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/*+
 *   Copyright 2012, 2013 rsiddharth <rsiddharth@ninthfloor.org>
 * 
 *   This file is part of Scruf.
 *
 *   Scruf 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/>.
 */


package scruf.parsers;

import java.util.regex.*;

public class Audio implements Parser {
	private Pattern pattern;
	private Matcher matcher;
	private StringBuffer sbuffer;
	private String replacement;
	public Audio() {
		pattern = Pattern.compile("\\{\\{audio\\:(.+?\\.(ogg|ogv))\\}\\}", 
								  Pattern.DOTALL);
		replacement = "<audio controls=\"controls\">"+ 
			"\n<source src=\"$1\" type=\"audio/ogg\">"+
			"\n<p>[ No support for HTML5 audio tag for Ogg audio."+ 
			"<a  href=\"$1\"> Download it</a>. ]</p>"+ 
			"</audio>";
		sbuffer = new StringBuffer();
	}
	public String parse(String fileContent) {
		matcher = pattern.matcher(fileContent);
		// clear the buffer
		sbuffer.delete(0,sbuffer.length());
		while(matcher.find()) {
			matcher.appendReplacement(sbuffer,replacement);
		}
		matcher.appendTail(sbuffer);
		
		return sbuffer.toString();
	}
}