Bug 1524102 - Update HarfBuzz to version 2.3.1. r=jfkthame
Differential Revision: https://phabricator.services.mozilla.com/D18170
This commit is contained in:
@@ -28,68 +28,58 @@
|
||||
#define HB_ARRAY_HH
|
||||
|
||||
#include "hb.hh"
|
||||
#include "hb-dsalgs.hh"
|
||||
#include "hb-iter.hh"
|
||||
#include "hb-null.hh"
|
||||
|
||||
|
||||
template <typename Type>
|
||||
struct hb_sorted_array_t;
|
||||
|
||||
template <typename Type>
|
||||
struct hb_array_t
|
||||
struct hb_array_t :
|
||||
hb_iter_t<hb_array_t<Type>, Type>,
|
||||
hb_iter_mixin_t<hb_array_t<Type>, Type>
|
||||
{
|
||||
typedef Type ItemType;
|
||||
enum { item_size = hb_static_size (Type) };
|
||||
|
||||
/*
|
||||
* Constructors.
|
||||
*/
|
||||
hb_array_t () : arrayZ (nullptr), len (0) {}
|
||||
hb_array_t (const hb_array_t &o) : arrayZ (o.arrayZ), len (o.len) {}
|
||||
hb_array_t (Type *array_, unsigned int len_) : arrayZ (array_), len (len_) {}
|
||||
template <unsigned int len_> hb_array_t (Type (&array_)[len_]) : arrayZ (array_), len (len_) {}
|
||||
hb_array_t () : arrayZ (nullptr), length (0) {}
|
||||
hb_array_t (Type *array_, unsigned int length_) : arrayZ (array_), length (length_) {}
|
||||
template <unsigned int length_> hb_array_t (Type (&array_)[length_]) : arrayZ (array_), length (length_) {}
|
||||
|
||||
|
||||
/*
|
||||
* Operators.
|
||||
* Iterator implementation.
|
||||
*/
|
||||
|
||||
Type& operator [] (int i_) const
|
||||
typedef Type __item_type__;
|
||||
Type& __item_at__ (unsigned i) const
|
||||
{
|
||||
unsigned int i = (unsigned int) i_;
|
||||
if (unlikely (i >= len)) return CrapOrNull(Type);
|
||||
if (unlikely (i >= length)) return CrapOrNull (Type);
|
||||
return arrayZ[i];
|
||||
}
|
||||
void __forward__ (unsigned n)
|
||||
{
|
||||
if (unlikely (n > length))
|
||||
n = length;
|
||||
length -= n;
|
||||
arrayZ += n;
|
||||
}
|
||||
void __rewind__ (unsigned n)
|
||||
{
|
||||
if (unlikely (n > length))
|
||||
n = length;
|
||||
length -= n;
|
||||
}
|
||||
unsigned __len__ () const { return length; }
|
||||
bool __random_access__ () const { return true; }
|
||||
|
||||
explicit_operator bool () const { return len; }
|
||||
/* Extra operators.
|
||||
*/
|
||||
Type * operator & () const { return arrayZ; }
|
||||
Type & operator * () { return (this->operator [])[0]; }
|
||||
operator hb_array_t<const Type> () { return hb_array_t<const Type> (arrayZ, len); }
|
||||
operator hb_array_t<const Type> () { return hb_array_t<const Type> (arrayZ, length); }
|
||||
template <typename T> operator T * () const { return arrayZ; }
|
||||
|
||||
hb_array_t<Type> & operator += (unsigned int count)
|
||||
{
|
||||
if (unlikely (count > len))
|
||||
count = len;
|
||||
len -= count;
|
||||
arrayZ += count;
|
||||
return *this;
|
||||
}
|
||||
hb_array_t<Type> & operator -= (unsigned int count)
|
||||
{
|
||||
if (unlikely (count > len))
|
||||
count = len;
|
||||
len -= count;
|
||||
return *this;
|
||||
}
|
||||
hb_array_t<Type> & operator ++ () { *this += 1; }
|
||||
hb_array_t<Type> & operator -- () { *this -= 1; }
|
||||
hb_array_t<Type> operator + (unsigned int count)
|
||||
{ hb_array_t<Type> copy (*this); *this += count; return copy; }
|
||||
hb_array_t<Type> operator - (unsigned int count)
|
||||
{ hb_array_t<Type> copy (*this); *this -= count; return copy; }
|
||||
hb_array_t<Type> operator ++ (int)
|
||||
{ hb_array_t<Type> copy (*this); ++*this; return copy; }
|
||||
hb_array_t<Type> operator -- (int)
|
||||
{ hb_array_t<Type> copy (*this); --*this; return copy; }
|
||||
|
||||
/*
|
||||
* Compare, Sort, and Search.
|
||||
*/
|
||||
@@ -97,8 +87,8 @@ struct hb_array_t
|
||||
/* Note: our compare is NOT lexicographic; it also does NOT call Type::cmp. */
|
||||
int cmp (const hb_array_t<Type> &a) const
|
||||
{
|
||||
if (len != a.len)
|
||||
return (int) a.len - (int) len;
|
||||
if (length != a.length)
|
||||
return (int) a.length - (int) length;
|
||||
return hb_memcmp (a.arrayZ, arrayZ, get_size ());
|
||||
}
|
||||
static int cmp (const void *pa, const void *pb)
|
||||
@@ -111,7 +101,7 @@ struct hb_array_t
|
||||
template <typename T>
|
||||
Type *lsearch (const T &x, Type *not_found = nullptr)
|
||||
{
|
||||
unsigned int count = len;
|
||||
unsigned int count = length;
|
||||
for (unsigned int i = 0; i < count; i++)
|
||||
if (!this->arrayZ[i].cmp (x))
|
||||
return &this->arrayZ[i];
|
||||
@@ -120,7 +110,7 @@ struct hb_array_t
|
||||
template <typename T>
|
||||
const Type *lsearch (const T &x, const Type *not_found = nullptr) const
|
||||
{
|
||||
unsigned int count = len;
|
||||
unsigned int count = length;
|
||||
for (unsigned int i = 0; i < count; i++)
|
||||
if (!this->arrayZ[i].cmp (x))
|
||||
return &this->arrayZ[i];
|
||||
@@ -129,33 +119,36 @@ struct hb_array_t
|
||||
|
||||
hb_sorted_array_t<Type> qsort (int (*cmp_)(const void*, const void*))
|
||||
{
|
||||
::qsort (arrayZ, len, item_size, cmp_);
|
||||
if (likely (length))
|
||||
::qsort (arrayZ, length, this->item_size, cmp_);
|
||||
return hb_sorted_array_t<Type> (*this);
|
||||
}
|
||||
hb_sorted_array_t<Type> qsort ()
|
||||
{
|
||||
::qsort (arrayZ, len, item_size, Type::cmp);
|
||||
if (likely (length))
|
||||
::qsort (arrayZ, length, this->item_size, Type::cmp);
|
||||
return hb_sorted_array_t<Type> (*this);
|
||||
}
|
||||
void qsort (unsigned int start, unsigned int end)
|
||||
{
|
||||
end = MIN (end, len);
|
||||
end = MIN (end, length);
|
||||
assert (start <= end);
|
||||
::qsort (arrayZ + start, end - start, item_size, Type::cmp);
|
||||
if (likely (start < end))
|
||||
::qsort (arrayZ + start, end - start, this->item_size, Type::cmp);
|
||||
}
|
||||
|
||||
/*
|
||||
* Other methods.
|
||||
*/
|
||||
|
||||
unsigned int get_size () const { return len * item_size; }
|
||||
unsigned int get_size () const { return length * this->item_size; }
|
||||
|
||||
hb_array_t<Type> sub_array (unsigned int start_offset = 0, unsigned int *seg_count = nullptr /* IN/OUT */) const
|
||||
{
|
||||
if (!start_offset && !seg_count)
|
||||
return *this;
|
||||
|
||||
unsigned int count = len;
|
||||
unsigned int count = length;
|
||||
if (unlikely (start_offset > count))
|
||||
count = 0;
|
||||
else
|
||||
@@ -169,11 +162,11 @@ struct hb_array_t
|
||||
|
||||
/* Only call if you allocated the underlying array using malloc() or similar. */
|
||||
void free ()
|
||||
{ ::free ((void *) arrayZ); arrayZ = nullptr; len = 0; }
|
||||
{ ::free ((void *) arrayZ); arrayZ = nullptr; length = 0; }
|
||||
|
||||
template <typename hb_sanitize_context_t>
|
||||
bool sanitize (hb_sanitize_context_t *c) const
|
||||
{ return c->check_array (arrayZ, len); }
|
||||
{ return c->check_array (arrayZ, length); }
|
||||
|
||||
/*
|
||||
* Members
|
||||
@@ -181,11 +174,14 @@ struct hb_array_t
|
||||
|
||||
public:
|
||||
Type *arrayZ;
|
||||
unsigned int len;
|
||||
unsigned int length;
|
||||
};
|
||||
template <typename T>
|
||||
inline hb_array_t<T> hb_array (T *array, unsigned int len)
|
||||
{ return hb_array_t<T> (array, len); }
|
||||
template <typename T> inline hb_array_t<T>
|
||||
hb_array (T *array, unsigned int length)
|
||||
{ return hb_array_t<T> (array, length); }
|
||||
template <typename T, unsigned int length_> inline hb_array_t<T>
|
||||
hb_array (T (&array_)[length_])
|
||||
{ return hb_array_t<T> (array_); }
|
||||
|
||||
|
||||
enum hb_bfind_not_found_t
|
||||
@@ -196,11 +192,15 @@ enum hb_bfind_not_found_t
|
||||
};
|
||||
|
||||
template <typename Type>
|
||||
struct hb_sorted_array_t : hb_array_t<Type>
|
||||
struct hb_sorted_array_t :
|
||||
hb_sorted_iter_t<hb_sorted_array_t<Type>, Type>,
|
||||
hb_array_t<Type>,
|
||||
hb_iter_mixin_t<hb_sorted_array_t<Type>, Type>
|
||||
{
|
||||
hb_sorted_array_t () : hb_array_t<Type> () {}
|
||||
hb_sorted_array_t (const hb_array_t<Type> &o) : hb_array_t<Type> (o) {}
|
||||
hb_sorted_array_t (Type *array_, unsigned int len_) : hb_array_t<Type> (array_, len_) {}
|
||||
hb_sorted_array_t (Type *array_, unsigned int length_) : hb_array_t<Type> (array_, length_) {}
|
||||
template <unsigned int length_> hb_sorted_array_t (Type (&array_)[length_]) : hb_array_t<Type> (array_) {}
|
||||
|
||||
hb_sorted_array_t<Type> sub_array (unsigned int start_offset, unsigned int *seg_count /* IN/OUT */) const
|
||||
{ return hb_sorted_array_t<Type> (((const hb_array_t<Type> *) (this))->sub_array (start_offset, seg_count)); }
|
||||
@@ -224,7 +224,7 @@ struct hb_sorted_array_t : hb_array_t<Type>
|
||||
hb_bfind_not_found_t not_found = HB_BFIND_NOT_FOUND_DONT_STORE,
|
||||
unsigned int to_store = (unsigned int) -1) const
|
||||
{
|
||||
int min = 0, max = (int) this->len - 1;
|
||||
int min = 0, max = (int) this->length - 1;
|
||||
const Type *array = this->arrayZ;
|
||||
while (min <= max)
|
||||
{
|
||||
@@ -253,7 +253,7 @@ struct hb_sorted_array_t : hb_array_t<Type>
|
||||
break;
|
||||
|
||||
case HB_BFIND_NOT_FOUND_STORE_CLOSEST:
|
||||
if (max < 0 || (max < (int) this->len && array[max].cmp (x) > 0))
|
||||
if (max < 0 || (max < (int) this->length && array[max].cmp (x) > 0))
|
||||
max++;
|
||||
*i = max;
|
||||
break;
|
||||
@@ -262,9 +262,12 @@ struct hb_sorted_array_t : hb_array_t<Type>
|
||||
return false;
|
||||
}
|
||||
};
|
||||
template <typename T>
|
||||
inline hb_sorted_array_t<T> hb_sorted_array (T *array, unsigned int len)
|
||||
{ return hb_sorted_array_t<T> (array, len); }
|
||||
template <typename T> inline hb_sorted_array_t<T>
|
||||
hb_sorted_array (T *array, unsigned int length)
|
||||
{ return hb_sorted_array_t<T> (array, length); }
|
||||
template <typename T, unsigned int length_> inline hb_sorted_array_t<T>
|
||||
hb_sorted_array (T (&array_)[length_])
|
||||
{ return hb_sorted_array_t<T> (array_); }
|
||||
|
||||
|
||||
typedef hb_array_t<const char> hb_bytes_t;
|
||||
|
||||
Reference in New Issue
Block a user