arc-class.h
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// See www.openfst.org for extensive documentation on this weighted
// finite-state transducer library.
#ifndef FST_SCRIPT_ARC_CLASS_H_
#define FST_SCRIPT_ARC_CLASS_H_
#include <fst/script/weight-class.h>
namespace fst {
namespace script {
// A struct representing an arc while ignoring arc type. It is passed as an
// argument to AddArc.
struct ArcClass {
template <class Arc>
explicit ArcClass(const Arc &arc)
: ilabel(arc.ilabel), olabel(arc.olabel), weight(arc.weight),
nextstate(arc.nextstate) {}
ArcClass(int64 ilabel, int64 olabel, const WeightClass &weight,
int64 nextstate)
: ilabel(ilabel), olabel(olabel), weight(weight), nextstate(nextstate) {}
template <class Arc>
Arc GetArc() const {
return Arc(ilabel, olabel, *(weight.GetWeight<typename Arc::Weight>()),
nextstate);
}
int64 ilabel;
int64 olabel;
WeightClass weight;
int64 nextstate;
};
} // namespace script
} // namespace fst
#endif // FST_SCRIPT_ARC_CLASS_H_