56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
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#ifndef __PPT_ALLOCATOR_
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#define __PPT_ALLOCATOR_
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#include <memory>
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/**************************************************************************
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* Template name: heap_allocator
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*
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* Purpose: Allocator class to handle STL allocations
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*
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*/
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template<class _Ty>
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class PtHeap_allocator : public std::allocator<_Ty>
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{
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public:
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PtHeap_allocator()
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{
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__hHeap = GetProcessHeap();
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};
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pointer allocate(size_type _N, const void *)
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{return (pointer) _Charalloc(_N * sizeof(_Ty)); }
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char* _Charalloc(size_type _N)
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{return (char*) HeapAlloc(__hHeap, 0, _N); }
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void deallocate(void* _P, size_type)
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{HeapFree(__hHeap, 0, _P); }
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private:
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HANDLE __hHeap;
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};
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// Defines strings that use the above allocator to that the DMI heap stuff is used.
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#include <string>
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#include <queue>
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typedef std::basic_string<CHAR, std::char_traits<CHAR>, PtHeap_allocator<CHAR> > PtStlString;
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typedef std::basic_string<WCHAR, std::char_traits<WCHAR>, PtHeap_allocator<WCHAR> > PtStlWstring;
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#if 0// uses new allocator
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template<class Key, class T, class Pred = less<Key> >
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class PtStlMap : public std::map<Key, T, Pred, PtHeap_allocator<T> >{};
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template<class T>
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class PtStlQueue : public std::queue<T, deque<T, PtHeap_allocator<T> > > {};
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#else
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template<class Key, class T, class Pred = less<Key> >
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class PtStlMap : public std::map<Key, T, Pred, std::allocator<T> >{};
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template<class T>
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class PtStlQueue : public std::queue<T, deque<T, std::allocator<T> > > {};
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#endif
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#endif // __PPT_ALLOCATOR_
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