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DirectoryIterator_UNIX.cpp

//
// DirectoryIterator_UNIX.cpp
//
// $Id: //poco/1.2/Foundation/src/DirectoryIterator_UNIX.cpp#1 $
//
// Library: Foundation
// Package: Filesystem
// Module:  DirectoryIterator
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "Poco/DirectoryIterator_UNIX.h"
#include "Poco/File_UNIX.h"
#include "Poco/Path.h"


namespace Poco {


DirectoryIteratorImpl::DirectoryIteratorImpl(const std::string& path): _pDir(0), _rc(1)
{
      Path p(path);
      p.makeFile();

      _pDir = opendir(p.toString().c_str());
      if (!_pDir) FileImpl::handleError(path);

      next();
}


DirectoryIteratorImpl::~DirectoryIteratorImpl()
{
      if (_pDir) closedir(_pDir);
}


const std::string& DirectoryIteratorImpl::next()
{
      do
      {
            struct dirent* pEntry = readdir(_pDir);
            if (pEntry)
                  _current = pEntry->d_name;
            else
                  _current.clear();
      }
      while (_current == "." || _current == "..");
      return _current;
}


} // namespace Poco

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