/*******************************************************************************
 * Copyright (c) 2000, 2008 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
 * Port to the D programming language:
 *     Frank Benoit <benoit@tionex.de>
 *******************************************************************************/
module dwtx.jface.text.TypedRegion;

import dwt.dwthelper.utils;


/**
 * Default implementation of {@link dwtx.jface.text.ITypedRegion}. A
 * <code>TypedRegion</code> is a value object.
 */
public class TypedRegion : Region , ITypedRegion {

    /** The region's type */
    private String fType;

    /**
     * Creates a typed region based on the given specification.
     *
     * @param offset the region's offset
     * @param length the region's length
     * @param type the region's type
     */
    public TypedRegion(int offset, int length, String type) {
        super(offset, length);
        fType= type;
    }

    /*
     * @see dwtx.jface.text.ITypedRegion#getType()
     */
    public String getType() {
        return fType;
    }

    /*
     * @see java.lang.Object#equals(java.lang.Object)
     */
    public bool equals(Object o) {
        if (o instanceof TypedRegion) {
            TypedRegion r= (TypedRegion) o;
            return super.equals(r) && ((fType is null && r.getType() is null) || fType.equals(r.getType()));
        }
        return false;
    }

     /*
     * @see java.lang.Object#hashCode()
     */
    public int hashCode() {
        int type= fType is null ? 0 : fType.hashCode();
        return super.hashCode() | type;
     }
}