/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_VINTF_VERSION_RANGE_H
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#define ANDROID_VINTF_VERSION_RANGE_H
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#include <stdint.h>
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#include <string>
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#include <tuple>
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#include <utility>
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#include "Version.h"
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namespace android {
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namespace vintf {
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// A version range with the same major version, e.g. 2.3-7
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struct VersionRange {
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VersionRange() : VersionRange(0u, 0u, 0u) {}
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VersionRange(size_t mjV, size_t miV) : VersionRange(mjV, miV, miV) {}
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VersionRange(size_t mjV, size_t miM, size_t mxM)
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: majorVer(mjV), minMinor(miM), maxMinor(mxM) {}
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inline Version minVer() const { return Version(majorVer, minMinor); }
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inline Version maxVer() const { return Version(majorVer, maxMinor); }
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inline bool isSingleVersion() const { return minMinor == maxMinor; }
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inline bool operator==(const VersionRange &other) const {
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return majorVer == other.majorVer
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&& minMinor == other.minMinor
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&& maxMinor == other.maxMinor;
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}
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inline bool contains(const Version &ver) const {
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return minVer() <= ver && ver <= maxVer();
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}
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// If this == 2.3-7,
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// ver == 2.2: false
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// ver == 2.3: true
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// ver == 2.7: true
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// ver == 2.8: false
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inline bool supportedBy(const Version &ver) const {
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return majorVer == ver.majorVer && minMinor <= ver.minorVer;
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}
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// If a.overlaps(b) then b.overlaps(a).
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// 1.2-4 and 2.2-4: false
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// 1.2-4 and 1.4-5: true
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// 1.2-4 and 1.0-1: false
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inline bool overlaps(const VersionRange& other) const {
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return majorVer == other.majorVer && minMinor <= other.maxMinor &&
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other.minMinor <= maxMinor;
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}
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size_t majorVer;
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size_t minMinor;
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size_t maxMinor;
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};
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} // namespace vintf
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} // namespace android
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#endif // ANDROID_VINTF_VERSION_RANGE_H
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