C++ (Cpp) env_var_t::to_list Examples

Example #1

File: expand.cpp Project: raichoo/fish-shell

wcstring expand_escape_variable(const env_var_t &var) {
    wcstring buff;
    wcstring_list_t lst;

    var.to_list(lst);
    if (lst.size() == 0) {
        ;  // empty list expands to nothing
    } else if (lst.size() == 1) {
        const wcstring &el = lst.at(0);

        if (el.find(L' ') != wcstring::npos && is_quotable(el)) {
            buff.append(L"'");
            buff.append(el);
            buff.append(L"'");
        } else {
            buff.append(escape_string(el, 1));
        }
    } else {
        for (size_t j = 0; j < lst.size(); j++) {
            const wcstring &el = lst.at(j);
            if (j) buff.append(L"  ");

            if (is_quotable(el)) {
                buff.append(L"'");
                buff.append(el);
                buff.append(L"'");
            } else {
                buff.append(escape_string(el, 1));
            }
        }
    }

    return buff;
}