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// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Copyright 2005-2010 Google, Inc.
// Author: riley@google.com (Jake Ratkiewicz)
#ifndef FST_SCRIPT_DISAMBIGUATE_H_
#define FST_SCRIPT_DISAMBIGUATE_H_
#include <fst/disambiguate.h>
#include <fst/script/arg-packs.h>
#include <fst/script/fst-class.h>
#include <fst/script/weight-class.h>
namespace fst {
namespace script {
struct DisambiguateOptions {
float delta;
WeightClass weight_threshold;
int64 state_threshold;
int64 subsequential_label;
explicit DisambiguateOptions(float d = fst::kDelta,
WeightClass w =
fst::script::WeightClass::Zero(),
int64 n = fst::kNoStateId, int64 l = 0)
: delta(d), weight_threshold(w), state_threshold(n),
subsequential_label(l) {}
};
typedef args::Package<const FstClass&, MutableFstClass*,
const DisambiguateOptions &> DisambiguateArgs;
template<class Arc>
void Disambiguate(DisambiguateArgs *args) {
const Fst<Arc> &ifst = *(args->arg1.GetFst<Arc>());
MutableFst<Arc> *ofst = args->arg2->GetMutableFst<Arc>();
const DisambiguateOptions &opts = args->arg3;
fst::DisambiguateOptions<Arc> detargs;
detargs.delta = opts.delta;
detargs.weight_threshold =
*(opts.weight_threshold.GetWeight<typename Arc::Weight>());
detargs.state_threshold = opts.state_threshold;
detargs.subsequential_label = opts.subsequential_label;
Disambiguate(ifst, ofst, detargs);
}
void Disambiguate(const FstClass &ifst, MutableFstClass *ofst,
const DisambiguateOptions &opts =
fst::script::DisambiguateOptions());
} // namespace script
} // namespace fst
#endif // FST_SCRIPT_DISAMBIGUATE_H_
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