Services/FS: Implemented DeleteExtSaveData, CreateSystemSaveData and DeleteSystemSaveData

Also fixed a bug with CreateExtSaveData that made it unable to create ExtSaveData archives in the SDMC directory.

1 files changed, 20 insertions, 2 deletions

diff --git a/src/core/file_sys/archive_systemsavedata.cpp b/src/core/file_sys/archive_systemsavedata.cpp
index 25c94cd2..4fe785c9 100644
--- a/src/core/file_sys/archive_systemsavedata.cpp
+++ b/src/core/file_sys/archive_systemsavedata.cpp
@@ -17,7 +17,7 @@
 
 namespace FileSys {
 
-static std::string GetSystemSaveDataPath(const std::string& mount_point, const Path& path) {
+std::string GetSystemSaveDataPath(const std::string& mount_point, const Path& path) {
     std::vector<u8> vec_data = path.AsBinary();
     const u32* data = reinterpret_cast<const u32*>(vec_data.data());
     u32 save_low = data[1];
@@ -25,10 +25,27 @@ static std::string GetSystemSaveDataPath(const std::string& mount_point, const P
     return Common::StringFromFormat("%s%08X/%08X/", mount_point.c_str(), save_low, save_high);
 }
 
-static std::string GetSystemSaveDataContainerPath(const std::string& mount_point) {
+std::string GetSystemSaveDataContainerPath(const std::string& mount_point) {
     return Common::StringFromFormat("%sdata/%s/sysdata/", mount_point.c_str(), SYSTEM_ID.c_str());
 }
 
+Path ConstructSystemSaveDataBinaryPath(u32 high, u32 low) {
+    std::vector<u8> binary_path;
+    binary_path.reserve(8);
+
+    // Append each word byte by byte
+
+    // First is the high word
+    for (unsigned i = 0; i < 4; ++i)
+        binary_path.push_back((high >> (8 * i)) & 0xFF);
+
+    // Next is the low word
+    for (unsigned i = 0; i < 4; ++i)
+        binary_path.push_back((low >> (8 * i)) & 0xFF);
+
+    return { binary_path };
+}
+
 ArchiveFactory_SystemSaveData::ArchiveFactory_SystemSaveData(const std::string& nand_path)
         : base_path(GetSystemSaveDataContainerPath(nand_path)) {
 }
@@ -46,6 +63,7 @@ ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SystemSaveData::Open(c
 
 ResultCode ArchiveFactory_SystemSaveData::Format(const Path& path) {
     std::string fullpath = GetSystemSaveDataPath(base_path, path);
+    FileUtil::DeleteDirRecursively(fullpath);
     FileUtil::CreateFullPath(fullpath);
     return RESULT_SUCCESS;
 }