// See www.openfst.org for extensive documentation on this weighted
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// finite-state transducer library.
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#include <fst/script/fst-class.h>
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#include <fst/script/replace.h>
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#include <fst/script/script-impl.h>
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namespace fst {
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namespace script {
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void Replace(const std::vector<LabelFstClassPair> &pairs, MutableFstClass *ofst,
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const ReplaceOptions &opts) {
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if (!pairs.empty()) {
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for (auto it = pairs.begin(); it != pairs.end() - 1; ++it) {
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if (!internal::ArcTypesMatch(*it->second, *(it + 1)->second, "Replace")) {
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ofst->SetProperties(kError, kError);
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return;
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}
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}
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if (!internal::ArcTypesMatch(*pairs[0].second, *ofst, "Replace")) {
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ofst->SetProperties(kError, kError);
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return;
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}
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}
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ReplaceArgs args(pairs, ofst, opts);
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Apply<Operation<ReplaceArgs>>("Replace", ofst->ArcType(), &args);
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}
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REGISTER_FST_OPERATION(Replace, StdArc, ReplaceArgs);
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REGISTER_FST_OPERATION(Replace, LogArc, ReplaceArgs);
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REGISTER_FST_OPERATION(Replace, Log64Arc, ReplaceArgs);
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} // namespace script
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} // namespace fst
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