1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
#include "magnum-vector2i.hpp"
#include "compat/exception.hpp"
#include <nlohmann/json.hpp>
using namespace floormat;
void floormat::Serialize::throw_failed_to_parse_vector2(const std::string& str)
{
fm_throw("failed to parse Vector2 '{}'"_cf, str);
}
void floormat::Serialize::throw_vector2_overflow(const std::string& str)
{
fm_throw("numeric overflow in Vector2 '{}'"_cf, str);
}
using namespace nlohmann;
template<typename T>
requires std::is_integral_v<T>
void nlohmann::adl_serializer<Magnum::Math::Vector2<T>>::to_json(json& j, const Magnum::Math::Vector2<T>& val)
{
char buf[64];
using type = std::conditional_t<std::is_signed_v<T>, intmax_t, uintmax_t>;
constexpr auto format_string = std::is_signed_v<T> ? "%jd x %jd" : "%ju x %ju";
snprintf(buf, sizeof(buf), format_string, (type)val[0], (type)val[1]);
j = buf;
}
template<typename T>
requires std::is_integral_v<T>
void nlohmann::adl_serializer<Magnum::Math::Vector2<T>>::from_json(const json& j, Magnum::Math::Vector2<T>& val)
{
using namespace floormat;
std::string str = j;
using type = std::conditional_t<std::is_signed_v<T>, intmax_t, uintmax_t>;
constexpr auto format_string = std::is_signed_v<T> ? "%jd x %jd%n" : "%ju x %ju%n";
type x = 0, y = 0;
int n = 0;
int ret = std::sscanf(str.data(), format_string, &x, &y, &n);
if (ret != 2 || (size_t)n != str.size() || x != (T)x || y != (T)y)
floormat::Serialize::throw_failed_to_parse_vector2(str);
if constexpr(sizeof(T) < sizeof(type))
if (x != (type)(T)x || y != (type)(T)y)
floormat::Serialize::throw_vector2_overflow(str);
val = { (T)x, (T)y };
}
template struct nlohmann::adl_serializer<Magnum::Math::Vector2<uint8_t>>;
template struct nlohmann::adl_serializer<Magnum::Math::Vector2<uint16_t>>;
template struct nlohmann::adl_serializer<Magnum::Math::Vector2<uint32_t>>;
template struct nlohmann::adl_serializer<Magnum::Math::Vector2<uint64_t>>;
template struct nlohmann::adl_serializer<Magnum::Math::Vector2<int8_t>>;
template struct nlohmann::adl_serializer<Magnum::Math::Vector2<int16_t>>;
template struct nlohmann::adl_serializer<Magnum::Math::Vector2<int32_t>>;
template struct nlohmann::adl_serializer<Magnum::Math::Vector2<int64_t>>;
|