org.sweble.wikitext.lazy.utils.ParserShouldNotBeHereException Maven / Gradle / Ivy

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A parser for MediaWiki's Wikitext.

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.lazy.utils;

import de.fau.cs.osr.ptk.common.ast.Location;
import de.fau.cs.osr.utils.StringUtils;

public class ParserShouldNotBeHereException
        extends
            RuntimeException
{
	private static final long serialVersionUID = 1L;
	
	private final Location location;
	
	private final String context;
	
	private final int pos;
	
	// =========================================================================
	
	public ParserShouldNotBeHereException(Location location, String context, int pos)
	{
		this.location = location;
		this.context = context;
		this.pos = pos;
	}
	
	public ParserShouldNotBeHereException(xtc.tree.Location location, String context, int pos)
	{
		this(new Location(location), context, pos);
	}
	
	// =========================================================================
	
	public Location getLocation()
	{
		return location;
	}
	
	public String getContext()
	{
		return context;
	}
	
	public int getPos()
	{
		return pos;
	}
	
	// =========================================================================
	
	@Override
	public String toString()
	{
		int p = pos;
		String before = "";
		if (context.length() < p)
			p = context.length();
		StringUtils.escJava(context.substring(0, p));
		
		String after = "";
		if (context.length() > p)
			after = StringUtils.escJava(context.substring(p));
		
		if (before.isEmpty() && after.isEmpty())
		{
			return String.format(
			        "ParserShouldNotBeHereException: %s: No context available",
			        location.toString());
		}
		else if (before.isEmpty())
		{
			return String.format(
			        "ParserShouldNotBeHereException: %s:  \"%s\"",
			        location.toString(),
			        after);
		}
		else if (after.isEmpty())
		{
			return String.format(
			        "ParserShouldNotBeHereException: %s: \"%s\" ",
			        location.toString(),
			        before);
		}
		else
		{
			return String.format(
			        "ParserShouldNotBeHereException: %s: \"%s\"  \"%s\"",
			        location.toString(),
			        before,
			        after);
		}
	}
}