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103 lines
2.8 KiB
103 lines
2.8 KiB
// 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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} // namespace 'range_detail' |
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} // namespace 'boost' |
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#endif
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