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Diffstat (limited to 'src/bin/fstdraw.cc')
| -rw-r--r-- | src/bin/fstdraw.cc | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/bin/fstdraw.cc b/src/bin/fstdraw.cc new file mode 100644 index 0000000..51ebb2d --- /dev/null +++ b/src/bin/fstdraw.cc @@ -0,0 +1,118 @@ +// fstdraw.cc + +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +// Copyright 2005-2010 Google, Inc. +// Author: allauzen@google.com (Cyril Allauzen) +// Modified: jpr@google.com (Jake Ratkiewicz) to use FstClass +// +// \file +// Draws a binary FSTs in the Graphviz dot text format + +#include <fst/script/draw.h> + +DEFINE_bool(acceptor, false, "Input in acceptor format"); +DEFINE_string(isymbols, "", "Input label symbol table"); +DEFINE_string(osymbols, "", "Output label symbol table"); +DEFINE_string(ssymbols, "", "State label symbol table"); +DEFINE_bool(numeric, false, "Print numeric labels"); +DEFINE_string(save_isymbols, "", "Save input symbol table to file"); +DEFINE_string(save_osymbols, "", "Save output symbol table to file"); +DEFINE_int32(precision, 5, "Set precision (number of char/float)"); +DEFINE_bool(show_weight_one, false, + "Print/draw arc weights and final weights equal to Weight::One()"); +DEFINE_string(title, "", "Set figure title"); +DEFINE_bool(portrait, false, "Portrait mode (def: landscape)"); +DEFINE_bool(vertical, false, "Draw bottom-to-top instead of left-to-right"); +DEFINE_int32(fontsize, 14, "Set fontsize"); +DEFINE_double(height, 11, "Set height"); +DEFINE_double(width, 8.5, "Set width"); +DEFINE_double(nodesep, 0.25, + "Set minimum separation between nodes (see dot documentation)"); +DEFINE_double(ranksep, 0.40, + "Set minimum separation between ranks (see dot documentation)"); +DEFINE_bool(allow_negative_labels, false, + "Allow negative labels (not recommended; may cause conflicts)"); + +int main(int argc, char **argv) { + namespace s = fst::script; + using fst::ostream; + using fst::SymbolTable; + + string usage = "Prints out binary FSTs in dot text format.\n\n Usage: "; + usage += argv[0]; + usage += " [binary.fst [text.fst]]\n"; + + std::set_new_handler(FailedNewHandler); + SetFlags(usage.c_str(), &argc, &argv, true); + if (argc > 3) { + ShowUsage(); + return 1; + } + + string in_name = (argc > 1 && strcmp(argv[1], "-") != 0) ? argv[1] : ""; + + s::FstClass *fst = s::FstClass::Read(in_name); + if (!fst) return 1; + + ostream *ostrm = &std::cout; + string dest = "stdout"; + if (argc == 3) { + dest = argv[2]; + ostrm = new fst::ofstream(argv[2]); + if (!*ostrm) { + LOG(ERROR) << argv[0] << ": Open failed, file = " << argv[2]; + return 1; + } + } + ostrm->precision(FLAGS_precision); + + const SymbolTable *isyms = 0, *osyms = 0, *ssyms = 0; + + if (!FLAGS_isymbols.empty() && !FLAGS_numeric) { + isyms = SymbolTable::ReadText(FLAGS_isymbols, FLAGS_allow_negative_labels); + if (!isyms) exit(1); + } + + if (!FLAGS_osymbols.empty() && !FLAGS_numeric) { + osyms = SymbolTable::ReadText(FLAGS_osymbols, FLAGS_allow_negative_labels); + if (!osyms) exit(1); + } + + if (!FLAGS_ssymbols.empty() && !FLAGS_numeric) { + ssyms = SymbolTable::ReadText(FLAGS_ssymbols); + if (!ssyms) exit(1); + } + + if (!isyms && !FLAGS_numeric) + isyms = fst->InputSymbols(); + if (!osyms && !FLAGS_numeric) + osyms = fst->OutputSymbols(); + + s::DrawFst(*fst, isyms, osyms, ssyms, FLAGS_acceptor, + FLAGS_title, FLAGS_width, FLAGS_height, + FLAGS_portrait, FLAGS_vertical, + FLAGS_ranksep, FLAGS_nodesep, + FLAGS_fontsize, FLAGS_precision, + FLAGS_show_weight_one, ostrm, dest); + + if (isyms && !FLAGS_save_isymbols.empty()) + isyms->WriteText(FLAGS_save_isymbols); + + if (osyms && !FLAGS_save_osymbols.empty()) + osyms->WriteText(FLAGS_save_osymbols); + + if (ostrm != &std::cout) + delete ostrm; + return 0; +} |