convertinganalyser.h
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/*
Copyright (C) 2010 Tomasz Śniatowski, Adam Radziszewski
Part of the libmaca project
This program 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 3 of the License, or (at your option)
any later version.
This program 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 LICENSE.MACA, LICENSE.SFST, LICENSE.GUESSER, COPYING.LESSER and COPYING files for more details.
*/
#ifndef LIBMACA_MORPH_CONVERTINGANALYSER_H
#define LIBMACA_MORPH_CONVERTINGANALYSER_H
#include <libmaca/morph/morphanalyser.h>
#include <libmaca/conv/tagsetconverter.h>
#include <boost/scoped_ptr.hpp>
namespace Maca {
/**
* A wrapper analyser that passes the output of some analyser through a
* converter.
*
* Configuration class key: \b wrap_convert
*/
class ConvertingAnalyser : public MorphAnalyser
{
public:
/**
* Create a converting analyser from an analyser and a converter
*/
ConvertingAnalyser(MorphAnalyser* ma, Conversion::TagsetConverter* conv);
/**
* Config node constructor. Recognized keys are:
* - wrapped_class - the actual analyser to instantiate and wrap
* - wrapped_converter - the converter to use
* - wrapped_tagset - tagset of the wrapped analyser -- the 'tagset' key is
* the tagset of this analyser, so should be equal to
* the output tagset of the converter. Conversely, the
* input tagste of the converter should be the wrapped
* tagset.
* Keys are passed to the wrapped analyser, with the tagset substituted
* with the wrapped_tagset.
*/
explicit ConvertingAnalyser(const Config::Node& cfg);
/// Cloning
ConvertingAnalyser* clone() const;
/// MapAnalyser override
bool process_functional(const Toki::Token &t
, boost::function<void (Corpus2::Token*)> sink);
/// Class identifier
static const char* identifier;
/// Registered flag
static bool registered;
private:
/// The wrapped analyser
boost::scoped_ptr<MorphAnalyser> wrapped_;
/// The converter object
boost::scoped_ptr<Conversion::TagsetConverter> converter_;
};
} /* end ns Maca */
#endif // LIBMACA_MORPH_CONVERTINGANALYSER_H