//--------------------------------------------------------------------------------------//
//                                                                                      //
//    Emulate C++0x char16_t, char32_t, std::u16string, and std::u32string support      //
//    unless already present or BOOST_NO_STRING_0X_EMULATION is defined.                //
//                                                                                      //
//    This is the same emulation already provided by Microsoft Visual C++ 2010          //
//                                                                                      //
//--------------------------------------------------------------------------------------//

#if !defined(BOOST_STRING_0X_HPP)
#  define BOOST_STRING_0X_HPP
#  if !defined(BOOST_NO_STRING_0X_EMULATION)

#    include <boost/config.hpp>
#    include <boost/cstdint.hpp>
#    include <string>

#    if defined(BOOST_NO_CHAR16_T) && (!defined(_MSC_VER) || _MSC_VER < 1600)  // VC++10 
       typedef  boost::uint16_t  char16_t;
       namespace std
       {
         typedef basic_string<char16_t> u16string;
       }
#    endif  // char16_t emulation

#    if defined(BOOST_NO_CHAR16_T) && (!defined(_MSC_VER) || _MSC_VER < 1600)  // VC++10 
       typedef  boost::uint32_t  char32_t;
       namespace std
       {
         typedef basic_string<char32_t> u32string;
       }
#    endif  // char32_t emulation

#  endif  // !defined(BOOST_NO_STRING_0X_EMULATION)
#endif  // !defined(BOOST_STRING_0X_HPP)