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// 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.

// Author: kenton@google.com (Kenton Varda)
//  Based on original Protocol Buffers design by
//  Sanjay Ghemawat, Jeff Dean, and others.

#ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_ENUM_LITE_H__
#define GOOGLE_PROTOBUF_COMPILER_JAVA_ENUM_LITE_H__

#include <string>
#include <vector>
#include <google/protobuf/descriptor.h>

namespace google {
namespace protobuf {
namespace compiler {
namespace java {
class Context;            // context.h
class ClassNameResolver;  // name_resolver.h
}  // namespace java
}  // namespace compiler
namespace io {
class Printer;  // printer.h
}
}  // namespace protobuf
}  // namespace google

namespace google {
namespace protobuf {
namespace compiler {
namespace java {

class EnumLiteGenerator {
 public:
  EnumLiteGenerator(const EnumDescriptor* descriptor, bool immutable_api,
                    Context* context);
  ~EnumLiteGenerator();

  void Generate(io::Printer* printer);

 private:
  const EnumDescriptor* descriptor_;

  // The proto language allows multiple enum constants to have the same
  // numeric value.  Java, however, does not allow multiple enum constants to
  // be considered equivalent.  We treat the first defined constant for any
  // given numeric value as "canonical" and the rest as aliases of that
  // canonical value.
  std::vector<const EnumValueDescriptor*> canonical_values_;

  struct Alias {
    const EnumValueDescriptor* value;
    const EnumValueDescriptor* canonical_value;
  };
  std::vector<Alias> aliases_;

  bool immutable_api_;

  Context* context_;
  ClassNameResolver* name_resolver_;

  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(EnumLiteGenerator);
};

}  // namespace java
}  // namespace compiler
}  // namespace protobuf
}  // namespace google

#endif  // GOOGLE_PROTOBUF_COMPILER_JAVA_ENUM_LITE_H__