Leaked source code of windows server 2003
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// Copyright (c) 1997-1999 Microsoft Corporation
#if (_ATL_VER < 0x0300)
/////////////////////////////////////////////////////////////////////////////
// Collection helpers - CSimpleArray & CSimpleMap
#ifndef __SIMPLEARRAY__
#define __SIMPLEARRAY__
#ifndef ATLASSERT
#define ATLASSERT(expr) _ASSERTE(expr)
#endif
template <class T>
class CSimpleArray
{
public:
T* m_aT;
int m_nSize;
int m_nAllocSize;
// Construction/destruction
CSimpleArray() : m_aT(NULL), m_nSize(0), m_nAllocSize(0)
{ }
~CSimpleArray()
{
RemoveAll();
}
// Operations
int GetSize() const
{
return m_nSize;
}
BOOL Add(T& t)
{
if(m_nSize == m_nAllocSize)
{
T* aT;
int nNewAllocSize = (m_nAllocSize == 0) ? 1 : (m_nSize * 2);
aT = (T*)realloc(m_aT, nNewAllocSize * sizeof(T));
if(aT == NULL)
return FALSE;
m_nAllocSize = nNewAllocSize;
m_aT = aT;
}
m_nSize++;
SetAtIndex(m_nSize - 1, t);
return TRUE;
}
BOOL Remove(T& t)
{
int nIndex = Find(t);
if(nIndex == -1)
return FALSE;
return RemoveAt(nIndex);
}
BOOL RemoveAt(int nIndex)
{
if(nIndex != (m_nSize - 1))
memmove((void*)&m_aT[nIndex], (void*)&m_aT[nIndex + 1], (m_nSize - (nIndex + 1)) * sizeof(T));
m_nSize--;
return TRUE;
}
void RemoveAll()
{
if(m_aT != NULL)
{
free(m_aT);
m_aT = NULL;
}
m_nSize = 0;
m_nAllocSize = 0;
}
T& operator[] (int nIndex) const
{
ATLASSERT(nIndex >= 0 && nIndex < m_nSize);
return m_aT[nIndex];
}
T* GetData() const
{
return m_aT;
}
// Implementation
void SetAtIndex(int nIndex, T& t)
{
ATLASSERT(nIndex >= 0 && nIndex < m_nSize);
m_aT[nIndex] = t;
}
int Find(T& t) const
{
for(int i = 0; i < m_nSize; i++)
{
if(m_aT[i] == t)
return i;
}
return -1; // not found
}
};
#endif __SIMPLEARRAY__
#endif