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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
#include "binary-reader.inl"
#include "binary-writer.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
[[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>();
r.assert_end();
return x.bytes[0] == 1 && x.bytes[1] == 0 && x.bytes[2] == 1 && x.bytes[3] == 0;
}
static_assert(test2());
using test3 = binary_reader<std::array<char, 1>::iterator>;
static_assert(std::is_same_v<test3&, decltype( std::declval<test3&>() >> std::declval<int&>() )>);
using test4 = binary_writer<std::array<char, sizeof(int)>::iterator>;
static_assert(std::is_same_v<test4&, decltype( std::declval<test4&>() << int() )>);
[[maybe_unused]]
static constexpr bool test5()
{
std::array<char, 4> bytes = {};
auto w = binary_writer(bytes.begin());
w << (char)0;
w << (char)1;
w << (char)2;
w << (char)3;
return bytes[0] == 0 && bytes[1] == 1 && bytes[2] == 2 && bytes[3] == 3;
}
static_assert(test5());
} // namespace floormat::Serialize
|
