common: Namespace hex_util.h/.cpp

It's in the common code, so it should be under the Common namespace like
everything else.

src/common/hex_util.cpp

@@ -4,6 +4,8 @@
 
 #include "common/hex_util.h"
 
+namespace Common {
+
 u8 ToHexNibble(char c1) {
     if (c1 >= 65 && c1 <= 70)
         return c1 - 55;
@@ -25,3 +27,5 @@ std::array<u8, 32> operator""_array32(const char* str, size_t len) {
         throw std::logic_error("Not of correct size.");
     return HexStringToArray<32>(str);
 }
+
+} // namespace Common

src/common/hex_util.h

@@ -10,6 +10,8 @@
 #include <fmt/format.h>
 #include "common/common_types.h"
 
+namespace Common {
+
 u8 ToHexNibble(char c1);
 
 template <size_t Size, bool le = false>
@@ -35,3 +37,5 @@ std::string HexArrayToString(std::array<u8, Size> array, bool upper = true) {
 
 std::array<u8, 0x10> operator"" _array16(const char* str, size_t len);
 std::array<u8, 0x20> operator"" _array32(const char* str, size_t len);
+
+} // namespace Common

src/core/crypto/key_manager.cpp

@@ -52,20 +52,20 @@ void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) {
         out[1].erase(std::remove(out[1].begin(), out[1].end(), ' '), out[1].end());
 
         if (is_title_keys) {
-            auto rights_id_raw = HexStringToArray<16>(out[0]);
+            auto rights_id_raw = Common::HexStringToArray<16>(out[0]);
             u128 rights_id{};
             std::memcpy(rights_id.data(), rights_id_raw.data(), rights_id_raw.size());
-            Key128 key = HexStringToArray<16>(out[1]);
+            Key128 key = Common::HexStringToArray<16>(out[1]);
             SetKey(S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
         } else {
             std::transform(out[0].begin(), out[0].end(), out[0].begin(), ::tolower);
             if (s128_file_id.find(out[0]) != s128_file_id.end()) {
                 const auto index = s128_file_id.at(out[0]);
-                Key128 key = HexStringToArray<16>(out[1]);
+                Key128 key = Common::HexStringToArray<16>(out[1]);
                 SetKey(index.type, key, index.field1, index.field2);
             } else if (s256_file_id.find(out[0]) != s256_file_id.end()) {
                 const auto index = s256_file_id.at(out[0]);
-                Key256 key = HexStringToArray<32>(out[1]);
+                Key256 key = Common::HexStringToArray<32>(out[1]);
                 SetKey(index.type, key, index.field1, index.field2);
             }
         }

src/core/file_sys/registered_cache.cpp

@@ -37,11 +37,12 @@ static bool FollowsNcaIdFormat(std::string_view name) {
 static std::string GetRelativePathFromNcaID(const std::array<u8, 16>& nca_id, bool second_hex_upper,
                                             bool within_two_digit) {
     if (!within_two_digit)
-        return fmt::format("/{}.nca", HexArrayToString(nca_id, second_hex_upper));
+        return fmt::format("/{}.nca", Common::HexArrayToString(nca_id, second_hex_upper));
 
     Core::Crypto::SHA256Hash hash{};
     mbedtls_sha256(nca_id.data(), nca_id.size(), hash.data(), 0);
-    return fmt::format("/000000{:02X}/{}.nca", hash[0], HexArrayToString(nca_id, second_hex_upper));
+    return fmt::format("/000000{:02X}/{}.nca", hash[0],
+                       Common::HexArrayToString(nca_id, second_hex_upper));
 }
 
 static std::string GetCNMTName(TitleType type, u64 title_id) {
@@ -170,7 +171,7 @@ std::vector<NcaID> RegisteredCache::AccumulateFiles() const {
     std::vector<NcaID> ids;
     for (const auto& d2_dir : dir->GetSubdirectories()) {
         if (FollowsNcaIdFormat(d2_dir->GetName())) {
-            ids.push_back(HexStringToArray<0x10, true>(d2_dir->GetName().substr(0, 0x20)));
+            ids.push_back(Common::HexStringToArray<0x10, true>(d2_dir->GetName().substr(0, 0x20)));
             continue;
         }
 
@@ -181,20 +182,21 @@ std::vector<NcaID> RegisteredCache::AccumulateFiles() const {
             if (!FollowsNcaIdFormat(nca_dir->GetName()))
                 continue;
 
-            ids.push_back(HexStringToArray<0x10, true>(nca_dir->GetName().substr(0, 0x20)));
+            ids.push_back(Common::HexStringToArray<0x10, true>(nca_dir->GetName().substr(0, 0x20)));
         }
 
         for (const auto& nca_file : d2_dir->GetFiles()) {
             if (!FollowsNcaIdFormat(nca_file->GetName()))
                 continue;
 
-            ids.push_back(HexStringToArray<0x10, true>(nca_file->GetName().substr(0, 0x20)));
+            ids.push_back(
+                Common::HexStringToArray<0x10, true>(nca_file->GetName().substr(0, 0x20)));
         }
     }
 
     for (const auto& d2_file : dir->GetFiles()) {
         if (FollowsNcaIdFormat(d2_file->GetName()))
-            ids.push_back(HexStringToArray<0x10, true>(d2_file->GetName().substr(0, 0x20)));
+            ids.push_back(Common::HexStringToArray<0x10, true>(d2_file->GetName().substr(0, 0x20)));
     }
     return ids;
 }
@@ -339,7 +341,7 @@ std::vector<RegisteredCacheEntry> RegisteredCache::ListEntriesFilter(
 }
 
 static std::shared_ptr<NCA> GetNCAFromXCIForID(std::shared_ptr<XCI> xci, const NcaID& id) {
-    const auto filename = fmt::format("{}.nca", HexArrayToString(id, false));
+    const auto filename = fmt::format("{}.nca", Common::HexArrayToString(id, false));
     const auto iter =
         std::find_if(xci->GetNCAs().begin(), xci->GetNCAs().end(),
                      [&filename](std::shared_ptr<NCA> nca) { return nca->GetName() == filename; });
@@ -361,7 +363,7 @@ InstallResult RegisteredCache::InstallEntry(std::shared_ptr<XCI> xci, bool overw
 
     // Install Metadata File
     const auto meta_id_raw = (*meta_iter)->GetName().substr(0, 32);
-    const auto meta_id = HexStringToArray<16>(meta_id_raw);
+    const auto meta_id = Common::HexStringToArray<16>(meta_id_raw);
 
     const auto res = RawInstallNCA(*meta_iter, copy, overwrite_if_exists, meta_id);
     if (res != InstallResult::Success)