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/*********************************
tercpp: an open-source Translation Edit Rate (TER) scorer tool for Machine Translation.

Copyright 2010-2013, Christophe Servan, LIUM, University of Le Mans, France
Contact: christophe.servan@lium.univ-lemans.fr

The tercpp tool and library are 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 licence, or
(at your option) any later version.

This program and library are 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 Lesser General Public License
along with this library; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
**********************************/
#include "terShift.h"

using namespace std;
namespace TERCpp
{

// 	terShift::terShift()
// 	{
// // 		vector<string> ref;
// // 		vector<string> hyp;
// // 		vector<string> aftershift;
//
// 		//   terShift[] allshifts = null;
//
// 		numEdits=0;
// 		numWords=0;
// 		bestRef="";
//
// 		numIns=0;
// 		numDel=0;
// 		numSub=0;
// 		numSft=0;
// 		numWsf=0;
// 	}
    terShift::terShift ()
    {
        start = 0;
        end = 0;
        moveto = 0;
        newloc = 0;
        cost=1.0;
        shifted.clear();
        alignment.clear();
        aftershift.clear();
    }
    terShift::terShift ( int _start, int _end, int _moveto, int _newloc )
    {
        start = _start;
        end = _end;
        moveto = _moveto;
        newloc = _newloc;
        cost=1.0;
    }

    terShift::terShift ( int _start, int _end, int _moveto, int _newloc, vector<string> _shifted )
    {
        start = _start;
        end = _end;
        moveto = _moveto;
        newloc = _newloc;
        shifted = _shifted;
        cost=1.0;
    }
    void terShift::set(terShift l_terShift)
    {
	start=l_terShift.start;
        end=l_terShift.end;
        moveto=l_terShift.moveto;
        newloc=l_terShift.newloc;
        shifted=l_terShift.shifted; 
//         alignment=l_terShift.alignment; 
//         aftershift=l_terShift.aftershift; 
    }
    void terShift::set(terShift *l_terShift)
    {
	start=l_terShift->start;
        end=l_terShift->end;
        moveto=l_terShift->moveto;
        newloc=l_terShift->newloc;
        shifted=l_terShift->shifted; 
//         alignment=l_terShift->alignment; 
//         aftershift=l_terShift->aftershift;
    }

    void terShift::erase()
    {
        start = 0;
        end = 0;
        moveto = 0;
        newloc = 0;
        cost=1.0;
        shifted.clear(); 
        alignment.clear(); 
        aftershift.clear(); 
    }

    
    
// 	string terShift::vectorToString(vector<string> vec)
// 	{
// 		string retour("");
// 		for (vector<string>::iterator vecIter=vec.begin();vecIter!=vec.end(); vecIter++)
// 		{
// 			retour+=(*vecIter)+"\t";
// 		}
// 		return retour;
// 	}

    string terShift::toString()
    {
        stringstream s;
        s.str ( "" );
        s << "[" << start << ", " << end << ", " << moveto << "/" << newloc << "]";
        if ( ( int ) shifted.size() > 0 )
        {
            s << " (" << vectorToString ( shifted ) << ")";
        }
//         s<< endl;
//         if ( ( int ) shifted.size() > 0 )
//         {
//             s << " (" << vectorToString ( alignment ) << ")";
//         }
//         s<< endl;
//         if ( ( int ) shifted.size() > 0 )
//         {
//             s << " (" << vectorToString ( aftershift ) << ")";
//         }
        return s.str();
    }

    /* The distance of the shift. */
    int terShift::distance()
    {
        if ( moveto < start )
        {
            return start - moveto;
        }
        else if ( moveto > end )
        {
            return moveto - end;
        }
        else
        {
            return moveto - start;
        }
    }

    bool terShift::leftShift()
    {
        return ( moveto < start );
    }

    int terShift::size()
    {
        return ( end - start ) + 1;
    }
// 	terShift terShift::operator=(terShift t)
// 	{
//
// 		return t;
// 	}


}