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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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30
src/core/loader/loader.h
View file

@ -13,6 +13,7 @@
#include <boost/optional.hpp>
#include "common/common_types.h"
#include "common/file_util.h"
#include "core/file_sys/vfs.h"
#include "core/hle/kernel/kernel.h"
namespace Kernel {
@ -36,10 +37,9 @@ enum class FileType {
/**
* Identifies the type of a bootable file based on the magic value in its header.
* @param file open file
* @param filepath Path of the file that we are opening.
* @return FileType of file
*/
FileType IdentifyFile(FileUtil::IOFile& file, const std::string& filepath);
FileType IdentifyFile(FileSys::VirtualFile file);
/**
* Identifies the type of a bootable file based on the magic value in its header.
@ -50,12 +50,12 @@ FileType IdentifyFile(FileUtil::IOFile& file, const std::string& filepath);
FileType IdentifyFile(const std::string& file_name);
/**
* Guess the type of a bootable file from its extension
* @param extension String extension of bootable file
* Guess the type of a bootable file from its name
* @param name String name of bootable file
* @return FileType of file. Note: this will return FileType::Unknown if it is unable to determine
* a filetype, and will never return FileType::Error.
*/
FileType GuessFromExtension(const std::string& extension);
FileType GuessFromFilename(const std::string& name);
/**
* Convert a FileType into a string which can be displayed to the user.
@ -79,7 +79,7 @@ enum class ResultStatus {
/// Interface for loading an application
class AppLoader : NonCopyable {
public:
AppLoader(FileUtil::IOFile&& file) : file(std::move(file)) {}
AppLoader(FileSys::VirtualFile file) : file(std::move(file)) {}
virtual ~AppLoader() {}
/**
@ -154,26 +154,20 @@ public:
/**
* Get the RomFS of the application
* Since the RomFS can be huge, we return a file reference instead of copying to a buffer
* @param romfs_file The file containing the RomFS
* @param offset The offset the romfs begins on
* @param size The size of the romfs
* @param file The file containing the RomFS
* @return ResultStatus result of function
*/
virtual ResultStatus ReadRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file, u64& offset,
u64& size) {
virtual ResultStatus ReadRomFS(FileSys::VirtualFile& dir) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the update RomFS of the application
* Since the RomFS can be huge, we return a file reference instead of copying to a buffer
* @param romfs_file The file containing the RomFS
* @param offset The offset the romfs begins on
* @param size The size of the romfs
* @param file The file containing the RomFS
* @return ResultStatus result of function
*/
virtual ResultStatus ReadUpdateRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file, u64& offset,
u64& size) {
virtual ResultStatus ReadUpdateRomFS(FileSys::VirtualFile& file) {
return ResultStatus::ErrorNotImplemented;
}
@ -187,7 +181,7 @@ public:
}
protected:
FileUtil::IOFile file;
FileSys::VirtualFile file;
bool is_loaded = false;
};
@ -202,6 +196,6 @@ extern const std::initializer_list<Kernel::AddressMapping> default_address_mappi
* @param filename String filename of bootable file
* @return best loader for this file
*/
std::unique_ptr<AppLoader> GetLoader(const std::string& filename);
std::unique_ptr<AppLoader> GetLoader(FileSys::VirtualFile file);
} // namespace Loader