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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2007 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.jface.text.Region;
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14
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15 import dwt.dwthelper.utils;
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16
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17
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18 /**
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19 * The default implementation of the {@link dwtx.jface.text.IRegion} interface.
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20 */
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21 public class Region : IRegion {
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22
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23 /** The region offset */
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24 private int fOffset;
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25 /** The region length */
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26 private int fLength;
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27
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28 /**
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29 * Create a new region.
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30 *
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31 * @param offset the offset of the region
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32 * @param length the length of the region
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33 */
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34 public Region(int offset, int length) {
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35 fOffset= offset;
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36 fLength= length;
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37 }
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38
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39 /*
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40 * @see dwtx.jface.text.IRegion#getLength()
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41 */
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42 public int getLength() {
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43 return fLength;
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44 }
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45
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46 /*
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47 * @see dwtx.jface.text.IRegion#getOffset()
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48 */
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49 public int getOffset() {
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50 return fOffset;
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51 }
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52
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53 /*
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54 * @see java.lang.Object#equals(java.lang.Object)
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55 */
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56 public bool equals(Object o) {
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57 if (o instanceof IRegion) {
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58 IRegion r= (IRegion) o;
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59 return r.getOffset() is fOffset && r.getLength() is fLength;
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60 }
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61 return false;
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62 }
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63
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64 /*
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65 * @see java.lang.Object#hashCode()
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66 */
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67 public int hashCode() {
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68 return (fOffset << 24) | (fLength << 16);
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69 }
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70
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71 /*
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72 * @see java.lang.Object#toString()
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73 */
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74 public String toString() {
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75 return "[" + fOffset + '+' + fLength + ']'; //$NON-NLS-1$
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76 }
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77 }
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