C++ WStrVec::RemoveAt方法代码示例

 bool Delete(int index) {
     if (index < Count()) {
         free(text.At(index));
         text.RemoveAt(index);
         return true;
     }
     return false;
 }

WCHAR *DirFileProvider::NextFile()
{
    while (filesToOpen.Count() > 0) {
        ScopedMem<WCHAR> path(filesToOpen.At(0));
        filesToOpen.RemoveAt(0);
        return path.StealData();
    }

    if (dirsToVisit.Count() > 0) {
        // test next directory
        ScopedMem<WCHAR> path(dirsToVisit.At(0));
        dirsToVisit.RemoveAt(0);
        OpenDir(path);
        return NextFile();
    }

    return NULL;
}

static size_t GetAllMatchingFiles(const WCHAR *dir, const WCHAR *filter, WStrVec& files, bool showProgress)
{
    WStrVec dirsToVisit;
    dirsToVisit.Append(str::Dup(dir));

    while (dirsToVisit.Count() > 0) {
        if (showProgress) {
            wprintf(L".");
            fflush(stdout);
        }

        ScopedMem<WCHAR> path(dirsToVisit[0]);
        dirsToVisit.RemoveAt(0);
        CollectStressTestSupportedFilesFromDirectory(path, filter, files);
        ScopedMem<WCHAR> pattern(str::Format(L"%s\\*", path));
        CollectPathsFromDirectory(pattern, dirsToVisit, true);
    }
    return files.Count();
}

// removes thumbnails that don't belong to any frequently used item in file history
void CleanUpThumbnailCache(FileHistory& fileHistory)
{
    ScopedMem<WCHAR> thumbsPath(AppGenDataFilename(THUMBNAILS_DIR_NAME));
    if (!thumbsPath)
        return;
    ScopedMem<WCHAR> pattern(path::Join(thumbsPath, L"*.png"));

    WStrVec files;
    WIN32_FIND_DATA fdata;

    HANDLE hfind = FindFirstFile(pattern, &fdata);
    if (INVALID_HANDLE_VALUE == hfind)
        return;
    do {
        if (!(fdata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
            files.Append(str::Dup(fdata.cFileName));
    } while (FindNextFile(hfind, &fdata));
    FindClose(hfind);

    Vec<DisplayState *> list;
    fileHistory.GetFrequencyOrder(list);
    for (size_t i = 0; i < list.Count() && i < FILE_HISTORY_MAX_FREQUENT * 2; i++) {
        ScopedMem<WCHAR> bmpPath(GetThumbnailPath(list.At(i)->filePath));
        if (!bmpPath)
            continue;
        int idx = files.Find(path::GetBaseName(bmpPath));
        if (idx != -1) {
            CrashIf(idx < 0 || files.Count() <= (size_t)idx);
            WCHAR *fileName = files.At(idx);
            files.RemoveAt(idx);
            free(fileName);
        }
    }

    for (size_t i = 0; i < files.Count(); i++) {
        ScopedMem<WCHAR> bmpPath(path::Join(thumbsPath, files.At(i)));
        file::Delete(bmpPath);
    }
}

//.........这里部分代码省略.........
        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)
            OnMenuPrint(win, i.exitWhenDone);
    }
    if (i.fileNames.Count() > 0 && !win) {