1// farextract.cc 2 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14// 15// Copyright 2005-2010 Google, Inc. 16// Author: riley@google.com (Michael Riley) 17// Modified: jpr@google.com (Jake Ratkiewicz) to use new arc dispatch 18// 19// \file 20// Extracts component FSTs from an finite-state archive. 21// 22 23#include <fst/extensions/far/main.h> 24#include <fst/extensions/far/farscript.h> 25 26DEFINE_string(filename_prefix, "", "Prefix to append to filenames"); 27DEFINE_string(filename_suffix, "", "Suffix to append to filenames"); 28DEFINE_int32(generate_filenames, 0, 29 "Generate N digit numeric filenames (def: use keys)"); 30DEFINE_string(begin_key, "", 31 "First key to extract (def: first key in archive)"); 32DEFINE_string(end_key, "", 33 "Last key to extract (def: last key in archive)"); 34 35 36int main(int argc, char **argv) { 37 namespace s = fst::script; 38 39 string usage = "Extracts FSTs from a finite-state archive.\n\n Usage:"; 40 usage += argv[0]; 41 usage += " in1.far [in2.far...]\n"; 42 43 std::set_new_handler(FailedNewHandler); 44 SetFlags(usage.c_str(), &argc, &argv, true); 45 46 if (argc < 2) { 47 ShowUsage(); 48 return 1; 49 } 50 51 vector<string> ifilenames; 52 for (int i = 1; i < argc; ++i) 53 ifilenames.push_back(argv[i]); 54 55 const string &arc_type = fst::LoadArcTypeFromFar(ifilenames[0]); 56 57 s::FarExtract(ifilenames, arc_type, FLAGS_generate_filenames, 58 FLAGS_begin_key, FLAGS_end_key, FLAGS_filename_prefix, 59 FLAGS_filename_suffix); 60 61 return 0; 62} 63