scummvm/backends/fs/chroot/chroot-fs.cpp
2021-12-26 18:48:43 +01:00

119 lines
3.6 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#if defined(POSIX)
#include "backends/fs/chroot/chroot-fs.h"
ChRootFilesystemNode::ChRootFilesystemNode(const Common::String &root, POSIXFilesystemNode *node) {
_root = Common::normalizePath(root, '/');
_realNode = node;
}
ChRootFilesystemNode::ChRootFilesystemNode(const Common::String &root, const Common::String &path) {
_root = Common::normalizePath(root, '/');
_realNode = new POSIXFilesystemNode(addPathComponent(root, path));
}
ChRootFilesystemNode::~ChRootFilesystemNode() {
delete _realNode;
}
bool ChRootFilesystemNode::exists() const {
return _realNode->exists();
}
Common::U32String ChRootFilesystemNode::getDisplayName() const {
return _realNode->getDisplayName();
}
Common::String ChRootFilesystemNode::getName() const {
return _realNode->getName();
}
Common::String ChRootFilesystemNode::getPath() const {
Common::String path = _realNode->getPath();
if (path.size() > _root.size()) {
return Common::String(path.c_str() + _root.size());
}
return Common::String("/");
}
bool ChRootFilesystemNode::isDirectory() const {
return _realNode->isDirectory();
}
bool ChRootFilesystemNode::isReadable() const {
return _realNode->isReadable();
}
bool ChRootFilesystemNode::isWritable() const {
return _realNode->isWritable();
}
AbstractFSNode *ChRootFilesystemNode::getChild(const Common::String &n) const {
return new ChRootFilesystemNode(_root, (POSIXFilesystemNode *)_realNode->getChild(n));
}
bool ChRootFilesystemNode::getChildren(AbstractFSList &list, ListMode mode, bool hidden) const {
AbstractFSList tmp;
if (!_realNode->getChildren(tmp, mode, hidden)) {
return false;
}
for (AbstractFSList::iterator i=tmp.begin(); i!=tmp.end(); ++i) {
list.push_back(new ChRootFilesystemNode(_root, (POSIXFilesystemNode *) *i));
}
return true;
}
AbstractFSNode *ChRootFilesystemNode::getParent() const {
if (getPath() == "/") return 0;
return new ChRootFilesystemNode(_root, (POSIXFilesystemNode *)_realNode->getParent());
}
Common::SeekableReadStream *ChRootFilesystemNode::createReadStream() {
return _realNode->createReadStream();
}
Common::SeekableWriteStream *ChRootFilesystemNode::createWriteStream() {
return _realNode->createWriteStream();
}
bool ChRootFilesystemNode::createDirectory() {
return _realNode->createDirectory();
}
Common::String ChRootFilesystemNode::addPathComponent(const Common::String &path, const Common::String &component) {
const char sep = '/';
if (path.lastChar() == sep && component.firstChar() == sep) {
return Common::String::format("%s%s", path.c_str(), component.c_str() + 1);
}
if (path.lastChar() == sep || component.firstChar() == sep) {
return Common::String::format("%s%s", path.c_str(), component.c_str());
}
return Common::String::format("%s%c%s", path.c_str(), sep, component.c_str());
}
#endif