128 lines
3.1 KiB
C++
128 lines
3.1 KiB
C++
// 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
|