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Virtual Filesystem (#597)

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* Add VfsFile and VfsDirectory classes

* Finish abstract Vfs classes

* Implement RealVfsFile (computer fs backend)

* Finish RealVfsFile and RealVfsDirectory

* Finished OffsetVfsFile

* More changes

* Fix import paths

* Major refactor

* Remove double const

* Use experimental/filesystem or filesystem depending on compiler

* Port partition_filesystem

* More changes

* More Overhaul

* FSP_SRV fixes

* Fixes and testing

* Try to get filesystem to compile

* Filesystem on linux

* Remove std::filesystem and document/test

* Compile fixes

* Missing include

* Bug fixes

* Fixes

* Rename v_file and v_dir

* clang-format fix

* Rename NGLOG_* to LOG_*

* Most review changes

* Fix TODO

* Guess 'main' to be Directory by filename
This commit is contained in:
Zach Hilman
2018-07-06 10:51:32 -04:00
committed by bunnei
parent 51bd76a5fd
commit 77c684c114
45 changed files with 1796 additions and 1688 deletions
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65
src/core/file_sys/vfs_real.h Normal file
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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/file_util.h"
#include "core/file_sys/filesystem.h"
#include "core/file_sys/vfs.h"
namespace FileSys {
// An implmentation of VfsFile that represents a file on the user's computer.
struct RealVfsFile : public VfsFile {
RealVfsFile(const std::string& name, Mode perms = Mode::Read);
std::string GetName() const override;
size_t GetSize() const override;
bool Resize(size_t new_size) override;
std::shared_ptr<VfsDirectory> GetContainingDirectory() const override;
bool IsWritable() const override;
bool IsReadable() const override;
size_t Read(u8* data, size_t length, size_t offset) const override;
size_t Write(const u8* data, size_t length, size_t offset) override;
bool Rename(const std::string& name) override;
private:
FileUtil::IOFile backing;
std::string path;
std::string parent_path;
std::vector<std::string> path_components;
std::vector<std::string> parent_components;
Mode perms;
};
// An implementation of VfsDirectory that represents a directory on the user's computer.
struct RealVfsDirectory : public VfsDirectory {
RealVfsDirectory(const std::string& path, Mode perms);
std::vector<std::shared_ptr<VfsFile>> GetFiles() const override;
std::vector<std::shared_ptr<VfsDirectory>> GetSubdirectories() const override;
bool IsWritable() const override;
bool IsReadable() const override;
std::string GetName() const override;
std::shared_ptr<VfsDirectory> GetParentDirectory() const override;
std::shared_ptr<VfsDirectory> CreateSubdirectory(const std::string& name) override;
std::shared_ptr<VfsFile> CreateFile(const std::string& name) override;
bool DeleteSubdirectory(const std::string& name) override;
bool DeleteFile(const std::string& name) override;
bool Rename(const std::string& name) override;
protected:
bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
private:
std::string path;
std::string parent_path;
std::vector<std::string> path_components;
std::vector<std::string> parent_components;
Mode perms;
std::vector<std::shared_ptr<VfsFile>> files;
std::vector<std::shared_ptr<VfsDirectory>> subdirectories;
};
} // namespace FileSys