1 /* 2 * Copyright 2019 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 #pragma once 18 19 #include "fields/packet_field.h" 20 #include "fields/size_field.h" 21 #include "parse_location.h" 22 #include "type_def.h" 23 24 class VectorField : public PacketField { 25 public: 26 VectorField(std::string name, int element_size, std::string size_modifier, ParseLocation loc); 27 28 VectorField(std::string name, TypeDef* type_def, std::string size_modifier, ParseLocation loc); 29 30 static const std::string kFieldType; 31 32 virtual const std::string& GetFieldType() const override; 33 34 virtual Size GetSize() const override; 35 36 virtual Size GetBuilderSize() const override; 37 38 virtual Size GetStructSize() const override; 39 40 virtual std::string GetDataType() const override; 41 42 virtual void GenExtractor(std::ostream& s, int num_leading_bits, bool for_struct) const override; 43 44 virtual std::string GetGetterFunctionName() const override; 45 46 virtual void GenGetter(std::ostream& s, Size start_offset, Size end_offset) const override; 47 48 virtual std::string GetBuilderParameterType() const override; 49 50 virtual bool BuilderParameterMustBeMoved() const override; 51 52 virtual bool GenBuilderMember(std::ostream& s) const override; 53 54 virtual bool HasParameterValidator() const override; 55 56 virtual void GenParameterValidator(std::ostream& s) const override; 57 58 virtual void GenInserter(std::ostream& s) const override; 59 60 virtual void GenValidator(std::ostream&) const override; 61 62 void SetSizeField(const SizeField* size_field); 63 64 const std::string& GetSizeModifier() const; 65 66 virtual bool IsContainerField() const override; 67 68 virtual const PacketField* GetElementField() const override; 69 70 virtual void GenStringRepresentation(std::ostream& s, std::string accessor) const override; 71 72 virtual std::string GetRustDataType() const override; 73 74 void GenRustGetter(std::ostream& s, Size start_offset, Size end_offset) const override; 75 76 void GenRustWriter(std::ostream& s, Size start_offset, Size end_offset) const override; 77 78 void GenBoundsCheck(std::ostream& s, Size start_offset, Size end_offset, std::string context) const override; 79 80 const std::string name_; 81 82 const PacketField* element_field_{nullptr}; 83 84 const Size element_size_{}; 85 86 // Size is always in bytes, unless it is a count. 87 const SizeField* size_field_{nullptr}; 88 89 // Size modifier is only used when size_field_ is of type SIZE and is not used with COUNT. 90 std::string size_modifier_{""}; 91 }; 92