Justin Marshall
85 lines
1.8 KiB
C++
85 lines
1.8 KiB
C++
#pragma once
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#include <cstdint>
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#include <cstdlib>
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template<typename type>
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class idAutoPtr {
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public:
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explicit idAutoPtr(type* pointer = nullptr)
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: Pointee(pointer) {
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}
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~idAutoPtr() {
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delete Pointee;
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}
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idAutoPtr(idAutoPtr&& other) noexcept
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: Pointee(other.Release()) {
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}
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idAutoPtr& operator=(idAutoPtr&& other) noexcept {
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if (this != &other) {
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Reset(other.Release());
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}
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return *this;
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}
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idAutoPtr(const idAutoPtr&) = delete;
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idAutoPtr& operator=(const idAutoPtr&) = delete;
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type* Get() const { return Pointee; }
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type* operator->() const { return Pointee; }
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type& operator*() const { return *Pointee; }
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explicit operator bool() const { return Pointee != nullptr; }
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type* Release() {
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type* const result = Pointee;
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Pointee = nullptr;
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return result;
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}
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void Reset(type* pointer = nullptr) {
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if (Pointee != pointer) {
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delete Pointee;
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Pointee = pointer;
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}
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}
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private:
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type* Pointee;
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};
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template<typename type>
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class idAutoPtr_Array {
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public:
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explicit idAutoPtr_Array(type* pointer = nullptr)
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: Pointee(pointer) {
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}
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virtual ~idAutoPtr_Array() {
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std::free(Pointee);
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}
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idAutoPtr_Array(const idAutoPtr_Array&) = delete;
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idAutoPtr_Array& operator=(const idAutoPtr_Array&) = delete;
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type* Get() const { return Pointee; }
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type& operator[](const int index) const { return Pointee[index]; }
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type* Release() {
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type* const result = Pointee;
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Pointee = nullptr;
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return result;
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}
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private:
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type* Pointee;
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};
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#if INTPTR_MAX == INT32_MAX
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static_assert(sizeof(idAutoPtr<int>) == 4, "Recovered idAutoPtr ABI changed");
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static_assert(sizeof(idAutoPtr_Array<int>) == 8,
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"Recovered idAutoPtr_Array ABI changed");
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#endif
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