The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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82 lines
2.8 KiB
82 lines
2.8 KiB
/* |
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* |
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* Copyright 2015 gRPC authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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// Generates C# gRPC service interface out of Protobuf IDL. |
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#include <memory> |
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#include "src/compiler/config.h" |
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#include "src/compiler/csharp_generator.h" |
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#include "src/compiler/csharp_generator_helpers.h" |
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class CSharpGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator { |
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public: |
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CSharpGrpcGenerator() {} |
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~CSharpGrpcGenerator() {} |
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bool Generate(const grpc::protobuf::FileDescriptor* file, |
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const grpc::string& parameter, |
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grpc::protobuf::compiler::GeneratorContext* context, |
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grpc::string* error) const { |
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std::vector<std::pair<grpc::string, grpc::string> > options; |
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grpc::protobuf::compiler::ParseGeneratorParameter(parameter, &options); |
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bool generate_client = true; |
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bool generate_server = true; |
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bool internal_access = false; |
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bool lite_client = false; |
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for (size_t i = 0; i < options.size(); i++) { |
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if (options[i].first == "no_client") { |
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generate_client = false; |
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} else if (options[i].first == "no_server") { |
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generate_server = false; |
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} else if (options[i].first == "internal_access") { |
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internal_access = true; |
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} else if (options[i].first == "lite_client") { |
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// will only be used if generate_client is true. |
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// NOTE: experimental option, can be removed in future release |
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lite_client = true; |
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} else { |
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*error = "Unknown generator option: " + options[i].first; |
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return false; |
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} |
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} |
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grpc::string code = grpc_csharp_generator::GetServices( |
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file, generate_client, generate_server, internal_access, lite_client); |
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if (code.size() == 0) { |
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return true; // don't generate a file if there are no services |
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} |
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// Get output file name. |
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grpc::string file_name; |
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if (!grpc_csharp_generator::ServicesFilename(file, &file_name)) { |
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return false; |
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} |
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std::unique_ptr<grpc::protobuf::io::ZeroCopyOutputStream> output( |
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context->Open(file_name)); |
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grpc::protobuf::io::CodedOutputStream coded_out(output.get()); |
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coded_out.WriteRaw(code.data(), code.size()); |
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return true; |
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} |
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}; |
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int main(int argc, char* argv[]) { |
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CSharpGrpcGenerator generator; |
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return grpc::protobuf::compiler::PluginMain(argc, argv, &generator); |
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}
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