text: ///////////////////////////////////////////////////////////////////////////////
  // BSD 3-Clause License
  //
  // Copyright (c) 2019, Nefelus Inc
  // All rights reserved.
  //
  // 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 the copyright holder 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 HOLDER 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.
  
  #pragma once
  
  #include "dbCore.h"
  #include "dbId.h"
  #include "dbTypes.h"
  #include "dbVector.h"
  #include "odb.h"
  
  namespace odb {
  
  class _dbWire;
  class _dbNet;
  class dbDiff;
  
  struct _dbWireFlags
  {
    uint _is_global : 1;
    uint _spare_bits : 31;
  };
  
  class _dbWire : public _dbObject
  {
   public:
    _dbWireFlags _flags;
    dbVector<int> _data;
    dbVector<unsigned char> _opcodes;
    dbId<_dbNet> _net;
  
    _dbWire(_dbDatabase*)
    {
      _flags._is_global = 0;
      _flags._spare_bits = 0;
    }
  
    _dbWire(_dbDatabase*, const _dbWire& w)
        : _flags(w._flags), _data(w._data), _opcodes(w._opcodes), _net(w._net)
    {
    }
  
    ~_dbWire() {}
  
    uint length() { return _opcodes.size(); }
  
    bool operator==(const _dbWire& rhs) const;
    bool operator!=(const _dbWire& rhs) const { return !operator==(rhs); }
    void differences(dbDiff& diff, const char* field, const _dbWire& rhs) const;
    void out(dbDiff& diff, char side, const char* field) const;
  };
  
  dbOStream& operator<<(dbOStream& stream, const _dbWire& wire);
  dbIStream& operator>>(dbIStream& stream, _dbWire& wire);
  
  }  // namespace odb
  