123 lines
1.9 KiB
C++
123 lines
1.9 KiB
C++
#ifndef _RAR_ARRAY_
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#define _RAR_ARRAY_
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extern ErrorHandler ErrHandler;
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template <class T> class Array
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{
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private:
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T *Buffer;
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size_t BufSize;
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size_t AllocSize;
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public:
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Array();
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Array(size_t Size);
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~Array();
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inline void CleanData();
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inline T& operator [](size_t Item);
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inline size_t Size();
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void Add(size_t Items);
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void Alloc(size_t Items);
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void Reset();
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void operator = (Array<T> &Src);
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void Push(T Item);
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T* Addr() {return(Buffer);}
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};
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template <class T> void Array<T>::CleanData()
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{
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Buffer=NULL;
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BufSize=0;
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AllocSize=0;
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}
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template <class T> Array<T>::Array()
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{
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CleanData();
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}
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template <class T> Array<T>::Array(size_t Size)
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{
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Buffer=(T *)rarmalloc(sizeof(T)*Size);
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if (Buffer==NULL && Size!=0)
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ErrHandler.MemoryError();
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AllocSize=BufSize=Size;
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}
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template <class T> Array<T>::~Array()
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{
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if (Buffer!=NULL)
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rarfree(Buffer);
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}
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template <class T> inline T& Array<T>::operator [](size_t Item)
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{
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return(Buffer[Item]);
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}
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template <class T> inline size_t Array<T>::Size()
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{
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return(BufSize);
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}
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template <class T> void Array<T>::Add(size_t Items)
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{
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BufSize+=Items;
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if (BufSize>AllocSize)
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{
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size_t Suggested=AllocSize+AllocSize/4+32;
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size_t NewSize=Max(BufSize,Suggested);
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Buffer=(T *)rarrealloc(Buffer,NewSize*sizeof(T));
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if (Buffer==NULL)
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ErrHandler.MemoryError();
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AllocSize=NewSize;
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}
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}
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template <class T> void Array<T>::Alloc(size_t Items)
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{
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if (Items>AllocSize)
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Add(Items-BufSize);
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else
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BufSize=Items;
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}
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template <class T> void Array<T>::Reset()
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{
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if (Buffer!=NULL)
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{
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rarfree(Buffer);
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Buffer=NULL;
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}
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BufSize=0;
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AllocSize=0;
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}
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template <class T> void Array<T>::operator =(Array<T> &Src)
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{
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Reset();
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Alloc(Src.BufSize);
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if (Src.BufSize!=0)
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memcpy((void *)Buffer,(void *)Src.Buffer,Src.BufSize*sizeof(T));
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}
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template <class T> void Array<T>::Push(T Item)
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{
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Add(1);
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(*this)[Size()-1]=Item;
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}
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#endif
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