From 96a32415ab43377cf1575bd3f4f2980f58028209 Mon Sep 17 00:00:00 2001 From: Determinant Date: Fri, 14 Aug 2015 11:51:42 +0800 Subject: add implementation for kaldi io (by ymz) --- kaldi_io/src/tools/openfst/include/fst/map.h | 121 +++++++++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 kaldi_io/src/tools/openfst/include/fst/map.h (limited to 'kaldi_io/src/tools/openfst/include/fst/map.h') diff --git a/kaldi_io/src/tools/openfst/include/fst/map.h b/kaldi_io/src/tools/openfst/include/fst/map.h new file mode 100644 index 0000000..419cac4 --- /dev/null +++ b/kaldi_io/src/tools/openfst/include/fst/map.h @@ -0,0 +1,121 @@ +// map.h + +// 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 (Michael Riley) +// +// \file +// Compatability file for old-style Map() functions and MapFst class +// that have been renamed to ArcMap (cf. StateMap). + +#ifndef FST_LIB_MAP_H__ +#define FST_LIB_MAP_H__ + + +#include + + +namespace fst { + +template +void Map(MutableFst *fst, C* mapper) { + ArcMap(fst, mapper); +} + +template +void Map(MutableFst *fst, C mapper) { + ArcMap(fst, mapper); +} + +template +void Map(const Fst &ifst, MutableFst *ofst, C* mapper) { + ArcMap(ifst, ofst, mapper); +} + +template +void Map(const Fst &ifst, MutableFst *ofst, C mapper) { + ArcMap(ifst, ofst, mapper); +} + +typedef ArcMapFstOptions MapFstOptions; + +template +class MapFst : public ArcMapFst { + public: + typedef B Arc; + typedef typename B::Weight Weight; + typedef typename B::StateId StateId; + typedef CacheState State; + + MapFst(const Fst &fst, const C &mapper, const MapFstOptions& opts) + : ArcMapFst(fst, mapper, opts) {} + + MapFst(const Fst &fst, C* mapper, const MapFstOptions& opts) + : ArcMapFst(fst, mapper, opts) {} + + MapFst(const Fst &fst, const C &mapper) + : ArcMapFst(fst, mapper) {} + + MapFst(const Fst &fst, C* mapper) : ArcMapFst(fst, mapper) {} + + // See Fst<>::Copy() for doc. + MapFst(const ArcMapFst &fst, bool safe = false) + : ArcMapFst(fst, safe) {} + + // Get a copy of this MapFst. See Fst<>::Copy() for further doc. +virtual MapFst *Copy(bool safe = false) const { + return new MapFst(*this, safe); + } +}; + + +// Specialization for MapFst. +template +class StateIterator< MapFst > + : public StateIterator< ArcMapFst > { + public: + explicit StateIterator(const ArcMapFst &fst) + : StateIterator< ArcMapFst >(fst) {} +}; + + +// Specialization for MapFst. +template +class ArcIterator< MapFst > + : public ArcIterator< ArcMapFst > { + public: + ArcIterator(const ArcMapFst &fst, typename A::StateId s) + : ArcIterator< ArcMapFst >(fst, s) {} +}; + + +template +struct IdentityMapper { + typedef A FromArc; + typedef A ToArc; + + A operator()(const A &arc) const { return arc; } + + MapFinalAction FinalAction() const { return MAP_NO_SUPERFINAL; } + + MapSymbolsAction InputSymbolsAction() const { return MAP_COPY_SYMBOLS; } + + MapSymbolsAction OutputSymbolsAction() const { return MAP_COPY_SYMBOLS;} + + uint64 Properties(uint64 props) const { return props; } +}; + +} // namespace fst + +#endif // FST_LIB_MAP_H__ -- cgit v1.2.3