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73 lines
2.4 KiB
73 lines
2.4 KiB
#ifndef __ARRAY_FV_H__
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#define __ARRAY_FV_H__
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////////////////////////////////////////////////////////////////////////////
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// class CArrayFValue - an array containing fixed size elements,
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//
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////////////////////////////////////////////////////////////////////////////
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class FAR CArrayFValue
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{
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public:
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// Construction
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CArrayFValue(UINT cbValue);
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~CArrayFValue();
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// Attributes
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int GetSize() const
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{ return m_nSize; }
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int GetUpperBound() const
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{ return m_nSize-1; }
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BOOL SetSize(int nNewSize, int nGrowBy = -1);
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int GetSizeValue() const
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{ return m_cbValue; }
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// Operations
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// Clean up
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void FreeExtra();
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void RemoveAll()
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{ SetSize(0); }
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// return pointer to element; index must be in range
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#ifdef _DEBUG
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// with debug checks
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LPVOID GetAt(int nIndex) const
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{ return _GetAt(nIndex); }
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#else
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// no debug checks
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LPVOID GetAt(int nIndex) const
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{ return &m_pData[nIndex * m_cbValue]; }
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#endif
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LPVOID _GetAt(int nIndex) const;
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// set element; index must be in range
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void SetAt(int nIndex, LPVOID pValue);
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// find element given part of one; offset is offset into value; returns
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// -1 if element not found; use IndexOf(NULL, cb, offset) to find zeros;
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// will be optimized for appropriate value size and param combinations
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int IndexOf(LPVOID pData, UINT cbData, UINT offset);
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// set/add element; Potentially growing the array; return FALSE/-1 if
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// not possible (due to OOM)
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BOOL SetAtGrow(int nIndex, LPVOID pValue);
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// Operations that move elements around
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BOOL InsertAt(int nIndex, LPVOID pValue, int nCount = 1);
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void RemoveAt(int nIndex, int nCount = 1);
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void AssertValid() const;
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// Implementation
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private:
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BYTE FAR* m_pData; // the actual array of data
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UINT m_cbValue; // size of each value (in bytes)
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int m_nSize; // current # of elements (m_cbValue bytes in length)
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int m_nMaxSize; // max # of elements (m_cbValue bytes in length)
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int m_nGrowBy; // grow amount (in # elements)
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};
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#endif // !__ARRAY_FV_H__
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