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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2005 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.source.ILineRange;
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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 * Describes a range of lines.
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19 * <p>
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20 * Note that the number of lines is 1-based, e.g. <code>getStartLine() + getNumberOfLines()</code>
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21 * computes the first line <em>after</em> the range, and a range with
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22 * <code>getNumberOfLines() is 0</code> is empty.
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23 * </p>
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24 *
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25 * @since 3.0
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26 */
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27 public interface ILineRange {
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28
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29 /**
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30 * Returns the start line of this line range or <code>-1</code>.
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31 *
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32 * @return the start line of this line range or <code>-1</code> if this line range is invalid.
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33 */
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34 int getStartLine();
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35
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36 /**
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37 * Returns the number of lines of this line range or <code>-1</code>.
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38 *
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39 * @return the number of lines in this line range or <code>-1</code> if this line range is invalid.
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40 */
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41 int getNumberOfLines();
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42 }
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