1 /* 2 * Copyright (C) 2016 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 "Annotation.h" 18 19 #include <android-base/logging.h> 20 #include <hidl-util/Formatter.h> 21 #include <hidl-util/StringHelper.h> 22 #include <vector> 23 24 namespace android { 25 26 27 AnnotationParam::AnnotationParam(const std::string &name, 28 std::vector<std::string> *values) 29 : mName(name), mValues(values) {} 30 31 AnnotationParam::AnnotationParam(const std::string &name, 32 std::vector<ConstantExpression *> *values) 33 : mName(name) { 34 mValues = new std::vector<std::string>(); 35 for(ConstantExpression *ce : *values) { 36 mValues->push_back(ce->value() + " /* " + ce->description() + " */"); 37 } 38 } 39 40 const std::string &AnnotationParam::getName() const { 41 return mName; 42 } 43 44 const std::vector<std::string> *AnnotationParam::getValues() const { 45 return mValues; 46 } 47 48 const std::string &AnnotationParam::getSingleValue() const { 49 CHECK_EQ(mValues->size(), 1u) << mName << " requires one values but has multiple"; 50 return mValues->at(0); 51 } 52 53 std::string AnnotationParam::getSingleString() const { 54 std::string value = getSingleValue(); 55 56 CHECK(value.size() >= 2 && value[0] == '"' && value[value.size() - 1] == '"') 57 << mName << " must be a string"; 58 59 // unquote string 60 value = value.substr(1, value.size() - 2); 61 62 return value; 63 } 64 65 bool AnnotationParam::getSingleBool() const { 66 std::string value = getSingleString(); 67 68 if (value == "true") { 69 return true; 70 } else if (value == "false") { 71 return false; 72 } 73 74 CHECK(false) << mName << " must be of boolean value (true/false)."; 75 return false; 76 } 77 78 Annotation::Annotation(const char *name,AnnotationParamVector *params) 79 : mName(name), 80 mParams(params) { 81 } 82 83 std::string Annotation::name() const { 84 return mName; 85 } 86 87 const AnnotationParamVector &Annotation::params() const { 88 return *mParams; 89 } 90 91 const AnnotationParam *Annotation::getParam(const std::string &name) const { 92 for (auto *i: *mParams) { 93 if (i->getName() == name) { 94 return i; 95 } 96 } 97 98 return nullptr; 99 } 100 101 void Annotation::dump(Formatter &out) const { 102 out << "@" << mName; 103 104 if (mParams->size() == 0) { 105 return; 106 } 107 108 out << "("; 109 110 for (size_t i = 0; i < mParams->size(); ++i) { 111 if (i > 0) { 112 out << ", "; 113 } 114 115 const AnnotationParam* param = mParams->at(i); 116 117 out << param->getName() << "="; 118 119 const std::vector<std::string> *values = param->getValues(); 120 if (values->size() > 1) { 121 out << "{"; 122 } 123 124 out << StringHelper::JoinStrings(*values, ", "); 125 126 if (values->size() > 1) { 127 out << "}"; 128 } 129 } 130 131 out << ")"; 132 } 133 134 } // namespace android 135 136
