diff options
Diffstat (limited to 'gfsm/gfsm/src/programs/gfsmcompose_main.c')
-rw-r--r-- | gfsm/gfsm/src/programs/gfsmcompose_main.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/gfsm/gfsm/src/programs/gfsmcompose_main.c b/gfsm/gfsm/src/programs/gfsmcompose_main.c new file mode 100644 index 0000000..232c5e6 --- /dev/null +++ b/gfsm/gfsm/src/programs/gfsmcompose_main.c @@ -0,0 +1,123 @@ +/* + gfsm-utils : finite state automaton utilities + Copyright (C) 2005-2007 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 <errno.h> +#include <string.h> +#include <stdlib.h> + +#include <gfsm.h> + +#include "gfsmcompose_cmdparser.h" + +/*-------------------------------------------------------------------------- + * Globals + *--------------------------------------------------------------------------*/ +char *progname = "gfsmcompose"; + +//-- options +struct gengetopt_args_info args; + +//-- files +const char *infilename; +const char *outfilename = "-"; + +//-- global structs etc. +gfsmError *err = NULL; +gfsmAutomaton *fsmOut=NULL, *fsmIn=NULL; + +/*-------------------------------------------------------------------------- + * Option Processing + *--------------------------------------------------------------------------*/ +void get_my_options(int argc, char **argv) +{ + if (cmdline_parser(argc, argv, &args) != 0) + exit(1); + + //-- require at least one file argument + if (args.inputs_num < 1) { + cmdline_parser_print_help(); + exit(2); + } + + //-- output + if (args.output_arg) outfilename = args.output_arg; + + //-- load environmental defaults + //cmdline_parser_envdefaults(&args); + + //-- initialize automaton + fsmIn = gfsm_automaton_new(); +} + +/*-------------------------------------------------------------------------- + * compute_operation() + * + utility routine + */ +void compute_operation(const char *infilename) +{ + //-- load automaton + if (!gfsm_automaton_load_bin_filename(fsmIn,infilename,&err)) { + g_printerr("%s: load failed for '%s': %s\n", progname, infilename, err->message); + exit(255); + } + + //-- compute underlying FSM operation + if (fsmOut == NULL) { + fsmOut = fsmIn; + fsmIn = gfsm_automaton_new(); + } else { + gfsm_automaton_compose(fsmOut,fsmIn); + } +} + +/*-------------------------------------------------------------------------- + * MAIN + *--------------------------------------------------------------------------*/ +int main (int argc, char **argv) +{ + int i; + + GFSM_INIT + + get_my_options(argc,argv); + + for (i = 0; i < args.inputs_num; i++) { + compute_operation(args.inputs[i]); + } + if (args.inputs_num == 1) compute_operation("-"); + + //-- spew automaton + if (!gfsm_automaton_save_bin_filename(fsmOut,outfilename,args.compress_arg,&err)) { + g_printerr("%s: store failed to '%s': %s\n", progname, outfilename, err->message); + exit(4); + } + + //-- cleanup + if (fsmIn) gfsm_automaton_free(fsmIn); + if (fsmOut) gfsm_automaton_free(fsmOut); + + GFSM_FINISH + + return 0; +} |