assert (0);
}
+typedef int (item_match_predicate_t) (void *closure, item_t *item);
+
+/* Return the number of items in the bin from the given category (or
+ * from all categories if category == NULL) */
+static int
+bin_num_items_matching (bin_t *bin,
+ item_match_predicate_t *predicate,
+ void *closure)
+{
+ int i, num_items = 0;
+
+ if (predicate == NULL)
+ return bin->num_items;
+
+ for (i = 0; i < bin->num_items; i++)
+ if ((predicate) (closure, bin->items[i]))
+ num_items++;
+
+ return num_items;
+}
+
static void
mnemon_init (mnemon_t *mnemon)
{
assert (0);
}
-/* Return the number of items in the bin from the given category (or
- * from all categories if category == NULL) */
-static int
-mnemon_bin_num_items_in_category (mnemon_t *mnemon,
- bin_t *bin,
- category_t *category)
+typedef struct _item_in_category_closure
{
- int i, num_items = 0;
-
- if (category == NULL)
- return bin->num_items;
+ mnemon_t *mnemon;
+ category_t *category;
+} item_in_category_closure_t;
- for (i = 0; i < bin->num_items; i++)
- if (mnemon_item_category (mnemon, bin->items[i]) == category)
- num_items++;
+static int
+mnemon_item_in_category (void *closure, item_t *item)
+{
+ item_in_category_closure_t *iicc = closure;
+ mnemon_t *mnemon = iicc->mnemon;
+ category_t *category = iicc->category;
- return num_items;
+ return (mnemon_item_category (mnemon, item) == category);
}
static void
category_t *category = NULL;
bin_t *bin;
int num_items;
+ item_match_predicate_t *predicate = NULL;
+ void *closure = NULL;
+ item_in_category_closure_t item_in_category;
if (mnemon->num_bins == 0)
return;
- if (category_name)
+ if (category_name) {
category = mnemon_get_category_if_exists (mnemon, category_name);
+ if (category) {
+ predicate = mnemon_item_in_category;
+ item_in_category.mnemon = mnemon;
+ item_in_category.category = category;
+ closure = &item_in_category;
+ }
+ }
for (i = 0; i < mnemon->num_bins; i++) {
- num_items = mnemon_bin_num_items_in_category (mnemon,
- &mnemon->bins[i],
- category);
+ num_items = bin_num_items_matching (&mnemon->bins[i],
+ predicate, closure);
if (i == 0 || num_items > max)
max = num_items;
}
if (i != 0)
while (bin->score - last_score > 1)
printf (HISTOGRAM_ROW_FORMAT "\n", ++last_score, 0);
- num_items = mnemon_bin_num_items_in_category (mnemon,
- bin, category);
+ num_items = bin_num_items_matching (bin,
+ predicate, closure);
printf (HISTOGRAM_ROW_FORMAT " ", bin->score, num_items);
print_histogram_bar (num_items, max);
last_score = bin->score;