1bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// fstreverse.cc 2bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org 3bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// Licensed under the Apache License, Version 2.0 (the "License"); 4bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// you may not use this file except in compliance with the License. 5bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// You may obtain a copy of the License at 6bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// 7bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// http://www.apache.org/licenses/LICENSE-2.0 8bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// 9bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// Unless required by applicable law or agreed to in writing, software 10bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// distributed under the License is distributed on an "AS IS" BASIS, 11bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// See the License for the specific language governing permissions and 13bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// limitations under the License. 14bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// 15bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// Copyright 2005-2010 Google, Inc. 16bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// Author: riley@google.com (Michael Riley) 17bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// Modified: jpr@google.com (Jake Ratkiewicz) Changed to use FstClass 18bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// 19bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// \file 20bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// Reverses the paths in an FST. 21bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org// 22bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org 23bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org#include <string> 24bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org 25bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org#include <fst/script/reverse.h> 26bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org#include <fst/script/fst-class.h> 27bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org#include <iostream> 28bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org#include <fstream> 29bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org#include <sstream> 30bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org 31bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.orgint main(int argc, char **argv) { 32bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org using fst::script::FstClass; 33bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org using fst::script::VectorFstClass; 34bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org using fst::script::Reverse; 35bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org 36bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org string usage = "Reverses the paths in an FST.\n\n Usage: "; 37bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org usage += argv[0]; 38bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org usage += " [in.fst [out.fst]]\n"; 39bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org 40bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org std::set_new_handler(FailedNewHandler); 41 SET_FLAGS(usage.c_str(), &argc, &argv, true); 42 if (argc > 3) { 43 ShowUsage(); 44 return 1; 45 } 46 47 string in_name = (argc > 1 && (strcmp(argv[1], "-") != 0)) ? argv[1] : ""; 48 string out_name = argc > 2 ? argv[2] : ""; 49 50 FstClass *ifst = FstClass::Read(in_name); 51 if (!ifst) return 1; 52 53 VectorFstClass *out = new VectorFstClass(ifst->ArcType()); 54 55 Reverse(*ifst, out); 56 57 out->Write(out_name); 58 59 return 0; 60} 61