1// Protocol Buffers - Google's data interchange format 2// Copyright 2008 Google Inc. All rights reserved. 3// http://code.google.com/p/protobuf/ 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_JAVA_MESSAGE_H__ 36#define GOOGLE_PROTOBUF_COMPILER_JAVA_MESSAGE_H__ 37 38#include <string> 39#include <google/protobuf/stubs/common.h> 40#include <google/protobuf/compiler/java/java_field.h> 41 42namespace google { 43namespace protobuf { 44 namespace io { 45 class Printer; // printer.h 46 } 47} 48 49namespace protobuf { 50namespace compiler { 51namespace java { 52 53class MessageGenerator { 54 public: 55 explicit MessageGenerator(const Descriptor* descriptor); 56 ~MessageGenerator(); 57 58 // All static variables have to be declared at the top-level of the file 59 // so that we can control initialization order, which is important for 60 // DescriptorProto bootstrapping to work. 61 void GenerateStaticVariables(io::Printer* printer); 62 63 // Output code which initializes the static variables generated by 64 // GenerateStaticVariables(). 65 void GenerateStaticVariableInitializers(io::Printer* printer); 66 67 // Generate the class itself. 68 void Generate(io::Printer* printer); 69 70 // Generates the base interface that both the class and its builder implement 71 void GenerateInterface(io::Printer* printer); 72 73 // Generate code to register all contained extensions with an 74 // ExtensionRegistry. 75 void GenerateExtensionRegistrationCode(io::Printer* printer); 76 77 private: 78 enum UseMemoization { 79 MEMOIZE, 80 DONT_MEMOIZE 81 }; 82 83 void GenerateMessageSerializationMethods(io::Printer* printer); 84 void GenerateParseFromMethods(io::Printer* printer); 85 void GenerateSerializeOneField(io::Printer* printer, 86 const FieldDescriptor* field); 87 void GenerateSerializeOneExtensionRange( 88 io::Printer* printer, const Descriptor::ExtensionRange* range); 89 90 void GenerateBuilder(io::Printer* printer); 91 void GenerateCommonBuilderMethods(io::Printer* printer); 92 void GenerateDescriptorMethods(io::Printer* printer); 93 void GenerateBuilderParsingMethods(io::Printer* printer); 94 void GenerateIsInitialized(io::Printer* printer, 95 UseMemoization useMemoization); 96 void GenerateEqualsAndHashCode(io::Printer* printer); 97 98 void GenerateParser(io::Printer* printer); 99 void GenerateParsingConstructor(io::Printer* printer); 100 101 const Descriptor* descriptor_; 102 FieldGeneratorMap field_generators_; 103 104 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(MessageGenerator); 105}; 106 107} // namespace java 108} // namespace compiler 109} // namespace protobuf 110 111} // namespace google 112#endif // GOOGLE_PROTOBUF_COMPILER_JAVA_MESSAGE_H__ 113