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
|
// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PERSISTENT_CACHE_SQLITE_VFS_SQLITE_DATABASE_VFS_FILE_SET_H_
#define COMPONENTS_PERSISTENT_CACHE_SQLITE_VFS_SQLITE_DATABASE_VFS_FILE_SET_H_
#include <array>
#include <memory>
#include "base/component_export.h"
#include "base/files/file.h"
#include "base/files/file_path.h"
#include "components/persistent_cache/sqlite/vfs/sandboxed_file.h"
namespace persistent_cache {
// Contains `SanboxedFile` representations of the files necessary to the use of
// an `sql::Database`.
//
// This class owns the `SandboxedFile` files and must outlive any use of them.
class COMPONENT_EXPORT(PERSISTENT_CACHE) SqliteVfsFileSet {
public:
SqliteVfsFileSet(std::unique_ptr<SandboxedFile> db_file,
std::unique_ptr<SandboxedFile> journal_file);
SqliteVfsFileSet(SqliteVfsFileSet& other) = delete;
SqliteVfsFileSet& operator=(const SqliteVfsFileSet& other) = delete;
SqliteVfsFileSet(SqliteVfsFileSet&& other);
SqliteVfsFileSet& operator=(SqliteVfsFileSet&& other);
~SqliteVfsFileSet();
// Returns sandboxed files along with the virtual file paths through which
// `SqliteSandboxedVfsDelegate` will expose them to `sql::Database`.
std::array<std::pair<base::FilePath, raw_ptr<SandboxedFile>>, 2> GetFiles()
const;
// Generates a valid name that can be passed to `sql::database`'s constructor.
base::FilePath GetDbVirtualFilePath() const;
private:
base::FilePath GetJournalVirtualFilePath() const;
std::unique_ptr<SandboxedFile> db_file_;
std::unique_ptr<SandboxedFile> journal_file_;
// SQLite databases use standard naming for their files. Since the vfs might
// register files for many databases at once it needs some way to
// differentiate them. This is guaranteed to be unique because it is based on
// a monotonically increasing integer.
std::string virtual_fs_path_;
};
} // namespace persistent_cache
#endif // COMPONENTS_PERSISTENT_CACHE_SQLITE_VFS_SQLITE_DATABASE_VFS_FILE_SET_H_
|
