static fz_error parsearray(fz_obj **obj, pdf_xref *xref, char **sp, struct vap *v)
{
fz_error error;
fz_obj *a;
fz_obj *o;
char *s = *sp;
error = fz_newarray(&a, 8);
if (error)
return fz_rethrow(error, "cannot create array");
s ++; /* skip '[' */
while (*s)
{
skipwhite(&s);
if (*s == ']')
{
s ++;
break;
}
error = parseobj(&o, xref, &s, v);
if (error)
{
fz_dropobj(a);
return fz_rethrow(error, "cannot parse item");
}
error = fz_arraypush(a, o);
if (error)
{
fz_dropobj(o);
fz_dropobj(a);
return fz_rethrow(error, "cannot add item to array");
}
fz_dropobj(o);
}
*obj = a;
*sp = s;
return fz_okay;
}
int main (int argc, char **argv)
{ char str[102400];
Index S;
int k;
Tdist r;
struct stat sdata;
struct tms t1,t2;
int numQueries = 0;
if (argc != 2)
{ fprintf (stderr,"Usage: %s index-file\n",argv[0]);
exit(1);
}
fprintf (stderr,"reading index...\n");
S = loadIndex (argv[1]);
stat (argv[1],&sdata);
fprintf (stderr,"read %lli bytes\n",(long long)sdata.st_size);
numDistances = 0;
while (true)
{ Obj qry;
int siz;
bool fixed;
if (scanf ("%[0123456789-.]s",str) == 0) break;
if (!strcmp(str,"-0")) break; // -0 -> terminate
if (str[0] == '-') // negative => kNN
{ fixed = false;
if (sscanf (str+1,"%d",&k) == 0) break; // syntax error
}
else // range query
{ fixed = true;
#ifdef CONT
if (sscanf (str,"%f",&r) == 0) break; // syntax error
#else
if (sscanf (str,"%d",&r) == 0) break; // syntax error
#endif
}
if (getchar() != ',') break; // syntax error
if (scanf ("%[^\n]s",str) == 0) break; // syntax error
if (getchar() != '\n') break; // syntax error
qry = parseobj (str);
numQueries++;
if (fixed)
{ times(&t1);
siz = search(S,qry,r,true);
times(&t2);
fprintf (stderr,"%i objects found\n",siz);
}
else
{ times(&t1);
r = searchNN (S,qry,k,true);
siz = k;
times(&t2);
#ifdef CONT
fprintf (stderr,"kNNs at distance %f\n",r);
#else
fprintf (stderr,"kNNs at distance %i\n",r);
#endif
}
}
fprintf(stderr,"Total distances per query: %f\n",
numDistances/(float)numQueries);
fprintf (stderr,"freeing...\n");
freeIndex (S,true);
fprintf (stderr,"done\n");
return 0;
}
static fz_error parsedict(fz_obj **obj, pdf_xref *xref, char **sp, struct vap *v)
{
fz_error error = fz_okay;
fz_obj *dict = nil;
fz_obj *key = nil;
fz_obj *val = nil;
char *s = *sp;
error = fz_newdict(&dict, 8);
if (error)
return fz_rethrow(error, "cannot create dict");
s += 2; /* skip "<<" */
while (*s)
{
skipwhite(&s);
/* end-of-dict marker >> */
if (*s == '>')
{
s ++;
if (*s == '>')
{
s ++;
break;
}
error = fz_throw("malformed >> marker");
goto cleanup;
}
/* non-name as key, bail */
if (*s != '/')
{
error = fz_throw("key is not a name");
goto cleanup;
}
error = parsename(&key, &s);
if (error)
{
error = fz_rethrow(error, "cannot parse key");
goto cleanup;
}
skipwhite(&s);
error = parseobj(&val, xref, &s, v);
if (error)
{
error = fz_rethrow(error, "cannot parse value");
goto cleanup;
}
error = fz_dictput(dict, key, val);
if (error)
{
error = fz_rethrow(error, "cannot insert dict entry");
goto cleanup;
}
fz_dropobj(val); val = nil;
fz_dropobj(key); key = nil;
}
*obj = dict;
*sp = s;
return fz_okay;
cleanup:
if (val) fz_dropobj(val);
if (key) fz_dropobj(key);
if (dict) fz_dropobj(dict);
*obj = nil;
*sp = s;
return error; /* already rethrown */
}