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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 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