1 files changed, 86 insertions, 0 deletions
diff --git a/src/include/fst/script/print.h b/src/include/fst/script/print.h
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+++ b/src/include/fst/script/print.h
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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_PRINT_H_
+#define FST_SCRIPT_PRINT_H_
+
+#include <fst/script/arg-packs.h>
+#include <fst/script/fst-class.h>
+#include <fst/script/print-impl.h>
+
+namespace fst {
+namespace script {
+
+// Note: it is safe to pass these strings as references because
+// this struct is only used to pass them deeper in the call graph.
+// Be sure you understand why this is so before using this struct
+// for anything else!
+struct FstPrinterArgs {
+  const FstClass &fst;
+  const SymbolTable *isyms;
+  const SymbolTable *osyms;
+  const SymbolTable *ssyms;
+  const bool accept;
+  const bool show_weight_one;
+  ostream *ostrm;
+  const string &dest;
+
+  FstPrinterArgs(const FstClass &fst,
+                 const SymbolTable *isyms,
+                 const SymbolTable *osyms,
+                 const SymbolTable *ssyms,
+                 bool accept,
+                 bool show_weight_one,
+                 ostream *ostrm,
+                 const string &dest) :
+      fst(fst), isyms(isyms), osyms(osyms), ssyms(ssyms), accept(accept),
+      show_weight_one(show_weight_one), ostrm(ostrm), dest(dest) { }
+};
+
+template<class Arc>
+void PrintFst(FstPrinterArgs *args) {
+  const Fst<Arc> &fst = *(args->fst.GetFst<Arc>());
+
+  fst::FstPrinter<Arc> fstprinter(fst, args->isyms, args->osyms,
+                                      args->ssyms, args->accept,
+                                      args->show_weight_one);
+  fstprinter.Print(args->ostrm, args->dest);
+}
+
+void PrintFst(const FstClass &fst, ostream &ostrm, const string &dest,
+              const SymbolTable *isyms,
+              const SymbolTable *osyms,
+              const SymbolTable *ssyms,
+              bool accept, bool show_weight_one);
+
+
+// Below are two printing methods with useful defaults for a few of
+// the fst printer arguments.
+template <class Arc>
+void PrintFst(const Fst<Arc> &fst, ostream &os, const string dest = "",
+              const SymbolTable *isyms = NULL,
+              const SymbolTable *osyms = NULL,
+              const SymbolTable *ssyms = NULL) {
+  fst::FstPrinter<Arc> fstprinter(fst, isyms, osyms, ssyms, true, true);
+  fstprinter.Print(&os, dest);
+}
+
+}  // namespace script
+}  // namespace fst
+
+
+
+#endif  // FST_SCRIPT_PRINT_H_