ndir.cpp

// LICENSE: (Please see the file COPYING for details)
//
// NUS - Nemesis Utilities System: A C++ application development framework 
// Copyright (C) 2006, 2008 Otavio Rodolfo Piske
//
//  This file is part of NUS
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation version 2.1
//  of the License.
//
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
#include "ndir.h"

NDir::NDir(const NString &name)
      : NObject(),
      m_contents(), 
      m_dir_name(name),
      m_dir_handle(NULL)
{
      struct dirent *ent;

      m_dir_handle = opendir(m_dir_name.toChar());
      if (!m_dir_handle) {
            throw NIOException(nerror(errno), m_dir_name, 
                         NException::BASEIO,
                         NIOException::FILE,
                         errno);  
      }

      ent = readdir(m_dir_handle);
      if (!ent) {
            if (errno != 0) {
                  throw NIOException(nerror(errno), m_dir_name, 
                         NException::BASEIO,
                         NIOException::FILE,
                         errno);  
            }
      }
      
      loadContents(ent);
}

NDir::~NDir(void) { 
      closedir(m_dir_handle);
}


void NDir::loadContents(struct dirent *ent) {
      NString tmp_name;

      while (ent) {
            NDebug::print() << "Entry name = " << ent->d_name;
            
            tmp_name = ent->d_name;
            m_contents.append(tmp_name);
            
            
            seekdir(m_dir_handle, ent->d_off);
            ent = readdir(m_dir_handle);
            if (!ent) {
                  if (errno != 0) {
                        throw NIOException(nerror(errno), m_dir_name, 
                              NException::BASEIO,
                              NIOException::FILE,
                              errno);  
                  }
            }
      }

      NDebug::print() << "Added " << m_contents.size() << " entries";
}

NList<NString> NDir::getContents(void) const {
      return m_contents;
}


NString NDir::getName(void) const {
      return m_dir_name;
}

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