| 50 | | #include <boost/shared_ptr.hpp> |
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| 51 | | |
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| 52 | | #ifdef OSG_DOC_FILES_IN_MODULE |
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| 53 | | /*! \file OSGReferenceCountPointer.h |
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| 54 | | \ingroup GrpSystemFieldContainer |
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| 55 | | */ |
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| 56 | | #endif |
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| 57 | | |
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| 58 | | OSG_BEGIN_NAMESPACE |
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| 59 | | |
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| 60 | | /*! \ingroup GrpSystemFieldContainer |
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| 61 | | \class InternalRefCountPolicy<BaseObjectT> |
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| 62 | | */ |
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| 63 | | |
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| 64 | | template <class BaseObjectT> |
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| 65 | | struct OSG_SYSTEM_DLLMAPPING InternalRefCountPolicy |
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| 66 | | { |
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| 67 | | OSG_GEN_NAMED_PTR(BaseObjectT, BaseObject); |
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| 68 | | |
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| 69 | | static void addRef(BaseObjectPtrConstArg baseObjectPtr); |
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| 70 | | static void subRef(BaseObjectPtrConstArg baseObjectPtr); |
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| 71 | | static BaseObjectPtr deref (BaseObjectPtrConstArg baseObjectPtr); |
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| 72 | | }; |
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| 73 | | |
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| 74 | | /*! \ingroup GrpSystemFieldContainer |
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| 75 | | \class RefCountPolicy<BaseObjectT> |
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| 76 | | */ |
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| 77 | | |
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| 78 | | template <class BaseObjectT> |
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| 79 | | struct OSG_SYSTEM_DLLMAPPING RefCountPolicy |
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| 80 | | { |
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| 81 | | OSG_GEN_NAMED_PTR(BaseObjectT, BaseObject); |
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| 82 | | |
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| 83 | | static void addRef(BaseObjectPtrConstArg baseObjectPtr); |
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| 84 | | static void subRef(BaseObjectPtrConstArg baseObjectPtr); |
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| 85 | | static BaseObjectPtr deref (BaseObjectPtrConstArg baseObjectPtr); |
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| 86 | | }; |
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| 87 | | |
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| 88 | | /*! \ingroup GrpSystemFieldContainer |
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| 89 | | \class MTRefCountPolicy<BaseObjectT> |
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| 90 | | */ |
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| 91 | | |
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| 92 | | template <class BaseObjectT> |
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| 93 | | struct OSG_SYSTEM_DLLMAPPING MTRefCountPolicy |
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| 94 | | { |
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| 95 | | OSG_GEN_NAMED_PTR(BaseObjectT, BaseObject); |
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| 96 | | |
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| 97 | | static void addRef(BaseObjectPtrConstArg baseObjectPtr); |
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| 98 | | static void subRef(BaseObjectPtrConstArg baseObjectPtr); |
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| 99 | | static BaseObjectPtr deref (BaseObjectPtrConstArg baseObjectPtr); |
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| 100 | | }; |
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| 101 | | |
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| 102 | | template <> |
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| 103 | | struct OSG_SYSTEM_DLLMAPPING MTRefCountPolicy<FieldBundle> |
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| 104 | | { |
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| 105 | | OSG_GEN_NAMED_PTR(FieldBundle, BaseObject); |
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| 106 | | |
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| 107 | | static void addRef(BaseObjectPtrConstArg baseObjectPtr); |
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| 108 | | static void subRef(BaseObjectPtrConstArg baseObjectPtr); |
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| 109 | | static BaseObjectPtr deref (BaseObjectPtrConstArg baseObjectPtr); |
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| 110 | | }; |
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| 111 | | |
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| 112 | | |
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| 113 | | /*! \ingroup GrpSystemFieldContainer |
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| 114 | | \class WeakRefCountPolicy<BaseObjectT> |
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| 115 | | */ |
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| 116 | | |
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| 117 | | template <class BaseObjectT> |
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| 118 | | struct OSG_SYSTEM_DLLMAPPING WeakRefCountPolicy |
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| 119 | | { |
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| 120 | | OSG_GEN_NAMED_PTR(BaseObjectT, BaseObject); |
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| 121 | | |
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| 122 | | static void addRef(BaseObjectPtrConstArg baseObjectPtr); |
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| 123 | | static void subRef(BaseObjectPtrConstArg baseObjectPtr); |
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| 124 | | static BaseObjectPtr deref (BaseObjectPtrConstArg baseObjectPtr); |
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| 125 | | }; |
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| 126 | | |
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| 127 | | namespace detail |
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| 128 | | { |
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| 129 | | // Internal tag type to designate that a static_cast is requested |
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| 130 | | struct StaticCastTag |
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| 131 | | { |
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| 132 | | }; |
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| 133 | | |
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| 134 | | // Internal tag type to designate that a const_cast is requested |
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| 135 | | struct ConstCastTag |
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| 136 | | { |
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| 137 | | }; |
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| 138 | | |
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| 139 | | // Inernal tag type to designate that a dynamic_cast is requested |
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| 140 | | struct DynamicCastTag |
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| 141 | | { |
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| 142 | | }; |
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| 143 | | } // namespace detail |
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| 144 | | |
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| 145 | | |
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| 146 | | /*! \ingroup GrpSystemFieldContainer |
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| 147 | | */ |
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| 148 | | |
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| 149 | | template <class ObjectT, |
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| 150 | | class RefCountPolicyT, |
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| 151 | | class BaseObjectT = FieldContainer> |
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| 152 | | class OSG_SYSTEM_DLLMAPPING ReferenceCountPointer |
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| 153 | | { |
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| 154 | | /*========================== PUBLIC =================================*/ |
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| 155 | | public: |
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| 156 | | /*---------------------------------------------------------------------*/ |
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| 157 | | /*! \name Public Types */ |
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| 158 | | /*! \{ */ |
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| 159 | | |
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| 160 | | typedef ObjectT Object; |
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| 161 | | typedef RefCountPolicyT RefCountPolicy; |
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| 162 | | typedef BaseObjectT BaseObject; |
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| 163 | | typedef ReferenceCountPointer<Object, |
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| 164 | | RefCountPolicy, |
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| 165 | | BaseObject > Self; |
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| 166 | | |
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| 167 | | OSG_GEN_NAMED_PTR(Object, Object ); |
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| 168 | | OSG_GEN_NAMED_PTR(BaseObject, BaseObject); |
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| 169 | | |
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| 170 | | template <class OtherObjectT> |
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| 171 | | struct rebind |
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| 172 | | { |
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| 173 | | typedef ReferenceCountPointer<OtherObjectT, |
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| 174 | | RefCountPolicy, |
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| 175 | | BaseObject > Type; |
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| 176 | | }; |
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| 177 | | |
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| 178 | | /*! \} */ |
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| 179 | | /*---------------------------------------------------------------------*/ |
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| 180 | | /*! \name Constructors */ |
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| 181 | | /*! \{ */ |
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| 182 | | |
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| 183 | | ReferenceCountPointer(void ); |
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| 184 | | ReferenceCountPointer(Self const &other ); |
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| 185 | | |
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| 186 | | explicit |
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| 187 | | ReferenceCountPointer(ObjectPtrConstArg objectPtr ); |
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| 188 | | |
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| 189 | | template <class OtherObjectT, class OtherRefCountPolicyT> |
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| 190 | | explicit |
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| 191 | | ReferenceCountPointer( |
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| 192 | | ReferenceCountPointer<OtherObjectT, |
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| 193 | | OtherRefCountPolicyT, |
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| 194 | | BaseObject > const &refPtr ); |
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| 195 | | |
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| 196 | | template <class OtherObjectT, class OtherRefCountPolicyT> |
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| 197 | | ReferenceCountPointer( |
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| 198 | | ReferenceCountPointer<OtherObjectT, |
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| 199 | | OtherRefCountPolicyT, |
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| 200 | | BaseObject > const &refPtr, |
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| 201 | | detail::StaticCastTag ); |
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| 202 | | |
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| 203 | | template <class OtherObjectT, class OtherRefCountPolicyT> |
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| 204 | | ReferenceCountPointer( |
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| 205 | | ReferenceCountPointer<OtherObjectT, |
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| 206 | | OtherRefCountPolicyT, |
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| 207 | | BaseObject > const &refPtr, |
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| 208 | | detail::ConstCastTag ); |
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| 209 | | |
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| 210 | | template <class OtherObjectT, class OtherRefCountPolicyT> |
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| 211 | | ReferenceCountPointer( |
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| 212 | | ReferenceCountPointer<OtherObjectT, |
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| 213 | | OtherRefCountPolicyT, |
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| 214 | | BaseObject > const &refPtr, |
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| 215 | | detail::DynamicCastTag ); |
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| 216 | | |
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| 217 | | /*! \} */ |
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| 218 | | /*---------------------------------------------------------------------*/ |
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| 219 | | /*! \name Desctructor */ |
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| 220 | | /*! \{ */ |
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| 221 | | |
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| 222 | | ~ReferenceCountPointer(void); |
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| 223 | | |
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| 224 | | /*! \} */ |
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| 225 | | /*---------------------------------------------------------------------*/ |
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| 226 | | /*! \name Assignment */ |
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| 227 | | /*! \{ */ |
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| 228 | | |
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| 229 | | Self &operator=(Self const &other ); |
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| 230 | | Self &operator=(ObjectPtrConstArg objectPtr ); |
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| 231 | | |
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| 232 | | template <class OtherObjectT, class OtherRefCountPolicy> |
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| 233 | | Self &operator=( |
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| 234 | | ReferenceCountPointer<OtherObjectT, |
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| 235 | | OtherRefCountPolicy, |
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| 236 | | BaseObject > const &refPtr ); |
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| 237 | | |
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| 238 | | /*! \} */ |
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| 239 | | /*---------------------------------------------------------------------*/ |
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| 240 | | /*! \name Conversion */ |
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| 241 | | /*! \{ */ |
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| 242 | | |
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| 243 | | operator ObjectPtr (void) const; |
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| 244 | | |
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| 245 | | /*! \} */ |
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| 246 | | /*---------------------------------------------------------------------*/ |
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| 247 | | /*! \name Access */ |
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| 248 | | /*! \{ */ |
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| 249 | | |
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| 250 | | ObjectPtr operator->(void ) const; |
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| 251 | | Object &operator* (void ) const; |
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| 252 | | |
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| 253 | | ObjectPtr get (void ) const; |
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| 254 | | void set (ObjectPtrConstArg objectPtr ); |
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| 255 | | |
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| 256 | | void swap (Self &other ); |
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| 257 | | |
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| 258 | | /*! \} */ |
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| 259 | | /*========================= PROTECTED ===============================*/ |
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| 260 | | protected: |
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| 261 | | |
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| 262 | | /*========================== PRIVATE ================================*/ |
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| 263 | | private: |
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| 264 | | /*---------------------------------------------------------------------*/ |
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| 265 | | /*! \name Internal Helpers */ |
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| 266 | | /*! \{ */ |
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| 267 | | |
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| 268 | | static BaseObjectPtr castPtrUp (ObjectPtrConstArg objectPtr ); |
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| 269 | | static ObjectPtr castPtrDown(BaseObjectPtrConstArg baseObjectPtr); |
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| 270 | | |
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| 271 | | void internalSet(BaseObjectPtrConstArg baseObjectPtr); |
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| 272 | | |
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| 273 | | /*! \} */ |
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| 274 | | /*---------------------------------------------------------------------*/ |
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| 275 | | /*! \name Member */ |
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| 276 | | /*! \{ */ |
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| 277 | | |
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| 278 | | BaseObjectPtr _baseObjectPtr; |
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| 279 | | |
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| 280 | | /*! \} */ |
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| 281 | | /*---------------------------------------------------------------------*/ |
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| 282 | | }; |
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| 283 | | |
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| 284 | | template <class LHSObjectT, class LHSRefCountPolicyT, |
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| 285 | | class RHSObjectT, class RHSRefCountPolicyT, |
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| 286 | | class BaseObjectT > |
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| 287 | | bool |
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| 288 | | operator==(ReferenceCountPointer<LHSObjectT, |
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| 289 | | LHSRefCountPolicyT, |
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| 290 | | BaseObjectT > const &lhs, |
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| 291 | | ReferenceCountPointer<RHSObjectT, |
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| 292 | | RHSRefCountPolicyT, |
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| 293 | | BaseObjectT > const &rhs); |
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| 294 | | |
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| 295 | | |
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| 296 | | template <class LHSObjectT, class LHSRefCountPolicyT, |
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| 297 | | class RHSObjectT, class RHSRefCountPolicyT, |
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| 298 | | class BaseObjectT > |
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| 299 | | bool |
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| 300 | | operator!=(ReferenceCountPointer<LHSObjectT, |
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| 301 | | LHSRefCountPolicyT, |
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| 302 | | BaseObjectT > const &lhs, |
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| 303 | | ReferenceCountPointer<RHSObjectT, |
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| 304 | | RHSRefCountPolicyT, |
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| 305 | | BaseObjectT > const &rhs); |
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| 306 | | |
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| 307 | | |
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| 308 | | template <class LHSObjectT, class LHSRefCountPolicyT, |
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| 309 | | class RHSObjectT, class RHSRefCountPolicyT, |
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| 310 | | class BaseObjectT > |
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| 311 | | bool |
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| 312 | | operator<(ReferenceCountPointer<LHSObjectT, |
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| 313 | | LHSRefCountPolicyT, |
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| 314 | | BaseObjectT > const &lhs, |
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| 315 | | ReferenceCountPointer<RHSObjectT, |
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| 316 | | RHSRefCountPolicyT, |
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| 317 | | BaseObjectT > const &rhs); |
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| 318 | | |
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| 319 | | template <class ObjectT, class RefCountPolicyT, class BaseObjectT> |
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| 320 | | struct PtrStripper<ReferenceCountPointer<ObjectT, |
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| 321 | | RefCountPolicyT, |
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| 322 | | BaseObjectT > > |
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| 323 | | { |
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| 324 | | typedef ReferenceCountPointer<ObjectT, |
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| 325 | | RefCountPolicyT, |
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| 326 | | BaseObjectT > Ptr; |
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| 327 | | typedef typename Ptr::Object Object; |
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| 328 | | }; |
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| 329 | | |
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| 330 | | OSG_END_NAMESPACE |
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| 331 | | |
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| 332 | | namespace boost |
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| 333 | | { |
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| 334 | | |
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| 335 | | template <class TargetObjectT, class SourceObjectT, |
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| 336 | | class RefCountPolicyT, class BaseObjectT > |
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| 337 | | OSG::ReferenceCountPointer<TargetObjectT, RefCountPolicyT, BaseObjectT> |
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| 338 | | static_pointer_cast(OSG::ReferenceCountPointer<SourceObjectT, |
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| 339 | | RefCountPolicyT, |
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| 340 | | BaseObjectT > const &source); |
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| 341 | | |
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| 342 | | template <class TargetObjectT, class SourceObjectT, |
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| 343 | | class RefCountPolicyT, class BaseObjectT > |
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| 344 | | OSG::ReferenceCountPointer<TargetObjectT, RefCountPolicyT, BaseObjectT> |
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| 345 | | const_pointer_cast(OSG::ReferenceCountPointer<SourceObjectT, |
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| 346 | | RefCountPolicyT, |
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| 347 | | BaseObjectT > const &source); |
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| 348 | | |
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| 349 | | template <class TargetObjectT, class SourceObjectT, |
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| 350 | | class RefCountPolicyT, class BaseObjectT > |
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| 351 | | OSG::ReferenceCountPointer<TargetObjectT, RefCountPolicyT, BaseObjectT> |
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| 352 | | dynamic_pointer_cast(OSG::ReferenceCountPointer<SourceObjectT, |
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| 353 | | RefCountPolicyT, |
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| 354 | | BaseObjectT > const &source); |
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| 355 | | |
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| 356 | | } // namespace boost |
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| 357 | | |
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