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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <wtf/Vector.h>
namespace IPC {
template <typename... Types> class ArrayReferenceTuple;
template<typename T0, typename T1>
class ArrayReferenceTuple<T0, T1> {
public:
ArrayReferenceTuple() = default;
ArrayReferenceTuple(const T0* data0, const T1* data1, size_t size)
: m_size(size)
, m_data0(size ? data0 : nullptr)
, m_data1(size ? data1 : nullptr)
{
}
bool isEmpty() const { return !m_size; }
size_t size() const { return m_size; }
template<int I>
auto data() const
{
if constexpr(I)
return m_data1;
else if constexpr(!I)
return m_data0;
}
private:
size_t m_size { 0 };
const T0* m_data0 { nullptr };
const T1* m_data1 { nullptr };
};
template<typename T0, typename T1, typename T2>
class ArrayReferenceTuple<T0, T1, T2> : public ArrayReferenceTuple<T0, T1> {
public:
ArrayReferenceTuple() = default;
ArrayReferenceTuple(const T0* data0, const T1* data1, const T2* data2, size_t size)
: ArrayReferenceTuple<T0, T1>(data0, data1, size)
, m_data2(size ? data2 : nullptr)
{
}
template<int I>
auto data() const
{
if constexpr(I == 2)
return m_data2;
else
return ArrayReferenceTuple<T0, T1>::template data<I>();
}
private:
const T2* m_data2 { nullptr };
};
template<typename T0, typename T1, typename T2, typename T3>
class ArrayReferenceTuple<T0, T1, T2, T3> : public ArrayReferenceTuple<T0, T1, T2> {
public:
ArrayReferenceTuple() = default;
ArrayReferenceTuple(const T0* data0, const T1* data1, const T2* data2, const T3* data3, size_t size)
: ArrayReferenceTuple<T0, T1, T2>(data0, data1, data2, size)
, m_data3(size ? data3 : nullptr)
{
}
template<int I>
auto data() const
{
if constexpr(I == 3)
return m_data3;
else
return ArrayReferenceTuple<T0, T1, T2>::template data<I>();
}
private:
const T3* m_data3 { nullptr };
};
template<typename T0, typename T1, typename T2, typename T3, typename T4>
class ArrayReferenceTuple<T0, T1, T2, T3, T4> : public ArrayReferenceTuple<T0, T1, T2, T3> {
public:
ArrayReferenceTuple() = default;
ArrayReferenceTuple(const T0* data0, const T1* data1, const T2* data2, const T3* data3, const T4* data4, size_t size)
: ArrayReferenceTuple<T0, T1, T2, T3>(data0, data1, data2, data3, size)
, m_data4(size ? data4 : nullptr)
{
}
template<int I>
auto data() const
{
if constexpr(I == 4)
return m_data4;
else
return ArrayReferenceTuple<T0, T1, T2, T3>::template data<I>();
}
private:
const T4* m_data4 { nullptr };
};
template<typename T0, typename T1>
ArrayReferenceTuple(const T0*, const T1*, size_t) -> ArrayReferenceTuple<T0, T1>;
template<typename T0, typename T1, typename T2>
ArrayReferenceTuple(const T0*, const T1*, const T2*, size_t) -> ArrayReferenceTuple<T0, T1, T2>;
template<typename T0, typename T1, typename T2, typename T3>
ArrayReferenceTuple(const T0*, const T1*, const T2*, const T3*, size_t) -> ArrayReferenceTuple<T0, T1, T2, T3>;
template<typename T0, typename T1, typename T2, typename T3, typename T4>
ArrayReferenceTuple(const T0*, const T1*, const T2*, const T3*, const T4*, size_t) -> ArrayReferenceTuple<T0, T1, T2, T3, T4>;
}
|
