erase.hpp

C++的一个好库。。。现在很流行

        inline SequenceT erase_nth_copy( 
            const SequenceT& Input,
            const RangeT& Search,
            unsigned int Nth )
        {
            return find_format_copy( 
                Input, 
                nth_finder(Search, Nth),
                empty_formatter(Input) );
        }

        //! 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.
        */
        template<typename SequenceT, typename RangeT>
        inline void erase_nth( 
            SequenceT& Input,
            const RangeT& Search,
            unsigned int Nth )
        {
            find_format( 
                Input, 
                nth_finder(Search, Nth),
                empty_formatter(Input) );
        }

//  erase_nth ( case insensitive ) ---------------------------------------------//

        //! 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.
            \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,
            unsigned int Nth,
            const std::locale& Loc=std::locale() )
        {
            return find_format_copy(
                Output,
                Input,
                nth_finder(Search, Nth, is_iequal(Loc)),
                empty_formatter(Input) );
        }

        //! Erase nth algorithm
        /*!
            \overload
        */
        template<typename SequenceT, typename RangeT>
        inline SequenceT ierase_nth_copy( 
            const SequenceT& Input,
            const RangeT& Search,
            unsigned int Nth,
            const std::locale& Loc=std::locale() )
        {
            return find_format_copy( 
                Input, 
                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.
            \param Loc A locale used for case insensitive comparison
        */
        template<typename SequenceT, typename RangeT>
        inline void ierase_nth( 
            SequenceT& Input,
            const RangeT& Search,
            unsigned int Nth,
            const std::locale& Loc=std::locale() )
        {
            find_format( 
                Input, 
                nth_finder(Search, Nth, is_iequal(Loc)),
                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 find_format_all_copy(
                Output,
                Input,
                first_finder(Search),
                empty_formatter(Input) );
        }

        //! Erase all algorithm
        /*!
            \overload
        */  
        template<typename SequenceT, typename RangeT>
        inline SequenceT erase_all_copy( 
            const SequenceT& Input,
            const RangeT& Search )
        {
            return find_format_all_copy( 
                Input, 
                first_finder(Search),
                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 )
        {
            find_format_all( 
                Input, 
                first_finder(Search),
                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 find_format_all_copy(
                Output,
                Input,
                first_finder(Search, is_iequal(Loc)),
                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 find_format_all_copy( 
                Input, 
                first_finder(Search, is_iequal(Loc)),
                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() )
        {
            find_format_all( 
                Input, 
                first_finder(Search, is_iequal(Loc)),
                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
            \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,
            unsigned int N )
        {
            return find_format_copy(
                Output,
                Input,
                head_finder(N),
                empty_formatter( Input ) );
        }

        //! Erase head algorithm
        /*!
            \overload
        */
        template<typename SequenceT>
        inline SequenceT erase_head_copy( 
            const SequenceT& Input,
            unsigned int N )
        {
            return find_format_copy( 
                Input,
                head_finder(N),
                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
        */
        template<typename SequenceT>
        inline void erase_head( 
            SequenceT& Input,
            unsigned int N )
        {
            find_format( 
                Input, 
                head_finder(N),
                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 head
            \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,
            unsigned int N )
        {
            return find_format_copy(
                Output,
                Input,
                tail_finder(N),
                empty_formatter( Input ) );
        }

        //! Erase tail algorithm
        /*!
            \overload
        */
        template<typename SequenceT>
        inline SequenceT erase_tail_copy( 
            const SequenceT& Input,
            unsigned int N )
        {
            return find_format_copy( 
                Input,
                tail_finder(N),
                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 head
        */
        template<typename SequenceT>
        inline void erase_tail( 
            SequenceT& Input,
            unsigned int N )
        {
            find_format( 
                Input, 
                tail_finder(N),
                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