diff options
Diffstat (limited to 'backends/fs/fs.cpp')
-rw-r--r-- | backends/fs/fs.cpp | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/backends/fs/fs.cpp b/backends/fs/fs.cpp new file mode 100644 index 0000000000..1c9b7efe5d --- /dev/null +++ b/backends/fs/fs.cpp @@ -0,0 +1,78 @@ +/* ScummVM - Scumm Interpreter + * Copyright (C) 2002-2004 The ScummVM project + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * $Header$ + */ + +#include "stdafx.h" + +#include "fs.h" + +FilesystemNode AbstractFilesystemNode::wrap(AbstractFilesystemNode *node) { + FilesystemNode wrapper; + wrapper._realNode = node; + return wrapper; +} + + +FilesystemNode::FilesystemNode() { + _realNode = getRoot(); + _refCount = new int(1); +} + +FilesystemNode::FilesystemNode(const FilesystemNode &node) + : AbstractFilesystemNode() { + _realNode = node._realNode; + _refCount = node._refCount; + ++(*_refCount); +} + +#ifdef MACOSX +FilesystemNode::FilesystemNode(const String &p) { + _realNode = getNodeForPath(p); + _refCount = new int(1); +} +#endif + +FilesystemNode::~FilesystemNode() { + decRefCount(); +} + +void FilesystemNode::decRefCount() { + --(*_refCount); + if (*_refCount <= 0) { + delete _refCount; + delete _realNode; + } +} + +FilesystemNode &FilesystemNode::operator =(const FilesystemNode &node) { + ++(*node._refCount); + + decRefCount(); + + _realNode = node._realNode; + _refCount = node._refCount; + + return *this; +} + +FilesystemNode FilesystemNode::getParent() const { + FilesystemNode wrapper; + wrapper._realNode = _realNode->parent(); + return wrapper; +} |