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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 <string.h>
#include <gfsm.h>
#include "gfsmarith_cmdparser.h"
/*--------------------------------------------------------------------------
* Globals
*--------------------------------------------------------------------------*/
char *progname = "gfsmarith";
//-- options
struct gengetopt_args_info args;
//-- files
const char *infilename = "-";
const char *outfilename = "-";
//-- global structs
gfsmAutomaton *fsm;
gfsmError *err = NULL;
//-- arithmetic operation
gfsmArithOp op=gfsmAONone;
gfsmWeight arg=0;
//-- weight selection
gboolean do_arcs;
gboolean do_finals;
gboolean do_zero;
//-- state & label selection
gfsmStateId qid;
gfsmLabelVal lo;
gfsmLabelVal hi;
/*--------------------------------------------------------------------------
* 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];
outfilename = args.output_arg;
//-- operator selection
if (args.exp_given) { op = gfsmAOExp; }
else if (args.log_given) { op = gfsmAOLog; }
else if (args.multiply_given) { op = gfsmAOMult; arg=args.multiply_arg; }
else if (args.add_given) { op = gfsmAOAdd; arg=args.add_arg; }
else if (args.positive_given) { op = gfsmAONoNeg; }
else if (args.times_given) { op = gfsmAOSRTimes; arg=args.times_arg; }
else if (args.plus_given) { op = gfsmAOSRPlus; arg=args.plus_arg; }
else if (args.sr_positive_given) { op = gfsmAOSRNoNeg; }
//-- weight selection
do_arcs = !args.no_arcs_given;
do_finals = !args.no_finals_given;
do_zero = args.zero_given;
//-- state & label selection
qid = args.state_given ? args.state_arg : gfsmNoState;
lo = args.lower_given ? args.lower_arg : gfsmNoLabel;
hi = args.upper_given ? args.upper_arg : gfsmNoLabel;
//-- initialize fsm
fsm = gfsm_automaton_new();
}
/*--------------------------------------------------------------------------
* MAIN
*--------------------------------------------------------------------------*/
int main (int argc, char **argv)
{
GFSM_INIT
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->message);
exit(3);
}
//-- hack: initial-state selection
if (args.initial_flag) qid=fsm->root_id;
//-- perform weight aritmetic
gfsm_automaton_arith_state(fsm, qid, op, arg, lo, hi, do_arcs, do_finals, do_zero);
//-- store automaton
if (!gfsm_automaton_save_bin_filename(fsm,outfilename,args.compress_arg,&err)) {
g_printerr("%s: store failed to '%s': %s\n", progname, outfilename, err->message);
exit(4);
}
//-- cleanup
gfsm_automaton_free(fsm);
GFSM_FINISH
return 0;
}
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