#include <boost/algorithm/string.hpp>

#include "M2.h"

namespace MosesTuning

{

namespace M2

{

bool Annot::lowercase = true;

std::string Annot::transform(const std::string& e)

{

std::string temp = e;

if(lowercase) {

boost::erase_all(temp, " ");

return ToLower(temp);

} else

return e;

}

const std::string ToLower(const std::string& str)

{

std::string lc(str);

std::transform(lc.begin(), lc.end(), lc.begin(), (int(*)(int))std::tolower);

return lc;

}

Edit operator+(Edit& e1, Edit& e2)

{

std::string edit;

if(e1.edit.size() > 0 && e2.edit.size() > 0)

edit = e1.edit + " " + e2.edit;

else if(e1.edit.size() > 0)

edit = e1.edit;

else if(e2.edit.size() > 0)

edit = e2.edit;

return Edit(e1.cost + e2.cost, e1.changed + e2.changed, e1.unchanged + e2.unchanged, edit);

}

Edge operator+(Edge e1, Edge e2)

{

return Edge(e1.v, e2.u, e1.edit + e2.edit);

}

std::ostream& operator<<(std::ostream& o, Sentence s)

{

for(Sentence::iterator it = s.begin(); it != s.end(); it++)

o << *it << " ";

return o;

}

}

}