Leaked source code of windows server 2003
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.
 
 
 
 
 
 

3252 lines
96 KiB

#include <malloc.h>
#include <urlint.h>
#include <map_kv.h>
#include "coll.hxx"
#ifndef unix
#include "COleTime.hxx"
#else
#include "coletime.hxx"
#endif /* unix */
#include "cvar.hxx"
//void * _cdecl operator new(size_t sizeEl, ULONG cEl);
void * _cdecl operator new(size_t sizeEl, COleVariant *pCVar);
void * _cdecl operator new(size_t sizeEl, COleVariant *pCVar)
{
return 0;
}
/*
struct AFX_EXCEPTION_LINK
{
#ifdef _AFX_OLD_EXCEPTIONS
union
{
_AFX_JUMPBUF m_jumpBuf;
struct
{
void (PASCAL* pfnCleanup)(AFX_EXCEPTION_LINK* pLink);
void* pvData; // extra data follows
} m_callback; // callback for cleanup (nType != 0)
};
UINT m_nType; // 0 for setjmp, !=0 for user extension
#endif //!_AFX_OLD_EXCEPTIONS
AFX_EXCEPTION_LINK* m_pLinkPrev; // previous top, next in handler chain
CException* m_pException; // current exception (NULL in TRY block)
AFX_EXCEPTION_LINK(); // for initialization and linking
~AFX_EXCEPTION_LINK() // for cleanup and unlinking
{ AfxTryCleanup(); };
};
*/
#define TRY { AFX_EXCEPTION_LINK _afxExceptionLink; try {
#define CATCH(class, e) } catch (class* e) \
{ ASSERT(e->IsKindOf(RUNTIME_CLASS(class))); \
_afxExceptionLink.m_pException = e;
#define AND_CATCH(class, e) } catch (class* e) \
{ ASSERT(e->IsKindOf(RUNTIME_CLASS(class))); \
_afxExceptionLink.m_pException = e;
#define END_CATCH } }
#define THROW(e) throw e
#define THROW_LAST() (AfxThrowLastCleanup(), throw)
// Advanced macros for smaller code
#define CATCH_ALL(e) } catch (CException* e) \
{ { ASSERT(e->IsKindOf(RUNTIME_CLASS(CException))); \
_afxExceptionLink.m_pException = e;
#define AND_CATCH_ALL(e) } catch (CException* e) \
{ { ASSERT(e->IsKindOf(RUNTIME_CLASS(CException))); \
_afxExceptionLink.m_pException = e;
#define END_CATCH_ALL } } }
#define END_TRY } catch (CException* e) \
{ ASSERT(e->IsKindOf(RUNTIME_CLASS(CException))); \
_afxExceptionLink.m_pException = e; } }
#define AFX_OLE_FALSE 0
#define AFX_OLE_TRUE (-1)
#ifndef _DEBUG
#define USES_CONVERSION int _convert; _convert
#else
#define USES_CONVERSION int _convert = 0;
#endif
#ifdef _DEBUG
#define UNUSED(x)
#else
#define UNUSED(x) x
#endif
#define UNUSED_ALWAYS(x) x
/////////////////////////////////////////////////////////////////////////////
// Global UNICODE<>ANSI translation helpers
LPWSTR AFXAPI AfxA2WHelper(LPWSTR lpw, LPCSTR lpa, int nChars);
LPSTR AFXAPI AfxW2AHelper(LPSTR lpa, LPCWSTR lpw, int nChars);
#define A2CW(lpa) (\
((LPCSTR)lpa == NULL) ? NULL : (\
_convert = (lstrlenA(lpa)+1),\
(LPCWSTR)AfxA2WHelper((LPWSTR) alloca(_convert*2), lpa, _convert)\
)\
)
#define A2W(lpa) (\
((LPCSTR)lpa == NULL) ? NULL : (\
_convert = (lstrlenA(lpa)+1),\
AfxA2WHelper((LPWSTR) alloca(_convert*2), lpa, _convert)\
)\
)
#define W2CA(lpw) (\
((LPCWSTR)lpw == NULL) ? NULL : (\
_convert = (wcslen(lpw)+1)*2,\
(LPCSTR)AfxW2AHelper((LPSTR) alloca(_convert), lpw, _convert)\
)\
)
#define W2A(lpw) (\
((LPCWSTR)lpw == NULL) ? NULL : (\
_convert = (wcslen(lpw)+1)*2,\
AfxW2AHelper((LPSTR) alloca(_convert), lpw, _convert)\
)\
)
#if defined(_UNICODE)
// in these cases the default (TCHAR) is the same as OLECHAR
#define DEVMODEOLE DEVMODEW
#define LPDEVMODEOLE LPDEVMODEW
#define TEXTMETRICOLE TEXTMETRICW
#define LPTEXTMETRICOLE LPTEXTMETRICW
inline size_t ocslen(LPCOLESTR x) { return wcslen(x); }
inline OLECHAR* ocscpy(LPOLESTR dest, LPCOLESTR src) { return wcscpy(dest, src); }
inline LPCOLESTR T2COLE(LPCTSTR lp) { return lp; }
inline LPCTSTR OLE2CT(LPCOLESTR lp) { return lp; }
inline LPOLESTR T2OLE(LPTSTR lp) { return lp; }
inline LPTSTR OLE2T(LPOLESTR lp) { return lp; }
inline LPOLESTR TASKSTRINGT2OLE(LPOLESTR lp) { return lp; }
inline LPTSTR TASKSTRINGOLE2T(LPOLESTR lp) { return lp; }
inline LPDEVMODEW DEVMODEOLE2T(LPDEVMODEOLE lp) { return lp; }
inline LPDEVMODEOLE DEVMODET2OLE(LPDEVMODEW lp) { return lp; }
inline LPTEXTMETRICW TEXTMETRICOLE2T(LPTEXTMETRICOLE lp) { return lp; }
inline LPTEXTMETRICOLE TEXTMETRICT2OLE(LPTEXTMETRICW lp) { return lp; }
inline BSTR BSTR2TBSTR(BSTR bstr) { return bstr;}
#elif defined(OLE2ANSI)
// in these cases the default (TCHAR) is the same as OLECHAR
#define DEVMODEOLE DEVMODEA
#define LPDEVMODEOLE LPDEVMODEA
#define TEXTMETRICOLE TEXTMETRICA
#define LPTEXTMETRICOLE LPTEXTMETRICA
inline size_t ocslen(LPCOLESTR x) { return lstrlenA(x); }
inline OLECHAR* ocscpy(LPOLESTR dest, LPCOLESTR src) { return lstrcpyA(dest, src); }
inline LPCOLESTR T2COLE(LPCTSTR lp) { return lp; }
inline LPCTSTR OLE2CT(LPCOLESTR lp) { return lp; }
inline LPOLESTR T2OLE(LPTSTR lp) { return lp; }
inline LPTSTR OLE2T(LPOLESTR lp) { return lp; }
inline LPOLESTR TASKSTRINGT2OLE(LPOLESTR lp) { return lp; }
inline LPTSTR TASKSTRINGOLE2T(LPOLESTR lp) { return lp; }
inline LPDEVMODE DEVMODEOLE2T(LPDEVMODEOLE lp) { return lp; }
inline LPDEVMODEOLE DEVMODET2OLE(LPDEVMODE lp) { return lp; }
inline LPTEXTMETRIC TEXTMETRICOLE2T(LPTEXTMETRICOLE lp) { return lp; }
inline LPTEXTMETRICOLE TEXTMETRICT2OLE(LPTEXTMETRIC lp) { return lp; }
inline BSTR BSTR2TBSTR(BSTR bstr) { return bstr; }
#else
#define DEVMODEOLE DEVMODEW
#define LPDEVMODEOLE LPDEVMODEW
#define TEXTMETRICOLE TEXTMETRICW
#define LPTEXTMETRICOLE LPTEXTMETRICW
inline size_t ocslen(LPCOLESTR x) { return wcslen(x); }
inline OLECHAR* ocscpy(LPOLESTR dest, LPCOLESTR src) { return wcscpy(dest, src); }
#define T2COLE(lpa) A2CW(lpa)
#define T2OLE(lpa) A2W(lpa)
#define OLE2CT(lpo) W2CA(lpo)
#define OLE2T(lpo) W2A(lpo)
#define TASKSTRINGT2OLE(lpa) AfxTaskStringA2W(lpa)
#define TASKSTRINGOLE2T(lpo) AfxTaskStringW2A(lpo)
#define DEVMODEOLE2T(lpo) DEVMODEW2A(lpo)
#define DEVMODET2OLE(lpa) DEVMODEA2W(lpa)
#define TEXTMETRICOLE2T(lptmw) TEXTMETRICW2A(lptmw)
#define TEXTMETRICT2OLE(lptma) TEXTMETRICA2W(lptma)
#define BSTR2TBSTR(bstr) AfxBSTR2ABSTR(bstr)
#endif
#ifdef OLE2ANSI
#define W2OLE W2A
#define W2COLE W2CA
#define OLE2W A2W
#define OLE2CW A2CW
inline LPOLESTR A2OLE(LPSTR lp) { return lp; }
inline LPCOLESTR A2COLE(LPCSTR lp) { return lp; }
inline LPSTR OLE2A(LPOLESTR lp) { return lp; }
inline LPCSTR OLE2CA(LPCOLESTR lp) { return lp; }
#else
#define A2OLE A2W
#define A2COLE A2CW
#define OLE2A W2A
#define OLE2CA W2CA
inline LPOLESTR W2OLE(LPWSTR lp) { return lp; }
inline LPCOLESTR W2COLE(LPCWSTR lp) { return lp; }
inline LPWSTR OLE2W(LPOLESTR lp) { return lp; }
inline LPCWSTR OLE2CW(LPCOLESTR lp) { return lp; }
#endif
/////////////////////////////////////////////////////////////////////////////
// helpers
static void PASCAL CheckError(SCODE sc);
static BOOL PASCAL CompareSafeArrays(SAFEARRAY* parray1, SAFEARRAY* parray2);
static void PASCAL CreateOneDimArray(VARIANT& varSrc, DWORD dwSize);
static void PASCAL CopyBinaryData(SAFEARRAY* parray,
const void* pSrc, DWORD dwSize);
/////////////////////////////////////////////////////////////////////////////
// COleVariant class
COleVariant::COleVariant(const VARIANT& varSrc)
{
AfxVariantInit(this);
CheckError(::VariantCopy(this, (LPVARIANT)&varSrc));
}
COleVariant::COleVariant(LPCVARIANT pSrc)
{
AfxVariantInit(this);
CheckError(::VariantCopy(this, (LPVARIANT)pSrc));
}
COleVariant::COleVariant(const COleVariant& varSrc)
{
AfxVariantInit(this);
CheckError(::VariantCopy(this, (LPVARIANT)&varSrc));
}
COleVariant::COleVariant(LPCTSTR lpszSrc, VARTYPE vtSrc)
{
USES_CONVERSION;
ASSERT(vtSrc == VT_BSTR || vtSrc == VT_BSTRT);
UNUSED(vtSrc);
vt = VT_BSTR;
bstrVal = NULL;
if (lpszSrc != NULL)
{
#ifndef _UNICODE
if (vtSrc == VT_BSTRT)
{
int nLen = lstrlen(lpszSrc);
bstrVal = ::SysAllocStringByteLen(lpszSrc, nLen);
}
else
#endif
{
bstrVal = ::SysAllocString(T2COLE(lpszSrc));
}
/*
BUGBUG:
if (bstrVal == NULL)
AfxThrowMemoryException();
*/
}
}
void COleVariant::SetString(LPCTSTR lpszSrc, VARTYPE vtSrc)
{
USES_CONVERSION;
ASSERT(vtSrc == VT_BSTR || vtSrc == VT_BSTRT);
UNUSED(vtSrc);
// Free up previous VARIANT
Clear();
vt = VT_BSTR;
bstrVal = NULL;
if (lpszSrc != NULL)
{
#ifndef _UNICODE
if (vtSrc == VT_BSTRT)
{
int nLen = lstrlen(lpszSrc);
bstrVal = ::SysAllocStringByteLen(lpszSrc, nLen);
}
else
#endif
{
bstrVal = ::SysAllocString(T2COLE(lpszSrc));
}
/*
BUGBUG:
if (bstrVal == NULL)
AfxThrowMemoryException();
*/
}
}
COleVariant::COleVariant(short nSrc, VARTYPE vtSrc)
{
ASSERT(vtSrc == VT_I2 || vtSrc == VT_BOOL);
if (vtSrc == VT_BOOL)
{
vt = VT_BOOL;
if (nSrc == FALSE)
V_BOOL(this) = AFX_OLE_FALSE;
else
V_BOOL(this) = AFX_OLE_TRUE;
}
else
{
vt = VT_I2;
iVal = nSrc;
}
}
COleVariant::COleVariant(long lSrc, VARTYPE vtSrc)
{
ASSERT(vtSrc == VT_I4 || vtSrc == VT_ERROR || vtSrc == VT_BOOL);
if (vtSrc == VT_ERROR)
{
vt = VT_ERROR;
scode = lSrc;
}
else if (vtSrc == VT_BOOL)
{
vt = VT_BOOL;
if (lSrc == FALSE)
V_BOOL(this) = AFX_OLE_FALSE;
else
V_BOOL(this) = AFX_OLE_TRUE;
}
else
{
vt = VT_I4;
lVal = lSrc;
}
}
// Operations
void COleVariant::Clear()
{
VERIFY(::VariantClear(this) == NOERROR);
}
void COleVariant::ChangeType(VARTYPE vartype, LPVARIANT pSrc)
{
// If pSrc is NULL, convert type in place
if (pSrc == NULL)
pSrc = this;
if (pSrc != this || vartype != vt)
CheckError(::VariantChangeType(this, pSrc, 0, vartype));
}
void COleVariant::Attach(VARIANT& varSrc)
{
// Free up previous VARIANT
Clear();
// give control of data to COleVariant
memcpy(this, &varSrc, sizeof(varSrc));
varSrc.vt = VT_EMPTY;
}
VARIANT COleVariant::Detach()
{
VARIANT varResult = *this;
vt = VT_EMPTY;
return varResult;
}
// Literal comparison. Types and values must match.
BOOL COleVariant::operator==(const VARIANT& var) const
{
if (&var == this)
return TRUE;
// Variants not equal if types don't match
if (var.vt != vt)
return FALSE;
// Check type specific values
switch (vt)
{
case VT_EMPTY:
case VT_NULL:
return TRUE;
case VT_BOOL:
return V_BOOL(&var) == V_BOOL(this);
case VT_UI1:
return var.bVal == bVal;
case VT_I2:
return var.iVal == iVal;
case VT_I4:
return var.lVal == lVal;
case VT_CY:
return (var.cyVal.Hi == cyVal.Hi && var.cyVal.Lo == cyVal.Lo);
case VT_R4:
return var.fltVal == fltVal;
case VT_R8:
return var.dblVal == dblVal;
case VT_DATE:
return var.date == date;
case VT_BSTR:
return SysStringByteLen(var.bstrVal) == SysStringByteLen(bstrVal) &&
memcmp(var.bstrVal, bstrVal, SysStringByteLen(bstrVal)) == 0;
case VT_ERROR:
return var.scode == scode;
case VT_DISPATCH:
case VT_UNKNOWN:
return var.punkVal == punkVal;
default:
if (vt & VT_ARRAY && !(vt & VT_BYREF))
return CompareSafeArrays(var.parray, parray);
else
ASSERT(FALSE); // VT_BYREF not supported
// fall through
}
return FALSE;
}
const COleVariant& COleVariant::operator=(const VARIANT& varSrc)
{
CheckError(::VariantCopy(this, (LPVARIANT)&varSrc));
return *this;
}
const COleVariant& COleVariant::operator=(LPCVARIANT pSrc)
{
CheckError(::VariantCopy(this, (LPVARIANT)pSrc));
return *this;
}
const COleVariant& COleVariant::operator=(const COleVariant& varSrc)
{
CheckError(::VariantCopy(this, (LPVARIANT)&varSrc));
return *this;
}
const COleVariant& COleVariant::operator=(const LPCTSTR lpszSrc)
{
USES_CONVERSION;
// Free up previous VARIANT
Clear();
vt = VT_BSTR;
if (lpszSrc == NULL)
bstrVal = NULL;
else
{
bstrVal = ::SysAllocString(T2COLE(lpszSrc));
/*
BUGBUG:
if (bstrVal == NULL)
AfxThrowMemoryException();
*/
}
return *this;
}
const COleVariant& COleVariant::operator=(const CString& strSrc)
{
USES_CONVERSION;
// Free up previous VARIANT
Clear();
vt = VT_BSTR;
bstrVal = ::SysAllocString(T2COLE(strSrc));
/*
BUGBUG:
if (bstrVal == NULL)
AfxThrowMemoryException();
*/
return *this;
}
const COleVariant& COleVariant::operator=(BYTE nSrc)
{
// Free up previous VARIANT if necessary
if (vt != VT_UI1)
{
Clear();
vt = VT_UI1;
}
bVal = nSrc;
return *this;
}
const COleVariant& COleVariant::operator=(short nSrc)
{
if (vt == VT_I2)
iVal = nSrc;
else if (vt == VT_BOOL)
{
if (nSrc == FALSE)
V_BOOL(this) = AFX_OLE_FALSE;
else
V_BOOL(this) = AFX_OLE_TRUE;
}
else
{
// Free up previous VARIANT
Clear();
vt = VT_I2;
iVal = nSrc;
}
return *this;
}
const COleVariant& COleVariant::operator=(long lSrc)
{
if (vt == VT_I4)
lVal = lSrc;
else if (vt == VT_ERROR)
scode = lSrc;
else if (vt == VT_BOOL)
{
if (lSrc == FALSE)
V_BOOL(this) = AFX_OLE_FALSE;
else
V_BOOL(this) = AFX_OLE_TRUE;
}
else
{
// Free up previous VARIANT
Clear();
vt = VT_I4;
lVal = lSrc;
}
return *this;
}
/*
const COleVariant& COleVariant::operator=(const COleCurrency& curSrc)
{
// Free up previous VARIANT if necessary
if (vt != VT_CY)
{
Clear();
vt = VT_CY;
}
cyVal = curSrc.m_cur;
return *this;
}
*/
const COleVariant& COleVariant::operator=(float fltSrc)
{
// Free up previous VARIANT if necessary
if (vt != VT_R4)
{
Clear();
vt = VT_R4;
}
fltVal = fltSrc;
return *this;
}
const COleVariant& COleVariant::operator=(double dblSrc)
{
// Free up previous VARIANT if necessary
if (vt != VT_R8)
{
Clear();
vt = VT_R8;
}
dblVal = dblSrc;
return *this;
}
const COleVariant& COleVariant::operator=(const COleDateTime& dateSrc)
{
// Free up previous VARIANT if necessary
if (vt != VT_DATE)
{
Clear();
vt = VT_DATE;
}
date = dateSrc.m_dt;
return *this;
}
/*
const COleVariant& COleVariant::operator=(const CByteArray& arrSrc)
{
int nSize = arrSrc.GetSize();
// Set the correct type and make sure SafeArray can hold data
CreateOneDimArray(*this, (DWORD)nSize);
// Copy the data into the SafeArray
CopyBinaryData(parray, arrSrc.GetData(), (DWORD)nSize);
return *this;
}
const COleVariant& COleVariant::operator=(const CLongBinary& lbSrc)
{
// Set the correct type and make sure SafeArray can hold data
CreateOneDimArray(*this, lbSrc.m_dwDataLength);
// Copy the data into the SafeArray
BYTE* pData = (BYTE*)::GlobalLock(lbSrc.m_hData);
CopyBinaryData(parray, pData, lbSrc.m_dwDataLength);
::GlobalUnlock(lbSrc.m_hData);
return *this;
}
*/
void AFXAPI AfxVariantInit(LPVARIANT pVar)
{
memset(pVar, 0, sizeof(*pVar));
}
/////////////////////////////////////////////////////////////////////////////
// Diagnostics
#ifdef _DEBUG
CDumpContext& AFXAPI operator <<(CDumpContext& dc, COleVariant varSrc)
{
LPCVARIANT pSrc = (LPCVARIANT)varSrc;
dc << "\nCOleVariant Object:";
dc << "\n\t vt = " << pSrc->vt;
// No support for VT_BYREF & VT_ARRAY
if (pSrc->vt & VT_BYREF || pSrc->vt & VT_ARRAY)
return dc;
switch (pSrc->vt)
{
case VT_BOOL:
return dc << "\n\t VT_BOOL = " << V_BOOL(pSrc);
case VT_UI1:
return dc << "\n\t bVal = " << pSrc->bVal;
case VT_I2:
return dc << "\n\t iVal = " << pSrc->iVal;
case VT_I4:
return dc << "\n\t lVal = " << pSrc->lVal;
case VT_CY:
{
COleVariant var(varSrc);
var.ChangeType(VT_BSTR);
return dc << "\n\t cyVal = " << (LPCTSTR)var.bstrVal;
}
case VT_R4:
return dc << "\n\t fltVal = " << pSrc->fltVal;
case VT_R8:
return dc << "\n\t dblVal = " << pSrc->dblVal;
case VT_DATE:
{
COleVariant var(varSrc);
var.ChangeType(VT_BSTR);
return dc << "\n\t date = " << (LPCTSTR)var.bstrVal;
}
case VT_BSTR:
return dc << "\n\t bstrVal = " << (LPCTSTR)pSrc->bstrVal;
case VT_ERROR:
return dc << "\n\t scode = " << pSrc->scode;
case VT_DISPATCH:
case VT_UNKNOWN:
return dc << "\n\t punkVal = " << pSrc->punkVal;
case VT_EMPTY:
case VT_NULL:
return dc;
default:
ASSERT(FALSE);
return dc;
}
}
#endif // _DEBUG
#ifdef _with_archive_
CArchive& AFXAPI operator<<(CArchive& ar, COleVariant varSrc)
{
LPCVARIANT pSrc = (LPCVARIANT)varSrc;
ar << pSrc->vt;
// No support for VT_BYREF & VT_ARRAY
if (pSrc->vt & VT_BYREF || pSrc->vt & VT_ARRAY)
return ar;
switch (pSrc->vt)
{
case VT_BOOL:
return ar << (WORD)V_BOOL(pSrc);
case VT_UI1:
return ar << pSrc->bVal;
case VT_I2:
return ar << (WORD)pSrc->iVal;
case VT_I4:
return ar << pSrc->lVal;
case VT_CY:
ar << pSrc->cyVal.Lo;
return ar << pSrc->cyVal.Hi;
case VT_R4:
return ar << pSrc->fltVal;
case VT_R8:
return ar << pSrc->dblVal;
case VT_DATE:
return ar << pSrc->date;
case VT_BSTR:
{
DWORD nLen = SysStringByteLen(pSrc->bstrVal);
ar << nLen;
if (nLen > 0)
ar.Write(pSrc->bstrVal, nLen * sizeof(BYTE));
return ar;
}
case VT_ERROR:
return ar << pSrc->scode;
#ifdef _WITH_PUNK_
case VT_DISPATCH:
case VT_UNKNOWN:
{
LPPERSISTSTREAM pPersistStream;
//BUGBUG
//CArchiveStream stm(&ar);
// QI for IPersistStream or IPeristStreamInit
SCODE sc = pSrc->punkVal->QueryInterface(
IID_IPersistStream, (void**)&pPersistStream);
//#ifndef _AFX_NO_OCC_SUPPORT
#ifdef _AFX_OCC_SUPPORT
if (FAILED(sc))
sc = pSrc->punkVal->QueryInterface(
IID_IPersistStreamInit, (void**)&pPersistStream);
#endif
CheckError(sc);
TRY
{
// Get and archive the CLSID (GUID)
CLSID clsid;
CheckError(pPersistStream->GetClassID(&clsid));
ar << clsid.Data1;
ar << clsid.Data2;
ar << clsid.Data3;
ar.Write(&clsid.Data4[0], sizeof clsid.Data4);
// Always assume object is dirty
CheckError(pPersistStream->Save(&stm, TRUE));
}
CATCH_ALL(e)
{
pPersistStream->Release();
THROW_LAST();
}
END_CATCH_ALL
pPersistStream->Release();
}
return ar;
#endif //_WITH_PUNK_
case VT_EMPTY:
case VT_NULL:
// do nothing
return ar;
default:
ASSERT(FALSE);
return ar;
}
}
CArchive& AFXAPI operator>>(CArchive& ar, COleVariant& varSrc)
{
LPVARIANT pSrc = &varSrc;
// Free up current data if necessary
if (pSrc->vt != VT_EMPTY)
VariantClear(pSrc);
ar >> pSrc->vt;
// No support for VT_BYREF & VT_ARRAY
if (pSrc->vt & VT_BYREF || pSrc->vt & VT_ARRAY)
return ar;
switch (pSrc->vt)
{
case VT_BOOL:
return ar >> (WORD&)V_BOOL(pSrc);
case VT_UI1:
return ar >> pSrc->bVal;
case VT_I2:
return ar >> (WORD&)pSrc->iVal;
case VT_I4:
return ar >> pSrc->lVal;
case VT_CY:
ar >> pSrc->cyVal.Lo;
return ar >> pSrc->cyVal.Hi;
case VT_R4:
return ar >> pSrc->fltVal;
case VT_R8:
return ar >> pSrc->dblVal;
case VT_DATE:
return ar >> pSrc->date;
case VT_BSTR:
{
DWORD nLen;
ar >> nLen;
if (nLen > 0)
{
pSrc->bstrVal = SysAllocStringByteLen(NULL, nLen);
//BUGBUG:
//if (pSrc->bstrVal == NULL)
// AfxThrowMemoryException();
ar.Read(pSrc->bstrVal, nLen * sizeof(BYTE));
}
else
pSrc->bstrVal = NULL;
return ar;
}
break;
case VT_ERROR:
return ar >> pSrc->scode;
#ifdef _WITH_PUNK_
case VT_DISPATCH:
case VT_UNKNOWN:
{
LPPERSISTSTREAM pPersistStream = NULL;
CArchiveStream stm(&ar);
// Retrieve the CLSID (GUID) and create an instance
CLSID clsid;
ar >> clsid.Data1;
ar >> clsid.Data2;
ar >> clsid.Data3;
ar.Read(&clsid.Data4[0], sizeof clsid.Data4);
// Create the object
SCODE sc = CoCreateInstance(clsid, NULL, CLSCTX_ALL | CLSCTX_REMOTE_SERVER,
pSrc->vt == VT_UNKNOWN ? IID_IUnknown : IID_IDispatch,
(void**)&pSrc->punkVal);
if (sc == E_INVALIDARG)
{
// may not support CLSCTX_REMOTE_SERVER, so try without
sc = CoCreateInstance(clsid, NULL,
CLSCTX_ALL & ~CLSCTX_REMOTE_SERVER,
pSrc->vt == VT_UNKNOWN ? IID_IUnknown : IID_IDispatch,
(void**)&pSrc->punkVal);
}
CheckError(sc);
TRY
{
// QI for IPersistStream or IPeristStreamInit
sc = pSrc->punkVal->QueryInterface(
IID_IPersistStream, (void**)&pPersistStream);
#ifndef _AFX_NO_OCC_SUPPORT
if (FAILED(sc))
sc = pSrc->punkVal->QueryInterface(
IID_IPersistStreamInit, (void**)&pPersistStream);
#endif
CheckError(sc);
// Always assumes object is dirty
CheckError(pPersistStream->Load(&stm));
}
CATCH_ALL(e)
{
// Clean up
if (pPersistStream != NULL)
pPersistStream->Release();
pSrc->punkVal->Release();
THROW_LAST();
}
END_CATCH_ALL
pPersistStream->Release();
}
return ar;
#endif //_WITH_PUNK_
case VT_EMPTY:
case VT_NULL:
// do nothing
return ar;
default:
ASSERT(FALSE);
return ar;
}
}
#endif //_with_archive_
/////////////////////////////////////////////////////////////////////////////
// COleVariant Helpers
template<>
void AFXAPI ConstructElements(COleVariant* pElements, int nCount)
{
ASSERT(nCount == 0 ||
AfxIsValidAddress(pElements, nCount * sizeof(COleVariant)));
for (; nCount--; ++pElements)
new(pElements) COleVariant;
}
template<>
void AFXAPI DestructElements(COleVariant* pElements, int nCount)
{
ASSERT(nCount == 0 ||
AfxIsValidAddress(pElements, nCount * sizeof(COleVariant)));
for (; nCount--; ++pElements)
pElements->~COleVariant();
}
template<>
void AFXAPI CopyElements(COleVariant* pDest, const COleVariant* pSrc, int nCount)
{
ASSERT(nCount == 0 ||
AfxIsValidAddress(pDest, nCount * sizeof(COleVariant)));
ASSERT(nCount == 0 ||
AfxIsValidAddress(pSrc, nCount * sizeof(COleVariant)));
for (; nCount--; ++pDest, ++pSrc)
*pDest = *pSrc;
}
#ifdef _with_archive_
template<>
void AFXAPI SerializeElements(CArchive& ar, COleVariant* pElements, int nCount)
{
ASSERT(nCount == 0 ||
AfxIsValidAddress(pElements, nCount * sizeof(COleVariant)));
if (ar.IsStoring())
{
for (; nCount--; ++pElements)
ar << *pElements;
}
else
{
for (; nCount--; ++pElements)
ar >> *pElements;
}
}
#endif //_with_archive_
#ifdef _DEBUG
template<>
void AFXAPI DumpElements(CDumpContext& dc, COleVariant* pElements, int nCount)
{
for (; nCount--; ++pElements)
dc << *pElements;
}
#endif // _DEBUG
template<>
UINT AFXAPI HashKey(const struct tagVARIANT& var)
{
switch (var.vt)
{
case VT_EMPTY:
case VT_NULL:
return 0;
case VT_I2:
return HashKey((DWORD)var.iVal);
case VT_I4:
return HashKey((DWORD)var.lVal);
case VT_R4:
return (UINT)(var.fltVal / 16);
case VT_R8:
case VT_CY:
return (UINT)(var.dblVal / 16);
case VT_BOOL:
return HashKey((DWORD)V_BOOL(&var));
case VT_ERROR:
return HashKey((DWORD)var.scode);
case VT_DATE:
return (UINT)(var.date / 16);
case VT_BSTR:
return HashKey(var.bstrVal);
case VT_DISPATCH:
case VT_UNKNOWN:
return HashKey((DWORD_PTR)var.punkVal);
default:
// No support for VT_BYREF & VT_ARRAY
ASSERT(FALSE);
// Fall through
}
return 0;
}
static void PASCAL CheckError(SCODE sc)
{
if (FAILED(sc))
{
/*
BUGBUG:
if (sc == E_OUTOFMEMORY)
AfxThrowMemoryException();
else
AfxThrowOleException(sc);
*/
}
}
static BOOL PASCAL CompareSafeArrays(SAFEARRAY* parray1, SAFEARRAY* parray2)
{
return FALSE;
}
#ifdef _CURRENCY_ALSO_
static BOOL PASCAL CompareSafeArrays(SAFEARRAY* parray1, SAFEARRAY* parray2)
{
BOOL bCompare = FALSE;
// If one is NULL they must both be NULL to compare
if (parray1 == NULL || parray2 == NULL)
{
return parray1 == parray2;
}
// Dimension must match and if 0, then arrays compare
DWORD dwDim1 = ::SafeArrayGetDim(parray1);
DWORD dwDim2 = ::SafeArrayGetDim(parray2);
if (dwDim1 != dwDim2)
return FALSE;
else if (dwDim1 == 0)
return TRUE;
// Element size must match
DWORD dwSize1 = ::SafeArrayGetElemsize(parray1);
DWORD dwSize2 = ::SafeArrayGetElemsize(parray2);
if (dwSize1 != dwSize2)
return FALSE;
long* pLBound1 = NULL;
long* pLBound2 = NULL;
long* pUBound1 = NULL;
long* pUBound2 = NULL;
void* pData1 = NULL;
void* pData2 = NULL;
TRY
{
// Bounds must match
pLBound1 = new long[dwDim1];
pLBound2 = new long[dwDim2];
pUBound1 = new long[dwDim1];
pUBound2 = new long[dwDim2];
size_t nTotalElements = 1;
// Get and compare bounds
for (DWORD dwIndex = 0; dwIndex < dwDim1; dwIndex++)
{
CheckError(::SafeArrayGetLBound(
parray1, dwIndex+1, &pLBound1[dwIndex]));
CheckError(::SafeArrayGetLBound(
parray2, dwIndex+1, &pLBound2[dwIndex]));
CheckError(::SafeArrayGetUBound(
parray1, dwIndex+1, &pUBound1[dwIndex]));
CheckError(::SafeArrayGetUBound(
parray2, dwIndex+1, &pUBound2[dwIndex]));
// Check the magnitude of each bound
if (pUBound1[dwIndex] - pLBound1[dwIndex] !=
pUBound2[dwIndex] - pLBound2[dwIndex])
{
delete[] pLBound1;
delete[] pLBound2;
delete[] pUBound1;
delete[] pUBound2;
return FALSE;
}
// Increment the element count
nTotalElements *= pUBound1[dwIndex] - pLBound1[dwIndex] + 1;
}
// Access the data
CheckError(::SafeArrayAccessData(parray1, &pData1));
CheckError(::SafeArrayAccessData(parray2, &pData2));
// Calculate the number of bytes of data and compare
size_t nSize = nTotalElements * dwSize1;
int nOffset = memcmp(pData1, pData2, nSize);
bCompare = nOffset == 0;
// Release the array locks
CheckError(::SafeArrayUnaccessData(parray1));
CheckError(::SafeArrayUnaccessData(parray2));
}
CATCH_ALL(e)
{
// Clean up bounds arrays
delete[] pLBound1;
delete[] pLBound2;
delete[] pUBound1;
delete[] pUBound2;
// Release the array locks
if (pData1 != NULL)
CheckError(::SafeArrayUnaccessData(parray1));
if (pData2 != NULL)
CheckError(::SafeArrayUnaccessData(parray2));
THROW_LAST();
}
END_CATCH_ALL
// Clean up bounds arrays
delete[] pLBound1;
delete[] pLBound2;
delete[] pUBound1;
delete[] pUBound2;
return bCompare;
}
static void PASCAL CreateOneDimArray(VARIANT& varSrc, DWORD dwSize)
{
UINT nDim;
// Clear VARIANT and re-create SafeArray if necessary
if (varSrc.vt != (VT_UI1 | VT_ARRAY) ||
(nDim = ::SafeArrayGetDim(varSrc.parray)) != 1)
{
VERIFY(::VariantClear(&varSrc) == NOERROR);
varSrc.vt = VT_UI1 | VT_ARRAY;
SAFEARRAYBOUND bound;
bound.cElements = dwSize;
bound.lLbound = 0;
varSrc.parray = ::SafeArrayCreate(VT_UI1, 1, &bound);
if (varSrc.parray == NULL)
AfxThrowMemoryException();
}
else
{
// Must redimension array if necessary
long lLower, lUpper;
CheckError(::SafeArrayGetLBound(varSrc.parray, 1, &lLower));
CheckError(::SafeArrayGetUBound(varSrc.parray, 1, &lUpper));
// Upper bound should always be greater than lower bound
long lSize = lUpper - lLower;
if (lSize < 0)
{
ASSERT(FALSE);
lSize = 0;
}
if ((DWORD)lSize != dwSize)
{
SAFEARRAYBOUND bound;
bound.cElements = dwSize;
bound.lLbound = lLower;
CheckError(::SafeArrayRedim(varSrc.parray, &bound));
}
}
}
static void PASCAL CopyBinaryData(SAFEARRAY* parray, const void* pvSrc, DWORD dwSize)
{
// Access the data, copy it and unaccess it.
void* pDest;
CheckError(::SafeArrayAccessData(parray, &pDest));
memcpy(pDest, pvSrc, dwSize);
CheckError(::SafeArrayUnaccessData(parray));
}
/////////////////////////////////////////////////////////////////////////////
// COleCurrency class helpers
// Return the highest order bit composing dwTarget in wBit
#define HI_BIT(dwTarget, wBit) \
do \
{ \
if (dwTarget != 0) \
for (wBit = 32; (dwTarget & (0x00000001 << wBit-1)) == 0; wBit--);\
else \
wBit = 0; \
} while (0)
// Left shift an (assumed unsigned) currency by wBits
#define LSHIFT_UCUR(cur, wBits) \
do \
{ \
for (WORD wTempBits = wBits; wTempBits > 0; wTempBits--) \
{ \
cur.m_cur.Hi = ((DWORD)cur.m_cur.Hi << 1); \
cur.m_cur.Hi |= (cur.m_cur.Lo & 0x80000000) >> 31; \
cur.m_cur.Lo = cur.m_cur.Lo << 1; \
} \
} while (0)
// Right shift an (assumed unsigned) currency by wBits
#define RSHIFT_UCUR(cur, wBits) \
do \
{ \
for (WORD wTempBits = wBits; wTempBits > 0; wTempBits--) \
{ \
cur.m_cur.Lo = cur.m_cur.Lo >> 1; \
cur.m_cur.Lo |= (cur.m_cur.Hi & 0x00000001) << 31; \
cur.m_cur.Hi = ((DWORD)cur.m_cur.Hi >> 1); \
} \
} while (0)
/////////////////////////////////////////////////////////////////////////////
// COleCurrency class (internally currency is 8-byte int scaled by 10,000)
COleCurrency::COleCurrency(long nUnits, long nFractionalUnits)
{
SetCurrency(nUnits, nFractionalUnits);
SetStatus(valid);
}
const COleCurrency& COleCurrency::operator=(CURRENCY cySrc)
{
m_cur = cySrc;
SetStatus(valid);
return *this;
}
const COleCurrency& COleCurrency::operator=(const COleCurrency& curSrc)
{
m_cur = curSrc.m_cur;
m_status = curSrc.m_status;
return *this;
}
const COleCurrency& COleCurrency::operator=(const VARIANT& varSrc)
{
if (varSrc.vt != VT_CY)
{
TRY
{
COleVariant varTemp(varSrc);
varTemp.ChangeType(VT_CY);
m_cur = varTemp.cyVal;
SetStatus(valid);
}
// Catch COleException from ChangeType, but not CMemoryException
CATCH(COleException, e)
{
// Not able to convert VARIANT to CURRENCY
m_cur.Hi = 0;
m_cur.Lo = 0;
SetStatus(invalid);
DELETE_EXCEPTION(e);
}
END_CATCH
}
else
{
m_cur = varSrc.cyVal;
SetStatus(valid);
}
return *this;
}
BOOL COleCurrency::operator<(const COleCurrency& cur) const
{
ASSERT(GetStatus() == valid);
ASSERT(cur.GetStatus() == valid);
return((m_cur.Hi == cur.m_cur.Hi) ?
(m_cur.Lo < cur.m_cur.Lo) : (m_cur.Hi < cur.m_cur.Hi));
}
BOOL COleCurrency::operator>(const COleCurrency& cur) const
{
ASSERT(GetStatus() == valid);
ASSERT(cur.GetStatus() == valid);
return((m_cur.Hi == cur.m_cur.Hi) ?
(m_cur.Lo > cur.m_cur.Lo) : (m_cur.Hi > cur.m_cur.Hi));
}
BOOL COleCurrency::operator<=(const COleCurrency& cur) const
{
ASSERT(GetStatus() == valid);
ASSERT(cur.GetStatus() == valid);
return((m_cur.Hi == cur.m_cur.Hi) ?
(m_cur.Lo <= cur.m_cur.Lo) : (m_cur.Hi < cur.m_cur.Hi));
}
BOOL COleCurrency::operator>=(const COleCurrency& cur) const
{
ASSERT(GetStatus() == valid);
ASSERT(cur.GetStatus() == valid);
return((m_cur.Hi == cur.m_cur.Hi) ?
(m_cur.Lo >= cur.m_cur.Lo) : (m_cur.Hi > cur.m_cur.Hi));
}
COleCurrency COleCurrency::operator+(const COleCurrency& cur) const
{
COleCurrency curResult;
// If either operand Null, result Null
if (GetStatus() == null || cur.GetStatus() == null)
{
curResult.SetStatus(null);
return curResult;
}
// If either operand Invalid, result Invalid
if (GetStatus() == invalid || cur.GetStatus() == invalid)
{
curResult.SetStatus(invalid);
return curResult;
}
// Add separate CURRENCY components
curResult.m_cur.Hi = m_cur.Hi + cur.m_cur.Hi;
curResult.m_cur.Lo = m_cur.Lo + cur.m_cur.Lo;
// Increment Hi if Lo overflows
if (m_cur.Lo > curResult.m_cur.Lo)
curResult.m_cur.Hi++;
// Overflow if operands same sign and result sign different
if (!((m_cur.Hi ^ cur.m_cur.Hi) & 0x80000000) &&
((m_cur.Hi ^ curResult.m_cur.Hi) & 0x80000000))
{
curResult.SetStatus(invalid);
}
return curResult;
}
COleCurrency COleCurrency::operator-(const COleCurrency& cur) const
{
COleCurrency curResult;
// If either operand Null, result Null
if (GetStatus() == null || cur.GetStatus() == null)
{
curResult.SetStatus(null);
return curResult;
}
// If either operand Invalid, result Invalid
if (GetStatus() == invalid || cur.GetStatus() == invalid)
{
curResult.SetStatus(invalid);
return curResult;
}
// Subtract separate CURRENCY components
curResult.m_cur.Hi = m_cur.Hi - cur.m_cur.Hi;
curResult.m_cur.Lo = m_cur.Lo - cur.m_cur.Lo;
// Decrement Hi if Lo overflows
if (m_cur.Lo < curResult.m_cur.Lo)
curResult.m_cur.Hi--;
// Overflow if operands not same sign and result not same sign
if (((m_cur.Hi ^ cur.m_cur.Hi) & 0x80000000) &&
((m_cur.Hi ^ curResult.m_cur.Hi) & 0x80000000))
{
curResult.SetStatus(invalid);
}
return curResult;
}
COleCurrency COleCurrency::operator-() const
{
// If operand not Valid, just return
if (!GetStatus() == valid)
return *this;
COleCurrency curResult;
// Negating MIN_CURRENCY,will set invalid
if (m_cur.Hi == 0x80000000 && m_cur.Lo == 0x00000000)
{
curResult.SetStatus(invalid);
}
curResult.m_cur.Hi = ~m_cur.Hi;
curResult.m_cur.Lo = -(long)m_cur.Lo;
// If cy was -1 make sure Hi correctly set
if (curResult.m_cur.Lo == 0)
curResult.m_cur.Hi++;
return curResult;
}
COleCurrency COleCurrency::operator*(long nOperand) const
{
// If operand not Valid, just return
if (!GetStatus() == valid)
return *this;
COleCurrency curResult(m_cur);
DWORD nTempOp;
// Return now if one operand is 0 (optimization)
if ((m_cur.Hi == 0x00000000 && m_cur.Lo == 0x00000000) || nOperand == 0)
{
curResult.m_cur.Hi = 0;
curResult.m_cur.Lo = 0;
return curResult;
}
// Handle only valid case of multiplying MIN_CURRENCY
if (m_cur.Hi == 0x80000000 && m_cur.Lo == 0x00000000 && nOperand == 1)
return curResult;
// Compute absolute values.
if (m_cur.Hi < 0)
curResult = -curResult;
nTempOp = labs(nOperand);
// Check for overflow
if (curResult.m_cur.Hi != 0)
{
WORD wHiBitCur, wHiBitOp;
HI_BIT(curResult.m_cur.Hi, wHiBitCur);
HI_BIT(nTempOp, wHiBitOp);
// 63-bit limit on result. (n bits)*(m bits) = (n+m-1) bits.
if (wHiBitCur + wHiBitOp - 1 > 63)
{
// Overflow!
curResult.SetStatus(invalid);
// Set to maximum negative value
curResult.m_cur.Hi = 0x80000000;
curResult.m_cur.Lo = 0x00000000;
return curResult;
}
}
// Break up into WORDs
WORD wCy4, wCy3, wCy2, wCy1, wL2, wL1;
wCy4 = HIWORD(curResult.m_cur.Hi);
wCy3 = LOWORD(curResult.m_cur.Hi);
wCy2 = HIWORD(curResult.m_cur.Lo);
wCy1 = LOWORD(curResult.m_cur.Lo);
wL2 = HIWORD(nTempOp);
wL1 = LOWORD(nTempOp);
// Multiply each set of WORDs
DWORD dwRes11, dwRes12, dwRes21, dwRes22;
DWORD dwRes31, dwRes32, dwRes41; // Don't need dwRes42
dwRes11 = wCy1 * wL1;
dwRes12 = wCy1 * wL2;
dwRes21 = wCy2 * wL1;
dwRes22 = wCy2 * wL2;
dwRes31 = wCy3 * wL1;
dwRes32 = wCy3 * wL2;
dwRes41 = wCy4 * wL1;
// Add up low order pieces
dwRes11 += dwRes12<<16;
curResult.m_cur.Lo = dwRes11 + (dwRes21<<16);
// Check if carry required
if (dwRes11 < dwRes12<<16 || (DWORD)curResult.m_cur.Lo < dwRes11)
curResult.m_cur.Hi = 1;
else
curResult.m_cur.Hi = 0;
// Add up the high order pieces
curResult.m_cur.Hi += dwRes31 + (dwRes32<<16) + (dwRes41<<16) +
dwRes22 + (dwRes12>>16) + (dwRes21>>16);
// Compute result sign
if ((m_cur.Hi ^ nOperand) & 0x80000000)
curResult = -curResult;
return curResult;
}
COleCurrency COleCurrency::operator/(long nOperand) const
{
// If operand not Valid, just return
if (!GetStatus() == valid)
return *this;
COleCurrency curTemp(m_cur);
DWORD nTempOp;
// Check for divide by 0
if (nOperand == 0)
{
curTemp.SetStatus(invalid);
// Set to maximum negative value
curTemp.m_cur.Hi = 0x80000000;
curTemp.m_cur.Lo = 0x00000000;
return curTemp;
}
// Compute absolute values
if (curTemp.m_cur.Hi < 0)
curTemp = -curTemp;
nTempOp = labs(nOperand);
// Optimization - division is simple if Hi == 0
if (curTemp.m_cur.Hi == 0x0000)
{
curTemp.m_cur.Lo = m_cur.Lo / nTempOp;
// Compute result sign
if ((m_cur.Hi ^ nOperand) & 0x80000000)
curTemp = -curTemp;
return curTemp;
}
// Now curTemp represents remainder
COleCurrency curResult; // Initializes to zero
COleCurrency curTempResult;
COleCurrency curOperand;
curOperand.m_cur.Lo = nTempOp;
WORD wHiBitRem;
WORD wScaleOp;
// Quit if remainder can be truncated
while (curTemp >= curOperand)
{
// Scale up and divide Hi portion
HI_BIT(curTemp.m_cur.Hi, wHiBitRem);
if (wHiBitRem != 0)
wHiBitRem += 32;
else
HI_BIT(curTemp.m_cur.Lo, wHiBitRem);
WORD wShift = (WORD)(64 - wHiBitRem);
LSHIFT_UCUR(curTemp, wShift);
// If Operand bigger than Hi it must be scaled
wScaleOp = (WORD)((nTempOp > (DWORD)curTemp.m_cur.Hi) ? 1 : 0);
// Perform synthetic division
curTempResult.m_cur.Hi =
(DWORD)curTemp.m_cur.Hi / (nTempOp >> wScaleOp);
// Scale back to get correct result and remainder
RSHIFT_UCUR(curTemp, wShift);
wShift = (WORD)(wShift - wScaleOp);
RSHIFT_UCUR(curTempResult, wShift);
// Now calculate result and remainder
curResult += curTempResult;
curTemp -= curTempResult * nTempOp;
}
// Compute result sign
if ((m_cur.Hi ^ nOperand) & 0x80000000)
curResult = -curResult;
return curResult;
}
void COleCurrency::SetCurrency(long nUnits, long nFractionalUnits)
{
COleCurrency curUnits; // Initializes to 0
COleCurrency curFractionalUnits; // Initializes to 0
// Set temp currency value to Units (need to multiply by 10,000)
curUnits.m_cur.Lo = (DWORD)labs(nUnits);
curUnits = curUnits * 10000;
if (nUnits < 0)
curUnits = -curUnits;
curFractionalUnits.m_cur.Lo = (DWORD)labs(nFractionalUnits);
if (nFractionalUnits < 0)
curFractionalUnits = -curFractionalUnits;
// Now add together Units and FractionalUnits
*this = curUnits + curFractionalUnits;
SetStatus(valid);
}
BOOL COleCurrency::ParseCurrency(LPCTSTR lpszCurrency,
DWORD dwFlags, LCID lcid)
{
USES_CONVERSION;
CString strCurrency = lpszCurrency;
SCODE sc;
if ( FAILED(sc = VarCyFromStr((LPOLESTR)T2COLE(strCurrency),
lcid, dwFlags, &m_cur)))
{
if (sc == DISP_E_TYPEMISMATCH)
{
// Can't convert string to CURRENCY, set 0 & invalid
m_cur.Hi = 0x00000000;
m_cur.Lo = 0x00000000;
SetStatus(invalid);
return FALSE;
}
else if (sc == DISP_E_OVERFLOW)
{
// Can't convert string to CURRENCY, set max neg & invalid
m_cur.Hi = 0x80000000;
m_cur.Lo = 0x00000000;
SetStatus(invalid);
return FALSE;
}
else
{
TRACE0("\nCOleCurrency VarCyFromStr call failed.\n\t");
if (sc == E_OUTOFMEMORY)
AfxThrowMemoryException();
else
AfxThrowOleException(sc);
}
}
SetStatus(valid);
return TRUE;
}
CString COleCurrency::Format(DWORD dwFlags, LCID lcid) const
{
USES_CONVERSION;
CString strCur;
// If null, return empty string
if (GetStatus() == null)
return strCur;
// If invalid, return Currency resource string
if (GetStatus() == invalid)
{
VERIFY(strCur.LoadString(AFX_IDS_INVALID_CURRENCY));
return strCur;
}
COleVariant var;
// Don't need to trap error. Should not fail due to type mismatch
CheckError(VarBstrFromCy(m_cur, lcid, dwFlags, &V_BSTR(&var)));
var.vt = VT_BSTR;
return OLE2CT(V_BSTR(&var));
}
// serialization
#ifdef _DEBUG
CDumpContext& AFXAPI operator<<(CDumpContext& dc, COleCurrency curSrc)
{
dc << "\nCOleCurrency Object:";
dc << "\n\tm_status = " << (long)curSrc.m_status;
COleVariant var(curSrc);
var.ChangeType(VT_CY);
return dc << "\n\tCurrency = " << (LPCTSTR)var.bstrVal;
}
#endif // _DEBUG
#ifdef _with_archive_
CArchive& AFXAPI operator<<(CArchive& ar, COleCurrency curSrc)
{
ar << (long)curSrc.m_status;
ar << curSrc.m_cur.Hi;
return ar << curSrc.m_cur.Lo;
}
CArchive& AFXAPI operator>>(CArchive& ar, COleCurrency& curSrc)
{
ar >> (long&)curSrc.m_status;
ar >> curSrc.m_cur.Hi;
return ar >> curSrc.m_cur.Lo;
}
#endif //_with_archive_
/////////////////////////////////////////////////////////////////////////////
// COleDateTime class HELPER definitions
// Verifies will fail if the needed buffer size is too large
#define MAX_TIME_BUFFER_SIZE 128 // matches that in timecore.cpp
#define MIN_DATE (-657434L) // about year 100
#define MAX_DATE 2958465L // about year 9999
// Half a second, expressed in days
#define HALF_SECOND (1.0/172800.0)
// One-based array of days in year at month start
static int rgMonthDays[13] =
{0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365};
static BOOL OleDateFromTm(WORD wYear, WORD wMonth, WORD wDay,
WORD wHour, WORD wMinute, WORD wSecond, DATE& dtDest);
static BOOL TmFromOleDate(DATE dtSrc, struct tm& tmDest);
static void TmConvertToStandardFormat(struct tm& tmSrc);
static double DoubleFromDate(DATE dt);
static DATE DateFromDouble(double dbl);
/////////////////////////////////////////////////////////////////////////////
// COleDateTime class
COleDateTime PASCAL COleDateTime::GetCurrentTime()
{
return COleDateTime(::time(NULL));
}
int COleDateTime::GetYear() const
{
struct tm tmTemp;
if (GetStatus() == valid && TmFromOleDate(m_dt, tmTemp))
return tmTemp.tm_year;
else
return AFX_OLE_DATETIME_ERROR;
}
int COleDateTime::GetMonth() const
{
struct tm tmTemp;
if (GetStatus() == valid && TmFromOleDate(m_dt, tmTemp))
return tmTemp.tm_mon;
else
return AFX_OLE_DATETIME_ERROR;
}
int COleDateTime::GetDay() const
{
struct tm tmTemp;
if (GetStatus() == valid && TmFromOleDate(m_dt, tmTemp))
return tmTemp.tm_mday;
else
return AFX_OLE_DATETIME_ERROR;
}
int COleDateTime::GetHour() const
{
struct tm tmTemp;
if (GetStatus() == valid && TmFromOleDate(m_dt, tmTemp))
return tmTemp.tm_hour;
else
return AFX_OLE_DATETIME_ERROR;
}
int COleDateTime::GetMinute() const
{
struct tm tmTemp;
if (GetStatus() == valid && TmFromOleDate(m_dt, tmTemp))
return tmTemp.tm_min;
else
return AFX_OLE_DATETIME_ERROR;
}
int COleDateTime::GetSecond() const
{
struct tm tmTemp;
if (GetStatus() == valid && TmFromOleDate(m_dt, tmTemp))
return tmTemp.tm_sec;
else
return AFX_OLE_DATETIME_ERROR;
}
int COleDateTime::GetDayOfWeek() const
{
struct tm tmTemp;
if (GetStatus() == valid && TmFromOleDate(m_dt, tmTemp))
return tmTemp.tm_wday;
else
return AFX_OLE_DATETIME_ERROR;
}
int COleDateTime::GetDayOfYear() const
{
struct tm tmTemp;
if (GetStatus() == valid && TmFromOleDate(m_dt, tmTemp))
return tmTemp.tm_yday;
else
return AFX_OLE_DATETIME_ERROR;
}
const COleDateTime& COleDateTime::operator=(const VARIANT& varSrc)
{
if (varSrc.vt != VT_DATE)
{
TRY
{
COleVariant varTemp(varSrc);
varTemp.ChangeType(VT_DATE);
m_dt = varTemp.date;
SetStatus(valid);
}
// Catch COleException from ChangeType, but not CMemoryException
CATCH(COleException, e)
{
// Not able to convert VARIANT to DATE
DELETE_EXCEPTION(e);
m_dt = 0;
SetStatus(invalid);
}
END_CATCH
}
else
{
m_dt = varSrc.date;
SetStatus(valid);
}
return *this;
}
const COleDateTime& COleDateTime::operator=(DATE dtSrc)
{
m_dt = dtSrc;
SetStatus(valid);
return *this;
}
const COleDateTime& COleDateTime::operator=(const time_t& timeSrc)
{
// Convert time_t to struct tm
tm *ptm = localtime(&timeSrc);
if (ptm != NULL)
{
m_status = OleDateFromTm((WORD)ptm->tm_year + 1900,
(WORD)(ptm->tm_mon + 1), (WORD)ptm->tm_mday,
(WORD)ptm->tm_hour, (WORD)ptm->tm_min,
(WORD)ptm->tm_sec, m_dt) ? valid : invalid;
}
else
{
// Local time must have failed (timsSrc before 1/1/70 12am)
SetStatus(invalid);
ASSERT(FALSE);
}
return *this;
}
const COleDateTime& COleDateTime::operator=(const SYSTEMTIME& systimeSrc)
{
m_status = OleDateFromTm(systimeSrc.wYear, systimeSrc.wMonth,
systimeSrc.wDay, systimeSrc.wHour, systimeSrc.wMinute,
systimeSrc.wSecond, m_dt) ? valid : invalid;
return *this;
}
const COleDateTime& COleDateTime::operator=(const FILETIME& filetimeSrc)
{
// Assume UTC FILETIME, so convert to LOCALTIME
FILETIME filetimeLocal;
if (!FileTimeToLocalFileTime( &filetimeSrc, &filetimeLocal))
{
#ifdef _DEBUG
DWORD dwError = GetLastError();
TRACE1("\nFileTimeToLocalFileTime failed. Error = %lu.\n\t", dwError);
#endif // _DEBUG
m_status = invalid;
}
else
{
// Take advantage of SYSTEMTIME -> FILETIME conversion
SYSTEMTIME systime;
m_status = FileTimeToSystemTime(&filetimeLocal, &systime) ?
valid : invalid;
// At this point systime should always be valid, but...
if (GetStatus() == valid)
{
m_status = OleDateFromTm(systime.wYear, systime.wMonth,
systime.wDay, systime.wHour, systime.wMinute,
systime.wSecond, m_dt) ? valid : invalid;
}
}
return *this;
}
BOOL COleDateTime::operator<(const COleDateTime& date) const
{
ASSERT(GetStatus() == valid);
ASSERT(date.GetStatus() == valid);
// Handle negative dates
return DoubleFromDate(m_dt) < DoubleFromDate(date.m_dt);
}
BOOL COleDateTime::operator>(const COleDateTime& date) const
{ ASSERT(GetStatus() == valid);
ASSERT(date.GetStatus() == valid);
// Handle negative dates
return DoubleFromDate(m_dt) > DoubleFromDate(date.m_dt);
}
BOOL COleDateTime::operator<=(const COleDateTime& date) const
{
ASSERT(GetStatus() == valid);
ASSERT(date.GetStatus() == valid);
// Handle negative dates
return DoubleFromDate(m_dt) <= DoubleFromDate(date.m_dt);
}
BOOL COleDateTime::operator>=(const COleDateTime& date) const
{
ASSERT(GetStatus() == valid);
ASSERT(date.GetStatus() == valid);
// Handle negative dates
return DoubleFromDate(m_dt) >= DoubleFromDate(date.m_dt);
}
COleDateTime COleDateTime::operator+(const COleDateTimeSpan& dateSpan) const
{
COleDateTime dateResult; // Initializes m_status to valid
// If either operand NULL, result NULL
if (GetStatus() == null || dateSpan.GetStatus() == null)
{
dateResult.SetStatus(null);
return dateResult;
}
// If either operand invalid, result invalid
if (GetStatus() == invalid || dateSpan.GetStatus() == invalid)
{
dateResult.SetStatus(invalid);
return dateResult;
}
// Compute the actual date difference by adding underlying dates
dateResult = DateFromDouble(DoubleFromDate(m_dt) + dateSpan.m_span);
// Validate within range
dateResult.CheckRange();
return dateResult;
}
COleDateTime COleDateTime::operator-(const COleDateTimeSpan& dateSpan) const
{
COleDateTime dateResult; // Initializes m_status to valid
// If either operand NULL, result NULL
if (GetStatus() == null || dateSpan.GetStatus() == null)
{
dateResult.SetStatus(null);
return dateResult;
}
// If either operand invalid, result invalid
if (GetStatus() == invalid || dateSpan.GetStatus() == invalid)
{
dateResult.SetStatus(invalid);
return dateResult;
}
// Compute the actual date difference by subtracting underlying dates
dateResult = DateFromDouble(DoubleFromDate(m_dt) - dateSpan.m_span);
// Validate within range
dateResult.CheckRange();
return dateResult;
}
COleDateTimeSpan COleDateTime::operator-(const COleDateTime& date) const
{
COleDateTimeSpan spanResult;
// If either operand NULL, result NULL
if (GetStatus() == null || date.GetStatus() == null)
{
spanResult.SetStatus(COleDateTimeSpan::null);
return spanResult;
}
// If either operand invalid, result invalid
if (GetStatus() == invalid || date.GetStatus() == invalid)
{
spanResult.SetStatus(COleDateTimeSpan::invalid);
return spanResult;
}
// Return result (span can't be invalid, so don't check range)
return DoubleFromDate(m_dt) - DoubleFromDate(date.m_dt);
}
BOOL COleDateTime::SetDateTime(int nYear, int nMonth, int nDay,
int nHour, int nMin, int nSec)
{
return m_status = OleDateFromTm((WORD)nYear, (WORD)nMonth,
(WORD)nDay, (WORD)nHour, (WORD)nMin, (WORD)nSec, m_dt) ?
valid : invalid;
}
BOOL COleDateTime::ParseDateTime(LPCTSTR lpszDate, DWORD dwFlags, LCID lcid)
{
USES_CONVERSION;
CString strDate = lpszDate;
SCODE sc;
if (FAILED(sc = VarDateFromStr((LPOLESTR)T2COLE(strDate), lcid,
dwFlags, &m_dt)))
{
if (sc == DISP_E_TYPEMISMATCH)
{
// Can't convert string to date, set 0 and invalidate
m_dt = 0;
SetStatus(invalid);
return FALSE;
}
else if (sc == DISP_E_OVERFLOW)
{
// Can't convert string to date, set -1 and invalidate
m_dt = -1;
SetStatus(invalid);
return FALSE;
}
else
{
TRACE0("\nCOleDateTime VarDateFromStr call failed.\n\t");
if (sc == E_OUTOFMEMORY)
AfxThrowMemoryException();
else
AfxThrowOleException(sc);
}
}
SetStatus(valid);
return TRUE;
}
CString COleDateTime::Format(DWORD dwFlags, LCID lcid) const
{
USES_CONVERSION;
CString strDate;
// If null, return empty string
if (GetStatus() == null)
return strDate;
// If invalid, return DateTime resource string
if (GetStatus() == invalid)
{
VERIFY(strDate.LoadString(AFX_IDS_INVALID_DATETIME));
return strDate;
}
COleVariant var;
// Don't need to trap error. Should not fail due to type mismatch
CheckError(VarBstrFromDate(m_dt, lcid, dwFlags, &V_BSTR(&var)));
var.vt = VT_BSTR;
return OLE2CT(V_BSTR(&var));
}
CString COleDateTime::Format(LPCTSTR pFormat) const
{
CString strDate;
struct tm tmTemp;
// If null, return empty string
if (GetStatus() == null)
return strDate;
// If invalid, return DateTime resource string
if (GetStatus() == invalid || !TmFromOleDate(m_dt, tmTemp))
{
VERIFY(strDate.LoadString(AFX_IDS_INVALID_DATETIME));
return strDate;
}
// Convert tm from afx internal format to standard format
TmConvertToStandardFormat(tmTemp);
// Fill in the buffer, disregard return value as it's not necessary
LPTSTR lpszTemp = strDate.GetBufferSetLength(MAX_TIME_BUFFER_SIZE);
_tcsftime(lpszTemp, strDate.GetLength(), pFormat, &tmTemp);
strDate.ReleaseBuffer();
return strDate;
}
CString COleDateTime::Format(UINT nFormatID) const
{
CString strFormat;
VERIFY(strFormat.LoadString(nFormatID) != 0);
return Format(strFormat);
}
void COleDateTime::CheckRange()
{
if (m_dt > MAX_DATE || m_dt < MIN_DATE) // about year 100 to about 9999
SetStatus(invalid);
}
// serialization
#ifdef _DEBUG
CDumpContext& AFXAPI operator<<(CDumpContext& dc, COleDateTime dateSrc)
{
dc << "\nCOleDateTime Object:";
dc << "\n\tm_status = " << (long)dateSrc.m_status;
COleVariant var(dateSrc);
var.ChangeType(VT_BSTR);
return dc << "\n\tdate = " << (LPCTSTR)var.bstrVal;
}
#endif // _DEBUG
#ifdef _with_archive_
CArchive& AFXAPI operator<<(CArchive& ar, COleDateTime dateSrc)
{
ar << (long)dateSrc.m_status;
return ar << dateSrc.m_dt;
}
CArchive& AFXAPI operator>>(CArchive& ar, COleDateTime& dateSrc)
{
ar >> (long&)dateSrc.m_status;
return ar >> dateSrc.m_dt;
}
#endif //_with_archive_
/////////////////////////////////////////////////////////////////////////////
// COleDateTimeSpan class helpers
#define MAX_DAYS_IN_SPAN 3615897L
/////////////////////////////////////////////////////////////////////////////
// COleDateTimeSpan class
long COleDateTimeSpan::GetHours() const
{
ASSERT(GetStatus() == valid);
double dblTemp;
// Truncate days and scale up
dblTemp = modf(m_span, &dblTemp);
return (long)(dblTemp * 24);
}
long COleDateTimeSpan::GetMinutes() const
{
ASSERT(GetStatus() == valid);
double dblTemp;
// Truncate hours and scale up
dblTemp = modf(m_span * 24, &dblTemp);
return (long)(dblTemp * 60);
}
long COleDateTimeSpan::GetSeconds() const
{
ASSERT(GetStatus() == valid);
double dblTemp;
// Truncate minutes and scale up
dblTemp = modf(m_span * 24 * 60, &dblTemp);
return (long)(dblTemp * 60);
}
const COleDateTimeSpan& COleDateTimeSpan::operator=(double dblSpanSrc)
{
m_span = dblSpanSrc;
SetStatus(valid);
return *this;
}
const COleDateTimeSpan& COleDateTimeSpan::operator=(const COleDateTimeSpan& dateSpanSrc)
{
m_span = dateSpanSrc.m_span;
m_status = dateSpanSrc.m_status;
return *this;
}
COleDateTimeSpan COleDateTimeSpan::operator+(const COleDateTimeSpan& dateSpan) const
{
COleDateTimeSpan dateSpanTemp;
// If either operand Null, result Null
if (GetStatus() == null || dateSpan.GetStatus() == null)
{
dateSpanTemp.SetStatus(null);
return dateSpanTemp;
}
// If either operand Invalid, result Invalid
if (GetStatus() == invalid || dateSpan.GetStatus() == invalid)
{
dateSpanTemp.SetStatus(invalid);
return dateSpanTemp;
}
// Add spans and validate within legal range
dateSpanTemp.m_span = m_span + dateSpan.m_span;
dateSpanTemp.CheckRange();
return dateSpanTemp;
}
COleDateTimeSpan COleDateTimeSpan::operator-(const COleDateTimeSpan& dateSpan) const
{
COleDateTimeSpan dateSpanTemp;
// If either operand Null, result Null
if (GetStatus() == null || dateSpan.GetStatus() == null)
{
dateSpanTemp.SetStatus(null);
return dateSpanTemp;
}
// If either operand Invalid, result Invalid
if (GetStatus() == invalid || dateSpan.GetStatus() == invalid)
{
dateSpanTemp.SetStatus(invalid);
return dateSpanTemp;
}
// Subtract spans and validate within legal range
dateSpanTemp.m_span = m_span - dateSpan.m_span;
dateSpanTemp.CheckRange();
return dateSpanTemp;
}
void COleDateTimeSpan::SetDateTimeSpan(
long lDays, int nHours, int nMins, int nSecs)
{
// Set date span by breaking into fractional days (all input ranges valid)
m_span = lDays + ((double)nHours)/24 + ((double)nMins)/(24*60) +
((double)nSecs)/(24*60*60);
SetStatus(valid);
}
CString COleDateTimeSpan::Format(LPCTSTR pFormat) const
{
CString strSpan;
struct tm tmTemp;
// If null, return empty string
if (GetStatus() == null)
return strSpan;
// If invalid, return DateTimeSpan resource string
if (GetStatus() == invalid || !TmFromOleDate(m_span, tmTemp))
{
VERIFY(strSpan.LoadString(AFX_IDS_INVALID_DATETIMESPAN));
return strSpan;
}
// Convert tm from afx internal format to standard format
TmConvertToStandardFormat(tmTemp);
// Fill in the buffer, disregard return value as it's not necessary
LPTSTR lpszTemp = strSpan.GetBufferSetLength(MAX_TIME_BUFFER_SIZE);
_tcsftime(lpszTemp, strSpan.GetLength(), pFormat, &tmTemp);
strSpan.ReleaseBuffer();
return strSpan;
}
CString COleDateTimeSpan::Format(UINT nFormatID) const
{
CString strFormat;
VERIFY(strFormat.LoadString(nFormatID) != 0);
return Format(strFormat);
}
void COleDateTimeSpan::CheckRange()
{
if(m_span < -MAX_DAYS_IN_SPAN || m_span > MAX_DAYS_IN_SPAN)
SetStatus(invalid);
}
// serialization
#ifdef _DEBUG
CDumpContext& AFXAPI operator<<(CDumpContext& dc, COleDateTimeSpan dateSpanSrc)
{
dc << "\nCOleDateTimeSpan Object:";
dc << "\n\tm_status = " << (long)dateSpanSrc.m_status;
COleVariant var(dateSpanSrc.m_span);
var.ChangeType(VT_BSTR);
return dc << "\n\tdateSpan = " << (LPCTSTR)var.bstrVal;
}
#endif // _DEBUG
#ifdef _with_archive_
CArchive& AFXAPI operator<<(CArchive& ar, COleDateTimeSpan dateSpanSrc)
{
ar << (long)dateSpanSrc.m_status;
return ar << dateSpanSrc.m_span;
}
CArchive& AFXAPI operator>>(CArchive& ar, COleDateTimeSpan& dateSpanSrc)
{
ar >> (long&)dateSpanSrc.m_status;
return ar >> dateSpanSrc.m_span;
}
#endif //_with_archive_
/////////////////////////////////////////////////////////////////////////////
// COleDateTime class HELPERS - implementation
BOOL OleDateFromTm(WORD wYear, WORD wMonth, WORD wDay,
WORD wHour, WORD wMinute, WORD wSecond, DATE& dtDest)
{
// Validate year and month (ignore day of week and milliseconds)
if (wYear > 9999 || wMonth < 1 || wMonth > 12)
return FALSE;
// Check for leap year and set the number of days in the month
BOOL bLeapYear = ((wYear & 3) == 0) &&
((wYear % 100) != 0 || (wYear % 400) == 0);
int nDaysInMonth =
rgMonthDays[wMonth] - rgMonthDays[wMonth-1] +
((bLeapYear && wDay == 29 && wMonth == 2) ? 1 : 0);
// Finish validating the date
if (wDay < 1 || wDay > nDaysInMonth ||
wHour > 23 || wMinute > 59 ||
wSecond > 59)
{
return FALSE;
}
// Cache the date in days and time in fractional days
long nDate;
double dblTime;
//It is a valid date; make Jan 1, 1AD be 1
nDate = wYear*365L + wYear/4 - wYear/100 + wYear/400 +
rgMonthDays[wMonth-1] + wDay;
// If leap year and it's before March, subtract 1:
if (wMonth <= 2 && bLeapYear)
--nDate;
// Offset so that 12/30/1899 is 0
nDate -= 693959L;
dblTime = (((long)wHour * 3600L) + // hrs in seconds
((long)wMinute * 60L) + // mins in seconds
((long)wSecond)) / 86400.;
dtDest = (double) nDate + ((nDate >= 0) ? dblTime : -dblTime);
return TRUE;
}
BOOL TmFromOleDate(DATE dtSrc, struct tm& tmDest)
{
// The legal range does not actually span year 0 to 9999.
if (dtSrc > MAX_DATE || dtSrc < MIN_DATE) // about year 100 to about 9999
return FALSE;
long nDays; // Number of days since Dec. 30, 1899
long nDaysAbsolute; // Number of days since 1/1/0
long nSecsInDay; // Time in seconds since midnight
long nMinutesInDay; // Minutes in day
long n400Years; // Number of 400 year increments since 1/1/0
long n400Century; // Century within 400 year block (0,1,2 or 3)
long n4Years; // Number of 4 year increments since 1/1/0
long n4Day; // Day within 4 year block
// (0 is 1/1/yr1, 1460 is 12/31/yr4)
long n4Yr; // Year within 4 year block (0,1,2 or 3)
BOOL bLeap4 = TRUE; // TRUE if 4 year block includes leap year
double dblDate = dtSrc; // tempory serial date
// If a valid date, then this conversion should not overflow
nDays = (long)dblDate;
// Round to the second
dblDate += ((dtSrc > 0.0) ? HALF_SECOND : -HALF_SECOND);
nDaysAbsolute = (long)dblDate + 693959L; // Add days from 1/1/0 to 12/30/1899
dblDate = fabs(dblDate);
nSecsInDay = (long)((dblDate - floor(dblDate)) * 86400.);
// Calculate the day of week (sun=1, mon=2...)
// -1 because 1/1/0 is Sat. +1 because we want 1-based
tmDest.tm_wday = (int)((nDaysAbsolute - 1) % 7L) + 1;
// Leap years every 4 yrs except centuries not multiples of 400.
n400Years = (long)(nDaysAbsolute / 146097L);
// Set nDaysAbsolute to day within 400-year block
nDaysAbsolute %= 146097L;
// -1 because first century has extra day
n400Century = (long)((nDaysAbsolute - 1) / 36524L);
// Non-leap century
if (n400Century != 0)
{
// Set nDaysAbsolute to day within century
nDaysAbsolute = (nDaysAbsolute - 1) % 36524L;
// +1 because 1st 4 year increment has 1460 days
n4Years = (long)((nDaysAbsolute + 1) / 1461L);
if (n4Years != 0)
n4Day = (long)((nDaysAbsolute + 1) % 1461L);
else
{
bLeap4 = FALSE;
n4Day = (long)nDaysAbsolute;
}
}
else
{
// Leap century - not special case!
n4Years = (long)(nDaysAbsolute / 1461L);
n4Day = (long)(nDaysAbsolute % 1461L);
}
if (bLeap4)
{
// -1 because first year has 366 days
n4Yr = (n4Day - 1) / 365;
if (n4Yr != 0)
n4Day = (n4Day - 1) % 365;
}
else
{
n4Yr = n4Day / 365;
n4Day %= 365;
}
// n4Day is now 0-based day of year. Save 1-based day of year, year number
tmDest.tm_yday = (int)n4Day + 1;
tmDest.tm_year = n400Years * 400 + n400Century * 100 + n4Years * 4 + n4Yr;
// Handle leap year: before, on, and after Feb. 29.
if (n4Yr == 0 && bLeap4)
{
// Leap Year
if (n4Day == 59)
{
/* Feb. 29 */
tmDest.tm_mon = 2;
tmDest.tm_mday = 29;
goto DoTime;
}
// Pretend it's not a leap year for month/day comp.
if (n4Day >= 60)
--n4Day;
}
// Make n4DaY a 1-based day of non-leap year and compute
// month/day for everything but Feb. 29.
++n4Day;
// Month number always >= n/32, so save some loop time */
for (tmDest.tm_mon = (n4Day >> 5) + 1;
n4Day > rgMonthDays[tmDest.tm_mon]; tmDest.tm_mon++);
tmDest.tm_mday = (int)(n4Day - rgMonthDays[tmDest.tm_mon-1]);
DoTime:
if (nSecsInDay == 0)
tmDest.tm_hour = tmDest.tm_min = tmDest.tm_sec = 0;
else
{
tmDest.tm_sec = (int)nSecsInDay % 60L;
nMinutesInDay = nSecsInDay / 60L;
tmDest.tm_min = (int)nMinutesInDay % 60;
tmDest.tm_hour = (int)nMinutesInDay / 60;
}
return TRUE;
}
void TmConvertToStandardFormat(struct tm& tmSrc)
{
// Convert afx internal tm to format expected by runtimes (_tcsftime, etc)
tmSrc.tm_year -= 1900; // year is based on 1900
tmSrc.tm_mon -= 1; // month of year is 0-based
tmSrc.tm_wday -= 1; // day of week is 0-based
tmSrc.tm_yday -= 1; // day of year is 0-based
}
double DoubleFromDate(DATE dt)
{
// No problem if positive
if (dt >= 0)
return dt;
// If negative, must convert since negative dates not continuous
// (examples: -1.25 to -.75, -1.50 to -.50, -1.75 to -.25)
double temp = ceil(dt);
return temp - (dt - temp);
}
DATE DateFromDouble(double dbl)
{
// No problem if positive
if (dbl >= 0)
return dbl;
// If negative, must convert since negative dates not continuous
// (examples: -.75 to -1.25, -.50 to -1.50, -.25 to -1.75)
double temp = floor(dbl); // dbl is now whole part
return temp + (temp - dbl);
}
/////////////////////////////////////////////////////////////////////////////
// COleSafeArray class
COleSafeArray::COleSafeArray(const SAFEARRAY& saSrc, VARTYPE vtSrc)
{
AfxSafeArrayInit(this);
vt = vtSrc | VT_ARRAY;
CheckError(::SafeArrayCopy((LPSAFEARRAY)&saSrc, &parray));
m_dwDims = GetDim();
m_dwElementSize = GetElemSize();
}
COleSafeArray::COleSafeArray(LPCSAFEARRAY pSrc, VARTYPE vtSrc)
{
AfxSafeArrayInit(this);
vt = vtSrc | VT_ARRAY;
CheckError(::SafeArrayCopy((LPSAFEARRAY)pSrc, &parray));
m_dwDims = GetDim();
m_dwElementSize = GetElemSize();
}
COleSafeArray::COleSafeArray(const COleSafeArray& saSrc)
{
AfxSafeArrayInit(this);
*this = saSrc;
m_dwDims = GetDim();
m_dwElementSize = GetElemSize();
}
COleSafeArray::COleSafeArray(const VARIANT& varSrc)
{
AfxSafeArrayInit(this);
*this = varSrc;
m_dwDims = GetDim();
m_dwElementSize = GetElemSize();
}
COleSafeArray::COleSafeArray(LPCVARIANT pSrc)
{
AfxSafeArrayInit(this);
*this = pSrc;
m_dwDims = GetDim();
m_dwElementSize = GetElemSize();
}
// Operations
void COleSafeArray::Attach(VARIANT& varSrc)
{
ASSERT(varSrc.vt & VT_ARRAY);
// Free up previous safe array if necessary
Clear();
// give control of data to COleSafeArray
memcpy(this, &varSrc, sizeof(varSrc));
varSrc.vt = VT_EMPTY;
}
VARIANT COleSafeArray::Detach()
{
VARIANT varResult = *this;
vt = VT_EMPTY;
return varResult;
}
// Assignment operators
COleSafeArray& COleSafeArray::operator=(const COleSafeArray& saSrc)
{
ASSERT(saSrc.vt & VT_ARRAY);
CheckError(::VariantCopy(this, (LPVARIANT)&saSrc));
return *this;
}
COleSafeArray& COleSafeArray::operator=(const VARIANT& varSrc)
{
ASSERT(varSrc.vt & VT_ARRAY);
CheckError(::VariantCopy(this, (LPVARIANT)&varSrc));
return *this;
}
COleSafeArray& COleSafeArray::operator=(LPCVARIANT pSrc)
{
ASSERT(pSrc->vt & VT_ARRAY);
CheckError(::VariantCopy(this, (LPVARIANT)pSrc));
return *this;
}
COleSafeArray& COleSafeArray::operator=(const COleVariant& varSrc)
{
ASSERT(varSrc.vt & VT_ARRAY);
CheckError(::VariantCopy(this, (LPVARIANT)&varSrc));
return *this;
}
// Comparison operators
BOOL COleSafeArray::operator==(const SAFEARRAY& saSrc) const
{
return CompareSafeArrays(parray, (LPSAFEARRAY)&saSrc);
}
BOOL COleSafeArray::operator==(LPCSAFEARRAY pSrc) const
{
return CompareSafeArrays(parray, (LPSAFEARRAY)pSrc);
}
BOOL COleSafeArray::operator==(const COleSafeArray& saSrc) const
{
if (vt != saSrc.vt)
return FALSE;
return CompareSafeArrays(parray, saSrc.parray);
}
BOOL COleSafeArray::operator==(const VARIANT& varSrc) const
{
if (vt != varSrc.vt)
return FALSE;
return CompareSafeArrays(parray, varSrc.parray);
}
BOOL COleSafeArray::operator==(LPCVARIANT pSrc) const
{
if (vt != pSrc->vt)
return FALSE;
return CompareSafeArrays(parray, pSrc->parray);
}
BOOL COleSafeArray::operator==(const COleVariant& varSrc) const
{
if (vt != varSrc.vt)
return FALSE;
return CompareSafeArrays(parray, varSrc.parray);
}
void COleSafeArray::CreateOneDim(VARTYPE vtSrc, DWORD dwElements,
void* pvSrcData, long nLBound)
{
ASSERT(dwElements > 0);
// Setup the bounds and create the array
SAFEARRAYBOUND rgsabound;
rgsabound.cElements = dwElements;
rgsabound.lLbound = nLBound;
Create(vtSrc, 1, &rgsabound);
// Copy over the data if neccessary
if (pvSrcData != NULL)
{
void* pvDestData;
AccessData(&pvDestData);
memcpy(pvDestData, pvSrcData, GetElemSize() * dwElements);
UnaccessData();
}
}
DWORD COleSafeArray::GetOneDimSize()
{
ASSERT(GetDim() == 1);
long nUBound, nLBound;
GetUBound(1, &nUBound);
GetLBound(1, &nLBound);
return nUBound + 1 - nLBound;
}
void COleSafeArray::ResizeOneDim(DWORD dwElements)
{
ASSERT(GetDim() == 1);
SAFEARRAYBOUND rgsabound;
rgsabound.cElements = dwElements;
rgsabound.lLbound = 0;
Redim(&rgsabound);
}
void COleSafeArray::Create(VARTYPE vtSrc, DWORD dwDims, DWORD* rgElements)
{
ASSERT(rgElements != NULL);
// Allocate and fill proxy array of bounds (with lower bound of zero)
SAFEARRAYBOUND* rgsaBounds = new SAFEARRAYBOUND[dwDims];
for (DWORD dwIndex = 0; dwIndex < dwDims; dwIndex++)
{
// Assume lower bound is 0 and fill in element count
rgsaBounds[dwIndex].lLbound = 0;
rgsaBounds[dwIndex].cElements = rgElements[dwIndex];
}
TRY
{
Create(vtSrc, dwDims, rgsaBounds);
}
CATCH_ALL(e)
{
// Must free up memory
delete [] rgsaBounds;
THROW_LAST();
}
END_CATCH_ALL
delete [] rgsaBounds;
}
void COleSafeArray::Create(VARTYPE vtSrc, DWORD dwDims, SAFEARRAYBOUND* rgsabound)
{
ASSERT(dwDims > 0);
ASSERT(rgsabound != NULL);
// Validate the VARTYPE for SafeArrayCreate call
ASSERT(!(vtSrc & VT_ARRAY));
ASSERT(!(vtSrc & VT_BYREF));
ASSERT(!(vtSrc & VT_VECTOR));
ASSERT(vtSrc != VT_EMPTY);
ASSERT(vtSrc != VT_NULL);
// Free up old safe array if necessary
Clear();
parray = ::SafeArrayCreate(vtSrc, dwDims, rgsabound);
if (parray == NULL)
AfxThrowMemoryException();
vt = unsigned short(vtSrc | VT_ARRAY);
m_dwDims = dwDims;
m_dwElementSize = GetElemSize();
}
void COleSafeArray::AccessData(void** ppvData)
{
CheckError(::SafeArrayAccessData(parray, ppvData));
}
void COleSafeArray::UnaccessData()
{
CheckError(::SafeArrayUnaccessData(parray));
}
void COleSafeArray::AllocData()
{
CheckError(::SafeArrayAllocData(parray));
}
void COleSafeArray::AllocDescriptor(DWORD dwDims)
{
CheckError(::SafeArrayAllocDescriptor(dwDims, &parray));
}
void COleSafeArray::Copy(LPSAFEARRAY* ppsa)
{
CheckError(::SafeArrayCopy(parray, ppsa));
}
void COleSafeArray::GetLBound(DWORD dwDim, long* pLbound)
{
CheckError(::SafeArrayGetLBound(parray, dwDim, pLbound));
}
void COleSafeArray::GetUBound(DWORD dwDim, long* pUbound)
{
CheckError(::SafeArrayGetUBound(parray, dwDim, pUbound));
}
void COleSafeArray::GetElement(long* rgIndices, void* pvData)
{
CheckError(::SafeArrayGetElement(parray, rgIndices, pvData));
}
void COleSafeArray::PtrOfIndex(long* rgIndices, void** ppvData)
{
CheckError(::SafeArrayPtrOfIndex(parray, rgIndices, ppvData));
}
void COleSafeArray::PutElement(long* rgIndices, void* pvData)
{
CheckError(::SafeArrayPutElement(parray, rgIndices, pvData));
}
void COleSafeArray::Redim(SAFEARRAYBOUND* psaboundNew)
{
CheckError(::SafeArrayRedim(parray, psaboundNew));
}
void COleSafeArray::Lock()
{
CheckError(::SafeArrayLock(parray));
}
void COleSafeArray::Unlock()
{
CheckError(::SafeArrayUnlock(parray));
}
void COleSafeArray::Destroy()
{
CheckError(::SafeArrayDestroy(parray));
}
void COleSafeArray::DestroyData()
{
CheckError(::SafeArrayDestroyData(parray));
}
void COleSafeArray::DestroyDescriptor()
{
CheckError(::SafeArrayDestroyDescriptor(parray));
}
///////////////////////////////////////////////////////////////////////////////
// COleSafeArray Helpers
void AFXAPI AfxSafeArrayInit(COleSafeArray* psa)
{
memset(psa, 0, sizeof(*psa));
}
/////////////////////////////////////////////////////////////////////////////
// Simple field formatting to text item - see dlgdata.cpp for base types
void AFXAPI DDX_Text(CDataExchange* pDX, int nIDC, COleDateTime& value)
{
HWND hWndCtrl = pDX->PrepareEditCtrl(nIDC);
if (pDX->m_bSaveAndValidate)
{
int nLen = ::GetWindowTextLength(hWndCtrl);
CString strTemp;
::GetWindowText(hWndCtrl, strTemp.GetBufferSetLength(nLen), nLen+1);
strTemp.ReleaseBuffer();
if (!value.ParseDateTime(strTemp)) // throws exception
{
// Can't convert string to datetime
AfxMessageBox(AFX_IDP_PARSE_DATETIME);
pDX->Fail(); // throws exception
}
}
else
{
CString strTemp = value.Format();
AfxSetWindowText(hWndCtrl, strTemp);
}
}
void AFXAPI DDX_Text(CDataExchange* pDX, int nIDC, COleCurrency& value)
{
HWND hWndCtrl = pDX->PrepareEditCtrl(nIDC);
if (pDX->m_bSaveAndValidate)
{
int nLen = ::GetWindowTextLength(hWndCtrl);
CString strTemp;
::GetWindowText(hWndCtrl, strTemp.GetBufferSetLength(nLen), nLen+1);
strTemp.ReleaseBuffer();
if (!value.ParseCurrency(strTemp)) // throws exception
{
// Can't convert string to currency
AfxMessageBox(AFX_IDP_PARSE_CURRENCY);
pDX->Fail(); // throws exception
}
}
else
{
CString strTemp = value.Format();
AfxSetWindowText(hWndCtrl, strTemp);
}
}
/////////////////////////////////////////////////////////////////////////////
#endif //_CURRENCY_ALSO_
//+---------------------------------------------------------------------------
//
// Method: COleVariant::Save
//
// Synopsis: saves a variant to a stream
//
// Arguments: [pStm] --
// [fClearDirty] --
//
// Returns:
//
// History: 1-15-1997 JohannP (Johann Posch) Created
//
// Notes: BUGBUG:NOT COMPLETE!
//
//----------------------------------------------------------------------------
HRESULT COleVariant::Save(IStream *pStm, BOOL fClearDirty)
{
LPVARIANT pSrc = (LPVARIANT)this;
HRESULT hr = NOERROR;
ULONG cbSaved;
COleVariant CVar;
if (pSrc->vt & VT_BYREF || pSrc->vt & VT_ARRAY)
{
// No support for VT_BYREF & VT_ARRAY
pSrc = (LPVARIANT)&CVar;
}
// write the variant
hr = pStm->Write(pSrc, sizeof(VARIANT), &cbSaved);
TransAssert(( sizeof(VARIANT) == cbSaved));
if (hr == NOERROR)
{
switch (pSrc->vt)
{
case VT_DISPATCH:
TransAssert((FALSE));
hr = E_FAIL;
break;
case VT_UNKNOWN:
{
ULONG cbInterface = 0;
IUnknown *pUnk = pSrc->punkVal;
hr = CoGetMarshalSizeMax(&cbInterface, IID_IUnknown, pUnk, MSHCTX_LOCAL, 0, MSHLFLAGS_NORMAL);
if (hr == S_OK)
{
// write the size of
hr = pStm->Write(&cbInterface, sizeof(ULONG), &cbSaved);
// need to marshal table strong
hr = CoMarshalInterface(pStm, IID_IUnknown, pUnk, MSHCTX_LOCAL, 0, MSHLFLAGS_NORMAL);
}
}
break;
default:
case VT_EMPTY:
case VT_NULL:
// do nothing
break;
case VT_BSTR:
{
DWORD nLen = SysStringByteLen(pSrc->bstrVal);
hr = pStm->Write(&nLen, sizeof(DWORD), &cbSaved);
if ( (hr == NOERROR)
&& (nLen > 0))
{
hr = pStm->Write(pSrc->bstrVal, nLen * sizeof(BYTE), &cbSaved);
}
}
break;
#ifdef _unused_
case VT_BOOL:
hr = pStm->Write((WORD)V_BOOL(pSrc), sizeof(WORD), &cbSaved);
break;
case VT_UI1:
hr = pStm->Write(pSrc->bVal, sizeof(WORD), &cbSaved);
break;
case VT_I2:
hr = pStm->Write((WORD)pSrc->iVal, sizeof(WORD), &cbSaved);
break;
case VT_I4:
hr = pStm->Write(pSrc->lVal, sizeof(DWORD), &cbSaved);
break;
case VT_CY:
hr = pStm->Write(pSrc->cyVal.Lo, sizeof(WORD), &cbSaved);
hr = pStm->Write(pSrc->cyVal.Hi, sizeof(WORD), &cbSaved);
break;
case VT_R4:
hr = pStm->Write(pSrc->fltVal, sizeof(WORD), &cbSaved);
break;
case VT_R8:
hr = pStm->Write(pSrc->dblVal, sizeof(DOUBLE), &cbSaved);
break;
case VT_DATE:
hr = pStm->Write(pSrc->date;
break;
case VT_ERROR:
hr = pStm->Write(pSrc->scode;
break;
#endif //_unused_
}
}
return hr;
}
//+---------------------------------------------------------------------------
//
// Method: COleVariant::Load
//
// Synopsis: loads a variant from a stream
//
// Arguments: [pStm] --
//
// Returns:
//
// History: 1-15-1997 JohannP (Johann Posch) Created
//
// Notes: BUGBUG:NOT COMPLETE!
//
//----------------------------------------------------------------------------
HRESULT COleVariant::Load(IStream *pStm)
{
LPVARIANT pSrc = (LPVARIANT)this;
HRESULT hr = NOERROR;
ULONG cbSaved;
COleVariant CVar;
// Read the variant
hr = pStm->Read(pSrc, sizeof(VARIANT), &cbSaved);
TransAssert(( sizeof(VARIANT) == cbSaved));
if (pSrc->vt & VT_BYREF || pSrc->vt & VT_ARRAY)
{
// No support for VT_BYREF & VT_ARRAY
pSrc = (LPVARIANT)&CVar;
}
if (hr == NOERROR)
{
switch (pSrc->vt)
{
case VT_DISPATCH:
TransAssert((FALSE));
hr = E_FAIL;
break;
case VT_UNKNOWN:
{
ULONG cbInterface = 0;
IUnknown *pUnk = 0;
// write the size of
hr = pStm->Read(&cbInterface, sizeof(ULONG), &cbSaved);
if ( (hr == S_OK)
&& cbInterface)
{
hr = CoUnmarshalInterface(pStm, IID_IUnknown, (void **) &pUnk);
if(hr == S_OK)
{
pSrc->punkVal = pUnk;
}
else
{
pSrc->punkVal = 0;
}
}
else
{
pSrc->punkVal = 0;
}
hr = NOERROR;
}
break;
default:
case VT_EMPTY:
case VT_NULL:
// do nothing
break;
case VT_BSTR:
{
DWORD nLen = 0;
hr = pStm->Read(&nLen, sizeof(DWORD), &cbSaved);
if (nLen > 0)
{
pSrc->bstrVal = SysAllocStringByteLen(NULL, nLen);
if (pSrc->bstrVal)
{
hr = pStm->Read(pSrc->bstrVal, nLen * sizeof(BYTE), &cbSaved);
}
else
{
hr = E_OUTOFMEMORY;
}
}
}
break;
#ifdef _unused_
case VT_BOOL:
hr = pStm->Read((WORD)V_BOOL(pSrc), sizeof(WORD), &cbSaved);
break;
case VT_UI1:
hr = pStm->Read(pSrc->bVal, sizeof(WORD), &cbSaved);
break;
case VT_I2:
hr = pStm->Read((WORD)pSrc->iVal, sizeof(WORD), &cbSaved);
break;
case VT_I4:
hr = pStm->Read(pSrc->lVal, sizeof(DWORD), &cbSaved);
break;
case VT_CY:
hr = pStm->Read(pSrc->cyVal.Lo, sizeof(WORD), &cbSaved);
hr = pStm->Read(pSrc->cyVal.Hi, sizeof(WORD), &cbSaved);
break;
case VT_R4:
hr = pStm->Read(pSrc->fltVal, sizeof(WORD), &cbSaved);
break;
case VT_R8:
hr = pStm->Read(pSrc->dblVal, sizeof(DOUBLE), &cbSaved);
break;
case VT_DATE:
hr = pStm->Read(pSrc->date;
break;
case VT_ERROR:
hr = pStm->Read(pSrc->scode;
break;
#endif //_unused_
}
}
return hr;
}