C++ WStrVec::IterNext方法代码示例

static void CALLBACK ReadDirectoryChangesNotification(DWORD errCode,
    DWORD bytesTransfered, LPOVERLAPPED overlapped)
{
    ScopedCritSec cs(&g_threadCritSec);

    OverlappedEx *over = (OverlappedEx*)overlapped;
    WatchedDir* wd = (WatchedDir*)over->data;

    lf(L"ReadDirectoryChangesNotification() dir: %s, numBytes: %d", wd->dirPath, (int)bytesTransfered);

    CrashIf(wd != wd->overlapped.data);

    if (errCode == ERROR_OPERATION_ABORTED) {
        lf("   ERROR_OPERATION_ABORTED");
        DeleteWatchedDir(wd);
        InterlockedDecrement(&gRemovalsPending);
        return;
    }

    // This might mean overflow? Not sure.
    if (!bytesTransfered)
        return;

    FILE_NOTIFY_INFORMATION *notify = (FILE_NOTIFY_INFORMATION*)wd->buf;

    // collect files that changed, removing duplicates
    WStrVec changedFiles;
    for (;;) {
        ScopedMem<WCHAR> fileName(str::DupN(notify->FileName, notify->FileNameLength / sizeof(WCHAR)));
        // files can get updated either by writing to them directly or
        // by writing to a .tmp file first and then moving that file in place
        // (the latter only yields a RENAMED action with the expected file name)
        if (notify->Action == FILE_ACTION_MODIFIED || notify->Action == FILE_ACTION_RENAMED_NEW_NAME) {
            if (!changedFiles.Contains(fileName)) {
                lf(L"ReadDirectoryChangesNotification() FILE_ACTION_MODIFIED, for '%s'", fileName);
                changedFiles.Append(fileName.StealData());
            } else {
                lf(L"ReadDirectoryChangesNotification() eliminating duplicate notification for '%s'", fileName);
            }
        } else {
            lf(L"ReadDirectoryChangesNotification() action=%d, for '%s'", (int)notify->Action, fileName);
        }

        // step to the next entry if there is one
        DWORD nextOff = notify->NextEntryOffset;
        if (!nextOff)
            break;
        notify = (FILE_NOTIFY_INFORMATION *)((char*)notify + nextOff);
    }

    StartMonitoringDirForChanges(wd);

    for (WCHAR **f = changedFiles.IterStart(); f; f = changedFiles.IterNext()) {
        NotifyAboutFile(wd, *f);
    }
}

static void CALLBACK ReadDirectoryChangesNotification(DWORD errCode,
    DWORD bytesTransfered, LPOVERLAPPED overlapped)
{
    ScopedCritSec cs(&g_threadCritSec);

    OverlappedEx *over = (OverlappedEx*)overlapped;
    WatchedDir* wd = (WatchedDir*)over->data;

    lf(L"ReadDirectoryChangesNotification() dir: %s, numBytes: %d", wd->dirPath, (int)bytesTransfered);

    CrashIf(wd != wd->overlapped.data);

    if (errCode == ERROR_OPERATION_ABORTED) {
        lf("   ERROR_OPERATION_ABORTED");
        DeleteWatchedDir(wd);
        return;
    }

    // This might mean overflow? Not sure.
    if (!bytesTransfered)
        return;

    FILE_NOTIFY_INFORMATION *notify = (FILE_NOTIFY_INFORMATION*)wd->buf;

    // collect files that changed, removing duplicates
    WStrVec changedFiles;
    for (;;) {
        WCHAR *fileName = str::DupN(notify->FileName, notify->FileNameLength / sizeof(WCHAR));
        if (notify->Action == FILE_ACTION_MODIFIED) {
            if (!changedFiles.Contains(fileName)) {
                lf(L"ReadDirectoryChangesNotification() FILE_ACTION_MODIFIED, for '%s'", fileName);
                changedFiles.Append(fileName);
                fileName = NULL;
            } else {
                lf(L"ReadDirectoryChangesNotification() eliminating duplicate notification for '%s'", fileName);
            }
        } else {
            lf(L"ReadDirectoryChangesNotification() action=%d, for '%s'", (int)notify->Action, fileName);
        }
        free(fileName);

        // step to the next entry if there is one
        DWORD nextOff = notify->NextEntryOffset;
        if (!nextOff)
            break;
        notify = (FILE_NOTIFY_INFORMATION *)((char*)notify + nextOff);
    }

    StartMonitoringDirForChanges(wd);

    for (WCHAR **f = changedFiles.IterStart(); f; f = changedFiles.IterNext()) {
        NotifyAboutFile(wd, *f);
    }
}

//.........这里部分代码省略.........

    CrashIf(hInstance != GetModuleHandle(NULL));
    if (!InstanceInit(nCmdShow))
        goto Exit;

    if (i.hwndPluginParent) {
        if (!SetupPluginMode(i))
            goto Exit;
    }

    if (i.printerName) {
        // note: this prints all PDF files. Another option would be to
        // print only the first one
        for (size_t n = 0; n < i.fileNames.Count(); n++) {
            bool ok = PrintFile(i.fileNames.At(n), i.printerName, !i.silent, i.printSettings);
            if (!ok)
                retCode++;
        }
        --retCode; // was 1 if no print failures, turn 1 into 0
        goto Exit;
    }

    bool showStartPage = i.fileNames.Count() == 0 && gGlobalPrefs->rememberOpenedFiles && gGlobalPrefs->showStartPage;
    if (showStartPage) {
        // make the shell prepare the image list, so that it's ready when the first window's loaded
        SHFILEINFO sfi;
        SHGetFileInfo(L".pdf", 0, &sfi, sizeof(sfi), SHGFI_SYSICONINDEX | SHGFI_SMALLICON | SHGFI_USEFILEATTRIBUTES);
    }

    if (gGlobalPrefs->reopenOnce) {
        WStrVec moreFileNames;
        ParseCmdLine(gGlobalPrefs->reopenOnce, moreFileNames);
        moreFileNames.Reverse();
        for (WCHAR **fileName = moreFileNames.IterStart(); fileName; fileName = moreFileNames.IterNext()) {
            i.fileNames.Append(*fileName);
        }
        moreFileNames.RemoveAt(0, moreFileNames.Count());
        str::ReplacePtr(&gGlobalPrefs->reopenOnce, NULL);
    }

    HANDLE hMutex = NULL;
    HWND hPrevWnd = NULL;
    if (i.printDialog || i.stressTestPath || gPluginMode) {
        // TODO: pass print request through to previous instance?
    }
    else if (i.reuseDdeInstance) {
        hPrevWnd = FindWindow(FRAME_CLASS_NAME, NULL);
    }
    else if (gGlobalPrefs->reuseInstance || gGlobalPrefs->useTabs) {
        hPrevWnd = FindPrevInstWindow(&hMutex);
    }
    if (hPrevWnd) {
        for (size_t n = 0; n < i.fileNames.Count(); n++) {
            OpenUsingDde(hPrevWnd, i.fileNames.At(n), i, 0 == n);
        }
        goto Exit;
    }

    WindowInfo *win = NULL;
    for (size_t n = 0; n < i.fileNames.Count(); n++) {
        win = LoadOnStartup(i.fileNames.At(n), i, !win);
        if (!win) {
            retCode++;
            continue;
        }
        if (i.printDialog)