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suyu/src/core/file_sys/vfs_layered.h
Lioncash b1657b8c6b vfs: Use existing type aliases consistently
Makes use of the VirtualDir and VirtualFile aliases across the board
instead of having a few isolated places that don't use it.
2020-12-10 01:44:43 -05:00

47 lines
1.8 KiB
C++

// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include "core/file_sys/vfs.h"
namespace FileSys {
// Class that stacks multiple VfsDirectories on top of each other, attempting to read from the first
// one and falling back to the one after. The highest priority directory (overwrites all others)
// should be element 0 in the dirs vector.
class LayeredVfsDirectory : public VfsDirectory {
LayeredVfsDirectory(std::vector<VirtualDir> dirs, std::string name);
public:
~LayeredVfsDirectory() override;
/// Wrapper function to allow for more efficient handling of dirs.size() == 0, 1 cases.
static VirtualDir MakeLayeredDirectory(std::vector<VirtualDir> dirs, std::string name = "");
VirtualFile GetFileRelative(std::string_view path) const override;
VirtualDir GetDirectoryRelative(std::string_view path) const override;
VirtualFile GetFile(std::string_view name) const override;
VirtualDir GetSubdirectory(std::string_view name) const override;
std::string GetFullPath() const override;
std::vector<VirtualFile> GetFiles() const override;
std::vector<VirtualDir> GetSubdirectories() const override;
bool IsWritable() const override;
bool IsReadable() const override;
std::string GetName() const override;
VirtualDir GetParentDirectory() const override;
VirtualDir CreateSubdirectory(std::string_view name) override;
VirtualFile CreateFile(std::string_view name) override;
bool DeleteSubdirectory(std::string_view name) override;
bool DeleteFile(std::string_view name) override;
bool Rename(std::string_view name) override;
private:
std::vector<VirtualDir> dirs;
std::string name;
};
} // namespace FileSys