io_operators.h

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/*
 * Software License Agreement (BSD License)
 *
 *  Point Cloud Library (PCL) - www.pointclouds.org
 *  Copyright (c) 2007-2012, Ares Lagae
 *  Copyright (c) 2012, Willow Garage, Inc.
 *  All rights reserved.
 *
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 *
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 *     with the distribution.
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 *     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
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 * $Id: io_operators.h 4252 2012-02-04 01:10:24Z nizar $
 *
 */

#ifndef PCL_IO_PLY_IO_OPERATORS_H
#define PCL_IO_PLY_IO_OPERATORS_H

#include <istream>
#include <limits>
#include <ostream>

namespace pcl
{
  namespace io
  {
    namespace ply 
    {
      namespace io_operators 
      {

        inline std::istream& operator>> (std::istream& istream, int8 &value)
        {
          int16 tmp;
          if (istream >> tmp)
          {
            if (tmp <= std::numeric_limits<int8>::max ())
              value = static_cast<int8> (tmp);
            else
              istream.setstate (std::ios_base::failbit);
          }
          return (istream);
        }

        inline std::istream& operator>> (std::istream& istream, uint8 &value)
        {
          uint16 tmp;
          if (istream >> tmp)
          {
            if (tmp <= std::numeric_limits<uint8>::max ())
              value = static_cast<uint8> (tmp);
            else
              istream.setstate (std::ios_base::failbit);
          }
          return (istream);
        }

        inline std::ostream& operator<<(std::ostream& ostream, int8 value)
        {
          return (ostream << static_cast<int16> (value));
        }

        inline std::ostream& operator<<(std::ostream& ostream, uint8 value)
        {
          return (ostream << static_cast<uint16> (value));
        }

      } // namespace io_operators
    } // namespace ply
  } // namespace io
} // namespace pcl

#endif // PLY_IO_OPERATORS_H