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A minimal engine using the Sweble Wikitext Parser to process articles in the context of a MediaWiki-like configuration.

There is a newer version: 3.1.9

/**
 * Copyright 2011 The Open Source Research Group,
 *                University of Erlangen-Nürnberg
 *
 * Licensed 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 org.sweble.wikitext.engine.ext;

import java.util.LinkedList;

import org.sweble.wikitext.engine.ExpansionFrame;
import org.sweble.wikitext.engine.ParserFunctionBase;
import org.sweble.wikitext.lazy.preprocessor.Template;

import de.fau.cs.osr.ptk.common.ast.AstNode;
import de.fau.cs.osr.ptk.common.ast.NodeList;
import de.fau.cs.osr.ptk.common.ast.Text;

public class ParserFunctionLc
        extends
            ParserFunctionBase
{
	private static final long serialVersionUID = 1L;
	
	public ParserFunctionLc()
	{
		super("lc");
	}
	
	@Override
	public AstNode invoke(Template template, ExpansionFrame preprocessorFrame, LinkedList args)
	{
		if (args.size() < 1)
			return new NodeList();
		
		AstNode arg0 = preprocessorFrame.expand(args.get(0));
		
		NodeList result = new NodeList();
		for (AstNode n : arg0)
		{
			if (n.isNodeType(AstNode.NT_TEXT))
			{
				result.add(new Text(((Text) n).getContent().toLowerCase()));
			}
			else
			{
				result.add(n);
			}
		}
		
		return result;
	}
}