// 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 |