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-rw-r--r--src/common/hex_util.h29
1 files changed, 23 insertions, 6 deletions
diff --git a/src/common/hex_util.h b/src/common/hex_util.h
index bb4736f96..a0a0e78a4 100644
--- a/src/common/hex_util.h
+++ b/src/common/hex_util.h
@@ -14,19 +14,31 @@
namespace Common {
-u8 ToHexNibble(char c1);
+constexpr u8 ToHexNibble(char c) {
+ if (c >= 65 && c <= 70) {
+ return c - 55;
+ }
+
+ if (c >= 97 && c <= 102) {
+ return c - 87;
+ }
+
+ return c - 48;
+}
std::vector<u8> HexStringToVector(std::string_view str, bool little_endian);
template <std::size_t Size, bool le = false>
-std::array<u8, Size> HexStringToArray(std::string_view str) {
+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)
+ for (std::size_t i = 2 * Size - 2; i <= 2 * Size; i -= 2) {
out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]);
+ }
} else {
- for (std::size_t i = 0; i < 2 * Size; i += 2)
+ for (std::size_t i = 0; i < 2 * Size; i += 2) {
out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]);
+ }
}
return out;
}
@@ -48,7 +60,12 @@ std::string HexToString(const ContiguousContainer& data, bool upper = true) {
return out;
}
-std::array<u8, 0x10> operator"" _array16(const char* str, std::size_t len);
-std::array<u8, 0x20> operator"" _array32(const char* str, std::size_t len);
+constexpr std::array<u8, 16> AsArray(const char (&data)[17]) {
+ return HexStringToArray<16>(data);
+}
+
+constexpr std::array<u8, 32> AsArray(const char (&data)[65]) {
+ return HexStringToArray<32>(data);
+}
} // namespace Common