71 lines
2 KiB
C++
71 lines
2 KiB
C++
// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <array>
|
|
#include <cstddef>
|
|
#include <string>
|
|
#include <vector>
|
|
#include <fmt/format.h>
|
|
#include "common/common_types.h"
|
|
|
|
namespace Common {
|
|
|
|
[[nodiscard]] constexpr u8 ToHexNibble(char c) {
|
|
if (c >= 65 && c <= 70) {
|
|
return static_cast<u8>(c - 55);
|
|
}
|
|
|
|
if (c >= 97 && c <= 102) {
|
|
return static_cast<u8>(c - 87);
|
|
}
|
|
|
|
return static_cast<u8>(c - 48);
|
|
}
|
|
|
|
[[nodiscard]] std::vector<u8> HexStringToVector(std::string_view str, bool little_endian);
|
|
|
|
template <std::size_t Size, bool le = false>
|
|
[[nodiscard]] constexpr std::array<u8, Size> HexStringToArray(std::string_view str) {
|
|
std::array<u8, Size> out{};
|
|
if constexpr (le) {
|
|
for (std::size_t i = 2 * Size - 2; i <= 2 * Size; i -= 2) {
|
|
out[i / 2] = static_cast<u8>((ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]));
|
|
}
|
|
} else {
|
|
for (std::size_t i = 0; i < 2 * Size; i += 2) {
|
|
out[i / 2] = static_cast<u8>((ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]));
|
|
}
|
|
}
|
|
return out;
|
|
}
|
|
|
|
template <typename ContiguousContainer>
|
|
[[nodiscard]] std::string HexToString(const ContiguousContainer& data, bool upper = true) {
|
|
static_assert(std::is_same_v<typename ContiguousContainer::value_type, u8>,
|
|
"Underlying type within the contiguous container must be u8.");
|
|
|
|
constexpr std::size_t pad_width = 2;
|
|
|
|
std::string out;
|
|
out.reserve(std::size(data) * pad_width);
|
|
|
|
const auto format_str = fmt::runtime(upper ? "{:02X}" : "{:02x}");
|
|
for (const u8 c : data) {
|
|
out += fmt::format(format_str, c);
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
[[nodiscard]] constexpr std::array<u8, 16> AsArray(const char (&data)[33]) {
|
|
return HexStringToArray<16>(data);
|
|
}
|
|
|
|
[[nodiscard]] constexpr std::array<u8, 32> AsArray(const char (&data)[65]) {
|
|
return HexStringToArray<32>(data);
|
|
}
|
|
|
|
} // namespace Common
|