89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
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/*
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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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#include "dir.hpp"
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#include "../except.hpp"
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using util::posix::dir;
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///////////////////////////////////////////////////////////////////////////////
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//struct entry {
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//public:
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// entry (dirent *_handle, DIR *_parent): m_handle (_handle), m_parent (_parent) { ; }
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//
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// const char* name (void) const { return m_handle->d_name; }
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//
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// entry& operator++ (void) {
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// dirent *next = readdir (m_parent);
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// assert (!next || next != m_handle);
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// m_handle = next;
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// return *this;
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// }
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//
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// entry& operator* (void) { return *this; }
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// const entry& operator* (void) const;
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// bool operator!= (entry rhs) const { return m_handle != rhs.m_handle || m_parent != rhs.m_parent; }
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//
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// struct dirent *m_handle;
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// DIR *m_parent;
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//};
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///////////////////////////////////////////////////////////////////////////////
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dir::dir (const char *path):
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m_handle (opendir (path))
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{
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if (!m_handle)
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errno_error::throw_code ();
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}
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//-----------------------------------------------------------------------------
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dir::~dir ()
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{
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errno_error::try_code (closedir (m_handle));
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}
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///////////////////////////////////////////////////////////////////////////////
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dir::operator DIR* (void)
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{
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return m_handle;
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}
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///////////////////////////////////////////////////////////////////////////////
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void
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dir::scan(std::function<void(const char*)> cb)
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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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cb (cursor->d_name);
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errno_error::try_code ();
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}
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///////////////////////////////////////////////////////////////////////////////
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void
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dir::rewind (void)
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{
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rewinddir (m_handle);
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}
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