blob: e128edaa3c938730f21617f2bca2a11677872a76 [file] [log] [blame]
// Copyright (c) 2012 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.
#include "base/file_path.h"
#include "gtest/gtest_prod.h" // for FRIEND_TEST
#include "update_engine/prefs_interface.h"
namespace chromeos_update_engine {
// Implements a preference store by storing the value associated with
// a key in a separate file named after the key under a preference
// store directory.
class Prefs : public PrefsInterface {
Prefs() {}
// Initializes the store by associating this object with |prefs_dir|
// as the preference store directory. Returns true on success, false
// otherwise.
bool Init(const FilePath& prefs_dir);
// PrefsInterface methods.
bool GetString(const std::string& key, std::string* value);
bool SetString(const std::string& key, const std::string& value);
bool GetInt64(const std::string& key, int64_t* value);
bool SetInt64(const std::string& key, const int64_t value);
bool Exists(const std::string& key);
bool Delete(const std::string& key);
FRIEND_TEST(PrefsTest, GetFileNameForKey);
FRIEND_TEST(PrefsTest, GetFileNameForKeyBadCharacter);
FRIEND_TEST(PrefsTest, GetFileNameForKeyEmpty);
// Sets |filename| to the full path to the file containing the data
// associated with |key|. Returns true on success, false otherwise.
bool GetFileNameForKey(const std::string& key, FilePath* filename);
// Preference store directory.
FilePath prefs_dir_;
} // namespace chromeos_update_engine