mirror of
https://github.com/reactos/reactos.git
synced 2024-08-18 09:28:36 +00:00
917 lines
22 KiB
C
917 lines
22 KiB
C
/*
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* PropVariant implementation
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*
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* Copyright 2008 James Hawkins for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define NONAMELESSUNION
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "winreg.h"
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#include "winuser.h"
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#include "shlobj.h"
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#include "propvarutil.h"
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#include "strsafe.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(propsys);
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static HRESULT PROPVAR_ConvertFILETIME(const FILETIME *ft, PROPVARIANT *ppropvarDest, VARTYPE vt)
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{
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SYSTEMTIME time;
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FileTimeToSystemTime(ft, &time);
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switch (vt)
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{
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case VT_LPSTR:
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ppropvarDest->u.pszVal = HeapAlloc(GetProcessHeap(), 0, 64);
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if (!ppropvarDest->u.pszVal)
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return E_OUTOFMEMORY;
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sprintf( ppropvarDest->u.pszVal, "%04d/%02d/%02d:%02d:%02d:%02d.%03d",
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time.wYear, time.wMonth, time.wDay,
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time.wHour, time.wMinute, time.wSecond,
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time.wMilliseconds );
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return S_OK;
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default:
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FIXME("Unhandled target type: %d\n", vt);
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}
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return E_FAIL;
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}
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static HRESULT PROPVAR_ConvertNumber(REFPROPVARIANT pv, int dest_bits,
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BOOL dest_signed, LONGLONG *res)
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{
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BOOL src_signed;
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switch (pv->vt)
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{
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case VT_I1:
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src_signed = TRUE;
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*res = pv->u.cVal;
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break;
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case VT_UI1:
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src_signed = FALSE;
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*res = pv->u.bVal;
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break;
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case VT_I2:
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src_signed = TRUE;
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*res = pv->u.iVal;
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break;
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case VT_UI2:
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src_signed = FALSE;
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*res = pv->u.uiVal;
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break;
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case VT_I4:
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src_signed = TRUE;
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*res = pv->u.lVal;
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break;
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case VT_UI4:
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src_signed = FALSE;
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*res = pv->u.ulVal;
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break;
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case VT_I8:
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src_signed = TRUE;
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*res = pv->u.hVal.QuadPart;
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break;
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case VT_UI8:
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src_signed = FALSE;
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*res = pv->u.uhVal.QuadPart;
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break;
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case VT_EMPTY:
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src_signed = FALSE;
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*res = 0;
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break;
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case VT_LPSTR:
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{
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char *end;
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*res = _strtoi64(pv->u.pszVal, &end, 0);
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if (pv->u.pszVal == end)
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return DISP_E_TYPEMISMATCH;
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src_signed = *res < 0;
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break;
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}
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case VT_LPWSTR:
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case VT_BSTR:
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{
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WCHAR *end;
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*res = wcstol(pv->u.pwszVal, &end, 0);
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if (pv->u.pwszVal == end)
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return DISP_E_TYPEMISMATCH;
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src_signed = *res < 0;
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break;
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}
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case VT_R8:
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{
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src_signed = TRUE;
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*res = pv->u.dblVal;
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break;
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}
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default:
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FIXME("unhandled vt %d\n", pv->vt);
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return E_NOTIMPL;
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}
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if (*res < 0 && src_signed != dest_signed)
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return HRESULT_FROM_WIN32(ERROR_ARITHMETIC_OVERFLOW);
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if (dest_bits < 64)
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{
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if (dest_signed)
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{
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if (*res >= ((LONGLONG)1 << (dest_bits-1)) ||
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*res < ((LONGLONG)-1 << (dest_bits-1)))
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return HRESULT_FROM_WIN32(ERROR_ARITHMETIC_OVERFLOW);
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}
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else
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{
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if ((ULONGLONG)(*res) >= ((ULONGLONG)1 << dest_bits))
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return HRESULT_FROM_WIN32(ERROR_ARITHMETIC_OVERFLOW);
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}
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}
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return S_OK;
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}
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HRESULT WINAPI PropVariantToDouble(REFPROPVARIANT propvarIn, double *ret)
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{
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LONGLONG res;
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HRESULT hr;
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TRACE("(%p, %p)\n", propvarIn, ret);
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hr = PROPVAR_ConvertNumber(propvarIn, 64, TRUE, &res);
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if (SUCCEEDED(hr)) *ret = (double)res;
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return hr;
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}
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HRESULT WINAPI PropVariantToInt16(REFPROPVARIANT propvarIn, SHORT *ret)
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{
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LONGLONG res;
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HRESULT hr;
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TRACE("%p,%p\n", propvarIn, ret);
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hr = PROPVAR_ConvertNumber(propvarIn, 16, TRUE, &res);
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if (SUCCEEDED(hr)) *ret = (SHORT)res;
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return hr;
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}
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HRESULT WINAPI PropVariantToInt32(REFPROPVARIANT propvarIn, LONG *ret)
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{
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LONGLONG res;
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HRESULT hr;
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TRACE("%p,%p\n", propvarIn, ret);
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hr = PROPVAR_ConvertNumber(propvarIn, 32, TRUE, &res);
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if (SUCCEEDED(hr)) *ret = (LONG)res;
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return hr;
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}
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HRESULT WINAPI PropVariantToInt64(REFPROPVARIANT propvarIn, LONGLONG *ret)
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{
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LONGLONG res;
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HRESULT hr;
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TRACE("%p,%p\n", propvarIn, ret);
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hr = PROPVAR_ConvertNumber(propvarIn, 64, TRUE, &res);
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if (SUCCEEDED(hr)) *ret = res;
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return hr;
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}
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HRESULT WINAPI PropVariantToUInt16(REFPROPVARIANT propvarIn, USHORT *ret)
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{
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LONGLONG res;
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HRESULT hr;
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TRACE("%p,%p\n", propvarIn, ret);
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hr = PROPVAR_ConvertNumber(propvarIn, 16, FALSE, &res);
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if (SUCCEEDED(hr)) *ret = (USHORT)res;
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return hr;
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}
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HRESULT WINAPI PropVariantToUInt32(REFPROPVARIANT propvarIn, ULONG *ret)
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{
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LONGLONG res;
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HRESULT hr;
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TRACE("%p,%p\n", propvarIn, ret);
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hr = PROPVAR_ConvertNumber(propvarIn, 32, FALSE, &res);
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if (SUCCEEDED(hr)) *ret = (ULONG)res;
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return hr;
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}
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HRESULT WINAPI PropVariantToUInt64(REFPROPVARIANT propvarIn, ULONGLONG *ret)
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{
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LONGLONG res;
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HRESULT hr;
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TRACE("%p,%p\n", propvarIn, ret);
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hr = PROPVAR_ConvertNumber(propvarIn, 64, FALSE, &res);
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if (SUCCEEDED(hr)) *ret = (ULONGLONG)res;
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return hr;
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}
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HRESULT WINAPI PropVariantToBoolean(REFPROPVARIANT propvarIn, BOOL *ret)
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{
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static const WCHAR trueW[] = {'t','r','u','e',0};
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static const WCHAR falseW[] = {'f','a','l','s','e',0};
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static const WCHAR true2W[] = {'#','T','R','U','E','#',0};
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static const WCHAR false2W[] = {'#','F','A','L','S','E','#',0};
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LONGLONG res;
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HRESULT hr;
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TRACE("%p,%p\n", propvarIn, ret);
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*ret = FALSE;
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switch (propvarIn->vt)
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{
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case VT_BOOL:
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*ret = propvarIn->u.boolVal == VARIANT_TRUE;
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return S_OK;
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case VT_LPWSTR:
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case VT_BSTR:
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if (!propvarIn->u.pwszVal)
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return DISP_E_TYPEMISMATCH;
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if (!lstrcmpiW(propvarIn->u.pwszVal, trueW) || !lstrcmpW(propvarIn->u.pwszVal, true2W))
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{
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*ret = TRUE;
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return S_OK;
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}
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if (!lstrcmpiW(propvarIn->u.pwszVal, falseW) || !lstrcmpW(propvarIn->u.pwszVal, false2W))
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{
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*ret = FALSE;
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return S_OK;
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}
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break;
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case VT_LPSTR:
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if (!propvarIn->u.pszVal)
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return DISP_E_TYPEMISMATCH;
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if (!lstrcmpiA(propvarIn->u.pszVal, "true") || !lstrcmpA(propvarIn->u.pszVal, "#TRUE#"))
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{
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*ret = TRUE;
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return S_OK;
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}
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if (!lstrcmpiA(propvarIn->u.pszVal, "false") || !lstrcmpA(propvarIn->u.pszVal, "#FALSE#"))
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{
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*ret = FALSE;
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return S_OK;
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}
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break;
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}
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hr = PROPVAR_ConvertNumber(propvarIn, 64, TRUE, &res);
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*ret = !!res;
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return hr;
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}
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HRESULT WINAPI PropVariantToBuffer(REFPROPVARIANT propvarIn, void *ret, UINT cb)
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{
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HRESULT hr = S_OK;
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TRACE("(%p, %p, %d)\n", propvarIn, ret, cb);
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switch(propvarIn->vt)
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{
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case VT_VECTOR|VT_UI1:
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if(cb > propvarIn->u.caub.cElems)
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return E_FAIL;
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memcpy(ret, propvarIn->u.caub.pElems, cb);
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break;
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case VT_ARRAY|VT_UI1:
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FIXME("Unsupported type: VT_ARRAY|VT_UI1\n");
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hr = E_NOTIMPL;
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break;
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default:
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WARN("Unexpected type: %x\n", propvarIn->vt);
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hr = E_INVALIDARG;
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}
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return hr;
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}
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HRESULT WINAPI PropVariantToString(REFPROPVARIANT propvarIn, PWSTR ret, UINT cch)
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{
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HRESULT hr;
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WCHAR *stringW = NULL;
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TRACE("(%p, %p, %d)\n", propvarIn, ret, cch);
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ret[0] = '\0';
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if(!cch)
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return E_INVALIDARG;
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hr = PropVariantToStringAlloc(propvarIn, &stringW);
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if(SUCCEEDED(hr))
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{
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if(lstrlenW(stringW) >= cch)
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hr = STRSAFE_E_INSUFFICIENT_BUFFER;
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lstrcpynW(ret, stringW, cch);
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CoTaskMemFree(stringW);
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}
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return hr;
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}
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HRESULT WINAPI PropVariantToStringAlloc(REFPROPVARIANT propvarIn, WCHAR **ret)
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{
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WCHAR *res = NULL;
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HRESULT hr = S_OK;
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TRACE("%p,%p semi-stub\n", propvarIn, ret);
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switch(propvarIn->vt)
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{
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case VT_EMPTY:
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case VT_NULL:
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res = CoTaskMemAlloc(1*sizeof(WCHAR));
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res[0] = '\0';
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break;
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case VT_LPSTR:
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if(propvarIn->u.pszVal)
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{
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DWORD len;
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len = MultiByteToWideChar(CP_ACP, 0, propvarIn->u.pszVal, -1, NULL, 0);
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res = CoTaskMemAlloc(len*sizeof(WCHAR));
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if(!res)
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return E_OUTOFMEMORY;
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MultiByteToWideChar(CP_ACP, 0, propvarIn->u.pszVal, -1, res, len);
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}
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break;
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case VT_LPWSTR:
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case VT_BSTR:
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if (propvarIn->u.pwszVal)
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{
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DWORD size = (lstrlenW(propvarIn->u.pwszVal) + 1) * sizeof(WCHAR);
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res = CoTaskMemAlloc(size);
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if(!res) return E_OUTOFMEMORY;
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memcpy(res, propvarIn->u.pwszVal, size);
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}
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break;
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default:
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FIXME("Unsupported conversion (%d)\n", propvarIn->vt);
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hr = E_FAIL;
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break;
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}
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*ret = res;
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return hr;
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}
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PCWSTR WINAPI PropVariantToStringWithDefault(REFPROPVARIANT propvarIn, LPCWSTR pszDefault)
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{
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static const WCHAR str_empty[] = {0};
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if (propvarIn->vt == VT_BSTR)
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{
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if (propvarIn->u.bstrVal == NULL)
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return str_empty;
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return propvarIn->u.bstrVal;
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}
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if (propvarIn->vt == VT_LPWSTR && propvarIn->u.pwszVal != NULL)
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return propvarIn->u.pwszVal;
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return pszDefault;
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}
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/******************************************************************
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* PropVariantChangeType (PROPSYS.@)
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*/
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HRESULT WINAPI PropVariantChangeType(PROPVARIANT *ppropvarDest, REFPROPVARIANT propvarSrc,
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PROPVAR_CHANGE_FLAGS flags, VARTYPE vt)
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{
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HRESULT hr;
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FIXME("(%p, %p, %d, %d, %d): semi-stub!\n", ppropvarDest, propvarSrc,
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propvarSrc->vt, flags, vt);
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if (vt == propvarSrc->vt)
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return PropVariantCopy(ppropvarDest, propvarSrc);
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if (propvarSrc->vt == VT_FILETIME)
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return PROPVAR_ConvertFILETIME(&propvarSrc->u.filetime, ppropvarDest, vt);
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switch (vt)
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{
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case VT_I1:
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{
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LONGLONG res;
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hr = PROPVAR_ConvertNumber(propvarSrc, 8, TRUE, &res);
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if (SUCCEEDED(hr))
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{
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ppropvarDest->vt = VT_I1;
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ppropvarDest->u.cVal = (char)res;
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}
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return hr;
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}
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case VT_UI1:
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{
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LONGLONG res;
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hr = PROPVAR_ConvertNumber(propvarSrc, 8, FALSE, &res);
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if (SUCCEEDED(hr))
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{
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ppropvarDest->vt = VT_UI1;
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ppropvarDest->u.bVal = (UCHAR)res;
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}
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return hr;
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}
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case VT_I2:
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{
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SHORT res;
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hr = PropVariantToInt16(propvarSrc, &res);
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if (SUCCEEDED(hr))
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{
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ppropvarDest->vt = VT_I2;
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ppropvarDest->u.iVal = res;
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}
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return hr;
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}
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case VT_UI2:
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{
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USHORT res;
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hr = PropVariantToUInt16(propvarSrc, &res);
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if (SUCCEEDED(hr))
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{
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ppropvarDest->vt = VT_UI2;
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ppropvarDest->u.uiVal = res;
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}
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return hr;
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}
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case VT_I4:
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{
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LONG res;
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hr = PropVariantToInt32(propvarSrc, &res);
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if (SUCCEEDED(hr))
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{
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ppropvarDest->vt = VT_I4;
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ppropvarDest->u.lVal = res;
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}
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return hr;
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}
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case VT_UI4:
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{
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ULONG res;
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hr = PropVariantToUInt32(propvarSrc, &res);
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if (SUCCEEDED(hr))
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{
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ppropvarDest->vt = VT_UI4;
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ppropvarDest->u.ulVal = res;
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}
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return hr;
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}
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case VT_I8:
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{
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LONGLONG res;
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hr = PropVariantToInt64(propvarSrc, &res);
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if (SUCCEEDED(hr))
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{
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ppropvarDest->vt = VT_I8;
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ppropvarDest->u.hVal.QuadPart = res;
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}
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return hr;
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}
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case VT_UI8:
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{
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ULONGLONG res;
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hr = PropVariantToUInt64(propvarSrc, &res);
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if (SUCCEEDED(hr))
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{
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ppropvarDest->vt = VT_UI8;
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ppropvarDest->u.uhVal.QuadPart = res;
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}
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return hr;
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}
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|
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case VT_LPWSTR:
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case VT_BSTR:
|
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{
|
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WCHAR *res;
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hr = PropVariantToStringAlloc(propvarSrc, &res);
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if (SUCCEEDED(hr))
|
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{
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ppropvarDest->vt = VT_LPWSTR;
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ppropvarDest->u.pwszVal = res;
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}
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return hr;
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}
|
|
|
|
case VT_LPSTR:
|
|
{
|
|
WCHAR *resW;
|
|
hr = PropVariantToStringAlloc(propvarSrc, &resW);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
char *res;
|
|
DWORD len;
|
|
|
|
len = WideCharToMultiByte(CP_ACP, 0, resW, -1, NULL, 0, NULL, NULL);
|
|
res = CoTaskMemAlloc(len);
|
|
if (res)
|
|
{
|
|
WideCharToMultiByte(CP_ACP, 0, resW, -1, res, len, NULL, NULL);
|
|
ppropvarDest->vt = VT_LPSTR;
|
|
ppropvarDest->u.pszVal = res;
|
|
}
|
|
else
|
|
hr = E_OUTOFMEMORY;
|
|
|
|
CoTaskMemFree(resW);
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
default:
|
|
FIXME("Unhandled dest type: %d\n", vt);
|
|
return E_FAIL;
|
|
}
|
|
}
|
|
|
|
static void PROPVAR_GUIDToWSTR(REFGUID guid, WCHAR *str)
|
|
{
|
|
static const WCHAR format[] = {'{','%','0','8','X','-','%','0','4','X','-','%','0','4','X',
|
|
'-','%','0','2','X','%','0','2','X','-','%','0','2','X','%','0','2','X','%','0','2','X',
|
|
'%','0','2','X','%','0','2','X','%','0','2','X','}',0};
|
|
|
|
swprintf(str, format, guid->Data1, guid->Data2, guid->Data3,
|
|
guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
|
|
guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);
|
|
}
|
|
|
|
HRESULT WINAPI InitPropVariantFromGUIDAsString(REFGUID guid, PROPVARIANT *ppropvar)
|
|
{
|
|
TRACE("(%p %p)\n", guid, ppropvar);
|
|
|
|
if(!guid)
|
|
return E_FAIL;
|
|
|
|
ppropvar->vt = VT_LPWSTR;
|
|
ppropvar->u.pwszVal = CoTaskMemAlloc(39*sizeof(WCHAR));
|
|
if(!ppropvar->u.pwszVal)
|
|
return E_OUTOFMEMORY;
|
|
|
|
PROPVAR_GUIDToWSTR(guid, ppropvar->u.pwszVal);
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI InitVariantFromGUIDAsString(REFGUID guid, VARIANT *pvar)
|
|
{
|
|
TRACE("(%p %p)\n", guid, pvar);
|
|
|
|
if(!guid) {
|
|
FIXME("guid == NULL\n");
|
|
return E_FAIL;
|
|
}
|
|
|
|
V_VT(pvar) = VT_BSTR;
|
|
V_BSTR(pvar) = SysAllocStringLen(NULL, 38);
|
|
if(!V_BSTR(pvar))
|
|
return E_OUTOFMEMORY;
|
|
|
|
PROPVAR_GUIDToWSTR(guid, V_BSTR(pvar));
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI InitPropVariantFromBuffer(const VOID *pv, UINT cb, PROPVARIANT *ppropvar)
|
|
{
|
|
TRACE("(%p %u %p)\n", pv, cb, ppropvar);
|
|
|
|
ppropvar->u.caub.pElems = CoTaskMemAlloc(cb);
|
|
if(!ppropvar->u.caub.pElems)
|
|
return E_OUTOFMEMORY;
|
|
|
|
ppropvar->vt = VT_VECTOR|VT_UI1;
|
|
ppropvar->u.caub.cElems = cb;
|
|
memcpy(ppropvar->u.caub.pElems, pv, cb);
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI InitPropVariantFromCLSID(REFCLSID clsid, PROPVARIANT *ppropvar)
|
|
{
|
|
TRACE("(%s %p)\n", debugstr_guid(clsid), ppropvar);
|
|
|
|
ppropvar->u.puuid = CoTaskMemAlloc(sizeof(*ppropvar->u.puuid));
|
|
if(!ppropvar->u.puuid)
|
|
return E_OUTOFMEMORY;
|
|
|
|
ppropvar->vt = VT_CLSID;
|
|
memcpy(ppropvar->u.puuid, clsid, sizeof(*ppropvar->u.puuid));
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI InitVariantFromBuffer(const VOID *pv, UINT cb, VARIANT *pvar)
|
|
{
|
|
SAFEARRAY *arr;
|
|
void *data;
|
|
HRESULT hres;
|
|
|
|
TRACE("(%p %u %p)\n", pv, cb, pvar);
|
|
|
|
arr = SafeArrayCreateVector(VT_UI1, 0, cb);
|
|
if(!arr)
|
|
return E_OUTOFMEMORY;
|
|
|
|
hres = SafeArrayAccessData(arr, &data);
|
|
if(FAILED(hres)) {
|
|
SafeArrayDestroy(arr);
|
|
return hres;
|
|
}
|
|
|
|
memcpy(data, pv, cb);
|
|
|
|
hres = SafeArrayUnaccessData(arr);
|
|
if(FAILED(hres)) {
|
|
SafeArrayDestroy(arr);
|
|
return hres;
|
|
}
|
|
|
|
V_VT(pvar) = VT_ARRAY|VT_UI1;
|
|
V_ARRAY(pvar) = arr;
|
|
return S_OK;
|
|
}
|
|
|
|
static inline DWORD PROPVAR_HexToNum(const WCHAR *hex)
|
|
{
|
|
DWORD ret;
|
|
|
|
if(hex[0]>='0' && hex[0]<='9')
|
|
ret = hex[0]-'0';
|
|
else if(hex[0]>='a' && hex[0]<='f')
|
|
ret = hex[0]-'a'+10;
|
|
else if(hex[0]>='A' && hex[0]<='F')
|
|
ret = hex[0]-'A'+10;
|
|
else
|
|
return -1;
|
|
|
|
ret <<= 4;
|
|
if(hex[1]>='0' && hex[1]<='9')
|
|
return ret + hex[1]-'0';
|
|
else if(hex[1]>='a' && hex[1]<='f')
|
|
return ret + hex[1]-'a'+10;
|
|
else if(hex[1]>='A' && hex[1]<='F')
|
|
return ret + hex[1]-'A'+10;
|
|
else
|
|
return -1;
|
|
}
|
|
|
|
static inline HRESULT PROPVAR_WCHARToGUID(const WCHAR *str, int len, GUID *guid)
|
|
{
|
|
DWORD i, val=0;
|
|
const WCHAR *p;
|
|
|
|
memset(guid, 0, sizeof(GUID));
|
|
|
|
if(len!=38 || str[0]!='{' || str[9]!='-' || str[14]!='-'
|
|
|| str[19]!='-' || str[24]!='-' || str[37]!='}') {
|
|
WARN("Error parsing %s\n", debugstr_w(str));
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
p = str+1;
|
|
for(i=0; i<4 && val!=-1; i++) {
|
|
val = PROPVAR_HexToNum(p);
|
|
guid->Data1 = (guid->Data1<<8) + val;
|
|
p += 2;
|
|
}
|
|
p++;
|
|
for(i=0; i<2 && val!=-1; i++) {
|
|
val = PROPVAR_HexToNum(p);
|
|
guid->Data2 = (guid->Data2<<8) + val;
|
|
p += 2;
|
|
}
|
|
p++;
|
|
for(i=0; i<2 && val!=-1; i++) {
|
|
val = PROPVAR_HexToNum(p);
|
|
guid->Data3 = (guid->Data3<<8) + val;
|
|
p += 2;
|
|
}
|
|
p++;
|
|
for(i=0; i<8 && val!=-1; i++) {
|
|
if(i == 2)
|
|
p++;
|
|
|
|
val = guid->Data4[i] = PROPVAR_HexToNum(p);
|
|
p += 2;
|
|
}
|
|
|
|
if(val == -1) {
|
|
WARN("Error parsing %s\n", debugstr_w(str));
|
|
memset(guid, 0, sizeof(GUID));
|
|
return E_INVALIDARG;
|
|
}
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI PropVariantToGUID(const PROPVARIANT *ppropvar, GUID *guid)
|
|
{
|
|
TRACE("%p %p)\n", ppropvar, guid);
|
|
|
|
switch(ppropvar->vt) {
|
|
case VT_BSTR:
|
|
return PROPVAR_WCHARToGUID(ppropvar->u.bstrVal, SysStringLen(ppropvar->u.bstrVal), guid);
|
|
case VT_LPWSTR:
|
|
return PROPVAR_WCHARToGUID(ppropvar->u.pwszVal, lstrlenW(ppropvar->u.pwszVal), guid);
|
|
case VT_CLSID:
|
|
memcpy(guid, ppropvar->u.puuid, sizeof(*ppropvar->u.puuid));
|
|
return S_OK;
|
|
|
|
default:
|
|
FIXME("unsupported vt: %d\n", ppropvar->vt);
|
|
return E_NOTIMPL;
|
|
}
|
|
}
|
|
|
|
HRESULT WINAPI VariantToGUID(const VARIANT *pvar, GUID *guid)
|
|
{
|
|
TRACE("(%p %p)\n", pvar, guid);
|
|
|
|
switch(V_VT(pvar)) {
|
|
case VT_BSTR: {
|
|
HRESULT hres = PROPVAR_WCHARToGUID(V_BSTR(pvar), SysStringLen(V_BSTR(pvar)), guid);
|
|
if(hres == E_INVALIDARG)
|
|
return E_FAIL;
|
|
return hres;
|
|
}
|
|
|
|
default:
|
|
FIXME("unsupported vt: %d\n", V_VT(pvar));
|
|
return E_NOTIMPL;
|
|
}
|
|
}
|
|
|
|
static BOOL isemptyornull(const PROPVARIANT *propvar)
|
|
{
|
|
if (propvar->vt == VT_EMPTY || propvar->vt == VT_NULL)
|
|
return TRUE;
|
|
if ((propvar->vt & VT_ARRAY) == VT_ARRAY)
|
|
{
|
|
int i;
|
|
for (i=0; i<propvar->u.parray->cDims; i++)
|
|
{
|
|
if (propvar->u.parray->rgsabound[i].cElements != 0)
|
|
break;
|
|
}
|
|
return i == propvar->u.parray->cDims;
|
|
}
|
|
if (propvar->vt == VT_CLSID)
|
|
return !propvar->u.puuid;
|
|
|
|
/* FIXME: vectors, byrefs, errors? */
|
|
return FALSE;
|
|
}
|
|
|
|
INT WINAPI PropVariantCompareEx(REFPROPVARIANT propvar1, REFPROPVARIANT propvar2,
|
|
PROPVAR_COMPARE_UNIT unit, PROPVAR_COMPARE_FLAGS flags)
|
|
{
|
|
const PROPVARIANT *propvar2_converted;
|
|
PROPVARIANT propvar2_static;
|
|
HRESULT hr;
|
|
INT res=-1;
|
|
|
|
TRACE("%p,%p,%x,%x\n", propvar1, propvar2, unit, flags);
|
|
|
|
if (isemptyornull(propvar1))
|
|
{
|
|
if (isemptyornull(propvar2))
|
|
return 0;
|
|
return (flags & PVCF_TREATEMPTYASGREATERTHAN) ? 1 : -1;
|
|
}
|
|
|
|
if (isemptyornull(propvar2))
|
|
return (flags & PVCF_TREATEMPTYASGREATERTHAN) ? -1 : 1;
|
|
|
|
if (propvar1->vt != propvar2->vt)
|
|
{
|
|
hr = PropVariantChangeType(&propvar2_static, propvar2, 0, propvar1->vt);
|
|
|
|
if (FAILED(hr))
|
|
return -1;
|
|
|
|
propvar2_converted = &propvar2_static;
|
|
}
|
|
else
|
|
propvar2_converted = propvar2;
|
|
|
|
#define CMP_NUM_VALUE(var) do { \
|
|
if (propvar1->u.var > propvar2_converted->u.var) \
|
|
res = 1; \
|
|
else if (propvar1->u.var < propvar2_converted->u.var) \
|
|
res = -1; \
|
|
else \
|
|
res = 0; \
|
|
} while (0)
|
|
|
|
switch (propvar1->vt)
|
|
{
|
|
case VT_I1:
|
|
CMP_NUM_VALUE(cVal);
|
|
break;
|
|
case VT_UI1:
|
|
CMP_NUM_VALUE(bVal);
|
|
break;
|
|
case VT_I2:
|
|
CMP_NUM_VALUE(iVal);
|
|
break;
|
|
case VT_UI2:
|
|
CMP_NUM_VALUE(uiVal);
|
|
break;
|
|
case VT_I4:
|
|
CMP_NUM_VALUE(lVal);
|
|
break;
|
|
case VT_UI4:
|
|
CMP_NUM_VALUE(uiVal);
|
|
break;
|
|
case VT_I8:
|
|
CMP_NUM_VALUE(hVal.QuadPart);
|
|
break;
|
|
case VT_UI8:
|
|
CMP_NUM_VALUE(uhVal.QuadPart);
|
|
break;
|
|
case VT_R4:
|
|
CMP_NUM_VALUE(fltVal);
|
|
break;
|
|
case VT_R8:
|
|
CMP_NUM_VALUE(dblVal);
|
|
break;
|
|
case VT_BSTR:
|
|
case VT_LPWSTR:
|
|
/* FIXME: Use other string flags. */
|
|
if (flags & (PVCF_USESTRCMPI | PVCF_USESTRCMPIC))
|
|
res = lstrcmpiW(propvar1->u.bstrVal, propvar2_converted->u.bstrVal);
|
|
else
|
|
res = lstrcmpW(propvar1->u.bstrVal, propvar2_converted->u.bstrVal);
|
|
break;
|
|
case VT_LPSTR:
|
|
/* FIXME: Use other string flags. */
|
|
if (flags & (PVCF_USESTRCMPI | PVCF_USESTRCMPIC))
|
|
res = lstrcmpiA(propvar1->u.pszVal, propvar2_converted->u.pszVal);
|
|
else
|
|
res = lstrcmpA(propvar1->u.pszVal, propvar2_converted->u.pszVal);
|
|
break;
|
|
case VT_CLSID:
|
|
res = memcmp(propvar1->u.puuid, propvar2->u.puuid, sizeof(*propvar1->u.puuid));
|
|
if (res) res = res > 0 ? 1 : -1;
|
|
break;
|
|
default:
|
|
FIXME("vartype %#x not handled\n", propvar1->vt);
|
|
res = -1;
|
|
break;
|
|
}
|
|
|
|
if (propvar2_converted == &propvar2_static)
|
|
PropVariantClear(&propvar2_static);
|
|
|
|
return res;
|
|
}
|