Source code of Windows XP (NT5)
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/*---------------------------------------------------------------------------
File: VarData.h
Comments: This class makes up one level of data in the VarSet.
A CVarData consists of a variant value, and a (possibly empty) set of children.
(c) Copyright 1995-1998, Mission Critical Software, Inc., All Rights Reserved
Proprietary and confidential to Mission Critical Software, Inc.
REVISION LOG ENTRY
Revision By: Christy Boles
Revised on 11/19/98 17:29:30
---------------------------------------------------------------------------
*/
#ifndef __CBBVAROBJ_HPP__
#define __CBBVAROBJ_HPP__
#define CVARDATA_CASE_SENSITIVE (0x01)
#define CVARDATA_INDEXED (0x02)
#define CVARDATA_ALLOWREHASH (0x04)
#include <atlbase.h>
class CMapStringToVar;
class CVarData //: public CObject
{
CComAutoCriticalSection m_cs;
CComVariant m_var;
CMapStringToVar * m_children;
BYTE m_options;
public:
// CVarData() : m_children(NULL) {m_options = CVARDATA_CASE_SENSITIVE | CVARDATA_INDEXED | CVARDATA_ALLOWREHASH; };
// Gene Allen 99.04.22 Changed default from Case sensitive to case insensitive
CVarData() : m_children(NULL) {m_options = CVARDATA_INDEXED | CVARDATA_ALLOWREHASH; };
~CVarData() { RemoveAll(); }
// Variant data functions
CComVariant * GetData() { return &m_var; }
int SetData(CString name,VARIANT * var,BOOL bCoerce, HRESULT * pReturnCode); // returns the number of new items (& subitems) added to the VarSet
// Property settings
BOOL IsCaseSensitive() { return m_options & CVARDATA_CASE_SENSITIVE; }
BOOL IsIndexed() { return m_options & CVARDATA_INDEXED; }
BOOL AllowRehashing() { return m_options & CVARDATA_ALLOWREHASH; }
void SetIndexed(BOOL v);
void SetCaseSensitive(BOOL nVal); // only applies to child items
void SetAllowRehashing(BOOL v); // only applies to child items
// sub-element map functions
BOOL HasChildren();
BOOL HasData() { return m_var.vt != VT_EMPTY; }
CMapStringToVar * GetChildren() { return m_children; }
void RemoveAll(); // deletes all children
BOOL Lookup(LPCTSTR key,CVarData *& rValue);
void SetAt(LPCTSTR key, CVarData * newValue);
long CountItems();
// Stream i/o functions
HRESULT ReadFromStream(LPSTREAM pStr);
HRESULT WriteToStream(LPSTREAM pStr);
DWORD CalculateStreamedLength();
void McLogInternalDiagnostics(CString keyName);
//DECLARE_SERIAL(CVarData)
};
#endif //__CBBVAROBJ_HPP__