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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.
*
* $URL$
* $Id$
*/
#include "common/util.h"
#include "common/system.h"
#include "backends/fs/abstract-fs.h"
#include "backends/fs/fs-factory.h"
namespace Common {
FSNode::FSNode() {
}
FSNode::FSNode(AbstractFSNode *realNode)
: _realNode(realNode) {
}
FSNode::FSNode(const Common::String &p) {
FilesystemFactory *factory = g_system->getFilesystemFactory();
AbstractFSNode *tmp = 0;
if (p.empty() || p == ".")
tmp = factory->makeCurrentDirectoryFileNode();
else
tmp = factory->makeFileNodePath(p);
_realNode = Common::SharedPtr<AbstractFSNode>(tmp);
}
bool FSNode::operator<(const FSNode& node) const {
if (isDirectory() != node.isDirectory())
return isDirectory();
return getDisplayName().compareToIgnoreCase(node.getDisplayName()) < 0;
}
bool FSNode::exists() const {
if (_realNode == 0)
return false;
return _realNode->exists();
}
FSNode FSNode::getChild(const Common::String &n) const {
// If this node is invalid or not a directory, return an invalid node
if (_realNode == 0 || !_realNode->isDirectory())
return FSNode();
AbstractFSNode *node = _realNode->getChild(n);
return FSNode(node);
}
bool FSNode::getChildren(FSList &fslist, ListMode mode, bool hidden) const {
if (!_realNode || !_realNode->isDirectory())
return false;
AbstractFSList tmp;
if (!_realNode->getChildren(tmp, mode, hidden))
return false;
fslist.clear();
for (AbstractFSList::iterator i = tmp.begin(); i != tmp.end(); ++i) {
fslist.push_back(FSNode(*i));
}
return true;
}
Common::String FSNode::getDisplayName() const {
assert(_realNode);
return _realNode->getDisplayName();
}
Common::String FSNode::getName() const {
assert(_realNode);
return _realNode->getName();
}
FSNode FSNode::getParent() const {
if (_realNode == 0)
return *this;
AbstractFSNode *node = _realNode->getParent();
if (node == 0) {
return *this;
} else {
return FSNode(node);
}
}
Common::String FSNode::getPath() const {
assert(_realNode);
return _realNode->getPath();
}
bool FSNode::isDirectory() const {
if (_realNode == 0)
return false;
return _realNode->isDirectory();
}
bool FSNode::isReadable() const {
if (_realNode == 0)
return false;
return _realNode->isReadable();
}
bool FSNode::isWritable() const {
if (_realNode == 0)
return false;
return _realNode->isWritable();
}
Common::SeekableReadStream *FSNode::createReadStream() const {
if (_realNode == 0)
return 0;
if (!_realNode->exists()) {
warning("FSNode::createReadStream: FSNode does not exist");
return false;
} else if (_realNode->isDirectory()) {
warning("FSNode::createReadStream: FSNode is a directory");
return false;
}
return _realNode->createReadStream();
}
Common::WriteStream *FSNode::createWriteStream() const {
if (_realNode == 0)
return 0;
if (_realNode->isDirectory()) {
warning("FSNode::createWriteStream: FSNode is a directory");
return 0;
}
return _realNode->createWriteStream();
}
} // End of namespace Common
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