python_private_generator.h

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/*
 *
 * 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.
 *
 */
 
#ifndef GRPC_INTERNAL_COMPILER_PYTHON_PRIVATE_GENERATOR_H
#define GRPC_INTERNAL_COMPILER_PYTHON_PRIVATE_GENERATOR_H
 
#include <iostream>
#include <vector>
 
#include "src/compiler/python_generator.h"
#include "src/compiler/schema_interface.h"
 
namespace grpc_python_generator {
 
namespace {
 
// Tucks all generator state in an anonymous namespace away from
// PythonGrpcGenerator and the header file, mostly to encourage future changes
// to not require updates to the grpcio-tools C++ code part. Assumes that it is
// only ever used from a single thread.
struct PrivateGenerator {
  const GeneratorConfiguration& config;
  const grpc_generator::File* file;
 
  bool generate_in_pb2_grpc;
 
  PrivateGenerator(const GeneratorConfiguration& config,
                   const grpc_generator::File* file);
 
  std::pair<bool, std::string> GetGrpcServices();
 
 private:
  bool PrintPreamble(grpc_generator::Printer* out);
  bool PrintBetaPreamble(grpc_generator::Printer* out);
  bool PrintGAServices(grpc_generator::Printer* out);
  bool PrintBetaServices(grpc_generator::Printer* out);
 
  bool PrintAddServicerToServer(
      const std::string& package_qualified_service_name,
      const grpc_generator::Service* service, grpc_generator::Printer* out);
  bool PrintServicer(const grpc_generator::Service* service,
                     grpc_generator::Printer* out);
  bool PrintStub(const std::string& package_qualified_service_name,
                 const grpc_generator::Service* service,
                 grpc_generator::Printer* out);
 
  bool PrintServiceClass(const std::string& package_qualified_service_name,
                         const grpc_generator::Service* service,
                         grpc_generator::Printer* out);
  bool PrintBetaServicer(const grpc_generator::Service* service,
                         grpc_generator::Printer* out);
  bool PrintBetaServerFactory(const std::string& package_qualified_service_name,
                              const grpc_generator::Service* service,
                              grpc_generator::Printer* out);
  bool PrintBetaStub(const grpc_generator::Service* service,
                     grpc_generator::Printer* out);
  bool PrintBetaStubFactory(const std::string& package_qualified_service_name,
                            const grpc_generator::Service* service,
                            grpc_generator::Printer* out);
 
  // Get all comments (leading, leading_detached, trailing) and print them as a
  // docstring. Any leading space of a line will be removed, but the line
  // wrapping will not be changed.
  void PrintAllComments(std::vector<std::string> comments,
                        grpc_generator::Printer* out);
};
 
}  // namespace
 
}  // namespace grpc_python_generator
 
#endif  // GRPC_INTERNAL_COMPILER_PYTHON_PRIVATE_GENERATOR_H