38 lines
742 B
C++
38 lines
742 B
C++
#pragma once
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#include <memory>
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namespace pfc {
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// autoref<> : turn arbitrary ptr that needs to be delete'd into a shared_ptr<> alike
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template<typename obj_t> class autoref {
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public:
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autoref() {}
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autoref(std::nullptr_t) {}
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autoref(obj_t * source) {
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attach(source);
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}
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void attach(obj_t * source) {
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PFC_ASSERT( source != nullptr );
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m_obj = std::make_shared<holder_t>(source);
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}
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void reset() {
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m_obj.reset();
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}
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obj_t * operator->() const {
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return m_obj->get_ptr();
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}
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obj_t * get() const {
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if (! m_obj ) return nullptr;
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return m_obj->get_ptr();
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}
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operator bool() const {
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return !!m_obj;
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}
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private:
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typedef pfc::ptrholder_t< obj_t > holder_t;
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std::shared_ptr< holder_t > m_obj;
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};
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} |