mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-09-23 01:24:58 +00:00
b1657b8c6b
Makes use of the VirtualDir and VirtualFile aliases across the board instead of having a few isolated places that don't use it.
47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
// Copyright 2018 yuzu emulator team
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <map>
|
|
#include <memory>
|
|
#include <string_view>
|
|
#include "core/file_sys/vfs.h"
|
|
|
|
namespace FileSys {
|
|
|
|
// Class that wraps multiple vfs files and concatenates them, making reads seamless. Currently
|
|
// read-only.
|
|
class ConcatenatedVfsFile : public VfsFile {
|
|
ConcatenatedVfsFile(std::vector<VirtualFile> files, std::string name);
|
|
ConcatenatedVfsFile(std::multimap<u64, VirtualFile> files, std::string name);
|
|
|
|
public:
|
|
~ConcatenatedVfsFile() override;
|
|
|
|
/// Wrapper function to allow for more efficient handling of files.size() == 0, 1 cases.
|
|
static VirtualFile MakeConcatenatedFile(std::vector<VirtualFile> files, std::string name);
|
|
|
|
/// Convenience function that turns a map of offsets to files into a concatenated file, filling
|
|
/// gaps with a given filler byte.
|
|
static VirtualFile MakeConcatenatedFile(u8 filler_byte, std::multimap<u64, VirtualFile> files,
|
|
std::string name);
|
|
|
|
std::string GetName() const override;
|
|
std::size_t GetSize() const override;
|
|
bool Resize(std::size_t new_size) override;
|
|
VirtualDir GetContainingDirectory() const override;
|
|
bool IsWritable() const override;
|
|
bool IsReadable() const override;
|
|
std::size_t Read(u8* data, std::size_t length, std::size_t offset) const override;
|
|
std::size_t Write(const u8* data, std::size_t length, std::size_t offset) override;
|
|
bool Rename(std::string_view name) override;
|
|
|
|
private:
|
|
// Maps starting offset to file -- more efficient.
|
|
std::multimap<u64, VirtualFile> files;
|
|
std::string name;
|
|
};
|
|
|
|
} // namespace FileSys
|