public function filterFile(string $file = null)
{
$file = DocMen::convertUnixPath($file);
if (!isset($this->_files[$file])) {
$isFile = is_file($file) && is_readable($file);
$dir = $this->source;
$base = $dir . '/';
if (!$isFile) {
// 空文件，将视作为php internal
if (empty($file)) {
$dir = $this->addDir('');
$path = '';
$priority = 0;
} else {
return false;
}
} else {
if (strpos($file, $base) === 0) {
$path = substr($file, strlen($base));
} else {
$dir = compare_path($this->source, $file);
if (empty($dir)) {
$dir = $this->addDir(dirname($file));
$path = basename($file);
} else {
$dir = $this->addDir($dir);
$path = substr($file, strlen($dir . '/'));
}
}
}
$key = $path;
$id = $this->getDirIndex($dir);
$data = ['isFile' => is_file($file), 'dir' => $id, 'path' => $path];
// 写入基础数据
$this->_files[$file] = $this->_files[$path] = $key;
$this->files[$key] = $data;
// 写入排序数据
$this->_filesSort['priority'][$path] = $this->getFilePriority($path);
$this->_filesSort['external'][$path] = $id;
$this->_filesSort['depth'][$path] = count(explode('/', $path));
$this->_filesSort['name'][$path] = $path;
return $data;
}
$index = $this->_files[$file];
return $this->files[$index];
}
