/*******************************************************************************
 * Copyright (c) 2001, 2004 IBM Corporation and others.
 * 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:
 *     IBM Corporation - initial API and implementation
 *     Jens Lukowski/Innoopract - initial renaming/restructuring
 *     
 *******************************************************************************/
package org.eclipse.wst.sse.ui.internal.correction;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.eclipse.wst.sse.ui.internal.StructuredTextViewer;


public interface IQuickAssistProcessor {
	/**
	 * Returns true if the processor can assist at the given offset. This test
	 * should be an optimistic guess and be extremly cheap.
	 */
	boolean canAssist(StructuredTextViewer viewer, int offset);

	/**
	 * Collects proposals for assistant at the given offset.
	 */
	ICompletionProposal[] getProposals(StructuredTextViewer viewer, int offset) throws CoreException;
}