diff options
author | Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io> | 2021-03-23 07:45:57 +0100 |
---|---|---|
committer | Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io> | 2021-04-06 12:55:18 +0100 |
commit | 70af64433f491ee28e8b4ff19ebf413d45960155 (patch) | |
tree | 46dd5971011d619377ed233469f33c33f303d79e /src/3rdparty/harfbuzz-ng/src/hb-open-type.hh | |
parent | 29450dfa283bc08f1999ac6dfc5c4956cc9af044 (diff) |
Update to Harfbuzz 2.8.0
This updates Harfbuzz to the latest version and also
adds an import script to help with this work in the
future.
Task-number: QTBUG-90217
Pick-to: 6.1
Change-Id: I23eae7b7bbbd5001df9873e4784a0c4213de5508
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-open-type.hh')
-rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-open-type.hh | 115 |
1 files changed, 69 insertions, 46 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-open-type.hh b/src/3rdparty/harfbuzz-ng/src/hb-open-type.hh index af242ece12..dc0ae1d989 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-open-type.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-open-type.hh @@ -53,14 +53,19 @@ namespace OT { */ /* Integer types in big-endian order and no alignment requirement */ -template <typename Type, unsigned int Size> +template <typename Type, + unsigned int Size = sizeof (Type)> struct IntType { typedef Type type; - typedef hb_conditional<hb_is_signed (Type), signed, unsigned> wide_type; - IntType& operator = (wide_type i) { v = i; return *this; } - operator wide_type () const { return v; } + IntType () = default; + explicit constexpr IntType (Type V) : v {V} {} + IntType& operator = (Type i) { v = i; return *this; } + /* For reason we define cast out operator for signed/unsigned, instead of Type, see: + * https://github.com/harfbuzz/harfbuzz/pull/2875/commits/09836013995cab2b9f07577a179ad7b024130467 */ + operator hb_conditional<hb_is_signed (Type), signed, unsigned> () const { return v; } + bool operator == (const IntType &o) const { return (Type) v == (Type) o.v; } bool operator != (const IntType &o) const { return !(*this == o); } @@ -73,14 +78,28 @@ struct IntType HB_INTERNAL static int cmp (const IntType *a, const IntType *b) { return b->cmp (*a); } - template <typename Type2> + HB_INTERNAL static int cmp (const void *a, const void *b) + { + IntType *pa = (IntType *) a; + IntType *pb = (IntType *) b; + + return pb->cmp (*pa); + } + template <typename Type2, + hb_enable_if (hb_is_integral (Type2) && + sizeof (Type2) < sizeof (int) && + sizeof (Type) < sizeof (int))> int cmp (Type2 a) const { Type b = v; - if (sizeof (Type) < sizeof (int) && sizeof (Type2) < sizeof (int)) - return (int) a - (int) b; - else - return a < b ? -1 : a == b ? 0 : +1; + return (int) a - (int) b; + } + template <typename Type2, + hb_enable_if (hb_is_convertible (Type2, Type))> + int cmp (Type2 a) const + { + Type b = v; + return a < b ? -1 : a == b ? 0 : +1; } bool sanitize (hb_sanitize_context_t *c) const { @@ -93,12 +112,12 @@ struct IntType DEFINE_SIZE_STATIC (Size); }; -typedef IntType<uint8_t, 1> HBUINT8; /* 8-bit unsigned integer. */ -typedef IntType<int8_t, 1> HBINT8; /* 8-bit signed integer. */ -typedef IntType<uint16_t, 2> HBUINT16; /* 16-bit unsigned integer. */ -typedef IntType<int16_t, 2> HBINT16; /* 16-bit signed integer. */ -typedef IntType<uint32_t, 4> HBUINT32; /* 32-bit unsigned integer. */ -typedef IntType<int32_t, 4> HBINT32; /* 32-bit signed integer. */ +typedef IntType<uint8_t> HBUINT8; /* 8-bit unsigned integer. */ +typedef IntType<int8_t> HBINT8; /* 8-bit signed integer. */ +typedef IntType<uint16_t> HBUINT16; /* 16-bit unsigned integer. */ +typedef IntType<int16_t> HBINT16; /* 16-bit signed integer. */ +typedef IntType<uint32_t> HBUINT32; /* 32-bit unsigned integer. */ +typedef IntType<int32_t> HBINT32; /* 32-bit signed integer. */ /* Note: we cannot defined a signed HBINT24 because there's no corresponding C type. * Works for unsigned, but not signed, since we rely on compiler for sign-extension. */ typedef IntType<uint32_t, 3> HBUINT24; /* 24-bit unsigned integer. */ @@ -156,8 +175,8 @@ struct Tag : HBUINT32 { Tag& operator = (hb_tag_t i) { HBUINT32::operator= (i); return *this; } /* What the char* converters return is NOT nul-terminated. Print using "%.4s" */ - operator const char* () const { return reinterpret_cast<const char *> (&this->v); } - operator char* () { return reinterpret_cast<char *> (&this->v); } + operator const char* () const { return reinterpret_cast<const char *> (this); } + operator char* () { return reinterpret_cast<char *> (this); } public: DEFINE_SIZE_STATIC (4); }; @@ -306,11 +325,8 @@ struct OffsetTo : Offset<OffsetType, has_null> } template <typename ...Ts> - bool serialize_subset (hb_subset_context_t *c, - const OffsetTo& src, - const void *src_base, - const void *dst_base, - Ts&&... ds) + bool serialize_subset (hb_subset_context_t *c, const OffsetTo& src, + const void *src_base, Ts&&... ds) { *this = 0; if (src.is_null ()) @@ -323,7 +339,7 @@ struct OffsetTo : Offset<OffsetType, has_null> bool ret = c->dispatch (src_base+src, hb_forward<Ts> (ds)...); if (ret || !has_null) - s->add_link (*this, s->pop_pack (), dst_base); + s->add_link (*this, s->pop_pack ()); else s->pop_discard (); @@ -331,11 +347,13 @@ struct OffsetTo : Offset<OffsetType, has_null> } /* TODO: Somehow merge this with previous function into a serialize_dispatch(). */ + /* Workaround clang bug: https://bugs.llvm.org/show_bug.cgi?id=23029 + * Can't compile: whence = hb_serialize_context_t::Head followed by Ts&&... + */ template <typename ...Ts> - bool serialize_copy (hb_serialize_context_t *c, - const OffsetTo& src, - const void *src_base, - const void *dst_base, + bool serialize_copy (hb_serialize_context_t *c, const OffsetTo& src, + const void *src_base, unsigned dst_bias, + hb_serialize_context_t::whence_t whence, Ts&&... ds) { *this = 0; @@ -346,11 +364,15 @@ struct OffsetTo : Offset<OffsetType, has_null> bool ret = c->copy (src_base+src, hb_forward<Ts> (ds)...); - c->add_link (*this, c->pop_pack (), dst_base); + c->add_link (*this, c->pop_pack (), whence, dst_bias); return ret; } + bool serialize_copy (hb_serialize_context_t *c, const OffsetTo& src, + const void *src_base, unsigned dst_bias = 0) + { return serialize_copy (c, src, src_base, dst_bias, hb_serialize_context_t::Head); } + bool sanitize_shallow (hb_sanitize_context_t *c, const void *base) const { TRACE_SANITIZE (this); @@ -423,8 +445,6 @@ struct UnsizedArrayOf { return hb_array (arrayZ, len); } hb_array_t<const Type> as_array (unsigned int len) const { return hb_array (arrayZ, len); } - operator hb_array_t< Type> () { return as_array (); } - operator hb_array_t<const Type> () const { return as_array (); } template <typename T> Type &lsearch (unsigned int len, const T &x, Type ¬_found = Crap (Type)) @@ -432,6 +452,9 @@ struct UnsizedArrayOf template <typename T> const Type &lsearch (unsigned int len, const T &x, const Type ¬_found = Null (Type)) const { return *as_array (len).lsearch (x, ¬_found); } + template <typename T> + bool lfind (unsigned int len, const T &x, unsigned *pos = nullptr) const + { return as_array (len).lfind (x, pos); } void qsort (unsigned int len, unsigned int start = 0, unsigned int end = (unsigned int) -1) { as_array (len).qsort (start, end); } @@ -539,8 +562,8 @@ struct SortedUnsizedArrayOf : UnsizedArrayOf<Type> { return *as_array (len).bsearch (x, ¬_found); } template <typename T> bool bfind (unsigned int len, const T &x, unsigned int *i = nullptr, - hb_bfind_not_found_t not_found = HB_BFIND_NOT_FOUND_DONT_STORE, - unsigned int to_store = (unsigned int) -1) const + hb_bfind_not_found_t not_found = HB_BFIND_NOT_FOUND_DONT_STORE, + unsigned int to_store = (unsigned int) -1) const { return as_array (len).bfind (x, i, not_found, to_store); } }; @@ -594,7 +617,7 @@ struct ArrayOf hb_array_t<Type> sub_array (unsigned int start_offset, unsigned int *count = nullptr /* IN/OUT */) { return as_array ().sub_array (start_offset, count); } - bool serialize (hb_serialize_context_t *c, unsigned int items_len) + hb_success_t serialize (hb_serialize_context_t *c, unsigned items_len) { TRACE_SERIALIZE (this); if (unlikely (!c->extend_min (*this))) return_trace (false); @@ -604,7 +627,7 @@ struct ArrayOf } template <typename Iterator, hb_requires (hb_is_source_of (Iterator, Type))> - bool serialize (hb_serialize_context_t *c, Iterator items) + hb_success_t serialize (hb_serialize_context_t *c, Iterator items) { TRACE_SERIALIZE (this); unsigned count = items.len (); @@ -657,6 +680,9 @@ struct ArrayOf template <typename T> const Type &lsearch (const T &x, const Type ¬_found = Null (Type)) const { return *as_array ().lsearch (x, ¬_found); } + template <typename T> + bool lfind (const T &x, unsigned *pos = nullptr) const + { return as_array ().lfind (x, pos); } void qsort (unsigned int start = 0, unsigned int end = (unsigned int) -1) { as_array ().qsort (start, end); } @@ -1026,18 +1052,15 @@ struct VarSizedBinSearchArrayOf template <typename T> const Type *bsearch (const T &key) const { - unsigned int size = header.unitSize; - int min = 0, max = (int) get_length () - 1; - while (min <= max) - { - int mid = ((unsigned int) min + (unsigned int) max) / 2; - const Type *p = (const Type *) (((const char *) &bytesZ) + (mid * size)); - int c = p->cmp (key); - if (c < 0) max = mid - 1; - else if (c > 0) min = mid + 1; - else return p; - } - return nullptr; + unsigned pos; + return hb_bsearch_impl (&pos, + key, + (const void *) bytesZ, + get_length (), + header.unitSize, + _hb_cmp_method<T, Type>) + ? (const Type *) (((const char *) &bytesZ) + (pos * header.unitSize)) + : nullptr; } private: |