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gdcmByteValue.cxx

/*=========================================================================

  Program: GDCM (Grassroots DICOM). A DICOM library
  Module:  $URL$

  Copyright (c) 2006-2009 Mathieu Malaterre
  All rights reserved.
  See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#include "gdcmByteValue.h"

namespace gdcm
{

  void ByteValue::PrintASCII(std::ostream &os, VL maxlength ) const {
    VL length = std::min(maxlength, Length);
    // Special case for VR::UI, do not print the trailing \0
    if( length && length == Length )
      {
      if( Internal[length-1] == 0 )
        {
        length = length - 1;
        }
      }
    // I cannot check IsPrintable some file contains \2 or \0 in a VR::LO element
    // See: acr_image_with_non_printable_in_0051_1010.acr 
    //assert( IsPrintable(length) );
    std::vector<char>::const_iterator it = Internal.begin();
    for(; it != Internal.begin()+length; ++it)
      {
      const char &c = *it;
      if ( !( isprint((unsigned char)c) || isspace((unsigned char)c) ) ) os << ".";
      else os << c;
      }
  }
  void ByteValue::PrintHex(std::ostream &os, VL maxlength ) const {
    VL length = std::min(maxlength, Length);
    // WARNING: Internal.end() != Internal.begin()+Length
    std::vector<char>::const_iterator it = Internal.begin();
    os << std::hex;
    for(; it != Internal.begin()+length; ++it)
      {
      //const char &c = *it;
      uint8_t v = *it;
      if( it != Internal.begin() ) os << "\\";
      os << std::setw( 2 ) << std::setfill( '0' ) << (uint16_t)v;
      //++it;
      //os << std::setw( 1 ) << std::setfill( '0' ) << (int)*it;
      }
    os << std::dec;
  }

}

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