edge_functors.h

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// Common Text Transformation Library
// Copyright (C) 1997-2006 by Igor Kholodov. 
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the
// Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// mailto:cttl@users.sourceforge.net
// http://sourceforge.net/projects/cttl/

// edge_functors.h

#ifndef _CTTL_EDGE_FUNCTORS_H_INCLUDED_
#define _CTTL_EDGE_FUNCTORS_H_INCLUDED_

#include "edge.h"

namespace cttl {

template< typename PolicyT = policy_default, typename StringT = CTTL_STD_STRING >
struct edge_replace : public std::unary_function< edge< PolicyT, StringT >, void >
{
    edge_replace( StringT const& str_ )
        :
        m_str( str_ )
    {}
    
    void operator()( edge< PolicyT, StringT >& edge_ )
    {
        edge_.text( m_str );
    }
    
    StringT m_str;
};

template< typename PolicyT = policy_default, typename StringT = CTTL_STD_STRING >
struct edge_first_insert_go : public std::unary_function< edge< PolicyT, StringT >, void >
{
    edge_first_insert_go( StringT const& str_ )
        :
        m_str( str_ )
    {}
    
    void operator() ( edge< PolicyT, StringT >& edge_ )
    {
        edge_.first.insert_go( m_str );
    }
    
    StringT m_str;
};

template< typename PolicyT = policy_default, typename StringT = CTTL_STD_STRING >
struct edge_first_insert_stay : public std::unary_function< edge< PolicyT, StringT >, void >
{
    edge_first_insert_stay( StringT const& str_ )
        :
        m_str( str_ )
    {}
    
    void operator() ( edge< PolicyT, StringT >& edge_ )
    {
        edge_.first.insert_stay( m_str );
    }
    
    StringT m_str;
};

template< typename PolicyT = policy_default, typename StringT = CTTL_STD_STRING >
struct edge_second_insert_go : public std::unary_function< edge< PolicyT, StringT >, void >
{
    edge_second_insert_go( StringT const& str_ )
        :
        m_str( str_ )
    {}
    
    void operator() ( edge< PolicyT, StringT >& edge_ )
    {
        edge_.second.insert_go( m_str );
    }
    
    StringT m_str;
};

template< typename PolicyT = policy_default, typename StringT = CTTL_STD_STRING >
struct edge_second_insert_stay : public std::unary_function< edge< PolicyT, StringT >, void >
{
    edge_second_insert_stay( StringT const& str_ )
        :
        m_str( str_ )
    {}
    
    void operator() ( edge< PolicyT, StringT >& edge_ )
    {
        edge_.second.insert_stay( m_str );
    }
    
    StringT m_str;
};

}   // namespace cttl

#endif // _CTTL_EDGE_FUNCTORS_H_INCLUDED_

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