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| 1 | +#ifndef XAMID_HELPER_VERSION_H |
| 2 | +#define XAMID_HELPER_VERSION_H |
| 3 | + |
| 4 | +#include <array> |
| 5 | +#include <cstddef> |
| 6 | +#include <cstdint> |
| 7 | +#include <type_traits> |
| 8 | +#include <utility> |
| 9 | + |
| 10 | +#define TOOL_NAME "pmGenerator" |
| 11 | +#define TOOL_REPOSITORY "https://github.com/xamidi/pmGenerator" |
| 12 | +#define TOOL_VERSION_MAJOR 1 |
| 13 | +#define TOOL_VERSION_MINOR 1 |
| 14 | +#define TOOL_VERSION_PATCH 1 |
| 15 | +#define TOOL_VERSION_SPEC "1.1.1" |
| 16 | +#define TOOL_VERSION_BRANCH "master" |
| 17 | + |
| 18 | +#define BUILD_YEAR \ |
| 19 | + ( \ |
| 20 | + (__DATE__[ 7] >= '0' && __DATE__[ 7] <= '9' && \ |
| 21 | + __DATE__[ 8] >= '0' && __DATE__[ 8] <= '9' && \ |
| 22 | + __DATE__[ 9] >= '0' && __DATE__[ 9] <= '9' && \ |
| 23 | + __DATE__[10] >= '0' && __DATE__[10] <= '9') ? \ |
| 24 | + (__DATE__[7] - '0') * 1000 + (__DATE__[8] - '0') * 100 + (__DATE__[9] - '0') * 10 + __DATE__[10] - '0' : UINT32_MAX \ |
| 25 | + ) |
| 26 | +static_assert(BUILD_YEAR != UINT32_MAX, "indeterminate build year"); |
| 27 | + |
| 28 | +#define BUILD_MONTH \ |
| 29 | + ( \ |
| 30 | + (__DATE__[0] == 'J' && __DATE__[1] == 'a' && __DATE__[2] == 'n') ? 1 : \ |
| 31 | + (__DATE__[0] == 'F') ? 2 : \ |
| 32 | + (__DATE__[0] == 'M' && __DATE__[1] == 'a' && __DATE__[2] == 'r') ? 3 : \ |
| 33 | + (__DATE__[0] == 'A' && __DATE__[1] == 'p') ? 4 : \ |
| 34 | + (__DATE__[0] == 'M' && __DATE__[1] == 'a' && __DATE__[2] == 'y') ? 5 : \ |
| 35 | + (__DATE__[0] == 'J' && __DATE__[1] == 'u' && __DATE__[2] == 'n') ? 6 : \ |
| 36 | + (__DATE__[0] == 'J' && __DATE__[1] == 'u' && __DATE__[2] == 'l') ? 7 : \ |
| 37 | + (__DATE__[0] == 'A' && __DATE__[1] == 'u') ? 8 : \ |
| 38 | + (__DATE__[0] == 'S') ? 9 : \ |
| 39 | + (__DATE__[0] == 'O') ? 10 : \ |
| 40 | + (__DATE__[0] == 'N') ? 11 : \ |
| 41 | + (__DATE__[0] == 'D') ? 12 : \ |
| 42 | + UINT32_MAX \ |
| 43 | + ) |
| 44 | +static_assert(BUILD_MONTH != UINT32_MAX, "indeterminate build month"); |
| 45 | + |
| 46 | +#define BUILD_DAY \ |
| 47 | + ( \ |
| 48 | + (__DATE__[4] >= '0' && __DATE__[4] <= '9' && \ |
| 49 | + __DATE__[5] >= '0' && __DATE__[5] <= '9') ? \ |
| 50 | + (__DATE__[4] - '0') * 10 + __DATE__[5] - '0' : UINT32_MAX \ |
| 51 | + ) |
| 52 | +static_assert(BUILD_DAY != UINT32_MAX, "indeterminate build day"); |
| 53 | + |
| 54 | +#define BUILD_HOUR \ |
| 55 | + ( \ |
| 56 | + (__TIME__[0] >= '0' && __TIME__[0] <= '9' && \ |
| 57 | + __TIME__[1] >= '0' && __TIME__[1] <= '9') ? \ |
| 58 | + (__TIME__[0] - '0') * 10 + __TIME__[1] - '0' : UINT32_MAX \ |
| 59 | + ) |
| 60 | +static_assert(BUILD_HOUR != UINT32_MAX, "indeterminate build hour"); |
| 61 | + |
| 62 | +#define BUILD_MINUTE \ |
| 63 | + ( \ |
| 64 | + (__TIME__[3] >= '0' && __TIME__[3] <= '9' && \ |
| 65 | + __TIME__[4] >= '0' && __TIME__[4] <= '9') ? \ |
| 66 | + (__TIME__[3] - '0') * 10 + __TIME__[4] - '0' : UINT32_MAX \ |
| 67 | + ) |
| 68 | +static_assert(BUILD_MINUTE != UINT32_MAX, "indeterminate build minute"); |
| 69 | + |
| 70 | +#define BUILD_SECOND \ |
| 71 | + ( \ |
| 72 | + (__TIME__[6] >= '0' && __TIME__[6] <= '9' && \ |
| 73 | + __TIME__[7] >= '0' && __TIME__[7] <= '9') ? \ |
| 74 | + (__TIME__[6] - '0') * 10 + __TIME__[7] - '0' : UINT32_MAX \ |
| 75 | + ) |
| 76 | +static_assert(BUILD_SECOND != UINT32_MAX, "indeterminate build second"); |
| 77 | + |
| 78 | +namespace xamid { |
| 79 | +namespace helper { |
| 80 | + |
| 81 | +// Functional programming with templates to obtain constexpr char arrays |
| 82 | +template<std::uint8_t ... Digits> constexpr std::array<char, sizeof...(Digits) + 1> num_array_string = { ('0' + Digits)..., 0 }; |
| 83 | +template<std::size_t Add, std::uint8_t ... Digits> constexpr std::enable_if_t<Add == 0, std::array<char, sizeof...(Digits) + Add + 1>> add_leading_zeros() { |
| 84 | + return num_array_string<Digits...>; |
| 85 | +} |
| 86 | +template<std::size_t Add, std::uint8_t ... Digits> constexpr std::enable_if_t<Add != 0, std::array<char, sizeof...(Digits) + Add + 1>> add_leading_zeros() { |
| 87 | + return add_leading_zeros<Add - 1, 0, Digits...>(); |
| 88 | +} |
| 89 | +template<typename UInt, UInt Num, std::size_t Len = 1, std::uint8_t ... Digits> constexpr std::enable_if_t<Num == 0, std::array<char, Len + 1>> num_to_string() { |
| 90 | + return add_leading_zeros<sizeof...(Digits) < Len ? Len - sizeof...(Digits) : 0, Digits...>(); |
| 91 | +} |
| 92 | +template<typename UInt, UInt Num, std::size_t Len = 1, std::uint8_t ... Digits> constexpr std::enable_if_t<Num != 0, std::array<char, Len + 1>> num_to_string() { |
| 93 | + return num_to_string<UInt, Num / 10, Len, Num % 10, Digits...>(); |
| 94 | +} |
| 95 | + |
| 96 | +template<std::size_t N, std::size_t ... Indices> constexpr std::array<char, N> to_string(const char (&s)[N], std::index_sequence<Indices...>) { |
| 97 | + return { {s[Indices]...}}; |
| 98 | +} |
| 99 | +template<std::size_t N> constexpr std::array<char, N> to_string(const char (&s)[N]) { |
| 100 | + return to_string(s, std::make_index_sequence<N>()); |
| 101 | +} |
| 102 | +template<std::size_t N> constexpr std::array<char, N> to_string(std::array<char, N> s) { |
| 103 | + return s; |
| 104 | +} |
| 105 | + |
| 106 | +template<typename T, std::size_t ... Lengths> constexpr auto _concatenate(const std::array<T, Lengths>& ... strings) { // for null-terminated strings |
| 107 | + std::array<T, ((Lengths - 1) + ...) + 1> result; |
| 108 | + std::size_t index = 0; |
| 109 | + ((std::copy_n(strings.begin(), Lengths, result.begin() + index), index += (Lengths - 1)), ...); |
| 110 | + return result; |
| 111 | +} |
| 112 | +template<typename ... Strings> constexpr auto concatenate(const Strings& ... strings) { |
| 113 | + return _concatenate(to_string(strings)...); |
| 114 | +} |
| 115 | + |
| 116 | +constexpr std::array<char, 5> __buildYear = num_to_string<std::uint32_t, BUILD_YEAR, 4>(); |
| 117 | +constexpr std::array<char, 3> __buildMonth = num_to_string<std::uint32_t, BUILD_MONTH, 2>(); |
| 118 | +constexpr std::array<char, 3> __buildDay = num_to_string<std::uint32_t, BUILD_DAY, 2>(); |
| 119 | +constexpr std::array<char, 3> __buildHour = num_to_string<std::uint32_t, BUILD_HOUR, 2>(); |
| 120 | +constexpr std::array<char, 3> __buildMinute = num_to_string<std::uint32_t, BUILD_MINUTE, 2>(); |
| 121 | +constexpr std::array<char, 3> __buildSecond = num_to_string<std::uint32_t, BUILD_SECOND, 2>(); |
| 122 | +constexpr std::array<char, 11> __buildDate = concatenate(__buildYear, ".", __buildMonth, ".", __buildDay); |
| 123 | +constexpr std::array<char, 9> __buildTime = concatenate(__buildHour, ":", __buildMinute, ":", __buildSecond); |
| 124 | +constexpr std::array<char, 16> __buildIdentifier = concatenate(__buildDate, ".", __buildHour, __buildMinute); |
| 125 | +constexpr auto __version = concatenate(TOOL_NAME, " ", TOOL_VERSION_SPEC, " ", __buildIdentifier, " ('", TOOL_VERSION_BRANCH, "' branch)"); |
| 126 | +constexpr auto __repository = to_string(TOOL_REPOSITORY); |
| 127 | + |
| 128 | +} // END namespace helper |
| 129 | + |
| 130 | +constexpr const char* buildYear = helper::__buildYear.data(); |
| 131 | +constexpr const char* buildMonth = helper::__buildMonth.data(); |
| 132 | +constexpr const char* buildDay = helper::__buildDay.data(); |
| 133 | +constexpr const char* buildDate = helper::__buildDate.data(); |
| 134 | +constexpr const char* buildTime = helper::__buildTime.data(); |
| 135 | +constexpr const char* buildIdentifier = helper::__buildIdentifier.data(); |
| 136 | +constexpr const char* version = helper::__version.data(); |
| 137 | +constexpr const char* repository = helper::__repository.data(); |
| 138 | + |
| 139 | +} |
| 140 | + |
| 141 | +#endif // XAMID_HELPER_VERSION_H |
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