int oe_02_main (int argc, char **argv) {
ng_t ng;
arpa_lm_t arpa_ng;
char input_string[500];
int num_of_args;
char *args[MAX_ARGS];
char *lm_filename_arpa;
char *lm_filename_binary;
flag told_to_quit;
flag inconsistant_parameters;
flag backoff_from_unk_inc;
flag backoff_from_unk_exc;
flag backoff_from_ccs_inc;
flag backoff_from_ccs_exc;
flag arpa_lm;
flag binary_lm;
flag include_unks;
char *fb_list_filename;
char *probs_stream_filename;
char *annotation_filename;
char *text_stream_filename;
char *oov_filename;
char *ccs_filename;
int generate_size;
int random_seed;
double log_base;
char wlist_entry[1024];
char current_cc[200];
vocab_sz_t current_cc_id;
FILE *context_cues_fp;
int n;
/* Process command line */
report_version(&argc,argv);
if (pc_flagarg(&argc, argv,"-help") ||
argc == 1 ||
(strcmp(argv[1],"-binary") && strcmp(argv[1],"-arpa"))) {
oe_02_help_message();
exit(1);
}
lm_filename_arpa = rr_salloc(pc_stringarg(&argc, argv,"-arpa",""));
if (strcmp(lm_filename_arpa,""))
arpa_lm = 1;
else
arpa_lm = 0;
lm_filename_binary = rr_salloc(pc_stringarg(&argc, argv,"-binary",""));
if (strcmp(lm_filename_binary,""))
binary_lm = 1;
else
binary_lm = 0;
if (arpa_lm && binary_lm)
quit(-1,"Error : Can't use both -arpa and -binary flags.\n");
if (!arpa_lm && !binary_lm)
quit(-1,"Error : Must specify either a binary or an arpa format language model.\n");
ccs_filename = rr_salloc(pc_stringarg(&argc, argv,"-context",""));
if (binary_lm && strcmp(ccs_filename,""))
fprintf(stderr,"Warning - context cues file not needed with binary language model file.\nWill ignore it.\n");
pc_report_unk_args(&argc,argv,2);
/* Load language model */
if (arpa_lm) {
fprintf(stderr,"Reading in language model from file %s\n",
lm_filename_arpa);
load_arpa_lm(&arpa_ng,lm_filename_arpa);
}else {
fprintf(stderr,"Reading in language model from file %s\n",
lm_filename_binary);
load_lm(&ng,lm_filename_binary);
}
fprintf(stderr,"\nDone.\n");
n=arpa_lm?
arpa_ng.n:
ng.n;
if (arpa_lm) {
arpa_ng.context_cue =
(flag *) rr_calloc(arpa_ng.table_sizes[0],sizeof(flag));
arpa_ng.no_of_ccs = 0;
if (strcmp(ccs_filename,"")) {
context_cues_fp = rr_iopen(ccs_filename);
while (fgets (wlist_entry, sizeof (wlist_entry),context_cues_fp)) {
if (strncmp(wlist_entry,"##",2)==0) continue;
sscanf (wlist_entry, "%s ",current_cc);
warn_on_wrong_vocab_comments(wlist_entry);
if (sih_lookup(arpa_ng.vocab_ht,current_cc,¤t_cc_id) == 0)
quit(-1,"Error : %s in the context cues file does not appear in the vocabulary.\n",current_cc);
arpa_ng.context_cue[(unsigned short) current_cc_id] = 1;
arpa_ng.no_of_ccs++;
fprintf(stderr,"Context cue word : %s id = %lld\n",current_cc,current_cc_id);
}
rr_iclose(context_cues_fp);
}
}
/* Process commands */
told_to_quit = 0;
num_of_args = 0;
while (!feof(stdin) && !told_to_quit) {
printf("evallm : \n");
fgets(input_string, sizeof(input_string), stdin);
if(strlen(input_string) < sizeof(input_string)-1)
input_string[strlen(input_string)-1] = '\0'; //chop new-line
else
quit(1, "evallm input exceeds size of input buffer");
if (!feof(stdin)) {
parse_comline(input_string,&num_of_args,args);
log_base = pc_doublearg(&num_of_args,args,"-log_base",10.0);
backoff_from_unk_inc = pc_flagarg(&num_of_args,args,"-backoff_from_unk_inc");
backoff_from_ccs_inc = pc_flagarg(&num_of_args,args,"-backoff_from_ccs_inc");
backoff_from_unk_exc = pc_flagarg(&num_of_args,args,"-backoff_from_unk_exc");
backoff_from_ccs_exc = pc_flagarg(&num_of_args,args,"-backoff_from_ccs_exc");
include_unks = pc_flagarg(&num_of_args,args,"-include_unks");
fb_list_filename = rr_salloc(pc_stringarg(&num_of_args,args,"-backoff_from_list",""));
text_stream_filename =
rr_salloc(pc_stringarg(&num_of_args,args,"-text",""));
probs_stream_filename =
rr_salloc(pc_stringarg(&num_of_args,args,"-probs",""));
annotation_filename =
rr_salloc(pc_stringarg(&num_of_args,args,"-annotate",""));
oov_filename = rr_salloc(pc_stringarg(&num_of_args,args,"-oovs",""));
generate_size = pc_intarg(&num_of_args,args,"-size",10000);
random_seed = pc_intarg(&num_of_args,args,"-seed",-1);
inconsistant_parameters = 0;
if (backoff_from_unk_inc && backoff_from_unk_exc) {
fprintf(stderr,"Error : Cannot specify both exclusive and inclusive forced backoff.\n");
fprintf(stderr,"Use only one of -backoff_from_unk_exc and -backoff_from_unk_inc\n");
inconsistant_parameters = 1;
}
if (backoff_from_ccs_inc && backoff_from_ccs_exc) {
fprintf(stderr,"Error : Cannot specify both exclusive and inclusive forced backoff.\n");
fprintf(stderr,"Use only one of -backoff_from_ccs_exc and -backoff_from_ccs_inc\n");
inconsistant_parameters = 1;
}
if (num_of_args > 0) {
if (!inconsistant_parameters) {
if (!strcmp(args[0],"perplexity")) {
compute_perplexity(&ng,
&arpa_ng,
text_stream_filename,
probs_stream_filename,
annotation_filename,
oov_filename,
fb_list_filename,
backoff_from_unk_inc,
backoff_from_unk_exc,
backoff_from_ccs_inc,
backoff_from_ccs_exc,
arpa_lm,
include_unks,
log_base);
}else
/* do perplexity sentence by sentence [20090612] (air) */
if (!strcmp(args[0],"uttperp")) {
FILE *uttfh,*tempfh;
char utt[4096]; /* live dangerously... */
char tmpfil[128];
if ((uttfh = fopen(text_stream_filename,"r")) == NULL) {
printf("Error: can't open %s\n",text_stream_filename);
exit(1);
}
char *template = "uttperp_XXXXXX";// CHANGED HLW
mkstemp(template);// CHANGED HLW
void main (int argc, char **argv) {
ng_t ng;
arpa_lm_t arpa_ng;
char input_string[500];
int num_of_args;
char *args[MAX_ARGS];
char *lm_filename_arpa;
char *lm_filename_binary;
flag told_to_quit;
flag inconsistant_parameters;
flag backoff_from_unk_inc;
flag backoff_from_unk_exc;
flag backoff_from_ccs_inc;
flag backoff_from_ccs_exc;
flag arpa_lm;
flag binary_lm;
flag include_unks;
char *fb_list_filename;
char *probs_stream_filename;
char *annotation_filename;
char *text_stream_filename;
char *oov_filename;
char *ccs_filename;
double log_base;
char wlist_entry[1024];
char current_cc[200];
int current_cc_id;
FILE *context_cues_fp;
int n;
int generate_size = 10000;
int random_seed;
/* Process command line */
report_version(&argc,argv);
if (pc_flagarg(&argc, argv,"-help") ||
argc == 1 ||
(strcmp(argv[1],"-binary") && strcmp(argv[1],"-arpa"))) {
fprintf(stderr,"evallm : Evaluate a language model.\n");
fprintf(stderr,"Usage : evallm [ -binary .binlm | \n");
fprintf(stderr," -arpa .arpa [ -context .ccs ] ]\n");
exit(1);
}
lm_filename_arpa = salloc(pc_stringarg(&argc, argv,"-arpa",""));
if (strcmp(lm_filename_arpa,"")) {
arpa_lm = 1;
}
else {
arpa_lm = 0;
}
lm_filename_binary = salloc(pc_stringarg(&argc, argv,"-binary",""));
if (strcmp(lm_filename_binary,"")) {
binary_lm = 1;
}
else {
binary_lm = 0;
}
if (arpa_lm && binary_lm) {
quit(-1,"Error : Can't use both -arpa and -binary flags.\n");
}
if (!arpa_lm && !binary_lm) {
quit(-1,"Error : Must specify either a binary or an arpa format language model.\n");
}
ccs_filename = salloc(pc_stringarg(&argc, argv,"-context",""));
if (binary_lm && strcmp(ccs_filename,"")) {
fprintf(stderr,"Warning - context cues file not needed with binary language model file.\nWill ignore it.\n");
}
pc_report_unk_args(&argc,argv,2);
/* Load language model */
if (arpa_lm) {
fprintf(stderr,"Reading in language model from file %s\n",
lm_filename_arpa);
load_arpa_lm(&arpa_ng,lm_filename_arpa);
}
else {
fprintf(stderr,"Reading in language model from file %s\n",
lm_filename_binary);
load_lm(&ng,lm_filename_binary);
}
fprintf(stderr,"\nDone.\n");
if (!arpa_lm) {
n=ng.n;
}
else {
n=arpa_ng.n;
}
if (arpa_lm) {
arpa_ng.context_cue =
(flag *) rr_calloc(arpa_ng.table_sizes[0],sizeof(flag));
arpa_ng.no_of_ccs = 0;
if (strcmp(ccs_filename,"")) {
context_cues_fp = rr_iopen(ccs_filename);
while (fgets (wlist_entry, sizeof (wlist_entry),context_cues_fp)) {
if (strncmp(wlist_entry,"##",2)==0) continue;
sscanf (wlist_entry, "%s ",current_cc);
if (strncmp(wlist_entry,"#",1)==0) {
fprintf(stderr,"\n\n===========================================================\n");
fprintf(stderr,":\nWARNING: line assumed NOT a comment:\n");
fprintf(stderr, ">>> %s <<<\n",wlist_entry);
fprintf(stderr, " '%s' will be included in the context cues list\n",current_cc);
fprintf(stderr, " (comments must start with '##')\n");
fprintf(stderr,"===========================================================\n\n");
}
if (sih_lookup(arpa_ng.vocab_ht,current_cc,¤t_cc_id) == 0) {
quit(-1,"Error : %s in the context cues file does not appear in the vocabulary.\n",current_cc);
}
arpa_ng.context_cue[(unsigned short) current_cc_id] = 1;
arpa_ng.no_of_ccs++;
fprintf(stderr,"Context cue word : %s id = %d\n",current_cc,current_cc_id);
}
rr_iclose(context_cues_fp);
}
}
/* Process commands */
told_to_quit = 0;
num_of_args = 0;
while (!feof(stdin) && !told_to_quit) {
printf("evallm : ");
gets(input_string);
if (!feof(stdin)) {
parse_comline(input_string,&num_of_args,args);
random_seed = pc_intarg(&num_of_args,args,"-seed",-1);
generate_size = pc_intarg(&num_of_args,args,"-size",10000);
log_base = pc_doublearg(&num_of_args,args,"-log_base",10.0);
backoff_from_unk_inc = pc_flagarg(&num_of_args,args,
"-backoff_from_unk_inc");
backoff_from_ccs_inc = pc_flagarg(&num_of_args,args,
"-backoff_from_ccs_inc");
backoff_from_unk_exc = pc_flagarg(&num_of_args,args,
"-backoff_from_unk_exc");
backoff_from_ccs_exc = pc_flagarg(&num_of_args,args,
"-backoff_from_ccs_exc");
include_unks = pc_flagarg(&num_of_args,args,"-include_unks");
fb_list_filename = salloc(pc_stringarg(&num_of_args,args,
"-backoff_from_list",""));
text_stream_filename =
salloc(pc_stringarg(&num_of_args,args,"-text",""));
probs_stream_filename =
salloc(pc_stringarg(&num_of_args,args,"-probs",""));
annotation_filename =
salloc(pc_stringarg(&num_of_args,args,"-annotate",""));
oov_filename = salloc(pc_stringarg(&num_of_args,args,"-oovs",""));
inconsistant_parameters = 0;
if (backoff_from_unk_inc && backoff_from_unk_exc) {
fprintf(stderr,"Error : Cannot specify both exclusive and inclusive forced backoff.\n");
fprintf(stderr,"Use only one of -backoff_from_unk_exc and -backoff_from_unk_inc\n");
inconsistant_parameters = 1;
}
if (backoff_from_ccs_inc && backoff_from_ccs_exc) {
fprintf(stderr,"Error : Cannot specify both exclusive and inclusive forced backoff.\n");
fprintf(stderr,"Use only one of -backoff_from_ccs_exc and -backoff_from_ccs_inc\n");
inconsistant_parameters = 1;
}
if (num_of_args > 0) {
if (!inconsistant_parameters) {
if (!strcmp(args[0],"perplexity")) {
compute_perplexity(&ng,
&arpa_ng,
text_stream_filename,
probs_stream_filename,
annotation_filename,
oov_filename,
fb_list_filename,
backoff_from_unk_inc,
backoff_from_unk_exc,
backoff_from_ccs_inc,
backoff_from_ccs_exc,
arpa_lm,
include_unks,
log_base);
}
else {
if (!strcmp(args[0],"validate")) {
if (num_of_args != n) {
fprintf(stderr,"Error : must specify %d words of context.\n",
n-1);
}
else {
/* Assume last n-1 parameters form context */
validate(&ng,
&arpa_ng,
&(args[num_of_args-n+1]),
backoff_from_unk_inc,
backoff_from_unk_exc,
backoff_from_ccs_inc,
backoff_from_ccs_exc,
arpa_lm,
fb_list_filename);
}
}
else {
if (!strcmp(args[0],"stats")) {
if (arpa_lm) {
display_arpa_stats(&arpa_ng);
}
else {
display_stats(&ng);
}
}
else {
if (!strcmp(args[0],"quit")) {
told_to_quit=1;
}
else if (!strcmp(args[0],"generate")) {
if(arpa_lm)
generate_words(NULL,&arpa_ng,generate_size,random_seed,text_stream_filename);
else
generate_words(&ng,NULL,generate_size,random_seed,text_stream_filename);
}
else {
if (!strcmp(args[0],"help")) {
printf("The user may specify one of the following commands: \n");
printf("\n");
printf(" - perplexity\n");
printf("\n");
printf("Computes the perplexity of a given text. May optionally specify words\n");
printf("from which to force back-off.\n");
printf("\n");
printf("Syntax: \n");
printf("\n");
printf("perplexity -text .text\n");
printf(" [ -probs .fprobs ]\n");
printf(" [ -oovs .oov_file ]\n");
printf(" [ -annotate .annotation_file ] \n");
printf(" [ -backoff_from_unk_inc | -backoff_from_unk_exc ]\n");
printf(" [ -backoff_from_ccs_inc | -backoff_from_ccs_exc ] \n");
printf(" [ -backoff_from_list .fblist ]\n");
printf(" [ -include_unks ]\n");
printf("\n");
printf(" - validate\n");
printf(" \n");
printf("Calculate the sum of the probabilities of all the words in the\n");
printf("vocabulary given the context specified by the user.\n");
printf("\n");
printf("Syntax: \n");
printf("\n");
printf("validate [ -backoff_from_unk -backoff_from_ccs |\n");
printf(" -backoff_from_list .fblist ]\n");
printf(" [ -forced_backoff_inc | -forced_back_off_exc ] \n");
printf(" word1 word2 ... word_(n-1)\n");
printf("\n");
printf("Where n is the n in n-gram. \n");
printf("\n");
printf(" - help\n");
printf("\n");
printf("Displays this help message.\n");
printf("\n");
printf("Syntax: \n");
printf("\n");
printf("help\n");
printf("\n");
printf(" - quit\n");
printf("\n");
printf("Exits the program.\n");
printf("\n");
printf("Syntax: \n");
printf("\n");
printf("quit\n");
}
else {
fprintf(stderr,"Unknown command : %s\nType \'help\'\n",
args[0]);
}
}
}
}
}
}
}
}
}
fprintf(stderr,"evallm : Done.\n");
exit(0);
}
