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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 #include "base/version.h" | 5 #include "base/version.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/string_number_conversions.h" | 8 #include "base/string_number_conversions.h" |
9 #include "base/string_split.h" | 9 #include "base/string_split.h" |
10 #include "base/string_util.h" | 10 #include "base/string_util.h" |
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25 return vers; | 25 return vers; |
26 } | 26 } |
27 delete vers; | 27 delete vers; |
28 return NULL; | 28 return NULL; |
29 } | 29 } |
30 | 30 |
31 Version::Version() : is_valid_(false) {} | 31 Version::Version() : is_valid_(false) {} |
32 | 32 |
33 Version::~Version() {} | 33 Version::~Version() {} |
34 | 34 |
| 35 Version* Version::Clone() const { |
| 36 DCHECK(is_valid_); |
| 37 Version* copy = new Version(); |
| 38 copy->components_ = components_; |
| 39 copy->is_valid_ = true; |
| 40 return copy; |
| 41 } |
| 42 |
35 bool Version::Equals(const Version& that) const { | 43 bool Version::Equals(const Version& that) const { |
36 DCHECK(is_valid_); | 44 DCHECK(is_valid_); |
37 DCHECK(that.is_valid_); | 45 DCHECK(that.is_valid_); |
38 return CompareTo(that) == 0; | 46 return CompareTo(that) == 0; |
39 } | 47 } |
40 | 48 |
41 int Version::CompareTo(const Version& other) const { | 49 int Version::CompareTo(const Version& other) const { |
42 DCHECK(is_valid_); | 50 DCHECK(is_valid_); |
43 DCHECK(other.is_valid_); | 51 DCHECK(other.is_valid_); |
44 size_t count = std::min(components_.size(), other.components_.size()); | 52 size_t count = std::min(components_.size(), other.components_.size()); |
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90 return false; | 98 return false; |
91 // This throws out things like +3, or 032. | 99 // This throws out things like +3, or 032. |
92 if (base::IntToString(num) != *i) | 100 if (base::IntToString(num) != *i) |
93 return false; | 101 return false; |
94 uint16 component = static_cast<uint16>(num); | 102 uint16 component = static_cast<uint16>(num); |
95 components_.push_back(component); | 103 components_.push_back(component); |
96 } | 104 } |
97 is_valid_ = true; | 105 is_valid_ = true; |
98 return true; | 106 return true; |
99 } | 107 } |
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