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Dees_Troy51a0e822012-09-05 15:24:24 -04001/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef _DATAMANAGER_HPP_HEADER
18#define _DATAMANAGER_HPP_HEADER
19
20#include <string>
21#include <utility>
22#include <map>
23
24using namespace std;
25
26class DataManager
27{
28public:
29 static int ResetDefaults();
30 static int LoadValues(const string filename);
31 static int Flush();
32
33 // Core get routines
34 static int GetValue(const string varName, string& value);
35 static int GetValue(const string varName, int& value);
36
37 // This is a dangerous function. It will create the value if it doesn't exist so it has a valid c_str
38 static string& GetValueRef(const string varName);
39
40 // Helper functions
41 static string GetStrValue(const string varName);
42 static int GetIntValue(const string varName);
43
44 // Core set routines
45 static int SetValue(const string varName, string value, int persist = 0);
46 static int SetValue(const string varName, int value, int persist = 0);
47 static int SetValue(const string varName, float value, int persist = 0);
48
49 static void DumpValues();
50 static void SetDefaultValues();
51 static void ReadSettingsFile(void);
52
53 static string GetCurrentStoragePath(void);
54 static string& CGetCurrentStoragePath();
55 static string GetCurrentStorageMount(void);
56 static string& CGetCurrentStorageMount();
57 static string GetSettingsStoragePath(void);
58 static string& CGetSettingsStoragePath();
59 static string GetSettingsStorageMount(void);
60 static string& CGetSettingsStorageMount();
61
62protected:
63 typedef pair<string, int> TStrIntPair;
64 typedef pair<string, TStrIntPair> TNameValuePair;
65 static map<string, TStrIntPair> mValues;
66 static string mBackingFile;
67 static int mInitialized;
68
69 static map<string, string> mConstValues;
70
71protected:
72 static int SaveValues();
73
74 static int GetMagicValue(string varName, string& value);
75
Dees_Troyfdf5fcc2012-09-11 10:27:01 -040076private:
77 static void sanitize_device_id(char* device_id);
78 static void get_device_id(void);
79
Dees_Troy51a0e822012-09-05 15:24:24 -040080};
81
82#endif // _DATAMANAGER_HPP_HEADER
83