Directory.h

/*
 *  Directory class interface
 *
 *  This file is part of OTAWA
 *  Copyright (c) 2005-12, IRIT UPS.
 *
 *  OTAWA is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  OTAWA 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with OTAWA; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef ELM_SYS_DIRECTORY_H
#define ELM_SYS_DIRECTORY_H
 
#include <elm/PreIterator.h>
#include <elm/sys/FileItem.h>
 
namespace elm { namespace sys {
 
// File class
class Directory: public FileItem {
    friend class FileItem;
    Directory(Path path, ino_t inode);
public:
 
    static LockPtr<Directory> make(Path path);
 
    // Children iterator
    class Iter {
    public:
        typedef LockPtr<FileItem> t;
 
        Iter(LockPtr<Directory> directory);
        ~Iter(void);
        bool ended(void) const;
        t item(void) const;
        void next(void);
        bool equals(const Iter& i) const;
 
        inline operator bool() const { return !ended(); }
        inline operator t() const { return item(); }
        inline t operator*() const { return item(); }
        inline t operator->() const { return item(); }
        inline Iter& operator++() { next(); return *this; }
        inline void operator++(int) { next(); }
        inline bool operator==(const Iter& i) const { return equals(i); }
        inline bool operator!=(const Iter& i) const { return !equals(i); }
 
    private:
        Path path;
        void *dir;
        LockPtr<FileItem> file;
        void go(void);
    };
 
    LockPtr<Directory> toDirectory(void) override;
};
 
} } // elm::system
 
#endif // ELM_SYS_DIRECTORY_H