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tools/openfst-1.6.7/src/extensions/mpdt/mpdtscript.cc
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// See www.openfst.org for extensive documentation on this weighted
// finite-state transducer library.
//
// Definitions of 'scriptable' versions of mpdt operations, that is,
// those that can be called with FstClass-type arguments.
//
// See comments in nlp/fst/script/script-impl.h for how the registration
// mechanism allows these to work with various arc types.
#include <string>
#include <vector>
#include <fst/extensions/mpdt/compose.h>
#include <fst/extensions/mpdt/expand.h>
#include <fst/extensions/mpdt/mpdtscript.h>
#include <fst/extensions/mpdt/reverse.h>
#include <fst/script/script-impl.h>
namespace fst {
namespace script {
void MPdtCompose(const FstClass &ifst1, const FstClass &ifst2,
const std::vector<LabelPair> &parens,
const std::vector<int64> &assignments, MutableFstClass *ofst,
const MPdtComposeOptions &copts, bool left_pdt) {
if (!internal::ArcTypesMatch(ifst1, ifst2, "MPdtCompose") ||
!internal::ArcTypesMatch(ifst1, *ofst, "MPdtCompose")) return;
MPdtComposeArgs args(ifst1, ifst2, parens, assignments, ofst, copts,
left_pdt);
Apply<Operation<MPdtComposeArgs>>("MPdtCompose", ifst1.ArcType(), &args);
}
void MPdtExpand(const FstClass &ifst, const std::vector<LabelPair> &parens,
const std::vector<int64> &assignments, MutableFstClass *ofst,
const MPdtExpandOptions &opts) {
MPdtExpandArgs args(ifst, parens, assignments, ofst, opts);
Apply<Operation<MPdtExpandArgs>>("MPdtExpand", ifst.ArcType(), &args);
}
void MPdtExpand(const FstClass &ifst, const std::vector<LabelPair> &parens,
const std::vector<int64> &assignments, MutableFstClass *ofst,
bool connect) {
MPdtExpand(ifst, parens, assignments, ofst, MPdtExpandOptions(connect));
}
void MPdtReverse(const FstClass &ifst, const std::vector<LabelPair> &parens,
std::vector<int64> *assignments, MutableFstClass *ofst) {
MPdtReverseArgs args(ifst, parens, assignments, ofst);
Apply<Operation<MPdtReverseArgs>>("MPdtReverse", ifst.ArcType(), &args);
}
void PrintMPdtInfo(const FstClass &ifst, const std::vector<LabelPair> &parens,
const std::vector<int64> &assignments) {
PrintMPdtInfoArgs args(ifst, parens, assignments);
Apply<Operation<PrintMPdtInfoArgs>>("PrintMPdtInfo", ifst.ArcType(), &args);
}
// Register operations for common arc types.
REGISTER_FST_MPDT_OPERATIONS(StdArc);
REGISTER_FST_MPDT_OPERATIONS(LogArc);
REGISTER_FST_MPDT_OPERATIONS(Log64Arc);
} // namespace script
} // namespace fst
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