text: /*
   * Copyright 2019 The 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 NET_GRPC_COMPILER_JAVA_GENERATOR_H_
  #define NET_GRPC_COMPILER_JAVA_GENERATOR_H_
  
  #include <stdlib.h>  // for abort()
  #include <iostream>
  #include <string>
  
  #include <google/protobuf/io/zero_copy_stream.h>
  #include <google/protobuf/descriptor.h>
  
  class LogHelper {
    std::ostream* os;
  
   public:
    LogHelper(std::ostream* os) : os(os) {}
    ~LogHelper() {
      *os << std::endl;
      ::abort();
    }
    std::ostream& get_os() {
      return *os;
    }
  };
  
  // Abort the program after logging the mesage if the given condition is not
  // true. Otherwise, do nothing.
  #define GRPC_CODEGEN_CHECK(x) !(x) && LogHelper(&std::cerr).get_os() \
                               << "CHECK FAILED: " << __FILE__ << ":" \
                               << __LINE__ << ": "
  
  // Abort the program after logging the mesage.
  #define GRPC_CODEGEN_FAIL GRPC_CODEGEN_CHECK(false)
  
  using namespace std;
  
  namespace java_grpc_generator {
  
  enum ProtoFlavor {
    NORMAL, LITE
  };
  
  // Returns the package name of the gRPC services defined in the given file.
  std::string ServiceJavaPackage(const google::protobuf::FileDescriptor* file);
  
  // Returns the name of the outer class that wraps in all the generated code for
  // the given service.
  std::string ServiceClassName(const google::protobuf::ServiceDescriptor* service);
  
  // Writes the generated service interface into the given ZeroCopyOutputStream
  void GenerateService(const google::protobuf::ServiceDescriptor* service,
                       google::protobuf::io::ZeroCopyOutputStream* out,
                       ProtoFlavor flavor,
                       bool disable_version);
  
  }  // namespace java_grpc_generator
  
  #endif  // NET_GRPC_COMPILER_JAVA_GENERATOR_H_
  