/*///////////////////////
//Accessing the indexed//
///////////////////////*/
int display(void *index, UCHAR *pattern, ULONG length, ULONG numc, ULONG *numocc, UCHAR **snippet_text, ULONG **snippet_lengths) {
int l,r;
int pos;
ULONG *occ, i, j, from, to, len, x;
UCHAR *text_aux;
CSA *SA=(CSA *) index;
csa_bsearch(pattern,length,SA,&l,&r);
*numocc = r-l+1;
occ = csa_batchlookup2(SA,l,r);
*snippet_lengths = (ULONG *) malloc((*numocc)*sizeof(ULONG));
if (!(*snippet_lengths)) return 1;
*snippet_text = (UCHAR *) malloc((*numocc)*(length+2*numc)*sizeof(UCHAR));
if (!(*snippet_text)) return 1;
text_aux=*snippet_text;
for (i=0;i<(*numocc);i++) {
x=occ[i];
if (x>numc) from = x-numc;
else from=0;
to= ((int)(x+length+numc-1)<(int)(SA->n-1)?(x+length+numc-1):(SA->n-1));
len =to-from+1;
pos = csa_inverse(SA,from+1);
for (j=0; (int)j<(int)len;j++) {
text_aux[j] = csa_T(SA,pos);
pos= csa_psi(SA,pos);
}
text_aux+=length+2*numc;
(*snippet_lengths)[i] = len;
}
free(occ);
return 0;
}
int locate(void *index, UCHAR *pattern, ULONG length, ULONG **occ, ULONG *numocc){
//*numocc=locate_extract(index);
//exit(0);
int l,r,len;
CSA *SA=(CSA *) index;
len = csa_bsearch(pattern,length,SA,&l,&r);
*numocc = r-l+1;
(*occ) = csa_batchlookup2(SA,l,r);
return 0;
}
ulong locate_extract(void *index) {
CSA *SA=(CSA *) index;
ulong largo,*occ,lar,n=SA->n,l,r,lll=0;
ulong matches,locate;
ulong random,hh;
for ( hh=1; hh <= 1000000; hh*=10)
for (lar=1;lar<=9;lar++) {
largo=lar*hh;
occ=NULL;
random = (ulong) (((float) rand()/ (float) RAND_MAX)*(n-1));
matches = largo+1;
locate=0;
occ = (ulong *) malloc(matches*sizeof(ulong));
l=random;
r=min(random+largo,n-3);
occ = csa_batchlookup2(SA,l,r);
free(occ);
}
return lll;
}
ULONG locate_extract(void *index){
CSA *SA=(CSA *) index;
ULONG largo,*occ,lar,n=SA->n,l,r,lll=0;
long te;
ULONG matches,locate;
ULONG random,hh;
for ( hh=1; hh <= 1000000; hh*=10)
for (lar=1;lar<=9;lar++) {
largo=lar*hh;
startclock3();
occ=NULL;
random = (ULONG) (((float) rand()/ (float) RAND_MAX)*(n-1));
matches = largo+1;
locate=0;
occ = (ULONG *) malloc(matches*sizeof(ULONG));
l=random;
r=min(random+largo,n-3);
occ = csa_batchlookup2(SA,l,r);
free(occ);
te = stopclock3();
// printf("Largo=%lu|e_t=%.4fs(%ldms)\n",largo, (te*1.0)/(HZ*1.0), te);fflush(stdout);
}
return lll;
}
