You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
170 lines
3.9 KiB
170 lines
3.9 KiB
// 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) |
|
# 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> |
|
|
|
#if !defined(BOOST_NO_CXX11_CHAR16_T) || !defined(BOOST_NO_CXX11_CHAR32_T) |
|
#include <string> // for std::char_traits |
|
#endif |
|
|
|
#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_CXX11_CHAR16_T |
|
inline std::size_t length( const char16_t* s ) |
|
{ |
|
return std::char_traits<char16_t>::length( s ); |
|
} |
|
#endif |
|
|
|
#ifndef BOOST_NO_CXX11_CHAR32_T |
|
inline std::size_t length( const char32_t* s ) |
|
{ |
|
return std::char_traits<char32_t>::length( s ); |
|
} |
|
#endif |
|
|
|
#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_CXX11_CHAR16_T |
|
inline bool is_char_ptr( char16_t* ) |
|
{ |
|
return true; |
|
} |
|
|
|
inline bool is_char_ptr( const char16_t* ) |
|
{ |
|
return true; |
|
} |
|
#endif |
|
|
|
#ifndef BOOST_NO_CXX11_CHAR32_T |
|
inline bool is_char_ptr( char32_t* ) |
|
{ |
|
return true; |
|
} |
|
|
|
inline bool is_char_ptr( const char32_t* ) |
|
{ |
|
return true; |
|
} |
|
#endif |
|
|
|
#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( const 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
|
|
|