Danny Robson
0e3fa05f05
ipp files weren't a great way of keeping things clean, and IDEs have a little trouble dealing with the split configuration. this simplifies debugging a great deal.
61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2015 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __UTIL_POSIX_DIR_HPP
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#define __UTIL_POSIX_DIR_HPP
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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 <experimental/filesystem>
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namespace util::posix {
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struct dir {
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public:
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explicit dir (const std::experimental::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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func (cursor->d_name, args...);
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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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#endif
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