libcruft-util/posix/dir.hpp

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/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright 2015 Danny Robson <danny@nerdcruft.net>
*/
#ifndef __UTIL_POSIX_DIR_HPP
#define __UTIL_POSIX_DIR_HPP
#include <sys/types.h>
#include <dirent.h>
#include <functional>
namespace util { namespace posix {
//struct entry {
//public:
// entry (dirent *_handle, DIR *_parent): m_handle (_handle), m_parent (_parent) { ; }
// const char* name (void) const { return m_handle->d_name; }
// entry& operator++ (void) {
// dirent *next = readdir (m_parent);
// assert (!next || next != m_handle);
// m_handle = next;
// return *this;
// }
// entry& operator* (void) { return *this; }
// const entry& operator* (void) const;
// bool operator!= (entry rhs) const { return m_handle != rhs.m_handle || m_parent != rhs.m_parent; }
// struct dirent *m_handle;
// DIR *m_parent;
//};
struct dir {
public:
dir (const char *path);
~dir ();
operator DIR* (void);
template <typename ...Args>
void
scan (std::function<void(const char*, Args&...)>, Args&...);
template <typename ...Args>
void
scan (void (*) (const char*, Args&...), Args&...);
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//entry begin (void) { rewind (); return { readdir (m_handle), m_handle }; }
//entry end (void) { return { nullptr, m_handle }; }
void rewind (void);
private:
DIR *m_handle;
};
} }
#include "./dir.ipp"
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#endif