1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/security/sandbox/chromium/base/version.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,72 @@
1.4 +// Copyright (c) 2012 The Chromium Authors. All rights reserved.
1.5 +// Use of this source code is governed by a BSD-style license that can be
1.6 +// found in the LICENSE file.
1.7 +
1.8 +#ifndef BASE_VERSION_H_
1.9 +#define BASE_VERSION_H_
1.10 +
1.11 +#include <string>
1.12 +#include <vector>
1.13 +
1.14 +#include "base/base_export.h"
1.15 +#include "base/basictypes.h"
1.16 +
1.17 +namespace base {
1.18 +
1.19 +// Version represents a dotted version number, like "1.2.3.4", supporting
1.20 +// parsing and comparison.
1.21 +class BASE_EXPORT Version {
1.22 + public:
1.23 + // The only thing you can legally do to a default constructed
1.24 + // Version object is assign to it.
1.25 + Version();
1.26 +
1.27 + ~Version();
1.28 +
1.29 + // Initializes from a decimal dotted version number, like "0.1.1".
1.30 + // Each component is limited to a uint16. Call IsValid() to learn
1.31 + // the outcome.
1.32 + explicit Version(const std::string& version_str);
1.33 +
1.34 + // Returns true if the object contains a valid version number.
1.35 + bool IsValid() const;
1.36 +
1.37 + // Returns true if the version wildcard string is valid. The version wildcard
1.38 + // string may end with ".*" (e.g. 1.2.*, 1.*). Any other arrangement with "*"
1.39 + // is invalid (e.g. 1.*.3 or 1.2.3*). This functions defaults to standard
1.40 + // Version behavior (IsValid) if no wildcard is present.
1.41 + static bool IsValidWildcardString(const std::string& wildcard_string);
1.42 +
1.43 + // Commonly used pattern. Given a valid version object, compare if a
1.44 + // |version_str| results in a newer version. Returns true if the
1.45 + // string represents valid version and if the version is greater than
1.46 + // than the version of this object.
1.47 + bool IsOlderThan(const std::string& version_str) const;
1.48 +
1.49 + bool Equals(const Version& other) const;
1.50 +
1.51 + // Returns -1, 0, 1 for <, ==, >.
1.52 + int CompareTo(const Version& other) const;
1.53 +
1.54 + // Given a valid version object, compare if a |wildcard_string| results in a
1.55 + // newer version. This function will default to CompareTo if the string does
1.56 + // not end in wildcard sequence ".*". IsValidWildcard(wildcard_string) must be
1.57 + // true before using this function.
1.58 + int CompareToWildcardString(const std::string& wildcard_string) const;
1.59 +
1.60 + // Return the string representation of this version.
1.61 + const std::string GetString() const;
1.62 +
1.63 + const std::vector<uint16>& components() const { return components_; }
1.64 +
1.65 + private:
1.66 + std::vector<uint16> components_;
1.67 +};
1.68 +
1.69 +} // namespace base
1.70 +
1.71 +// TODO(xhwang) remove this when all users are updated to explicitly use the
1.72 +// namespace
1.73 +using base::Version;
1.74 +
1.75 +#endif // BASE_VERSION_H_
