 0 && x.bytes[2] == 1 && x.bytes[3] == 0;
}
static_assert(test2());
template<typename T>
[[maybe_unused]] static constexpr T maybe_byteswap(T x)
{
if constexpr(std::endian::native == std::endian::big)
return std::byteswap(x);
else
return x;
}
} // namespace floormat::Serialize
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