FST  openfst-1.8.3
OpenFst Library
compose.cc
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1 // Copyright 2005-2024 Google LLC
2 //
3 // Licensed under the Apache License, Version 2.0 (the 'License');
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an 'AS IS' BASIS,
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12 // See the License for the specific language governing permissions and
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14 //
15 // See www.openfst.org for extensive documentation on this weighted
16 // finite-state transducer library.
17 
18 #include <fst/script/compose.h>
19 
20 #include <fst/compose.h>
21 #include <fst/properties.h>
22 #include <fst/script/fst-class.h>
23 #include <fst/script/script-impl.h>
24 
25 namespace fst {
26 namespace script {
27 
28 void Compose(const FstClass &ifst1, const FstClass &ifst2,
29  MutableFstClass *ofst, const ComposeOptions &opts) {
30  if (!internal::ArcTypesMatch(ifst1, ifst2, "Compose") ||
31  !internal::ArcTypesMatch(*ofst, ifst1, "Compose")) {
32  ofst->SetProperties(kError, kError);
33  return;
34  }
35  FstComposeArgs args{ifst1, ifst2, ofst, opts};
36  Apply<Operation<FstComposeArgs>>("Compose", ifst1.ArcType(), &args);
37 }
38 
40 
41 } // namespace script
42 } // namespace fst
REGISTER_FST_OPERATION_3ARCS(Compress, CompressArgs)
constexpr uint64_t kError
Definition: properties.h:52
const std::string & ArcType() const final
Definition: fst-class.h:329
bool ArcTypesMatch(const M &m, const N &n, const std::string &op_name)
Definition: script-impl.h:195
std::tuple< const FstClass &, const FstClass &, MutableFstClass *, const ComposeOptions & > FstComposeArgs
Definition: compose.h:32
void SetProperties(uint64_t props, uint64_t mask)
Definition: fst-class.h:501
void Compose(const FstClass &ifst1, const FstClass &ifst2, const std::vector< std::pair< int64_t, int64_t >> &parens, const std::vector< int64_t > &assignments, MutableFstClass *ofst, const MPdtComposeOptions &copts, bool left_pdt)
Definition: mpdtscript.cc:41