//------------------------------------------------------------------------------------------------------- // Project: NodeActiveX // Author: Yuri Dursin // Description: Common utilities implementations //------------------------------------------------------------------------------------------------------- #include "stdafx.h" #include "disp.h" #include #include // for AccessibleObjectFromWindow #pragma comment(lib, "OleAcc.lib") // for AccessibleObjectFromWindow const GUID CLSID_DispObjectImpl = { 0x9dce8520, 0x2efe, 0x48c0,{ 0xa0, 0xdc, 0x95, 0x1b, 0x29, 0x18, 0x72, 0xc0 } }; const IID IID_IReflect = { 0xAFBF15E5, 0xC37C, 0x11D2,{ 0xB8, 0x8E, 0x00, 0xA0, 0xC9, 0xB4, 0x71, 0xB8} }; //------------------------------------------------------------------------------------------------------- #define ERROR_MESSAGE_WIDE_MAXSIZE 1024 #define ERROR_MESSAGE_UTF8_MAXSIZE 2048 void GetScodeString(HRESULT hr, wchar_t* buf, int bufSize) { struct HRESULT_ENTRY { HRESULT hr; LPCWSTR lpszName; }; #define MAKE_HRESULT_ENTRY(hr) { hr, L#hr } static const HRESULT_ENTRY hrNameTable[] = { MAKE_HRESULT_ENTRY(S_OK), MAKE_HRESULT_ENTRY(S_FALSE), MAKE_HRESULT_ENTRY(CACHE_S_FORMATETC_NOTSUPPORTED), MAKE_HRESULT_ENTRY(CACHE_S_SAMECACHE), MAKE_HRESULT_ENTRY(CACHE_S_SOMECACHES_NOTUPDATED), MAKE_HRESULT_ENTRY(CONVERT10_S_NO_PRESENTATION), MAKE_HRESULT_ENTRY(DATA_S_SAMEFORMATETC), MAKE_HRESULT_ENTRY(DRAGDROP_S_CANCEL), MAKE_HRESULT_ENTRY(DRAGDROP_S_DROP), MAKE_HRESULT_ENTRY(DRAGDROP_S_USEDEFAULTCURSORS), MAKE_HRESULT_ENTRY(INPLACE_S_TRUNCATED), MAKE_HRESULT_ENTRY(MK_S_HIM), MAKE_HRESULT_ENTRY(MK_S_ME), MAKE_HRESULT_ENTRY(MK_S_MONIKERALREADYREGISTERED), MAKE_HRESULT_ENTRY(MK_S_REDUCED_TO_SELF), MAKE_HRESULT_ENTRY(MK_S_US), MAKE_HRESULT_ENTRY(OLE_S_MAC_CLIPFORMAT), MAKE_HRESULT_ENTRY(OLE_S_STATIC), MAKE_HRESULT_ENTRY(OLE_S_USEREG), MAKE_HRESULT_ENTRY(OLEOBJ_S_CANNOT_DOVERB_NOW), MAKE_HRESULT_ENTRY(OLEOBJ_S_INVALIDHWND), MAKE_HRESULT_ENTRY(OLEOBJ_S_INVALIDVERB), MAKE_HRESULT_ENTRY(OLEOBJ_S_LAST), MAKE_HRESULT_ENTRY(STG_S_CONVERTED), MAKE_HRESULT_ENTRY(VIEW_S_ALREADY_FROZEN), MAKE_HRESULT_ENTRY(E_UNEXPECTED), MAKE_HRESULT_ENTRY(E_NOTIMPL), MAKE_HRESULT_ENTRY(E_OUTOFMEMORY), MAKE_HRESULT_ENTRY(E_INVALIDARG), MAKE_HRESULT_ENTRY(E_NOINTERFACE), MAKE_HRESULT_ENTRY(E_POINTER), MAKE_HRESULT_ENTRY(E_HANDLE), MAKE_HRESULT_ENTRY(E_ABORT), MAKE_HRESULT_ENTRY(E_FAIL), MAKE_HRESULT_ENTRY(E_ACCESSDENIED), MAKE_HRESULT_ENTRY(CACHE_E_NOCACHE_UPDATED), MAKE_HRESULT_ENTRY(CLASS_E_CLASSNOTAVAILABLE), MAKE_HRESULT_ENTRY(CLASS_E_NOAGGREGATION), MAKE_HRESULT_ENTRY(CLIPBRD_E_BAD_DATA), MAKE_HRESULT_ENTRY(CLIPBRD_E_CANT_CLOSE), MAKE_HRESULT_ENTRY(CLIPBRD_E_CANT_EMPTY), MAKE_HRESULT_ENTRY(CLIPBRD_E_CANT_OPEN), MAKE_HRESULT_ENTRY(CLIPBRD_E_CANT_SET), MAKE_HRESULT_ENTRY(CO_E_ALREADYINITIALIZED), MAKE_HRESULT_ENTRY(CO_E_APPDIDNTREG), MAKE_HRESULT_ENTRY(CO_E_APPNOTFOUND), MAKE_HRESULT_ENTRY(CO_E_APPSINGLEUSE), MAKE_HRESULT_ENTRY(CO_E_BAD_PATH), MAKE_HRESULT_ENTRY(CO_E_CANTDETERMINECLASS), MAKE_HRESULT_ENTRY(CO_E_CLASS_CREATE_FAILED), MAKE_HRESULT_ENTRY(CO_E_CLASSSTRING), MAKE_HRESULT_ENTRY(CO_E_DLLNOTFOUND), MAKE_HRESULT_ENTRY(CO_E_ERRORINAPP), MAKE_HRESULT_ENTRY(CO_E_ERRORINDLL), MAKE_HRESULT_ENTRY(CO_E_IIDSTRING), MAKE_HRESULT_ENTRY(CO_E_NOTINITIALIZED), MAKE_HRESULT_ENTRY(CO_E_OBJISREG), MAKE_HRESULT_ENTRY(CO_E_OBJNOTCONNECTED), MAKE_HRESULT_ENTRY(CO_E_OBJNOTREG), MAKE_HRESULT_ENTRY(CO_E_OBJSRV_RPC_FAILURE), MAKE_HRESULT_ENTRY(CO_E_SCM_ERROR), MAKE_HRESULT_ENTRY(CO_E_SCM_RPC_FAILURE), MAKE_HRESULT_ENTRY(CO_E_SERVER_EXEC_FAILURE), MAKE_HRESULT_ENTRY(CO_E_SERVER_STOPPING), MAKE_HRESULT_ENTRY(CO_E_WRONGOSFORAPP), MAKE_HRESULT_ENTRY(CONVERT10_E_OLESTREAM_BITMAP_TO_DIB), MAKE_HRESULT_ENTRY(CONVERT10_E_OLESTREAM_FMT), MAKE_HRESULT_ENTRY(CONVERT10_E_OLESTREAM_GET), MAKE_HRESULT_ENTRY(CONVERT10_E_OLESTREAM_PUT), MAKE_HRESULT_ENTRY(CONVERT10_E_STG_DIB_TO_BITMAP), MAKE_HRESULT_ENTRY(CONVERT10_E_STG_FMT), MAKE_HRESULT_ENTRY(CONVERT10_E_STG_NO_STD_STREAM), MAKE_HRESULT_ENTRY(DISP_E_ARRAYISLOCKED), MAKE_HRESULT_ENTRY(DISP_E_BADCALLEE), MAKE_HRESULT_ENTRY(DISP_E_BADINDEX), MAKE_HRESULT_ENTRY(DISP_E_BADPARAMCOUNT), MAKE_HRESULT_ENTRY(DISP_E_BADVARTYPE), MAKE_HRESULT_ENTRY(DISP_E_EXCEPTION), MAKE_HRESULT_ENTRY(DISP_E_MEMBERNOTFOUND), MAKE_HRESULT_ENTRY(DISP_E_NONAMEDARGS), MAKE_HRESULT_ENTRY(DISP_E_NOTACOLLECTION), MAKE_HRESULT_ENTRY(DISP_E_OVERFLOW), MAKE_HRESULT_ENTRY(DISP_E_PARAMNOTFOUND), MAKE_HRESULT_ENTRY(DISP_E_PARAMNOTOPTIONAL), MAKE_HRESULT_ENTRY(DISP_E_TYPEMISMATCH), MAKE_HRESULT_ENTRY(DISP_E_UNKNOWNINTERFACE), MAKE_HRESULT_ENTRY(DISP_E_UNKNOWNLCID), MAKE_HRESULT_ENTRY(DISP_E_UNKNOWNNAME), MAKE_HRESULT_ENTRY(DRAGDROP_E_ALREADYREGISTERED), MAKE_HRESULT_ENTRY(DRAGDROP_E_INVALIDHWND), MAKE_HRESULT_ENTRY(DRAGDROP_E_NOTREGISTERED), MAKE_HRESULT_ENTRY(DV_E_CLIPFORMAT), MAKE_HRESULT_ENTRY(DV_E_DVASPECT), MAKE_HRESULT_ENTRY(DV_E_DVTARGETDEVICE), MAKE_HRESULT_ENTRY(DV_E_DVTARGETDEVICE_SIZE), MAKE_HRESULT_ENTRY(DV_E_FORMATETC), MAKE_HRESULT_ENTRY(DV_E_LINDEX), MAKE_HRESULT_ENTRY(DV_E_NOIVIEWOBJECT), MAKE_HRESULT_ENTRY(DV_E_STATDATA), MAKE_HRESULT_ENTRY(DV_E_STGMEDIUM), MAKE_HRESULT_ENTRY(DV_E_TYMED), MAKE_HRESULT_ENTRY(INPLACE_E_NOTOOLSPACE), MAKE_HRESULT_ENTRY(INPLACE_E_NOTUNDOABLE), MAKE_HRESULT_ENTRY(MEM_E_INVALID_LINK), MAKE_HRESULT_ENTRY(MEM_E_INVALID_ROOT), MAKE_HRESULT_ENTRY(MEM_E_INVALID_SIZE), MAKE_HRESULT_ENTRY(MK_E_CANTOPENFILE), MAKE_HRESULT_ENTRY(MK_E_CONNECTMANUALLY), MAKE_HRESULT_ENTRY(MK_E_ENUMERATION_FAILED), MAKE_HRESULT_ENTRY(MK_E_EXCEEDEDDEADLINE), MAKE_HRESULT_ENTRY(MK_E_INTERMEDIATEINTERFACENOTSUPPORTED), MAKE_HRESULT_ENTRY(MK_E_INVALIDEXTENSION), MAKE_HRESULT_ENTRY(MK_E_MUSTBOTHERUSER), MAKE_HRESULT_ENTRY(MK_E_NEEDGENERIC), MAKE_HRESULT_ENTRY(MK_E_NO_NORMALIZED), MAKE_HRESULT_ENTRY(MK_E_NOINVERSE), MAKE_HRESULT_ENTRY(MK_E_NOOBJECT), MAKE_HRESULT_ENTRY(MK_E_NOPREFIX), MAKE_HRESULT_ENTRY(MK_E_NOSTORAGE), MAKE_HRESULT_ENTRY(MK_E_NOTBINDABLE), MAKE_HRESULT_ENTRY(MK_E_NOTBOUND), MAKE_HRESULT_ENTRY(MK_E_SYNTAX), MAKE_HRESULT_ENTRY(MK_E_UNAVAILABLE), MAKE_HRESULT_ENTRY(OLE_E_ADVF), MAKE_HRESULT_ENTRY(OLE_E_ADVISENOTSUPPORTED), MAKE_HRESULT_ENTRY(OLE_E_BLANK), MAKE_HRESULT_ENTRY(OLE_E_CANT_BINDTOSOURCE), MAKE_HRESULT_ENTRY(OLE_E_CANT_GETMONIKER), MAKE_HRESULT_ENTRY(OLE_E_CANTCONVERT), MAKE_HRESULT_ENTRY(OLE_E_CLASSDIFF), MAKE_HRESULT_ENTRY(OLE_E_ENUM_NOMORE), MAKE_HRESULT_ENTRY(OLE_E_INVALIDHWND), MAKE_HRESULT_ENTRY(OLE_E_INVALIDRECT), MAKE_HRESULT_ENTRY(OLE_E_NOCACHE), MAKE_HRESULT_ENTRY(OLE_E_NOCONNECTION), MAKE_HRESULT_ENTRY(OLE_E_NOSTORAGE), MAKE_HRESULT_ENTRY(OLE_E_NOT_INPLACEACTIVE), MAKE_HRESULT_ENTRY(OLE_E_NOTRUNNING), MAKE_HRESULT_ENTRY(OLE_E_OLEVERB), MAKE_HRESULT_ENTRY(OLE_E_PROMPTSAVECANCELLED), MAKE_HRESULT_ENTRY(OLE_E_STATIC), MAKE_HRESULT_ENTRY(OLE_E_WRONGCOMPOBJ), MAKE_HRESULT_ENTRY(OLEOBJ_E_INVALIDVERB), MAKE_HRESULT_ENTRY(OLEOBJ_E_NOVERBS), MAKE_HRESULT_ENTRY(REGDB_E_CLASSNOTREG), MAKE_HRESULT_ENTRY(REGDB_E_IIDNOTREG), MAKE_HRESULT_ENTRY(REGDB_E_INVALIDVALUE), MAKE_HRESULT_ENTRY(REGDB_E_KEYMISSING), MAKE_HRESULT_ENTRY(REGDB_E_READREGDB), MAKE_HRESULT_ENTRY(REGDB_E_WRITEREGDB), MAKE_HRESULT_ENTRY(RPC_E_ATTEMPTED_MULTITHREAD), MAKE_HRESULT_ENTRY(RPC_E_CALL_CANCELED), MAKE_HRESULT_ENTRY(RPC_E_CALL_REJECTED), MAKE_HRESULT_ENTRY(RPC_E_CANTCALLOUT_AGAIN), MAKE_HRESULT_ENTRY(RPC_E_CANTCALLOUT_INASYNCCALL), MAKE_HRESULT_ENTRY(RPC_E_CANTCALLOUT_INEXTERNALCALL), MAKE_HRESULT_ENTRY(RPC_E_CANTCALLOUT_ININPUTSYNCCALL), MAKE_HRESULT_ENTRY(RPC_E_CANTPOST_INSENDCALL), MAKE_HRESULT_ENTRY(RPC_E_CANTTRANSMIT_CALL), MAKE_HRESULT_ENTRY(RPC_E_CHANGED_MODE), MAKE_HRESULT_ENTRY(RPC_E_CLIENT_CANTMARSHAL_DATA), MAKE_HRESULT_ENTRY(RPC_E_CLIENT_CANTUNMARSHAL_DATA), MAKE_HRESULT_ENTRY(RPC_E_CLIENT_DIED), MAKE_HRESULT_ENTRY(RPC_E_CONNECTION_TERMINATED), MAKE_HRESULT_ENTRY(RPC_E_DISCONNECTED), MAKE_HRESULT_ENTRY(RPC_E_FAULT), MAKE_HRESULT_ENTRY(RPC_E_INVALID_CALLDATA), MAKE_HRESULT_ENTRY(RPC_E_INVALID_DATA), MAKE_HRESULT_ENTRY(RPC_E_INVALID_DATAPACKET), MAKE_HRESULT_ENTRY(RPC_E_INVALID_PARAMETER), MAKE_HRESULT_ENTRY(RPC_E_INVALIDMETHOD), MAKE_HRESULT_ENTRY(RPC_E_NOT_REGISTERED), MAKE_HRESULT_ENTRY(RPC_E_OUT_OF_RESOURCES), MAKE_HRESULT_ENTRY(RPC_E_RETRY), MAKE_HRESULT_ENTRY(RPC_E_SERVER_CANTMARSHAL_DATA), MAKE_HRESULT_ENTRY(RPC_E_SERVER_CANTUNMARSHAL_DATA), MAKE_HRESULT_ENTRY(RPC_E_SERVER_DIED), MAKE_HRESULT_ENTRY(RPC_E_SERVER_DIED_DNE), MAKE_HRESULT_ENTRY(RPC_E_SERVERCALL_REJECTED), MAKE_HRESULT_ENTRY(RPC_E_SERVERCALL_RETRYLATER), MAKE_HRESULT_ENTRY(RPC_E_SERVERFAULT), MAKE_HRESULT_ENTRY(RPC_E_SYS_CALL_FAILED), MAKE_HRESULT_ENTRY(RPC_E_THREAD_NOT_INIT), MAKE_HRESULT_ENTRY(RPC_E_UNEXPECTED), MAKE_HRESULT_ENTRY(RPC_E_WRONG_THREAD), MAKE_HRESULT_ENTRY(STG_E_ABNORMALAPIEXIT), MAKE_HRESULT_ENTRY(STG_E_ACCESSDENIED), MAKE_HRESULT_ENTRY(STG_E_CANTSAVE), MAKE_HRESULT_ENTRY(STG_E_DISKISWRITEPROTECTED), MAKE_HRESULT_ENTRY(STG_E_EXTANTMARSHALLINGS), MAKE_HRESULT_ENTRY(STG_E_FILEALREADYEXISTS), MAKE_HRESULT_ENTRY(STG_E_FILENOTFOUND), MAKE_HRESULT_ENTRY(STG_E_INSUFFICIENTMEMORY), MAKE_HRESULT_ENTRY(STG_E_INUSE), MAKE_HRESULT_ENTRY(STG_E_INVALIDFLAG), MAKE_HRESULT_ENTRY(STG_E_INVALIDFUNCTION), MAKE_HRESULT_ENTRY(STG_E_INVALIDHANDLE), MAKE_HRESULT_ENTRY(STG_E_INVALIDHEADER), MAKE_HRESULT_ENTRY(STG_E_INVALIDNAME), MAKE_HRESULT_ENTRY(STG_E_INVALIDPARAMETER), MAKE_HRESULT_ENTRY(STG_E_INVALIDPOINTER), MAKE_HRESULT_ENTRY(STG_E_LOCKVIOLATION), MAKE_HRESULT_ENTRY(STG_E_MEDIUMFULL), MAKE_HRESULT_ENTRY(STG_E_NOMOREFILES), MAKE_HRESULT_ENTRY(STG_E_NOTCURRENT), MAKE_HRESULT_ENTRY(STG_E_NOTFILEBASEDSTORAGE), MAKE_HRESULT_ENTRY(STG_E_OLDDLL), MAKE_HRESULT_ENTRY(STG_E_OLDFORMAT), MAKE_HRESULT_ENTRY(STG_E_PATHNOTFOUND), MAKE_HRESULT_ENTRY(STG_E_READFAULT), MAKE_HRESULT_ENTRY(STG_E_REVERTED), MAKE_HRESULT_ENTRY(STG_E_SEEKERROR), MAKE_HRESULT_ENTRY(STG_E_SHAREREQUIRED), MAKE_HRESULT_ENTRY(STG_E_SHAREVIOLATION), MAKE_HRESULT_ENTRY(STG_E_TOOMANYOPENFILES), MAKE_HRESULT_ENTRY(STG_E_UNIMPLEMENTEDFUNCTION), MAKE_HRESULT_ENTRY(STG_E_UNKNOWN), MAKE_HRESULT_ENTRY(STG_E_WRITEFAULT), MAKE_HRESULT_ENTRY(TYPE_E_AMBIGUOUSNAME), MAKE_HRESULT_ENTRY(TYPE_E_BADMODULEKIND), MAKE_HRESULT_ENTRY(TYPE_E_BUFFERTOOSMALL), MAKE_HRESULT_ENTRY(TYPE_E_CANTCREATETMPFILE), MAKE_HRESULT_ENTRY(TYPE_E_CANTLOADLIBRARY), MAKE_HRESULT_ENTRY(TYPE_E_CIRCULARTYPE), MAKE_HRESULT_ENTRY(TYPE_E_DLLFUNCTIONNOTFOUND), MAKE_HRESULT_ENTRY(TYPE_E_DUPLICATEID), MAKE_HRESULT_ENTRY(TYPE_E_ELEMENTNOTFOUND), MAKE_HRESULT_ENTRY(TYPE_E_INCONSISTENTPROPFUNCS), MAKE_HRESULT_ENTRY(TYPE_E_INVALIDSTATE), MAKE_HRESULT_ENTRY(TYPE_E_INVDATAREAD), MAKE_HRESULT_ENTRY(TYPE_E_IOERROR), MAKE_HRESULT_ENTRY(TYPE_E_LIBNOTREGISTERED), MAKE_HRESULT_ENTRY(TYPE_E_NAMECONFLICT), MAKE_HRESULT_ENTRY(TYPE_E_OUTOFBOUNDS), MAKE_HRESULT_ENTRY(TYPE_E_QUALIFIEDNAMEDISALLOWED), MAKE_HRESULT_ENTRY(TYPE_E_REGISTRYACCESS), MAKE_HRESULT_ENTRY(TYPE_E_SIZETOOBIG), MAKE_HRESULT_ENTRY(TYPE_E_TYPEMISMATCH), MAKE_HRESULT_ENTRY(TYPE_E_UNDEFINEDTYPE), MAKE_HRESULT_ENTRY(TYPE_E_UNKNOWNLCID), MAKE_HRESULT_ENTRY(TYPE_E_UNSUPFORMAT), MAKE_HRESULT_ENTRY(TYPE_E_WRONGTYPEKIND), MAKE_HRESULT_ENTRY(VIEW_E_DRAW), MAKE_HRESULT_ENTRY(CONNECT_E_NOCONNECTION), MAKE_HRESULT_ENTRY(CONNECT_E_ADVISELIMIT), MAKE_HRESULT_ENTRY(CONNECT_E_CANNOTCONNECT), MAKE_HRESULT_ENTRY(CONNECT_E_OVERRIDDEN), MAKE_HRESULT_ENTRY(CLASS_E_NOTLICENSED), MAKE_HRESULT_ENTRY(CLASS_E_NOAGGREGATION), MAKE_HRESULT_ENTRY(CLASS_E_CLASSNOTAVAILABLE), MAKE_HRESULT_ENTRY(CTL_E_ILLEGALFUNCTIONCALL), MAKE_HRESULT_ENTRY(CTL_E_OVERFLOW), MAKE_HRESULT_ENTRY(CTL_E_OUTOFMEMORY), MAKE_HRESULT_ENTRY(CTL_E_DIVISIONBYZERO), MAKE_HRESULT_ENTRY(CTL_E_OUTOFSTRINGSPACE), MAKE_HRESULT_ENTRY(CTL_E_OUTOFSTACKSPACE), MAKE_HRESULT_ENTRY(CTL_E_BADFILENAMEORNUMBER), MAKE_HRESULT_ENTRY(CTL_E_FILENOTFOUND), MAKE_HRESULT_ENTRY(CTL_E_BADFILEMODE), MAKE_HRESULT_ENTRY(CTL_E_FILEALREADYOPEN), MAKE_HRESULT_ENTRY(CTL_E_DEVICEIOERROR), MAKE_HRESULT_ENTRY(CTL_E_FILEALREADYEXISTS), MAKE_HRESULT_ENTRY(CTL_E_BADRECORDLENGTH), MAKE_HRESULT_ENTRY(CTL_E_DISKFULL), MAKE_HRESULT_ENTRY(CTL_E_BADRECORDNUMBER), MAKE_HRESULT_ENTRY(CTL_E_BADFILENAME), MAKE_HRESULT_ENTRY(CTL_E_TOOMANYFILES), MAKE_HRESULT_ENTRY(CTL_E_DEVICEUNAVAILABLE), MAKE_HRESULT_ENTRY(CTL_E_PERMISSIONDENIED), MAKE_HRESULT_ENTRY(CTL_E_DISKNOTREADY), MAKE_HRESULT_ENTRY(CTL_E_PATHFILEACCESSERROR), MAKE_HRESULT_ENTRY(CTL_E_PATHNOTFOUND), MAKE_HRESULT_ENTRY(CTL_E_INVALIDPATTERNSTRING), MAKE_HRESULT_ENTRY(CTL_E_INVALIDUSEOFNULL), MAKE_HRESULT_ENTRY(CTL_E_INVALIDFILEFORMAT), MAKE_HRESULT_ENTRY(CTL_E_INVALIDPROPERTYVALUE), MAKE_HRESULT_ENTRY(CTL_E_INVALIDPROPERTYARRAYINDEX), MAKE_HRESULT_ENTRY(CTL_E_SETNOTSUPPORTEDATRUNTIME), MAKE_HRESULT_ENTRY(CTL_E_SETNOTSUPPORTED), MAKE_HRESULT_ENTRY(CTL_E_NEEDPROPERTYARRAYINDEX), MAKE_HRESULT_ENTRY(CTL_E_SETNOTPERMITTED), MAKE_HRESULT_ENTRY(CTL_E_GETNOTSUPPORTEDATRUNTIME), MAKE_HRESULT_ENTRY(CTL_E_GETNOTSUPPORTED), MAKE_HRESULT_ENTRY(CTL_E_PROPERTYNOTFOUND), MAKE_HRESULT_ENTRY(CTL_E_INVALIDCLIPBOARDFORMAT), MAKE_HRESULT_ENTRY(CTL_E_INVALIDPICTURE), MAKE_HRESULT_ENTRY(CTL_E_PRINTERERROR), MAKE_HRESULT_ENTRY(CTL_E_CANTSAVEFILETOTEMP), MAKE_HRESULT_ENTRY(CTL_E_SEARCHTEXTNOTFOUND), MAKE_HRESULT_ENTRY(CTL_E_REPLACEMENTSTOOLONG), }; // look for scode in the table for (int i = 0; i < sizeof(hrNameTable) / sizeof(hrNameTable[0]); i++) { if (hr == hrNameTable[i].hr) { swprintf_s(buf, (size_t)(bufSize - 1), hrNameTable[i].lpszName); return; } } // not found - make one up swprintf_s(buf, (size_t)(bufSize - 1), L"OLE error 0x%08x", hr); } uint16_t *GetWin32ErrorMessage(uint16_t *buf, size_t buflen, Isolate *isolate, HRESULT hrcode, LPCOLESTR msg, LPCOLESTR msg2, LPCOLESTR desc) { uint16_t *bufptr = buf; size_t len; if (msg) { len = wcslen(msg); if (len >= buflen) len = buflen - 1; if (len > 0) memcpy(bufptr, msg, len * sizeof(uint16_t)); buflen -= len; bufptr += len; if (buflen > 2) { bufptr[0] = ':'; bufptr[1] = ' '; buflen -= 2; bufptr += 2; } } if (msg2) { len = wcslen(msg2); if (len >= buflen) len = buflen - 1; if (len > 0) memcpy(bufptr, msg2, len * sizeof(uint16_t)); buflen -= len; bufptr += len; if (buflen > 1) { bufptr[0] = ' '; buflen -= 1; bufptr += 1; } } if (buflen > 1) { len = desc ? wcslen(desc) : 0; if (len > 0) { if (len >= buflen) len = buflen - 1; memcpy(bufptr, desc, len * sizeof(OLECHAR)); } else { len = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM, 0, hrcode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPOLESTR)bufptr, (DWORD)buflen - 1, 0); if (len == 0) len = swprintf_s((LPOLESTR)bufptr, buflen - 1, L"Error 0x%08X", hrcode); } buflen -= len; bufptr += len; } if (buflen > 0) bufptr[0] = 0; return buf; } char *GetWin32ErrorMessage(char *buf, size_t buflen, Isolate *isolate, HRESULT hrcode, LPCOLESTR msg, LPCOLESTR msg2, LPCOLESTR desc) { uint16_t buf_wide[ERROR_MESSAGE_WIDE_MAXSIZE]; GetWin32ErrorMessage(buf_wide, ERROR_MESSAGE_WIDE_MAXSIZE, isolate, hrcode, msg, msg2, desc); int rcode = WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)buf_wide, -1, buf, buflen, NULL, NULL); if (rcode < 0) rcode = 0; buf[rcode] = 0; return buf; } Local GetWin32ErrorMessage(Isolate *isolate, HRESULT hrcode, LPCOLESTR msg, LPCOLESTR msg2, LPCOLESTR desc) { uint16_t buf_wide[ERROR_MESSAGE_WIDE_MAXSIZE]; return v8str(isolate, GetWin32ErrorMessage(buf_wide, ERROR_MESSAGE_WIDE_MAXSIZE, isolate, hrcode, msg, msg2, desc)); } //------------------------------------------------------------------------------------------------------- Local Variant2Array(Isolate *isolate, const VARIANT &v) { if ((v.vt & VT_ARRAY) == 0) return Null(isolate); SAFEARRAY *varr = (v.vt & VT_BYREF) != 0 ? *v.pparray : v.parray; if (!varr || varr->cDims > 2 || varr->cDims == 0) return Null(isolate); else if ( varr->cDims == 2 ) return Variant2Array2( isolate, v ); Local ctx = isolate->GetCurrentContext(); VARTYPE vt = v.vt & VT_TYPEMASK; LONG cnt = (LONG)varr->rgsabound[0].cElements; Local arr = Array::New(isolate, cnt); for (LONG i = varr->rgsabound[0].lLbound; i < varr->rgsabound[0].lLbound + cnt; i++) { CComVariant vi; if SUCCEEDED(SafeArrayGetElement(varr, &i, (vt == VT_VARIANT) ? (void*)&vi : (void*)&vi.byref)) { if (vt != VT_VARIANT) vi.vt = vt; uint32_t jsi = i - varr->rgsabound[ 0 ].lLbound; arr->Set(ctx, jsi, Variant2Value(isolate, vi, true)); } } return arr; } static Local Variant2Array2(Isolate *isolate, const VARIANT &v) { if ((v.vt & VT_ARRAY) == 0) return Null(isolate); SAFEARRAY *varr = (v.vt & VT_BYREF) != 0 ? *v.pparray : v.parray; if (!varr || varr->cDims != 2) return Null(isolate); Local ctx = isolate->GetCurrentContext(); VARTYPE vt = v.vt & VT_TYPEMASK; LONG cnt1 = (LONG)varr->rgsabound[0].cElements; LONG cnt2 = (LONG)varr->rgsabound[1].cElements; Local arr1 = Array::New(isolate, cnt2); LONG rgIndices[ 2 ]; for (LONG i2 = varr->rgsabound[1].lLbound; i2 < varr->rgsabound[1].lLbound + cnt2; i2++) { rgIndices[ 0 ] = i2; Local arr2 = Array::New(isolate, cnt1); for (LONG i1 = varr->rgsabound[0].lLbound; i1 < varr->rgsabound[0].lLbound + cnt1; i1++) { CComVariant vi; rgIndices[ 1 ] = i1; if SUCCEEDED(SafeArrayGetElement(varr, &rgIndices[0], (vt == VT_VARIANT) ? (void*)&vi : (void*)&vi.byref)) { if (vt != VT_VARIANT) vi.vt = vt; uint32_t jsi = (uint32_t)i1 - varr->rgsabound[ 0 ].lLbound; arr2->Set(ctx, jsi, Variant2Value(isolate, vi, true)); } } uint32_t jsi = i2 - varr->rgsabound[ 1 ].lLbound; arr1->Set(ctx, jsi, arr2); } return arr1; } Local Variant2Value(Isolate *isolate, const VARIANT &v, bool allow_disp) { if ((v.vt & VT_ARRAY) != 0) return Variant2Array(isolate, v); VARTYPE vt = (v.vt & VT_TYPEMASK); bool by_ref = (v.vt & VT_BYREF) != 0; switch (vt) { case VT_NULL: return Null(isolate); case VT_I1: return Int32::New(isolate, (int32_t)(by_ref ? *v.pcVal : v.cVal)); case VT_I2: return Int32::New(isolate, (int32_t)(by_ref ? *v.piVal : v.iVal)); case VT_I4: return Int32::New(isolate, (int32_t)(by_ref ? *v.plVal : v.lVal)); case VT_INT: return Int32::New(isolate, (int32_t)(by_ref ? *v.pintVal : v.intVal)); case VT_UI1: return Int32::New(isolate, (uint32_t)(by_ref ? *v.pbVal : v.bVal)); case VT_UI2: return Int32::New(isolate, (uint32_t)(by_ref ? *v.puiVal : v.uiVal)); case VT_UI4: return Int32::New(isolate, (uint32_t)(by_ref ? *v.pulVal : v.ulVal)); case VT_UINT: return Int32::New(isolate, (uint32_t)(by_ref ? *v.puintVal : v.uintVal)); case VT_I8: return Number::New(isolate, (double)(by_ref ? *v.pllVal : v.llVal)); case VT_UI8: return Number::New(isolate, (double)(by_ref ? *v.pullVal : v.ullVal)); case VT_CY: return Number::New(isolate, (double)(by_ref ? v.pcyVal : &v.cyVal)->int64 / 10000.); case VT_R4: return Number::New(isolate, by_ref ? *v.pfltVal : v.fltVal); case VT_R8: return Number::New(isolate, by_ref ? *v.pdblVal : v.dblVal); case VT_DATE: { Local ret; if (!Date::New(isolate->GetCurrentContext(), FromOleDate(by_ref ? *v.pdate : v.date)).ToLocal(&ret)) ret = Undefined(isolate); return ret; } case VT_DECIMAL: { DOUBLE dblval; if FAILED(VarR8FromDec(by_ref ? v.pdecVal : &v.decVal, &dblval)) return Undefined(isolate); return Number::New(isolate, dblval); } case VT_BOOL: return Boolean::New(isolate, (by_ref ? *v.pboolVal : v.boolVal) != VARIANT_FALSE); case VT_DISPATCH: { IDispatch *disp = (by_ref ? *v.ppdispVal : v.pdispVal); if (!disp) return Null(isolate); if (allow_disp) { DispObjectImpl *impl; if (disp->QueryInterface(CLSID_DispObjectImpl, (void**)&impl) == S_OK) { return impl->obj.Get(isolate); } return DispObject::NodeCreate(isolate, disp, L"Dispatch", option_auto); } return v8str(isolate, "[Dispatch]"); } case VT_UNKNOWN: { if (allow_disp) { CComPtr disp; if (UnknownDispGet(by_ref ? *v.ppunkVal : v.punkVal, &disp)) { return DispObject::NodeCreate(isolate, disp, L"Unknown", option_auto); } } // Check for NULL value if ((by_ref && *v.ppunkVal) || v.punkVal) { if (allow_disp) { return VariantObject::NodeCreate(isolate, v); } else { return v8str(isolate, "[Unknown]"); } } else if (!v.punkVal) { return Null(isolate); } } case VT_BSTR: { BSTR bstr = by_ref ? (v.pbstrVal ? *v.pbstrVal : nullptr) : v.bstrVal; //if (!bstr) return String::Empty(isolate); // Sometimes we need to distinguish between NULL and empty string if (!bstr) return Null(isolate); return v8str(isolate, bstr); } case VT_VARIANT: if (v.pvarVal) return Variant2Value(isolate, *v.pvarVal, allow_disp); } return Undefined(isolate); } Local Variant2String(Isolate *isolate, const VARIANT &v) { char buf[256] = {}; VARTYPE vt = (v.vt & VT_TYPEMASK); bool by_ref = (v.vt & VT_BYREF) != 0; switch (vt) { case VT_EMPTY: strcpy(buf, "EMPTY"); break; case VT_NULL: strcpy(buf, "NULL"); break; case VT_I1: sprintf_s(buf, "%i", (int)(by_ref ? *v.pcVal : v.cVal)); break; case VT_I2: sprintf_s(buf, "%i", (int)(by_ref ? *v.piVal : v.iVal)); break; case VT_I4: sprintf_s(buf, "%i", (int)(by_ref ? *v.plVal : v.lVal)); break; case VT_INT: sprintf_s(buf, "%i", (int)(by_ref ? *v.pintVal : v.intVal)); break; case VT_UI1: sprintf_s(buf, "%u", (unsigned int)(by_ref ? *v.pbVal : v.bVal)); break; case VT_UI2: sprintf_s(buf, "%u", (unsigned int)(by_ref ? *v.puiVal : v.uiVal)); break; case VT_UI4: sprintf_s(buf, "%u", (unsigned int)(by_ref ? *v.pulVal : v.ulVal)); break; case VT_UINT: sprintf_s(buf, "%u", (unsigned int)(by_ref ? *v.puintVal : v.uintVal)); break; case VT_CY: case VT_I8: sprintf_s(buf, "%lld", (by_ref ? *v.pllVal : v.llVal)); break; case VT_UI8: sprintf_s(buf, "%llu", (by_ref ? *v.pullVal : v.ullVal)); break; case VT_R4: sprintf_s(buf, "%f", (double)(by_ref ? *v.pfltVal : v.fltVal)); break; case VT_R8: sprintf_s(buf, "%f", (double)(by_ref ? *v.pdblVal : v.dblVal)); break; case VT_DATE: { Local ret; if (!Date::New(isolate->GetCurrentContext(), FromOleDate(by_ref ? *v.pdate : v.date)).ToLocal(&ret)) ret = Undefined(isolate); return ret; } case VT_DECIMAL: { DOUBLE dblval; if FAILED(VarR8FromDec(by_ref ? v.pdecVal : &v.decVal, &dblval)) return Undefined(isolate); sprintf_s(buf, "%f", (double)dblval); break; } case VT_BOOL: strcpy(buf, ((by_ref ? *v.pboolVal : v.boolVal) == VARIANT_FALSE) ? "false" : "true"); case VT_DISPATCH: strcpy(buf, "[Dispatch]"); break; case VT_UNKNOWN: strcpy(buf, "[Unknown]"); break; case VT_VARIANT: if (v.pvarVal) return Variant2String(isolate, *v.pvarVal); break; default: CComVariant tmp; if (SUCCEEDED(VariantChangeType(&tmp, &v, 0, VT_BSTR)) && tmp.vt == VT_BSTR && v.bstrVal != nullptr) { return v8str(isolate, v.bstrVal); } } return v8str(isolate, buf); } void Value2Variant(Isolate *isolate, Local &val, VARIANT &var, VARTYPE vt) { Local ctx = isolate->GetCurrentContext(); if (val.IsEmpty() || val->IsUndefined()) { var.vt = VT_EMPTY; } else if (val->IsNull()) { var.vt = VT_NULL; } else if (val->IsInt32()) { //var.lVal = val->Int32Value(); var.lVal = val->Int32Value(ctx).FromMaybe(0); var.vt = VT_I4; } else if (val->IsUint32()) { //var.ulVal = val->Uint32Value(); var.ulVal = val->Uint32Value(ctx).FromMaybe(0); var.vt = (var.ulVal <= 0x7FFFFFFF) ? VT_I4 : VT_UI4; } else if (val->IsNumber()) { //var.dblVal = val->NumberValue(); var.dblVal = val->NumberValue(ctx).FromMaybe(0); var.vt = VT_R8; } else if (val->IsDate()) { //var.date = ToOleDate(val->NumberValue()); var.date = ToOleDate(val->NumberValue(ctx).FromMaybe(0)); var.vt = VT_DATE; } else if (val->IsBoolean()) { var.boolVal = NODE_BOOL(isolate, val) ? VARIANT_TRUE : VARIANT_FALSE; var.vt = VT_BOOL; } else if (val->IsArray() && (vt != VT_NULL)) { Local arr = v8::Local::Cast(val); uint32_t len = arr->Length(); if (vt == VT_EMPTY) vt = VT_VARIANT; var.vt = VT_ARRAY | vt; // if array of arrays, create a 2 dim array, choose the 2nd bound uint32_t second_len = 0; if (len) { Local first_value; if (arr->Get(ctx, 0).ToLocal(&first_value)) { if (first_value->IsArray()) second_len = v8::Local::Cast(first_value)->Length(); } } if ( second_len == 0 ) { var.parray = SafeArrayCreateVector(vt, 0, len); for (uint32_t i = 0; i < len; i++) { CComVariant v; Local val; if (!arr->Get(ctx, i).ToLocal(&val)) val = Undefined(isolate); Value2Variant(isolate, val, v, vt); void *pv; if (vt == VT_VARIANT) pv = (void*)&v; else if (vt == VT_DISPATCH || vt == VT_UNKNOWN || vt == VT_BSTR) pv = v.byref; else pv = (void*)&v.byref; SafeArrayPutElement(var.parray, (LONG*)&i, pv); } } else { SAFEARRAYBOUND rgsabounds[ 2 ]; rgsabounds[ 0 ].lLbound = rgsabounds[ 1 ].lLbound = 0; rgsabounds[ 0 ].cElements = len; rgsabounds[ 1 ].cElements = second_len; var.parray = SafeArrayCreate(vt, 2, rgsabounds); LONG rgIndices[ 2 ]; for (uint32_t i = 0; i < len; i++) { rgIndices[ 0 ] = i; Local maybearray; Local arr2; bool bGotArray = false; if (arr->Get( ctx, i ).ToLocal( &maybearray ) && maybearray->IsArray()) { bGotArray = true; arr2 = v8::Local::Cast(maybearray); } for (uint32_t j = 0; j < second_len; j++) { rgIndices[ 1 ] = j; Local val; if ( bGotArray ) { if (!arr2->Get(ctx, j).ToLocal(&val)) val = Undefined(isolate); } else { // if no arrays for a "row", the value is put only in first "col" if ( j == 0 ) val = maybearray; else val = Undefined(isolate); } CComVariant v; Value2Variant(isolate, val, v, vt); void *pv; if (vt == VT_VARIANT) pv = (void*)&v; else if (vt == VT_DISPATCH || vt == VT_UNKNOWN || vt == VT_BSTR) pv = v.byref; else pv = (void*)&v.byref; SafeArrayPutElement(var.parray, rgIndices, pv); } } } vt = VT_EMPTY; } else if (val->IsObject()) { auto obj = Local::Cast(val); if (!DispObject::GetValueOf(isolate, obj, var) && !VariantObject::GetValueOf(isolate, obj, var)) { var.vt = VT_DISPATCH; var.pdispVal = new DispObjectImpl(obj); var.pdispVal->AddRef(); } } else { String::Value str(isolate, val); var.vt = VT_BSTR; // For some apps there is still a difference between "" and NULL string, so we should support it here gracefully if (*str) { var.bstrVal = SysAllocString((LPOLESTR)*str); } else { var.bstrVal = 0; } //var.bstrVal = (str.length() > 0) ? SysAllocString((LPOLESTR)*str) : 0; } if (vt != VT_EMPTY && vt != VT_NULL && vt != VT_VARIANT) { if FAILED(VariantChangeType(&var, &var, 0, vt)) VariantClear(&var); } } void Value2SafeArray(Isolate *isolate, Local &val, VARIANT &var, VARTYPE vt) { Local ctx = isolate->GetCurrentContext(); if (val.IsEmpty() || val->IsUndefined()) { var.vt = VT_EMPTY; } else if (val->IsNull()) { var.vt = VT_NULL; } else if (val->IsObject()) { // Test conversion dispatch pointer to Uint8Array if (vt == VT_UI1) { auto obj = Local::Cast(val); auto ptr = DispObject::GetDispPtr(isolate, obj); size_t len = sizeof(UINT_PTR); var.vt = VT_ARRAY | vt; var.parray = SafeArrayCreateVector(vt, 0, len); if (var.parray != nullptr) memcpy(var.parray->pvData, &ptr, len); } } else { var.vt = VT_EMPTY; } } bool Value2Unknown(Isolate *isolate, Local &val, IUnknown **unk) { if (val.IsEmpty() || !val->IsObject()) return false; auto obj = Local::Cast(val); CComVariant var; if (!DispObject::GetValueOf(isolate, obj, var) && !VariantObject::GetValueOf(isolate, obj, var)) return false; return VariantUnkGet(&var, unk); } bool UnknownDispGet(IUnknown *unk, IDispatch **disp) { if (!unk) return false; if SUCCEEDED(unk->QueryInterface(__uuidof(IDispatch), (void**)disp)) { return true; } CComPtr enum_ptr; if SUCCEEDED(unk->QueryInterface(__uuidof(IEnumVARIANT), (void**)&enum_ptr)) { *disp = new DispEnumImpl(enum_ptr); (*disp)->AddRef(); return true; } return false; } bool VariantUnkGet(VARIANT *v, IUnknown **punk) { IUnknown *unk = NULL; if ((v->vt & VT_TYPEMASK) == VT_DISPATCH) { unk = ((v->vt & VT_BYREF) != 0) ? *v->ppdispVal : v->pdispVal; } else if ((v->vt & VT_TYPEMASK) == VT_UNKNOWN) { unk = ((v->vt & VT_BYREF) != 0) ? *v->ppunkVal : v->punkVal; } if (!unk) return false; unk->AddRef(); *punk = unk; return true; } bool VariantDispGet(VARIANT *v, IDispatch **pdisp) { /* if ((v->vt & VT_ARRAY) != 0) { *disp = new DispArrayImpl(*v); (*disp)->AddRef(); return true; } */ if ((v->vt & VT_TYPEMASK) == VT_DISPATCH) { IDispatch *disp = ((v->vt & VT_BYREF) != 0) ? *v->ppdispVal : v->pdispVal; if (!disp) return false; disp->AddRef(); *pdisp = disp; return true; } if ((v->vt & VT_TYPEMASK) == VT_UNKNOWN) { return UnknownDispGet(((v->vt & VT_BYREF) != 0) ? *v->ppunkVal : v->punkVal, pdisp); } return false; } //------------------------------------------------------------------------------------------------------- // DispArrayImpl implemetation HRESULT STDMETHODCALLTYPE DispArrayImpl::GetIDsOfNames(REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId) { if (cNames != 1 || !rgszNames[0]) return DISP_E_UNKNOWNNAME; LPOLESTR name = rgszNames[0]; if (wcscmp(name, L"length") == 0) *rgDispId = 1; else return DISP_E_UNKNOWNNAME; return S_OK; } HRESULT STDMETHODCALLTYPE DispArrayImpl::Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr) { HRESULT hrcode = S_OK; UINT argcnt = pDispParams->cArgs; VARIANT *args = pDispParams->rgvarg; if ((var.vt & VT_ARRAY) == 0) return E_NOTIMPL; SAFEARRAY *arr = ((var.vt & VT_BYREF) != 0) ? *var.pparray : var.parray; switch (dispIdMember) { case 1: { if (pVarResult) { pVarResult->vt = VT_INT; pVarResult->intVal = (INT)(arr ? arr->rgsabound[0].cElements : 0); } return hrcode; } } return E_NOTIMPL; } //------------------------------------------------------------------------------------------------------- // DispEnumImpl implemetation HRESULT STDMETHODCALLTYPE DispEnumImpl::GetIDsOfNames(REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId) { if (cNames != 1 || !rgszNames[0]) return DISP_E_UNKNOWNNAME; LPOLESTR name = rgszNames[0]; if (wcscmp(name, L"Next") == 0) *rgDispId = 1; else if (wcscmp(name, L"Skip") == 0) *rgDispId = 2; else if (wcscmp(name, L"Reset") == 0) *rgDispId = 3; else if (wcscmp(name, L"Clone") == 0) *rgDispId = 4; else return DISP_E_UNKNOWNNAME; return S_OK; } HRESULT STDMETHODCALLTYPE DispEnumImpl::Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr) { HRESULT hrcode = S_OK; UINT argcnt = pDispParams->cArgs; VARIANT *args = pDispParams->rgvarg; switch (dispIdMember) { case 1: { CComVariant arr; ULONG fetched, celt = (argcnt > 0) ? Variant2Int(args[argcnt - 1], (ULONG)1) : 1; if (!pVarResult || celt == 0) hrcode = E_INVALIDARG; if SUCCEEDED(hrcode) hrcode = arr.ArrayCreate(VT_VARIANT, celt); if SUCCEEDED(hrcode) hrcode = ptr->Next(celt, arr.ArrayGet(0), &fetched); if SUCCEEDED(hrcode) { if (fetched == 0) pVarResult->vt = VT_EMPTY; else if (fetched == 1) { VARIANT *v = arr.ArrayGet(0); *pVarResult = *v; v->vt = VT_EMPTY; } else { if (fetched < celt) hrcode = arr.ArrayResize(fetched); if SUCCEEDED(hrcode) arr.Detach(pVarResult); } } return hrcode; } case 2: { if (pVarResult) pVarResult->vt = VT_EMPTY; ULONG celt = (argcnt > 0) ? Variant2Int(args[argcnt - 1], (ULONG)1) : 1; return ptr->Skip(celt); } case 3: { if (pVarResult) pVarResult->vt = VT_EMPTY; return ptr->Reset(); } case 4: { std::unique_ptr disp; hrcode = pVarResult ? ptr->Clone(&disp->ptr) : E_INVALIDARG; if SUCCEEDED(hrcode) { disp->AddRef(); pVarResult->vt = VT_DISPATCH; pVarResult->pdispVal = disp.release(); } return hrcode; } } return E_NOTIMPL; } //------------------------------------------------------------------------------------------------------- // DispObjectImpl implemetation HRESULT STDMETHODCALLTYPE DispObjectImpl::GetIDsOfNames(REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId) { if (cNames != 1 || !rgszNames[0]) return DISP_E_UNKNOWNNAME; std::wstring name(rgszNames[0]); name_ptr &ptr = names[name]; if (!ptr) { ptr.reset(new name_t(dispid_next++, name)); index.insert(index_t::value_type(ptr->dispid, ptr)); } *rgDispId = ptr->dispid; return S_OK; } HRESULT STDMETHODCALLTYPE DispObjectImpl::Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr) { Isolate *isolate = Isolate::GetCurrent(); Local ctx = isolate->GetCurrentContext(); Local self = obj.Get(isolate); Local name, val, ret; // Prepare name by member id if (!index.empty()) { index_t::const_iterator p = index.find(dispIdMember); if (p == index.end()) { // DispID may be 0 for regular member or for DISPID_VALUE. // Since regular method not found assume DISPID_VALUE if it is 0. if(dispIdMember != DISPID_VALUE) return DISP_E_MEMBERNOTFOUND; } else { name_t& info = *p->second; name = v8str(isolate, info.name.c_str()); } } // Set property value if ((wFlags & DISPATCH_PROPERTYPUT) != 0) { UINT argcnt = pDispParams->cArgs; VARIANT *key = (argcnt > 1) ? &pDispParams->rgvarg[--argcnt] : nullptr; if (argcnt > 0) val = Variant2Value(isolate, pDispParams->rgvarg[--argcnt], true); else val = Undefined(isolate); bool rcode; // Set simple object property value if (!key) { if (name.IsEmpty()) return DISP_E_MEMBERNOTFOUND; rcode = self->Set(ctx, name, val).FromMaybe(false); } // Set object/array item value else { Local target; if (name.IsEmpty()) target = self; else { Local obj; if (self->Get(ctx, name).ToLocal(&obj) && !obj.IsEmpty()) target = Local::Cast(obj); if (target.IsEmpty()) return DISP_E_BADCALLEE; } LONG index = Variant2Int(*key, -1); if (index >= 0) rcode = target->Set(ctx, (uint32_t)index, val).FromMaybe(false); else rcode = target->Set(ctx, Variant2Value(isolate, *key, false), val).FromMaybe(false); } // Store result if (pVarResult) { pVarResult->vt = VT_BOOL; pVarResult->boolVal = rcode ? VARIANT_TRUE : VARIANT_FALSE; } return S_OK; } // Prepare property item if (name.IsEmpty()) val = self; else self->Get(ctx, name).ToLocal(&val); // Call property as method if ((wFlags & DISPATCH_METHOD) != 0) { wFlags = 0; NodeArguments args(isolate, pDispParams, true, reverse_arguments); int argcnt = (int)args.items.size(); Local *argptr = (argcnt > 0) ? &args.items[0] : nullptr; if (val->IsFunction()) { Local func = Local::Cast(val); if (func.IsEmpty()) return DISP_E_BADCALLEE; func->Call(isolate->GetCurrentContext(), self, argcnt, argptr).ToLocal(&ret); } else if (val->IsObject()) { wFlags = DISPATCH_PROPERTYGET; //Local target = val->ToObject(); //target->CallAsFunction(isolate->GetCurrentContext(), target, args.items.size(), &args.items[0]).ToLocal(&ret); } else { ret = val; } } // Get property value if ((wFlags & DISPATCH_PROPERTYGET) != 0) { if (pDispParams->cArgs == 1) { Local target; if (!val.IsEmpty()) target = Local::Cast(val); if (target.IsEmpty()) return DISP_E_BADCALLEE; VARIANT &key = pDispParams->rgvarg[0]; LONG index = Variant2Int(key, -1); if (index >= 0) target->Get(ctx, (uint32_t)index).ToLocal(&ret); else target->Get(ctx, Variant2Value(isolate, key, false)).ToLocal(&ret); } else { ret = val; } } // Store result if (pVarResult) { Value2Variant(isolate, ret, *pVarResult, VT_NULL); } return S_OK; } /* * Microsoft OLE Date type: * https://docs.microsoft.com/en-us/previous-versions/visualstudio/visual-studio-2008/82ab7w69(v=vs.90) */ double FromOleDate(double oleDate) { double posixDate = oleDate - 25569; // days from 1899 dec 30 posixDate *= 24 * 60 * 60 * 1000; // days to milliseconds return posixDate; } double ToOleDate(double posixDate) { double oleDate = posixDate / (24 * 60 * 60 * 1000); // milliseconds to days oleDate += 25569; // days from 1899 dec 30 return oleDate; } //------------------------------------------------------------------------------------------------------- bool NodeMethods::get(Isolate* isolate, const std::wstring &name, Local* value) { auto ptr = items.find(name); if (ptr == items.end()) return false; Local ft = ptr->second->Get(isolate); return ft->GetFunction(isolate->GetCurrentContext()).ToLocal(value); } void NodeMethods::add(Isolate* isolate, Local& clazz, const char* name, FunctionCallback callback) { // see NODE_SET_PROTOTYPE_METHOD HandleScope handle_scope(isolate); Local s = Signature::New(isolate, clazz); Local t = FunctionTemplate::New(isolate, callback, Local(), s); Local fn_name = String::NewFromUtf8(isolate, name, NewStringType::kInternalized).ToLocalChecked(); t->SetClassName(fn_name); clazz->PrototypeTemplate()->Set(fn_name, t); String::Value vname(isolate, fn_name); item_type item(new Persistent(isolate, t)); items.emplace(std::wstring((const wchar_t *)*vname), item); } //------------------------------------------------------------------------------------------------------- /* Message loop. Just like with WScript it is executed while the script is waiting. So if you have something showing, for example, a popup message, then you will only see it when you do WScript.Sleep. */ void DoEvents() { MSG msg; BOOL result; if (::PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE)) { result = ::GetMessage(&msg, NULL, 0, 0); if (result == 0) // WM_QUIT { ::PostQuitMessage(msg.wParam); } else if (result == -1) { // Handle errors/exit application, etc. } else { ::TranslateMessage(&msg); ::DispatchMessage(&msg); } } } /* Returns the amount of milliseconds elapsed since the UNIX epoch. Works on both * windows and linux. */ long long GetTimeMs64() { /* Windows */ FILETIME ft; LARGE_INTEGER li; /* Get the amount of 100 nano seconds intervals elapsed since January 1, 1601 (UTC) and copy it * to a LARGE_INTEGER structure. */ GetSystemTimeAsFileTime(&ft); li.LowPart = ft.dwLowDateTime; li.HighPart = ft.dwHighDateTime; long long ret = li.QuadPart; ret -= 116444736000000000LL; /* Convert from file time to UNIX epoch time. */ ret /= 10000; /* From 100 nano seconds (10^-7) to 1 millisecond (10^-3) intervals */ return ret; } // Sleep is essential to have proper WScript emulation void WinaxSleep(const FunctionCallbackInfo& args) { Isolate* isolate = args.GetIsolate(); Local ctx = isolate->GetCurrentContext(); if (args.Length() == 0 && !args[0]->IsUint32()) { isolate->ThrowException(InvalidArgumentsError(isolate)); return; } uint32_t ms = (args[0]->Uint32Value(ctx)).FromMaybe(0); long long start = GetTimeMs64(); do { DoEvents(); Sleep(1); } while (GetTimeMs64() - start < ms); args.GetReturnValue().SetUndefined(); } // Get a COM pointer from a window found by it's text HRESULT GetAccessibleObject(const wchar_t* pszWindowText, CComPtr& spIUnknown) { struct ew { static BOOL CALLBACK ecp(HWND hWnd, LPARAM lParam) { wchar_t szWindowText[128]; if (GetWindowTextW(hWnd, szWindowText, _countof(szWindowText))) { ewp* pparams = reinterpret_cast(lParam); if (!wcscmp(szWindowText, pparams->pszWindowText)) { pparams->hWnd = hWnd; return FALSE; } } return TRUE; } struct ewp { const wchar_t* pszWindowText; HWND hWnd; }; }; ew::ewp params{ pszWindowText, nullptr }; EnumChildWindows(GetDesktopWindow(), ew::ecp, reinterpret_cast(¶ms)); if (params.hWnd == nullptr) return _HRESULT_TYPEDEF_(0x80070057L); // ERROR_INVALID_PARAMETER return AccessibleObjectFromWindow(params.hWnd, OBJID_NATIVEOM, IID_IUnknown, reinterpret_cast(&spIUnknown)); }