79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1995.
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// File: map_dwp.h
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// Contents:
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// Classes:
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// Functions:
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// History: 10-29-1996 JohannP (Johann Posch) taken from OLE
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class FAR CMapDwordPtr
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{
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public:
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// Construction
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CMapDwordPtr(UINT nBlockSize=10)
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: m_mkv(sizeof(void FAR*), sizeof(DWORD), nBlockSize) { }
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// Attributes
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// number of elements
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int GetCount() const
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{ return m_mkv.GetCount(); }
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BOOL IsEmpty() const
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{ return GetCount() == 0; }
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// Lookup
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BOOL Lookup(DWORD key, void FAR* FAR& value) const
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{ return m_mkv.Lookup((LPVOID) &key, sizeof(DWORD), (LPVOID)&value); }
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BOOL LookupHKey(HMAPKEY hKey, void FAR* FAR& value) const
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{ return m_mkv.LookupHKey(hKey, (LPVOID)&value); }
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BOOL LookupAdd(DWORD key, void FAR* FAR& value) const
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{ return m_mkv.LookupAdd((LPVOID)&key, sizeof(DWORD), (LPVOID)&value); }
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// Add/Delete
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// add a new (key, value) pair
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BOOL SetAt(DWORD key, void FAR* value)
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{ return m_mkv.SetAt((LPVOID) &key, sizeof(DWORD), (LPVOID)&value); }
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BOOL SetAtHKey(HMAPKEY hKey, void FAR* value)
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{ return m_mkv.SetAtHKey(hKey, (LPVOID)&value); }
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// removing existing (key, ?) pair
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BOOL RemoveKey(DWORD key)
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{ return m_mkv.RemoveKey((LPVOID) &key, sizeof(DWORD)); }
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BOOL RemoveHKey(HMAPKEY hKey)
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{ return m_mkv.RemoveHKey(hKey); }
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void RemoveAll()
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{ m_mkv.RemoveAll(); }
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// iterating all (key, value) pairs
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POSITION GetStartPosition() const
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{ return m_mkv.GetStartPosition(); }
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void GetNextAssoc(POSITION FAR& rNextPosition, DWORD FAR& rKey, void FAR* FAR& rValue) const
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{ m_mkv.GetNextAssoc(&rNextPosition, (LPVOID)&rKey, NULL, (LPVOID)&rValue); }
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HMAPKEY GetHKey(DWORD key) const
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{ return m_mkv.GetHKey((LPVOID)&key, sizeof(DWORD)); }
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#if DBG==1
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void AssertValid() const
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{ m_mkv.AssertValid(); }
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#endif
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private:
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CMapKeyToValue m_mkv;
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};
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