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
|
// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
// Licensed under the Apache License, Version 2.0 (see LICENSE file)
// Official repository: https://github.com/nekernel-org/nekernel
#ifndef NEKIT_VARIANT_H
#define NEKIT_VARIANT_H
#include <NeKit/Config.h>
#include <NeKit/Json.h>
#include <NeKit/KString.h>
#include <NeKit/TOML.h>
#include <SwapKit/DiskSwap.h>
namespace Kernel {
class Variant final {
public:
enum struct VariantKind : Int {
kInvalid = 0,
kString = 200,
kBlob,
kNull,
kJson,
kTOML,
kSwap,
kCount = kSwap - kString + 1,
};
public:
explicit Variant() = delete;
public:
NE_COPY_DEFAULT(Variant)
~Variant() = default;
public:
template <typename CharKind>
explicit Variant(KBasicString<CharKind>* stringView)
: fPtr((VoidPtr) stringView), fKind(VariantKind::kString) {}
explicit Variant(JsonObject<>* json) : fPtr((VoidPtr) json), fKind(VariantKind::kJson) {}
explicit Variant(TOMLObject* toml) : fPtr((VoidPtr) toml), fKind(VariantKind::kTOML) {}
explicit Variant(nullPtr ptr) : fPtr(ptr), fKind(VariantKind::kNull) {}
explicit Variant(SwapDiskHdr* ptr) : fPtr(ptr), fKind(VariantKind::kSwap) {}
explicit Variant(VoidPtr ptr) : fPtr(ptr), fKind(VariantKind::kBlob) {}
public:
KString ToString();
/// ========================================================================
/// @brief Returns the underlying pointer.
/// @return the underlying pointer as a reference.
/// ========================================================================
RefAny Leak();
template <typename T>
T* As();
VariantKind& Kind();
private:
VoidPtr fPtr{nullptr};
VariantKind fKind{VariantKind::kNull};
};
} // namespace Kernel
#include "Variant.inl"
#endif
|
