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111 lines
2.1 KiB
111 lines
2.1 KiB
//==============================================================;
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//
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// This source code is only intended as a supplement to existing Microsoft documentation.
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//
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//
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//
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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// PURPOSE.
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//
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// Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
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//
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//
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//
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//==============================================================;
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#if (_ATL_VER < 0x0300)
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/////////////////////////////////////////////////////////////////////////////
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// Collection helpers - CSimpleArray & CSimpleMap
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template <class T>
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class CSimpleArray
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{
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public:
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T* m_aT;
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int m_nSize;
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int m_nAllocSize;
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// Construction/destruction
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CSimpleArray() : m_aT(NULL), m_nSize(0), m_nAllocSize(0)
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{ }
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~CSimpleArray()
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{
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RemoveAll();
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}
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// Operations
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int GetSize() const
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{
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return m_nSize;
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}
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BOOL Add(T& t)
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{
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if(m_nSize == m_nAllocSize)
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{
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T* aT;
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int nNewAllocSize = (m_nAllocSize == 0) ? 1 : (m_nSize * 2);
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aT = (T*)realloc(m_aT, nNewAllocSize * sizeof(T));
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if(aT == NULL)
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return FALSE;
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m_nAllocSize = nNewAllocSize;
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m_aT = aT;
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}
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m_nSize++;
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SetAtIndex(m_nSize - 1, t);
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return TRUE;
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}
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BOOL Remove(T& t)
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{
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int nIndex = Find(t);
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if(nIndex == -1)
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return FALSE;
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return RemoveAt(nIndex);
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}
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BOOL RemoveAt(int nIndex)
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{
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if(nIndex != (m_nSize - 1))
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memmove((void*)&m_aT[nIndex], (void*)&m_aT[nIndex + 1], (m_nSize - (nIndex + 1)) * sizeof(T));
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m_nSize--;
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return TRUE;
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}
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void RemoveAll()
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{
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if(m_aT != NULL)
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{
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free(m_aT);
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m_aT = NULL;
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}
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m_nSize = 0;
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m_nAllocSize = 0;
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}
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T& operator[] (int nIndex) const
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{
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_ASSERT(nIndex >= 0 && nIndex < m_nSize);
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return m_aT[nIndex];
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}
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T* GetData() const
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{
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return m_aT;
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}
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// Implementation
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void SetAtIndex(int nIndex, T& t)
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{
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_ASSERT(nIndex >= 0 && nIndex < m_nSize);
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m_aT[nIndex] = t;
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}
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int Find(T& t) const
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{
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for(int i = 0; i < m_nSize; i++)
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{
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if(m_aT[i] == t)
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return i;
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}
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return -1; // not found
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}
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};
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#endif
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