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
|
// ArduinoJson - https://arduinojson.org
// Copyright Benoit Blanchon 2014-2021
// MIT License
#pragma once
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wconversion"
#elif defined(__GNUC__)
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
#pragma GCC diagnostic push
#endif
#pragma GCC diagnostic ignored "-Wconversion"
#endif
#include "lib/ArduinoJson/Numbers/Float.hpp"
#include "lib/ArduinoJson/Polyfills/limits.hpp"
#include "lib/ArduinoJson/Polyfills/type_traits.hpp"
namespace ARDUINOJSON_NAMESPACE {
// uint32 -> int32
// uint64 -> int32
template <typename TOut, typename TIn>
typename enable_if<is_integral<TIn>::value && is_unsigned<TIn>::value &&
is_integral<TOut>::value && sizeof(TOut) <= sizeof(TIn),
bool>::type
canConvertNumber(TIn value) {
return value <= TIn(numeric_limits<TOut>::highest());
}
// uint32 -> int64
template <typename TOut, typename TIn>
typename enable_if<is_integral<TIn>::value && is_unsigned<TIn>::value &&
is_integral<TOut>::value && sizeof(TIn) < sizeof(TOut),
bool>::type
canConvertNumber(TIn) {
return true;
}
// uint32 -> float
// int32 -> float
template <typename TOut, typename TIn>
typename enable_if<is_integral<TIn>::value && is_floating_point<TOut>::value,
bool>::type
canConvertNumber(TIn) {
return true;
}
// int64 -> int32
template <typename TOut, typename TIn>
typename enable_if<is_integral<TIn>::value && is_signed<TIn>::value &&
is_integral<TOut>::value && is_signed<TOut>::value &&
sizeof(TOut) < sizeof(TIn),
bool>::type
canConvertNumber(TIn value) {
return value >= TIn(numeric_limits<TOut>::lowest()) &&
value <= TIn(numeric_limits<TOut>::highest());
}
// int32 -> int32
// int32 -> int64
template <typename TOut, typename TIn>
typename enable_if<is_integral<TIn>::value && is_signed<TIn>::value &&
is_integral<TOut>::value && is_signed<TOut>::value &&
sizeof(TIn) <= sizeof(TOut),
bool>::type
canConvertNumber(TIn) {
return true;
}
// int32 -> uint32
template <typename TOut, typename TIn>
typename enable_if<is_integral<TIn>::value && is_signed<TIn>::value &&
is_integral<TOut>::value && is_unsigned<TOut>::value,
bool>::type
canConvertNumber(TIn value) {
if (value < 0)
return false;
return value <= TIn(numeric_limits<TOut>::highest());
}
// float -> int32
// float -> int64
template <typename TOut, typename TIn>
typename enable_if<is_floating_point<TIn>::value &&
!is_floating_point<TOut>::value,
bool>::type
canConvertNumber(TIn value) {
return value >= numeric_limits<TOut>::lowest() &&
value <= numeric_limits<TOut>::highest();
}
template <typename TOut, typename TIn>
TOut convertNumber(TIn value) {
return canConvertNumber<TOut>(value) ? TOut(value) : 0;
}
} // namespace ARDUINOJSON_NAMESPACE
#if defined(__clang__)
#pragma clang diagnostic pop
#elif defined(__GNUC__)
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
#pragma GCC diagnostic pop
#endif
#endif
|
