1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2008 Google Inc. All rights reserved. 3 // https://developers.google.com/protocol-buffers/ 4 // 5 // Redistribution and use in source and binary forms, with or without 6 // modification, are permitted provided that the following conditions are 7 // met: 8 // 9 // * Redistributions of source code must retain the above copyright 10 // notice, this list of conditions and the following disclaimer. 11 // * Redistributions in binary form must reproduce the above 12 // copyright notice, this list of conditions and the following disclaimer 13 // in the documentation and/or other materials provided with the 14 // distribution. 15 // * Neither the name of Google Inc. nor the names of its 16 // contributors may be used to endorse or promote products derived from 17 // this software without specific prior written permission. 18 // 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 // Author: kenton@google.com (Kenton Varda) 32 // Based on original Protocol Buffers design by 33 // Sanjay Ghemawat, Jeff Dean, and others. 34 35 #ifndef GOOGLE_PROTOBUF_COMPILER_CPP_STRING_FIELD_H__ 36 #define GOOGLE_PROTOBUF_COMPILER_CPP_STRING_FIELD_H__ 37 38 #include <map> 39 #include <string> 40 41 #include <google/protobuf/compiler/cpp/field.h> 42 43 namespace google { 44 namespace protobuf { 45 namespace compiler { 46 namespace cpp { 47 48 class StringFieldGenerator : public FieldGenerator { 49 public: 50 StringFieldGenerator(const FieldDescriptor* descriptor, 51 const Options& options); 52 ~StringFieldGenerator() override; 53 54 // implements FieldGenerator --------------------------------------- 55 void GeneratePrivateMembers(io::Printer* printer) const override; 56 void GenerateStaticMembers(io::Printer* printer) const override; 57 void GenerateAccessorDeclarations(io::Printer* printer) const override; 58 void GenerateInlineAccessorDefinitions(io::Printer* printer) const override; 59 void GenerateNonInlineAccessorDefinitions( 60 io::Printer* printer) const override; 61 void GenerateClearingCode(io::Printer* printer) const override; 62 void GenerateMessageClearingCode(io::Printer* printer) const override; 63 void GenerateMergingCode(io::Printer* printer) const override; 64 void GenerateSwappingCode(io::Printer* printer) const override; 65 void GenerateConstructorCode(io::Printer* printer) const override; 66 void GenerateCreateSplitMessageCode(io::Printer* printer) const override; 67 void GenerateCopyConstructorCode(io::Printer* printer) const override; 68 void GenerateDestructorCode(io::Printer* printer) const override; 69 void GenerateArenaDestructorCode(io::Printer* printer) const override; 70 void GenerateSerializeWithCachedSizesToArray( 71 io::Printer* printer) const override; 72 void GenerateByteSize(io::Printer* printer) const override; 73 void GenerateConstexprAggregateInitializer( 74 io::Printer* printer) const override; 75 void GenerateAggregateInitializer(io::Printer* printer) const override; 76 void GenerateCopyAggregateInitializer(io::Printer* printer) const override; IsInlined()77 bool IsInlined() const override { return inlined_; } 78 ArenaDtorNeeds NeedsArenaDestructor() const override; 79 80 private: 81 bool inlined_; 82 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(StringFieldGenerator); 83 }; 84 85 class StringOneofFieldGenerator : public StringFieldGenerator { 86 public: 87 StringOneofFieldGenerator(const FieldDescriptor* descriptor, 88 const Options& options); 89 ~StringOneofFieldGenerator() override; 90 91 // implements FieldGenerator --------------------------------------- 92 void GenerateInlineAccessorDefinitions(io::Printer* printer) const override; 93 void GenerateClearingCode(io::Printer* printer) const override; 94 95 // StringFieldGenerator, from which we inherit, overrides this so we need to 96 // override it as well. 97 void GenerateMessageClearingCode(io::Printer* printer) const override; 98 void GenerateSwappingCode(io::Printer* printer) const override; 99 void GenerateConstructorCode(io::Printer* printer) const override; 100 101 private: 102 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(StringOneofFieldGenerator); 103 }; 104 105 class RepeatedStringFieldGenerator : public FieldGenerator { 106 public: 107 RepeatedStringFieldGenerator(const FieldDescriptor* descriptor, 108 const Options& options); 109 ~RepeatedStringFieldGenerator() override; 110 111 // implements FieldGenerator --------------------------------------- 112 void GeneratePrivateMembers(io::Printer* printer) const override; 113 void GenerateAccessorDeclarations(io::Printer* printer) const override; 114 void GenerateInlineAccessorDefinitions(io::Printer* printer) const override; 115 void GenerateClearingCode(io::Printer* printer) const override; 116 void GenerateMergingCode(io::Printer* printer) const override; 117 void GenerateSwappingCode(io::Printer* printer) const override; GenerateConstructorCode(io::Printer * printer)118 void GenerateConstructorCode(io::Printer* printer) const override {} GenerateCopyConstructorCode(io::Printer *)119 void GenerateCopyConstructorCode(io::Printer* /*printer*/) const override { 120 GOOGLE_CHECK(!ShouldSplit(descriptor_, options_)); 121 } 122 void GenerateDestructorCode(io::Printer* printer) const override; 123 void GenerateSerializeWithCachedSizesToArray( 124 io::Printer* printer) const override; 125 void GenerateByteSize(io::Printer* printer) const override; 126 127 private: 128 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(RepeatedStringFieldGenerator); 129 }; 130 131 } // namespace cpp 132 } // namespace compiler 133 } // namespace protobuf 134 } // namespace google 135 136 #endif // GOOGLE_PROTOBUF_COMPILER_CPP_STRING_FIELD_H__ 137