mirror of
https://github.com/libretro/scummvm.git
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154 lines
3.5 KiB
C++
154 lines
3.5 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2002-2006 The ScummVM project
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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/stdafx.h"
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#include "backends/fs/abstract-fs.h"
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#include "common/util.h"
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FilesystemNode::FilesystemNode(AbstractFilesystemNode *realNode) {
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_realNode = realNode;
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_refCount = new int(1);
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}
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FilesystemNode::FilesystemNode() {
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_realNode = 0;
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_refCount = 0;
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}
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FilesystemNode::FilesystemNode(const FilesystemNode &node) {
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_realNode = node._realNode;
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_refCount = node._refCount;
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if (_refCount)
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++(*_refCount);
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}
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FilesystemNode::FilesystemNode(const Common::String &p) {
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if (p.empty() || p == ".")
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_realNode = AbstractFilesystemNode::getCurrentDirectory();
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else
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_realNode = AbstractFilesystemNode::getNodeForPath(p);
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_refCount = new int(1);
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}
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FilesystemNode::~FilesystemNode() {
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decRefCount();
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}
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void FilesystemNode::decRefCount() {
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if (_refCount) {
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assert(*_refCount > 0);
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--(*_refCount);
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if (*_refCount == 0) {
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delete _refCount;
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delete _realNode;
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}
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}
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}
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FilesystemNode &FilesystemNode::operator =(const FilesystemNode &node) {
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if (node._refCount)
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++(*node._refCount);
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decRefCount();
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_realNode = node._realNode;
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_refCount = node._refCount;
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return *this;
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}
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bool FilesystemNode::isValid() const {
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if (_realNode == 0)
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return false;
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return _realNode->isValid();
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}
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FilesystemNode FilesystemNode::getParent() const {
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if (_realNode == 0)
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return *this;
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AbstractFilesystemNode *node = _realNode->parent();
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if (node == 0) {
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return *this;
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} else {
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return FilesystemNode(node);
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}
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}
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FilesystemNode FilesystemNode::getChild(const String &n) const {
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if (_realNode == 0)
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return *this;
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assert(_realNode->isDirectory());
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AbstractFilesystemNode *node = _realNode->child(n);
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return FilesystemNode(node);
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}
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bool FilesystemNode::listDir(FSList &fslist, ListMode mode) 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->listDir(tmp, mode))
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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(FilesystemNode(*i));
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}
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return true;
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}
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bool FilesystemNode::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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Common::String FilesystemNode::displayName() const {
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assert(_realNode);
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return _realNode->displayName();
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}
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Common::String FilesystemNode::name() const {
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assert(_realNode);
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return _realNode->name();
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}
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Common::String FilesystemNode::path() const {
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assert(_realNode);
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return _realNode->path();
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}
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bool FilesystemNode::operator< (const FilesystemNode& node) const
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{
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if (isDirectory() && !node.isDirectory())
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return true;
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if (!isDirectory() && node.isDirectory())
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return false;
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return scumm_stricmp(displayName().c_str(), node.displayName().c_str()) < 0;
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}
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