tokencontext.h

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// -*- C++ -*-
/*
  Phrasehunter - index and query text corpora
  Copyright (C) 2006  Torsten Marek (shlomme@gmx.de) &
  Armin Schmidt (armin.sch@gmail.com)
  
  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 2
  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
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

#ifndef TOKENCONTEXT_H
#define TOKENCONTEXT_H TOKENCONTEXT_H

#include "ph_types.h"
#include "support/unicodehelpers.h"

namespace PhraseHunter 
{
//! Class that holds one specific context to a Token.
class TokenContext
{
public:
    static TokenContextPtr emptyContext(DocID, IdxPos, size_t);
    
    inline DocID docID()
    {
        return m_docID;
    }

    inline void setDocID(DocID docID) 
    {
        m_docID = docID;
    }
    inline void setPosition(IdxPos position) 
    {
        m_position = position;
    }
    inline void setTokenLength(size_t tokenLength) 
    {
        m_tokenLength = tokenLength;
    }
    inline IdxPos position()
    {
        return m_position;
    }
    inline size_t tokenLength() 
    {
        return m_tokenLength;
    }
    
    inline bool empty() 
    {
        return m_leftContext.get() == NULL;
    }
    
    void setLeftContext(schma::UnicodePtr leftContext) 
    {
        m_leftContext = leftContext;
    }
    void setToken(schma::UnicodePtr token) 
    {
        m_token = token;
    }
    void setRightContext(schma::UnicodePtr rightContext) 
    {
        m_rightContext = rightContext;
    }
    
    inline schma::UnicodePtr leftContext() 
    {
        return m_leftContext;
    }
    inline schma::UnicodePtr rightContext()
    {
        return m_rightContext;
    }
    inline schma::UnicodePtr token()
    {
        return m_token;
    }
    
private:
    schma::UnicodePtr m_leftContext;
    schma::UnicodePtr m_token;
    schma::UnicodePtr m_rightContext;

    DocID m_docID;
    IdxPos m_position;
    size_t m_tokenLength;
    
    TokenContext()
    {}
};


} // PhraseHunter

#endif // TOKENCONTEXT_H

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