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[arrays] Start moving Supplier<> to hb_array_t<>

This commit is contained in:
Behdad Esfahbod 2018-12-16 23:31:19 -05:00
parent 1e2c98126e
commit 507cac4943
1 changed files with 11 additions and 20 deletions
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31
src/hb-machinery.hh
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@ -642,45 +642,36 @@ struct hb_serialize_context_t
*/ */
template <typename Type> template <typename Type>
struct Supplier struct Supplier : hb_array_t<const Type>
{ {
Supplier (const Type *array, unsigned int len_) Supplier (const Type *array, unsigned int len_)
{ {
head = array; this->arrayZ = array;
len = len_; this->len = len_;
} }
Supplier (hb_array_t<const Type> v) Supplier (hb_array_t<const Type> v)
{ {
head = v.arrayZ; this->arrayZ = v.arrayZ;
len = v.len; this->len = v.len;
} }
Supplier (const hb_vector_t<Type> &v) Supplier (const hb_vector_t<Type> &v)
{ {
head = (const Type *) v; this->arrayZ = (const Type *) v;
len = v.len; this->len = v.len;
}
const Type operator [] (unsigned int i) const
{
if (unlikely (i >= len)) return Type ();
return head[i];
} }
Supplier<Type> & operator += (unsigned int count) Supplier<Type> & operator += (unsigned int count)
{ {
if (unlikely (count > len)) if (unlikely (count > this->len))
count = len; count = this->len;
len -= count; this->len -= count;
head += count; this->arrayZ += count;
return *this; return *this;
} }
private: private:
Supplier (const Supplier<Type> &); /* Disallow copy */ Supplier (const Supplier<Type> &); /* Disallow copy */
Supplier<Type>& operator= (const Supplier<Type> &); /* Disallow copy */ Supplier<Type>& operator= (const Supplier<Type> &); /* Disallow copy */
unsigned int len;
const Type *head;
}; };