diff options
Diffstat (limited to 'thirdparty/harfbuzz/src/hb-bit-set.hh')
| -rw-r--r-- | thirdparty/harfbuzz/src/hb-bit-set.hh | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/thirdparty/harfbuzz/src/hb-bit-set.hh b/thirdparty/harfbuzz/src/hb-bit-set.hh index c21778d88e..a471ee48b5 100644 --- a/thirdparty/harfbuzz/src/hb-bit-set.hh +++ b/thirdparty/harfbuzz/src/hb-bit-set.hh @@ -35,13 +35,22 @@ struct hb_bit_set_t { - hb_bit_set_t () { init (); } - ~hb_bit_set_t () { fini (); } + hb_bit_set_t () = default; + ~hb_bit_set_t () = default; hb_bit_set_t (const hb_bit_set_t& other) : hb_bit_set_t () { set (other); } - void operator= (const hb_bit_set_t& other) { set (other); } - // TODO Add move construtor/assign - // TODO Add constructor for Iterator; with specialization for (sorted) vector / array? + hb_bit_set_t ( hb_bit_set_t&& other) : hb_bit_set_t () { hb_swap (*this, other); } + hb_bit_set_t& operator= (const hb_bit_set_t& other) { set (other); return *this; } + hb_bit_set_t& operator= (hb_bit_set_t&& other) { hb_swap (*this, other); return *this; } + friend void swap (hb_bit_set_t &a, hb_bit_set_t &b) + { + if (likely (!a.successful || !b.successful)) + return; + hb_swap (a.population, b.population); + hb_swap (a.last_page_lookup, b.last_page_lookup); + hb_swap (a.page_map, b.page_map); + hb_swap (a.pages, b.pages); + } void init () { @@ -67,9 +76,9 @@ struct hb_bit_set_t uint32_t index; }; - bool successful; /* Allocations successful */ - mutable unsigned int population; - mutable unsigned int last_page_lookup; + bool successful = true; /* Allocations successful */ + mutable unsigned int population = 0; + mutable unsigned int last_page_lookup = 0; hb_sorted_vector_t<page_map_t> page_map; hb_vector_t<page_t> pages; |