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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_VERSION_H_ | 5 #ifndef BASE_VERSION_H_ |
6 #define BASE_VERSION_H_ | 6 #define BASE_VERSION_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/basictypes.h" | 12 #include "base/basictypes.h" |
13 #include "base/gtest_prod_util.h" | 13 #include "base/gtest_prod_util.h" |
14 | 14 |
15 // Version represents a dotted version number, like "1.2.3.4", supporting | 15 // Version represents a dotted version number, like "1.2.3.4", supporting |
16 // parsing and comparison. | 16 // parsing and comparison. |
17 // Each component is limited to a uint16. | 17 // Each component is limited to a uint16. |
18 class Version { | 18 class Version { |
19 public: | 19 public: |
20 // The version string must be made up of 1 or more uint16's separated | |
21 // by '.'. Returns NULL if string is not in this format. | |
22 // Caller is responsible for freeing the Version object once done. | |
23 static Version* GetVersionFromString(const std::string& version_str); | |
24 | |
25 // Exposed only so that a Version can be stored in STL containers; | 20 // Exposed only so that a Version can be stored in STL containers; |
26 // any call to the methods below on a default-constructed Version | 21 // any call to the methods below on a default-constructed Version |
27 // will DCHECK. | 22 // will DCHECK. |
28 Version(); | 23 Version(); |
29 | 24 |
30 ~Version(); | 25 ~Version(); |
31 | 26 |
| 27 // The version string must be made up of 1 or more uint16's separated |
| 28 // by '.'. Returns NULL if string is not in this format. |
| 29 // Caller is responsible for freeing the Version object once done. |
| 30 static Version* GetVersionFromString(const std::string& version_str); |
| 31 |
32 // Creates a copy of this version. Caller takes ownership. | 32 // Creates a copy of this version. Caller takes ownership. |
33 Version* Clone() const; | 33 Version* Clone() const; |
34 | 34 |
35 bool Equals(const Version& other) const; | 35 bool Equals(const Version& other) const; |
36 | 36 |
37 // Returns -1, 0, 1 for <, ==, >. | 37 // Returns -1, 0, 1 for <, ==, >. |
38 int CompareTo(const Version& other) const; | 38 int CompareTo(const Version& other) const; |
39 | 39 |
40 // Return the string representation of this version. | 40 // Return the string representation of this version. |
41 const std::string GetString() const; | 41 const std::string GetString() const; |
42 | 42 |
43 const std::vector<uint16>& components() const { return components_; } | 43 const std::vector<uint16>& components() const { return components_; } |
44 | 44 |
45 private: | 45 private: |
46 bool InitFromString(const std::string& version_str); | 46 bool InitFromString(const std::string& version_str); |
47 | 47 |
48 bool is_valid_; | 48 bool is_valid_; |
49 std::vector<uint16> components_; | 49 std::vector<uint16> components_; |
50 | 50 |
51 FRIEND_TEST_ALL_PREFIXES(VersionTest, DefaultConstructor); | 51 FRIEND_TEST_ALL_PREFIXES(VersionTest, DefaultConstructor); |
52 FRIEND_TEST_ALL_PREFIXES(VersionTest, GetVersionFromString); | 52 FRIEND_TEST_ALL_PREFIXES(VersionTest, GetVersionFromString); |
53 FRIEND_TEST_ALL_PREFIXES(VersionTest, Compare); | 53 FRIEND_TEST_ALL_PREFIXES(VersionTest, Compare); |
54 }; | 54 }; |
55 | 55 |
56 #endif // BASE_VERSION_H_ | 56 #endif // BASE_VERSION_H_ |
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