diff options
Diffstat (limited to 'src/libs/7zip/unix/CPP/Windows/PropVariant.cpp')
| -rw-r--r-- | src/libs/7zip/unix/CPP/Windows/PropVariant.cpp | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/src/libs/7zip/unix/CPP/Windows/PropVariant.cpp b/src/libs/7zip/unix/CPP/Windows/PropVariant.cpp new file mode 100644 index 000000000..90212e08f --- /dev/null +++ b/src/libs/7zip/unix/CPP/Windows/PropVariant.cpp @@ -0,0 +1,243 @@ +// Windows/PropVariant.cpp + +#include "StdAfx.h" + +#include "PropVariant.h" + +#include "../Common/Defs.h" + +namespace NWindows { +namespace NCOM { + +CPropVariant::CPropVariant(const PROPVARIANT &varSrc) +{ + vt = VT_EMPTY; + InternalCopy(&varSrc); +} + +CPropVariant::CPropVariant(const CPropVariant &varSrc) +{ + vt = VT_EMPTY; + InternalCopy(&varSrc); +} + +CPropVariant::CPropVariant(BSTR bstrSrc) +{ + vt = VT_EMPTY; + *this = bstrSrc; +} + +CPropVariant::CPropVariant(LPCOLESTR lpszSrc) +{ + vt = VT_EMPTY; + *this = lpszSrc; +} + +CPropVariant& CPropVariant::operator=(const CPropVariant &varSrc) +{ + InternalCopy(&varSrc); + return *this; +} +CPropVariant& CPropVariant::operator=(const PROPVARIANT &varSrc) +{ + InternalCopy(&varSrc); + return *this; +} + +CPropVariant& CPropVariant::operator=(BSTR bstrSrc) +{ + *this = (LPCOLESTR)bstrSrc; + return *this; +} + +static const char *kMemException = "out of memory"; + +CPropVariant& CPropVariant::operator=(LPCOLESTR lpszSrc) +{ + InternalClear(); + vt = VT_BSTR; + wReserved1 = 0; + bstrVal = ::SysAllocString(lpszSrc); + if (bstrVal == NULL && lpszSrc != NULL) + { + throw kMemException; + // vt = VT_ERROR; + // scode = E_OUTOFMEMORY; + } + return *this; +} + + +CPropVariant& CPropVariant::operator=(const char *s) +{ + InternalClear(); + vt = VT_BSTR; + wReserved1 = 0; + UINT len = (UINT)strlen(s); + bstrVal = ::SysAllocStringByteLen(0, (UINT)len * sizeof(OLECHAR)); + if (bstrVal == NULL) + { + throw kMemException; + // vt = VT_ERROR; + // scode = E_OUTOFMEMORY; + } + else + { + for (UINT i = 0; i <= len; i++) + bstrVal[i] = s[i]; + } + return *this; +} + +CPropVariant& CPropVariant::operator=(bool bSrc) +{ + if (vt != VT_BOOL) + { + InternalClear(); + vt = VT_BOOL; + } + boolVal = bSrc ? VARIANT_TRUE : VARIANT_FALSE; + return *this; +} + +#define SET_PROP_FUNC(type, id, dest) \ + CPropVariant& CPropVariant::operator=(type value) \ + { if (vt != id) { InternalClear(); vt = id; } \ + dest = value; return *this; } + +SET_PROP_FUNC(Byte, VT_UI1, bVal) +SET_PROP_FUNC(Int16, VT_I2, iVal) +SET_PROP_FUNC(Int32, VT_I4, lVal) +SET_PROP_FUNC(UInt32, VT_UI4, ulVal) +SET_PROP_FUNC(UInt64, VT_UI8, uhVal.QuadPart) +SET_PROP_FUNC(const FILETIME &, VT_FILETIME, filetime) + +static HRESULT MyPropVariantClear(PROPVARIANT *prop) +{ + switch(prop->vt) + { + case VT_UI1: + case VT_I1: + case VT_I2: + case VT_UI2: + case VT_BOOL: + case VT_I4: + case VT_UI4: + case VT_R4: + case VT_INT: + case VT_UINT: + case VT_ERROR: + case VT_FILETIME: + case VT_UI8: + case VT_R8: + case VT_CY: + case VT_DATE: + prop->vt = VT_EMPTY; + prop->wReserved1 = 0; + return S_OK; + } + return ::VariantClear((VARIANTARG *)prop); +} + +HRESULT CPropVariant::Clear() +{ + return MyPropVariantClear(this); +} + +HRESULT CPropVariant::Copy(const PROPVARIANT* pSrc) +{ + ::VariantClear((tagVARIANT *)this); + switch(pSrc->vt) + { + case VT_UI1: + case VT_I1: + case VT_I2: + case VT_UI2: + case VT_BOOL: + case VT_I4: + case VT_UI4: + case VT_R4: + case VT_INT: + case VT_UINT: + case VT_ERROR: + case VT_FILETIME: + case VT_UI8: + case VT_R8: + case VT_CY: + case VT_DATE: + memmove((PROPVARIANT*)this, pSrc, sizeof(PROPVARIANT)); + return S_OK; + } + return ::VariantCopy((tagVARIANT *)this, (tagVARIANT *)const_cast<PROPVARIANT *>(pSrc)); +} + + +HRESULT CPropVariant::Attach(PROPVARIANT *pSrc) +{ + HRESULT hr = Clear(); + if (FAILED(hr)) + return hr; + memcpy(this, pSrc, sizeof(PROPVARIANT)); + pSrc->vt = VT_EMPTY; + return S_OK; +} + +HRESULT CPropVariant::Detach(PROPVARIANT *pDest) +{ + HRESULT hr = MyPropVariantClear(pDest); + if (FAILED(hr)) + return hr; + memcpy(pDest, this, sizeof(PROPVARIANT)); + vt = VT_EMPTY; + return S_OK; +} + +HRESULT CPropVariant::InternalClear() +{ + HRESULT hr = Clear(); + if (FAILED(hr)) + { + vt = VT_ERROR; + scode = hr; + } + return hr; +} + +void CPropVariant::InternalCopy(const PROPVARIANT *pSrc) +{ + HRESULT hr = Copy(pSrc); + if (FAILED(hr)) + { + if (hr == E_OUTOFMEMORY) + throw kMemException; + vt = VT_ERROR; + scode = hr; + } +} + +int CPropVariant::Compare(const CPropVariant &a) +{ + if (vt != a.vt) + return MyCompare(vt, a.vt); + switch (vt) + { + case VT_EMPTY: return 0; + // case VT_I1: return MyCompare(cVal, a.cVal); + case VT_UI1: return MyCompare(bVal, a.bVal); + case VT_I2: return MyCompare(iVal, a.iVal); + case VT_UI2: return MyCompare(uiVal, a.uiVal); + case VT_I4: return MyCompare(lVal, a.lVal); + case VT_UI4: return MyCompare(ulVal, a.ulVal); + // case VT_UINT: return MyCompare(uintVal, a.uintVal); + case VT_I8: return MyCompare(hVal.QuadPart, a.hVal.QuadPart); + case VT_UI8: return MyCompare(uhVal.QuadPart, a.uhVal.QuadPart); + case VT_BOOL: return -MyCompare(boolVal, a.boolVal); + case VT_FILETIME: return ::CompareFileTime(&filetime, &a.filetime); + case VT_BSTR: + return 0; // Not implemented + // return MyCompare(aPropVarint.cVal); + default: return 0; + } +} + +}} |