text: //----------------------------------------------------------------------------
  //
  // TSDuck - The MPEG Transport Stream Toolkit
  // Copyright (c) 2005-2020, Thierry Lelegard
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are met:
  //
  // 1. Redistributions of source code must retain the above copyright notice,
  //    this list of conditions and the following disclaimer.
  // 2. 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.
  //
  // 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.
  //
  //----------------------------------------------------------------------------
  //!
  //!  @file
  //!  Declare the ts::AbstractDuplicateRemapPlugin class.
  //!
  //----------------------------------------------------------------------------
  
  #pragma once
  #include "tsPlugin.h"
  
  namespace ts {
      //!
      //! Abstract base class for the plugins @c duplicate and @c remap.
      //! This common base class defines the common options and their parsing.
      //! @ingroup plugin
      //!
      class TSDUCKDLL AbstractDuplicateRemapPlugin: public ProcessorPlugin
      {
          TS_NOCOPY(AbstractDuplicateRemapPlugin);
      public:
          //!
          //! Constructor.
          //! @param [in] remap If true, use "remap" in help text, otherwise use "duplicate".
          //! @param [in] tsp Associated callback to @c tsp executable.
          //! @param [in] description A short one-line description, eg. "Wonderful File Copier".
          //! @param [in] syntax A short one-line syntax summary, eg. "[options] filename ...".
          //!
          AbstractDuplicateRemapPlugin(bool remap, TSP* tsp, const UString& description = UString(), const UString& syntax = UString());
  
          // Implementation of plugin API
          virtual bool getOptions() override;
  
      protected:
          typedef std::map<PID, PID> PIDMap;        //!< A map from PID to PID.
          bool                       _unchecked;    //!< Ignore conflicting input/output PID's.
          PIDSet                     _newPIDs;      //!< Set of output (duplicated or remapped) PID values.
          PIDMap                     _pidMap;       //!< Key = input pid, value = output PID.
          TSPacketMetadata::LabelSet _setLabels;    //!< Labels to set on output packets.
          TSPacketMetadata::LabelSet _resetLabels;  //!< Labels to reset on output packets.
  
      private:
          const bool _remap;
          // Strings for help and error messages:
          const UString _noun;
          const UString _verb;
          const UString _verbed;
          const UString _verbing;
      };
  }
  