guid.h

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// Copyright 2017-2020, Schlumberger
//
// 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.
 
#pragma once
 
#include <cstdint>
#include <cstddef>
#include <array>
#include <string>
#include <ostream>
 
namespace InternalZGY {
#if 0
}
#endif
 
class GUID
{
public:
  typedef std::array<std::uint8_t,16> guid_bytes_t;
 
public:
  GUID();
  explicit GUID(const guid_bytes_t& in);
  explicit GUID(nullptr_t);
  std::string toString() const;
  void copyTo(std::uint8_t *ptr, std::int64_t len);
 
private:
  static guid_bytes_t generate();
  static std::string format(const guid_bytes_t& guid);
 
private:
  guid_bytes_t _data;
};
 
namespace Formatters
{
  extern std::ostream& operator<<(std::ostream& os, const ::InternalZGY::GUID& guid);
}
 
} // namespace