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Diffstat (limited to 'backends/fs/abstract-fs-factory.h')
-rw-r--r-- | backends/fs/abstract-fs-factory.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/backends/fs/abstract-fs-factory.h b/backends/fs/abstract-fs-factory.h new file mode 100644 index 0000000000..c826ef2745 --- /dev/null +++ b/backends/fs/abstract-fs-factory.h @@ -0,0 +1,73 @@ +/* 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; +}; + +#endif /*ABSTRACT_FILESYSTEM_FACTORY_H*/ |