FileInfo.h

/*
 * Copyright (C) 2006-2013 Marc Boris Duerner
 * 
 * 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; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * As a special exception, you may use this file as part of a free
 * software library without restriction. Specifically, if other files
 * instantiate templates or use macros or inline functions from this
 * file, or you compile this file and link it with other files to
 * produce an executable, this file does not by itself cause the
 * resulting executable to be covered by the GNU General Public
 * License. This exception does not however invalidate any other
 * reasons why the executable file might be covered by the GNU Library
 * General Public 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
 */

#ifndef Pt_System_FileInfo_h
#define Pt_System_FileInfo_h

#include <Pt/System/Api.h>
#include <Pt/System/Path.h>
#include <Pt/DateTime.h>
#include <Pt/String.h>
#include <Pt/Types.h>
#include <string>

namespace Pt {

namespace System {

class PT_SYSTEM_API FileInfo
{
    public:
        enum Type
        {
            Invalid = 0,   
            Directory = 1, 
            File = 2       
        };

    public:
        FileInfo()
        {}

        explicit FileInfo(const Path& path);

        explicit FileInfo(const Pt::String& path);

        explicit FileInfo(const char* path);

        ~FileInfo()
        {}

        void clear();

        const Path& path() const
        { return _path; }

        Pt::uint64_t size() const
        { return FileInfo::size(_path); }

        Type type() const
        { return FileInfo::type(_path); }

    public:
        static Type type(const Path& path);

        static Pt::uint64_t size(const Path& path);

        static DateTime lastModified(const Path& path);

        static bool exists(const Path& path)
        { return type(path) != Invalid; }

        static void createFile(const Path& path);

        static void createDirectory(const Path& path);

        static void createDirectories(const Path& path);

        static void resize(const Path& path, Pt::uint64_t n);

        static void remove(const Path& path);

        static void removeAll(const Pt::System::Path& path);

        static void move(const Path& path, const Path& to);

    public:
        Path& path()
        { return _path; }
    
    private:
        Path _path;
};


inline bool operator<(const FileInfo& a, const FileInfo& b)
{
    return a.path() < b.path();
}

inline bool operator==(const FileInfo& a, const FileInfo& b)
{
    return a.path() == b.path();
}

inline bool operator!=(const FileInfo& a, const FileInfo& b)
{
    return !(a == b);
}

} // namespace System

} // namespace Pt

#endif // Pt_System_FileInfo_h