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 (at) google.com (Michael Riley) 17 // Modified: jpr (at) 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 26 DEFINE_string(filename_prefix, "", "Prefix to append to filenames"); 27 DEFINE_string(filename_suffix, "", "Suffix to append to filenames"); 28 DEFINE_int32(generate_filenames, 0, 29 "Generate N digit numeric filenames (def: use keys)"); 30 DEFINE_string(keys, "", 31 "Extract set of keys separated by comma (default) " 32 "including ranges delimited by dash (default)" ); 33 DEFINE_string(key_separator, ",", "Separator for individual keys"); 34 DEFINE_string(range_delimiter, "-", "Delimiter for ranges of keys"); 35 36 int 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 SET_FLAGS(usage.c_str(), &argc, &argv, true); 45 46 vector<string> ifilenames; 47 for (int i = 1; i < argc; ++i) 48 ifilenames.push_back(strcmp(argv[i], "") != 0 ? argv[i] : ""); 49 if (ifilenames.empty()) ifilenames.push_back(""); 50 51 const string &arc_type = fst::LoadArcTypeFromFar(ifilenames[0]); 52 53 s::FarExtract(ifilenames, arc_type, FLAGS_generate_filenames, 54 FLAGS_keys, FLAGS_key_separator, FLAGS_range_delimiter, 55 FLAGS_filename_prefix, FLAGS_filename_suffix); 56 57 return 0; 58 } 59