/*
|
*
|
* Copyright 2015 gRPC authors.
|
*
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
* you may not use this file except in compliance with the License.
|
* You may obtain a copy of the License at
|
*
|
* http://www.apache.org/licenses/LICENSE-2.0
|
*
|
* Unless required by applicable law or agreed to in writing, software
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
* See the License for the specific language governing permissions and
|
* limitations under the License.
|
*
|
*/
|
|
// Generates Node gRPC service interface out of Protobuf IDL.
|
|
#include <memory>
|
|
#include "src/compiler/config.h"
|
#include "src/compiler/node_generator.h"
|
#include "src/compiler/node_generator_helpers.h"
|
|
using grpc_node_generator::GenerateFile;
|
using grpc_node_generator::GetJSServiceFilename;
|
|
class NodeGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator {
|
public:
|
NodeGrpcGenerator() {}
|
~NodeGrpcGenerator() {}
|
|
bool Generate(const grpc::protobuf::FileDescriptor* file,
|
const grpc::string& parameter,
|
grpc::protobuf::compiler::GeneratorContext* context,
|
grpc::string* error) const {
|
grpc_node_generator::Parameters generator_parameters;
|
generator_parameters.minimum_node_version = 4;
|
|
if (!parameter.empty()) {
|
std::vector<grpc::string> parameters_list =
|
grpc_generator::tokenize(parameter, ",");
|
for (auto parameter_string = parameters_list.begin();
|
parameter_string != parameters_list.end(); parameter_string++) {
|
std::vector<grpc::string> param =
|
grpc_generator::tokenize(*parameter_string, "=");
|
if (param[0] == "minimum_node_version") {
|
sscanf(param[1].c_str(), "%d",
|
&generator_parameters.minimum_node_version);
|
} else {
|
*error = grpc::string("Unknown parameter: ") + *parameter_string;
|
return false;
|
}
|
}
|
}
|
|
grpc::string code = GenerateFile(file, generator_parameters);
|
if (code.size() == 0) {
|
return true;
|
}
|
|
// Get output file name
|
grpc::string file_name = GetJSServiceFilename(file->name());
|
|
std::unique_ptr<grpc::protobuf::io::ZeroCopyOutputStream> output(
|
context->Open(file_name));
|
grpc::protobuf::io::CodedOutputStream coded_out(output.get());
|
coded_out.WriteRaw(code.data(), code.size());
|
return true;
|
}
|
};
|
|
int main(int argc, char* argv[]) {
|
NodeGrpcGenerator generator;
|
return grpc::protobuf::compiler::PluginMain(argc, argv, &generator);
|
}
|
