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/*++
Copyright (C) 1999 Microsoft Corporation
--*/
/******************************************************************/
#ifndef __WBEM_TIME__DATEP__H_
#define __WBEM_TIME__DATEP__H_
#include <ql.h>
#define SETMIN ((__int64)0x0000000000000001)
#define SETMAX ((__int64)0x8000000000000000)
#define SETEMPTY ((__int64)0x0000000000000000)
#define SETFULL ((__int64)0xFFFFFFFFFFFFFFFF)
struct COrderedUniqueSet64{ ULONGLONG m_BitField; // m_BitField MUST be an unsigned type
COrderedUniqueSet64(void);
COrderedUniqueSet64 Set(ULONGLONG n), Add(ULONGLONG n), Remove(ULONGLONG n), Union(COrderedUniqueSet64 n), Intersection(COrderedUniqueSet64 n), UpperBound(ULONGLONG n), LowerBound(ULONGLONG n), Rotate(int n);
int Member(ULONGLONG n);
unsigned Next(ULONGLONG n), Prev(ULONGLONG n);};
/******************************************************************/
struct CPattern{ enum { UPPERBOUND = 0x00000001, LOWERBOUND = 0x00000002, MODULUS = 0x00000004, EQUALTO = 0x00000008, NOTEQUALTO = 0x00000010 };
unsigned m_FieldsUsed, m_UpperBound, m_LowerBound, m_Modulus, m_EqualTo, m_CountNotEqualTo, m_NotEqualTo[64];
CPattern(void) { m_FieldsUsed = 0x0; m_CountNotEqualTo = 0x0; }
unsigned GetNextValue(unsigned x);};
/******************************************************************/
struct CDatePattern{ enum { INDX_Year = 0, INDX_Month, INDX_Day, INDX_DayOfWeek, INDX_WeekInMonth, INDX_Quarter, INDX_Hour, INDX_Minute, INDX_Second, INDX_MAX };
COrderedUniqueSet64 m_Set[CDatePattern::INDX_MAX + 1]; // use extra set as buffer in
// GetDayInMonth()
CPattern m_Pattern[CDatePattern::INDX_MAX];
SYSTEMTIME m_CurrentTime;
int FieldIndx(const wchar_t *suName);
ULONGLONG GetNextTime(SYSTEMTIME *pSystemTime = NULL), SetStartTime(SYSTEMTIME StartTime);
HRESULT AugmentPattern(QL_LEVEL_1_TOKEN *pExp), BuildSetsFromPatterns(void), MapPatternToSet(CPattern *pPattern, COrderedUniqueSet64 *pSet), GetDaysInMonth(WORD iYear, WORD iMonth);};
/******************************************************************/
struct WQLDateTime{ struct _DatePattern { CDatePattern *m_Datum;
ULONGLONG m_Index;
_DatePattern *m_Next;
_DatePattern(void) { m_Datum = NULL; m_Next = NULL; m_Index = 0; }
~_DatePattern(void) { if(NULL != m_Datum) delete m_Datum; } } *m_ParseTreeLeaves, *m_ListHead;
int m_NLeaves;
WQLDateTime(void) { m_ParseTreeLeaves = m_ListHead = NULL; m_NLeaves = 0; } ~WQLDateTime(void) { if(NULL != m_ParseTreeLeaves) delete [] m_ParseTreeLeaves; }
HRESULT Init(QL_LEVEL_1_RPN_EXPRESSION *pExp = NULL);
ULONGLONG SetStartTime(SYSTEMTIME *StartTime), GetNextTime(SYSTEMTIME *NextTime = NULL);
void InsertOrdered(_DatePattern *pNode);};
#endif
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