73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include "td/utils/common.h"
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#include "td/utils/port/FileFd.h"
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#include "td/utils/Slice.h"
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#include "td/utils/Status.h"
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#include <functional>
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#include <type_traits>
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#include <utility>
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namespace td {
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Status mkdir(CSlice dir, int32 mode = 0700) TD_WARN_UNUSED_RESULT;
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Status mkpath(CSlice path, int32 mode = 0700) TD_WARN_UNUSED_RESULT;
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Status rename(CSlice from, CSlice to) TD_WARN_UNUSED_RESULT;
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Result<string> realpath(CSlice slice, bool ignore_access_denied = false) TD_WARN_UNUSED_RESULT;
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Status chdir(CSlice dir) TD_WARN_UNUSED_RESULT;
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Status rmdir(CSlice dir) TD_WARN_UNUSED_RESULT;
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Status unlink(CSlice path) TD_WARN_UNUSED_RESULT;
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Status rmrf(CSlice path) TD_WARN_UNUSED_RESULT;
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Status set_temporary_dir(CSlice dir) TD_WARN_UNUSED_RESULT;
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CSlice get_temporary_dir();
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Result<std::pair<FileFd, string>> mkstemp(CSlice dir) TD_WARN_UNUSED_RESULT;
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Result<string> mkdtemp(CSlice dir, Slice prefix) TD_WARN_UNUSED_RESULT;
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class WalkPath {
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public:
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enum class Action { Continue, Abort, SkipDir };
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enum class Type { EnterDir, ExitDir, NotDir };
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template <class F, class R = decltype(std::declval<F>()("", Type::ExitDir))>
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static TD_WARN_UNUSED_RESULT std::enable_if_t<std::is_same<R, Action>::value, Status> run(CSlice path, F &&func) {
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return do_run(path, func);
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}
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template <class F, class R = decltype(std::declval<F>()("", Type::ExitDir))>
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static TD_WARN_UNUSED_RESULT std::enable_if_t<!std::is_same<R, Action>::value, Status> run(CSlice path, F &&func) {
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return do_run(path, [&](CSlice name, Type type) {
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func(name, type);
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return Action::Continue;
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});
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}
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private:
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static TD_WARN_UNUSED_RESULT Status do_run(CSlice path,
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const std::function<WalkPath::Action(CSlice name, Type type)> &func);
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};
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// deprecated interface
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template <class F>
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TD_WARN_UNUSED_RESULT Status walk_path(CSlice path, F &&func) {
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return WalkPath::run(path, func);
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}
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} // namespace td
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