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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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85
src/core/file_sys/romfs_filesystem.h
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@@ -1,85 +0,0 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <cstddef>
#include <memory>
#include <string>
#include <vector>
#include "common/common_types.h"
#include "common/file_util.h"
#include "core/file_sys/directory.h"
#include "core/file_sys/filesystem.h"
#include "core/file_sys/storage.h"
#include "core/hle/result.h"
namespace FileSys {
/**
* Helper which implements an interface to deal with Switch .istorage ROMFS images used in some
* archives This should be subclassed by concrete archive types, which will provide the input data
* (load the raw ROMFS archive) and override any required methods
*/
class RomFS_FileSystem : public FileSystemBackend {
public:
RomFS_FileSystem(std::shared_ptr<FileUtil::IOFile> file, u64 offset, u64 size)
: romfs_file(file), data_offset(offset), data_size(size) {}
std::string GetName() const override;
ResultVal<std::unique_ptr<StorageBackend>> OpenFile(const std::string& path,
Mode mode) const override;
ResultCode DeleteFile(const std::string& path) const override;
ResultCode RenameFile(const std::string& src_path, const std::string& dest_path) const override;
ResultCode DeleteDirectory(const Path& path) const override;
ResultCode DeleteDirectoryRecursively(const Path& path) const override;
ResultCode CreateFile(const std::string& path, u64 size) const override;
ResultCode CreateDirectory(const std::string& path) const override;
ResultCode RenameDirectory(const Path& src_path, const Path& dest_path) const override;
ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(
const std::string& path) const override;
u64 GetFreeSpaceSize() const override;
ResultVal<EntryType> GetEntryType(const std::string& path) const override;
protected:
std::shared_ptr<FileUtil::IOFile> romfs_file;
u64 data_offset;
u64 data_size;
};
class RomFS_Storage : public StorageBackend {
public:
RomFS_Storage(std::shared_ptr<FileUtil::IOFile> file, u64 offset, u64 size)
: romfs_file(file), data_offset(offset), data_size(size) {}
ResultVal<size_t> Read(u64 offset, size_t length, u8* buffer) const override;
ResultVal<size_t> Write(u64 offset, size_t length, bool flush, const u8* buffer) const override;
u64 GetSize() const override;
bool SetSize(u64 size) const override;
bool Close() const override {
return false;
}
void Flush() const override {}
private:
std::shared_ptr<FileUtil::IOFile> romfs_file;
u64 data_offset;
u64 data_size;
};
class ROMFSDirectory : public DirectoryBackend {
public:
u64 Read(const u64 count, Entry* entries) override {
return 0;
}
u64 GetEntryCount() const override {
return 0;
}
bool Close() const override {
return false;
}
};
} // namespace FileSys