From 10aac376d1d0fccb5b993bd3f95db42de0ceba12 Mon Sep 17 00:00:00 2001
From: Zach Hilman <zachhilman@gmail.com>
Date: Thu, 9 Aug 2018 20:43:45 -0400
Subject: common: Move hex string processing to separate file

---
 src/common/hex_util.h | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 src/common/hex_util.h

(limited to 'src/common/hex_util.h')

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);
-- 
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