hex_util: Add HexVectorToString and HexStringToVector
Converts between bytes and strings when the size is not known at compile time.
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@ -18,6 +18,25 @@ u8 ToHexNibble(char c1) {
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return 0;
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return 0;
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}
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}
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std::vector<u8> HexStringToVector(std::string_view str, bool little_endian) {
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std::vector<u8> out(str.size() / 2);
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if (little_endian) {
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for (std::size_t i = str.size() - 2; i <= str.size(); i -= 2)
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out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]);
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} else {
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for (std::size_t i = 0; i < str.size(); i += 2)
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out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]);
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}
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return out;
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}
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std::string HexVectorToString(std::vector<u8> vector, bool upper) {
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std::string out;
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for (u8 c : vector)
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out += fmt::format(upper ? "{:02X}" : "{:02x}", c);
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return out;
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}
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std::array<u8, 16> operator""_array16(const char* str, std::size_t len) {
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std::array<u8, 16> operator""_array16(const char* str, std::size_t len) {
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if (len != 32) {
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if (len != 32) {
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LOG_ERROR(Common,
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LOG_ERROR(Common,
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@ -7,6 +7,7 @@
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#include <array>
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#include <array>
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#include <cstddef>
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#include <cstddef>
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#include <string>
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#include <string>
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#include <vector>
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#include <fmt/format.h>
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#include <fmt/format.h>
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#include "common/common_types.h"
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#include "common/common_types.h"
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@ -14,6 +15,8 @@ namespace Common {
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u8 ToHexNibble(char c1);
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u8 ToHexNibble(char c1);
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std::vector<u8> HexStringToVector(std::string_view str, bool little_endian);
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template <std::size_t Size, bool le = false>
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template <std::size_t Size, bool le = false>
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std::array<u8, Size> HexStringToArray(std::string_view str) {
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std::array<u8, Size> HexStringToArray(std::string_view str) {
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std::array<u8, Size> out{};
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std::array<u8, Size> out{};
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@ -27,6 +30,8 @@ std::array<u8, Size> HexStringToArray(std::string_view str) {
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return out;
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return out;
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}
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}
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std::string HexVectorToString(std::vector<u8> vector, bool upper = true);
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template <std::size_t Size>
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template <std::size_t Size>
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std::string HexArrayToString(std::array<u8, Size> array, bool upper = true) {
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std::string HexArrayToString(std::array<u8, Size> array, bool upper = true) {
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std::string out;
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std::string out;
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