70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
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#include "refl/refl.h"
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namespace refl {
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template<typename T>
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void malloc_list(T*& ptr, int count) {
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ptr = (T*)malloc(count * sizeof(T));
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for (size_t i = 0; i < count; i++)
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{
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std::construct_at(ptr + i);
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}
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}
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template<typename T>
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class parray {
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protected:
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const UClass* m_cls;
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T* m_ptr;
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int m_count;
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public:
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template<typename C>
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requires std::is_base_of_v<T, C>
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parray(std::vector<C>& vec) : m_cls(&TypeInfo<C>::StaticClass){
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m_count = vec.size();
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if (m_count > 0) {
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malloc_list(m_ptr, m_count);
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std::move(vec.begin(), vec.end(), m_ptr);
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}
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}
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parray(parray<T>& parr) : m_cls(parr.m_cls)
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, m_ptr(parr.data()), m_count(parr.size()) {
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parr.reset();
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}
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~parray() {
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if (!m_count || !m_cls)
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return;
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auto dest = m_cls->vtable.DestObject;
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if (dest) {
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for (int i = 0; i < m_count; i++) {
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dest((char*)m_ptr + (i * m_cls->size));
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}
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}
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m_count = 0;
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m_ptr = nullptr;
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}
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T* at(int i)noexcept {
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if(i < m_count)
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return (T*)((char*)m_ptr + (i * m_cls->size));
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return nullptr;
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}
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T* data() noexcept{
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return m_ptr;
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}
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void reset() noexcept {
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m_ptr = nullptr;
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m_count = 0;
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}
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int size() const noexcept {
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return m_count;
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}
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int capicty() const noexcept {
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return m_count * m_cls->size;
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}
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const UClass* uclass()const noexcept {
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return m_cls;
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}
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};
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template<typename T, typename C>
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parray<T> ToParray(std::vector<C>& vec){
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return parray<T>{vec};
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}
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}
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