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/*
gfsm-utils : finite state automaton utilities
Copyright (C) 2004 by Bryan Jurish <moocow@ling.uni-potsdam.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <gfsm.h>
#include "gfsmstrings_cmdparser.h"
/*--------------------------------------------------------------------------
* Globals
*--------------------------------------------------------------------------*/
char *progname = "gfsmstrings";
//-- options
struct gengetopt_args_info args;
//-- files
const char *infilename = "-";
const char *outfilename = "-";
FILE *outfile = NULL;
//-- global structs
gfsmAutomaton *fsm;
gfsmAlphabet *ilabels=NULL, *olabels=NULL;
gfsmError *err = NULL;
/*--------------------------------------------------------------------------
* Option Processing
*--------------------------------------------------------------------------*/
void get_my_options(int argc, char **argv)
{
if (cmdline_parser(argc, argv, &args) != 0)
exit(1);
//-- load environmental defaults
//cmdline_parser_envdefaults(&args);
//-- filenames
if (args.inputs_num > 0) infilename = args.inputs[0];
if (args.output_given) outfilename = args.output_arg;
//-- labels: input
if (args.ilabels_given) {
ilabels = gfsm_string_alphabet_new();
if (!gfsm_alphabet_load_filename(ilabels,args.ilabels_arg,&err)) {
g_printerr("%s: load failed for input-labels file '%s': %s\n",
progname, args.ilabels_arg, (err ? err->message : "?"));
exit(2);
}
}
//-- labels: output
if (args.olabels_given) {
olabels = gfsm_string_alphabet_new();
if (!gfsm_alphabet_load_filename(olabels,args.olabels_arg,&err)) {
g_printerr("%s: load failed for output-labels file '%s': %s\n",
progname, args.olabels_arg, (err ? err->message : "?"));
exit(2);
}
}
//-- initialize fsm
fsm = gfsm_automaton_new();
}
/*--------------------------------------------------------------------------
* MAIN
*--------------------------------------------------------------------------*/
int main (int argc, char **argv)
{
gfsmSet *paths = NULL;
GSList *strings = NULL;
get_my_options(argc,argv);
//-- load automaton
if (!gfsm_automaton_load_bin_filename(fsm,infilename,&err)) {
g_printerr("%s: load failed for '%s': %s\n", progname, infilename, (err ? err->message : "?"));
exit(3);
}
//-- sanity check
if (gfsm_automaton_is_cyclic(fsm)) {
g_printerr("%s: input automaton must be acyclic!\n", progname);
exit(255);
}
//-- open output file
outfile = gfsm_open_filename(outfilename, "w", &err);
if (!outfile) {
g_printerr("%s: %s\n", progname, (err ? err->message : "?"));
exit(4);
}
//-- get & stringify full paths
if (args.viterbi_flag) {
//-- serialize Viterbi trellis automaton
paths = gfsm_viterbi_trellis_paths_full(fsm, NULL, gfsmLSBoth);
}
else {
//-- serialize "normal" automaton
paths = gfsm_automaton_paths_full(fsm, NULL, gfsmLSBoth);
}
strings = gfsm_paths_to_strings(paths,
ilabels,
olabels,
fsm->sr,
TRUE,
args.att_given,
NULL);
while (strings) {
//-- pop first datum
char *s = (char *)strings->data;
strings = g_slist_delete_link(strings,strings);
//-- print string
fputs(s, outfile);
fputc('\n', outfile);
g_free(s);
}
//-- cleanup
if (paths) gfsm_set_free(paths);
if (ilabels) gfsm_alphabet_free(ilabels);
if (olabels) gfsm_alphabet_free(olabels);
if (fsm) gfsm_automaton_free(fsm);
if (outfile != stdout) fclose(outfile);
return 0;
}
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