50 lines
973 B
C
50 lines
973 B
C
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#pragma once
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#include <concepts>
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namespace zstd {
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template<typename T>
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class parray {
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protected:
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uint32_t m_size;
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uint32_t m_head{0};
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uint32_t m_tsize;
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char* m_buf;
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public:
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~parray() {
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if (m_buf) {
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free(m_buf);
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}
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}
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parray(uint32_t size = 1, uint32_t tsize = sizeof(T)) : m_buf((char*)malloc(tsize * size)), m_size(size) , m_tsize(tsize){}
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parray(parray& other) noexcept{
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m_size = other.m_size;
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m_head = other.m_head;
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m_tsize = other.m_tsize;
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m_buf = other.m_buf;
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other.m_buf = nullptr;
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}
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uint32_t size() {
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return m_head;
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}
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uint32_t data_size() {
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return m_tsize * m_head;
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}
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void* data() {
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return m_buf;
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}
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template<typename S>
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requires std::is_base_of<T, S>::value
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void push_back(S& s) {
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if (m_head >= m_size) {
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return;
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}
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*(S*)(m_buf + m_head * m_tsize) = s;
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m_head++;
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};
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T* at(int i) {
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if (i >= m_head) {
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return nullptr;
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}
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return (T*)(m_buf + i * m_tsize);
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};
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};
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}
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