mirror of
https://git.suyu.dev/suyu/suyu
synced 2024-11-05 14:57:53 +00:00
a62088539e
These can be generified together by using a concept type to designate them. This also has the benefit of not making copies of potentially very large arrays.
55 lines
1.6 KiB
C++
55 lines
1.6 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.
|
|
|
|
#include "common/hex_util.h"
|
|
#include "common/logging/log.h"
|
|
|
|
namespace Common {
|
|
|
|
u8 ToHexNibble(char c1) {
|
|
if (c1 >= 65 && c1 <= 70)
|
|
return c1 - 55;
|
|
if (c1 >= 97 && c1 <= 102)
|
|
return c1 - 87;
|
|
if (c1 >= 48 && c1 <= 57)
|
|
return c1 - 48;
|
|
LOG_ERROR(Common, "Invalid hex digit: 0x{:02X}", c1);
|
|
return 0;
|
|
}
|
|
|
|
std::vector<u8> HexStringToVector(std::string_view str, bool little_endian) {
|
|
std::vector<u8> out(str.size() / 2);
|
|
if (little_endian) {
|
|
for (std::size_t i = str.size() - 2; i <= str.size(); i -= 2)
|
|
out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]);
|
|
} else {
|
|
for (std::size_t i = 0; i < str.size(); i += 2)
|
|
out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]);
|
|
}
|
|
return out;
|
|
}
|
|
|
|
std::array<u8, 16> operator""_array16(const char* str, std::size_t len) {
|
|
if (len != 32) {
|
|
LOG_ERROR(Common,
|
|
"Attempting to parse string to array that is not of correct size (expected=32, "
|
|
"actual={}).",
|
|
len);
|
|
return {};
|
|
}
|
|
return HexStringToArray<16>(str);
|
|
}
|
|
|
|
std::array<u8, 32> operator""_array32(const char* str, std::size_t len) {
|
|
if (len != 64) {
|
|
LOG_ERROR(Common,
|
|
"Attempting to parse string to array that is not of correct size (expected=64, "
|
|
"actual={}).",
|
|
len);
|
|
return {};
|
|
}
|
|
return HexStringToArray<32>(str);
|
|
}
|
|
|
|
} // namespace Common
|