encode.h
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// See www.openfst.org for extensive documentation on this weighted
// finite-state transducer library.
#ifndef FST_SCRIPT_ENCODE_H_
#define FST_SCRIPT_ENCODE_H_
#include <memory>
#include <string>
#include <tuple>
#include <utility>
#include <fst/encode.h>
#include <fst/script/encodemapper-class.h>
#include <fst/script/fst-class.h>
namespace fst {
namespace script {
using EncodeArgs1 = std::tuple<MutableFstClass *, uint32, bool, const string &>;
template <class Arc>
void Encode(EncodeArgs1 *args) {
MutableFst<Arc> *fst = std::get<0>(*args)->GetMutableFst<Arc>();
const string &coder_fname = std::get<3>(*args);
// If true, reuse encode from disk. If false, make a new encoder and just use
// the filename argument as the destination state.
std::unique_ptr<EncodeMapper<Arc>> encoder(
std::get<2>(*args) ? EncodeMapper<Arc>::Read(coder_fname, ENCODE)
: new EncodeMapper<Arc>(std::get<1>(*args), ENCODE));
Encode(fst, encoder.get());
if (!std::get<2>(*args)) encoder->Write(coder_fname);
}
using EncodeArgs2 = std::pair<MutableFstClass *, EncodeMapperClass *>;
template <class Arc>
void Encode(EncodeArgs2 *args) {
MutableFst<Arc> *fst = std::get<0>(*args)->GetMutableFst<Arc>();
EncodeMapper<Arc> *encoder = std::get<1>(*args)->GetEncodeMapper<Arc>();
Encode(fst, encoder);
}
void Encode(MutableFstClass *fst, uint32 flags, bool reuse_encoder,
const string &coder_fname);
void Encode(MutableFstClass *fst, EncodeMapperClass *encoder);
} // namespace script
} // namespace fst
#endif // FST_SCRIPT_ENCODE_H_