/* 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.
 *
 * $URL$
 * $Id$
 */

#include "backends/fs/abstract-fs.h"
#include "backends/fs/stdiostream.h"

const char *AbstractFilesystemNode::lastPathComponent(const Common::String &str, const char sep) {
	if(str.empty())
		return "";

	const char *start = str.c_str();
	const char *cur = start + str.size() - 2;

	while (cur >= start && *cur != sep) {
		--cur;
	}

	return cur + 1;
}

Common::SeekableReadStream *AbstractFilesystemNode::openForReading() {
	// FIXME: Until openForReading is supported by all AbstractFilesystemNode
	// implementations, we provide this "generic" one, using Common::File.
	FILE *handle = fopen(getPath().c_str(), "rb");
	if (handle)
		return new StdioStream(handle);
	return 0;
}

Common::WriteStream *AbstractFilesystemNode::openForWriting() {
	// FIXME: Until openForWriting is supported by all AbstractFilesystemNode
	// implementations, we provide this "generic" one.
	FILE *handle = fopen(getPath().c_str(), "wb");
	if (handle)
		return new StdioStream(handle);
	return 0;
}