int special_command(char *input_string, Dictionary dict) {
if (input_string[0] == '\n') return TRUE;
if (input_string[0] == COMMENT_CHAR) return TRUE;
if (input_string[0] == '!') {
if (strncmp(input_string, "!panic_", 7)==0) {
issue_special_command(input_string+7, panic_parse_opts, dict);
}
else {
issue_special_command(input_string+1, opts, dict);
}
return TRUE;
}
return FALSE;
}
static char special_command(char *input_string, Command_Options* copts, Dictionary dict)
{
if (input_string[0] == COMMENT_CHAR) return 'c';
if (input_string[0] == '!')
return issue_special_command(input_string+1, copts, dict);
return 'n';
}
static bool special_command(char *input_string, Command_Options* copts, Dictionary dict)
{
if (input_string[0] == '\n') return true;
if (input_string[0] == COMMENT_CHAR) return true;
if (input_string[0] == '!') {
if (strncmp(input_string, "!panic_", 7) == 0)
{
Parse_Options save = copts->popts;
copts->popts = copts->panic_opts;
issue_special_command(input_string+7, copts, dict);
copts->popts = save;
return true;
}
issue_special_command(input_string+1, copts, dict);
return true;
}
return false;
}
static void print_usage(char *str)
{
Command_Options *copts;
fprintf(stderr,
"Usage: %s [language|dictionary location]\n"
" [-<special \"!\" command>]\n"
" [--version]\n", str);
fprintf(stderr, "\nSpecial commands are:\n");
copts = command_options_create();
issue_special_command("var", copts, NULL);
exit(-1);
}
static void print_usage(FILE *out, char *argv0, Command_Options *copts, int exit_value)
{
fprintf(out, "Usage: %s [language|dictionary location]\n"
" [-<special \"!\" command>]\n"
" [--version]\n", fbasename(argv0));
fprintf(out, "\nSpecial commands are:\n");
if (stdout != out) divert_stdio(stdout, out);
issue_special_command("var", copts, NULL);
if (out == stdout) print_url_info(); /* don't print it for errors */
exit(exit_value);
}
int main(int argc, char * argv[])
{
FILE *input_fh = stdin;
Dictionary dict;
const char *language="en"; /* default to english, and not locale */
int num_linkages, i;
Label label = NO_LABEL;
const char *codeset;
const char *locale = NULL;
Command_Options *copts;
Parse_Options opts;
bool batch_in_progress = false;
#if LATER
/* Try to catch the SIGWINCH ... except this is not working. */
struct sigaction winch_act;
winch_act.sa_handler = winch_handler;
winch_act.sa_sigaction = NULL;
sigemptyset (&winch_act.sa_mask);
winch_act.sa_flags = 0;
sigaction (SIGWINCH, &winch_act, NULL);
#endif
i = 1;
if ((argc > 1) && (argv[1][0] != '-')) {
/* the dictionary is the first argument if it doesn't begin with "-" */
language = argv[1];
i++;
}
#if !defined(_MSC_VER) && !defined(__MINGW32__)
/* Get the locale from the environment...
* Perhaps we should someday get it from the dictionary ??
*/
locale = setlocale(LC_ALL, "");
/* Check to make sure the current locale is UTF8; if its not,
* then force-set this to the english utf8 locale
*/
codeset = nl_langinfo(CODESET);
if (!strstr(codeset, "UTF") && !strstr(codeset, "utf"))
{
fprintf(stderr,
"%s: Warning: locale %s was not UTF-8; force-setting to en_US.UTF-8\n",
argv[0], codeset);
locale = setlocale(LC_CTYPE, "en_US.UTF-8");
}
#else
#pragma message("WARNING: Windows console (cmd.exe) does not support unicode input!\nWill attempt to convert from the native encoding!");
fprintf(stderr,
"%s: Warning: Windows console (cmd.exe) does not support unicode\n"
"input! Will attempt to convert from the native encoding!", argv[0]);
#endif
for (; i<argc; i++)
{
if (argv[i][0] == '-' && strcmp("--version", argv[i]) == 0)
{
printf("Version: %s\n", linkgrammar_get_version());
exit(0);
}
}
copts = command_options_create();
opts = copts->popts;
if (copts == NULL || opts == NULL || copts->panic_opts == NULL)
{
fprintf(stderr, "%s: Fatal error: unable to create parse options\n", argv[0]);
exit(-1);
}
if (language && *language)
dict = dictionary_create_lang(language);
else
dict = dictionary_create_default_lang();
if (dict == NULL)
{
fprintf(stderr, "%s: Fatal error: Unable to open dictionary.\n", argv[0]);
exit(-1);
}
setup_panic_parse_options(copts->panic_opts);
copts->panic_mode = true;
parse_options_set_max_parse_time(opts, 30);
parse_options_set_linkage_limit(opts, 1000);
parse_options_set_min_null_count(opts, 0);
parse_options_set_max_null_count(opts, 0);
parse_options_set_short_length(opts, 16);
/* The English and Russian dicts use a cost of 2.7, which allows
* regexes with a fractional cost of less than 1 to be used with
* rules that have a cost of 2.0.
*/
parse_options_set_disjunct_cost(opts, 2.7);
/* Process the command line commands */
for (i = 1; i<argc; i++)
{
if (argv[i][0] == '-')
{
int rc;
if (argv[i][1] == '!' || argv[i][1] == '-')
rc = issue_special_command(argv[i]+2, copts, dict);
else
rc = issue_special_command(argv[i]+1, copts, dict);
if (rc)
print_usage(argv[0]);
}
}
check_winsize(copts);
#if !defined(_MSC_VER) && !defined(__MINGW32__)
prt_error("Info: Using locale %s.", locale);
#endif
prt_error("Info: Dictionary version %s.",
linkgrammar_get_dict_version(dict));
prt_error("Info: Library version %s. Enter \"!help\" for help.",
linkgrammar_get_version());
/* Main input loop */
while (1)
{
char *input_string;
Sentence sent = NULL;
verbosity = parse_options_get_verbosity(opts);
debug = parse_options_get_debug(opts);
test = parse_options_get_test(opts);
input_string = fget_input_string(input_fh, stdout, copts);
check_winsize(copts);
if (NULL == input_string)
{
if (input_fh == stdin) break;
fclose (input_fh);
input_fh = stdin;
continue;
}
if ((strcmp(input_string, "!quit") == 0) ||
(strcmp(input_string, "!exit") == 0)) break;
/* We have to handle the !file command inline; its too hairy
* otherwise ... */
if (strncmp(input_string, "!file", 5) == 0)
{
char * filename = &input_string[6];
input_fh = fopen(filename, "r");
if (NULL == input_fh)
{
int perr = errno;
fprintf(stderr, "Error: %s (%d) %s\n",
filename, perr, strerror(perr));
input_fh = stdin;
continue;
}
continue;
}
/* If the input string is just whitespace, then ignore it. */
if (strspn(input_string, " \t\v") == strlen(input_string)) continue;
if (special_command(input_string, copts, dict)) continue;
if (!copts->batch_mode) batch_in_progress = false;
if ('\0' != test[0])
{
/* In batch mode warn only once.
* In auto-next-linkage mode don't warn at all. */
if (!batch_in_progress && (NULL == strstr(test, ",auto-next-linkage,")))
{
fflush(stdout);
/* Remind the developer this is a test mode. */
fprintf(stderr, "Warning: Tests enabled: %s\n", test);
if (copts->batch_mode) batch_in_progress = true;
}
}
if (copts->echo_on)
{
printf("%s\n", input_string);
}
if (copts->batch_mode)
{
label = strip_off_label(input_string);
}
#ifdef USE_VITERBI
/* Compile-time optional, for now, since it don't work yet. */
if (parse_options_get_use_viterbi(opts))
{
viterbi_parse(input_string, dict);
}
else
#endif
{
sent = sentence_create(input_string, dict);
/* First parse with cost 0 or 1 and no null links */
// parse_options_set_disjunct_cost(opts, 2.7);
parse_options_set_min_null_count(opts, 0);
parse_options_set_max_null_count(opts, 0);
parse_options_reset_resources(opts);
num_linkages = sentence_parse(sent, opts);
/* num_linkages is negative only on a hard-error;
* typically, due to a zero-length sentence. */
if (num_linkages < 0)
{
sentence_delete(sent);
sent = NULL;
continue;
}
#if 0
/* Try again, this time omitting the requirement for
* definite articles, etc. This should allow for the parsing
* of newspaper headlines and other clipped speech.
*
* XXX Unfortunately, this also allows for the parsing of
* all sorts of ungrammatical sentences which should not
* parse, and leads to bad parses of many other unparsable
* but otherwise grammatical sentences. Thus, this trick
* pretty much fails; we leave it here to document the
* experiment.
*/
if (num_linkages == 0)
{
parse_options_set_disjunct_cost(opts, 4.5);
num_linkages = sentence_parse(sent, opts);
if (num_linkages < 0) continue;
}
#endif
/* Try using a larger list of disjuncts */
/* XXX fixme: the lg_expand_disjunct_list() routine is not
* currently a part of the public API; it should be made so,
* or this expansion idea should be abandoned... not sure which.
*/
if ((num_linkages == 0) && parse_options_get_use_cluster_disjuncts(opts))
{
int expanded;
if (verbosity > 0) fprintf(stdout, "No standard linkages, expanding disjunct set.\n");
parse_options_set_disjunct_cost(opts, 3.9);
expanded = lg_expand_disjunct_list(sent);
if (expanded)
{
num_linkages = sentence_parse(sent, opts);
}
if (0 < num_linkages) printf("Got One !!!!!!!!!!!!!!!!!\n");
}
/* If asked to show bad linkages, then show them. */
if ((num_linkages == 0) && (!copts->batch_mode))
{
if (copts->display_bad)
{
num_linkages = sentence_num_linkages_found(sent);
}
}
/* Now parse with null links */
if (num_linkages == 0 && !copts->batch_mode)
{
if (verbosity > 0) fprintf(stdout, "No complete linkages found.\n");
if (copts->allow_null)
{
/* XXX should use expanded disjunct list here too */
parse_options_set_min_null_count(opts, 1);
parse_options_set_max_null_count(opts, sentence_length(sent));
num_linkages = sentence_parse(sent, opts);
}
}
if (verbosity > 0)
{
if (parse_options_timer_expired(opts))
fprintf(stdout, "Timer is expired!\n");
if (parse_options_memory_exhausted(opts))
fprintf(stdout, "Memory is exhausted!\n");
}
if ((num_linkages == 0) &&
copts->panic_mode &&
parse_options_resources_exhausted(opts))
{
/* print_total_time(opts); */
batch_errors++;
if (verbosity > 0) fprintf(stdout, "Entering \"panic\" mode...\n");
parse_options_reset_resources(copts->panic_opts);
parse_options_set_verbosity(copts->panic_opts, verbosity);
num_linkages = sentence_parse(sent, copts->panic_opts);
if (verbosity > 0)
{
if (parse_options_timer_expired(copts->panic_opts))
fprintf(stdout, "Panic timer is expired!\n");
}
}
/* print_total_time(opts); */
if (copts->batch_mode)
{
batch_process_some_linkages(label, sent, copts);
}
else
{
int c = process_some_linkages(sent, copts);
if (c == EOF)
{
sentence_delete(sent);
sent = NULL;
break;
}
}
fflush(stdout);
sentence_delete(sent);
sent = NULL;
}
}
if (copts->batch_mode)
{
/* print_time(opts, "Total"); */
fprintf(stderr,
"%d error%s.\n", batch_errors, (batch_errors==1) ? "" : "s");
}
/* Free stuff, so that mem-leak detectors don't commplain. */
command_options_delete(copts);
dictionary_delete(dict);
fget_input_string(NULL, NULL, NULL);
printf ("Bye.\n");
return 0;
}
int main(int argc, char * argv[])
{
FILE *input_fh = stdin;
Dictionary dict;
Sentence sent;
const char *language="en"; /* default to english, and not locale */
int pp_on=TRUE;
int af_on=TRUE;
int cons_on=TRUE;
int num_linkages, i;
char *input_string;
Label label = NO_LABEL;
const char *codeset;
/*############################################################################################*/
int num=0;
FILE *fp2,*fp_word_info,*fp_num,*fp_lname,*fp_rel,*fp_lcount,*fp_word_cat,*fp_word;
/*##############################################################################################*/
i = 1;
/*############################################################################################*/
if (argc > 4){
num =atoi(argv[4]);
num=num-1;
/// language = argv[1];
/*####################################################################################*/
//
// if ((argc > 1) && (argv[1][0] != '-')) {
/* the dictionary is the first argument if it doesn't begin with "-" */
// language = argv[1];
i++;
}
/*################################*/
language = argv[1];
/*################################*/
/* Get the locale from the environment...
* perhaps we should someday get it from the dictionary ??
*/
setlocale(LC_ALL, "");
/* Check to make sure the current locale is UTF8; if its not,
* then force-set this to the english utf8 locale
*/
codeset = nl_langinfo(CODESET);
if (!strstr(codeset, "UTF") && !strstr(codeset, "utf"))
{
setlocale(LC_CTYPE, "en_US.UTF-8");
}
/*########################################*/
for (; i<argc-3; i++) {
/*########################################*/
if (argv[i][0] == '-') {
if (strcmp("--version", argv[i])==0) {
printf("Version: %s\n", linkgrammar_get_version());
exit(0);
} else if (strcmp("-ppoff", argv[i])==0) {
pp_on = FALSE;
} else if (strcmp("-coff", argv[i])==0) {
cons_on = FALSE;
} else if (strcmp("-aoff", argv[i])==0) {
af_on = FALSE;
} else if (strcmp("-batch", argv[i])==0) {
} else if (strncmp("-!", argv[i],2)==0) {
} else {
print_usage(argv[0]);
}
} else {
print_usage(argv[0]);
}
}
opts = parse_options_create();
if (opts == NULL) {
fprintf(stderr, "%s: Fatal error: unable to create parse options\n", argv[0]);
exit(-1);
}
panic_parse_opts = parse_options_create();
if (panic_parse_opts == NULL) {
fprintf(stderr, "%s: Fatal error: unable to create panic parse options\n", argv[0]);
exit(-1);
}
setup_panic_parse_options(panic_parse_opts);
parse_options_set_max_sentence_length(opts, 170);
parse_options_set_panic_mode(opts, TRUE);
parse_options_set_max_parse_time(opts, 30);
parse_options_set_linkage_limit(opts, 1000);
parse_options_set_short_length(opts, 10);
/*##########################################*/
// parse_options_set_display_on(opts, TRUE);
/*##########################################*/
if(language && *language)
dict = dictionary_create_lang(language);
else
dict = dictionary_create_default_lang();
if (dict == NULL) {
/*###########################################################################*/
fprintf(stderr, "%s: Fatal error: Unable to open dictionary.\n", argv[1]);
/*##########################################################################*/
exit(-1);
}
/* process the command line like commands */
for (i=1; i<argc; i++) {
if ((strcmp("-pp", argv[i])==0) ||
(strcmp("-c", argv[i])==0) ||
(strcmp("-a", argv[i])==0))
{
i++;
}
else if ((argv[i][0] == '-') && (strcmp("-ppoff", argv[i])!=0) &&
(argv[i][0] == '-') && (strcmp("-coff", argv[i])!=0) &&
(argv[i][0] == '-') && (strcmp("-aoff", argv[i])!=0))
{
if (argv[i][1] == '!')
issue_special_command(argv[i]+2, opts, dict);
else
issue_special_command(argv[i]+1, opts, dict);
}
}
verbosity = parse_options_get_verbosity(opts);
/* Main input loop */
while (1)
{
input_string = fget_input_string(input_fh, stdout, opts);
if (NULL == input_string)
{
if (input_fh == stdin) break;
fclose (input_fh);
input_fh = stdin;
continue;
}
if ((strcmp(input_string, "quit\n")==0) ||
(strcmp(input_string, "exit\n")==0)) break;
/* We have to handle the !file command inline; its too hairy
* otherwise ... */
if (strncmp(input_string, "!file", 5) == 0)
{
char * filename = &input_string[6];
input_fh = fopen(filename, "r");
if (NULL == input_fh)
{
int perr = errno;
fprintf(stderr, "Error: %s (%d) %s\n",
filename, perr, strerror(perr));
input_fh = stdin;
continue;
}
continue;
}
if (special_command(input_string, dict)) continue;
if (parse_options_get_echo_on(opts)) {
printf("%s", input_string);
}
if (parse_options_get_batch_mode(opts)) {
label = strip_off_label(input_string);
}
sent = sentence_create(input_string, dict);
if (sent == NULL) continue;
if (sentence_length(sent) > parse_options_get_max_sentence_length(opts)) {
if (verbosity > 0) {
fprintf(stdout,
"Sentence length (%d words) exceeds maximum allowable (%d words)\n",
sentence_length(sent), parse_options_get_max_sentence_length(opts));
}
sentence_delete(sent);
continue;
}
/* First parse with cost 0 or 1 and no null links */
parse_options_set_disjunct_cost(opts, 2);
parse_options_set_min_null_count(opts, 0);
parse_options_set_max_null_count(opts, 0);
parse_options_reset_resources(opts);
num_linkages = sentence_parse(sent, opts);
//############################################################################################
if(num+1>num_linkages && num_linkages != 0)
{
sprintf(link_info_filename,"%s/%s_tmp/linkid_cat.txt",argv[2],argv[3]);
fp2 = fopen(link_info_filename,"a");
if(fp2==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
fprintf(fp2,";~~~~~~~~~~\n");
fclose(fp2);
sprintf(link_info_filename,"%s/%s_tmp/linkid_word.txt",argv[2],argv[3]);
fp_word= fopen(link_info_filename, "a");
if(fp_word==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
fprintf(fp_word,";~~~~~~~~~~\n");
fclose(fp_word);
sprintf(link_info_filename,"%s/%s_tmp/link_numeric_word.txt",argv[2],argv[3]);
fp_word_info= fopen(link_info_filename, "a");
if(fp_word_info==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
fprintf(fp_word_info,";~~~~~~~~~~\n");
fclose(fp_word_info);
sprintf(link_info_filename,"%s/%s_tmp/link_name_expand.txt",argv[2],argv[3]);
fp_lname =fopen(link_info_filename,"a");
if(fp_lname==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
fprintf(fp_lname,";~~~~~~~~~~\n");
fclose(fp_lname);
sprintf(link_info_filename,"%s/%s_tmp/link_relation_info.txt",argv[2],argv[3]);
fp_rel = fopen(link_info_filename,"a");
if(fp_rel==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
fprintf(fp_rel,";~~~~~~~~~~\n");
fclose(fp_rel);
/* sprintf(link_info_filename,"%s/%s_tmp/constituents.txt",argv[2],argv[3]);
fp = fopen(link_info_filename,"a");
if(fp==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
fprintf(fp,"\n");
fprintf(fp,";~~~~~~~~~~\n");
fclose(fp);*/
}
sprintf(link_info_filename,"%s/%s_tmp/linkage_count.txt",argv[2],argv[3]);
fp_lcount = fopen(link_info_filename,"a");
if(fp_lcount==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
fprintf(fp_lcount, "(Found maximum of %d linkages )\n",num_linkages);
fprintf(fp_lcount,";~~~~~~~~~~\n");
fclose(fp_lcount);
//############################################################################################
if (num_linkages < 0) continue;
/* Now parse with null links */
if ((num_linkages == 0) && (!parse_options_get_batch_mode(opts))) {
if (verbosity > 0) //fprintf(stdout, "No complete linkages found.\n");
//############################################################################################
/* This part of the code written by Maha Laxmi and Shirisha Manju
* if no complete linkage is found then redirect the output to standard output in clips format*/
sprintf(link_info_filename,"%s/%s_tmp/number.txt",argv[2],argv[3]);
fp_num =fopen(link_info_filename,"a");
if(fp_num==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
/* sprintf(link_info_filename,"%s/%s_tmp/constituents.txt",argv[2],argv[3]);
fp_cons= fopen(link_info_filename,"a");
if(fp_cons==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}*/
sprintf(link_info_filename,"%s/%s_tmp/linkid_word.txt",argv[2],argv[3]);
fp_word= fopen(link_info_filename, "a");
if(fp_word==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
sprintf(link_info_filename,"%s/%s_tmp/link_numeric_word.txt",argv[2],argv[3]);
fp_word_info= fopen(link_info_filename, "a");
if(fp_word_info==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
sprintf(link_info_filename,"%s/%s_tmp/linkid_cat.txt",argv[2],argv[3]);
fp_word_cat= fopen(link_info_filename, "a");
if(fp_word_cat==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
sprintf(link_info_filename,"%s/%s_tmp/link_name_expand.txt",argv[2],argv[3]);
fp_lname =fopen(link_info_filename,"a");
if(fp_lname==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
sprintf(link_info_filename,"%s/%s_tmp/link_relation_info.txt",argv[2],argv[3]);
fp_rel = fopen(link_info_filename,"a");
if(fp_rel==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
fprintf(fp_word, "\n(No complete linkages found)\n");
fprintf(fp_word_cat, "\n(No complete linkages found)\n");
fprintf(fp_word_info, "\n(No complete linkages found)\n");
fprintf(fp_lname, "\n(No complete linkages found)\n");
fprintf(fp_rel,"\n(No complete linkages found)\n");
fprintf(fp_word_cat,";~~~~~~~~~~\n"); // fprintf(fp_cons,";~~~~~~~~~~\n");
fprintf(fp_lname,";~~~~~~~~~~\n"); fprintf(fp_rel,";~~~~~~~~~~\n");
fprintf(fp_word_info,";~~~~~~~~~~\n"); fprintf(fp_word,";~~~~~~~~~~\n");
/* fclose(fp_cons); */ fclose(fp_word_cat); fclose(fp_word_info);
fclose(fp_lname); fclose(fp_rel); fclose(fp_word);
continue;
/*###############################################################################################################*/
if (parse_options_get_allow_null(opts)) {
parse_options_set_min_null_count(opts, 1);
parse_options_set_max_null_count(opts, sentence_length(sent));
num_linkages = sentence_parse(sent, opts);
}
}
if (parse_options_timer_expired(opts)) {
if (verbosity > 0) fprintf(stdout, "Timer is expired!\n");
}
if (parse_options_memory_exhausted(opts)) {
if (verbosity > 0) fprintf(stdout, "Memory is exhausted!\n");
}
if ((num_linkages == 0) &&
parse_options_resources_exhausted(opts) &&
parse_options_get_panic_mode(opts)) {
/* print_total_time(opts); */
if (verbosity > 0) fprintf(stdout, "Entering \"panic\" mode...\n");
parse_options_reset_resources(panic_parse_opts);
parse_options_set_verbosity(panic_parse_opts, verbosity);
num_linkages = sentence_parse(sent, panic_parse_opts);
if (parse_options_timer_expired(panic_parse_opts)) {
if (verbosity > 0) fprintf(stdout, "Timer is expired!\n");
}
}
/* print_total_time(opts); */
if (parse_options_get_batch_mode(opts)) {
//#######################################################################
batch_process_some_linkages(label, sent, opts,argv[2],argv[3]);
//#########################################################################
// batch_process_some_linkages(label, sent, opts);
}
/*###############################################################################*/
// send num as an argument to process_some_linkages
else {
int c = process_some_linkages(sent, opts,num,argv[2],argv[3]);
if (c == EOF) break;
}
/*################################################################################*/
/* else {
int c = process_some_linkages(sent, opts);
if (c == EOF) break;
}*/
sentence_delete(sent);
}
if (parse_options_get_batch_mode(opts)) {
/* print_time(opts, "Total"); */
/* fprintf(stderr,
"%d error%s.\n", batch_errors, (batch_errors==1) ? "" : "s");*/
}
parse_options_delete(panic_parse_opts);
parse_options_delete(opts);
dictionary_delete(dict);
// printf ("Bye.\n");
return 0;
}
int main(int argc, char * argv[]) {
Dictionary dict;
Sentence sent;
char *dictionary_file=NULL;
char *post_process_knowledge_file=NULL;
char *constituent_knowledge_file=NULL;
char *affix_file=NULL;
int pp_on=TRUE;
int af_on=TRUE;
int cons_on=TRUE;
int num_linkages, i;
char input_string[MAXINPUT];
Label label = NO_LABEL;
int parsing_space_leaked, reported_leak, dictionary_and_option_space;
i = 1;
if ((argc > 1) && (argv[1][0] != '-')) {
/* the dictionary is the first argument if it doesn't begin with "-" */
dictionary_file = argv[1];
i++;
}
for (; i<argc; i++) {
if (argv[i][0] == '-') {
if (strcmp("-pp", argv[i])==0) {
if ((post_process_knowledge_file != NULL) || (i+1 == argc))
print_usage(argv[0]);
post_process_knowledge_file = argv[i+1];
i++;
} else
if (strcmp("-c", argv[i])==0) {
if ((constituent_knowledge_file != NULL) || (i+1 == argc))
print_usage(argv[0]);
constituent_knowledge_file = argv[i+1];
i++;
} else
if (strcmp("-a", argv[i])==0) {
if ((affix_file != NULL) || (i+1 == argc)) print_usage(argv[0]);
affix_file = argv[i+1];
i++;
} else if (strcmp("-ppoff", argv[i])==0) {
pp_on = FALSE;
} else if (strcmp("-coff", argv[i])==0) {
cons_on = FALSE;
} else if (strcmp("-aoff", argv[i])==0) {
af_on = FALSE;
} else if (strcmp("-batch", argv[i])==0) {
} else if (strncmp("-!", argv[i],2)==0) {
} else {
print_usage(argv[0]);
}
} else {
print_usage(argv[0]);
}
}
if (!pp_on && post_process_knowledge_file != NULL) print_usage(argv[0]);
if (dictionary_file == NULL) {
dictionary_file = "4.0.dict";
fprintf(stderr, "No dictionary file specified. Using %s.\n",
dictionary_file);
}
if (af_on && affix_file == NULL) {
affix_file = "4.0.affix";
fprintf(stderr, "No affix file specified. Using %s.\n", affix_file);
}
if (pp_on && post_process_knowledge_file == NULL) {
post_process_knowledge_file = "4.0.knowledge";
fprintf(stderr, "No post process knowledge file specified. Using %s.\n",
post_process_knowledge_file);
}
if (cons_on && constituent_knowledge_file == NULL) {
constituent_knowledge_file = "4.0.constituent-knowledge";
fprintf(stderr, "No constituent knowledge file specified. Using %s.\n",
constituent_knowledge_file);
}
opts = parse_options_create();
if (opts == NULL) {
fprintf(stderr, "%s\n", lperrmsg);
exit(-1);
}
panic_parse_opts = parse_options_create();
if (panic_parse_opts == NULL) {
fprintf(stderr, "%s\n", lperrmsg);
exit(-1);
}
setup_panic_parse_options(panic_parse_opts);
parse_options_set_max_sentence_length(opts, 70);
parse_options_set_panic_mode(opts, TRUE);
parse_options_set_max_parse_time(opts, 30);
parse_options_set_linkage_limit(opts, 1000);
parse_options_set_short_length(opts, 10);
dict = dictionary_create(dictionary_file,
post_process_knowledge_file,
constituent_knowledge_file,
affix_file);
if (dict == NULL) {
fprintf(stderr, "%s\n", lperrmsg);
exit(-1);
}
/* process the command line like commands */
for (i=1; i<argc; i++) {
if ((strcmp("-pp", argv[i])==0) ||
(strcmp("-c", argv[i])==0) ||
(strcmp("-a", argv[i])==0)) {
i++;
} else if ((argv[i][0] == '-') && (strcmp("-ppoff", argv[i])!=0) &&
(argv[i][0] == '-') && (strcmp("-coff", argv[i])!=0) &&
(argv[i][0] == '-') && (strcmp("-aoff", argv[i])!=0)) {
issue_special_command(argv[i]+1, opts, dict);
}
}
dictionary_and_option_space = space_in_use;
reported_leak = external_space_in_use = 0;
verbosity = parse_options_get_verbosity(opts);
while (fget_input_string(input_string, stdin, stdout, opts)) {
if (space_in_use != dictionary_and_option_space + reported_leak) {
fprintf(stderr, "Warning: %d bytes of space leaked.\n",
space_in_use-dictionary_and_option_space-reported_leak);
reported_leak = space_in_use - dictionary_and_option_space;
}
if ((strcmp(input_string, "quit\n")==0) ||
(strcmp(input_string, "exit\n")==0)) break;
if (special_command(input_string, dict)) continue;
if (parse_options_get_echo_on(opts)) {
printf("%s", input_string);
}
if (parse_options_get_batch_mode(opts)) {
label = strip_off_label(input_string);
}
sent = sentence_create(input_string, dict);
if (sent == NULL) {
if (verbosity > 0) fprintf(stderr, "%s\n", lperrmsg);
if (lperrno != NOTINDICT) exit(-1);
else continue;
}
if (sentence_length(sent) > parse_options_get_max_sentence_length(opts)) {
sentence_delete(sent);
if (verbosity > 0) {
fprintf(stdout,
"Sentence length (%d words) exceeds maximum allowable (%d words)\n",
sentence_length(sent), parse_options_get_max_sentence_length(opts));
}
continue;
}
/* First parse with cost 0 or 1 and no null links */
parse_options_set_disjunct_cost(opts, 2);
parse_options_set_min_null_count(opts, 0);
parse_options_set_max_null_count(opts, 0);
parse_options_reset_resources(opts);
num_linkages = sentence_parse(sent, opts);
/* Now parse with null links */
if ((num_linkages == 0) && (!parse_options_get_batch_mode(opts))) {
if (verbosity > 0) fprintf(stdout, "No complete linkages found.\n");
if (parse_options_get_allow_null(opts)) {
parse_options_set_min_null_count(opts, 1);
parse_options_set_max_null_count(opts, sentence_length(sent));
num_linkages = sentence_parse(sent, opts);
}
}
if (parse_options_timer_expired(opts)) {
if (verbosity > 0) fprintf(stdout, "Timer is expired!\n");
}
if (parse_options_memory_exhausted(opts)) {
if (verbosity > 0) fprintf(stdout, "Memory is exhausted!\n");
}
if ((num_linkages == 0) &&
parse_options_resources_exhausted(opts) &&
parse_options_get_panic_mode(opts)) {
print_total_time(opts);
if (verbosity > 0) fprintf(stdout, "Entering \"panic\" mode...\n");
parse_options_reset_resources(panic_parse_opts);
parse_options_set_verbosity(panic_parse_opts, verbosity);
num_linkages = sentence_parse(sent, panic_parse_opts);
if (parse_options_timer_expired(panic_parse_opts)) {
if (verbosity > 0) fprintf(stdout, "Timer is expired!\n");
}
}
print_total_time(opts);
if (parse_options_get_batch_mode(opts)) {
batch_process_some_linkages(label, sent, opts);
}
else {
process_some_linkages(sent, opts);
}
sentence_delete(sent);
if (external_space_in_use != 0) {
fprintf(stderr, "Warning: %d bytes of external space leaked.\n",
external_space_in_use);
}
}
if (parse_options_get_batch_mode(opts)) {
print_time(opts, "Total");
fprintf(stderr,
"%d error%s.\n", batch_errors, (batch_errors==1) ? "" : "s");
}
parsing_space_leaked = space_in_use - dictionary_and_option_space;
if (parsing_space_leaked != 0) {
fprintf(stderr, "Warning: %d bytes of space leaked during parsing.\n",
parsing_space_leaked);
}
parse_options_delete(panic_parse_opts);
parse_options_delete(opts);
dictionary_delete(dict);
if (space_in_use != parsing_space_leaked) {
fprintf(stderr,
"Warning: %d bytes of dictionary and option space leaked.\n",
space_in_use - parsing_space_leaked);
}
else if (parsing_space_leaked == 0) {
fprintf(stderr, "Good news: no space leaked.\n");
}
if (external_space_in_use != 0) {
fprintf(stderr, "Warning: %d bytes of external space leaked.\n",
external_space_in_use);
}
return 0;
}
int main(int argc, char * argv[])
{
FILE *input_fh = stdin;
Dictionary dict;
const char *language = NULL;
int num_linkages;
Label label = NO_LABEL;
Command_Options *copts;
Parse_Options opts;
bool batch_in_progress = false;
isatty_stdin = isatty(fileno(stdin));
isatty_stdout = isatty(fileno(stdout));
#ifdef _WIN32
/* If compiled with MSVC/MinGW, we still support running under Cygwin.
* This is done by checking running_under_cygwin to resolve
* incompatibilities. */
const char *ostype = getenv("OSTYPE");
if ((NULL != ostype) && (0 == strcmp(ostype, "cygwin")))
running_under_cygwin = true;
/* argv encoding is in the current locale. */
argv = argv2utf8(argc);
if (NULL == argv)
{
prt_error("Fatal error: Unable to parse command line\n");
exit(-1);
}
#ifdef _MSC_VER
_set_printf_count_output(1); /* enable %n support for display_1line_help()*/
#endif /* _MSC_VER */
win32_set_utf8_output();
#endif /* _WIN32 */
#if LATER
/* Try to catch the SIGWINCH ... except this is not working. */
struct sigaction winch_act;
winch_act.sa_handler = winch_handler;
winch_act.sa_sigaction = NULL;
sigemptyset (&winch_act.sa_mask);
winch_act.sa_flags = 0;
sigaction (SIGWINCH, &winch_act, NULL);
#endif
copts = command_options_create();
if (copts == NULL || copts->panic_opts == NULL)
{
prt_error("Fatal error: unable to create parse options\n");
exit(-1);
}
opts = copts->popts;
setup_panic_parse_options(copts->panic_opts);
copts->panic_mode = true;
parse_options_set_max_parse_time(opts, 30);
parse_options_set_linkage_limit(opts, 1000);
parse_options_set_min_null_count(opts, 0);
parse_options_set_max_null_count(opts, 0);
parse_options_set_short_length(opts, 16);
parse_options_set_islands_ok(opts, false);
parse_options_set_display_morphology(opts, false);
save_default_opts(copts); /* Options so far are the defaults */
if ((argc > 1) && (argv[1][0] != '-')) {
/* The dictionary is the first argument if it doesn't begin with "-" */
language = argv[1];
}
for (int i = 1; i < argc; i++)
{
if (strcmp("--help", argv[i]) == 0)
{
print_usage(stdout, argv[0], copts, 0);
}
if (strcmp("--version", argv[i]) == 0)
{
printf("Version: %s\n", linkgrammar_get_version());
printf("%s\n", linkgrammar_get_configuration());
exit(0);
}
}
/* Process command line variable-setting commands (only). */
for (int i = 1; i < argc; i++)
{
if (argv[i][0] == '-')
{
const char *var = argv[i] + ((argv[i][1] != '-') ? 1 : 2);
if ((var[0] != '!') && (0 > issue_special_command(var, copts, NULL)))
print_usage(stderr, argv[0], copts, -1);
}
else if (i != 1)
{
prt_error("Fatal error: Unknown argument '%s'.\n", argv[i]);
print_usage(stderr, argv[0], copts, -1);
}
}
if (language && *language)
{
dict = dictionary_create_lang(language);
if (dict == NULL)
{
prt_error("Fatal error: Unable to open dictionary.\n");
exit(-1);
}
}
else
{
dict = dictionary_create_default_lang();
if (dict == NULL)
{
prt_error("Fatal error: Unable to open default dictionary.\n");
exit(-1);
}
}
/* Process the command line '!' commands */
for (int i = 1; i < argc; i++)
{
if ((argv[i][0] == '-') && (argv[i][1] == '!'))
{
if (0 > issue_special_command(argv[i]+1, copts, dict))
print_usage(stderr, argv[0], copts, -1);
}
}
check_winsize(copts);
prt_error("Info: Dictionary version %s, locale %s\n",
linkgrammar_get_dict_version(dict),
linkgrammar_get_dict_locale(dict));
prt_error("Info: Library version %s. Enter \"!help\" for help.\n",
linkgrammar_get_version());
/* Main input loop */
while (true)
{
char *input_string;
Sentence sent = NULL;
/* Make sure stderr is shown even when MSVC binary runs under
* Cygwin/MSYS pty (in that case it is fully buffered(!)). */
fflush(stderr);
verbosity = parse_options_get_verbosity(opts);
debug = parse_options_get_debug(opts);
test = parse_options_get_test(opts);
input_string = fget_input_string(input_fh, stdout, /*check_return*/false);
check_winsize(copts);
if (NULL == input_string)
{
if (ferror(input_fh))
prt_error("Error: Read: %s\n", strerror(errno));
if (input_fh == stdin) break;
fclose (input_fh);
input_fh = stdin;
continue;
}
/* Discard whitespace characters from end of string. */
for (char *p = &input_string[strlen(input_string)-1];
(p > input_string) && strchr(WHITESPACE, *p) ; p--)
{
*p = '\0';
}
/* If the input string is just whitespace, then ignore it. */
if (strspn(input_string, WHITESPACE) == strlen(input_string))
continue;
char command = special_command(input_string, copts, dict);
if ('e' == command) break; /* It was an exit command */
if ('c' == command) continue; /* It was another command */
if (-1 == command) continue; /* It was a bad command */
/* We have to handle the !file command inline; it's too hairy
* otherwise ... */
if ('f' == command)
{
char * filename = &input_string[strcspn(input_string, WHITESPACE)] + 1;
int fnlen = strlen(filename);
if (0 == fnlen)
{
prt_error("Error: Missing file name argument\n");
continue;
}
if ('\n' == filename[fnlen-1]) filename[fnlen-1] = '\0';
struct stat statbuf;
if ((0 == stat(filename, &statbuf)) && statbuf.st_mode & S_IFDIR)
{
prt_error("Error: Cannot open %s: %s\n",
filename, strerror(EISDIR));
continue;
}
input_fh = fopen(filename, "r");
if (NULL == input_fh)
{
prt_error("Error: Cannot open %s: %s\n", filename, strerror(errno));
input_fh = stdin;
continue;
}
continue;
}
if (!copts->batch_mode) batch_in_progress = false;
if ('\0' != test[0])
{
/* In batch mode warn only once.
* In auto-next-linkage mode don't warn at all. */
if (!batch_in_progress && !auto_next_linkage_test(test))
{
fflush(stdout);
/* Remind the developer this is a test mode. */
prt_error("Warning: Tests enabled: %s\n", test);
if (copts->batch_mode) batch_in_progress = true;
}
}
if (copts->echo_on)
{
printf("%s\n", input_string);
}
if (copts->batch_mode || auto_next_linkage_test(test))
{
label = strip_off_label(input_string);
}
// Post-processing-based pruning will clip away connectors
// that we might otherwise want to examine. So disable PP
// pruning in this situation.
if (copts->display_bad)
parse_options_set_perform_pp_prune(opts, false);
else
parse_options_set_perform_pp_prune(opts, true);
sent = sentence_create(input_string, dict);
if (sentence_split(sent, opts) < 0)
{
sentence_delete(sent);
sent = NULL;
continue;
}
if (0 != copts->display_wordgraph)
{
const char *wg_display_flags = ""; /* default flags */
switch (copts->display_wordgraph)
{
case 1: /* default flags */
break;
case 2: /* subgraphs with a legend */
wg_display_flags = "sl";
break;
case 3:
{
/* Use esoteric flags from the test user variable. */
const char *s = test_enabled(test, "wg");
if ((NULL != s) && (':' == s[0])) wg_display_flags = s;
}
break;
default:
prt_error("Warning: wordgraph=%d: Unknown value, using 1\n",
copts->display_wordgraph);
copts->display_wordgraph = 1;
}
sentence_display_wordgraph(sent, wg_display_flags);
}
/* First parse with the default disjunct_cost as set by the library
* (currently 2.7). Usually parse here with no null links.
* However, if "-test=one-step-parse" is used and we are said to
* parse with null links, allow parsing here with null links too. */
bool one_step_parse = !copts->batch_mode && copts->allow_null &&
test_enabled(test, "one-step-parse");
int max_null_count = one_step_parse ? sentence_length(sent) : 0;
parse_options_set_min_null_count(opts, 0);
parse_options_set_max_null_count(opts, max_null_count);
parse_options_reset_resources(opts);
num_linkages = sentence_parse(sent, opts);
/* num_linkages is negative only on a hard-error;
* typically, due to a zero-length sentence. */
if (num_linkages < 0)
{
sentence_delete(sent);
sent = NULL;
continue;
}
#if 0
/* Try again, this time omitting the requirement for
* definite articles, etc. This should allow for the parsing
* of newspaper headlines and other clipped speech.
*
* XXX Unfortunately, this also allows for the parsing of
* all sorts of ungrammatical sentences which should not
* parse, and leads to bad parses of many other unparsable
* but otherwise grammatical sentences. Thus, this trick
* pretty much fails; we leave it here to document the
* experiment.
*/
if (num_linkages == 0)
{
parse_options_set_disjunct_cost(opts, 4.5);
num_linkages = sentence_parse(sent, opts);
if (num_linkages < 0) continue;
}
#endif /* 0 */
/* Try using a larger list of disjuncts */
/* XXX FIXME: the lg_expand_disjunct_list() routine is not
* currently a part of the public API; it should be made so,
* or this expansion idea should be abandoned... not sure which.
*/
if ((num_linkages == 0) && parse_options_get_use_cluster_disjuncts(opts))
{
int expanded;
if (verbosity > 0) fprintf(stdout, "No standard linkages, expanding disjunct set.\n");
parse_options_set_disjunct_cost(opts, 3.9);
expanded = lg_expand_disjunct_list(sent);
if (expanded)
{
num_linkages = sentence_parse(sent, opts);
}
if (0 < num_linkages) printf("Got One !!!!!!!!!!!!!!!!!\n");
}
/* If asked to show bad linkages, then show them. */
if ((num_linkages == 0) && (!copts->batch_mode))
{
if (copts->display_bad)
{
num_linkages = sentence_num_linkages_found(sent);
}
}
/* Now parse with null links */
if (!one_step_parse && num_linkages == 0 && !copts->batch_mode)
{
if (verbosity > 0) fprintf(stdout, "No complete linkages found.\n");
if (copts->allow_null)
{
/* XXX should use expanded disjunct list here too */
parse_options_set_min_null_count(opts, 1);
parse_options_set_max_null_count(opts, sentence_length(sent));
num_linkages = sentence_parse(sent, opts);
}
}
if (verbosity > 0)
{
if (parse_options_timer_expired(opts))
fprintf(stdout, "Timer is expired!\n");
if (parse_options_memory_exhausted(opts))
fprintf(stdout, "Memory is exhausted!\n");
}
if ((num_linkages == 0) &&
copts->panic_mode &&
parse_options_resources_exhausted(opts))
{
/* print_total_time(opts); */
batch_errors++;
if (verbosity > 0) fprintf(stdout, "Entering \"panic\" mode...\n");
/* If the parser used was the SAT solver, set the panic parser to
* it too.
* FIXME? Currently, the SAT solver code is not too useful in
* panic mode since it doesn't handle parsing with null words, so
* using the regular parser in that case could be beneficial.
* However, this currently causes a crash due to a memory
* management mess. */
parse_options_set_use_sat_parser(copts->panic_opts,
parse_options_get_use_sat_parser(opts));
parse_options_reset_resources(copts->panic_opts);
parse_options_set_verbosity(copts->panic_opts, verbosity);
(void)sentence_parse(sent, copts->panic_opts);
if (verbosity > 0)
{
if (parse_options_timer_expired(copts->panic_opts))
fprintf(stdout, "Panic timer is expired!\n");
}
}
if (verbosity > 1) parse_options_print_total_time(opts);
const char *rc = "";
if (copts->batch_mode)
{
batch_process_some_linkages(label, sent, copts);
}
else
{
rc = process_some_linkages(input_fh, sent, copts);
}
fflush(stdout);
sentence_delete(sent);
sent = NULL;
if ((NULL == rc) && (input_fh == stdin)) break;
}
if (copts->batch_mode)
{
/* print_time(opts, "Total"); */
fprintf(stderr,
"%d error%s.\n", batch_errors, (batch_errors==1) ? "" : "s");
}
/* Free stuff, so that mem-leak detectors don't complain. */
command_options_delete(copts);
dictionary_delete(dict);
printf ("Bye.\n");
return 0;
}
