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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: jpr@google.com (Jake Ratkiewicz)
#ifndef FST_SCRIPT_RELABEL_H_
#define FST_SCRIPT_RELABEL_H_
#include <utility>
using std::pair; using std::make_pair;
#include <algorithm>
#include <vector>
using std::vector;
#include <fst/script/arg-packs.h>
#include <fst/script/fst-class.h>
#include <fst/relabel.h>
namespace fst {
namespace script {
// 1
typedef args::Package<MutableFstClass *,
const SymbolTable *, const SymbolTable *, bool,
const SymbolTable *, const SymbolTable *,
bool> RelabelArgs1;
template<class Arc>
void Relabel(RelabelArgs1 *args) {
MutableFst<Arc> *ofst = args->arg1->GetMutableFst<Arc>();
Relabel(ofst, args->arg2, args->arg3, args->arg4,
args->arg5, args->arg6, args->arg7);
}
// 2
typedef args::Package<MutableFstClass*,
const vector<pair<int64, int64> > &,
const vector<pair<int64, int64> > > RelabelArgs2;
template<class Arc>
void Relabel(RelabelArgs2 *args) {
MutableFst<Arc> *ofst = args->arg1->GetMutableFst<Arc>();
// In case int64 is not the same as Arc::Label,
// copy the reassignments
typedef typename Arc::Label Label;
vector<pair<Label, Label> > converted_ipairs(args->arg2.size());
copy(args->arg2.begin(), args->arg2.end(), converted_ipairs.begin());
vector<pair<Label, Label> > converted_opairs(args->arg3.size());
copy(args->arg3.begin(), args->arg3.end(), converted_opairs.begin());
Relabel(ofst, converted_ipairs, converted_opairs);
}
// 3
typedef args::Package<MutableFstClass*, const SymbolTable*,
const SymbolTable*> RelabelArgs3;
template<class Arc>
void Relabel(args::Package<MutableFstClass*, const SymbolTable*,
const SymbolTable*> *args) {
MutableFst<Arc> *fst = args->arg1->GetMutableFst<Arc>();
Relabel(fst, args->arg2, args->arg3);
}
// 1
void Relabel(MutableFstClass *ofst,
const SymbolTable *old_isyms, const SymbolTable *relabel_isyms,
bool attach_new_isyms,
const SymbolTable *old_osyms, const SymbolTable *relabel_osyms,
bool attch_new_osyms);
// 2
void Relabel(MutableFstClass *ofst,
const vector<pair<int64, int64> > &ipairs,
const vector<pair<int64, int64> > &opairs);
// 3
void Relabel(MutableFstClass *fst,
const SymbolTable *new_isymbols,
const SymbolTable *new_osymbols);
} // namespace script
} // namespace fst
#endif // FST_SCRIPT_RELABEL_H_
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