Source code of Windows XP (NT5)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

111 lines
2.1 KiB

//==============================================================;
//
// This source code is only intended as a supplement to existing Microsoft documentation.
//
//
//
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
// PURPOSE.
//
// Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
//
//
//
//==============================================================;
#if (_ATL_VER < 0x0300)
/////////////////////////////////////////////////////////////////////////////
// Collection helpers - CSimpleArray & CSimpleMap
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
{
_ASSERT(nIndex >= 0 && nIndex < m_nSize);
return m_aT[nIndex];
}
T* GetData() const
{
return m_aT;
}
// Implementation
void SetAtIndex(int nIndex, T& t)
{
_ASSERT(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