// Boost.Range library | |
// | |
// Copyright Thorsten Ottosen 2006. Use, modification and | |
// distribution is subject to the Boost Software License, Version | |
// 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
// http://www.boost.org/LICENSE_1_0.txt) | |
// | |
// For more information, see http://www.boost.org/libs/range/ | |
// | |
#ifndef BOOST_RANGE_AS_LITERAL_HPP | |
#define BOOST_RANGE_AS_LITERAL_HPP | |
#if defined(_MSC_VER) && (_MSC_VER >= 1200) | |
# pragma once | |
#endif | |
#ifdef BOOST_NO_FUNCTION_TEMPLATE_ORDERING | |
#include <boost/range/detail/as_literal.hpp> | |
#else | |
#include <boost/range/iterator_range.hpp> | |
#include <boost/range/detail/str_types.hpp> | |
#include <boost/detail/workaround.hpp> | |
#include <cstring> | |
#ifndef BOOST_NO_CWCHAR | |
#include <cwchar> | |
#endif | |
namespace boost | |
{ | |
namespace range_detail | |
{ | |
inline std::size_t length( const char* s ) | |
{ | |
return strlen( s ); | |
} | |
#ifndef BOOST_NO_CWCHAR | |
inline std::size_t length( const wchar_t* s ) | |
{ | |
return wcslen( s ); | |
} | |
#endif | |
// | |
// Remark: the compiler cannot choose between T* and T[sz] | |
// overloads, so we must put the T* internal to the | |
// unconstrained version. | |
// | |
inline bool is_char_ptr( char* ) | |
{ | |
return true; | |
} | |
inline bool is_char_ptr( const char* ) | |
{ | |
return true; | |
} | |
#ifndef BOOST_NO_CWCHAR | |
inline bool is_char_ptr( wchar_t* ) | |
{ | |
return true; | |
} | |
inline bool is_char_ptr( const wchar_t* ) | |
{ | |
return true; | |
} | |
#endif | |
template< class T > | |
inline long is_char_ptr( T /* r */ ) | |
{ | |
return 0L; | |
} | |
template< class T > | |
inline iterator_range<T*> | |
make_range( T* const r, bool ) | |
{ | |
return iterator_range<T*>( r, r + length(r) ); | |
} | |
template< class T > | |
inline iterator_range<BOOST_DEDUCED_TYPENAME range_iterator<T>::type> | |
make_range( T& r, long ) | |
{ | |
return boost::make_iterator_range( r ); | |
} | |
} | |
template< class Range > | |
inline iterator_range<BOOST_DEDUCED_TYPENAME range_iterator<Range>::type> | |
as_literal( Range& r ) | |
{ | |
return range_detail::make_range( r, range_detail::is_char_ptr(r) ); | |
} | |
template< class Range > | |
inline iterator_range<BOOST_DEDUCED_TYPENAME range_iterator<const Range>::type> | |
as_literal( const Range& r ) | |
{ | |
return range_detail::make_range( r, range_detail::is_char_ptr(r) ); | |
} | |
template< class Char, std::size_t sz > | |
inline iterator_range<Char*> as_literal( Char (&arr)[sz] ) | |
{ | |
return range_detail::make_range( arr, range_detail::is_char_ptr(arr) ); | |
} | |
template< class Char, std::size_t sz > | |
inline iterator_range<const Char*> as_literal( const Char (&arr)[sz] ) | |
{ | |
return range_detail::make_range( arr, range_detail::is_char_ptr(arr) ); | |
} | |
} | |
#endif // BOOST_NO_FUNCTION_TEMPLATE_ORDERING | |
#endif |