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// Windows/PropVariant.h
#ifndef ZIP7_INC_WINDOWS_PROP_VARIANT_H
#define ZIP7_INC_WINDOWS_PROP_VARIANT_H
#include "../Common/MyTypes.h"
#include "../Common/MyWindows.h"
#include "../Common/MyString.h"
namespace NWindows {
namespace NCOM {
BSTR AllocBstrFromAscii(const char *s) throw();
HRESULT PropVariant_Clear(PROPVARIANT *p) throw();
HRESULT PropVarEm_Alloc_Bstr(PROPVARIANT *p, unsigned numChars) throw();
HRESULT PropVarEm_Set_Str(PROPVARIANT *p, const char *s) throw();
inline void PropVarEm_Set_UInt32(PROPVARIANT *p, UInt32 v) throw()
{
p->vt = VT_UI4;
p->ulVal = v;
}
inline void PropVarEm_Set_UInt64(PROPVARIANT *p, UInt64 v) throw()
{
p->vt = VT_UI8;
p->uhVal.QuadPart = v;
}
inline void PropVarEm_Set_FileTime64_Prec(PROPVARIANT *p, UInt64 v, unsigned prec) throw()
{
p->vt = VT_FILETIME;
p->filetime.dwLowDateTime = (DWORD)v;
p->filetime.dwHighDateTime = (DWORD)(v >> 32);
p->wReserved1 = (WORD)prec;
p->wReserved2 = 0;
p->wReserved3 = 0;
}
inline void PropVarEm_Set_Bool(PROPVARIANT *p, bool b) throw()
{
p->vt = VT_BOOL;
p->boolVal = (b ? VARIANT_TRUE : VARIANT_FALSE);
}
class CPropVariant : public tagPROPVARIANT
{
// ---------- forbidden functions ----------
CPropVariant(const char *s);
// CPropVariant(const UString &s);
#ifdef DEBUG_FSTRING_INHERITS_ASTRING
CPropVariant(const FString &s);
CPropVariant& operator=(const FString &s);
#endif
public:
CPropVariant()
{
vt = VT_EMPTY;
wReserved1 = 0;
// wReserved2 = 0;
// wReserved3 = 0;
// uhVal.QuadPart = 0;
bstrVal = NULL;
}
void Set_FtPrec(unsigned prec)
{
wReserved1 = (WORD)prec;
wReserved2 = 0;
wReserved3 = 0;
}
void SetAsTimeFrom_FT_Prec(const FILETIME &ft, unsigned prec)
{
operator=(ft);
Set_FtPrec(prec);
}
void SetAsTimeFrom_Ft64_Prec(UInt64 v, unsigned prec)
{
FILETIME ft;
ft.dwLowDateTime = (DWORD)(UInt32)v;
ft.dwHighDateTime = (DWORD)(UInt32)(v >> 32);
operator=(ft);
Set_FtPrec(prec);
}
void SetAsTimeFrom_FT_Prec_Ns100(const FILETIME &ft, unsigned prec, unsigned ns100)
{
operator=(ft);
wReserved1 = (WORD)prec;
wReserved2 = (WORD)ns100;
wReserved3 = 0;
}
unsigned Get_Ns100() const
{
const unsigned prec = wReserved1;
const unsigned ns100 = wReserved2;
if (prec == 0
&& prec <= k_PropVar_TimePrec_1ns
&& ns100 < 100
&& wReserved3 == 0)
return ns100;
return 0;
}
~CPropVariant() throw();
CPropVariant(const PROPVARIANT &varSrc);
CPropVariant(const CPropVariant &varSrc);
CPropVariant(BSTR bstrSrc);
CPropVariant(LPCOLESTR lpszSrc);
CPropVariant(bool bSrc) { vt = VT_BOOL; wReserved1 = 0; boolVal = (bSrc ? VARIANT_TRUE : VARIANT_FALSE); }
CPropVariant(Byte value) { vt = VT_UI1; wReserved1 = 0; bVal = value; }
private:
CPropVariant(UInt16 value); // { vt = VT_UI2; wReserved1 = 0; uiVal = value; }
CPropVariant(Int16 value); // { vt = VT_I2; wReserved1 = 0; iVal = value; }
CPropVariant(Int32 value); // { vt = VT_I4; wReserved1 = 0; lVal = value; }
CPropVariant(Int64 value); // { vt = VT_I8; wReserved1 = 0; hVal.QuadPart = value; }
public:
CPropVariant(UInt32 value) { vt = VT_UI4; wReserved1 = 0; ulVal = value; }
CPropVariant(UInt64 value) { vt = VT_UI8; wReserved1 = 0; uhVal.QuadPart = value; }
CPropVariant(const FILETIME &value) { vt = VT_FILETIME; wReserved1 = 0; filetime = value; }
CPropVariant& operator=(const CPropVariant &varSrc);
CPropVariant& operator=(const PROPVARIANT &varSrc);
CPropVariant& operator=(BSTR bstrSrc);
CPropVariant& operator=(LPCOLESTR lpszSrc);
CPropVariant& operator=(const UString &s);
CPropVariant& operator=(const UString2 &s);
CPropVariant& operator=(const char *s);
CPropVariant& operator=(const AString &s)
{ return (*this)=(const char *)s; }
CPropVariant& operator=(bool bSrc) throw();
CPropVariant& operator=(Byte value) throw();
private:
CPropVariant& operator=(Int16 value) throw();
CPropVariant& operator=(UInt16 value) throw();
CPropVariant& operator=(Int32 value) throw();
CPropVariant& operator=(Int64 value) throw();
public:
CPropVariant& operator=(UInt32 value) throw();
CPropVariant& operator=(UInt64 value) throw();
CPropVariant& operator=(const FILETIME &value) throw();
void Set_Int32(Int32 value) throw();
void Set_Int64(Int64 value) throw();
BSTR AllocBstr(unsigned numChars);
HRESULT Clear() throw();
HRESULT Copy(const PROPVARIANT *pSrc) throw();
HRESULT Attach(PROPVARIANT *pSrc) throw();
HRESULT Detach(PROPVARIANT *pDest) throw();
HRESULT InternalClear() throw();
void InternalCopy(const PROPVARIANT *pSrc);
int Compare(const CPropVariant &a) throw();
};
}}
#endif
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