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https://github.com/amyinspace/MagicSetEditor2.git
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26562e03e3
git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@837 0fc631ac-6414-0410-93d0-97cfa31319b6
251 lines
11 KiB
C++
251 lines
11 KiB
C++
//+----------------------------------------------------------------------------+
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//| Description: Magic Set Editor - Program to make Magic (tm) cards |
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//| Copyright: (C) 2001 - 2008 Twan van Laarhoven and "coppro" |
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//| License: GNU General Public License 2 or later (see file COPYING) |
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//+----------------------------------------------------------------------------+
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#ifndef HEADER_UTIL_SMART_PTR
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#define HEADER_UTIL_SMART_PTR
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/** @file util/smart_ptr.hpp
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*
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* @brief Utilities related to boost smart pointers
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*/
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// ----------------------------------------------------------------------------- : Includes
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#include <util/atomic.hpp>
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#ifdef HAVE_FAST_ATOMIC
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/// Using intrusive_ptr where possible? (as opposed to smart_ptr)
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#define USE_INTRUSIVE_PTR
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#endif
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#include <boost/shared_ptr.hpp>
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#ifdef USE_INTRUSIVE_PTR
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#include <boost/intrusive_ptr.hpp>
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#endif
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using namespace boost;
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// ----------------------------------------------------------------------------- : Declaring
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/// Declares the type TypeP as a shared_ptr<Type>
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#define DECLARE_SHARED_POINTER_TYPE(Type) \
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class Type; \
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typedef shared_ptr<Type> Type##P;
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// ----------------------------------------------------------------------------- : Creating
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/// Allocate a new shared-pointed object
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template <typename T>
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inline shared_ptr<T> new_shared() {
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return shared_ptr<T>(new T());
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}
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/// Allocate a new shared-pointed object, given one argument to pass to the ctor of T
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template <typename T, typename A0>
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inline shared_ptr<T> new_shared1(const A0& a0) {
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return shared_ptr<T>(new T(a0));
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}
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/// Allocate a new shared-pointed object, given two arguments to pass to the ctor of T
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template <typename T, typename A0, typename A1>
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inline shared_ptr<T> new_shared2(const A0& a0, const A1& a1) {
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return shared_ptr<T>(new T(a0, a1));
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}
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/// Allocate a new shared-pointed object, given three arguments to pass to the ctor of T
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template <typename T, typename A0, typename A1, typename A2>
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inline shared_ptr<T> new_shared3(const A0& a0, const A1& a1, const A2& a2) {
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return shared_ptr<T>(new T(a0, a1, a2));
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}
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/// Allocate a new shared-pointed object, given four arguments to pass to the ctor of T
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template <typename T, typename A0, typename A1, typename A2, typename A3>
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inline shared_ptr<T> new_shared4(const A0& a0, const A1& a1, const A2& a2, const A3& a3) {
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return shared_ptr<T>(new T(a0, a1, a2, a3));
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}
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/// Allocate a new shared-pointed object, given five arguments to pass to the ctor of T
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template <typename T, typename A0, typename A1, typename A2, typename A3, typename A4>
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inline shared_ptr<T> new_shared5(const A0& a0, const A1& a1, const A2& a2, const A3& a3, const A4& a4) {
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return shared_ptr<T>(new T(a0, a1, a2, a3, a4));
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}
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/// Allocate a new shared-pointed object, given six arguments to pass to the ctor of T
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template <typename T, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
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inline shared_ptr<T> new_shared6(const A0& a0, const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5) {
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return shared_ptr<T>(new T(a0, a1, a2, a3, a4, a5));
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}
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/// Allocate a new shared-pointed object, given seven arguments to pass to the ctor of T
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template <typename T, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
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inline shared_ptr<T> new_shared7(const A0& a0, const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6) {
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return shared_ptr<T>(new T(a0, a1, a2, a3, a4, a5, a6));
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}
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/// Allocate a new shared-pointed object, given eight arguments to pass to the ctor of T
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template <typename T, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
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inline shared_ptr<T> new_shared8(const A0& a0, const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6, const A7& a7) {
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return shared_ptr<T>(new T(a0, a1, a2, a3, a4, a5, a6, a7));
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}
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/// Allocate a new shared-pointed object, given nine arguments to pass to the ctor of T
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template <typename T, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
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inline shared_ptr<T> new_shared9(const A0& a0, const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6, const A7& a7, const A8& a8) {
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return shared_ptr<T>(new T(a0, a1, a2, a3, a4, a5, a6, a7, a8));
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}
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// ----------------------------------------------------------------------------- : Intrusive pointers
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#ifdef USE_INTRUSIVE_PTR
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/// Declares the type TypeP as a intrusive_ptr<Type>
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#define DECLARE_POINTER_TYPE(Type) \
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class Type; \
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typedef intrusive_ptr<Type> Type##P;
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/// Allocate a new intrusive-pointed object
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template <typename T>
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inline intrusive_ptr<T> new_intrusive() {
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return intrusive_ptr<T>(new T());
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}
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/// Allocate a new intrusive-pointed object, given one argument to pass to the ctor of T
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template <typename T, typename A0>
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inline intrusive_ptr<T> new_intrusive1(const A0& a0) {
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return intrusive_ptr<T>(new T(a0));
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}
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/// Allocate a new intrusive-pointed object, given two arguments to pass to the ctor of T
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template <typename T, typename A0, typename A1>
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inline intrusive_ptr<T> new_intrusive2(const A0& a0, const A1& a1) {
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return intrusive_ptr<T>(new T(a0, a1));
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}
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/// Allocate a new intrusive-pointed object, given three arguments to pass to the ctor of T
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template <typename T, typename A0, typename A1, typename A2>
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inline intrusive_ptr<T> new_intrusive3(const A0& a0, const A1& a1, const A2& a2) {
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return intrusive_ptr<T>(new T(a0, a1, a2));
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}
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/// Allocate a new intrusive-pointed object, given four arguments to pass to the ctor of T
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template <typename T, typename A0, typename A1, typename A2, typename A3>
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inline intrusive_ptr<T> new_intrusive4(const A0& a0, const A1& a1, const A2& a2, const A3& a3) {
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return intrusive_ptr<T>(new T(a0, a1, a2, a3));
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}
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/// Allocate a new intrusive-pointed object, given five arguments to pass to the ctor of T
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template <typename T, typename A0, typename A1, typename A2, typename A3, typename A4>
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inline intrusive_ptr<T> new_intrusive5(const A0& a0, const A1& a1, const A2& a2, const A3& a3, const A4& a4) {
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return intrusive_ptr<T>(new T(a0, a1, a2, a3, a4));
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}
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/// Allocate a new intrusive-pointed object, given six arguments to pass to the ctor of T
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template <typename T, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
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inline intrusive_ptr<T> new_intrusive6(const A0& a0, const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5) {
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return intrusive_ptr<T>(new T(a0, a1, a2, a3, a4, a5));
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}
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/// Allocate a new intrusive-pointed object, given seven arguments to pass to the ctor of T
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template <typename T, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
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inline intrusive_ptr<T> new_intrusive7(const A0& a0, const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6) {
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return intrusive_ptr<T>(new T(a0, a1, a2, a3, a4, a5, a6));
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}
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/// Allocate a new intrusive-pointed object, given eight arguments to pass to the ctor of T
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template <typename T, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
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inline intrusive_ptr<T> new_intrusive8(const A0& a0, const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6, const A7& a7) {
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return intrusive_ptr<T>(new T(a0, a1, a2, a3, a4, a5, a6, a7));
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}
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/// Allocate a new intrusive-pointed object, given nine arguments to pass to the ctor of T
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template <typename T, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
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inline intrusive_ptr<T> new_intrusive9(const A0& a0, const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6, const A7& a7, const A8& a8) {
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return intrusive_ptr<T>(new T(a0, a1, a2, a3, a4, a5, a6, a7, a8));
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}
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// ----------------------------------------------------------------------------- : Intrusive pointer base
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template <typename T> class IntrusivePtrBase;
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template <typename T> void intrusive_ptr_add_ref(IntrusivePtrBase<T>*);
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template <typename T> void intrusive_ptr_release(IntrusivePtrBase<T>*);
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/// Base class for objects wishing to use intrusive_ptrs.
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/** There is no implicit virtual destructor, objects are destructed as type T
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* Usage:
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* @code
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* DECLARE_POINTER_TYPE(MyClass);
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* class MyClass : public IntrusivePtrBase<MyClass> { ... }
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* @endcode
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*/
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template <typename T> class IntrusivePtrBase {
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public:
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inline IntrusivePtrBase() : ref_count(0) {}
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// don't copy construct the reference count!
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inline IntrusivePtrBase(const IntrusivePtrBase&) : ref_count(0) {}
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// don't assign the reference count!
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inline void operator = (const IntrusivePtrBase&) { }
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protected:
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/// Delete this object, can be overloaded
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inline void destroy() {
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delete static_cast<T*>(this);
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}
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private:
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AtomicInt ref_count;
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friend void intrusive_ptr_add_ref <> (IntrusivePtrBase*);
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friend void intrusive_ptr_release <> (IntrusivePtrBase*);
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};
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template <typename T> void intrusive_ptr_add_ref(IntrusivePtrBase<T>* p) {
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++(p->ref_count);
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}
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template <typename T> void intrusive_ptr_release(IntrusivePtrBase<T>* p) {
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if (--p->ref_count == 0) {
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static_cast<T*>(p)->destroy();
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}
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}
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// ----------------------------------------------------------------------------- : Intrusive pointer base : virtual
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/// IntrusivePtrBase with a virtual destructor
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class IntrusivePtrVirtualBase : public IntrusivePtrBase<IntrusivePtrVirtualBase> {
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public:
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virtual ~IntrusivePtrVirtualBase() {}
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};
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// ----------------------------------------------------------------------------- : Intrusive pointer base : with delete
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/// Base class for objects wishing to use intrusive_ptrs, using a manual delete function
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class IntrusivePtrBaseWithDelete : public IntrusivePtrBase<IntrusivePtrBaseWithDelete> {
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public:
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virtual ~IntrusivePtrBaseWithDelete() {}
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protected:
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/// Delete this object
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virtual void destroy() {
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delete this;
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}
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template <typename T> friend void intrusive_ptr_release(IntrusivePtrBase<T>*);
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};
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#else
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#define DECLARE_POINTER_TYPE DECLARE_SHARED_POINTER_TYPE
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#define intrusive_ptr shared_ptr
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#define new_intrusive new_shared
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#define new_intrusive1 new_shared1
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#define new_intrusive2 new_shared2
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#define new_intrusive3 new_shared3
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#define new_intrusive4 new_shared4
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#define new_intrusive5 new_shared5
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#define new_intrusive6 new_shared6
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#define new_intrusive7 new_shared7
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#define new_intrusive8 new_shared8
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#define new_intrusive9 new_shared9
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template <typename T> class IntrusivePtrBase {};
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/// IntrusivePtrBase with a virtual destructor
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class IntrusivePtrVirtualBase : public IntrusivePtrBase<IntrusivePtrVirtualBase> {
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public:
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virtual ~IntrusivePtrVirtualBase() {}
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};
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class IntrusivePtrBaseWithDelete : public IntrusivePtrBase<IntrusivePtrBaseWithDelete> {
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public:
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virtual ~IntrusivePtrBaseWithDelete() {}
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protected:
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/// Delete this object
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virtual void destroy() {
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delete this;
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}
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};
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#endif
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/// Pointer to 'anything'
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typedef intrusive_ptr<IntrusivePtrVirtualBase> VoidP;
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// ----------------------------------------------------------------------------- : EOF
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#endif
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