summaryrefslogtreecommitdiffstats
path: root/src/core/hle/service/filesystem/filesystem.h
blob: 6fd5e7b230d9185631c0f296146b0b5d9d75f5ea (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#pragma once

#include <memory>
#include "common/common_types.h"
#include "core/file_sys/directory.h"
#include "core/file_sys/vfs.h"
#include "core/hle/result.h"

namespace FileSys {
class BISFactory;
class RegisteredCache;
class RegisteredCacheUnion;
class RomFSFactory;
class SaveDataFactory;
class SDMCFactory;

enum class ContentRecordType : u8;
enum class Mode : u32;
enum class SaveDataSpaceId : u8;
enum class SaveDataType : u8;
enum class StorageId : u8;

struct SaveDataDescriptor;
struct SaveDataSize;
} // namespace FileSys

namespace Service {

namespace SM {
class ServiceManager;
} // namespace SM

namespace FileSystem {

ResultCode RegisterRomFS(std::unique_ptr<FileSys::RomFSFactory>&& factory);
ResultCode RegisterSaveData(std::unique_ptr<FileSys::SaveDataFactory>&& factory);
ResultCode RegisterSDMC(std::unique_ptr<FileSys::SDMCFactory>&& factory);
ResultCode RegisterBIS(std::unique_ptr<FileSys::BISFactory>&& factory);

void SetPackedUpdate(FileSys::VirtualFile update_raw);
ResultVal<FileSys::VirtualFile> OpenRomFSCurrentProcess();
ResultVal<FileSys::VirtualFile> OpenRomFS(u64 title_id, FileSys::StorageId storage_id,
                                          FileSys::ContentRecordType type);
ResultVal<FileSys::VirtualDir> OpenSaveData(FileSys::SaveDataSpaceId space,
                                            FileSys::SaveDataDescriptor save_struct);
ResultVal<FileSys::VirtualDir> OpenSaveDataSpace(FileSys::SaveDataSpaceId space);
ResultVal<FileSys::VirtualDir> OpenSDMC();

FileSys::SaveDataSize ReadSaveDataSize(FileSys::SaveDataType type, u64 title_id, u128 user_id);
void WriteSaveDataSize(FileSys::SaveDataType type, u64 title_id, u128 user_id,
                       FileSys::SaveDataSize new_value);

FileSys::RegisteredCacheUnion GetUnionContents();

FileSys::RegisteredCache* GetSystemNANDContents();
FileSys::RegisteredCache* GetUserNANDContents();
FileSys::RegisteredCache* GetSDMCContents();

FileSys::VirtualDir GetModificationLoadRoot(u64 title_id);
FileSys::VirtualDir GetModificationDumpRoot(u64 title_id);

// Creates the SaveData, SDMC, and BIS Factories. Should be called once and before any function
// above is called.
void CreateFactories(FileSys::VfsFilesystem& vfs, bool overwrite = true);

void InstallInterfaces(SM::ServiceManager& service_manager, FileSys::VfsFilesystem& vfs);

// A class that wraps a VfsDirectory with methods that return ResultVal and ResultCode instead of
// pointers and booleans. This makes using a VfsDirectory with switch services much easier and
// avoids repetitive code.
class VfsDirectoryServiceWrapper {
public:
    explicit VfsDirectoryServiceWrapper(FileSys::VirtualDir backing);
    ~VfsDirectoryServiceWrapper();

    /**
     * Get a descriptive name for the archive (e.g. "RomFS", "SaveData", etc.)
     */
    std::string GetName() const;

    /**
     * Create a file specified by its path
     * @param path Path relative to the Archive
     * @param size The size of the new file, filled with zeroes
     * @return Result of the operation
     */
    ResultCode CreateFile(const std::string& path, u64 size) const;

    /**
     * Delete a file specified by its path
     * @param path Path relative to the archive
     * @return Result of the operation
     */
    ResultCode DeleteFile(const std::string& path) const;

    /**
     * Create a directory specified by its path
     * @param path Path relative to the archive
     * @return Result of the operation
     */
    ResultCode CreateDirectory(const std::string& path) const;

    /**
     * Delete a directory specified by its path
     * @param path Path relative to the archive
     * @return Result of the operation
     */
    ResultCode DeleteDirectory(const std::string& path) const;

    /**
     * Delete a directory specified by its path and anything under it
     * @param path Path relative to the archive
     * @return Result of the operation
     */
    ResultCode DeleteDirectoryRecursively(const std::string& path) const;

    /**
     * Cleans the specified directory. This is similar to DeleteDirectoryRecursively,
     * in that it deletes all the contents of the specified directory, however, this
     * function does *not* delete the directory itself. It only deletes everything
     * within it.
     *
     * @param path Path relative to the archive.
     *
     * @return Result of the operation.
     */
    ResultCode CleanDirectoryRecursively(const std::string& path) const;

    /**
     * Rename a File specified by its path
     * @param src_path Source path relative to the archive
     * @param dest_path Destination path relative to the archive
     * @return Result of the operation
     */
    ResultCode RenameFile(const std::string& src_path, const std::string& dest_path) const;

    /**
     * Rename a Directory specified by its path
     * @param src_path Source path relative to the archive
     * @param dest_path Destination path relative to the archive
     * @return Result of the operation
     */
    ResultCode RenameDirectory(const std::string& src_path, const std::string& dest_path) const;

    /**
     * Open a file specified by its path, using the specified mode
     * @param path Path relative to the archive
     * @param mode Mode to open the file with
     * @return Opened file, or error code
     */
    ResultVal<FileSys::VirtualFile> OpenFile(const std::string& path, FileSys::Mode mode) const;

    /**
     * Open a directory specified by its path
     * @param path Path relative to the archive
     * @return Opened directory, or error code
     */
    ResultVal<FileSys::VirtualDir> OpenDirectory(const std::string& path);

    /**
     * Get the free space
     * @return The number of free bytes in the archive
     */
    u64 GetFreeSpaceSize() const;

    /**
     * Get the type of the specified path
     * @return The type of the specified path or error code
     */
    ResultVal<FileSys::EntryType> GetEntryType(const std::string& path) const;

private:
    FileSys::VirtualDir backing;
};

} // namespace FileSystem
} // namespace Service