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[iter] Change item_size to get_item_size() 

By moving access to hb_static_size(Type) into a function instead of
a class-const, we can refer to iter types of incomplete types, which
come handy when a method of hb_array_t wants to return iterator
of hb_array_t.  That kind of stuff.   Next commit needs this to
build on clang...
This commit is contained in:
Behdad Esfahbod 2019-08-29 15:45:21 -07:00
parent d58e248df6
commit c72589f13f
2 changed files with 6 additions and 6 deletions
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8
src/hb-array.hh
View File

@ -141,13 +141,13 @@ struct hb_array_t : hb_iter_with_fallback_t<hb_array_t<Type>, Type&>
hb_sorted_array_t<Type> qsort (int (*cmp_)(const void*, const void*))
{
if (likely (length))
hb_qsort (arrayZ, length, this->item_size, cmp_);
hb_qsort (arrayZ, length, this->get_item_size (), cmp_);
return hb_sorted_array_t<Type> (*this);
}
hb_sorted_array_t<Type> qsort ()
{
if (likely (length))
hb_qsort (arrayZ, length, this->item_size, Type::cmp);
hb_qsort (arrayZ, length, this->get_item_size (), Type::cmp);
return hb_sorted_array_t<Type> (*this);
}
void qsort (unsigned int start, unsigned int end)
@ -155,14 +155,14 @@ struct hb_array_t : hb_iter_with_fallback_t<hb_array_t<Type>, Type&>
end = hb_min (end, length);
assert (start <= end);
if (likely (start < end))
hb_qsort (arrayZ + start, end - start, this->item_size, Type::cmp);
hb_qsort (arrayZ + start, end - start, this->get_item_size (), Type::cmp);
}
/*
* Other methods.
*/
unsigned int get_size () const { return length * this->item_size; }
unsigned int get_size () const { return length * this->get_item_size (); }
hb_array_t sub_array (unsigned int start_offset = 0, unsigned int *seg_count = nullptr /* IN/OUT */) const
{

4
src/hb-iter.hh
View File

@ -64,7 +64,7 @@ template <typename iter_t, typename Item = typename iter_t::__item_t__>
struct hb_iter_t
{
typedef Item item_t;
static constexpr unsigned item_size = hb_static_size (Item);
constexpr unsigned get_item_size () const { return hb_static_size (Item); }
static constexpr bool is_iterator = true;
static constexpr bool is_random_access_iterator = false;
static constexpr bool is_sorted_iterator = false;
@ -130,7 +130,7 @@ struct hb_iter_t
using item_t = typename Name::item_t; \
using Name::begin; \
using Name::end; \
using Name::item_size; \
using Name::get_item_size; \
using Name::is_iterator; \
using Name::iter; \
using Name::operator bool; \