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vfs: Remove InterpretAsDirectory and related functions

When writing VFS, it initally seemed useful to include a function to in-place convert container files into directories in one homogenous directory structure, but re-evaluating it now there have been plenty of chances to use it and there has always been a better way. Removing as it is unused and likely will not be used.
This commit is contained in:
Zach Hilman 2018-10-02 20:04:31 -04:00
parent 12401a0d87
commit a25d79cfaa
17 changed files with 1 additions and 95 deletions

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@ -168,10 +168,6 @@ VirtualDir XCI::GetParentDirectory() const {
return file->GetContainingDirectory();
}
bool XCI::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
return false;
}
Loader::ResultStatus XCI::AddNCAFromPartition(XCIPartition part) {
if (partitions[static_cast<std::size_t>(part)] == nullptr) {
return Loader::ResultStatus::ErrorXCIMissingPartition;

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@ -94,9 +94,6 @@ public:
VirtualDir GetParentDirectory() const override;
protected:
bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
private:
Loader::ResultStatus AddNCAFromPartition(XCIPartition part);

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@ -546,7 +546,4 @@ u64 NCA::GetBaseIVFCOffset() const {
return ivfc_offset;
}
bool NCA::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
return false;
}
} // namespace FileSys

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@ -100,9 +100,6 @@ public:
// Returns the base ivfc offset used in BKTR patching.
u64 GetBaseIVFCOffset() const;
protected:
bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
private:
bool CheckSupportedNCA(const NCAHeader& header);
bool HandlePotentialHeaderDecryption();

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@ -83,7 +83,7 @@ std::vector<std::shared_ptr<VfsFile>> PartitionFilesystem::GetFiles() const {
}
std::vector<std::shared_ptr<VfsDirectory>> PartitionFilesystem::GetSubdirectories() const {
return pfs_dirs;
return {};
}
std::string PartitionFilesystem::GetName() const {
@ -103,18 +103,4 @@ void PartitionFilesystem::PrintDebugInfo() const {
pfs_files[i]->GetName(), pfs_files[i]->GetSize());
}
}
bool PartitionFilesystem::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
const auto iter = std::find(pfs_files.begin(), pfs_files.end(), file);
if (iter == pfs_files.end())
return false;
const std::ptrdiff_t offset = std::distance(pfs_files.begin(), iter);
pfs_files[offset] = std::move(pfs_files.back());
pfs_files.pop_back();
pfs_dirs.emplace_back(std::move(dir));
return true;
}
} // namespace FileSys

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@ -35,9 +35,6 @@ public:
std::shared_ptr<VfsDirectory> GetParentDirectory() const override;
void PrintDebugInfo() const;
protected:
bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
private:
struct Header {
u32_le magic;
@ -84,7 +81,6 @@ private:
std::size_t content_offset = 0;
std::vector<VirtualFile> pfs_files;
std::vector<VirtualDir> pfs_dirs;
};
} // namespace FileSys

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@ -205,10 +205,6 @@ VirtualDir NSP::GetParentDirectory() const {
return file->GetContainingDirectory();
}
bool NSP::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
return false;
}
void NSP::InitializeExeFSAndRomFS(const std::vector<VirtualFile>& files) {
exefs = pfs;

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@ -55,9 +55,6 @@ public:
VirtualDir GetParentDirectory() const override;
protected:
bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
private:
void InitializeExeFSAndRomFS(const std::vector<VirtualFile>& files);
void ReadNCAs(const std::vector<VirtualFile>& files);

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@ -262,36 +262,8 @@ public:
// item name -> type.
virtual std::map<std::string, VfsEntryType, std::less<>> GetEntries() const;
// Interprets the file with name file instead as a directory of type directory.
// The directory must have a constructor that takes a single argument of type
// std::shared_ptr<VfsFile>. Allows to reinterpret container files (i.e NCA, zip, XCI, etc) as a
// subdirectory in one call.
template <typename Directory>
bool InterpretAsDirectory(std::string_view file) {
auto file_p = GetFile(file);
if (file_p == nullptr) {
return false;
}
return ReplaceFileWithSubdirectory(file_p, std::make_shared<Directory>(file_p));
}
bool InterpretAsDirectory(const std::function<VirtualDir(VirtualFile)>& function,
const std::string& file) {
auto file_p = GetFile(file);
if (file_p == nullptr)
return false;
return ReplaceFileWithSubdirectory(file_p, function(file_p));
}
// Returns the full path of this directory as a string, recursively
virtual std::string GetFullPath() const;
protected:
// Backend for InterpretAsDirectory.
// Removes all references to file and adds a reference to dir in the directory's implementation.
virtual bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) = 0;
};
// A convenience partial-implementation of VfsDirectory that stubs out methods that should only work

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@ -126,7 +126,4 @@ bool LayeredVfsDirectory::Rename(std::string_view name_) {
return true;
}
bool LayeredVfsDirectory::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
return false;
}
} // namespace FileSys

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@ -39,9 +39,6 @@ public:
bool DeleteFile(std::string_view name) override;
bool Rename(std::string_view name) override;
protected:
bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
private:
std::vector<VirtualDir> dirs;
std::string name;

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@ -430,7 +430,4 @@ std::map<std::string, VfsEntryType, std::less<>> RealVfsDirectory::GetEntries()
return out;
}
bool RealVfsDirectory::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
return false;
}
} // namespace FileSys

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@ -100,9 +100,6 @@ public:
std::string GetFullPath() const override;
std::map<std::string, VfsEntryType, std::less<>> GetEntries() const override;
protected:
bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
private:
RealVfsDirectory(RealVfsFilesystem& base, const std::string& path, Mode perms = Mode::Read);

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@ -132,11 +132,4 @@ void VectorVfsDirectory::AddFile(VirtualFile file) {
void VectorVfsDirectory::AddDirectory(VirtualDir dir) {
dirs.push_back(std::move(dir));
}
bool VectorVfsDirectory::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
if (!DeleteFile(file->GetName()))
return false;
dirs.emplace_back(std::move(dir));
return true;
}
} // namespace FileSys

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@ -57,9 +57,6 @@ public:
virtual void AddFile(VirtualFile file);
virtual void AddDirectory(VirtualDir dir);
protected:
bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
private:
std::vector<VirtualFile> files;
std::vector<VirtualDir> dirs;

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@ -163,7 +163,4 @@ std::shared_ptr<VfsDirectory> NAX::GetParentDirectory() const {
return file->GetContainingDirectory();
}
bool NAX::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
return false;
}
} // namespace FileSys

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@ -51,9 +51,6 @@ public:
std::shared_ptr<VfsDirectory> GetParentDirectory() const override;
protected:
bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
private:
Loader::ResultStatus Parse(std::string_view path);