tests/org.eclipse.dltk.javascript.ui.tests/src/org/eclipse/dltk/javascript/ui/tests/autoedit/Document.java

/*******************************************************************************
 * Copyright (c) 2010 xored software, Inc.
 *
 * 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:
 *     xored software, Inc. - initial API and Implementation (Alex Panchenko)
 *******************************************************************************/
package org.eclipse.dltk.javascript.ui.tests.autoedit;

import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;

public class Document extends org.eclipse.jface.text.Document {

	public Document(String initialContent) {
		super(initialContent);
	}

	public int getEndOfLineOffset(int line) throws BadLocationException {
		return getEndOfLineOffset(this, line);
	}

	public static int getEndOfLineOffset(IDocument document, int line)
			throws BadLocationException {
		IRegion line1 = document.getLineInformation(line);
		return line1.getOffset() + line1.getLength();
	}

	public int indexOf(String substring) throws BadLocationException {
		for (int i = 0, numberOfLines = getNumberOfLines(); i < numberOfLines; ++i) {
			final IRegion region = getLineInformation(i);
			final String line = get(region.getOffset(), region.getLength());
			final int pos = line.indexOf(substring);
			if (pos >= 0) {
				return region.getOffset() + pos;
			}
		}
		return -1;
	}

}