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comparison foosdk/sdk/pfc/com_ptr_t.h @ 1:20d02a178406 default tip

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*: check in everything else yay
author Paper <paper@tflc.us>
date Mon, 05 Jan 2026 02:15:46 -0500
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0:e9bb126753e7 1:20d02a178406
1 #pragma once
2
3 #ifdef _WIN32
4 namespace pfc {
5
6 template<typename what> static void _COM_AddRef(what * ptr) {
7 if (ptr != NULL) ptr->AddRef();
8 }
9 template<typename what> static void _COM_Release(what * ptr) {
10 if (ptr != NULL) ptr->Release();
11 }
12
13 template<class T>
14 class com_ptr_t {
15 public:
16 typedef com_ptr_t<T> t_self;
17
18 com_ptr_t( nullptr_t ) throw() : m_ptr() {}
19
20 com_ptr_t() throw() : m_ptr() {}
21 template<typename source> inline com_ptr_t(source * p_ptr) throw() : m_ptr(p_ptr) {_COM_AddRef(m_ptr);}
22 com_ptr_t(const t_self & p_source) throw() : m_ptr(p_source.m_ptr) {_COM_AddRef(m_ptr);}
23 template<typename source> inline com_ptr_t(const com_ptr_t<source> & p_source) throw() : m_ptr(p_source.get_ptr()) {_COM_AddRef(m_ptr);}
24
25 inline ~com_ptr_t() throw() {_COM_Release(m_ptr);}
26
27 inline void copy(T * p_ptr) throw() {
28 _COM_Release(m_ptr);
29 m_ptr = p_ptr;
30 _COM_AddRef(m_ptr);
31 }
32
33 template<typename source> inline void copy(const com_ptr_t<source> & p_source) throw() {copy(p_source.get_ptr());}
34
35 inline void attach(T * p_ptr) throw() {
36 _COM_Release(m_ptr);
37 m_ptr = p_ptr;
38 }
39
40 inline const t_self & operator=(const t_self & p_source) throw() {copy(p_source); return *this;}
41 inline const t_self & operator=(T* p_source) throw() {copy(p_source); return *this;}
42 template<typename source> inline const t_self & operator=(const com_ptr_t<source> & p_source) throw() {copy(p_source); return *this;}
43 template<typename source> inline const t_self & operator=(source * p_ptr) throw() {copy(p_ptr); return *this;}
44
45 inline void release() throw() {
46 _COM_Release(m_ptr);
47 m_ptr = NULL;
48 }
49
50
51 inline T* operator->() const throw() {PFC_ASSERT(m_ptr);return m_ptr;}
52
53 inline T* get_ptr() const throw() {return m_ptr;}
54
55 inline T* duplicate_ptr() const throw() //should not be used ! temporary !
56 {
57 _COM_AddRef(m_ptr);
58 return m_ptr;
59 }
60
61 inline T* detach() throw() {
62 return replace_null_t(m_ptr);
63 }
64
65 inline bool is_valid() const throw() {return m_ptr != 0;}
66 inline bool is_empty() const throw() {return m_ptr == 0;}
67
68 inline bool operator==(const com_ptr_t<T> & p_item) const throw() {return m_ptr == p_item.m_ptr;}
69 inline bool operator!=(const com_ptr_t<T> & p_item) const throw() {return m_ptr != p_item.m_ptr;}
70 inline bool operator>(const com_ptr_t<T> & p_item) const throw() {return m_ptr > p_item.m_ptr;}
71 inline bool operator<(const com_ptr_t<T> & p_item) const throw() {return m_ptr < p_item.m_ptr;}
72
73 inline static void g_swap(com_ptr_t<T> & item1, com_ptr_t<T> & item2) throw() {
74 pfc::swap_t(item1.m_ptr,item2.m_ptr);
75 }
76
77 inline T** receive_ptr() throw() {release();return &m_ptr;}
78 inline void** receive_void_ptr() throw() {return (void**) receive_ptr();}
79
80 inline t_self & operator<<(t_self & p_source) throw() {attach(p_source.detach());return *this;}
81 inline t_self & operator>>(t_self & p_dest) throw() {p_dest.attach(detach());return *this;}
82 private:
83 T* m_ptr;
84 };
85
86 }
87 #endif