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Diffstat (limited to 'backends/fs/chroot/chroot-fs.cpp')
-rw-r--r-- | backends/fs/chroot/chroot-fs.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/backends/fs/chroot/chroot-fs.cpp b/backends/fs/chroot/chroot-fs.cpp new file mode 100644 index 0000000000..7cdd800dac --- /dev/null +++ b/backends/fs/chroot/chroot-fs.cpp @@ -0,0 +1,111 @@ +/* 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 2 + * 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#if defined(POSIX) + +// Re-enable some forbidden symbols to avoid clashes with stat.h and unistd.h. +// Also with clock() in sys/time.h in some Mac OS X SDKs. +#define FORBIDDEN_SYMBOL_EXCEPTION_time_h +#define FORBIDDEN_SYMBOL_EXCEPTION_unistd_h +#define FORBIDDEN_SYMBOL_EXCEPTION_mkdir +#define FORBIDDEN_SYMBOL_EXCEPTION_getenv +#define FORBIDDEN_SYMBOL_EXCEPTION_exit //Needed for IRIX's unistd.h + +#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(root.stringByAppendingPathComponent(path)); +} + +ChRootFilesystemNode::~ChRootFilesystemNode() { + delete _realNode; +} + +bool ChRootFilesystemNode::exists() const { + return _realNode->exists(); +} + +Common::String ChRootFilesystemNode::getDisplayName() const { + return getName(); +} + +Common::String ChRootFilesystemNode::getName() const { + return _realNode->AbstractFSNode::getDisplayName(); +} + +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::WriteStream *ChRootFilesystemNode::createWriteStream() { + return _realNode->createWriteStream(); +} + +#endif |