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-rw-r--r--src/common/hex_util.cpp34
-rw-r--r--src/common/hex_util.h29
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
8namespace Common { 7namespace Common {
9 8
10u8 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
21std::vector<u8> HexStringToVector(std::string_view str, bool little_endian) { 9std::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
33std::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
44std::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
15namespace Common { 15namespace Common {
16 16
17u8 ToHexNibble(char c1); 17constexpr 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
19std::vector<u8> HexStringToVector(std::string_view str, bool little_endian); 29std::vector<u8> HexStringToVector(std::string_view str, bool little_endian);
20 30
21template <std::size_t Size, bool le = false> 31template <std::size_t Size, bool le = false>
22std::array<u8, Size> HexStringToArray(std::string_view str) { 32constexpr 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
51std::array<u8, 0x10> operator"" _array16(const char* str, std::size_t len); 63constexpr std::array<u8, 16> AsArray(const char (&data)[17]) {
52std::array<u8, 0x20> operator"" _array32(const char* str, std::size_t len); 64 return HexStringToArray<16>(data);
65}
66
67constexpr std::array<u8, 32> AsArray(const char (&data)[65]) {
68 return HexStringToArray<32>(data);
69}
53 70
54} // namespace Common 71} // namespace Common