package com.ephox.example;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import com.ephox.editlive.ELJBean;
import com.ephox.editlive.SourceFilter;

/**
 * A very simple source filter for EditLive! that 
 * simply changes the format of the code output,
 * ensuring that list items appear on a single line by default.
 * @author Robert.Dawson
 *
 */
public class SimpleSourceFilter implements SourceFilter{
	public SimpleSourceFilter(ELJBean bean){
		if (bean !=null){
			bean.setFilter(this);
		}
	}

	public String filterIn(String source) {
		return source;
	}

	public String filterOut(String source) {
		Pattern pattern = Pattern.compile("<li>\\s*([^\n]*)\\s*</li>", Pattern.DOTALL+Pattern.CASE_INSENSITIVE);
		Matcher matcher = pattern.matcher(source);
		source = matcher.replaceAll("<li>$1</li>");
		return source;
	}

}