SimpleLocator.java

/*******************************************************************************
 * Copyright (c) 2015 David Green.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     David Green - initial API and implementation
 *******************************************************************************/

package org.eclipse.mylyn.wikitext.commonmark.internal;

import static com.google.common.base.Preconditions.checkNotNull;

import org.eclipse.mylyn.wikitext.parser.Locator;

import com.google.common.base.Objects;

public class SimpleLocator implements Locator {

	private final int lineNumber;

	private final int lineDocumentOffset;

	private final int lineLength;

	private final int lineCharacterOffset;

	private final int lineSegmentEndOffset;

	public SimpleLocator(Line line) {
		this(line, 0, line.getText().length());
	}

	public SimpleLocator(Line line, int lineCharacterOffset, int lineSegmentEndOffset) {
		checkNotNull(line);
		lineNumber = line.getLineNumber() + 1;
		lineDocumentOffset = line.getOffset();
		lineLength = line.getText().length();
		this.lineCharacterOffset = lineCharacterOffset;
		this.lineSegmentEndOffset = lineSegmentEndOffset;
	}

	@Override
	public int getLineNumber() {
		return lineNumber;
	}

	@Override
	public int getLineDocumentOffset() {
		return lineDocumentOffset;
	}

	@Override
	public int getDocumentOffset() {
		return getLineDocumentOffset() + getLineCharacterOffset();
	}

	@Override
	public int getLineLength() {
		return lineLength;
	}

	@Override
	public int getLineCharacterOffset() {
		return lineCharacterOffset;
	}

	@Override
	public int getLineSegmentEndOffset() {
		return lineSegmentEndOffset;
	}

	@Override
	public String toString() {
		return Objects.toStringHelper(Locator.class)
				.add("lineNumber", lineNumber)
				.add("lineDocumentOffset", lineDocumentOffset)
				.add("lineLength", lineLength)
				.add("lineCharacterOffset", lineCharacterOffset)
				.add("lineSegmentEndOffset", lineSegmentEndOffset)
				.toString();
	}
}