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// 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
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