1 // fstdraw.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: allauzen (at) google.com (Cyril Allauzen) 17 // Modified: jpr (at) google.com (Jake Ratkiewicz) to use FstClass 18 // 19 // \file 20 // Draws a binary FSTs in the Graphviz dot text format 21 22 #include <fst/script/draw.h> 23 24 DEFINE_bool(acceptor, false, "Input in acceptor format"); 25 DEFINE_string(isymbols, "", "Input label symbol table"); 26 DEFINE_string(osymbols, "", "Output label symbol table"); 27 DEFINE_string(ssymbols, "", "State label symbol table"); 28 DEFINE_bool(numeric, false, "Print numeric labels"); 29 DEFINE_int32(precision, 5, "Set precision (number of char/float)"); 30 DEFINE_bool(show_weight_one, false, 31 "Print/draw arc weights and final weights equal to Weight::One()"); 32 DEFINE_string(title, "", "Set figure title"); 33 DEFINE_bool(portrait, false, "Portrait mode (def: landscape)"); 34 DEFINE_bool(vertical, false, "Draw bottom-to-top instead of left-to-right"); 35 DEFINE_int32(fontsize, 14, "Set fontsize"); 36 DEFINE_double(height, 11, "Set height"); 37 DEFINE_double(width, 8.5, "Set width"); 38 DEFINE_double(nodesep, 0.25, 39 "Set minimum separation between nodes (see dot documentation)"); 40 DEFINE_double(ranksep, 0.40, 41 "Set minimum separation between ranks (see dot documentation)"); 42 DEFINE_bool(allow_negative_labels, false, 43 "Allow negative labels (not recommended; may cause conflicts)"); 44 45 int main(int argc, char **argv) { 46 namespace s = fst::script; 47 using fst::ostream; 48 using fst::SymbolTable; 49 50 string usage = "Prints out binary FSTs in dot text format.\n\n Usage: "; 51 usage += argv[0]; 52 usage += " [binary.fst [text.dot]]\n"; 53 54 std::set_new_handler(FailedNewHandler); 55 SET_FLAGS(usage.c_str(), &argc, &argv, true); 56 if (argc > 3) { 57 ShowUsage(); 58 return 1; 59 } 60 61 string in_name = (argc > 1 && strcmp(argv[1], "-") != 0) ? argv[1] : ""; 62 63 s::FstClass *fst = s::FstClass::Read(in_name); 64 if (!fst) return 1; 65 66 ostream *ostrm = &cout; 67 string dest = "stdout"; 68 if (argc == 3) { 69 dest = argv[2]; 70 ostrm = new fst::ofstream(argv[2]); 71 if (!*ostrm) { 72 LOG(ERROR) << argv[0] << ": Open failed, file = " << argv[2]; 73 return 1; 74 } 75 } 76 ostrm->precision(FLAGS_precision); 77 78 const SymbolTable *isyms = 0, *osyms = 0, *ssyms = 0; 79 80 fst::SymbolTableTextOptions opts; 81 opts.allow_negative = FLAGS_allow_negative_labels; 82 83 if (!FLAGS_isymbols.empty() && !FLAGS_numeric) { 84 isyms = SymbolTable::ReadText(FLAGS_isymbols, opts); 85 if (!isyms) exit(1); 86 } 87 88 if (!FLAGS_osymbols.empty() && !FLAGS_numeric) { 89 osyms = SymbolTable::ReadText(FLAGS_osymbols, opts); 90 if (!osyms) exit(1); 91 } 92 93 if (!FLAGS_ssymbols.empty() && !FLAGS_numeric) { 94 ssyms = SymbolTable::ReadText(FLAGS_ssymbols); 95 if (!ssyms) exit(1); 96 } 97 98 if (!isyms && !FLAGS_numeric) 99 isyms = fst->InputSymbols(); 100 if (!osyms && !FLAGS_numeric) 101 osyms = fst->OutputSymbols(); 102 103 s::DrawFst(*fst, isyms, osyms, ssyms, FLAGS_acceptor, 104 FLAGS_title, FLAGS_width, FLAGS_height, 105 FLAGS_portrait, FLAGS_vertical, 106 FLAGS_ranksep, FLAGS_nodesep, 107 FLAGS_fontsize, FLAGS_precision, 108 FLAGS_show_weight_one, ostrm, dest); 109 110 if (ostrm != &cout) 111 delete ostrm; 112 return 0; 113 } 114
