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/*
 * ConsistentPhrase.h
 *
 *  Created on: 20 Feb 2014
 *      Author: hieu
 */

#pragma once

#include <cassert>
#include <vector>
#include <iostream>
#include "moses/TypeDef.h"
#include "NonTerm.h"

class ConsistentPhrase
{
public:
  typedef std::vector<NonTerm> NonTerms;

  std::vector<int> corners;

  ConsistentPhrase(const ConsistentPhrase &copy); // do not implement
  ConsistentPhrase(int sourceStart, int sourceEnd,
                   int targetStart, int targetEnd,
                   const Parameter &params);

  virtual ~ConsistentPhrase();

  int GetWidth(Moses::FactorDirection direction) const {
    return (direction == Moses::Input) ? corners[1] - corners[0] + 1 : corners[3] - corners[2] + 1;
  }


  void AddNonTerms(const std::string &source,
                   const std::string &target);
  const NonTerms &GetNonTerms() const {
    return m_nonTerms;
  }
  const NonTerm &GetHieroNonTerm() const {
    return m_hieroNonTerm;
  }

  bool TargetOverlap(const ConsistentPhrase &other) const;

  bool operator<(const ConsistentPhrase &other) const;

  std::string Debug() const;

protected:
  NonTerms m_nonTerms;
  NonTerm m_hieroNonTerm;
};