| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| // Generates cpp gRPC service interface out of Protobuf IDL. |
| // |
| |
| #include <memory> |
| |
| #include "src/compiler/config.h" |
| |
| #include "src/compiler/cpp_generator.h" |
| #include "src/compiler/cpp_generator_helpers.h" |
| |
| class CppGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator { |
| public: |
| CppGrpcGenerator() {} |
| virtual ~CppGrpcGenerator() {} |
| |
| virtual bool Generate(const grpc::protobuf::FileDescriptor *file, |
| const grpc::string ¶meter, |
| grpc::protobuf::compiler::GeneratorContext *context, |
| grpc::string *error) const { |
| if (file->options().cc_generic_services()) { |
| *error = |
| "cpp grpc proto compiler plugin does not work with generic " |
| "services. To generate cpp grpc APIs, please set \"" |
| "cc_generic_service = false\"."; |
| return false; |
| } |
| |
| grpc::string file_name = grpc_generator::StripProto(file->name()); |
| |
| // Generate .pb.h |
| Insert(context, file_name + ".pb.h", "includes", |
| grpc_cpp_generator::GetHeaderIncludes(file)); |
| Insert(context, file_name + ".pb.h", "namespace_scope", |
| grpc_cpp_generator::GetHeaderServices(file)); |
| // Generate .pb.cc |
| Insert(context, file_name + ".pb.cc", "includes", |
| grpc_cpp_generator::GetSourceIncludes()); |
| Insert(context, file_name + ".pb.cc", "namespace_scope", |
| grpc_cpp_generator::GetSourceServices(file)); |
| |
| return true; |
| } |
| |
| private: |
| // Insert the given code into the given file at the given insertion point. |
| void Insert(grpc::protobuf::compiler::GeneratorContext *context, |
| const grpc::string &filename, const grpc::string &insertion_point, |
| const grpc::string &code) const { |
| std::unique_ptr<grpc::protobuf::io::ZeroCopyOutputStream> output( |
| context->OpenForInsert(filename, insertion_point)); |
| grpc::protobuf::io::CodedOutputStream coded_out(output.get()); |
| coded_out.WriteRaw(code.data(), code.size()); |
| } |
| }; |
| |
| int main(int argc, char *argv[]) { |
| CppGrpcGenerator generator; |
| return grpc::protobuf::compiler::PluginMain(argc, argv, &generator); |
| } |