DecompressString.h

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/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * Written (W) 2009 Soeren Sonnenburg
 * Copyright (C) 2009 Berlin Institute of Technology
 */

#ifndef _CDECOMPRESS_STRING__H__
#define _CDECOMPRESS_STRING__H__

#include <shogun/lib/config.h>

#include <shogun/features/Features.h>
#include <shogun/features/StringFeatures.h>
#include <shogun/lib/common.h>
#include <shogun/lib/Compressor.h>
#include <shogun/preprocessor/StringPreprocessor.h>

namespace shogun
{
template <class ST> class CStringFeatures;
class CCompressor;

template <class ST> class CDecompressString : public CStringPreprocessor<ST>
{
    public:
        CDecompressString();

        CDecompressString(E_COMPRESSION_TYPE ct);

        virtual ~CDecompressString();

        virtual bool init(CFeatures* f);

        virtual void cleanup();

        bool load(FILE* f);

        bool save(FILE* f);

        virtual bool apply_to_string_features(CFeatures* f);

        virtual ST* apply_to_string(ST* f, int32_t &len);

        virtual const char* get_name() const { return "DecompressString"; }

        virtual EPreprocessorType get_type() const;

    protected:
        CCompressor* compressor;
};
}
#endif