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94 lines
3.4 KiB
94 lines
3.4 KiB
/*
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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_MATRIX_HAL_H
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#define ANDROID_VINTF_MATRIX_HAL_H
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#include <map>
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#include <set>
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#include <string>
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#include <vector>
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#include "HalFormat.h"
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#include "HalInterface.h"
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#include "MatrixInstance.h"
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#include "VersionRange.h"
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namespace android {
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namespace vintf {
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// A HAL entry to a compatibility matrix
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struct MatrixHal {
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using InstanceType = MatrixInstance;
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bool operator==(const MatrixHal &other) const;
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// Check whether the MatrixHal contains the given version.
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bool containsVersion(const Version& version) const;
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HalFormat format = HalFormat::HIDL;
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std::string name;
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std::vector<VersionRange> versionRanges;
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bool optional = false;
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std::map<std::string, HalInterface> interfaces;
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inline const std::string& getName() const { return name; }
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// Assumes isValid().
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bool forEachInstance(const std::function<bool(const MatrixInstance&)>& func) const;
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private:
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friend struct HalManifest;
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friend struct CompatibilityMatrix;
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friend struct MatrixHalConverter;
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// Whether this hal is a valid one. Note that an empty MatrixHal
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// (constructed via MatrixHal()) is valid.
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[[nodiscard]] bool isValid(std::string* error = nullptr) const;
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friend std::string expandInstances(const MatrixHal& req, const VersionRange& vr, bool brace);
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friend std::vector<std::string> expandInstances(const MatrixHal& req);
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// Loop over interface/instance for a specific VersionRange.
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// Assumes isValid().
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bool forEachInstance(const VersionRange& vr,
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const std::function<bool(const MatrixInstance&)>& func) const;
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// Loop over interface/instance. VersionRange is supplied to the function as a vector.
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// Assumes isValid().
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bool forEachInstance(
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const std::function<bool(const std::vector<VersionRange>&, const std::string&,
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const std::string& instanceOrPattern, bool isRegex)>& func) const;
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bool isCompatible(const std::set<FqInstance>& providedInstances,
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const std::set<Version>& providedVersions) const;
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bool isCompatible(const VersionRange& vr, const std::set<FqInstance>& providedInstances,
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const std::set<Version>& providedVersions) const;
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void setOptional(bool o);
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void insertVersionRanges(const std::vector<VersionRange>& other);
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// Return size of all interface/instance pairs.
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size_t instancesCount() const;
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void insertInstance(const std::string& interface, const std::string& instance, bool isRegex);
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// Remove a specific interface/instances. Return true if removed, false otherwise.
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bool removeInstance(const std::string& interface, const std::string& instance, bool isRegex);
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// Remove all <interface> tags.
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void clearInstances();
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};
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} // namespace vintf
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} // namespace android
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#endif // ANDROID_VINTF_MATRIX_HAL_H
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