Chris@101: // Copyright Kevlin Henney, 2000-2005.
Chris@101: // Copyright Alexander Nasonov, 2006-2010.
Chris@101: // Copyright Antony Polukhin, 2011-2014.
Chris@16: //
Chris@101: // Distributed under the Boost Software License, Version 1.0. (See
Chris@101: // accompanying file LICENSE_1_0.txt or copy at
Chris@101: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // what:  lexical_cast custom keyword cast
Chris@16: // who:   contributed by Kevlin Henney,
Chris@16: //        enhanced with contributions from Terje Slettebo,
Chris@16: //        with additional fixes and suggestions from Gennaro Prota,
Chris@16: //        Beman Dawes, Dave Abrahams, Daryle Walker, Peter Dimov,
Chris@16: //        Alexander Nasonov, Antony Polukhin, Justin Viiret, Michael Hofmann,
Chris@16: //        Cheng Yang, Matthew Bradbury, David W. Birdsall, Pavel Korzh and other Boosters
Chris@101: // when:  November 2000, March 2003, June 2005, June 2006, March 2011 - 2014
Chris@101: 
Chris@101: #ifndef BOOST_LEXICAL_CAST_INCLUDED
Chris@101: #define BOOST_LEXICAL_CAST_INCLUDED
Chris@16: 
Chris@16: #include <boost/config.hpp>
Chris@101: #ifdef BOOST_HAS_PRAGMA_ONCE
Chris@101: #   pragma once
Chris@101: #endif
Chris@101: 
Chris@16: #if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_WSTRING)
Chris@16: #define BOOST_LCAST_NO_WCHAR_T
Chris@16: #endif
Chris@16: 
Chris@101: #include <boost/range/iterator_range_core.hpp>
Chris@101: #include <boost/lexical_cast/bad_lexical_cast.hpp>
Chris@101: #include <boost/lexical_cast/try_lexical_convert.hpp>
Chris@16: 
Chris@101: namespace boost 
Chris@16: {
Chris@16:     template <typename Target, typename Source>
Chris@16:     inline Target lexical_cast(const Source &arg)
Chris@16:     {
Chris@101:         Target result;
Chris@16: 
Chris@101:         if (!boost::conversion::detail::try_lexical_convert(arg, result)) {
Chris@101:             boost::conversion::detail::throw_bad_cast<Source, Target>();
Chris@101:         }
Chris@16: 
Chris@101:         return result;
Chris@16:     }
Chris@16: 
Chris@16:     template <typename Target>
Chris@16:     inline Target lexical_cast(const char* chars, std::size_t count)
Chris@101:     {
Chris@16:         return ::boost::lexical_cast<Target>(
Chris@16:             ::boost::iterator_range<const char*>(chars, chars + count)
Chris@16:         );
Chris@16:     }
Chris@16: 
Chris@16:     template <typename Target>
Chris@16:     inline Target lexical_cast(const unsigned char* chars, std::size_t count)
Chris@16:     {
Chris@101:         return ::boost::lexical_cast<Target>(
Chris@16:             ::boost::iterator_range<const unsigned char*>(chars, chars + count)
Chris@101:         );
Chris@101:     }
Chris@16: 
Chris@16:     template <typename Target>
Chris@16:     inline Target lexical_cast(const signed char* chars, std::size_t count)
Chris@16:     {
Chris@16:         return ::boost::lexical_cast<Target>(
Chris@16:             ::boost::iterator_range<const signed char*>(chars, chars + count)
Chris@16:         );
Chris@16:     }
Chris@16: 
Chris@16: #ifndef BOOST_LCAST_NO_WCHAR_T
Chris@16:     template <typename Target>
Chris@16:     inline Target lexical_cast(const wchar_t* chars, std::size_t count)
Chris@16:     {
Chris@16:         return ::boost::lexical_cast<Target>(
Chris@16:             ::boost::iterator_range<const wchar_t*>(chars, chars + count)
Chris@16:         );
Chris@16:     }
Chris@16: #endif
Chris@16: #ifndef BOOST_NO_CXX11_CHAR16_T
Chris@16:     template <typename Target>
Chris@16:     inline Target lexical_cast(const char16_t* chars, std::size_t count)
Chris@16:     {
Chris@16:         return ::boost::lexical_cast<Target>(
Chris@16:             ::boost::iterator_range<const char16_t*>(chars, chars + count)
Chris@16:         );
Chris@16:     }
Chris@16: #endif
Chris@16: #ifndef BOOST_NO_CXX11_CHAR32_T
Chris@16:     template <typename Target>
Chris@16:     inline Target lexical_cast(const char32_t* chars, std::size_t count)
Chris@16:     {
Chris@16:         return ::boost::lexical_cast<Target>(
Chris@16:             ::boost::iterator_range<const char32_t*>(chars, chars + count)
Chris@16:         );
Chris@16:     }
Chris@16: #endif
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #undef BOOST_LCAST_NO_WCHAR_T
Chris@16: 
Chris@16: #endif // BOOST_LEXICAL_CAST_INCLUDED
Chris@16: