Function ExtractFilePath

phxqueue/comm/utils/file_util.cpp:156–175

int ExtractFilePath(const string &file_path, string *dir, string *file_name) {
    const auto pos(file_path.find_last_of("/"));
    if (string::npos == pos) {
        if (dir) {
            *dir = "";
        }
        if (file_name) {
            *file_name = file_path;
        }
    } else {
        if (dir) {
            *dir = file_path.substr(0, pos - 1);
        }
        if (file_name) {
            *file_name = file_path.substr(pos + 1);
        }
    }

    return 0;
}

int RemoveFile(const string &file_path) {
    int ret{0};