Source code of Windows XP (NT5)
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69 lines
1.9 KiB

////////////////////////////////////////////////////////////////////////////
class FAR CMapDwordDword : public CPrivAlloc
{
public:
// Construction
CMapDwordDword(UINT nBlockSize=10)
: m_mkv(sizeof(DWORD), sizeof(DWORD), nBlockSize) { }
CMapDwordDword(UINT nBlockSize, UINT nHashTableSize)
: m_mkv(sizeof(DWORD), sizeof(DWORD), nBlockSize,
&MKVDefaultHashKey, nHashTableSize) { }
// Attributes
// number of elements
int GetCount() const
{ return m_mkv.GetCount(); }
BOOL IsEmpty() const
{ return GetCount() == 0; }
// Lookup
BOOL Lookup(DWORD key, DWORD FAR& value) const
{ return m_mkv.Lookup((LPVOID)&key, sizeof(DWORD), (LPVOID)&value); }
BOOL LookupHKey(HMAPKEY hKey, DWORD FAR& value) const
{ return m_mkv.LookupHKey(hKey, (LPVOID)&value); }
BOOL LookupAdd(DWORD key, DWORD FAR& value) const
{ return m_mkv.LookupAdd((LPVOID)&key, sizeof(DWORD), (LPVOID)&value); }
// Add/Delete
// add a new (key, value) pair
BOOL SetAt(DWORD key, DWORD value)
{ return m_mkv.SetAt((LPVOID)&key, sizeof(DWORD), (LPVOID)&value); }
BOOL SetAtHKey(HMAPKEY hKey, DWORD value)
{ return m_mkv.SetAtHKey(hKey, (LPVOID)&value); }
// removing existing (key, ?) pair
BOOL RemoveKey(DWORD key)
{ return m_mkv.RemoveKey((LPVOID)&key, sizeof(DWORD)); }
BOOL RemoveHKey(HMAPKEY hKey)
{ return m_mkv.RemoveHKey(hKey); }
void RemoveAll()
{ m_mkv.RemoveAll(); }
// iterating all (key, value) pairs
POSITION GetStartPosition() const
{ return m_mkv.GetStartPosition(); }
void GetNextAssoc(POSITION FAR& rNextPosition, DWORD FAR& rKey, DWORD FAR& rValue) const
{ m_mkv.GetNextAssoc(&rNextPosition, (LPVOID)&rKey, NULL, (LPVOID)&rValue); }
HMAPKEY GetHKey(DWORD key) const
{ return m_mkv.GetHKey((LPVOID)&key, sizeof(DWORD)); }
#ifdef _DEBUG
void AssertValid() const
{ m_mkv.AssertValid(); }
#endif
private:
CMapKeyToValue m_mkv;
};