File: adaptive-array.hpp

package info (click to toggle)
ares 126-3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 32,600 kB
  • sloc: cpp: 356,508; ansic: 20,394; makefile: 16; sh: 2
file content (64 lines) | stat: -rw-r--r-- 1,233 bytes parent folder | download
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
//deprecated

#pragma once

#include <nall/range.hpp>
#include <nall/traits.hpp>

namespace nall {

template<typename T, u32 Capacity>
struct adaptive_array {
  auto capacity() const -> u32 { return Capacity; }
  auto size() const -> u32 { return _size; }

  auto reset() -> void {
    for(u32 n : range(_size)) _pool.t[n].~T();
    _size = 0;
  }

  auto operator[](u32 index) -> T& {
    #ifdef DEBUG
    struct out_of_bounds {};
    if(index >= Capacity) throw out_of_bounds{};
    #endif
    return _pool.t[index];
  }

  auto operator[](u32 index) const -> const T& {
    #ifdef DEBUG
    struct out_of_bounds {};
    if(index >= Capacity) throw out_of_bounds{};
    #endif
    return _pool.t[index];
  }

  auto append() -> T& {
    new(_pool.t + _size) T;
    return _pool.t[_size++];
  }

  auto append(const T& value) -> void {
    new(_pool.t + _size++) T(value);
  }

  auto append(T&& value) -> void {
    new(_pool.t + _size++) T(move(value));
  }

  auto begin() { return &_pool.t[0]; }
  auto end() { return &_pool.t[_size]; }

  auto begin() const { return &_pool.t[0]; }
  auto end() const { return &_pool.t[_size]; }

private:
  union U {
    U() {}
    ~U() {}
    T t[Capacity];
  } _pool;
  u32 _size = 0;
};

}