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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 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)
#define FORBIDDEN_SYMBOL_EXCEPTION_time_h
#define FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
#define FORBIDDEN_SYMBOL_EXCEPTION_mkdir
#define FORBIDDEN_SYMBOL_EXCEPTION_exit //Needed for IRIX's unistd.h
#define FORBIDDEN_SYMBOL_EXCEPTION_random
#define FORBIDDEN_SYMBOL_EXCEPTION_srandom
#include <unistd.h>
#include "backends/fs/chroot/chroot-fs-factory.h"
#include "backends/fs/chroot/chroot-fs.h"
ChRootFilesystemFactory::ChRootFilesystemFactory(const Common::String &root)
: _root(root) {
}
AbstractFSNode *ChRootFilesystemFactory::makeRootFileNode() const {
return new ChRootFilesystemNode(_root, "/");
}
AbstractFSNode *ChRootFilesystemFactory::makeCurrentDirectoryFileNode() const {
char buf[MAXPATHLEN];
if (getcwd(buf, MAXPATHLEN) == NULL) {
return NULL;
}
Common::String curPath(buf);
if (curPath.hasPrefix(_root + Common::String("/"))) {
return new ChRootFilesystemNode(_root, buf + _root.size());
}
for (auto it = _virtualDrives.begin() ; it != _virtualDrives.end() ; ++it) {
if (curPath.hasPrefix(it->_value + Common::String("/")))
return new ChRootFilesystemNode(it->_value, buf + it->_value.size(), it->_key);
}
return new ChRootFilesystemNode(_root, "/");
}
AbstractFSNode *ChRootFilesystemFactory::makeFileNodePath(const Common::String &path) const {
assert(!path.empty());
size_t driveEnd = path.findFirstOf('/');
if (driveEnd != Common::String::npos && driveEnd > 0) {
auto it = _virtualDrives.find(path.substr(0, driveEnd));
if (it != _virtualDrives.end())
return new ChRootFilesystemNode(it->_value, path.substr(driveEnd), it->_key);
}
return new ChRootFilesystemNode(_root, path);
}
void ChRootFilesystemFactory::addVirtualDrive(const Common::String &name, const Common::String &path) {
_virtualDrives[name] = path;
}
Common::String ChRootFilesystemFactory::getSystemFullPath(const Common::String& path) const {
size_t driveEnd = path.findFirstOf('/');
if (driveEnd != Common::String::npos && driveEnd > 0) {
auto it = _virtualDrives.find(path.substr(0, driveEnd));
if (it != _virtualDrives.end())
return it->_value + path.substr(driveEnd);
}
return _root + path;
}
#endif
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