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 "FqInstance.h" 18 19 #include <sstream> 20 21 namespace android { 22 23 static const char INSTANCE_SEP = '/'; 24 25 const std::string& FqInstance::getPackage() const { 26 return mFqName.package(); 27 } 28 29 bool FqInstance::hasPackage() const { 30 return !getPackage().empty(); 31 } 32 33 size_t FqInstance::getMajorVersion() const { 34 return hasVersion() ? mFqName.getPackageMajorVersion() : 0; 35 } 36 37 size_t FqInstance::getMinorVersion() const { 38 return hasVersion() ? mFqName.getPackageMinorVersion() : 0; 39 } 40 41 std::pair<size_t, size_t> FqInstance::getVersion() const { 42 return {getMajorVersion(), getMinorVersion()}; 43 } 44 45 bool FqInstance::hasVersion() const { 46 return mFqName.hasVersion(); 47 } 48 49 const std::string& FqInstance::getInterface() const { 50 return mFqName.getInterfaceName(); 51 } 52 53 bool FqInstance::hasInterface() const { 54 return mFqName.isInterfaceName(); 55 } 56 57 const std::string& FqInstance::getInstance() const { 58 return mInstance; 59 } 60 61 bool FqInstance::hasInstance() const { 62 return !mInstance.empty(); 63 } 64 65 bool FqInstance::setTo(const std::string& s) { 66 auto pos = s.find(INSTANCE_SEP); 67 if (!mFqName.setTo(s.substr(0, pos))) return false; 68 mInstance = pos == std::string::npos ? std::string{} : s.substr(pos + 1); 69 70 bool hasPkg = hasPackage(); 71 bool hasVer = hasVersion(); 72 bool hasIntf = hasInterface(); 73 bool hasInst = hasInstance(); 74 75 // android.hardware.foo (at) 1.0::IFoo/default 76 if (hasPkg && hasVer && hasIntf && hasInst) { 77 return true; 78 } 79 80 // @1.0::IFoo/default 81 if (!hasPkg && hasVer && hasIntf && hasInst) { 82 return true; 83 } 84 85 // IFoo/default 86 if (!hasPkg && !hasVer && hasIntf && hasInst) { 87 return true; 88 } 89 90 // Other cases are covered by FQName::setTo, but instance name should be empty. 91 return !hasInst; 92 } 93 94 bool FqInstance::setTo(const std::string& package, size_t majorVer, size_t minorVer, 95 const std::string& interface, const std::string& instance) { 96 std::stringstream ss; 97 ss << package << "@" << majorVer << "." << minorVer << "::" << interface << INSTANCE_SEP 98 << instance; 99 return setTo(ss.str()); 100 } 101 102 bool FqInstance::setTo(size_t majorVer, size_t minorVer, const std::string& interface, 103 const std::string& instance) { 104 return setTo("", majorVer, minorVer, interface, instance); 105 } 106 107 bool FqInstance::setTo(const std::string& interface, const std::string& instance) { 108 return setTo(interface + INSTANCE_SEP + instance); 109 } 110 111 std::string FqInstance::string() const { 112 std::string ret = mFqName.string(); 113 if (hasInstance()) ret += INSTANCE_SEP + mInstance; 114 return ret; 115 } 116 117 bool FqInstance::operator<(const FqInstance& other) const { 118 return string() < other.string(); 119 } 120 121 bool FqInstance::operator==(const FqInstance& other) const { 122 return string() == other.string(); 123 } 124 125 bool FqInstance::operator!=(const FqInstance& other) const { 126 return !(*this == other); 127 } 128 129 } // namespace android 130
