148892f102
It allows to get access to additional directories outside of the sandbox root. This is used on iOS to access files in the app bundle.
124 lines
3.8 KiB
C++
124 lines
3.8 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, const Common::String &drive) {
|
|
_root = Common::normalizePath(root, '/');
|
|
_drive = drive;
|
|
_realNode = node;
|
|
}
|
|
|
|
ChRootFilesystemNode::ChRootFilesystemNode(const Common::String &root, const Common::String &path, const Common::String &drive) {
|
|
_root = Common::normalizePath(root, '/');
|
|
_drive = drive;
|
|
_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 _drive + Common::String(path.c_str() + _root.size());
|
|
return _drive + "/";
|
|
}
|
|
|
|
bool ChRootFilesystemNode::isDirectory() const {
|
|
return _realNode->isDirectory();
|
|
}
|
|
|
|
bool ChRootFilesystemNode::isReadable() const {
|
|
return _realNode->isReadable();
|
|
}
|
|
|
|
bool ChRootFilesystemNode::isWritable() const {
|
|
// Assume virtual drives are not writable
|
|
if (!_drive.empty())
|
|
return false;
|
|
return _realNode->isWritable();
|
|
}
|
|
|
|
AbstractFSNode *ChRootFilesystemNode::getChild(const Common::String &n) const {
|
|
return new ChRootFilesystemNode(_root, (POSIXFilesystemNode *)_realNode->getChild(n), _drive);
|
|
}
|
|
|
|
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, _drive));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
AbstractFSNode *ChRootFilesystemNode::getParent() const {
|
|
if (getPath() == _drive + "/")
|
|
return nullptr;
|
|
return new ChRootFilesystemNode(_root, (POSIXFilesystemNode *)_realNode->getParent(), _drive);
|
|
}
|
|
|
|
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
|