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_EXTENSION_H__ 36#define GOOGLE_PROTOBUF_COMPILER_JAVA_EXTENSION_H__ 37 38#include <string> 39 40#include <google/protobuf/stubs/common.h> 41 42namespace google { 43namespace protobuf { 44 class FieldDescriptor; // descriptor.h 45 namespace io { 46 class Printer; // printer.h 47 } 48} 49 50namespace protobuf { 51namespace compiler { 52namespace java { 53 54// Generates code for an extension, which may be within the scope of some 55// message or may be at file scope. This is much simpler than FieldGenerator 56// since extensions are just simple identifiers with interesting types. 57class ExtensionGenerator { 58 public: 59 explicit ExtensionGenerator(const FieldDescriptor* descriptor); 60 ~ExtensionGenerator(); 61 62 void Generate(io::Printer* printer); 63 void GenerateNonNestedInitializationCode(io::Printer* printer); 64 void GenerateRegistrationCode(io::Printer* printer); 65 66 private: 67 const FieldDescriptor* descriptor_; 68 string scope_; 69 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ExtensionGenerator); 70}; 71 72} // namespace java 73} // namespace compiler 74} // namespace protobuf 75 76} // namespace google 77#endif // GOOGLE_PROTOBUF_COMPILER_JAVA_MESSAGE_H__ 78