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 #ifndef ANNOTATION_H_ 18 19 #define ANNOTATION_H_ 20 21 #include <android-base/macros.h> 22 #include <map> 23 #include <string> 24 #include <vector> 25 26 #include "ConstantExpression.h" 27 28 namespace android { 29 30 struct Formatter; 31 32 struct AnnotationParam { ~AnnotationParamAnnotationParam33 virtual ~AnnotationParam() {} 34 35 const std::string& getName() const; 36 37 virtual std::vector<std::string> getValues() const = 0; 38 virtual std::string getSingleValue() const = 0; 39 40 /* Returns unquoted version of getSingleValue */ 41 std::string getSingleString() const; 42 43 /* Returns value interpretted as a boolean */ 44 bool getSingleBool() const; 45 46 std::vector<ConstantExpression*> getConstantExpressions(); 47 virtual std::vector<const ConstantExpression*> getConstantExpressions() const; 48 49 protected: 50 const std::string mName; 51 52 AnnotationParam(const std::string& name); 53 }; 54 55 struct StringAnnotationParam : AnnotationParam { 56 StringAnnotationParam(const std::string& name, std::vector<std::string>* values); 57 58 std::vector<std::string> getValues() const override; 59 std::string getSingleValue() const override; 60 61 private: 62 std::vector<std::string>* const mValues; 63 }; 64 65 struct ConstantExpressionAnnotationParam : AnnotationParam { 66 ConstantExpressionAnnotationParam(const std::string& name, 67 std::vector<ConstantExpression*>* values); 68 69 std::vector<std::string> getValues() const override; 70 std::string getSingleValue() const override; 71 72 std::vector<const ConstantExpression*> getConstantExpressions() const override; 73 74 private: 75 std::vector<ConstantExpression*>* const mValues; 76 }; 77 78 using AnnotationParamVector = std::vector<AnnotationParam*>; 79 80 struct Annotation { 81 Annotation(const char *name, AnnotationParamVector *params); 82 83 std::string name() const; 84 const AnnotationParamVector ¶ms() const; 85 const AnnotationParam *getParam(const std::string &name) const; 86 87 std::vector<ConstantExpression*> getConstantExpressions(); 88 std::vector<const ConstantExpression*> getConstantExpressions() const; 89 90 void dump(Formatter &out) const; 91 92 private: 93 std::string mName; 94 AnnotationParamVector *mParams; 95 96 DISALLOW_COPY_AND_ASSIGN(Annotation); 97 }; 98 99 } // namespace android 100 101 #endif // ANNOTATION_H_ 102