HB_BEGIN_DECLS
+#define HB_SET_VALUE_INVALID ((hb_codepoint_t) -1)
+
typedef struct hb_set_t hb_set_t;
/* Returns false if allocation has failed before */
hb_bool_t
-hb_set_allocation_successful (hb_set_t *set);
+hb_set_allocation_successful (const hb_set_t *set);
void
hb_set_clear (hb_set_t *set);
hb_bool_t
-hb_set_empty (hb_set_t *set);
+hb_set_is_empty (const hb_set_t *set);
hb_bool_t
-hb_set_has (hb_set_t *set,
+hb_set_has (const hb_set_t *set,
hb_codepoint_t codepoint);
/* Right now limited to 16-bit integers. Eventually will do full codepoint range, sans -1
hb_codepoint_t codepoint);
void
+hb_set_add_range (hb_set_t *set,
+ hb_codepoint_t first,
+ hb_codepoint_t last);
+
+void
hb_set_del (hb_set_t *set,
hb_codepoint_t codepoint);
+void
+hb_set_del_range (hb_set_t *set,
+ hb_codepoint_t first,
+ hb_codepoint_t last);
+
hb_bool_t
-hb_set_equal (hb_set_t *set,
- hb_set_t *other);
+hb_set_is_equal (const hb_set_t *set,
+ const hb_set_t *other);
void
-hb_set_set (hb_set_t *set,
- hb_set_t *other);
+hb_set_set (hb_set_t *set,
+ const hb_set_t *other);
void
-hb_set_union (hb_set_t *set,
- hb_set_t *other);
+hb_set_union (hb_set_t *set,
+ const hb_set_t *other);
void
-hb_set_intersect (hb_set_t *set,
- hb_set_t *other);
+hb_set_intersect (hb_set_t *set,
+ const hb_set_t *other);
void
-hb_set_subtract (hb_set_t *set,
- hb_set_t *other);
+hb_set_subtract (hb_set_t *set,
+ const hb_set_t *other);
void
-hb_set_symmetric_difference (hb_set_t *set,
- hb_set_t *other);
+hb_set_symmetric_difference (hb_set_t *set,
+ const hb_set_t *other);
+
+void
+hb_set_invert (hb_set_t *set);
+
+unsigned int
+hb_set_get_population (const hb_set_t *set);
/* Returns -1 if set empty. */
hb_codepoint_t
-hb_set_min (hb_set_t *set);
+hb_set_get_min (const hb_set_t *set);
/* Returns -1 if set empty. */
hb_codepoint_t
-hb_set_max (hb_set_t *set);
+hb_set_get_max (const hb_set_t *set);
/* Pass -1 in to get started. */
hb_bool_t
-hb_set_next (hb_set_t *set,
+hb_set_next (const hb_set_t *set,
hb_codepoint_t *codepoint);
-/* TODO: Add faster iteration API? */
+/* Pass -1 for first and last to get started. */
+hb_bool_t
+hb_set_next_range (const hb_set_t *set,
+ hb_codepoint_t *first,
+ hb_codepoint_t *last);
HB_END_DECLS