Add openfst to external, as used by GoogleTTSandroid-sdk-support_r11android-cts-4.2_r2android-cts-4.2_r1android-cts-4.1_r4android-cts-4.1_r2android-cts-4.1_r1android-4.2_r1android-4.2.2_r1.2android-4.2.2_r1.1android-4.2.2_r1android-4.2.1_r1.2android-4.2.1_r1.1android-4.2.1_r1android-4.1.2_r2.1android-4.1.2_r2android-4.1.2_r1android-4.1.1_r6.1android-4.1.1_r6android-4.1.1_r5android-4.1.1_r4android-4.1.1_r3android-4.1.1_r2android-4.1.1_r1.1android-4.1.1_r1tools_r22tools_r21jb-releasejb-mr1.1-releasejb-mr1.1-dev-plus-aospjb-mr1.1-devjb-mr1-releasejb-mr1-dev-plus-aospjb-mr1-devjb-mr0-releasejb-dev

Moved from GoogleTTS

Change-Id: I6bc6bdadaa53bd0f810b88443339f6d899502cc8

1 files changed, 68 insertions, 0 deletions

diff --git a/src/bin/fstencode.cc b/src/bin/fstencode.cc
new file mode 100644
index 0000000..95dd49c
--- /dev/null
+++ b/src/bin/fstencode.cc
@@ -0,0 +1,68 @@
+// fstencode.cc
+
+// 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: riley@google.com (Michael Riley)
+// Modified: jpr@google.com (Jake Ratkiewicz) to use FstClass
+//
+// \file
+//  Encode transducer labels and/or weights.
+//
+
+#include <fst/script/encode.h>
+#include <fst/script/decode.h>
+
+/// EncodeMain specific flag definitions
+DEFINE_bool(encode_labels, false, "Encode output labels");
+DEFINE_bool(encode_weights, false, "Encode weights");
+DEFINE_bool(encode_reuse, false, "Re-use existing codex");
+DEFINE_bool(decode, false, "Decode labels and/or weights");
+
+int main(int argc, char **argv) {
+  namespace s = fst::script;
+  using fst::script::FstClass;
+  using fst::script::MutableFstClass;
+
+  string usage = "Encodes transducer labels and/or weights.\n\n  Usage: ";
+  usage += argv[0];
+  usage += " in.fst codex [out.fst]\n";
+
+  std::set_new_handler(FailedNewHandler);
+  SetFlags(usage.c_str(), &argc, &argv, true);
+  if (argc < 3 || argc > 4) {
+    ShowUsage();
+    return 1;
+  }
+
+  string in_name = (strcmp(argv[1], "-") != 0) ? argv[1] : "";
+  string codex_name = argv[2];
+  string out_name = argc > 3 ? argv[3] : "";
+
+  MutableFstClass *fst = MutableFstClass::Read(in_name, true);
+  if (!fst) return 1;
+
+  if (FLAGS_decode == false) {
+    uint32 flags = 0;
+    flags |= FLAGS_encode_labels ? fst::kEncodeLabels : 0;
+    flags |= FLAGS_encode_weights ? fst::kEncodeWeights : 0;
+    s::Encode(fst, flags, FLAGS_encode_reuse, codex_name);
+    fst->Write(out_name);
+  } else {
+    s::Decode(fst, codex_name);
+    fst->Write(out_name);
+  }
+
+  delete fst;
+  return 0;
+}