summaryrefslogtreecommitdiffstats
path: root/other-licenses/7zstub/src/Windows/PropVariant.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'other-licenses/7zstub/src/Windows/PropVariant.cpp')
-rw-r--r--other-licenses/7zstub/src/Windows/PropVariant.cpp310
1 files changed, 310 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/Windows/PropVariant.cpp b/other-licenses/7zstub/src/Windows/PropVariant.cpp
new file mode 100644
index 000000000..a4bfdd35b
--- /dev/null
+++ b/other-licenses/7zstub/src/Windows/PropVariant.cpp
@@ -0,0 +1,310 @@
+// 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;
+}
+
+CPropVariant& CPropVariant::operator=(LPCOLESTR lpszSrc)
+{
+ InternalClear();
+ vt = VT_BSTR;
+ bstrVal = ::SysAllocString(lpszSrc);
+ if (bstrVal == NULL && lpszSrc != NULL)
+ {
+ vt = VT_ERROR;
+ scode = E_OUTOFMEMORY;
+ }
+ return *this;
+}
+
+
+CPropVariant& CPropVariant::operator=(bool bSrc)
+{
+ if (vt != VT_BOOL)
+ {
+ InternalClear();
+ vt = VT_BOOL;
+ }
+ boolVal = bSrc ? VARIANT_TRUE : VARIANT_FALSE;
+ return *this;
+}
+
+CPropVariant& CPropVariant::operator=(UInt32 value)
+{
+ if (vt != VT_UI4)
+ {
+ InternalClear();
+ vt = VT_UI4;
+ }
+ ulVal = value;
+ return *this;
+}
+
+CPropVariant& CPropVariant::operator=(UInt64 value)
+{
+ if (vt != VT_UI8)
+ {
+ InternalClear();
+ vt = VT_UI8;
+ }
+ uhVal.QuadPart = value;
+ return *this;
+}
+
+CPropVariant& CPropVariant::operator=(const FILETIME &value)
+{
+ if (vt != VT_FILETIME)
+ {
+ InternalClear();
+ vt = VT_FILETIME;
+ }
+ filetime = value;
+ return *this;
+}
+
+CPropVariant& CPropVariant::operator=(Int32 value)
+{
+ if (vt != VT_I4)
+ {
+ InternalClear();
+ vt = VT_I4;
+ }
+ lVal = value;
+
+ return *this;
+}
+
+CPropVariant& CPropVariant::operator=(Byte value)
+{
+ if (vt != VT_UI1)
+ {
+ InternalClear();
+ vt = VT_UI1;
+ }
+ bVal = value;
+ return *this;
+}
+
+CPropVariant& CPropVariant::operator=(Int16 value)
+{
+ if (vt != VT_I2)
+ {
+ InternalClear();
+ vt = VT_I2;
+ }
+ iVal = value;
+ return *this;
+}
+
+/*
+CPropVariant& CPropVariant::operator=(LONG value)
+{
+ if (vt != VT_I4)
+ {
+ InternalClear();
+ vt = VT_I4;
+ }
+ lVal = value;
+ return *this;
+}
+*/
+
+static HRESULT MyPropVariantClear(PROPVARIANT *propVariant)
+{
+ switch(propVariant->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:
+ propVariant->vt = VT_EMPTY;
+ return S_OK;
+ }
+ return ::VariantClear((VARIANTARG *)propVariant);
+}
+
+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 *)(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))
+ {
+ vt = VT_ERROR;
+ scode = hr;
+ }
+}
+
+int CPropVariant::Compare(const CPropVariant &a)
+{
+ if(vt != a.vt)
+ return 0; // it's mean some bug
+ 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_INT:
+ return MyCompare(intVal, a.intVal);
+ */
+ 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;
+ }
+}
+
+}}