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 (at) 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 42 namespace google { 43 namespace protobuf { 44 class FieldDescriptor; // descriptor.h 45 namespace io { 46 class Printer; // printer.h 47 } 48 } 49 50 namespace protobuf { 51 namespace compiler { 52 namespace 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. 57 class 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
