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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_VINTF_VERSION_H
#define ANDROID_VINTF_VERSION_H
#include <stdint.h>
#include <string>
#include <utility>
namespace android {
namespace vintf {
struct Version {
constexpr Version() : Version(0u, 0u) {}
constexpr Version(size_t mj, size_t mi) : majorVer(mj), minorVer(mi) {}
constexpr Version(const std::pair<size_t, size_t>& pair)
: majorVer(pair.first), minorVer(pair.second) {}
size_t majorVer;
size_t minorVer;
inline bool operator==(const Version &other) const {
return majorVer == other.majorVer && minorVer == other.minorVer;
}
inline bool operator!=(const Version &other) const {
return !((*this) == other);
}
inline bool operator<(const Version &other) const {
if (majorVer < other.majorVer)
return true;
if (majorVer > other.majorVer)
return false;
return minorVer < other.minorVer;
}
inline bool operator>(const Version &other) const {
return other < (*this);
}
inline bool operator<=(const Version &other) const {
return !((*this) > other);
}
inline bool operator>=(const Version &other) const {
return !((*this) < other);
}
// Version(2, 1).minorAtLeast(Version(1, 0)) == false
// Version(2, 1).minorAtLeast(Version(2, 0)) == true
// Version(2, 1).minorAtLeast(Version(2, 1)) == true
// Version(2, 1).minorAtLeast(Version(2, 2)) == false
inline bool minorAtLeast(const Version& other) const {
return majorVer == other.majorVer && minorVer >= other.minorVer;
}
};
struct KernelVersion {
constexpr KernelVersion() : KernelVersion(0u, 0u, 0u) {}
constexpr KernelVersion(size_t v, size_t mj, size_t mi) :
version(v), majorRev(mj), minorRev(mi) {}
size_t version;
size_t majorRev;
size_t minorRev;
inline bool operator==(const KernelVersion &other) const {
return version == other.version
&& majorRev == other.majorRev
&& minorRev == other.minorRev;
}
inline bool operator!=(const KernelVersion &other) const {
return !((*this) == other);
}
inline bool operator<(const KernelVersion& other) const {
if (version < other.version) return true;
if (version > other.version) return false;
if (majorRev < other.majorRev) return true;
if (majorRev > other.majorRev) return false;
return minorRev < other.minorRev;
}
};
} // namespace vintf
} // namespace android
#endif // ANDROID_VINTF_VERSION_H
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