1 files changed, 49 insertions, 0 deletions
diff --git a/src/script/push.cc b/src/script/push.cc
new file mode 100644
index 0000000..ed3d1d0
--- /dev/null
+++ b/src/script/push.cc
@@ -0,0 +1,49 @@
+
+// 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)
+
+#include <fst/script/fst-class.h>
+#include <fst/script/script-impl.h>
+#include <fst/script/push.h>
+
+namespace fst {
+namespace script {
+
+// 1
+void Push(MutableFstClass *ofst, ReweightType dir, float delta,
+          bool remove_total_weight) {
+  PushArgs1 args(ofst, dir, delta, remove_total_weight);
+  Apply<Operation<PushArgs1> >("Push", ofst->ArcType(), &args);
+}
+
+// 2
+void Push(const FstClass &ifst, MutableFstClass *ofst, uint32 flags,
+          ReweightType dir, float delta) {
+  if (!ArcTypesMatch(ifst, *ofst, "Push")) return;
+
+  PushArgs2 args(ifst, ofst, flags, dir, delta);
+  Apply<Operation<PushArgs2> >("Push", ifst.ArcType(), &args);
+}
+
+
+REGISTER_FST_OPERATION(Push, StdArc, PushArgs1);
+REGISTER_FST_OPERATION(Push, LogArc, PushArgs1);
+REGISTER_FST_OPERATION(Push, Log64Arc, PushArgs1);
+REGISTER_FST_OPERATION(Push, StdArc, PushArgs2);
+REGISTER_FST_OPERATION(Push, LogArc, PushArgs2);
+REGISTER_FST_OPERATION(Push, Log64Arc, PushArgs2);
+
+}  // namespace script
+}  // namespace fst