Directory.h

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//=============================================================================
//  Computational Process Networks class library
//  Copyright (C) 1997-2006  Gregory E. Allen and The University of Texas
//
//  This library is free software; you can redistribute it and/or modify it
//  under the terms of the GNU Library General Public License as published
//  by the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  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
//  Library General Public License for more details.
//
//  The GNU Public License is available in the file LICENSE, or you
//  can write to the Free Software Foundation, Inc., 59 Temple Place -
//  Suite 330, Boston, MA 02111-1307, USA, or you can find it on the
//  World Wide Web at http://www.fsf.org.
//=============================================================================
#ifndef DIRECTORY_H
#define DIRECTORY_H
#pragma once
#include <cpn/common.h>
#include <string>
#include <sys/types.h>
#include <dirent.h>
#include <sys/stat.h>
#include <unistd.h>

class Directory {
public:
    Directory(const std::string &dirname_);

    ~Directory();

    void Rewind();

    bool End() const { return entry == 0; }

    std::string BaseName() const;
    std::string FullName() const { return DirName() + "/" + BaseName(); }
    std::string DirName() const { return dirname; }

    void Next();

    bool IsDirectory() const;
    bool IsRegularFile() const;
    std::size_t Size() const;
private:
    void Stat() const;
    DIR *dir;
    std::string dirname;
    dirent *entry;
    mutable struct stat status;
    mutable bool stated;
};


#endif