50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* Copyright 2015-2019 Danny Robson <danny@nerdcruft.net>
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*/
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#pragma once
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#include "except.hpp"
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#include <cerrno>
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#include <dirent.h>
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#include <functional>
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#include <filesystem>
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namespace cruft::posix {
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struct dir {
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public:
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explicit dir (const std::filesystem::path&);
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~dir ();
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operator DIR* (void);
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// run a callback for each entry in the provided directory
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template <typename FunctionT, typename ...Args>
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void
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scan (FunctionT &&func, Args&&...args)
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{
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rewind ();
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for (dirent *cursor; errno = 0, cursor = readdir (m_handle); )
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std::invoke (func, args..., cursor->d_name);
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error::try_code ();
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}
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//entry begin (void) { rewind (); return { readdir (m_handle), m_handle }; }
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//entry end (void) { return { nullptr, m_handle }; }
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void rewind (void);
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private:
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DIR *m_handle;
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};
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}
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