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-rw-r--r--src/common/CMakeLists.txt2
-rw-r--r--src/common/hex_util.cpp27
-rw-r--r--src/common/hex_util.h35
3 files changed, 64 insertions, 0 deletions
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index d5d4f6f82..2ad456864 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -40,6 +40,8 @@ add_library(common STATIC
file_util.cpp
file_util.h
hash.h
+ hex_util.cpp
+ hex_util.h
logging/backend.cpp
logging/backend.h
logging/filter.cpp
diff --git a/src/common/hex_util.cpp b/src/common/hex_util.cpp
new file mode 100644
index 000000000..ae17c89d4
--- /dev/null
+++ b/src/common/hex_util.cpp
@@ -0,0 +1,27 @@
+// 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"
+
+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;
+ throw std::logic_error("Invalid hex digit");
+}
+
+std::array<u8, 16> operator""_array16(const char* str, size_t len) {
+ if (len != 32)
+ throw std::logic_error("Not of correct size.");
+ return HexStringToArray<16>(str);
+}
+
+std::array<u8, 32> operator""_array32(const char* str, size_t len) {
+ if (len != 64)
+ throw std::logic_error("Not of correct size.");
+ return HexStringToArray<32>(str);
+}
diff --git a/src/common/hex_util.h b/src/common/hex_util.h
new file mode 100644
index 000000000..f16c58aab
--- /dev/null
+++ b/src/common/hex_util.h
@@ -0,0 +1,35 @@
+// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <fmt/format.h>
+#include "common/common_types.h"
+
+u8 ToHexNibble(char c1);
+
+template <size_t Size, bool le = false>
+std::array<u8, Size> HexStringToArray(std::string_view str) {
+ std::array<u8, Size> out{};
+ if constexpr (le) {
+ for (size_t i = 2 * Size - 2; i <= 2 * Size; i -= 2)
+ out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]);
+ } else {
+ for (size_t i = 0; i < 2 * Size; i += 2)
+ out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]);
+ }
+ return out;
+}
+
+template <size_t Size>
+std::string HexArrayToString(std::array<u8, Size> array, bool upper = true) {
+ std::string out;
+ for (u8 c : array)
+ out += fmt::format(upper ? "{:02X}" : "{:02x}", c);
+ return out;
+}
+
+std::array<u8, 0x10> operator"" _array16(const char* str, size_t len);
+std::array<u8, 0x20> operator"" _array32(const char* str, size_t len);