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[serialize] Take arguments in copy()

This commit is contained in:
Behdad Esfahbod 2019-05-02 14:14:33 -07:00
parent 273ed6127b
commit 88fdeeecc0
2 changed files with 9 additions and 7 deletions
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6
src/hb-open-type.hh
View File

@ -305,8 +305,8 @@ struct OffsetTo : Offset<OffsetType, has_null>
return ret;
}
template <typename T>
bool serialize_copy (hb_serialize_context_t *c, const T &src, const void *base)
template <typename T, typename ...Ts>
bool serialize_copy (hb_serialize_context_t *c, const T &src, const void *base, Ts &&...ds)
{
*this = 0;
if (has_null && &src == &Null (T))
@ -314,7 +314,7 @@ struct OffsetTo : Offset<OffsetType, has_null>
c->push ();
c->copy (src);
c->copy (src, hb_forward<Ts> (ds)...);
c->add_link (*this, c->pop_pack (), base);
}

10
src/hb-serialize.hh
View File

@ -366,8 +366,9 @@ struct hb_serialize_context_t
return ret;
}
template <typename Type> auto
_copy (const Type &obj, hb_priority<1>) const HB_RETURN (Type *, obj.copy (this))
template <typename Type, typename ...Ts> auto
_copy (const Type &obj, hb_priority<1>, Ts &&...ds) const HB_RETURN
(Type *, obj.copy (this, hb_forward<Ts> (ds)...))
template <typename Type> auto
_copy (const Type &obj, hb_priority<0>) const -> decltype (&(obj = obj))
@ -380,8 +381,9 @@ struct hb_serialize_context_t
/* Like embed, but active: calls obj.operator=() or obj.copy() to transfer data
* instead of memcpy(). */
template <typename Type>
Type *copy (const Type &obj) { return _copy (obj, hb_prioritize); }
template <typename Type, typename ...Ts>
Type *copy (const Type &obj, Ts &&...ds)
{ return _copy (obj, hb_prioritize, hb_forward<Ts> (ds)...); }
template <typename Type>
hb_serialize_context_t &operator << (const Type &obj) { embed (obj); return *this; }