380 lines
11 KiB
C++
380 lines
11 KiB
C++
#pragma once
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#include <hex.hpp>
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#include <hex/helpers/concepts.hpp>
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#include <hex/helpers/fs.hpp>
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#include <array>
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#include <bit>
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#include <cstring>
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#include <cctype>
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#include <functional>
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#include <limits>
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#include <memory>
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#include <optional>
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#include <string>
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#include <type_traits>
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#include <variant>
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#include <vector>
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#define TOKEN_CONCAT_IMPL(x, y) x##y
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#define TOKEN_CONCAT(x, y) TOKEN_CONCAT_IMPL(x, y)
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#define ANONYMOUS_VARIABLE(prefix) TOKEN_CONCAT(prefix, __COUNTER__)
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struct ImVec2;
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namespace hex {
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long double operator""_scaled(long double value);
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long double operator""_scaled(unsigned long long value);
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ImVec2 scaled(const ImVec2 &vector);
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std::string to_string(u128 value);
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std::string to_string(i128 value);
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std::string toByteString(u64 bytes);
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std::string makePrintable(u8 c);
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void runCommand(const std::string &command);
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void openWebpage(std::string url);
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std::string encodeByteString(const std::vector<u8> &bytes);
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std::vector<u8> decodeByteString(const std::string &string);
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[[nodiscard]] constexpr inline u64 extract(u8 from, u8 to, const hex::unsigned_integral auto &value) {
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if (from < to) std::swap(from, to);
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using ValueType = std::remove_cvref_t<decltype(value)>;
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ValueType mask = (std::numeric_limits<ValueType>::max() >> (((sizeof(value) * 8) - 1) - (from - to))) << to;
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return (value & mask) >> to;
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}
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[[nodiscard]] inline u64 extract(u32 from, u32 to, const std::vector<u8> &bytes) {
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u8 index = 0;
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while (from > 32 && to > 32) {
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if (from - 8 < 0 || to - 8 < 0)
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return 0;
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from -= 8;
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to -= 8;
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index++;
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}
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u64 value = 0;
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std::memcpy(&value, &bytes[index], std::min(sizeof(value), bytes.size() - index));
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u64 mask = (std::numeric_limits<u64>::max() >> (64 - (from + 1)));
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return (value & mask) >> to;
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}
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constexpr inline i128 signExtend(size_t numBits, i128 value) {
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i128 mask = 1U << (numBits - 1);
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return (value ^ mask) - mask;
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}
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template<class... Ts>
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struct overloaded : Ts... { using Ts::operator()...; };
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template<class... Ts>
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overloaded(Ts...) -> overloaded<Ts...>;
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template<size_t Size>
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struct SizeTypeImpl { };
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template<>
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struct SizeTypeImpl<1> { using Type = u8; };
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template<>
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struct SizeTypeImpl<2> { using Type = u16; };
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template<>
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struct SizeTypeImpl<4> { using Type = u32; };
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template<>
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struct SizeTypeImpl<8> { using Type = u64; };
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template<>
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struct SizeTypeImpl<16> { using Type = u128; };
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template<size_t Size>
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using SizeType = typename SizeTypeImpl<Size>::Type;
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template<typename T>
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constexpr T changeEndianess(const T &value, std::endian endian) {
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if (endian == std::endian::native)
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return value;
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constexpr auto Size = sizeof(T);
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SizeType<Size> unswapped;
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std::memcpy(&unswapped, &value, Size);
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SizeType<Size> swapped;
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if constexpr (!std::has_single_bit(Size) || Size > 16)
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static_assert(always_false<T>::value, "Invalid type provided!");
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switch (Size) {
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case 1:
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swapped = unswapped;
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break;
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case 2:
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swapped = __builtin_bswap16(unswapped);
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break;
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case 4:
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swapped = __builtin_bswap32(unswapped);
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break;
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case 8:
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swapped = __builtin_bswap64(unswapped);
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break;
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case 16:
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swapped = (u128(__builtin_bswap64(unswapped & 0xFFFF'FFFF'FFFF'FFFF)) << 64) | __builtin_bswap64(u128(unswapped) >> 64);
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break;
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default:
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__builtin_unreachable();
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}
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T result;
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std::memcpy(&result, &swapped, Size);
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return result;
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}
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[[nodiscard]] constexpr u128 bitmask(u8 bits) {
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return u128(-1) >> (128 - bits);
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}
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template<typename T>
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constexpr T changeEndianess(T value, size_t size, std::endian endian) {
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if (endian == std::endian::native)
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return value;
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u128 unswapped = 0;
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std::memcpy(&unswapped, &value, size);
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u128 swapped;
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switch (size) {
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case 1:
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swapped = unswapped;
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break;
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case 2:
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swapped = __builtin_bswap16(unswapped);
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break;
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case 4:
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swapped = __builtin_bswap32(unswapped);
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break;
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case 8:
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swapped = __builtin_bswap64(unswapped);
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break;
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case 16:
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swapped = (u128(__builtin_bswap64(unswapped & 0xFFFF'FFFF'FFFF'FFFF)) << 64) | __builtin_bswap64(u128(unswapped) >> 64);
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break;
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default:
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__builtin_unreachable();
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}
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T result = 0;
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std::memcpy(&result, &swapped, size);
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return result;
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}
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template<class T>
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constexpr T bit_width(T x) noexcept {
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return std::numeric_limits<T>::digits - std::countl_zero(x);
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}
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template<typename T>
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constexpr T bit_ceil(T x) noexcept {
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if (x <= 1u)
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return T(1);
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return T(1) << bit_width(T(x - 1));
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}
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template<typename T, typename... Args>
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void moveToVector(std::vector<T> &buffer, T &&first, Args &&...rest) {
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buffer.push_back(std::move(first));
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if constexpr (sizeof...(rest) > 0)
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moveToVector(buffer, std::move(rest)...);
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}
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template<typename T, typename... Args>
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std::vector<T> moveToVector(T &&first, Args &&...rest) {
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std::vector<T> result;
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moveToVector(result, T(std::move(first)), std::move(rest)...);
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return result;
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}
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std::vector<std::string> splitString(const std::string &string, const std::string &delimiter);
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std::string combineStrings(const std::vector<std::string> &strings, const std::string &delimiter = "");
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std::string toEngineeringString(double value);
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template<typename T>
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std::vector<u8> toBytes(T value) {
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std::vector<u8> bytes(sizeof(T));
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std::memcpy(bytes.data(), &value, sizeof(T));
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return bytes;
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}
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inline std::vector<u8> parseByteString(const std::string &string) {
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auto byteString = std::string(string);
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byteString.erase(std::remove(byteString.begin(), byteString.end(), ' '), byteString.end());
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if ((byteString.length() % 2) != 0) return {};
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std::vector<u8> result;
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for (u32 i = 0; i < byteString.length(); i += 2) {
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if (!std::isxdigit(byteString[i]) || !std::isxdigit(byteString[i + 1]))
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return {};
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result.push_back(std::strtoul(byteString.substr(i, 2).c_str(), nullptr, 16));
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}
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return result;
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}
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inline std::string toBinaryString(hex::unsigned_integral auto number) {
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if (number == 0) return "0";
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std::string result;
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for (i16 bit = hex::bit_width(number) - 1; bit >= 0; bit--)
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result += (number & (0b1 << bit)) == 0 ? '0' : '1';
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return result;
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}
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inline void trimLeft(std::string &s) {
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s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](unsigned char ch) {
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return !std::isspace(ch) && ch >= 0x20;
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}));
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}
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inline void trimRight(std::string &s) {
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s.erase(std::find_if(s.rbegin(), s.rend(), [](unsigned char ch) {
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return !std::isspace(ch) && ch >= 0x20;
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}).base(),
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s.end());
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}
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inline void trim(std::string &s) {
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trimLeft(s);
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trimRight(s);
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}
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float float16ToFloat32(u16 float16);
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inline bool equalsIgnoreCase(const std::string &left, const std::string &right) {
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return std::equal(left.begin(), left.end(), right.begin(), right.end(), [](char a, char b) {
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return tolower(a) == tolower(b);
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});
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}
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inline bool containsIgnoreCase(const std::string &a, const std::string &b) {
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auto iter = std::search(a.begin(), a.end(), b.begin(), b.end(), [](char ch1, char ch2) {
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return std::toupper(ch1) == std::toupper(ch2);
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});
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return iter != a.end();
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}
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template<typename T, typename... VariantTypes>
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T get_or(const std::variant<VariantTypes...> &variant, T alt) {
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const T *value = std::get_if<T>(&variant);
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if (value == nullptr)
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return alt;
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else
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return *value;
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}
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bool isProcessElevated();
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namespace scope_guard {
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#define SCOPE_GUARD ::hex::scope_guard::ScopeGuardOnExit() + [&]()
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#define ON_SCOPE_EXIT auto ANONYMOUS_VARIABLE(SCOPE_EXIT_) = SCOPE_GUARD
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template<class F>
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class ScopeGuard {
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private:
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F m_func;
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bool m_active;
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public:
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explicit constexpr ScopeGuard(F func) : m_func(std::move(func)), m_active(true) { }
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~ScopeGuard() {
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if (this->m_active) { this->m_func(); }
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}
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void release() { this->m_active = false; }
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ScopeGuard(ScopeGuard &&other) noexcept : m_func(std::move(other.m_func)), m_active(other.m_active) {
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other.cancel();
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}
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ScopeGuard &operator=(ScopeGuard &&) = delete;
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};
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enum class ScopeGuardOnExit
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{
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};
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template<typename F>
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constexpr ScopeGuard<F> operator+(ScopeGuardOnExit, F &&f) {
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return ScopeGuard<F>(std::forward<F>(f));
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}
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}
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namespace first_time_exec {
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#define FIRST_TIME static auto ANONYMOUS_VARIABLE(FIRST_TIME_) = ::hex::first_time_exec::FirstTimeExecutor() + [&]()
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template<class F>
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class FirstTimeExecute {
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public:
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explicit constexpr FirstTimeExecute(F func) { func(); }
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FirstTimeExecute &operator=(FirstTimeExecute &&) = delete;
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};
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enum class FirstTimeExecutor
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{
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};
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template<typename F>
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constexpr FirstTimeExecute<F> operator+(FirstTimeExecutor, F &&f) {
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return FirstTimeExecute<F>(std::forward<F>(f));
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}
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}
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namespace final_cleanup {
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#define FINAL_CLEANUP static auto ANONYMOUS_VARIABLE(ON_EXIT_) = ::hex::final_cleanup::FinalCleanupExecutor() + [&]()
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template<class F>
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class FinalCleanupExecute {
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F m_func;
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public:
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explicit constexpr FinalCleanupExecute(F func) : m_func(func) { }
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constexpr ~FinalCleanupExecute() { this->m_func(); }
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FinalCleanupExecute &operator=(FinalCleanupExecute &&) = delete;
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};
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enum class FinalCleanupExecutor
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{
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};
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template<typename F>
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constexpr FinalCleanupExecute<F> operator+(FinalCleanupExecutor, F &&f) {
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return FinalCleanupExecute<F>(std::forward<F>(f));
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}
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}
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}
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