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1 #pragma once
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2 #include <memory>
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3 #include "ptrholder.h"
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4
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5 namespace pfc {
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6
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7 // autoref<> : turn arbitrary ptr that needs to be delete'd into a shared_ptr<> alike
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8 template<typename obj_t> class autoref {
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9 public:
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10 autoref() {}
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11 autoref(std::nullptr_t) {}
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12 autoref(obj_t * source) {
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13 attach(source);
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14 }
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15 void attach(obj_t * source) {
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16 PFC_ASSERT( source != nullptr );
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17 m_obj = std::make_shared<holder_t>(source);
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18 }
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19 void reset() {
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20 m_obj.reset();
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21 }
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22
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23 obj_t * operator->() const {
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24 return m_obj->get_ptr();
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25 }
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26
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27 obj_t * get() const {
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28 if (! m_obj ) return nullptr;
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29 return m_obj->get_ptr();
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30 }
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31
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32 operator bool() const {
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33 return !!m_obj;
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34 }
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35 private:
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36 typedef pfc::ptrholder_t< obj_t > holder_t;
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37 std::shared_ptr< holder_t > m_obj;
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38 };
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39 }
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