text: // Protocol Buffers - Google's data interchange format
  // Copyright 2008 Google Inc.  All rights reserved.
  // https://developers.google.com/protocol-buffers/
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are
  // met:
  //
  //     * Redistributions of source code must retain the above copyright
  // notice, this list of conditions and the following disclaimer.
  //     * Redistributions in binary form must reproduce the above
  // copyright notice, this list of conditions and the following disclaimer
  // in the documentation and/or other materials provided with the
  // distribution.
  //     * Neither the name of Google Inc. nor the names of its
  // contributors may be used to endorse or promote products derived from
  // this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  // Generates ObjectiveC code for a given .proto file.
  
  #ifndef GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_GENERATOR_H__
  #define GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_GENERATOR_H__
  
  #include <string>
  #include <google/protobuf/compiler/code_generator.h>
  #include <google/protobuf/descriptor.h>
  
  #include <google/protobuf/port_def.inc>
  
  namespace google {
  namespace protobuf {
  namespace compiler {
  namespace objectivec {
  
  // CodeGenerator implementation which generates a ObjectiveC source file and
  // header.  If you create your own protocol compiler binary and you want it to
  // support ObjectiveC output, you can do so by registering an instance of this
  // CodeGenerator with the CommandLineInterface in your main() function.
  class PROTOC_EXPORT ObjectiveCGenerator : public CodeGenerator {
   public:
    ObjectiveCGenerator();
    ~ObjectiveCGenerator();
  
    ObjectiveCGenerator(const ObjectiveCGenerator&) = delete;
    ObjectiveCGenerator& operator=(const ObjectiveCGenerator&) = delete;
  
    // implements CodeGenerator ----------------------------------------
    bool HasGenerateAll() const override;
    bool Generate(const FileDescriptor* file, const TProtoStringType& parameter,
                  GeneratorContext* context, TProtoStringType* error) const override;
    bool GenerateAll(const std::vector<const FileDescriptor*>& files,
                     const TProtoStringType& parameter, GeneratorContext* context,
                     TProtoStringType* error) const override;
  
    uint64_t GetSupportedFeatures() const override {
      return FEATURE_PROTO3_OPTIONAL;
    }
  };
  
  }  // namespace objectivec
  }  // namespace compiler
  }  // namespace protobuf
  }  // namespace google
  
  #include <google/protobuf/port_undef.inc>
  
  #endif  // GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_GENERATOR_H__
  