diff options
Diffstat (limited to 'src/core/file_sys/vfs.cpp')
-rw-r--r-- | src/core/file_sys/vfs.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/core/file_sys/vfs.cpp b/src/core/file_sys/vfs.cpp index b99a4fd5b..dae1c16ef 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 +284,33 @@ bool ReadOnlyVfsDirectory::DeleteFile(std::string_view name) { bool ReadOnlyVfsDirectory::Rename(std::string_view name) { return false; } + +bool DeepEquals(const VirtualFile& file1, const VirtualFile& file2, size_t block_size) { + if (file1->GetSize() != file2->GetSize()) + return false; + + std::vector<u8> f1_v(block_size); + std::vector<u8> f2_v(block_size); + for (size_t i = 0; i < file1->GetSize(); i += block_size) { + auto f1_vs = file1->Read(f1_v.data(), block_size, i); + auto f2_vs = file2->Read(f2_v.data(), block_size, i); + + if (f1_vs != f2_vs) + return false; + auto iters = std::mismatch(f1_v.begin(), f1_v.end(), f2_v.begin(), f2_v.end()); + if (iters.first != f1_v.end() && iters.second != f2_v.end()) + return false; + } + + return true; +} + +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 |