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Remove unused hb_frozen_set_t

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This commit is contained in:
Behdad Esfahbod 2017-10-15 14:09:46 +02:00
parent 826a1daf2f
commit a433e60a43
1 changed files with 0 additions and 55 deletions
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55
src/hb-set-private.hh
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@ -40,8 +40,6 @@
struct hb_set_t
{
friend struct hb_frozen_set_t;
hb_object_header_t header;
ASSERT_POD ();
bool in_error;
@ -232,58 +230,5 @@ struct hb_set_t
static_assert ((sizeof (elt_t) * 8 * ELTS > MAX_G), "");
};
struct hb_frozen_set_t
{
static const unsigned int SHIFT = hb_set_t::SHIFT;
static const unsigned int BITS = hb_set_t::BITS;
static const unsigned int MASK = hb_set_t::MASK;
typedef hb_set_t::elt_t elt_t;
inline void init (const hb_set_t &set)
{
start = count = 0;
elts = nullptr;
unsigned int max = set.get_max ();
if (max == set.INVALID)
return;
unsigned int min = set.get_min ();
const elt_t &min_elt = set.elt (min);
start = min & ~MASK;
count = max - start + 1;
unsigned int num_elts = (count + BITS - 1) / BITS;
unsigned int elts_size = num_elts * sizeof (elt_t);
elts = (elt_t *) malloc (elts_size);
if (unlikely (!elts))
{
start = count = 0;
return;
}
memcpy (elts, &min_elt, elts_size);
}
inline void fini (void)
{
if (elts)
free (elts);
}
inline bool has (hb_codepoint_t g) const
{
/* hb_codepoint_t is unsigned. */
g -= start;
if (unlikely (g > count)) return false;
return !!(elt (g) & mask (g));
}
elt_t const &elt (hb_codepoint_t g) const { return elts[g >> SHIFT]; }
elt_t mask (hb_codepoint_t g) const { return elt_t (1) << (g & MASK); }
private:
hb_codepoint_t start, count;
elt_t *elts;
};
#endif /* HB_SET_PRIVATE_HH */