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A strong typed high performance Java Template engine with .Net Razor like syntax

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/* 
 * Copyright (C) 2013 The Rythm Engine project
 * Gelin Luo 
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
*/
package com.greenlaw110.rythm.internal.parser.build_in;

import com.greenlaw110.rythm.internal.IContext;
import com.greenlaw110.rythm.internal.IParser;
import com.greenlaw110.rythm.internal.Keyword;
import com.greenlaw110.rythm.internal.dialect.Rythm;
import com.greenlaw110.rythm.internal.parser.CodeToken;
import com.greenlaw110.rythm.internal.parser.RemoveLeadingLineBreakAndSpacesParser;
import com.greenlaw110.rythm.utils.TextBuilder;
import com.stevesoft.pat.Regex;

/**
 * parse @__simple__: mark the current template is simple template
 */
@Deprecated
public class SimpleParser extends KeywordParserFactory {

    @Override
    public Keyword keyword() {
        return Keyword.SIMPLE;
    }

    public IParser create(IContext ctx) {
        return new RemoveLeadingLineBreakAndSpacesParser(ctx) {
            public TextBuilder go() {
                Regex r = reg(dialect());
                if (!r.search(remain())) {
                    raiseParseException("bad @__simple__ statement");
                }
                step(r.stringMatched().length());
                //ctx().getCodeBuilder().setSimpleTemplate(ctx().currentLine());
                return new CodeToken("", ctx());
            }
        };
    }

    @Override
    protected String patternStr() {
        return "^(%s%s(?@())?)\\s+";
    }

    public static void main(String[] args) {
        Regex r = new SimpleParser().reg(Rythm.INSTANCE);
        if (r.search("@__simple__() ad")) {
            p(r, 3);
        }
    }

}