Method initFileList

reader.go:670–733

nolint:cyclop,funlen

()

//nolint:cyclop,funlen
func (z *Reader) initFileList() {
	z.fileListOnce.Do(func() {
		files := make(map[string]int)
		knownDirs := make(map[string]int)

		dirs := make(map[string]struct{})

		for _, file := range z.File {
			isDir := len(file.Name) > 0 && file.Name[len(file.Name)-1] == '/'

			name := toValidName(file.Name)
			if name == "" {
				continue
			}

			if idx, ok := files[name]; ok {
				z.fileList[idx].isDup = true

				continue
			}

			if idx, ok := knownDirs[name]; ok {
				z.fileList[idx].isDup = true

				continue
			}

			for dir := path.Dir(name); dir != "."; dir = path.Dir(dir) {
				dirs[dir] = struct{}{}
			}

			idx := len(z.fileList)
			entry := fileListEntry{
				name:  name,
				file:  file,
				isDir: isDir,
			}
			z.fileList = append(z.fileList, entry)

			if isDir {
				knownDirs[name] = idx
			} else {
				files[name] = idx
			}
		}

		for dir := range dirs {
			if _, ok := knownDirs[dir]; !ok {
				if idx, ok := files[dir]; ok {
					z.fileList[idx].isDup = true
				} else {
					entry := fileListEntry{
						name:  dir,
						file:  nil,
						isDir: true,
					}
					z.fileList = append(z.fileList, entry)
				}