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.
 
 
 
 
 
 

620 lines
14 KiB

//***************************************************************************
//
// Copyright (c) 2000 Microsoft Corporation
//
// datetime.h
//
// alanbos 20-Jan-00 Created.
//
// Datetime helper implementation.
//
//***************************************************************************
#ifndef _DATETIME_H_
#define _DATETIME_H_
#define WBEMDT_DMTF_LEN 25
#define WBEMDT_DMTF_SPOS 14
#define WBEMDT_DMTF_UPOS 21
#define WBEMDT_MIN_YEAR 0
#define WBEMDT_MAX_YEAR 9999
#define WBEMDT_MIN_MONTH 1
#define WBEMDT_MAX_MONTH 12
#define WBEMDT_MIN_DAY 1
#define WBEMDT_MAX_DAY 31
#define WBEMDT_MIN_DAYINT 0
#define WBEMDT_MAX_DAYINT 99999999
#define WBEMDT_MIN_HOURS 0
#define WBEMDT_MAX_HOURS 23
#define WBEMDT_MIN_MINUTES 0
#define WBEMDT_MAX_MINUTES 59
#define WBEMDT_MIN_SECONDS 0
#define WBEMDT_MAX_SECONDS 59
#define WBEMDT_MIN_MICROSEC 0
#define WBEMDT_MAX_MICROSEC 999999
#define WBEMDT_MIN_UTC -720
#define WBEMDT_MAX_UTC 720
#define INVALID_TIME 0xffffffffffffffff
//***************************************************************************
//
// CLASS NAME:
//
// CSWbemDateTime
//
// DESCRIPTION:
//
// Implements the ISWbemDateTime interface.
//
//***************************************************************************
class CSWbemDateTime : public ISWbemDateTime,
public IObjectSafety,
public ISupportErrorInfo,
public IProvideClassInfo
{
private:
// Private helper class for all the messy business
class WBEMTime
{
private:
class WBEMTimeSpan
{
private:
ULONGLONG m_Time;
friend class WBEMTime;
public:
WBEMTimeSpan (
int iMinutes
)
{
m_Time = iMinutes * 60;
m_Time *= 10000000;
}
};
public:
WBEMTime () { m_uTime = INVALID_TIME ; }
WBEMTime ( const SYSTEMTIME &st ) { *this = st ; }
const WBEMTime &operator= ( const SYSTEMTIME &st ) ;
const WBEMTime &operator= ( const FILETIME &ft ) ;
WBEMTime operator+ ( const WBEMTimeSpan &ts ) const;
WBEMTime operator- ( const WBEMTimeSpan &sub ) const;
BOOL GetSYSTEMTIME ( SYSTEMTIME *pst ) const;
BOOL GetFILETIME ( FILETIME *pst ) const;
BOOL GetDMTF ( SYSTEMTIME &st, long &offset ) const;
BOOL GetDMTF ( SYSTEMTIME &st ) const;
void Clear ( void ) { m_uTime = INVALID_TIME ; }
bool IsOk () const { return m_uTime != INVALID_TIME ? true : false; }
static LONG WINAPI GetLocalOffsetForDate(const SYSTEMTIME *pst);
private:
ULONGLONG m_uTime;
};
CDispatchHelp m_Dispatch;
VARIANT_BOOL m_bYearSpecified;
VARIANT_BOOL m_bMonthSpecified;
VARIANT_BOOL m_bDaySpecified;
VARIANT_BOOL m_bHoursSpecified;
VARIANT_BOOL m_bMinutesSpecified;
VARIANT_BOOL m_bSecondsSpecified;
VARIANT_BOOL m_bMicrosecondsSpecified;
VARIANT_BOOL m_bUTCSpecified;
VARIANT_BOOL m_bIsInterval;
long m_iYear;
long m_iMonth;
long m_iDay;
long m_iHours;
long m_iMinutes;
long m_iSeconds;
long m_iMicroseconds;
long m_iUTC;
bool CheckField (
LPWSTR pValue,
ULONG len,
VARIANT_BOOL &bIsSpecified,
long &iValue,
long maxValue,
long minValue
);
bool CheckUTC (
LPWSTR pValue,
VARIANT_BOOL &bIsSpecified,
long &iValue,
bool bParseSign = true
);
DWORD m_dwSafetyOptions;
// Records the least significant bit of a filetime
DWORD m_dw100nsOverflow;
protected:
long m_cRef; //Object reference count
public:
CSWbemDateTime(void);
virtual ~CSWbemDateTime(void);
//Non-delegating object IUnknown
STDMETHODIMP QueryInterface(REFIID, LPVOID*);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
// IDispatch
STDMETHODIMP GetTypeInfoCount(UINT* pctinfo)
{return m_Dispatch.GetTypeInfoCount(pctinfo);}
STDMETHODIMP GetTypeInfo(UINT itinfo, LCID lcid, ITypeInfo** pptinfo)
{return m_Dispatch.GetTypeInfo(itinfo, lcid, pptinfo);}
STDMETHODIMP GetIDsOfNames(REFIID riid, OLECHAR** rgszNames,
UINT cNames, LCID lcid, DISPID* rgdispid)
{return m_Dispatch.GetIDsOfNames(riid, rgszNames, cNames,
lcid,
rgdispid);}
STDMETHODIMP Invoke(DISPID dispidMember, REFIID riid, LCID lcid,
WORD wFlags, DISPPARAMS* pdispparams, VARIANT* pvarResult,
EXCEPINFO* pexcepinfo, UINT* puArgErr)
{return m_Dispatch.Invoke(dispidMember, riid, lcid, wFlags,
pdispparams, pvarResult, pexcepinfo, puArgErr);}
// ISWbemDateTime methods
HRESULT STDMETHODCALLTYPE get_Value(
/* [retval][out] */ BSTR __RPC_FAR *value) ;
HRESULT STDMETHODCALLTYPE put_Value(
/* [in] */ BSTR __RPC_FAR value) ;
HRESULT STDMETHODCALLTYPE get_Year(
/* [retval][out] */ long __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_iYear;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_Year(
/* [in] */ long __RPC_FAR value)
{
HRESULT hr = WBEM_S_NO_ERROR;
ResetLastErrors ();
if ((value > WBEMDT_MAX_YEAR) || (value < WBEMDT_MIN_YEAR))
hr = wbemErrValueOutOfRange;
else
m_iYear = value;
if (FAILED(hr))
m_Dispatch.RaiseException (hr);
return hr;
}
HRESULT STDMETHODCALLTYPE get_Month(
/* [retval][out] */ long __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_iMonth;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_Month(
/* [in] */ long __RPC_FAR value)
{
HRESULT hr = WBEM_S_NO_ERROR;
ResetLastErrors ();
if ((value > WBEMDT_MAX_MONTH) || (value < WBEMDT_MIN_MONTH))
hr = wbemErrValueOutOfRange;
else
m_iMonth = value;
if (FAILED(hr))
m_Dispatch.RaiseException (hr);
return hr;
}
HRESULT STDMETHODCALLTYPE get_Day(
/* [retval][out] */ long __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_iDay;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_Day(
/* [in] */ long __RPC_FAR value)
{
HRESULT hr = S_OK;
ResetLastErrors ();
if (((VARIANT_TRUE == m_bIsInterval) && ((value > WBEMDT_MAX_DAYINT) || (value < WBEMDT_MIN_DAYINT))) ||
((VARIANT_FALSE == m_bIsInterval) &&((value > WBEMDT_MAX_DAY) || (value < WBEMDT_MIN_DAY))))
hr = wbemErrValueOutOfRange;
else
m_iDay = value;
if (FAILED(hr))
m_Dispatch.RaiseException (hr);
return hr;
}
HRESULT STDMETHODCALLTYPE get_Hours(
/* [retval][out] */ long __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_iHours;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_Hours(
/* [in] */ long __RPC_FAR value)
{
HRESULT hr = S_OK;
ResetLastErrors ();
if ((value > WBEMDT_MAX_HOURS) || (value < WBEMDT_MIN_HOURS))
hr = wbemErrValueOutOfRange;
else
m_iHours = value;
if (FAILED(hr))
m_Dispatch.RaiseException (hr);
return hr;
}
HRESULT STDMETHODCALLTYPE get_Minutes(
/* [retval][out] */ long __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_iMinutes;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_Minutes(
/* [in] */ long __RPC_FAR value)
{
HRESULT hr = S_OK;
ResetLastErrors ();
if ((value > WBEMDT_MAX_MINUTES) || (value < WBEMDT_MIN_MINUTES))
hr = wbemErrValueOutOfRange;
else
m_iMinutes = value;
if (FAILED(hr))
m_Dispatch.RaiseException (hr);
return hr;
}
HRESULT STDMETHODCALLTYPE get_Seconds(
/* [retval][out] */ long __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_iSeconds;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_Seconds(
/* [in] */ long __RPC_FAR value)
{
HRESULT hr = S_OK;
ResetLastErrors ();
if ((value > WBEMDT_MAX_SECONDS) || (value < WBEMDT_MIN_SECONDS))
hr = wbemErrValueOutOfRange;
else
m_iSeconds = value;
if (FAILED(hr))
m_Dispatch.RaiseException (hr);
return hr;
}
HRESULT STDMETHODCALLTYPE get_Microseconds(
/* [retval][out] */ long __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_iMicroseconds;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_Microseconds(
/* [in] */ long __RPC_FAR value)
{
HRESULT hr = S_OK;
ResetLastErrors ();
if ((value > WBEMDT_MAX_MICROSEC) || (value < WBEMDT_MIN_MICROSEC))
hr = wbemErrValueOutOfRange;
else
m_iMicroseconds = value;
if (FAILED(hr))
m_Dispatch.RaiseException (hr);
return hr;
}
HRESULT STDMETHODCALLTYPE get_UTC(
/* [retval][out] */ long __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_iUTC;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_UTC(
/* [in] */ long __RPC_FAR value)
{
HRESULT hr = S_OK;
ResetLastErrors ();
if ((value > WBEMDT_MAX_UTC) || (value < WBEMDT_MIN_UTC))
hr = wbemErrValueOutOfRange;
else
m_iUTC = value;
if (FAILED(hr))
m_Dispatch.RaiseException (hr);
return hr;
}
HRESULT STDMETHODCALLTYPE get_YearSpecified(
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_bYearSpecified;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_YearSpecified(
/* [in] */ VARIANT_BOOL __RPC_FAR value)
{
ResetLastErrors ();
m_bYearSpecified = value;
return S_OK;
}
HRESULT STDMETHODCALLTYPE get_MonthSpecified(
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_bMonthSpecified;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_MonthSpecified(
/* [in] */ VARIANT_BOOL __RPC_FAR value)
{
ResetLastErrors ();
m_bMonthSpecified = value;
return S_OK;
}
HRESULT STDMETHODCALLTYPE get_DaySpecified(
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_bDaySpecified;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_DaySpecified(
/* [in] */ VARIANT_BOOL __RPC_FAR value)
{
ResetLastErrors ();
m_bDaySpecified = value;
return S_OK;
}
HRESULT STDMETHODCALLTYPE get_HoursSpecified(
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_bHoursSpecified;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_HoursSpecified(
/* [in] */ VARIANT_BOOL __RPC_FAR value)
{
ResetLastErrors ();
m_bHoursSpecified = value;
return S_OK;
}
HRESULT STDMETHODCALLTYPE get_MinutesSpecified(
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_bMinutesSpecified;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_MinutesSpecified(
/* [in] */ VARIANT_BOOL __RPC_FAR value)
{
ResetLastErrors ();
m_bMinutesSpecified = value;
return S_OK;
}
HRESULT STDMETHODCALLTYPE get_SecondsSpecified(
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_bSecondsSpecified;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_SecondsSpecified(
/* [in] */ VARIANT_BOOL __RPC_FAR value)
{
ResetLastErrors ();
m_bSecondsSpecified = value;
return S_OK;
}
HRESULT STDMETHODCALLTYPE get_MicrosecondsSpecified(
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_bMicrosecondsSpecified;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_MicrosecondsSpecified(
/* [in] */ VARIANT_BOOL __RPC_FAR value)
{
ResetLastErrors ();
m_bMicrosecondsSpecified = value;
return S_OK;
}
HRESULT STDMETHODCALLTYPE get_UTCSpecified(
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_bUTCSpecified;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_UTCSpecified(
/* [in] */ VARIANT_BOOL __RPC_FAR value)
{
ResetLastErrors ();
m_bUTCSpecified = value;
return S_OK;
}
HRESULT STDMETHODCALLTYPE get_IsInterval(
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
{
ResetLastErrors ();
*value = m_bIsInterval;
return S_OK;
}
HRESULT STDMETHODCALLTYPE put_IsInterval(
/* [in] */ VARIANT_BOOL __RPC_FAR value)
{
ResetLastErrors ();
if ((VARIANT_TRUE == m_bIsInterval) && (VARIANT_FALSE == value))
{
if (0 == m_iDay)
m_iDay = 1;
else if (WBEMDT_MAX_DAY < m_iDay)
m_iDay = WBEMDT_MAX_DAY;
}
m_bIsInterval = value;
return S_OK;
}
HRESULT STDMETHODCALLTYPE GetVarDate(
/*[in]*/ VARIANT_BOOL bIsLocal,
/*[out, retval]*/ DATE *dVarDate) ;
HRESULT STDMETHODCALLTYPE SetVarDate(
/*[in]*/ DATE dVarDate,
/*[in, optional]*/ VARIANT_BOOL bIsLocal) ;
HRESULT STDMETHODCALLTYPE GetFileTime (
/*[in, optional]*/ VARIANT_BOOL bIsLocal,
/*[out, retval]*/ BSTR *strFileTime
);
HRESULT STDMETHODCALLTYPE SetFileTime (
/*[in]*/ BSTR strFileTime,
/*[in, optional]*/ VARIANT_BOOL bIsLocal
);
// IObjectSafety methods
HRESULT STDMETHODCALLTYPE SetInterfaceSafetyOptions
(
/* [in] */ REFIID riid,
/* [in] */ DWORD dwOptionSetMask,
/* [in] */ DWORD dwEnabledOptions
)
{
if ((IID_IDispatch != riid) && (IID_ISWbemDateTime != riid))
return E_NOINTERFACE;
if (dwOptionSetMask &
~(INTERFACESAFE_FOR_UNTRUSTED_DATA|INTERFACESAFE_FOR_UNTRUSTED_CALLER))
return E_FAIL;
m_dwSafetyOptions = (dwEnabledOptions & dwOptionSetMask);
return S_OK;
}
HRESULT STDMETHODCALLTYPE GetInterfaceSafetyOptions(
/* [in] */ REFIID riid,
/* [out] */ DWORD __RPC_FAR *pdwSupportedOptions,
/* [out] */ DWORD __RPC_FAR *pdwEnabledOptions
)
{
if ((IID_IDispatch != riid) && (IID_ISWbemDateTime != riid))
return E_NOINTERFACE;
if (pdwSupportedOptions) *pdwSupportedOptions =
(INTERFACESAFE_FOR_UNTRUSTED_DATA|INTERFACESAFE_FOR_UNTRUSTED_CALLER);
if (pdwEnabledOptions) *pdwEnabledOptions = m_dwSafetyOptions;
return S_OK;
}
// ISupportErrorInfo methods
HRESULT STDMETHODCALLTYPE InterfaceSupportsErrorInfo
(
/* [in] */ REFIID riid
)
{
return (IID_ISWbemDateTime == riid) ? S_OK : S_FALSE;
}
// IProvideClassInfo methods
HRESULT STDMETHODCALLTYPE GetClassInfo
(
/* [in,out] */ ITypeInfo **ppTI
)
{
return m_Dispatch.GetClassInfo (ppTI);
};
};
#endif // _DATETIME_H