自学教程：C++ FS函数代码示例

void CConnectionManager::AsyncConnectThread(){	DWORD size = 1024;	TCHAR host[1024] = _T("localhost");	if (GetStringValueFromRegistry(REGISTRY_ROOT_KEY, REGISTRY_SETTINGS_KEY, REGISTRY_SETTINGS_HOST, host, &size)!=0)	{		m_Parent->Log(_T("Unable to read host record from registry."), ICON_WARNING);	}	DWORD port = 41258;	if (GetDWORDValueFromRegistry(REGISTRY_ROOT_KEY, REGISTRY_SETTINGS_KEY, REGISTRY_SETTINGS_PORT, &port)!=0)	{		m_Parent->Log(_T("Unable to read port from registry."), ICON_WARNING);	}	CString sport;	sport.Format(_T("%d"), port);	if (!m_Connection.ConnectTo(host, sport, AF_INET, SOCK_STREAM))	{		BrowserManagerLock browserManager;		CBrowserMessageWindow* window = browserManager->FindBrowserMessageWindow(m_Parent->GetBrowserId());		if (!window) return;		window->PostMessage(BMM_REQUEST_LOG, ICON_WARNING, (LPARAM)FS(_T("Unable to see XRefresh Monitor.")));		window->PostMessage(BMM_REQUEST_LOG, ICON_BULB, (LPARAM)FS(_T("Please check if you have running XRefresh Monitor. On Windows, it is program running in system tray. Look for Programs -> XRefresh -> XRefresh.exe")));		window->PostMessage(BMM_REQUEST_LOG, ICON_BULB, (LPARAM)FS(_T("You may also want to check your firewall settings. XRefresh IE Addon expects Monitor to talk from %s on port %d"), host, port));		TRACE_I(_T("server not available"));		return;	}	m_Connection.WatchComm();	SendHello();}

STDMETHODIMP CUpgradrToolbar::SetSite(IUnknown *pUnknownSite){	DT(TRACE_I(FS(_T("Toolbar[%08X]: SetSite(%08X)"), this, pUnknownSite)));	try {		if (!!pUnknownSite)		{			// attach the window			HWND hMyWindow;			CComPtr<IUnknown> site(pUnknownSite);			CComQIPtr<IOleWindow> window(site);			window->GetWindow(&hMyWindow);			if (!hMyWindow) 			{				TRACE_E(FS(_T("Toolbar[%08X]: Cannot retrieve toolbar base window"), this));				return E_FAIL;			}			SubclassWindow(hMyWindow);			// get a WebBrowser reference			CComQIPtr<IServiceProvider> serviceProvider(site);			serviceProvider->QueryService(IID_IWebBrowserApp, IID_IWebBrowser2, (void**)&m_spWebBrowser);			site->QueryInterface(IID_IInputObjectSite, (void**)&m_spSite);			// create main window			CreateMainWindow();		}	}	catch (CUpgradrRuntimeError &ex)	{		HandleError(ex.ErrorMessage());		return E_FAIL;	}	return S_OK;}

void AGameObject::Attack( AGameObject* go ){  if( go == this ) {    error( "Attacking self" );    return;  }  Stop(); // DropTargets & Clear Old Waypoint queue  if( AttackTarget )  {    info( FS( "%s unfollowed %s", *GetName(), *AttackTarget->GetName() ) );  }  AttackTarget = go;  if( AttackTarget )  {    if( AttackTarget->Dead ) {      error( FS( "Trying to attack dead target %s", *go->GetName() ) );      AttackTarget = 0;      return;    }    AttackTarget->Attackers += this;    Game->flycam->MarkAsAttack( AttackTarget );  }  AttackReady = 0; // Do not stop to engage other units}

bool											CUpgradrRootImpl::CheckThreadOwnership(ESharedResourceId rid){#ifdef _DEBUG	DWORD tid = GetCurrentThreadId();	m_MainCS.Enter();	TOwnership::iterator i = m_Ownership.find(rid);	if (i==m_Ownership.end())	{		TRACE_E(FS(_T("Resource %s owned by no thread used by thread %08X !!!"), g_acResourceNames[rid], tid));		DebugBreak();		m_MainCS.Leave();		return false;	}	if (i->second.first!=tid)	{		TRACE_E(FS(_T("Resource %s owned by thread %08X used by thread %08X !!!"), g_acResourceNames[rid], i->second.first, tid));		DebugBreak();		m_MainCS.Leave();		return false;	}	m_MainCS.Leave();#endif	return true;}

void AGameObject::OnHitContactBegin_Implementation( AActor* OtherActor,  UPrimitiveComponent* OtherComp, int32 OtherBodyIndex,  bool bFromSweep, const FHitResult & SweepResult ){  //info( FS( "OnHitContactBegin %s with %s", *Name, *OtherActor->GetName() ) );  if( OtherActor == this )  {    // Don't do anything with reports of collision with self.    return;  }  AGameObject* THAT = Cast<AGameObject>( OtherActor );  if( THAT )  {    //info( FS( "HitContactBegin: %s : %s/%s", *GetName(), *OtherActor->GetName(), *OtherComp->GetName() ) );    if( in( HitOverlaps, THAT ) )    {      warning( FS( "HitContactBegin: %s was already overlapped by %s/%s", *GetName(), *OtherActor->GetName(), *OtherComp->GetName() ) );    }    else    {      // Both were gameobjects      Hit( THAT );      HitOverlaps += THAT; // Retain collection of objects i'm overlapping with    }  }  else  {    error( FS( "%s", *THAT->GetName() ) );  }}

void CMDIClient::OnSize(UINT nType, CSize size){	if (FS()->TabItem())	{		FS()->TabItem()->GetChildFrame()->SetWindowPos(NULL, 0, 0, size.cx, size.cy, SWP_NOMOVE | SWP_NOZORDER);		FS()->TabItem()->GetChildFrame()->PostMessage(WM_SIZE, 0, MAKELPARAM(size.cx, size.cy));	}}

longfswrite(Chan *c, void *va, long n, vlong offset){	int r;	osenter();	r = pwrite(FS(c)->fd, va, n, offset);	osleave();	if(r < 0)		fserr(FS(c));	return r;}

void AGameObject::Walk( float t ){  CheckWaypoint();  // Alter destination based on locations of other units.  FVector ToDest = Dest - Pos;    // Clamp travel length so that we can't overshoot destination  if( float Len = ToDest.Size() )  {    Dir = ToDest / Len; // normalize    if( !Stats.SpeedMax )  error( FS("%s had 0 speed", *GetName()) );        // I am maxing out the speed here.    Speed = Stats.SpeedMax;    // The direction of travel is modified by repulsion forces    FVector repulsionForces = GetRepulsionForcesFromOverlappedUnits();    FVector modDir = Dir + repulsionForces;    modDir.Normalize();    FVector Vel = modDir*Speed;    //Game->flycam->DrawDebug( Pos, Pos + Vel, 5.f, FLinearColor::Red, 0.f );    FVector travel = Vel*t;    // If travel exceeds destination, then jump to dest,    // so we don't jitter over the final position.    if( Len < travel.Size() )    {      // snap to position & stop moving.      Pos = Dest; // we are @ destination.      travel = ToDest; // This is the displacement we actually moved.      Speed = 0;    }    else    {      Pos += travel;      if( Grounds )      {        FVector newPos = Pos + UnitZ * 10.f;        // Travel in direction plus some amount straight up.        // The straight up amount ensures that the unit doesn't sink underground        if( Game->flycam->SetOnGround( newPos ) )  Pos = newPos;        else  error( FS( "%s Object was trying to leave the ground plane.", *GetName() ) );      }      SetRot( Dir.Rotation() );    }  }  else  {    // We're at the destination, so the velocity becomes 0    Speed = 0.f;  }}

intfsstat(Chan *c, uchar *dp, int n){	if(FS(c)->fd >= 0)		n = fstat(FS(c)->fd, dp, n);	else		n = stat(FS(c)->name->s, dp, n);	if(n < 0)		fserr(FS(c));	/* TO DO: change name to / if rootqid */	return n;}

intfswstat(Chan *c, uchar *dp, int n){	osenter();	if(FS(c)->fd >= 0)		n = fwstat(FS(c)->fd, dp, n);	else		n = wstat(FS(c)->name->s, dp, n);	osleave();	if(n < 0)		fserr(FS(c));	return n;}

STDMETHODIMP CXRefreshToolbar::SetSite(IUnknown *pUnknownSite){	DT(TRACE_I(FS(_T("Toolbar[%08X]: SetSite(%08X)"), this, pUnknownSite)));	try {		if (!!pUnknownSite)		{			// attach the window			HWND hWnd;			CComPtr<IUnknown> site(pUnknownSite);			CComQIPtr<IOleWindow> window(site);			window->GetWindow(&hWnd);			if (!hWnd) 			{				TRACE_E(FS(_T("Toolbar[%08X]: Cannot retrieve toolbar base window"), this));				return E_FAIL;			}			SubclassWindow(hWnd);			// get a WebBrowser reference			CComQIPtr<IServiceProvider> serviceProvider(site);			serviceProvider->QueryService(IID_IWebBrowserApp, IID_IWebBrowser2, (void**)&m_Browser);			site->QueryInterface(IID_IInputObjectSite, (void**)&m_Site);			// retrive browser id			{				BrowserManagerLock browserManager;				m_BrowserId = browserManager->AllocBrowserId(m_Browser, this);				ATLASSERT(m_BrowserId!=NULL_BROWSER);			}			// create main window			CreateMainWindow();		}		else		{			BrowserManagerLock browserManager;			CBrowserMessageWindow* bw = browserManager->FindBrowserMessageWindow(m_BrowserId);			ATLASSERT(bw);			bw->SetToolbar(NULL);			browserManager->ReleaseBrowserId(m_BrowserId);			m_BrowserId = NULL_BROWSER;		}	}	catch (CXRefreshRuntimeError &ex)	{		HandleError(ex.ErrorMessage());		return E_FAIL;	}	return S_OK;}

Chan*fsopen(Chan *c, int mode){	osenter();	FS(c)->fd = open(FS(c)->name->s, mode);	osleave();	if(FS(c)->fd < 0)		fserr(FS(c));	c->mode = openmode(mode);	c->offset = 0;	FS(c)->offset = 0;	c->flag |= COPEN;	return c;}

void PExprTestLaunch(){	char* sourceTest = "sourceTest.txt";	ifstream FS(sourceTest);	string FN;	while (true)	{		if (FS.eof())			break;		getline(FS, FN);		try		{			Parser P(FN.c_str());			P.ParserExprTEST();			P.PrintExprTree(FN.substr(0, FN.length() - 3) + "out", true);			//printf("%lf/n", P.CalcTree());		}		catch (exception a)		{			printf_s("/n%s/n/n", a.what());			continue;		}	}	return;}

// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~// init_sequences// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~void init_sequences(){	extern Sequence_Wrapper g_sequences;	// Local Variables	SystemParameters    sysParams;    char filename[100];    gdk_threads_enter();    // Get GDK lock    int     Br = BITRATE();    int     Bs = BLOCKSIZE();    char*   Fn = SEQFILENAME();    int     Fs = FS();    gdk_threads_leave();    // Release GDK lock    // Set up system parameters    sysParams.setSamplingRate(Fs);    sysParams.setBlockSize(Bs);	sysParams.setBitRate(Br);	// Set up the sequences!    g_snprintf(filename,100,"../res/%s",Fn);	g_sequences.setSystemParameters(&sysParams);	g_sequences.load_sequences_from_file(filename);	g_sequences.print_sequences();}

	bool CheckExtraTree(FULogFile& fileOut, FCDExtra* extra, bool hasTypes)	{		FailIf(extra == NULL);		// Find and verify the one technique		FailIf(extra->GetDefaultType()->GetTechniqueCount() < 1); // note that FCDLight adds some <extra> elements of its own.		FCDETechnique* technique = extra->GetDefaultType()->FindTechnique("FCTEI_TestProfile");		FailIf(technique == NULL);		// Find and verify the base parameter tree node		FailIf(technique->GetChildNodeCount() != 1);		FCDENode* baseNode = technique->GetChildNode(0);		PassIf(baseNode != NULL);		PassIf(extra->GetDefaultType()->FindRootNode("MainParameterTree") == baseNode);		// Verify the base node attributes		PassIf(baseNode->GetAttributeCount() == 2);		FCDEAttribute* a1 = baseNode->FindAttribute("Vicious");		FCDEAttribute* a2 = baseNode->FindAttribute("Gross");		FailIf(a1 == NULL);		FailIf(a2 == NULL);		FailIf(a1 == a2);		PassIf(IsEquivalent(a1->GetValue(), FC("Squirrel")));		PassIf(IsEquivalent(FUStringConversion::ToUInt32(a2->GetValue()), (uint32)1002));		// Identify the base node leaves		PassIf(baseNode->GetChildNodeCount() == 2);		FCDENode* leaf0 = NULL,* leaf3 = NULL;		for (size_t i = 0; i < 2; ++i)		{			FCDENode* leaf = baseNode->GetChildNode(i);			PassIf(IsEquivalent(leaf->GetName(), "SomeParameter"));			FCDEAttribute* guts = leaf->FindAttribute("Guts");			FailIf(guts == NULL || guts->GetValue().empty());			uint32 gutsIndex = FUStringConversion::ToUInt32(guts->GetValue());			if (gutsIndex == 0) { FailIf(leaf0 != NULL); leaf0 = leaf; }			else if (gutsIndex == 3) { FailIf(leaf3 != NULL); leaf3 = leaf; }			else Fail;		}		FailIf(leaf0 == NULL || leaf3 == NULL);		// Verify the base node leaves		PassIf(leaf0->GetChildNodeCount() == 0);		PassIf(leaf3->GetChildNodeCount() == 0);		PassIf(leaf0->GetAttributeCount() == 1);		PassIf(leaf3->GetAttributeCount() == 1);		PassIf(IsEquivalent(leaf0->GetContent(), FC("Test_SomeParameter")));		PassIf(IsEquivalent(leaf3->GetContent(), FS("Test_ThatParameter!")));		if (hasTypes)		{			// Verify the second extra type			// Empty named-types should be imported without complaints or merging.			FCDEType* secondType = extra->FindType("verificator");			PassIf(secondType != NULL);			PassIf(secondType != extra->GetDefaultType());			PassIf(secondType->GetTechniqueCount() == 0);		}		return true;	}

STDMETHODIMP CUpgradrScriptDebugger::OnDebugOutput(LPCOLESTR pstr){	Sleep(0);	DT(TRACE_W(FS(_T("CUpgradrScriptDebugger::OnDebugOutput(%S)"), pstr)));	return S_OK;}

void ToolPageLayer::setLayerCount(int layer, int selected){	XOJ_CHECK_TYPE(ToolPageLayer);	this->inCbUpdate = true;	int count = gtk_tree_model_iter_n_children(gtk_combo_box_get_model(GTK_COMBO_BOX(this->layerComboBox)), NULL);	for (int i = count - 1; i >= 0; i--)	{		gtk_combo_box_remove_text(GTK_COMBO_BOX(this->layerComboBox), i);	}	gtk_combo_box_append_text(GTK_COMBO_BOX(this->layerComboBox), _C("Background"));	for (int i = 1; i <= layer; i++)	{		string text = FS(_F("Layer {1}") % i);		gtk_combo_box_prepend_text(GTK_COMBO_BOX(this->layerComboBox), text.c_str());	}	setSelectedLayer(selected);	this->layerCount = layer;	this->inCbUpdate = false;}

void CAddrDropDownList::OnLButtonUp(UINT nFlags, CPoint point){	SCROLLINFO si = { sizeof(SCROLLINFO), SIF_POS };	GetScrollInfo(SB_VERT, &si);	int iDelta = s()->Combo()->GetComboDropdownItemBackgroundHeight(m_bBigDropDown);	int iSelection = (point.y + si.nPos) / iDelta;	RECT rcClient;	GetClientRect(&rcClient);	RECT rcItem = { 0, iSelection*iDelta,  rcClient.right, (iSelection + 1) * iDelta };	CPoint pt = point;	pt.y += si.nPos;	// 
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