RomFS Extraction

1 files changed, 23 insertions, 0 deletions

diff --git a/src/core/file_sys/vfs.cpp b/src/core/file_sys/vfs.cpp
index b99a4fd5b..84a6a7397 100644
--- a/src/core/file_sys/vfs.cpp
+++ b/src/core/file_sys/vfs.cpp
@@ -46,6 +46,13 @@ size_t VfsFile::WriteBytes(const std::vector<u8>& data, size_t offset) {
     return Write(data.data(), data.size(), offset);
 }
 
+std::string VfsFile::GetFullPath() const {
+    if (GetContainingDirectory() == nullptr)
+        return "/" + GetName();
+
+    return GetContainingDirectory()->GetFullPath() + "/" + GetName();
+}
+
 std::shared_ptr<VfsFile> VfsDirectory::GetFileRelative(std::string_view path) const {
     auto vec = FileUtil::SplitPathComponents(path);
     vec.erase(std::remove_if(vec.begin(), vec.end(), [](const auto& str) { return str.empty(); }),
@@ -243,6 +250,13 @@ bool VfsDirectory::Copy(std::string_view src, std::string_view dest) {
     return f2->WriteBytes(f1->ReadAllBytes()) == f1->GetSize();
 }
 
+std::string VfsDirectory::GetFullPath() const {
+    if (IsRoot())
+        return GetName();
+
+    return GetParentDirectory()->GetFullPath() + "/" + GetName();
+}
+
 bool ReadOnlyVfsDirectory::IsWritable() const {
     return false;
 }
@@ -270,4 +284,13 @@ bool ReadOnlyVfsDirectory::DeleteFile(std::string_view name) {
 bool ReadOnlyVfsDirectory::Rename(std::string_view name) {
     return false;
 }
+
+bool VfsRawCopy(VirtualFile src, VirtualFile dest) {
+    if (src == nullptr || dest == nullptr)
+        return false;
+    if (!dest->Resize(src->GetSize()))
+        return false;
+    std::vector<u8> data = src->ReadAllBytes();
+    return dest->WriteBytes(data, 0) == data.size();
+}
 } // namespace FileSys