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115 lines
3 KiB
C++
115 lines
3 KiB
C++
// Boost.Range library
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//
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// Copyright Thorsten Ottosen 2003-2004. Use, modification and
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// distribution is subject to the Boost Software License, Version
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// For more information, see http://www.boost.org/libs/range/
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//
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#ifndef BOOST_RANGE_DETAIL_IMPLEMENTATION_HELP_HPP
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#define BOOST_RANGE_DETAIL_IMPLEMENTATION_HELP_HPP
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#include <boost/range/config.hpp>
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#include <boost/range/detail/common.hpp>
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#include <boost/type_traits/is_same.hpp>
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#include <cstddef>
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#include <string.h>
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#ifndef BOOST_NO_CWCHAR
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#include <wchar.h>
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#endif
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namespace boost
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{
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namespace range_detail
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{
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template <typename T>
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inline void boost_range_silence_warning( const T& ) { }
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/////////////////////////////////////////////////////////////////////
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// end() help
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/////////////////////////////////////////////////////////////////////
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inline const char* str_end( const char* s, const char* )
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{
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return s + strlen( s );
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}
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#ifndef BOOST_NO_CWCHAR
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inline const wchar_t* str_end( const wchar_t* s, const wchar_t* )
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{
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return s + wcslen( s );
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}
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#else
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inline const wchar_t* str_end( const wchar_t* s, const wchar_t* )
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{
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if( s == 0 || s[0] == 0 )
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return s;
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while( *++s != 0 )
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;
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return s;
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}
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#endif
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template< class Char >
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inline Char* str_end( Char* s )
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{
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return const_cast<Char*>( str_end( s, s ) );
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}
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template< class T, std::size_t sz >
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inline T* array_end( T BOOST_RANGE_ARRAY_REF()[sz] )
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{
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return boost_range_array + sz;
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}
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template< class T, std::size_t sz >
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inline const T* array_end( const T BOOST_RANGE_ARRAY_REF()[sz] )
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{
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return boost_range_array + sz;
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}
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/////////////////////////////////////////////////////////////////////
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// size() help
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/////////////////////////////////////////////////////////////////////
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template< class Char >
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inline std::size_t str_size( const Char* const& s )
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{
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return str_end( s ) - s;
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}
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template< class T, std::size_t sz >
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inline std::size_t array_size( T BOOST_RANGE_ARRAY_REF()[sz] )
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{
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boost_range_silence_warning( boost_range_array );
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return sz;
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}
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template< class T, std::size_t sz >
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inline std::size_t array_size( const T BOOST_RANGE_ARRAY_REF()[sz] )
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{
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boost_range_silence_warning( boost_range_array );
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return sz;
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}
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inline bool is_same_address(const void* l, const void* r)
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{
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return l == r;
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}
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template<class T1, class T2>
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inline bool is_same_object(const T1& l, const T2& r)
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{
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return range_detail::is_same_address(&l, &r);
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}
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} // namespace 'range_detail'
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} // namespace 'boost'
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#endif
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