065867e2c2
* common: fs: fs_types: Create filesystem types Contains various filesystem types used by the Common::FS library * common: fs: fs_util: Add std::string to std::u8string conversion utility * common: fs: path_util: Add utlity functions for paths Contains various utility functions for getting or manipulating filesystem paths used by the Common::FS library * common: fs: file: Rewrite the IOFile implementation * common: fs: Reimplement Common::FS library using std::filesystem * common: fs: fs_paths: Add fs_paths to replace common_paths * common: fs: path_util: Add the rest of the path functions * common: Remove the previous Common::FS implementation * general: Remove unused fs includes * string_util: Remove unused function and include * nvidia_flags: Migrate to the new Common::FS library * settings: Migrate to the new Common::FS library * logging: backend: Migrate to the new Common::FS library * core: Migrate to the new Common::FS library * perf_stats: Migrate to the new Common::FS library * reporter: Migrate to the new Common::FS library * telemetry_session: Migrate to the new Common::FS library * key_manager: Migrate to the new Common::FS library * bis_factory: Migrate to the new Common::FS library * registered_cache: Migrate to the new Common::FS library * xts_archive: Migrate to the new Common::FS library * service: acc: Migrate to the new Common::FS library * applets/profile: Migrate to the new Common::FS library * applets/web: Migrate to the new Common::FS library * service: filesystem: Migrate to the new Common::FS library * loader: Migrate to the new Common::FS library * gl_shader_disk_cache: Migrate to the new Common::FS library * nsight_aftermath_tracker: Migrate to the new Common::FS library * vulkan_library: Migrate to the new Common::FS library * configure_debug: Migrate to the new Common::FS library * game_list_worker: Migrate to the new Common::FS library * config: Migrate to the new Common::FS library * configure_filesystem: Migrate to the new Common::FS library * configure_per_game_addons: Migrate to the new Common::FS library * configure_profile_manager: Migrate to the new Common::FS library * configure_ui: Migrate to the new Common::FS library * input_profiles: Migrate to the new Common::FS library * yuzu_cmd: config: Migrate to the new Common::FS library * yuzu_cmd: Migrate to the new Common::FS library * vfs_real: Migrate to the new Common::FS library * vfs: Migrate to the new Common::FS library * vfs_libzip: Migrate to the new Common::FS library * service: bcat: Migrate to the new Common::FS library * yuzu: main: Migrate to the new Common::FS library * vfs_real: Delete the contents of an existing file in CreateFile Current usages of CreateFile expect to delete the contents of an existing file, retain this behavior for now. * input_profiles: Don't iterate the input profile dir if it does not exist Silences an error produced in the log if the directory does not exist. * game_list_worker: Skip parsing file if the returned VfsFile is nullptr Prevents crashes in GetLoader when the virtual file is nullptr * common: fs: Validate paths for path length * service: filesystem: Open the mod load directory as read only
115 lines
4.4 KiB
C++
115 lines
4.4 KiB
C++
// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <string_view>
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#include <boost/container/flat_map.hpp>
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#include "core/file_sys/mode.h"
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#include "core/file_sys/vfs.h"
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namespace Common::FS {
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class IOFile;
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}
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namespace FileSys {
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class RealVfsFilesystem : public VfsFilesystem {
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public:
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RealVfsFilesystem();
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~RealVfsFilesystem() override;
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std::string GetName() const override;
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bool IsReadable() const override;
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bool IsWritable() const override;
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VfsEntryType GetEntryType(std::string_view path) const override;
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VirtualFile OpenFile(std::string_view path, Mode perms = Mode::Read) override;
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VirtualFile CreateFile(std::string_view path, Mode perms = Mode::ReadWrite) override;
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VirtualFile CopyFile(std::string_view old_path, std::string_view new_path) override;
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VirtualFile MoveFile(std::string_view old_path, std::string_view new_path) override;
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bool DeleteFile(std::string_view path) override;
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VirtualDir OpenDirectory(std::string_view path, Mode perms = Mode::Read) override;
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VirtualDir CreateDirectory(std::string_view path, Mode perms = Mode::ReadWrite) override;
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VirtualDir CopyDirectory(std::string_view old_path, std::string_view new_path) override;
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VirtualDir MoveDirectory(std::string_view old_path, std::string_view new_path) override;
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bool DeleteDirectory(std::string_view path) override;
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private:
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boost::container::flat_map<std::string, std::weak_ptr<Common::FS::IOFile>> cache;
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};
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// An implmentation of VfsFile that represents a file on the user's computer.
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class RealVfsFile : public VfsFile {
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friend class RealVfsDirectory;
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friend class RealVfsFilesystem;
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public:
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~RealVfsFile() override;
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std::string GetName() const override;
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std::size_t GetSize() const override;
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bool Resize(std::size_t new_size) override;
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VirtualDir GetContainingDirectory() const override;
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bool IsWritable() const override;
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bool IsReadable() const override;
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std::size_t Read(u8* data, std::size_t length, std::size_t offset) const override;
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std::size_t Write(const u8* data, std::size_t length, std::size_t offset) override;
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bool Rename(std::string_view name) override;
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private:
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RealVfsFile(RealVfsFilesystem& base, std::shared_ptr<Common::FS::IOFile> backing,
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const std::string& path, Mode perms = Mode::Read);
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void Close();
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RealVfsFilesystem& base;
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std::shared_ptr<Common::FS::IOFile> backing;
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std::string path;
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std::string parent_path;
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std::vector<std::string> path_components;
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Mode perms;
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};
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// An implementation of VfsDirectory that represents a directory on the user's computer.
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class RealVfsDirectory : public VfsDirectory {
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friend class RealVfsFilesystem;
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public:
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~RealVfsDirectory() override;
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VirtualFile GetFileRelative(std::string_view relative_path) const override;
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VirtualDir GetDirectoryRelative(std::string_view relative_path) const override;
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VirtualFile GetFile(std::string_view name) const override;
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VirtualDir GetSubdirectory(std::string_view name) const override;
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VirtualFile CreateFileRelative(std::string_view relative_path) override;
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VirtualDir CreateDirectoryRelative(std::string_view relative_path) override;
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bool DeleteSubdirectoryRecursive(std::string_view name) override;
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std::vector<VirtualFile> GetFiles() const override;
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std::vector<VirtualDir> GetSubdirectories() const override;
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bool IsWritable() const override;
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bool IsReadable() const override;
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std::string GetName() const override;
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VirtualDir GetParentDirectory() const override;
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VirtualDir CreateSubdirectory(std::string_view name) override;
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VirtualFile CreateFile(std::string_view name) override;
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bool DeleteSubdirectory(std::string_view name) override;
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bool DeleteFile(std::string_view name) override;
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bool Rename(std::string_view name) override;
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std::string GetFullPath() const override;
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std::map<std::string, VfsEntryType, std::less<>> GetEntries() const override;
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private:
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RealVfsDirectory(RealVfsFilesystem& base, const std::string& path, Mode perms = Mode::Read);
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template <typename T, typename R>
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std::vector<std::shared_ptr<R>> IterateEntries() const;
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RealVfsFilesystem& base;
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std::string path;
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std::string parent_path;
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std::vector<std::string> path_components;
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Mode perms;
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};
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} // namespace FileSys
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