1f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// fstproject.cc 2f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 3f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// Licensed under the Apache License, Version 2.0 (the "License"); 4f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// you may not use this file except in compliance with the License. 5f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// You may obtain a copy of the License at 6f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// 7f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// http://www.apache.org/licenses/LICENSE-2.0 8f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// 9f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// Unless required by applicable law or agreed to in writing, software 10f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// distributed under the License is distributed on an "AS IS" BASIS, 11f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// See the License for the specific language governing permissions and 13f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// limitations under the License. 14f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// 15f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// Copyright 2005-2010 Google, Inc. 16f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// Author: riley@google.com (Michael Riley) 17f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// Modified: jpr@google.com (Jake Ratkiewicz) to work with FstClass 18f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// 19f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// \file 20f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// Projects a transduction onto its input or output language. 21f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// 22f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 23f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson#include <fst/script/project.h> 24f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 25f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian HodsonDEFINE_bool(project_output, false, "Project on output (vs. input)"); 26f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 27f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonint main(int argc, char **argv) { 28f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson namespace s = fst::script; 29f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson using fst::script::FstClass; 30f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson using fst::script::MutableFstClass; 31f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 32f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson string usage = "Projects a transduction onto its input" 33f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson " or output language.\n\n Usage: "; 34f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson usage += argv[0]; 35f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson usage += " [in.fst [out.fst]]\n"; 36f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 37f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson std::set_new_handler(FailedNewHandler); 38f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson SetFlags(usage.c_str(), &argc, &argv, true); 39f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson if (argc > 3) { 40f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson ShowUsage(); 41f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson return 1; 42f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson } 43f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 44f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson string in_name = (argc > 1 && strcmp(argv[1], "-") != 0) ? argv[1] : ""; 45f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson string out_name = argc > 2 ? argv[2] : ""; 46f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 47f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson MutableFstClass *fst = MutableFstClass::Read(in_name, true); 48f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson if (!fst) return 1; 49f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 50f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson fst::ProjectType project_type = FLAGS_project_output ? 51f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson fst::PROJECT_OUTPUT : fst::PROJECT_INPUT; 52f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 53f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson s::Project(fst, project_type); 54f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 55f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson fst->Write(out_name); 56f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 57f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson return 0; 58f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson} 59