mirror of
https://github.com/grpc/grpc-node.git
synced 2026-01-18 14:18:13 +00:00
78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
/*
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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 Node gRPC service interface out of Protobuf IDL.
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#include <memory>
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#include "config.h"
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#include "node_generator.h"
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#include "node_generator_helpers.h"
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using grpc_node_generator::GenerateFile;
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using grpc_node_generator::GetJSServiceFilename;
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class NodeGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator {
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public:
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NodeGrpcGenerator() {}
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~NodeGrpcGenerator() {}
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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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grpc_node_generator::Parameters generator_parameters;
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generator_parameters.generate_package_definition = false;
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generator_parameters.grpc_js = false;
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if (!parameter.empty()) {
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std::vector<grpc::string> parameters_list =
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grpc_generator::tokenize(parameter, ",");
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for (auto parameter_string = parameters_list.begin();
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parameter_string != parameters_list.end(); parameter_string++) {
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if (*parameter_string == "generate_package_definition") {
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generator_parameters.generate_package_definition = true;
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} else if (*parameter_string == "grpc_js") {
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generator_parameters.grpc_js = true;
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}
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}
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}
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grpc::string code = GenerateFile(file, generator_parameters);
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if (code.size() == 0) {
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return true;
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}
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// Get output file name
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grpc::string file_name = GetJSServiceFilename(file->name());
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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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uint64_t GetSupportedFeatures() const override {
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return FEATURE_PROTO3_OPTIONAL;
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}
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};
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int main(int argc, char* argv[]) {
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NodeGrpcGenerator generator;
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return grpc::protobuf::compiler::PluginMain(argc, argv, &generator);
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}
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