1/**
2 * Copyright (c) 2006-2023 LOVE Development Team
3 *
4 * This software is provided 'as-is', without any express or implied
5 * warranty. In no event will the authors be held liable for any damages
6 * arising from the use of this software.
7 *
8 * Permission is granted to anyone to use this software for any purpose,
9 * including commercial applications, and to alter it and redistribute it
10 * freely, subject to the following restrictions:
11 *
12 * 1. The origin of this software must not be misrepresented; you must not
13 * claim that you wrote the original software. If you use this software
14 * in a product, an acknowledgment in the product documentation would be
15 * appreciated but is not required.
16 * 2. Altered source versions must be plainly marked as such, and must not be
17 * misrepresented as being the original software.
18 * 3. This notice may not be removed or altered from any source distribution.
19 **/
20
21#ifndef LOVE_TYPES_H
22#define LOVE_TYPES_H
23
24#include "int.h"
25
26// STD
27#include <bitset>
28#include <vector>
29
30namespace love
31{
32
33class Type
34{
35public:
36 static const uint32 MAX_TYPES = 128;
37
38 Type(const char *name, Type *parent);
39 Type(const Type&) = delete;
40
41 static Type *byName(const char *name);
42
43 void init();
44 uint32 getId();
45 const char *getName() const;
46
47 bool isa(const uint32 &other)
48 {
49 if (!inited)
50 init();
51 return bits[other];
52 }
53
54 bool isa(const Type &other)
55 {
56 if (!inited)
57 init();
58 // Note that if this type implements the other
59 // calling init above will also have inited
60 // the other.
61 return bits[other.id];
62 }
63
64private:
65 const char * const name;
66 Type * const parent;
67 uint32 id;
68 bool inited;
69 std::bitset<MAX_TYPES> bits;
70};
71
72} // love
73
74#endif // LOVE_TYPES_H
75