security/sandbox/chromium/base/version.h@6474c204b198 (annotated)
security/sandbox/chromium/base/version.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| michael@0 | 2 | // Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 3 | // found in the LICENSE file. |
| michael@0 | 4 | |
| michael@0 | 5 | #ifndef BASE_VERSION_H_ |
| michael@0 | 6 | #define BASE_VERSION_H_ |
| michael@0 | 7 | |
| michael@0 | 8 | #include <string> |
| michael@0 | 9 | #include <vector> |
| michael@0 | 10 | |
| michael@0 | 11 | #include "base/base_export.h" |
| michael@0 | 12 | #include "base/basictypes.h" |
| michael@0 | 13 | |
| michael@0 | 14 | namespace base { |
| michael@0 | 15 | |
| michael@0 | 16 | // Version represents a dotted version number, like "1.2.3.4", supporting |
| michael@0 | 17 | // parsing and comparison. |
| michael@0 | 18 | class BASE_EXPORT Version { |
| michael@0 | 19 | public: |
| michael@0 | 20 | // The only thing you can legally do to a default constructed |
| michael@0 | 21 | // Version object is assign to it. |
| michael@0 | 22 | Version(); |
| michael@0 | 23 | |
| michael@0 | 24 | ~Version(); |
| michael@0 | 25 | |
| michael@0 | 26 | // Initializes from a decimal dotted version number, like "0.1.1". |
| michael@0 | 27 | // Each component is limited to a uint16. Call IsValid() to learn |
| michael@0 | 28 | // the outcome. |
| michael@0 | 29 | explicit Version(const std::string& version_str); |
| michael@0 | 30 | |
| michael@0 | 31 | // Returns true if the object contains a valid version number. |
| michael@0 | 32 | bool IsValid() const; |
| michael@0 | 33 | |
| michael@0 | 34 | // Returns true if the version wildcard string is valid. The version wildcard |
| michael@0 | 35 | // string may end with ".*" (e.g. 1.2.*, 1.*). Any other arrangement with "*" |
| michael@0 | 36 | // is invalid (e.g. 1.*.3 or 1.2.3*). This functions defaults to standard |
| michael@0 | 37 | // Version behavior (IsValid) if no wildcard is present. |
| michael@0 | 38 | static bool IsValidWildcardString(const std::string& wildcard_string); |
| michael@0 | 39 | |
| michael@0 | 40 | // Commonly used pattern. Given a valid version object, compare if a |
| michael@0 | 41 | // |version_str| results in a newer version. Returns true if the |
| michael@0 | 42 | // string represents valid version and if the version is greater than |
| michael@0 | 43 | // than the version of this object. |
| michael@0 | 44 | bool IsOlderThan(const std::string& version_str) const; |
| michael@0 | 45 | |
| michael@0 | 46 | bool Equals(const Version& other) const; |
| michael@0 | 47 | |
| michael@0 | 48 | // Returns -1, 0, 1 for <, ==, >. |
| michael@0 | 49 | int CompareTo(const Version& other) const; |
| michael@0 | 50 | |
| michael@0 | 51 | // Given a valid version object, compare if a |wildcard_string| results in a |
| michael@0 | 52 | // newer version. This function will default to CompareTo if the string does |
| michael@0 | 53 | // not end in wildcard sequence ".*". IsValidWildcard(wildcard_string) must be |
| michael@0 | 54 | // true before using this function. |
| michael@0 | 55 | int CompareToWildcardString(const std::string& wildcard_string) const; |
| michael@0 | 56 | |
| michael@0 | 57 | // Return the string representation of this version. |
| michael@0 | 58 | const std::string GetString() const; |
| michael@0 | 59 | |
| michael@0 | 60 | const std::vector<uint16>& components() const { return components_; } |
| michael@0 | 61 | |
| michael@0 | 62 | private: |
| michael@0 | 63 | std::vector<uint16> components_; |
| michael@0 | 64 | }; |
| michael@0 | 65 | |
| michael@0 | 66 | } // namespace base |
| michael@0 | 67 | |
| michael@0 | 68 | // TODO(xhwang) remove this when all users are updated to explicitly use the |
| michael@0 | 69 | // namespace |
| michael@0 | 70 | using base::Version; |
| michael@0 | 71 | |
| michael@0 | 72 | #endif // BASE_VERSION_H_ |
