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Update data structure

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topjohnwu
2022-02-07 00:17:07 -08:00
parent e9348d9b6a
commit 3145e67feb
3 changed files with 69 additions and 50 deletions
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25
native/jni/utils/misc.hpp
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@@ -80,13 +80,18 @@ public:
bool operator!=(const stateless_allocator&) { return false; }
};
class dynamic_bitset {
class dynamic_bitset_impl {
public:
using slot_type = unsigned long;
constexpr static int slot_size = sizeof(slot_type) * 8;
using slot_bits = std::bitset<slot_size>;
slot_bits::reference operator[] (size_t pos) {
size_t slots() const { return slot_list.size(); }
slot_type get_slot(size_t slot) const {
return slot_list.size() > slot ? slot_list[slot].to_ulong() : 0ul;
}
protected:
slot_bits::reference get(size_t pos) {
size_t slot = pos / slot_size;
size_t index = pos % slot_size;
if (slot_list.size() <= slot) {
@@ -94,19 +99,25 @@ public:
}
return slot_list[slot][index];
}
bool operator[] (size_t pos) const {
bool get(size_t pos) const {
size_t slot = pos / slot_size;
size_t index = pos % slot_size;
return slot_list.size() > slot && slot_list[slot][index];
}
size_t slots() const { return slot_list.size(); }
slot_type get_slot(size_t slot) const {
return slot_list.size() > slot ? slot_list[slot].to_ulong() : 0ul;
}
private:
std::vector<slot_bits> slot_list;
};
struct dynamic_bitset : public dynamic_bitset_impl {
slot_bits::reference operator[] (size_t pos) { return get(pos); }
bool operator[] (size_t pos) const { return get(pos); }
};
struct StringCmp {
using is_transparent = void;
bool operator()(std::string_view a, std::string_view b) const { return a < b; }
};
int parse_int(std::string_view s);
using thread_entry = void *(*)(void *);