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, 115 insertions, 0 deletions

diff --git a/src/extensions/pdt/pdtscript.cc b/src/extensions/pdt/pdtscript.cc
new file mode 100644
index 0000000..33e29ce
--- /dev/null
+++ b/src/extensions/pdt/pdtscript.cc
@@ -0,0 +1,115 @@
+
+// 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)
+
+// Definitions of 'scriptable' versions of pdt operations, that is,
+// those that can be called with FstClass-type arguments.
+
+// See comments in nlp/fst/script/script-impl.h for how the registration
+// mechanism allows these to work with various arc types.
+
+#include <vector>
+using std::vector;
+#include <utility>
+using std::pair; using std::make_pair;
+
+
+#include <fst/extensions/pdt/compose.h>
+#include <fst/extensions/pdt/expand.h>
+#include <fst/extensions/pdt/pdtscript.h>
+#include <fst/extensions/pdt/replace.h>
+#include <fst/extensions/pdt/reverse.h>
+#include <fst/extensions/pdt/shortest-path.h>
+#include <fst/script/script-impl.h>
+
+namespace fst {
+namespace script {
+
+void PdtCompose(const FstClass &ifst1,
+                const FstClass &ifst2,
+                const vector<pair<int64, int64> > &parens,
+                MutableFstClass *ofst,
+                const ComposeOptions &copts,
+                bool left_pdt) {
+  if (!ArcTypesMatch(ifst1, ifst2, "PdtCompose") ||
+      !ArcTypesMatch(ifst1, *ofst, "PdtCompose")) return;
+
+  PdtComposeArgs args(ifst1, ifst2, parens, ofst, copts, left_pdt);
+
+  Apply<Operation<PdtComposeArgs> >("PdtCompose", ifst1.ArcType(), &args);
+}
+
+void PdtExpand(const FstClass &ifst,
+               const vector<pair<int64, int64> > &parens,
+               MutableFstClass *ofst, const PdtExpandOptions &opts) {
+  PdtExpandArgs args(ifst, parens, ofst, opts);
+
+  Apply<Operation<PdtExpandArgs> >("PdtExpand", ifst.ArcType(), &args);
+}
+
+void PdtExpand(const FstClass &ifst,
+               const vector<pair<int64, int64> > &parens,
+               MutableFstClass *ofst, bool connect) {
+  PdtExpand(ifst, parens, ofst, PdtExpandOptions(connect));
+}
+
+void PdtReplace(const vector<pair<int64, const FstClass*> > &fst_tuples,
+                MutableFstClass *ofst,
+                vector<pair<int64, int64> > *parens,
+                const int64 &root) {
+  for (unsigned i = 0; i < fst_tuples.size() - 1; ++i) {
+    if (!ArcTypesMatch(*(fst_tuples[i].second),
+                       *(fst_tuples[i+1].second), "PdtReplace")) return;
+  }
+
+  if (!ArcTypesMatch((*fst_tuples[0].second), *ofst, "PdtReplace")) return;
+
+  PdtReplaceArgs args(fst_tuples, ofst, parens, root);
+
+  Apply<Operation<PdtReplaceArgs> >("PdtReplace", ofst->ArcType(), &args);
+}
+
+void PdtReverse(const FstClass &ifst,
+                const vector<pair<int64, int64> > &parens,
+                MutableFstClass *ofst) {
+  PdtReverseArgs args(ifst, parens, ofst);
+
+  Apply<Operation<PdtReverseArgs> >("PdtReverse", ifst.ArcType(), &args);
+}
+
+void PdtShortestPath(const FstClass &ifst,
+                     const vector<pair<int64, int64> > &parens,
+                     MutableFstClass *ofst,
+                     const PdtShortestPathOptions &opts) {
+  PdtShortestPathArgs args(ifst, parens, ofst, opts);
+
+  Apply<Operation<PdtShortestPathArgs> >("PdtShortestPath",
+                                         ifst.ArcType(), &args);
+}
+
+void PrintPdtInfo(const FstClass &ifst,
+                  const vector<pair<int64, int64> > &parens) {
+  PrintPdtInfoArgs args(ifst, parens);
+  Apply<Operation<PrintPdtInfoArgs> >("PrintPdtInfo", ifst.ArcType(), &args);
+}
+
+// Register operations for common arc types.
+
+REGISTER_FST_PDT_OPERATIONS(StdArc);
+REGISTER_FST_PDT_OPERATIONS(LogArc);
+REGISTER_FST_PDT_OPERATIONS(Log64Arc);
+
+}  // namespace script
+}  // namespace fst