From 96a32415ab43377cf1575bd3f4f2980f58028209 Mon Sep 17 00:00:00 2001
From: Determinant <ted.sybil@gmail.com>
Date: Fri, 14 Aug 2015 11:51:42 +0800
Subject: add implementation for kaldi io (by ymz)

---
 .../src/tools/openfst/include/fst/script/compile.h | 92 ++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 kaldi_io/src/tools/openfst/include/fst/script/compile.h

(limited to 'kaldi_io/src/tools/openfst/include/fst/script/compile.h')

diff --git a/kaldi_io/src/tools/openfst/include/fst/script/compile.h b/kaldi_io/src/tools/openfst/include/fst/script/compile.h
new file mode 100644
index 0000000..bb6ea56
--- /dev/null
+++ b/kaldi_io/src/tools/openfst/include/fst/script/compile.h
@@ -0,0 +1,92 @@
+
+// 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_COMPILE_H_
+#define FST_SCRIPT_COMPILE_H_
+
+#include <fst/script/arg-packs.h>
+#include <fst/script/fst-class.h>
+#include <fst/script/compile-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 FstCompileArgs {
+  fst::istream &istrm;
+  const string &source;
+  const string &dest;
+  const string &fst_type;
+  const fst::SymbolTable *isyms;
+  const fst::SymbolTable *osyms;
+  const fst::SymbolTable *ssyms;
+  const bool accep;
+  const bool ikeep;
+  const bool okeep;
+  const bool nkeep;
+  const bool allow_negative_labels;
+
+  FstCompileArgs(istream &istrm, const string &source, const string &dest,
+                 const string &fst_type, const fst::SymbolTable *isyms,
+                 const fst::SymbolTable *osyms,
+                 const fst::SymbolTable *ssyms,
+                 bool accep, bool ikeep, bool okeep, bool nkeep,
+                 bool allow_negative_labels = false) :
+      istrm(istrm), source(source), dest(dest), fst_type(fst_type),
+      isyms(isyms), osyms(osyms), ssyms(ssyms), accep(accep), ikeep(ikeep),
+      okeep(okeep), nkeep(nkeep),
+      allow_negative_labels(allow_negative_labels) { }
+};
+
+template<class Arc>
+void CompileFst(FstCompileArgs *args) {
+  using fst::FstCompiler;
+  using fst::Convert;
+  using fst::Fst;
+
+  FstCompiler<Arc> fstcompiler(args->istrm, args->source, args->isyms,
+                               args->osyms, args->ssyms,
+                               args->accep, args->ikeep,
+                               args->okeep, args->nkeep,
+                               args->allow_negative_labels);
+
+  const Fst<Arc> *fst = &fstcompiler.Fst();
+  if (args->fst_type != "vector") {
+    fst = Convert<Arc>(*fst, args->fst_type);
+    if (!fst) {
+      FSTERROR() << "Failed to convert FST to desired type: "
+                 << args->fst_type;
+      return;
+    }
+  }
+
+  fst->Write(args->dest);
+}
+
+void CompileFst(istream &istrm, const string &source, const string &dest,
+                const string &fst_type, const string &arc_type,
+                const SymbolTable *isyms,
+                const SymbolTable *osyms, const SymbolTable *ssyms,
+                bool accep, bool ikeep, bool okeep, bool nkeep,
+                bool allow_negative_labels);
+
+}  // namespace script
+}  // namespace fst
+
+#endif  // FST_SCRIPT_COMPILE_H_
-- 
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