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136 Commits

Author SHA1 Message Date
Behdad Esfahbod bcd59b5142 [set/map] Remove init_shallow/fini_shallow() 2022-07-20 15:58:28 -06:00
Behdad Esfahbod 97ea10a63a Remove old nullptr_t hacks 
Were used for hashmap before.
 2022-06-02 11:23:38 -06:00
Behdad Esfahbod 58f848daa8 [set/map] Adjust hash function return type 2022-05-19 15:43:19 -06:00
Behdad Esfahbod 0623aa598b [benchmark-set] Add benchmark for set copy 2022-05-19 15:43:15 -06:00
Behdad Esfahbod 124f9aeb9b [set] Make hb_set_t hashable 2022-05-19 12:58:02 -06:00
Behdad Esfahbod 1f578b5a32 [set] Add pre-allocation internal API 2022-05-18 15:25:00 -06:00
Behdad Esfahbod 7fa580bc4f [map] Fix map copy/move constructors to actually work 
Ouch!
 2022-05-12 13:05:32 -06:00
Behdad Esfahbod a09dd87ca3 [set] Fix set copy/move constructors to actually work 
Ouch!
 2022-05-12 12:58:07 -06:00
Behdad Esfahbod c81198b5bc [set] Tweak move operators a bit 
Should be equivalent.
 2022-05-12 12:14:02 -06:00
Behdad Esfahbod 0a38878549 [set] Minor touch-up on the previous commit 2022-03-25 09:42:36 -06:00
Andrew John 0182988229
[set] Add call to export set contents to an array. (#3500) 
[set] Add hb_set_next_many.
 2022-03-25 09:36:44 -06:00
Behdad Esfahbod 394f772937 [map] Allow storing classes in the hashmap 
Fixes https://github.com/harfbuzz/harfbuzz/issues/3293

The trick was to change the type of the invalid key/value to be non-class.
 2021-11-19 11:49:23 -07:00
Behdad Esfahbod 811f80a701 [algs] Use std::move instead of hb_move() 2021-11-02 00:17:54 -06:00
Behdad Esfahbod 3604f5f248 [algs] Include <initializer_list> 2021-11-01 22:37:42 -06:00
Behdad Esfahbod e97e79967e Verbiage 2021-11-01 21:34:46 -06:00
Behdad Esfahbod 34fa5e2901 [set] More default operators 2021-11-01 21:25:03 -06:00
Behdad Esfahbod dcd18da611 [set] Add standard the 5 standard methods & tests 2021-11-01 20:55:30 -06:00
Behdad Esfahbod 93ac700da6 [set] Add copy-constructor/assignment again 2021-08-29 10:47:20 -06:00
Behdad Esfahbod f0c3804fa2 [set] Add hb_bit_set_invertible_t and resurrect hb_set_invert() 
Implementation is NOT complete yet.
 2021-08-17 19:53:43 -06:00
Behdad Esfahbod b5cdbdc030 [set] Turn hb_set_t into instance of template taking implementation t 2021-08-17 10:53:08 -06:00
Behdad Esfahbod fad452bffb [set] Move main functionality into hb_bit_set_t 
To add inversion on top in hb_invertible_set_t and use that as hb_set_t.
 2021-08-17 10:47:18 -06:00
Behdad Esfahbod f245dc4db8 [set] Whitespace 2021-08-15 18:59:58 -06:00
Behdad Esfahbod 9b390f8c40 [set] Move page_t into hb-bit-page.hh 2021-08-15 18:59:58 -06:00
Behdad Esfahbod 0c3e02ee2d [set] Add "inverted" to page_t::is_empty() 2021-08-15 18:59:58 -06:00
Behdad Esfahbod 9bd64fa077 [set] Add "inverted" to page_t::next/prev() 2021-08-15 18:59:58 -06:00
Behdad Esfahbod c88e7ec935 [set] Add page_t::elt_maybe_invert() 2021-08-15 18:59:58 -06:00
Behdad Esfahbod 9449cfeefd [set] Simplify page_t::next/prev() 2021-08-15 18:59:58 -06:00
Behdad Esfahbod 4394ee1f1d [set] Add inverted to page_t::get_min/max() 2021-08-15 18:59:58 -06:00
Behdad Esfahbod 0dcd9b15d9 [set] Add page_t::set_range() 2021-08-15 18:59:58 -06:00
Behdad Esfahbod cb273fd17c [set] Add page_t::set() 2021-08-15 18:59:58 -06:00
Behdad Esfahbod 32bbf53d9c [set] Minor rewrite one cmp() in term of other 2021-08-15 18:59:58 -06:00
Behdad Esfahbod 2d54c34680 [subset/VarStore] Fix OOM in fuzzer test 
The test in question is the one added in c68a00b92e.
Culprit is that it's allocating lots of memory because of region_indices that
are out-of-range anyway. So, try to filter those out first.
 2021-07-29 00:49:36 -06:00
Behdad Esfahbod bf2c87bfe6 Add hb_memcpy() that does len=0 check 2021-07-27 13:26:00 -06:00
Behdad Esfahbod b235511ed8
Merge pull request #3021 from googlefonts/stable_api 
[subset] update hb_subset api with final changes before going stable.
 2021-07-23 12:15:15 -07:00
Garret Rieger c581d11eba [set] in hb_set_set() avoid calling memcpy on nullptr. 2021-07-22 14:04:39 -07:00
Behdad Esfahbod 03cd9c5cba Align lfind() API to match bfind() 2021-07-22 11:38:27 -07:00
Behdad Esfahbod bb48bf52a4 Rename misc uses of "free" 
In preparation for fixing https://github.com/harfbuzz/harfbuzz/issues/3044
 2021-07-08 10:54:09 -07:00
Behdad Esfahbod bc33b87f5e [set] Use references, not pointers, in internal C++ API 2021-06-09 11:54:12 -06:00
Behdad Esfahbod 9cfac093aa [set] Add copy constructor/assignment 2021-06-09 11:43:35 -06:00
Garret Rieger 466e1fdf5d [subset] remove unnessecary brackets. 2021-05-26 15:26:09 -06:00
Garret Rieger 583237299d Add cmp() method for major to page map. 2021-05-26 15:26:09 -06:00
Garret Rieger 2c137045dc [subset] Optimize set iteration by caching the last found page map index. 
Reuse it if possible on consecutive calls to next(). Will signifcantly speed up cases where the entire set is iterated. In local testing iterating a very large set was 10x faster.
 2021-05-26 15:26:09 -06:00
Behdad Esfahbod 9e5738a86a [set] Okay, giving up on constexpr till C++14 
../src/hb-set.hh:213:89: error: call to non-'constexpr' function 'const elt_t& hb_vector_size_t<elt_t, byte_size>::operator[](unsigned int) const [with elt_t = long long unsigned int; unsigned int byte_size = 64]'
 2021-05-26 15:15:06 -06:00
Behdad Esfahbod 90fa558a5b [set] Another try at constexpr to make msvc happy 2021-05-26 15:05:48 -06:00
Behdad Esfahbod bf5d4a6392 [set] Add TODO 2021-05-26 14:27:02 -06:00
Behdad Esfahbod 11d03f1ff9 [set] Mark a couple methods as constexpr 2021-05-26 14:26:05 -06:00
Behdad Esfahbod d2829ad374 [set] Refactor code into page_t::is_subset() 2021-05-26 14:24:27 -06:00
Behdad Esfahbod e47e44a858 [set] Whitespace 2021-05-26 14:19:27 -06:00
Kurt Kartaltepe 2000f47ae5 [set] Compute is_subset by comparing pages. 
Test subsets one page at a time instead of by codepoints. On my machine
this is about 250x faster than the previous implementation.
 2021-05-26 14:15:25 -06:00
Garret Rieger 425ba1f4ab [subset] fixes infinite loop in hb_set_get_max(). 
Fixes https://oss-fuzz.com/testcase-detail/5363902507515904
 2021-04-20 13:18:07 -06:00