1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "MatrixInstance.h" 18 19 #include <utility> 20 21 #include "Regex.h" 22 23 namespace android { 24 namespace vintf { 25 26 MatrixInstance::MatrixInstance() = default; 27 28 MatrixInstance::MatrixInstance(const MatrixInstance&) = default; 29 30 MatrixInstance::MatrixInstance(MatrixInstance&&) = default; 31 32 MatrixInstance& MatrixInstance::operator=(const MatrixInstance&) = default; 33 34 MatrixInstance& MatrixInstance::operator=(MatrixInstance&&) = default; 35 36 MatrixInstance::MatrixInstance(FqInstance&& fqInstance, VersionRange&& range, bool optional, 37 bool isRegex) 38 : mFqInstance(std::move(fqInstance)), 39 mRange(std::move(range)), 40 mOptional(optional), 41 mIsRegex(isRegex) {} 42 43 MatrixInstance::MatrixInstance(const FqInstance fqInstance, const VersionRange& range, 44 bool optional, bool isRegex) 45 : mFqInstance(fqInstance), mRange(range), mOptional(optional), mIsRegex(isRegex) {} 46 47 const std::string& MatrixInstance::package() const { 48 return mFqInstance.getPackage(); 49 } 50 51 const VersionRange& MatrixInstance::versionRange() const { 52 return mRange; 53 } 54 55 const std::string& MatrixInstance::interface() const { 56 return mFqInstance.getInterface(); 57 } 58 59 bool MatrixInstance::optional() const { 60 return mOptional; 61 } 62 63 bool MatrixInstance::isSatisfiedBy(const FqInstance& provided) const { 64 return package() == provided.getPackage() && 65 versionRange().supportedBy(provided.getVersion()) && 66 interface() == provided.getInterface() && matchInstance(provided.getInstance()); 67 } 68 69 bool MatrixInstance::matchInstance(const std::string& e) const { 70 if (!isRegex()) { 71 return exactInstance() == e; 72 } 73 details::Regex regex; 74 if (!regex.compile(regexPattern())) { 75 return false; 76 } 77 return regex.matches(e); 78 } 79 80 const std::string& MatrixInstance::regexPattern() const { 81 static const std::string kEmptyString; 82 return isRegex() ? mFqInstance.getInstance() : kEmptyString; 83 } 84 85 const std::string& MatrixInstance::exactInstance() const { 86 static const std::string kEmptyString; 87 return isRegex() ? kEmptyString : mFqInstance.getInstance(); 88 } 89 90 bool MatrixInstance::isRegex() const { 91 return mIsRegex; 92 } 93 94 } // namespace vintf 95 } // namespace android 96