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#ifndef __LATTICE_H_
#define __LATTICE_H_
#include <string>
#include <vector>
#include "wordid.h"
struct LatticeArc {
WordID label;
double cost;
int dist2next;
LatticeArc() : label(), cost(), dist2next() {}
LatticeArc(WordID w, double c, int i) : label(w), cost(c), dist2next(i) {}
};
class Lattice : public std::vector<std::vector<LatticeArc> > {
public:
Lattice() {}
explicit Lattice(size_t t, const std::vector<LatticeArc>& v = std::vector<LatticeArc>()) :
std::vector<std::vector<LatticeArc> >(t, v) {}
// TODO add distance functions
};
struct LatticeTools {
static bool LooksLikePLF(const std::string &line);
static void ConvertTextToLattice(const std::string& text, Lattice* pl);
static void ConvertTextOrPLF(const std::string& text_or_plf, Lattice* pl);
};
#endif
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