mirror of
https://github.com/libretro/scummvm.git
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166 lines
3.8 KiB
C++
166 lines
3.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*/
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#include "common/util.h"
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#include "common/system.h"
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#include "backends/fs/abstract-fs.h"
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#include "backends/fs/fs-factory.h"
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namespace Common {
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FSNode::FSNode() {
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}
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FSNode::FSNode(AbstractFSNode *realNode)
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: _realNode(realNode) {
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}
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FSNode::FSNode(const Common::String &p) {
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FilesystemFactory *factory = g_system->getFilesystemFactory();
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AbstractFSNode *tmp = 0;
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if (p.empty() || p == ".")
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tmp = factory->makeCurrentDirectoryFileNode();
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else
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tmp = factory->makeFileNodePath(p);
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_realNode = Common::SharedPtr<AbstractFSNode>(tmp);
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}
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bool FSNode::operator<(const FSNode& node) const {
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if (isDirectory() != node.isDirectory())
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return isDirectory();
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return getDisplayName().compareToIgnoreCase(node.getDisplayName()) < 0;
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}
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bool FSNode::exists() const {
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if (_realNode == 0)
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return false;
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return _realNode->exists();
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}
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FSNode FSNode::getChild(const Common::String &n) const {
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// If this node is invalid or not a directory, return an invalid node
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if (_realNode == 0 || !_realNode->isDirectory())
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return FSNode();
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AbstractFSNode *node = _realNode->getChild(n);
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return FSNode(node);
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}
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bool FSNode::getChildren(FSList &fslist, ListMode mode, bool hidden) const {
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if (!_realNode || !_realNode->isDirectory())
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return false;
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AbstractFSList tmp;
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if (!_realNode->getChildren(tmp, mode, hidden))
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return false;
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fslist.clear();
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for (AbstractFSList::iterator i = tmp.begin(); i != tmp.end(); ++i) {
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fslist.push_back(FSNode(*i));
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}
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return true;
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}
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Common::String FSNode::getDisplayName() const {
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assert(_realNode);
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return _realNode->getDisplayName();
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}
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Common::String FSNode::getName() const {
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assert(_realNode);
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return _realNode->getName();
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}
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FSNode FSNode::getParent() const {
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if (_realNode == 0)
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return *this;
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AbstractFSNode *node = _realNode->getParent();
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if (node == 0) {
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return *this;
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} else {
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return FSNode(node);
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}
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}
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Common::String FSNode::getPath() const {
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assert(_realNode);
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return _realNode->getPath();
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}
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bool FSNode::isDirectory() const {
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if (_realNode == 0)
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return false;
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return _realNode->isDirectory();
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}
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bool FSNode::isReadable() const {
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if (_realNode == 0)
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return false;
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return _realNode->isReadable();
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}
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bool FSNode::isWritable() const {
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if (_realNode == 0)
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return false;
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return _realNode->isWritable();
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}
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Common::SeekableReadStream *FSNode::openForReading() const {
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if (_realNode == 0)
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return 0;
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if (!_realNode->exists()) {
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warning("FSNode::openForReading: FSNode does not exist");
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return false;
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} else if (_realNode->isDirectory()) {
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warning("FSNode::openForReading: FSNode is a directory");
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return false;
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}
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return _realNode->openForReading();
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}
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Common::WriteStream *FSNode::openForWriting() const {
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if (_realNode == 0)
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return 0;
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if (_realNode->isDirectory()) {
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warning("FSNode::openForWriting: FSNode is a directory");
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return 0;
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}
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return _realNode->openForWriting();
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}
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} // End of namespace Common
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