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
77
78
79
80
81
82
83
84
85
86
87
88
89
|
#pragma once
#include <nall/array-span.hpp>
#include <nall/array-view.hpp>
#include <nall/range.hpp>
#include <nall/view.hpp>
namespace nall {
template<typename T> struct array;
//usage: s32 x[256] => array<s32[256]> x
template<typename T, u32 Size> struct array<T[Size]> {
array() = default;
array(const initializer_list<T>& source) {
u32 index = 0;
for(auto& value : source) {
operator[](index++) = value;
}
}
operator array_span<T>() {
return {data(), size()};
}
operator array_view<T>() const {
return {data(), size()};
}
alwaysinline auto operator[](u32 index) -> T& {
#ifdef DEBUG
struct out_of_bounds {};
if(index >= Size) throw out_of_bounds{};
#endif
return values[index];
}
alwaysinline auto operator[](u32 index) const -> const T& {
#ifdef DEBUG
struct out_of_bounds {};
if(index >= Size) throw out_of_bounds{};
#endif
return values[index];
}
alwaysinline auto operator()(u32 index, const T& fallback = {}) const -> const T& {
if(index >= Size) return fallback;
return values[index];
}
auto fill(const T& fill = {}) -> array& {
for(auto& value : values) value = fill;
return *this;
}
auto data() -> T* { return values; }
auto data() const -> const T* { return values; }
auto size() const -> u32 { return Size; }
auto begin() -> T* { return &values[0]; }
auto end() -> T* { return &values[Size]; }
auto begin() const -> const T* { return &values[0]; }
auto end() const -> const T* { return &values[Size]; }
private:
T values[Size];
};
template<typename T, T... p> inline auto from_array(u32 index) -> T {
static const array<T[sizeof...(p)]> table{p...};
struct out_of_bounds {};
#if defined(DEBUG)
if(index >= sizeof...(p)) throw out_of_bounds{};
#endif
return table[index];
}
template<s64... p> inline auto from_array(u32 index) -> s64 {
static const array<s64[sizeof...(p)]> table{p...};
struct out_of_bounds {};
#if defined(DEBUG)
if(index >= sizeof...(p)) throw out_of_bounds{};
#endif
return table[index];
}
}
|
