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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*/
#ifndef ABSTRACT_FILESYSTEM_FACTORY_H
#define ABSTRACT_FILESYSTEM_FACTORY_H
#include "common/str.h"
#include "backends/fs/abstract-fs.h"
/**
* Creates concrete FilesystemNode objects depending on the current architecture.
*/
class AbstractFilesystemFactory {
public:
typedef Common::String String;
/**
* Destructor.
*/
virtual ~AbstractFilesystemFactory() {}
/**
* Returns a node representing the "current directory".
* If your system does not support this concept, you can either try to
* emulate it or simply return some "sensible" default directory node,
* e.g. the same value as getRoot() returns.
*/
virtual AbstractFilesystemNode *makeCurrentDirectoryFileNode() const = 0;
/**
* Construct a node based on a path; the path is in the same format as it
* would be for calls to fopen().
*
* Furthermore getNodeForPath(oldNode.path()) should create a new node
* identical to oldNode. Hence, we can use the "path" value for persistent
* storage e.g. in the config file.
*
* @param path The path string to create a FilesystemNode for.
*/
virtual AbstractFilesystemNode *makeFileNodePath(const String &path) const = 0;
/**
* Returns a special node representing the filesystem root.
* The starting point for any file system browsing.
*
* On Unix, this will be simply the node for / (the root directory).
* On Windows, it will be a special node which "contains" all drives (C:, D:, E:).
*/
virtual AbstractFilesystemNode *makeRootFileNode() const = 0;
/**
* Meta-factory method which returns a concrete AbstractFilesystemFactory
* instance depending on the current architecture.
*/
static AbstractFilesystemFactory *makeFSFactory();
};
#endif /*ABSTRACT_FILESYSTEM_FACTORY_H*/
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