// // Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022 // // Distributed under the Boost Software License, Version 1.0. (See accompanying // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) // #pragma once #include "td/utils/common.h" #include "td/utils/port/FileFd.h" #include "td/utils/Slice.h" #include "td/utils/Status.h" #include <functional> #include <type_traits> #include <utility> namespace td { Status mkdir(CSlice dir, int32 mode = 0700) TD_WARN_UNUSED_RESULT; Status mkpath(CSlice path, int32 mode = 0700) TD_WARN_UNUSED_RESULT; Status rename(CSlice from, CSlice to) TD_WARN_UNUSED_RESULT; Result<string> realpath(CSlice slice, bool ignore_access_denied = false) TD_WARN_UNUSED_RESULT; Status chdir(CSlice dir) TD_WARN_UNUSED_RESULT; Status rmdir(CSlice dir) TD_WARN_UNUSED_RESULT; Status unlink(CSlice path) TD_WARN_UNUSED_RESULT; Status rmrf(CSlice path) TD_WARN_UNUSED_RESULT; Status set_temporary_dir(CSlice dir) TD_WARN_UNUSED_RESULT; CSlice get_temporary_dir(); Result<std::pair<FileFd, string>> mkstemp(CSlice dir) TD_WARN_UNUSED_RESULT; Result<string> mkdtemp(CSlice dir, Slice prefix) TD_WARN_UNUSED_RESULT; class WalkPath { public: enum class Action { Continue, Abort, SkipDir }; enum class Type { EnterDir, ExitDir, NotDir }; template <class F, class R = decltype(std::declval<F>()("", Type::ExitDir))> static TD_WARN_UNUSED_RESULT std::enable_if_t<std::is_same<R, Action>::value, Status> run(CSlice path, F &&func) { return do_run(path, func); } template <class F, class R = decltype(std::declval<F>()("", Type::ExitDir))> static TD_WARN_UNUSED_RESULT std::enable_if_t<!std::is_same<R, Action>::value, Status> run(CSlice path, F &&func) { return do_run(path, [&](CSlice name, Type type) { func(name, type); return Action::Continue; }); } private: static TD_WARN_UNUSED_RESULT Status do_run(CSlice path, const std::function<WalkPath::Action(CSlice name, Type type)> &func); }; // deprecated interface template <class F> TD_WARN_UNUSED_RESULT Status walk_path(CSlice path, F &&func) { return WalkPath::run(path, func); } } // namespace td