// Boost.Range library // // Copyright Thorsten Ottosen 2003-2004. 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_DETAIL_IMPLEMENTATION_HELP_HPP #define BOOST_RANGE_DETAIL_IMPLEMENTATION_HELP_HPP #include <boost/range/config.hpp> #include <boost/range/detail/common.hpp> #include <boost/type_traits/is_same.hpp> #include <cstddef> #include <string.h> #ifndef BOOST_NO_CWCHAR #include <wchar.h> #endif namespace boost { namespace range_detail { template <typename T> inline void boost_range_silence_warning( const T& ) { } ///////////////////////////////////////////////////////////////////// // end() help ///////////////////////////////////////////////////////////////////// inline const char* str_end( const char* s, const char* ) { return s + strlen( s ); } #ifndef BOOST_NO_CWCHAR inline const wchar_t* str_end( const wchar_t* s, const wchar_t* ) { return s + wcslen( s ); } #else inline const wchar_t* str_end( const wchar_t* s, const wchar_t* ) { if( s == 0 || s[0] == 0 ) return s; while( *++s != 0 ) ; return s; } #endif template< class Char > inline Char* str_end( Char* s ) { return const_cast<Char*>( str_end( s, s ) ); } template< class T, std::size_t sz > inline T* array_end( T BOOST_RANGE_ARRAY_REF()[sz] ) { return boost_range_array + sz; } template< class T, std::size_t sz > inline const T* array_end( const T BOOST_RANGE_ARRAY_REF()[sz] ) { return boost_range_array + sz; } ///////////////////////////////////////////////////////////////////// // size() help ///////////////////////////////////////////////////////////////////// template< class Char > inline std::size_t str_size( const Char* const& s ) { return str_end( s ) - s; } template< class T, std::size_t sz > inline std::size_t array_size( T BOOST_RANGE_ARRAY_REF()[sz] ) { boost_range_silence_warning( boost_range_array ); return sz; } template< class T, std::size_t sz > inline std::size_t array_size( const T BOOST_RANGE_ARRAY_REF()[sz] ) { boost_range_silence_warning( boost_range_array ); return sz; } } // namespace 'range_detail' } // namespace 'boost' #endif