286 lines
7.4 KiB
C
286 lines
7.4 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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#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 "wine/debug.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(propsys);
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static HRESULT PROPVAR_ConvertFILETIME(PROPVARIANT *ppropvarDest,
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REFPROPVARIANT propvarSrc, VARTYPE vt)
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{
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SYSTEMTIME time;
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FileTimeToSystemTime(&propvarSrc->u.filetime, &time);
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switch (vt)
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{
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case VT_LPSTR:
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{
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static const char format[] = "%04d/%02d/%02d:%02d:%02d:%02d.%03d";
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ppropvarDest->u.pszVal = HeapAlloc(GetProcessHeap(), 0,
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lstrlenA(format) + 1);
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if (!ppropvarDest->u.pszVal)
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return E_OUTOFMEMORY;
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sprintf(ppropvarDest->u.pszVal, format, time.wYear, time.wMonth,
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time.wDay, time.wHour, time.wMinute,
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time.wSecond, time.wMilliseconds);
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return S_OK;
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}
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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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/******************************************************************
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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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FIXME("(%p, %p, %d, %d, %d): semi-stub!\n", ppropvarDest, propvarSrc,
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propvarSrc->vt, flags, vt);
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switch (propvarSrc->vt)
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{
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case VT_FILETIME:
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return PROPVAR_ConvertFILETIME(ppropvarDest, propvarSrc, vt);
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default:
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FIXME("Unhandled source type: %d\n", propvarSrc->vt);
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}
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return E_FAIL;
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}
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static void PROPVAR_GUIDToWSTR(REFGUID guid, WCHAR *str)
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{
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static const WCHAR format[] = {'{','%','0','8','X','-','%','0','4','X','-','%','0','4','X',
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'-','%','0','2','X','%','0','2','X','-','%','0','2','X','%','0','2','X','%','0','2','X',
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'%','0','2','X','%','0','2','X','%','0','2','X','}',0};
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sprintfW(str, format, guid->Data1, guid->Data2, guid->Data3,
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guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
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guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);
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}
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HRESULT WINAPI InitPropVariantFromGUIDAsString(REFGUID guid, PROPVARIANT *ppropvar)
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{
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TRACE("(%p %p)\n", guid, ppropvar);
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if(!guid)
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return E_FAIL;
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ppropvar->vt = VT_LPWSTR;
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ppropvar->u.pwszVal = CoTaskMemAlloc(39*sizeof(WCHAR));
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if(!ppropvar->u.pwszVal)
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return E_OUTOFMEMORY;
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PROPVAR_GUIDToWSTR(guid, ppropvar->u.pwszVal);
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return S_OK;
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}
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HRESULT WINAPI InitVariantFromGUIDAsString(REFGUID guid, VARIANT *pvar)
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{
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TRACE("(%p %p)\n", guid, pvar);
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if(!guid) {
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FIXME("guid == NULL\n");
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return E_FAIL;
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}
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V_VT(pvar) = VT_BSTR;
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V_BSTR(pvar) = SysAllocStringLen(NULL, 38);
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if(!V_BSTR(pvar))
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return E_OUTOFMEMORY;
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PROPVAR_GUIDToWSTR(guid, V_BSTR(pvar));
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return S_OK;
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}
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HRESULT WINAPI InitPropVariantFromBuffer(const VOID *pv, UINT cb, PROPVARIANT *ppropvar)
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{
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TRACE("(%p %u %p)\n", pv, cb, ppropvar);
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ppropvar->u.caub.pElems = CoTaskMemAlloc(cb);
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if(!ppropvar->u.caub.pElems)
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return E_OUTOFMEMORY;
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ppropvar->vt = VT_VECTOR|VT_UI1;
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ppropvar->u.caub.cElems = cb;
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memcpy(ppropvar->u.caub.pElems, pv, cb);
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return S_OK;
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}
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HRESULT WINAPI InitVariantFromBuffer(const VOID *pv, UINT cb, VARIANT *pvar)
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{
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SAFEARRAY *arr;
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void *data;
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HRESULT hres;
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TRACE("(%p %u %p)\n", pv, cb, pvar);
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arr = SafeArrayCreateVector(VT_UI1, 0, cb);
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if(!arr)
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return E_OUTOFMEMORY;
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hres = SafeArrayAccessData(arr, &data);
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if(FAILED(hres)) {
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SafeArrayDestroy(arr);
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return hres;
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}
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memcpy(data, pv, cb);
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hres = SafeArrayUnaccessData(arr);
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if(FAILED(hres)) {
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SafeArrayDestroy(arr);
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return hres;
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}
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V_VT(pvar) = VT_ARRAY|VT_UI1;
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V_ARRAY(pvar) = arr;
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return S_OK;
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}
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static inline DWORD PROPVAR_HexToNum(const WCHAR *hex)
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{
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DWORD ret;
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if(hex[0]>='0' && hex[0]<='9')
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ret = hex[0]-'0';
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else if(hex[0]>='a' && hex[0]<='f')
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ret = hex[0]-'a'+10;
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else if(hex[0]>='A' && hex[0]<='F')
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ret = hex[0]-'A'+10;
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else
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return -1;
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ret <<= 4;
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if(hex[1]>='0' && hex[1]<='9')
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return ret + hex[1]-'0';
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else if(hex[1]>='a' && hex[1]<='f')
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return ret + hex[1]-'a'+10;
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else if(hex[1]>='A' && hex[1]<='F')
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return ret + hex[1]-'A'+10;
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else
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return -1;
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}
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static inline HRESULT PROPVAR_WCHARToGUID(const WCHAR *str, int len, GUID *guid)
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{
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DWORD i, val=0;
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const WCHAR *p;
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memset(guid, 0, sizeof(GUID));
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if(len!=38 || str[0]!='{' || str[9]!='-' || str[14]!='-'
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|| str[19]!='-' || str[24]!='-' || str[37]!='}') {
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WARN("Error parsing %s\n", debugstr_w(str));
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return E_INVALIDARG;
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}
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p = str+1;
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for(i=0; i<4 && val!=-1; i++) {
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val = PROPVAR_HexToNum(p);
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guid->Data1 = (guid->Data1<<8) + val;
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p += 2;
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}
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p++;
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for(i=0; i<2 && val!=-1; i++) {
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val = PROPVAR_HexToNum(p);
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guid->Data2 = (guid->Data2<<8) + val;
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p += 2;
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}
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p++;
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for(i=0; i<2 && val!=-1; i++) {
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val = PROPVAR_HexToNum(p);
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guid->Data3 = (guid->Data3<<8) + val;
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p += 2;
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}
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p++;
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for(i=0; i<8 && val!=-1; i++) {
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if(i == 2)
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p++;
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val = guid->Data4[i] = PROPVAR_HexToNum(p);
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p += 2;
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}
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if(val == -1) {
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WARN("Error parsing %s\n", debugstr_w(str));
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memset(guid, 0, sizeof(GUID));
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return E_INVALIDARG;
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}
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return S_OK;
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}
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HRESULT WINAPI PropVariantToGUID(const PROPVARIANT *ppropvar, GUID *guid)
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{
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TRACE("%p %p)\n", ppropvar, guid);
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switch(ppropvar->vt) {
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case VT_BSTR:
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return PROPVAR_WCHARToGUID(ppropvar->u.bstrVal, SysStringLen(ppropvar->u.bstrVal), guid);
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case VT_LPWSTR:
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return PROPVAR_WCHARToGUID(ppropvar->u.pwszVal, strlenW(ppropvar->u.pwszVal), guid);
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default:
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FIXME("unsupported vt: %d\n", ppropvar->vt);
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return E_NOTIMPL;
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}
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}
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HRESULT WINAPI VariantToGUID(const VARIANT *pvar, GUID *guid)
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{
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TRACE("(%p %p)\n", pvar, guid);
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switch(V_VT(pvar)) {
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case VT_BSTR: {
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HRESULT hres = PROPVAR_WCHARToGUID(V_BSTR(pvar), SysStringLen(V_BSTR(pvar)), guid);
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if(hres == E_INVALIDARG)
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return E_FAIL;
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return hres;
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}
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default:
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FIXME("unsupported vt: %d\n", V_VT(pvar));
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return E_NOTIMPL;
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}
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}
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