845 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			845 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
//  Boost string_algo library erase.hpp header file  ---------------------------//
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//  Copyright Pavol Droba 2002-2006.
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//
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// Distributed under the Boost Software License, Version 1.0.
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//    (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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//  See http://www.boost.org/ for updates, documentation, and revision history.
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#ifndef BOOST_STRING_ERASE_HPP
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#define BOOST_STRING_ERASE_HPP
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#include <boost/algorithm/string/config.hpp>
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#include <boost/range/iterator_range_core.hpp>
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#include <boost/range/begin.hpp>
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#include <boost/range/end.hpp>
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#include <boost/range/iterator.hpp>
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#include <boost/range/const_iterator.hpp>
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#include <boost/algorithm/string/find_format.hpp>
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#include <boost/algorithm/string/finder.hpp>
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#include <boost/algorithm/string/formatter.hpp>
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/*! \file
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    Defines various erase algorithms. Each algorithm removes
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    part(s) of the input according to a searching criteria.
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*/
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namespace boost {
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    namespace algorithm {
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//  erase_range -------------------------------------------------------//
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        //! Erase range algorithm
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        /*!
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            Remove the given range from the input. The result is a modified copy of 
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            the input. It is returned as a sequence or copied to the output iterator.
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            \param Output An output iterator to which the result will be copied
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            \param Input An input sequence
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            \param SearchRange A range in the input to be removed
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            \return An output iterator pointing just after the last inserted character or
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                a modified copy of the input
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            \note The second variant of this function provides the strong exception-safety guarantee
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        */
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        template<typename OutputIteratorT, typename RangeT>
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        inline OutputIteratorT erase_range_copy(
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            OutputIteratorT Output,
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            const RangeT& Input,
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            const iterator_range<
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                BOOST_STRING_TYPENAME 
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                    range_const_iterator<RangeT>::type>& SearchRange )
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        {
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            return ::boost::algorithm::find_format_copy(
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                Output,
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                Input,
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                ::boost::algorithm::range_finder(SearchRange),
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                ::boost::algorithm::empty_formatter(Input) );
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        }
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        //! Erase range algorithm
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        /*!
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            \overload
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        */
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        template<typename SequenceT>
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        inline SequenceT erase_range_copy( 
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            const SequenceT& Input,
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            const iterator_range<
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                BOOST_STRING_TYPENAME 
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                    range_const_iterator<SequenceT>::type>& SearchRange )
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        {
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            return ::boost::algorithm::find_format_copy( 
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                Input,
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                ::boost::algorithm::range_finder(SearchRange),
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                ::boost::algorithm::empty_formatter(Input) );
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        }
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        //! Erase range algorithm
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        /*!
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            Remove the given range from the input.
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            The input sequence is modified in-place.
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            \param Input An input sequence
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            \param SearchRange A range in the input to be removed
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        */
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        template<typename SequenceT>
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        inline void erase_range( 
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            SequenceT& Input,
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            const iterator_range<
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                BOOST_STRING_TYPENAME 
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                    range_iterator<SequenceT>::type>& SearchRange )
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        {
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            ::boost::algorithm::find_format( 
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                Input, 
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                ::boost::algorithm::range_finder(SearchRange),
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                ::boost::algorithm::empty_formatter(Input) );
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        }
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//  erase_first  --------------------------------------------------------//
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        //! Erase first algorithm
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        /*!
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            Remove the first occurrence of the substring from the input.
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            The result is a modified copy of the input. It is returned as a sequence 
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            or copied to the output iterator.
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            \param Output An output iterator to which the result will be copied
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            \param Input An input string
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            \param Search A substring to be searched for 
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            \return An output iterator pointing just after the last inserted character or
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                a modified copy of the input
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            \note The second variant of this function provides the strong exception-safety guarantee
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        */
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        template<
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            typename OutputIteratorT,
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            typename Range1T, 
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            typename Range2T>
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        inline OutputIteratorT erase_first_copy(
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            OutputIteratorT Output,
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            const Range1T& Input,
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            const Range2T& Search )
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        {
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            return ::boost::algorithm::find_format_copy(
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                Output,
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                Input,
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                ::boost::algorithm::first_finder(Search),
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                ::boost::algorithm::empty_formatter(Input) );
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        }
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        //! Erase first algorithm
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        /*!
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            \overload
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        */
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        template<typename SequenceT, typename RangeT>
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        inline SequenceT erase_first_copy( 
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            const SequenceT& Input,
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            const RangeT& Search )
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        {
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            return ::boost::algorithm::find_format_copy( 
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                Input, 
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                ::boost::algorithm::first_finder(Search),
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                ::boost::algorithm::empty_formatter(Input) );
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        }
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        //! Erase first algorithm
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        /*!
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            Remove the first occurrence of the substring from the input. 
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            The input sequence is modified in-place.
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            \param Input An input string
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            \param Search A substring to be searched for. 
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        */
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        template<typename SequenceT, typename RangeT>
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        inline void erase_first( 
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            SequenceT& Input,
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            const RangeT& Search )
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        {
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            ::boost::algorithm::find_format( 
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                Input, 
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                ::boost::algorithm::first_finder(Search),
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                ::boost::algorithm::empty_formatter(Input) );
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        }
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//  erase_first ( case insensitive ) ------------------------------------//
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        //! Erase first algorithm ( case insensitive )
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        /*!
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            Remove the first occurrence of the substring from the input. 
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            The result is a modified copy of the input. It is returned as a sequence 
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            or copied to the output iterator.
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            Searching is case insensitive.
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            \param Output An output iterator to which the result will be copied
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            \param Input An input string
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            \param Search A substring to be searched for 
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            \param Loc A locale used for case insensitive comparison
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            \return An output iterator pointing just after the last inserted character or
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                a modified copy of the input
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            \note The second variant of this function provides the strong exception-safety guarantee
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        */
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        template<
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            typename OutputIteratorT,
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            typename Range1T, 
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            typename Range2T>
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        inline OutputIteratorT ierase_first_copy(
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            OutputIteratorT Output,
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            const Range1T& Input,
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            const Range2T& Search,
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            const std::locale& Loc=std::locale() )
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        {
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            return ::boost::algorithm::find_format_copy(
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                Output,
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                Input,
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                ::boost::algorithm::first_finder(Search, is_iequal(Loc)),
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                ::boost::algorithm::empty_formatter(Input) );
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        }
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        //! Erase first algorithm ( case insensitive )
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        /*!
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            \overload
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        */
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        template<typename SequenceT, typename RangeT>
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        inline SequenceT ierase_first_copy( 
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            const SequenceT& Input,
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            const RangeT& Search,
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            const std::locale& Loc=std::locale() )
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        {
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            return ::boost::algorithm::find_format_copy( 
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                Input, 
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                ::boost::algorithm::first_finder(Search, is_iequal(Loc)),
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                ::boost::algorithm::empty_formatter(Input) );
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        }
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        //! Erase first algorithm ( case insensitive )
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        /*!
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            Remove the first occurrence of the substring from the input. 
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            The input sequence is modified in-place. Searching is case insensitive.
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            \param Input An input string
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            \param Search A substring to be searched for
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            \param Loc A locale used for case insensitive comparison
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        */
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        template<typename SequenceT, typename RangeT>
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        inline void ierase_first( 
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            SequenceT& Input,
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            const RangeT& Search,
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            const std::locale& Loc=std::locale() )
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        {
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            ::boost::algorithm::find_format( 
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                Input, 
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                ::boost::algorithm::first_finder(Search, is_iequal(Loc)),
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                ::boost::algorithm::empty_formatter(Input) );
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        }
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//  erase_last  --------------------------------------------------------//
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        //! Erase last algorithm
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        /*!
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            Remove the last occurrence of the substring from the input. 
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            The result is a modified copy of the input. It is returned as a sequence 
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            or copied to the output iterator.
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            \param Output An output iterator to which the result will be copied
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            \param Input An input string
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            \param Search A substring to be searched for.
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            \return An output iterator pointing just after the last inserted character or
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                a modified copy of the input
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             \note The second variant of this function provides the strong exception-safety guarantee
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        */
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        template<
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            typename OutputIteratorT,
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            typename Range1T, 
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            typename Range2T>
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        inline OutputIteratorT erase_last_copy(
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            OutputIteratorT Output,
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            const Range1T& Input,
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            const Range2T& Search )
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        {
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            return ::boost::algorithm::find_format_copy(
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                Output,
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                Input,
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                ::boost::algorithm::last_finder(Search),
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                ::boost::algorithm::empty_formatter(Input) );
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        }
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        //! Erase last algorithm
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        /*!
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            \overload
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        */
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        template<typename SequenceT, typename RangeT>
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        inline SequenceT erase_last_copy( 
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            const SequenceT& Input,
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            const RangeT& Search )
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        {
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            return ::boost::algorithm::find_format_copy( 
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                Input, 
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                ::boost::algorithm::last_finder(Search),
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                ::boost::algorithm::empty_formatter(Input) );
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        }
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        //! Erase last algorithm
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        /*!
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            Remove the last occurrence of the substring from the input. 
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            The input sequence is modified in-place.
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            \param Input An input string
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            \param Search A substring to be searched for 
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        */
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        template<typename SequenceT, typename RangeT>
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        inline void erase_last( 
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            SequenceT& Input,
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            const RangeT& Search )
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        {
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            ::boost::algorithm::find_format( 
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                Input, 
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                ::boost::algorithm::last_finder(Search),
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                ::boost::algorithm::empty_formatter(Input) );
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        }
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//  erase_last ( case insensitive ) ------------------------------------//
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        //! Erase last algorithm ( case insensitive )
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        /*!
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            Remove the last occurrence of the substring from the input. 
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            The result is a modified copy of the input. It is returned as a sequence 
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            or copied to the output iterator.
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            Searching is case insensitive.
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            \param Output An output iterator to which the result will be copied
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            \param Input An input string
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            \param Search A substring to be searched for
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            \param Loc A locale used for case insensitive comparison
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            \return An output iterator pointing just after the last inserted character or
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                a modified copy of the input
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             \note The second variant of this function provides the strong exception-safety guarantee
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        */
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        template<
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            typename OutputIteratorT,
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            typename Range1T, 
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            typename Range2T>
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        inline OutputIteratorT ierase_last_copy(
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            OutputIteratorT Output,
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            const Range1T& Input,
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            const Range2T& Search,
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            const std::locale& Loc=std::locale() )
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        {
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            return ::boost::algorithm::find_format_copy(
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                Output,
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                Input,
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                ::boost::algorithm::last_finder(Search, is_iequal(Loc)),
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                ::boost::algorithm::empty_formatter(Input) );
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        }
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        //! Erase last algorithm ( case insensitive )
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        /*!
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            \overload
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        */
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        template<typename SequenceT, typename RangeT>
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        inline SequenceT ierase_last_copy( 
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            const SequenceT& Input,
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            const RangeT& Search,
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            const std::locale& Loc=std::locale() )
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        {
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            return ::boost::algorithm::find_format_copy( 
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                Input, 
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                ::boost::algorithm::last_finder(Search, is_iequal(Loc)),
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                ::boost::algorithm::empty_formatter(Input) );
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        }
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        //! Erase last algorithm ( case insensitive )
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        /*!
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            Remove the last occurrence of the substring from the input. 
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            The input sequence is modified in-place. Searching is case insensitive.
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						|
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            \param Input An input string
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            \param Search A substring to be searched for
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            \param Loc A locale used for case insensitive comparison
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        */
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        template<typename SequenceT, typename RangeT>
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        inline void ierase_last( 
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            SequenceT& Input,
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            const RangeT& Search,
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            const std::locale& Loc=std::locale() )
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        {
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            ::boost::algorithm::find_format( 
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                Input, 
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                ::boost::algorithm::last_finder(Search, is_iequal(Loc)),
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                ::boost::algorithm::empty_formatter(Input) );
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        }
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//  erase_nth --------------------------------------------------------------------//
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        //! Erase nth algorithm
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        /*!
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            Remove the Nth occurrence of the substring in the input.
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            The result is a modified copy of the input. It is returned as a sequence 
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            or copied to the output iterator.
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						|
            
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            \param Output An output iterator to which the result will be copied
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						|
            \param Input An input string
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            \param Search A substring to be searched for
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            \param Nth An index of the match to be replaced. The index is 0-based.
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                For negative N, matches are counted from the end of string.
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            \return An output iterator pointing just after the last inserted character or
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                a modified copy of the input
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						|
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						|
             \note The second variant of this function provides the strong exception-safety guarantee
 | 
						|
        */
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        template<
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            typename OutputIteratorT,
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            typename Range1T, 
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            typename Range2T>
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        inline OutputIteratorT erase_nth_copy(
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            OutputIteratorT Output,
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            const Range1T& Input,
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            const Range2T& Search,
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            int Nth )
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        {
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            return ::boost::algorithm::find_format_copy(
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                Output,
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                Input,
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                ::boost::algorithm::nth_finder(Search, Nth),
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                ::boost::algorithm::empty_formatter(Input) );
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        }
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						|
 | 
						|
        //! Erase nth algorithm
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						|
        /*!
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            \overload
 | 
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        */
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        template<typename SequenceT, typename RangeT>
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        inline SequenceT erase_nth_copy( 
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            const SequenceT& Input,
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            const RangeT& Search,
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						|
            int Nth )
 | 
						|
        {
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						|
            return ::boost::algorithm::find_format_copy( 
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                Input, 
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                ::boost::algorithm::nth_finder(Search, Nth),
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						|
                ::boost::algorithm::empty_formatter(Input) );
 | 
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        }
 | 
						|
 | 
						|
        //! Erase nth algorithm
 | 
						|
        /*!
 | 
						|
            Remove the Nth occurrence of the substring in the input.
 | 
						|
            The input sequence is modified in-place.
 | 
						|
 | 
						|
            \param Input An input string
 | 
						|
            \param Search A substring to be searched for. 
 | 
						|
            \param Nth An index of the match to be replaced. The index is 0-based.
 | 
						|
                For negative N, matches are counted from the end of string.
 | 
						|
        */
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        template<typename SequenceT, typename RangeT>
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        inline void erase_nth( 
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            SequenceT& Input,
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            const RangeT& Search,
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            int Nth )
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        {
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            ::boost::algorithm::find_format( 
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                Input, 
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                ::boost::algorithm::nth_finder(Search, Nth),
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                ::boost::algorithm::empty_formatter(Input) );
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						|
        }
 | 
						|
 | 
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//  erase_nth ( case insensitive ) ---------------------------------------------//
 | 
						|
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        //! Erase nth algorithm ( case insensitive )
 | 
						|
        /*!
 | 
						|
            Remove the Nth occurrence of the substring in the input.
 | 
						|
            The result is a modified copy of the input. It is returned as a sequence 
 | 
						|
            or copied to the output iterator. 
 | 
						|
            Searching is case insensitive.
 | 
						|
 | 
						|
            \param Output An output iterator to which the result will be copied
 | 
						|
            \param Input An input string
 | 
						|
            \param Search A substring to be searched for.
 | 
						|
            \param Nth An index of the match to be replaced. The index is 0-based.
 | 
						|
                For negative N, matches are counted from the end of string.
 | 
						|
            \param Loc A locale used for case insensitive comparison
 | 
						|
            \return An output iterator pointing just after the last inserted character or
 | 
						|
                a modified copy of the input
 | 
						|
 | 
						|
            \note The second variant of this function provides the strong exception-safety guarantee
 | 
						|
        */
 | 
						|
        template<
 | 
						|
            typename OutputIteratorT,
 | 
						|
            typename Range1T, 
 | 
						|
            typename Range2T>
 | 
						|
        inline OutputIteratorT ierase_nth_copy(
 | 
						|
            OutputIteratorT Output,
 | 
						|
            const Range1T& Input,
 | 
						|
            const Range2T& Search,
 | 
						|
            int Nth,
 | 
						|
            const std::locale& Loc=std::locale() )
 | 
						|
        {
 | 
						|
            return ::boost::algorithm::find_format_copy(
 | 
						|
                Output,
 | 
						|
                Input,
 | 
						|
                ::boost::algorithm::nth_finder(Search, Nth, is_iequal(Loc)),
 | 
						|
                ::boost::algorithm::empty_formatter(Input) );
 | 
						|
        }
 | 
						|
 | 
						|
        //! Erase nth algorithm
 | 
						|
        /*!
 | 
						|
            \overload
 | 
						|
        */
 | 
						|
        template<typename SequenceT, typename RangeT>
 | 
						|
        inline SequenceT ierase_nth_copy( 
 | 
						|
            const SequenceT& Input,
 | 
						|
            const RangeT& Search,
 | 
						|
            int Nth,
 | 
						|
            const std::locale& Loc=std::locale() )
 | 
						|
        {
 | 
						|
            return ::boost::algorithm::find_format_copy( 
 | 
						|
                Input, 
 | 
						|
                ::boost::algorithm::nth_finder(Search, Nth, is_iequal(Loc)),
 | 
						|
                empty_formatter(Input) );
 | 
						|
        }
 | 
						|
 | 
						|
        //! Erase nth algorithm
 | 
						|
        /*!
 | 
						|
            Remove the Nth occurrence of the substring in the input.
 | 
						|
            The input sequence is modified in-place. Searching is case insensitive.
 | 
						|
 | 
						|
            \param Input An input string
 | 
						|
            \param Search A substring to be searched for. 
 | 
						|
            \param Nth An index of the match to be replaced. The index is 0-based.
 | 
						|
                For negative N, matches are counted from the end of string.
 | 
						|
            \param Loc A locale used for case insensitive comparison
 | 
						|
        */
 | 
						|
        template<typename SequenceT, typename RangeT>
 | 
						|
        inline void ierase_nth( 
 | 
						|
            SequenceT& Input,
 | 
						|
            const RangeT& Search,
 | 
						|
            int Nth,
 | 
						|
            const std::locale& Loc=std::locale() )
 | 
						|
        {
 | 
						|
            ::boost::algorithm::find_format( 
 | 
						|
                Input, 
 | 
						|
                ::boost::algorithm::nth_finder(Search, Nth, is_iequal(Loc)),
 | 
						|
                ::boost::algorithm::empty_formatter(Input) );
 | 
						|
        }
 | 
						|
 | 
						|
 | 
						|
//  erase_all  --------------------------------------------------------//
 | 
						|
 | 
						|
        //! Erase all algorithm
 | 
						|
        /*!
 | 
						|
            Remove all the occurrences of the string from the input. 
 | 
						|
            The result is a modified copy of the input. It is returned as a sequence 
 | 
						|
            or copied to the output iterator.
 | 
						|
                        
 | 
						|
 | 
						|
            \param Output An output iterator to which the result will be copied
 | 
						|
            \param Input An input sequence
 | 
						|
            \param Search A substring to be searched for. 
 | 
						|
            \return An output iterator pointing just after the last inserted character or
 | 
						|
                    a modified copy of the input
 | 
						|
 | 
						|
            \note The second variant of this function provides the strong exception-safety guarantee
 | 
						|
        */
 | 
						|
        template<
 | 
						|
            typename OutputIteratorT,
 | 
						|
            typename Range1T, 
 | 
						|
            typename Range2T>
 | 
						|
        inline OutputIteratorT erase_all_copy(
 | 
						|
            OutputIteratorT Output,
 | 
						|
            const Range1T& Input,
 | 
						|
            const Range2T& Search )
 | 
						|
        {
 | 
						|
            return ::boost::algorithm::find_format_all_copy(
 | 
						|
                Output,
 | 
						|
                Input,
 | 
						|
                ::boost::algorithm::first_finder(Search),
 | 
						|
                ::boost::algorithm::empty_formatter(Input) );
 | 
						|
        }
 | 
						|
 | 
						|
        //! Erase all algorithm
 | 
						|
        /*!
 | 
						|
            \overload
 | 
						|
        */  
 | 
						|
        template<typename SequenceT, typename RangeT>
 | 
						|
        inline SequenceT erase_all_copy( 
 | 
						|
            const SequenceT& Input,
 | 
						|
            const RangeT& Search )
 | 
						|
        {
 | 
						|
            return ::boost::algorithm::find_format_all_copy( 
 | 
						|
                Input, 
 | 
						|
                ::boost::algorithm::first_finder(Search),
 | 
						|
                ::boost::algorithm::empty_formatter(Input) );
 | 
						|
        }
 | 
						|
 | 
						|
        //! Erase all algorithm
 | 
						|
        /*!
 | 
						|
            Remove all the occurrences of the string from the input. 
 | 
						|
            The input sequence is modified in-place.
 | 
						|
 | 
						|
            \param Input An input string
 | 
						|
            \param Search A substring to be searched for. 
 | 
						|
        */
 | 
						|
        template<typename SequenceT, typename RangeT>
 | 
						|
        inline void erase_all( 
 | 
						|
            SequenceT& Input,
 | 
						|
            const RangeT& Search )
 | 
						|
        {
 | 
						|
            ::boost::algorithm::find_format_all( 
 | 
						|
                Input, 
 | 
						|
                ::boost::algorithm::first_finder(Search),
 | 
						|
                ::boost::algorithm::empty_formatter(Input) );
 | 
						|
        }
 | 
						|
 | 
						|
//  erase_all ( case insensitive ) ------------------------------------//
 | 
						|
 | 
						|
        //! Erase all algorithm ( case insensitive )
 | 
						|
        /*!
 | 
						|
            Remove all the occurrences of the string from the input. 
 | 
						|
            The result is a modified copy of the input. It is returned as a sequence 
 | 
						|
            or copied to the output iterator. 
 | 
						|
            Searching is case insensitive.
 | 
						|
 | 
						|
            \param Output An output iterator to which the result will be copied
 | 
						|
            \param Input An input string
 | 
						|
            \param Search A substring to be searched for
 | 
						|
            \param Loc A locale used for case insensitive comparison
 | 
						|
            \return An output iterator pointing just after the last inserted character or
 | 
						|
                    a modified copy of the input
 | 
						|
 | 
						|
              \note The second variant of this function provides the strong exception-safety guarantee
 | 
						|
        */
 | 
						|
        template<
 | 
						|
            typename OutputIteratorT,
 | 
						|
            typename Range1T, 
 | 
						|
            typename Range2T>
 | 
						|
        inline OutputIteratorT ierase_all_copy(
 | 
						|
            OutputIteratorT Output,
 | 
						|
            const Range1T& Input,
 | 
						|
            const Range2T& Search,
 | 
						|
            const std::locale& Loc=std::locale() )
 | 
						|
        {
 | 
						|
            return ::boost::algorithm::find_format_all_copy(
 | 
						|
                Output,
 | 
						|
                Input,
 | 
						|
                ::boost::algorithm::first_finder(Search, is_iequal(Loc)),
 | 
						|
                ::boost::algorithm::empty_formatter(Input) );
 | 
						|
        }
 | 
						|
 | 
						|
        //! Erase all algorithm ( case insensitive )
 | 
						|
        /*!
 | 
						|
            \overload
 | 
						|
        */
 | 
						|
        template<typename SequenceT, typename RangeT>
 | 
						|
        inline SequenceT ierase_all_copy( 
 | 
						|
            const SequenceT& Input,
 | 
						|
            const RangeT& Search,
 | 
						|
            const std::locale& Loc=std::locale() )
 | 
						|
        {
 | 
						|
            return ::boost::algorithm::find_format_all_copy( 
 | 
						|
                Input, 
 | 
						|
                ::boost::algorithm::first_finder(Search, is_iequal(Loc)),
 | 
						|
                ::boost::algorithm::empty_formatter(Input) );
 | 
						|
        }
 | 
						|
 | 
						|
        //! Erase all algorithm ( case insensitive )
 | 
						|
        /*!
 | 
						|
            Remove all the occurrences of the string from the input. 
 | 
						|
            The input sequence is modified in-place. Searching is case insensitive.
 | 
						|
 | 
						|
            \param Input An input string
 | 
						|
            \param Search A substring to be searched for. 
 | 
						|
            \param Loc A locale used for case insensitive comparison
 | 
						|
        */
 | 
						|
        template<typename SequenceT, typename RangeT>
 | 
						|
        inline void ierase_all( 
 | 
						|
            SequenceT& Input,
 | 
						|
            const RangeT& Search,
 | 
						|
            const std::locale& Loc=std::locale() )
 | 
						|
        {
 | 
						|
            ::boost::algorithm::find_format_all( 
 | 
						|
                Input, 
 | 
						|
                ::boost::algorithm::first_finder(Search, is_iequal(Loc)),
 | 
						|
                ::boost::algorithm::empty_formatter(Input) );
 | 
						|
        }
 | 
						|
 | 
						|
//  erase_head --------------------------------------------------------------------//
 | 
						|
 | 
						|
        //! Erase head algorithm
 | 
						|
        /*!
 | 
						|
            Remove the head from the input. The head is a prefix of a sequence of given size. 
 | 
						|
            If the sequence is shorter then required, the whole string is 
 | 
						|
            considered to be the head. The result is a modified copy of the input. 
 | 
						|
            It is returned as a sequence or copied to the output iterator.
 | 
						|
            
 | 
						|
 | 
						|
            \param Output An output iterator to which the result will be copied
 | 
						|
            \param Input An input string
 | 
						|
            \param N Length of the head.
 | 
						|
                For N>=0, at most N characters are extracted.
 | 
						|
                For N<0, size(Input)-|N| characters are extracted.
 | 
						|
            \return An output iterator pointing just after the last inserted character or
 | 
						|
                a modified copy of the input
 | 
						|
 | 
						|
             \note The second variant of this function provides the strong exception-safety guarantee
 | 
						|
        */
 | 
						|
        template<
 | 
						|
            typename OutputIteratorT,
 | 
						|
            typename RangeT>
 | 
						|
        inline OutputIteratorT erase_head_copy(
 | 
						|
            OutputIteratorT Output,
 | 
						|
            const RangeT& Input,
 | 
						|
            int N )
 | 
						|
        {
 | 
						|
            return ::boost::algorithm::find_format_copy(
 | 
						|
                Output,
 | 
						|
                Input,
 | 
						|
                ::boost::algorithm::head_finder(N),
 | 
						|
                ::boost::algorithm::empty_formatter( Input ) );
 | 
						|
        }
 | 
						|
 | 
						|
        //! Erase head algorithm
 | 
						|
        /*!
 | 
						|
            \overload
 | 
						|
        */
 | 
						|
        template<typename SequenceT>
 | 
						|
        inline SequenceT erase_head_copy( 
 | 
						|
            const SequenceT& Input,
 | 
						|
            int N )
 | 
						|
        {
 | 
						|
            return ::boost::algorithm::find_format_copy( 
 | 
						|
                Input,
 | 
						|
                ::boost::algorithm::head_finder(N),
 | 
						|
                ::boost::algorithm::empty_formatter( Input ) );
 | 
						|
        }
 | 
						|
 | 
						|
        //! Erase head algorithm
 | 
						|
        /*!
 | 
						|
            Remove the head from the input. The head is a prefix of a sequence of given size. 
 | 
						|
            If the sequence is shorter then required, the whole string is 
 | 
						|
            considered to be the head. The input sequence is modified in-place.
 | 
						|
 | 
						|
            \param Input An input string
 | 
						|
            \param N Length of the head
 | 
						|
                For N>=0, at most N characters are extracted.
 | 
						|
                For N<0, size(Input)-|N| characters are extracted.
 | 
						|
        */
 | 
						|
        template<typename SequenceT>
 | 
						|
        inline void erase_head( 
 | 
						|
            SequenceT& Input,
 | 
						|
            int N )
 | 
						|
        {
 | 
						|
            ::boost::algorithm::find_format( 
 | 
						|
                Input, 
 | 
						|
                ::boost::algorithm::head_finder(N),
 | 
						|
                ::boost::algorithm::empty_formatter( Input ) );
 | 
						|
        }
 | 
						|
 | 
						|
//  erase_tail --------------------------------------------------------------------//
 | 
						|
 | 
						|
        //! Erase tail algorithm
 | 
						|
        /*!
 | 
						|
            Remove the tail from the input. The tail is a suffix of a sequence of given size. 
 | 
						|
            If the sequence is shorter then required, the whole string is 
 | 
						|
            considered to be the tail. 
 | 
						|
            The result is a modified copy of the input. It is returned as a sequence 
 | 
						|
            or copied to the output iterator.
 | 
						|
 | 
						|
            \param Output An output iterator to which the result will be copied
 | 
						|
            \param Input An input string
 | 
						|
            \param N Length of the tail.                 
 | 
						|
                For N>=0, at most N characters are extracted.
 | 
						|
                For N<0, size(Input)-|N| characters are extracted.
 | 
						|
            \return An output iterator pointing just after the last inserted character or
 | 
						|
                a modified copy of the input
 | 
						|
            
 | 
						|
             \note The second variant of this function provides the strong exception-safety guarantee
 | 
						|
        */
 | 
						|
        template<
 | 
						|
            typename OutputIteratorT,
 | 
						|
            typename RangeT>
 | 
						|
        inline OutputIteratorT erase_tail_copy(
 | 
						|
            OutputIteratorT Output,
 | 
						|
            const RangeT& Input,
 | 
						|
            int N )
 | 
						|
        {
 | 
						|
            return ::boost::algorithm::find_format_copy(
 | 
						|
                Output,
 | 
						|
                Input,
 | 
						|
                ::boost::algorithm::tail_finder(N),
 | 
						|
                ::boost::algorithm::empty_formatter( Input ) );
 | 
						|
        }
 | 
						|
 | 
						|
        //! Erase tail algorithm
 | 
						|
        /*!
 | 
						|
            \overload
 | 
						|
        */
 | 
						|
        template<typename SequenceT>
 | 
						|
        inline SequenceT erase_tail_copy( 
 | 
						|
            const SequenceT& Input,
 | 
						|
            int N )
 | 
						|
        {
 | 
						|
            return ::boost::algorithm::find_format_copy( 
 | 
						|
                Input,
 | 
						|
                ::boost::algorithm::tail_finder(N),
 | 
						|
                ::boost::algorithm::empty_formatter( Input ) );
 | 
						|
        }
 | 
						|
 | 
						|
        //! Erase tail algorithm
 | 
						|
        /*!
 | 
						|
            Remove the tail from the input. The tail is a suffix of a sequence of given size. 
 | 
						|
            If the sequence is shorter then required, the whole string is
 | 
						|
            considered to be the tail. The input sequence is modified in-place.
 | 
						|
 | 
						|
            \param Input An input string
 | 
						|
            \param N Length of the tail
 | 
						|
                For N>=0, at most N characters are extracted.
 | 
						|
                For N<0, size(Input)-|N| characters are extracted.
 | 
						|
        */
 | 
						|
        template<typename SequenceT>
 | 
						|
        inline void erase_tail( 
 | 
						|
            SequenceT& Input,
 | 
						|
            int N )
 | 
						|
        {
 | 
						|
            ::boost::algorithm::find_format( 
 | 
						|
                Input, 
 | 
						|
                ::boost::algorithm::tail_finder(N),
 | 
						|
                ::boost::algorithm::empty_formatter( Input ) );
 | 
						|
        }
 | 
						|
 | 
						|
    } // namespace algorithm
 | 
						|
 | 
						|
    // pull names into the boost namespace
 | 
						|
    using algorithm::erase_range_copy;
 | 
						|
    using algorithm::erase_range;
 | 
						|
    using algorithm::erase_first_copy;
 | 
						|
    using algorithm::erase_first;
 | 
						|
    using algorithm::ierase_first_copy;
 | 
						|
    using algorithm::ierase_first;
 | 
						|
    using algorithm::erase_last_copy;
 | 
						|
    using algorithm::erase_last;
 | 
						|
    using algorithm::ierase_last_copy;
 | 
						|
    using algorithm::ierase_last;
 | 
						|
    using algorithm::erase_nth_copy;
 | 
						|
    using algorithm::erase_nth;
 | 
						|
    using algorithm::ierase_nth_copy;
 | 
						|
    using algorithm::ierase_nth;
 | 
						|
    using algorithm::erase_all_copy;
 | 
						|
    using algorithm::erase_all;
 | 
						|
    using algorithm::ierase_all_copy;
 | 
						|
    using algorithm::ierase_all;
 | 
						|
    using algorithm::erase_head_copy;
 | 
						|
    using algorithm::erase_head;
 | 
						|
    using algorithm::erase_tail_copy;
 | 
						|
    using algorithm::erase_tail;
 | 
						|
 | 
						|
} // namespace boost
 | 
						|
 | 
						|
 | 
						|
#endif  // BOOST_ERASE_HPP
 |