blob: 55d93909c523ad614653c0d2d3018aab2fe46670 (
plain)
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
|
// Copyright 2014 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Wrapper around /etc/os-release and /etc/os-release.d.
// Standard fields can come from both places depending on how we set them. They
// should always be accessed through this interface.
#ifndef LIBCHROMEOS_CHROMEOS_OSRELEASE_READER_H_
#define LIBCHROMEOS_CHROMEOS_OSRELEASE_READER_H_
#include <string>
#include <chromeos/chromeos_export.h>
#include <chromeos/key_value_store.h>
#include <gtest/gtest_prod.h>
namespace chromeos {
class CHROMEOS_EXPORT OsReleaseReader final {
public:
// Create an empty reader
OsReleaseReader() = default;
// Loads the key=value pairs from either /etc/os-release.d/<KEY> or
// /etc/os-release.
void Load();
// Same as the private Load method.
// This need to be public so that services can use it in testing mode (for
// autotest tests for example).
// This should not be used in production so suffix it with TestingOnly to
// make it obvious.
void LoadTestingOnly(const base::FilePath& root_dir);
// Getter for the given key. Returns whether the key was found on the store.
bool GetString(const std::string& key, std::string* value) const;
private:
// The map storing all the key-value pairs.
KeyValueStore store_;
// os-release can be lazily loaded if need be.
bool initialized_;
// Load the data from a given root_dir.
CHROMEOS_PRIVATE void Load(const base::FilePath& root_dir);
DISALLOW_COPY_AND_ASSIGN(OsReleaseReader);
};
} // namespace chromeos
#endif // LIBCHROMEOS_CHROMEOS_OSRELEASE_READER_H_
|
