diff options
Diffstat (limited to 'src/common')
| -rw-r--r-- | src/common/hex_util.cpp | 34 | ||||
| -rw-r--r-- | src/common/hex_util.h | 29 |
2 files changed, 23 insertions, 40 deletions
diff --git a/src/common/hex_util.cpp b/src/common/hex_util.cpp index c2f6cf0f6..74f52dd11 100644 --- a/src/common/hex_util.cpp +++ b/src/common/hex_util.cpp | |||
| @@ -3,21 +3,9 @@ | |||
| 3 | // Refer to the license.txt file included. | 3 | // Refer to the license.txt file included. |
| 4 | 4 | ||
| 5 | #include "common/hex_util.h" | 5 | #include "common/hex_util.h" |
| 6 | #include "common/logging/log.h" | ||
| 7 | 6 | ||
| 8 | namespace Common { | 7 | namespace Common { |
| 9 | 8 | ||
| 10 | u8 ToHexNibble(char c1) { | ||
| 11 | if (c1 >= 65 && c1 <= 70) | ||
| 12 | return c1 - 55; | ||
| 13 | if (c1 >= 97 && c1 <= 102) | ||
| 14 | return c1 - 87; | ||
| 15 | if (c1 >= 48 && c1 <= 57) | ||
| 16 | return c1 - 48; | ||
| 17 | LOG_ERROR(Common, "Invalid hex digit: 0x{:02X}", c1); | ||
| 18 | return 0; | ||
| 19 | } | ||
| 20 | |||
| 21 | std::vector<u8> HexStringToVector(std::string_view str, bool little_endian) { | 9 | std::vector<u8> HexStringToVector(std::string_view str, bool little_endian) { |
| 22 | std::vector<u8> out(str.size() / 2); | 10 | std::vector<u8> out(str.size() / 2); |
| 23 | if (little_endian) { | 11 | if (little_endian) { |
| @@ -30,26 +18,4 @@ std::vector<u8> HexStringToVector(std::string_view str, bool little_endian) { | |||
| 30 | return out; | 18 | return out; |
| 31 | } | 19 | } |
| 32 | 20 | ||
| 33 | std::array<u8, 16> operator""_array16(const char* str, std::size_t len) { | ||
| 34 | if (len != 32) { | ||
| 35 | LOG_ERROR(Common, | ||
| 36 | "Attempting to parse string to array that is not of correct size (expected=32, " | ||
| 37 | "actual={}).", | ||
| 38 | len); | ||
| 39 | return {}; | ||
| 40 | } | ||
| 41 | return HexStringToArray<16>(str); | ||
| 42 | } | ||
| 43 | |||
| 44 | std::array<u8, 32> operator""_array32(const char* str, std::size_t len) { | ||
| 45 | if (len != 64) { | ||
| 46 | LOG_ERROR(Common, | ||
| 47 | "Attempting to parse string to array that is not of correct size (expected=64, " | ||
| 48 | "actual={}).", | ||
| 49 | len); | ||
| 50 | return {}; | ||
| 51 | } | ||
| 52 | return HexStringToArray<32>(str); | ||
| 53 | } | ||
| 54 | |||
| 55 | } // namespace Common | 21 | } // namespace Common |
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 @@ | |||
| 14 | 14 | ||
| 15 | namespace Common { | 15 | namespace Common { |
| 16 | 16 | ||
| 17 | u8 ToHexNibble(char c1); | 17 | constexpr u8 ToHexNibble(char c) { |
| 18 | if (c >= 65 && c <= 70) { | ||
| 19 | return c - 55; | ||
| 20 | } | ||
| 21 | |||
| 22 | if (c >= 97 && c <= 102) { | ||
| 23 | return c - 87; | ||
| 24 | } | ||
| 25 | |||
| 26 | return c - 48; | ||
| 27 | } | ||
| 18 | 28 | ||
| 19 | std::vector<u8> HexStringToVector(std::string_view str, bool little_endian); | 29 | std::vector<u8> HexStringToVector(std::string_view str, bool little_endian); |
| 20 | 30 | ||
| 21 | template <std::size_t Size, bool le = false> | 31 | template <std::size_t Size, bool le = false> |
| 22 | std::array<u8, Size> HexStringToArray(std::string_view str) { | 32 | constexpr std::array<u8, Size> HexStringToArray(std::string_view str) { |
| 23 | std::array<u8, Size> out{}; | 33 | std::array<u8, Size> out{}; |
| 24 | if constexpr (le) { | 34 | if constexpr (le) { |
| 25 | for (std::size_t i = 2 * Size - 2; i <= 2 * Size; i -= 2) | 35 | for (std::size_t i = 2 * Size - 2; i <= 2 * Size; i -= 2) { |
| 26 | out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]); | 36 | out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]); |
| 37 | } | ||
| 27 | } else { | 38 | } else { |
| 28 | for (std::size_t i = 0; i < 2 * Size; i += 2) | 39 | for (std::size_t i = 0; i < 2 * Size; i += 2) { |
| 29 | out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]); | 40 | out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]); |
| 41 | } | ||
| 30 | } | 42 | } |
| 31 | return out; | 43 | return out; |
| 32 | } | 44 | } |
| @@ -48,7 +60,12 @@ std::string HexToString(const ContiguousContainer& data, bool upper = true) { | |||
| 48 | return out; | 60 | return out; |
| 49 | } | 61 | } |
| 50 | 62 | ||
| 51 | std::array<u8, 0x10> operator"" _array16(const char* str, std::size_t len); | 63 | constexpr std::array<u8, 16> AsArray(const char (&data)[17]) { |
| 52 | std::array<u8, 0x20> operator"" _array32(const char* str, std::size_t len); | 64 | return HexStringToArray<16>(data); |
| 65 | } | ||
| 66 | |||
| 67 | constexpr std::array<u8, 32> AsArray(const char (&data)[65]) { | ||
| 68 | return HexStringToArray<32>(data); | ||
| 69 | } | ||
| 53 | 70 | ||
| 54 | } // namespace Common | 71 | } // namespace Common |