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, 82 insertions, 0 deletions

diff --git a/src/extensions/pdt/pdtcompose.cc b/src/extensions/pdt/pdtcompose.cc
new file mode 100644
index 0000000..0bab405
--- /dev/null
+++ b/src/extensions/pdt/pdtcompose.cc
@@ -0,0 +1,82 @@
+// pdtcompose.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)
+//
+// \file
+// Composes a PDT and an FST.
+//
+
+#include <vector>
+using std::vector;
+#include <utility>
+using std::pair; using std::make_pair;
+
+#include <fst/util.h>
+#include <fst/extensions/pdt/pdtscript.h>
+#include <fst/script/connect.h>
+
+DEFINE_string(pdt_parentheses, "", "PDT parenthesis label pairs.");
+DEFINE_bool(left_pdt, true, "1st arg is PDT (o.w. 2nd arg).");
+DEFINE_bool(connect, true, "Trim output");
+
+int main(int argc, char **argv) {
+  namespace s = fst::script;
+
+  string usage = "Compose a PDT and an FST.\n\n  Usage: ";
+  usage += argv[0];
+  usage += " in.pdt in.fst [out.pdt]\n";
+  usage += " in.fst in.pdt [out.pdt]\n";
+
+  std::set_new_handler(FailedNewHandler);
+  SetFlags(usage.c_str(), &argc, &argv, true);
+  if (argc < 3 || argc > 4) {
+    ShowUsage();
+    return 1;
+  }
+
+  string in1_name = strcmp(argv[1], "-") == 0 ? "" : argv[1];
+  string in2_name = strcmp(argv[2], "-") == 0 ? "" : argv[2];
+  string out_name = argc > 3 ? argv[3] : "";
+
+  if (in1_name.empty() && in2_name.empty()) {
+    LOG(ERROR) << argv[0] << ": Can't take both inputs from standard input.";
+    return 1;
+  }
+
+  s::FstClass *ifst1 = s::FstClass::Read(in1_name);
+  if (!ifst1) return 1;
+  s::FstClass *ifst2 = s::FstClass::Read(in2_name);
+  if (!ifst2) return 1;
+
+  if (FLAGS_pdt_parentheses.empty()) {
+    LOG(ERROR) << argv[0] << ": No PDT parenthesis label pairs provided";
+    return 1;
+  }
+
+  vector<pair<int64, int64> > parens;
+  fst::ReadLabelPairs(FLAGS_pdt_parentheses, &parens, false);
+
+  s::VectorFstClass ofst(ifst1->ArcType());
+  fst::ComposeOptions copts(false);
+
+  s::PdtCompose(*ifst1, *ifst2, parens, &ofst, copts, FLAGS_left_pdt);
+
+  if (FLAGS_connect)
+    s::Connect(&ofst);
+  ofst.Write(out_name);
+
+  return 0;
+}